3926 lines
234 KiB
HTML
3926 lines
234 KiB
HTML
<!DOCTYPE html>
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<html><head><meta charset="utf-8" content="text/html" http-equiv="Content-Type" /><meta content="Cellular automaton world builder." name="description" /><style type="text/css">/**
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* SyntaxHighlighter
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* http://alexgorbatchev.com/SyntaxHighlighter
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*
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* SyntaxHighlighter is donationware. If you are using it, please donate.
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* http://alexgorbatchev.com/SyntaxHighlighter/donate.html
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*
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* @version
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* 3.0.83 (July 02 2010)
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*
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* @copyright
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* Copyright (C) 2004-2010 Alex Gorbatchev.
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*
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* @license
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* Dual licensed under the MIT and GPL licenses.
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*/
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.syntaxhighlighter a,
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.syntaxhighlighter div,
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.syntaxhighlighter code,
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.syntaxhighlighter table,
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.syntaxhighlighter table td,
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.syntaxhighlighter table tr,
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.syntaxhighlighter table tbody,
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.syntaxhighlighter table thead,
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.syntaxhighlighter table caption,
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.syntaxhighlighter textarea {
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-moz-border-radius: 0 0 0 0 !important;
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-webkit-border-radius: 0 0 0 0 !important;
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background: none !important;
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border: 0 !important;
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bottom: auto !important;
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float: none !important;
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height: auto !important;
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left: auto !important;
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line-height: 1.1em !important;
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/* margin: 0 !important; */
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outline: 0 !important;
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overflow: visible !important;
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padding: 0 !important;
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position: static !important;
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right: auto !important;
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text-align: left !important;
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top: auto !important;
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vertical-align: baseline !important;
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width: auto !important;
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box-sizing: content-box !important;
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font-family: "Consolas", "Bitstream Vera Sans Mono", "Courier New", Courier, monospace !important;
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font-weight: normal !important;
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font-style: normal !important;
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min-height: inherit !important;
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min-height: auto !important;
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}
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.syntaxhighlighter {
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/* width: 100% !important; */
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margin: 1em 0 1em 0 !important;
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position: relative !important;
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overflow: auto !important;
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}
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.syntaxhighlighter.source {
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overflow: hidden !important;
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}
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.syntaxhighlighter .bold {
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font-weight: bold !important;
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}
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.syntaxhighlighter .italic {
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font-style: italic !important;
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}
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.syntaxhighlighter .line {
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white-space: pre !important;
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}
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.syntaxhighlighter table {
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/* width: 100% !important;*/
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}
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.syntaxhighlighter table caption {
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text-align: left !important;
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padding: .5em 0 0.5em 1em !important;
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}
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.syntaxhighlighter table td.code {
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width: 100% !important;
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}
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.syntaxhighlighter table td.code .container {
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position: relative !important;
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}
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.syntaxhighlighter table td.code .container textarea {
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box-sizing: border-box !important;
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position: absolute !important;
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left: 0 !important;
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top: 0 !important;
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width: 100% !important;
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height: 100% !important;
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border: none !important;
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background: white !important;
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padding-left: 1em !important;
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overflow: hidden !important;
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white-space: pre !important;
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}
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.syntaxhighlighter table td.gutter .line {
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text-align: right !important;
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padding: 0 0.5em 0 1em !important;
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}
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.syntaxhighlighter table td.code .line {
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padding: 0 1em !important;
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}
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.syntaxhighlighter.nogutter td.code .container textarea, .syntaxhighlighter.nogutter td.code .line {
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padding-left: 0em !important;
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}
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.syntaxhighlighter.show {
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display: block !important;
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}
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.syntaxhighlighter.collapsed table {
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display: none !important;
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}
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.syntaxhighlighter.collapsed .toolbar {
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display: none;
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/* padding: 0.1em 0.8em 0em 0.8em !important;
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font-size: 1em !important;
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position: static !important;
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width: auto !important;
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height: auto !important;*/
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}
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.syntaxhighlighter.collapsed .toolbar span {
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display: inline !important;
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margin-right: 1em !important;
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}
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.syntaxhighlighter.collapsed .toolbar span a {
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padding: 0 !important;
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display: none !important;
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}
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.syntaxhighlighter.collapsed .toolbar span a.expandSource {
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display: inline !important;
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}
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.syntaxhighlighter .toolbar {
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display: none;
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/* position: absolute !important;
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right: 1px !important;
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top: 1px !important;
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width: 11px !important;
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height: 11px !important;
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font-size: 10px !important;
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z-index: 10 !important;*/
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}
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.syntaxhighlighter .toolbar span.title {
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display: inline !important;
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}
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.syntaxhighlighter .toolbar a {
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display: block !important;
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text-align: center !important;
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text-decoration: none !important;
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padding-top: 1px !important;
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}
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.syntaxhighlighter .toolbar a.expandSource {
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display: none !important;
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}
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.syntaxhighlighter.ie {
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font-size: .9em !important;
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padding: 1px 0 1px 0 !important;
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}
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.syntaxhighlighter.ie .toolbar {
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line-height: 8px !important;
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}
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.syntaxhighlighter.ie .toolbar a {
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padding-top: 0px !important;
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}
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.syntaxhighlighter.printing .line.alt1 .content,
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.syntaxhighlighter.printing .line.alt2 .content,
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.syntaxhighlighter.printing .line.highlighted .number,
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.syntaxhighlighter.printing .line.highlighted.alt1 .content,
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.syntaxhighlighter.printing .line.highlighted.alt2 .content {
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background: none !important;
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}
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.syntaxhighlighter.printing .line .number {
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color: #bbbbbb !important;
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}
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.syntaxhighlighter.printing .line .content {
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color: black !important;
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}
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.syntaxhighlighter.printing .toolbar {
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display: none !important;
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}
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.syntaxhighlighter.printing a {
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text-decoration: none !important;
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}
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.syntaxhighlighter.printing .plain, .syntaxhighlighter.printing .plain a {
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color: black !important;
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}
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.syntaxhighlighter.printing .comments, .syntaxhighlighter.printing .comments a {
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color: #008200 !important;
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}
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.syntaxhighlighter.printing .string, .syntaxhighlighter.printing .string a {
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color: blue !important;
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}
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.syntaxhighlighter.printing .keyword {
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color: #006699 !important;
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font-weight: bold !important;
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}
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.syntaxhighlighter.printing .preprocessor {
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color: gray !important;
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}
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.syntaxhighlighter.printing .variable {
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color: #aa7700 !important;
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}
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.syntaxhighlighter.printing .value {
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color: #009900 !important;
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}
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.syntaxhighlighter.printing .functions {
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color: #ff1493 !important;
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}
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.syntaxhighlighter.printing .constants {
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color: #0066cc !important;
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}
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.syntaxhighlighter.printing .script {
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font-weight: bold !important;
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}
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.syntaxhighlighter.printing .color1, .syntaxhighlighter.printing .color1 a {
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color: gray !important;
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}
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.syntaxhighlighter.printing .color2, .syntaxhighlighter.printing .color2 a {
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color: #ff1493 !important;
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}
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.syntaxhighlighter.printing .color3, .syntaxhighlighter.printing .color3 a {
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color: red !important;
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}
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.syntaxhighlighter.printing .break, .syntaxhighlighter.printing .break a {
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color: black !important;
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}
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</style><style type="text/css">.syntaxhighlighter{overflow:hidden !important;}</style><style type="text/css">/**
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* http://alexgorbatchev.com/SyntaxHighlighter/donate.html
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*
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* @version
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* 3.0.83 (July 02 2010)
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*
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* @copyright
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* Copyright (C) 2004-2010 Alex Gorbatchev.
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*
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* @license
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* Dual licensed under the MIT and GPL licenses.
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*/
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.syntaxhighlighter {
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background-color: transparent !important;
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}
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.syntaxhighlighter .line.alt1 {
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background-color: transparent !important;
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}
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.syntaxhighlighter .line.alt2 {
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background-color: transparent !important;
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}
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.syntaxhighlighter .line.highlighted.alt1, .syntaxhighlighter .line.highlighted.alt2 {
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background-color: #c3defe !important;
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}
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.syntaxhighlighter .line.highlighted.number {
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color: white !important;
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}
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.syntaxhighlighter table caption {
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color: black !important;
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}
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.syntaxhighlighter .gutter {
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color: #787878 !important;
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}
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.syntaxhighlighter .gutter .line {
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border-right: 3px solid #d4d0c8 !important;
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}
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.syntaxhighlighter .gutter .line.highlighted {
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background-color: #d4d0c8 !important;
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color: white !important;
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}
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.syntaxhighlighter.printing .line .content {
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border: none !important;
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}
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.syntaxhighlighter.collapsed {
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overflow: visible !important;
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}
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.syntaxhighlighter.collapsed .toolbar {
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color: #3f5fbf !important;
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background: white !important;
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border: 1px solid #d4d0c8 !important;
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}
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.syntaxhighlighter.collapsed .toolbar a {
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color: #3f5fbf !important;
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}
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.syntaxhighlighter.collapsed .toolbar a:hover {
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color: #aa7700 !important;
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}
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.syntaxhighlighter .toolbar {
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color: #a0a0a0 !important;
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background: #d4d0c8 !important;
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border: none !important;
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}
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.syntaxhighlighter .toolbar a {
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color: #a0a0a0 !important;
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}
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.syntaxhighlighter .toolbar a:hover {
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color: red !important;
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}
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.syntaxhighlighter .plain, .syntaxhighlighter .plain a {
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color: black !important;
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}
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.syntaxhighlighter .comments, .syntaxhighlighter .comments a {
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color: #3f5fbf !important;
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}
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.syntaxhighlighter .string, .syntaxhighlighter .string a {
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color: #2a00ff !important;
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}
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.syntaxhighlighter .keyword {
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color: #7f0055 !important;
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}
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.syntaxhighlighter .preprocessor {
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color: #646464 !important;
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}
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.syntaxhighlighter .variable {
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color: #aa7700 !important;
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}
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.syntaxhighlighter .value {
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color: #009900 !important;
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}
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.syntaxhighlighter .functions {
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color: #ff1493 !important;
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}
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.syntaxhighlighter .constants {
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color: #0066cc !important;
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}
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.syntaxhighlighter .script {
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font-weight: bold !important;
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color: #7f0055 !important;
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background-color: none !important;
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}
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.syntaxhighlighter .color1, .syntaxhighlighter .color1 a {
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color: gray !important;
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}
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.syntaxhighlighter .color2, .syntaxhighlighter .color2 a {
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color: #ff1493 !important;
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}
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.syntaxhighlighter .color3, .syntaxhighlighter .color3 a {
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color: red !important;
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}
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.syntaxhighlighter .xml .keyword {
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color: #3f7f7f !important;
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font-weight: normal !important;
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}
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.syntaxhighlighter .xml .color1, .syntaxhighlighter .xml .color1 a {
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color: #7f007f !important;
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}
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.syntaxhighlighter .xml .string {
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font-style: italic !important;
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color: #2a00ff !important;
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}
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.clojure.syntaxhighlighter .invalid {
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background-color: #FAA !important;
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}
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.clojure.syntaxhighlighter .quoted {
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font-style: italic !important;
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}
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.syntaxhighlighter .clojure.variable,
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.syntaxhighlighter .clojure.symbol,
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.syntaxhighlighter .clojure.value
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{
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color: #006060 !important;
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}
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.syntaxhighlighter .clojure.string {
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color: #55B !important;
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}
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.syntaxhighlighter .clojure.functions {
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color: black !important;
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}
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.syntaxhighlighter .clojure.color1 {
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color: #666 !important;
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}
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.syntaxhighlighter .clojure.color3 {
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color: #900 !important;
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}
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.syntaxhighlighter .clojure.constants {
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color: #1A734D !important;
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}
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</style><style type="text/css">html{margin:0;padding:0;}h1{margin:0;padding:0;}h2{margin:0;padding:0;}h3{margin:0;padding:0;}h4{margin:0;padding:0;}a{color:#261A3B;}a:visited{color:#261A3B;}</style><style type="text/css">.header{margin-top:30px;}h1.project-name{font-size:34px;display:inline;}h2.project-version{font-size:18px;margin-top:0;display:inline;margin-left:10px;}.toc-link{font-size:12px;margin-left:10px;color:#252519;text-decoration:none;}.toc-link:hover{color:#5050A6;}.toc h1{font-size:34px;margin:0;}.docs-header{border-bottom:dotted #aaa 1px;padding-bottom:10px;margin-bottom:25px;}.toc h1{font-size:24px;}.toc{border-bottom:solid #bbb 1px;margin-bottom:40px;}.toc ul{margin-left:20px;padding-left:0px;padding-top:0;margin-top:0;}.toc li{list-style-type:none;padding-left:0;}.dependencies{}.dependencies table{font-size:16px;width:99.99%;border:none;margin-left:20px;}.dependencies td{padding-right:20px;;white-space:nowrap;}.dependencies .dotted{width:99%;}.dependencies .dotted hr{border-right:none;color:transparent;background-color:transparent;noshade:noshade;border-left:none;border-top:none;margin-bottom:-6px;height:0;border-bottom:dotted #bbb 1px;}.dependencies .dep-version{text-align:right;}.plugins ul{margin-left:20px;padding-left:0px;padding-top:0;margin-top:0;}.plugins li{list-style-type:none;padding-left:0;}.header p{margin-left:20px;}</style><style type="text/css">#floating-toc{position:fixed;top:10px;right:20px;height:20px;overflow:hidden;text-align:right;}#floating-toc li{list-style-type:none;margin:0;padding:0;}</style><style type="text/css">body{margin:0;padding:0;font-family:'Palatino Linotype', 'Book Antiqua', Palatino, FreeSerif, serif;;font-size:16px;color:#252519;background-color:#F5F5FF;}h1{font-size:20px;margin-top:0;}h2{font-size:18px;}h3{font-size:16px;}a.anchor{text-decoration:none;color:#252519;}a.anchor:hover{color:#5050A6;}table{border-spacing:0;border-bottom:solid #ddd 1px;;margin-bottom:10px;}code{display:inline;}p{margin-top:8px;}tr{margin:0px;padding:0px;}td.docs{width:410px;max-width:410px;vertical-align:top;margin:0px;padding-left:55px;padding-right:20px;border:none;background-color:#FFF;}td.docs pre{font-size:12px;overflow:hidden;}td.codes{vertical-align:top;font-size:10pt;overflow:hidden;background-color:#F5F5FF;width:55%;border-left:solid #E5E5EE 1px;padding-left:20px;border:none;margin:0px;}td.spacer{padding-bottom:40px;}pre code{display:block;padding:4px;}code{background-color:ghostWhite;border:solid #DEDEDE 1px;padding-left:3px;padding-right:3px;font-size:14px;}.syntaxhighlighter code{font-size:13px;}.footer{text-align:center;}</style><script type="text/javascript">/*! jQuery v1.7.1 jquery.com | jquery.org/license */
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v=p[x].regex?p[x]:{regex:p[x]},u=j(v.regex,"g"),w=[],t;for(t=0;t<s.length;t++){XRegExp.iterate(s[t],u,function(y){w.push(v.backref?(y[v.backref]||""):y[0])})}return((x===p.length-1)||!w.length)?w:r(w,x+1)}([q],0)};RegExp.prototype.apply=function(q,p){return this.exec(p[0])};RegExp.prototype.call=function(p,q){return this.exec(q)};RegExp.prototype.exec=function(t){var r=m.exec.apply(this,arguments),q,p;if(r){if(!a&&r.length>1&&l(r,"")>-1){p=RegExp(this.source,m.replace.call(d(this),"g",""));m.replace.call(t.slice(r.index),p,function(){for(var u=1;u<arguments.length-2;u++){if(arguments[u]===undefined){r[u]=undefined}}})}if(this._xregexp&&this._xregexp.captureNames){for(var s=1;s<r.length;s++){q=this._xregexp.captureNames[s-1];if(q){r[q]=r[s]}}}if(!e&&this.global&&!r[0].length&&(this.lastIndex>r.index)){this.lastIndex--}}return r};if(!e){RegExp.prototype.test=function(q){var p=m.exec.call(this,q);if(p&&this.global&&!p[0].length&&(this.lastIndex>p.index)){this.lastIndex--}return !!p}}String.prototype.match=function(q){if(!XRegExp.isRegExp(q)){q=RegExp(q)}if(q.global){var p=m.match.apply(this,arguments);q.lastIndex=0;return p}return q.exec(this)};String.prototype.replace=function(r,s){var t=XRegExp.isRegExp(r),q,p,u;if(t&&typeof s.valueOf()==="string"&&s.indexOf("${")===-1&&f){return m.replace.apply(this,arguments)}if(!t){r=r+""}else{if(r._xregexp){q=r._xregexp.captureNames}}if(typeof s==="function"){p=m.replace.call(this,r,function(){if(q){arguments[0]=new String(arguments[0]);for(var v=0;v<q.length;v++){if(q[v]){arguments[0][q[v]]=arguments[v+1]}}}if(t&&r.global){r.lastIndex=arguments[arguments.length-2]+arguments[0].length}return s.apply(null,arguments)})}else{u=this+"";p=m.replace.call(u,r,function(){var v=arguments;return m.replace.call(s,c,function(x,w,A){if(w){switch(w){case"$":return"$";case"&":return v[0];case"`":return v[v.length-1].slice(0,v[v.length-2]);case"'":return v[v.length-1].slice(v[v.length-2]+v[0].length);default:var y="";w=+w;if(!w){return x}while(w>v.length-3){y=String.prototype.slice.call(w,-1)+y;w=Math.floor(w/10)}return(w?v[w]||"":"$")+y}}else{var z=+A;if(z<=v.length-3){return v[z]}z=q?l(q,A):-1;return z>-1?v[z+1]:x}})})}if(t&&r.global){r.lastIndex=0}return p};String.prototype.split=function(u,p){if(!XRegExp.isRegExp(u)){return m.split.apply(this,arguments)}var w=this+"",r=[],v=0,t,q;if(p===undefined||+p<0){p=Infinity}else{p=Math.floor(+p);if(!p){return[]}}u=XRegExp.copyAsGlobal(u);while(t=u.exec(w)){if(u.lastIndex>v){r.push(w.slice(v,t.index));if(t.length>1&&t.index<w.length){Array.prototype.push.apply(r,t.slice(1))}q=t[0].length;v=u.lastIndex;if(r.length>=p){break}}if(u.lastIndex===t.index){u.lastIndex++}}if(v===w.length){if(!m.test.call(u,"")||q){r.push("")}}else{r.push(w.slice(v))}return r.length>p?r.slice(0,p):r};function j(r,q){if(!XRegExp.isRegExp(r)){throw TypeError("type RegExp expected")}var p=r._xregexp;r=XRegExp(r.source,d(r)+(q||""));if(p){r._xregexp={source:p.source,captureNames:p.captureNames?p.captureNames.slice(0):null}}return r}function d(p){return(p.global?"g":"")+(p.ignoreCase?"i":"")+(p.multiline?"m":"")+(p.extended?"x":"")+(p.sticky?"y":"")}function o(v,u,w,p){var r=k.length,y,s,x;g=true;try{while(r--){x=k[r];if((w&x.scope)&&(!x.trigger||x.trigger.call(p))){x.pattern.lastIndex=u;s=x.pattern.exec(v);if(s&&s.index===u){y={output:x.handler.call(p,s,w),match:s};break}}}}catch(q){throw q}finally{g=false}return y}function l(s,q,r){if(Array.prototype.indexOf){return s.indexOf(q,r)}for(var p=r||0;p<s.length;p++){if(s[p]===q){return p}}return -1}XRegExp.addToken(/\(\?#[^)]*\)/,function(p){return m.test.call(n,p.input.slice(p.index+p[0].length))?"":"(?:)"});XRegExp.addToken(/\((?!\?)/,function(){this.captureNames.push(null);return"("});XRegExp.addToken(/\(\?<([$\w]+)>/,function(p){this.captureNames.push(p[1]);this.hasNamedCapture=true;return"("});XRegExp.addToken(/\\k<([\w$]+)>/,function(q){var p=l(this.captureNames,q[1]);return p>-1?"\\"+(p+1)+(isNaN(q.input.charAt(q.index+q[0].length))?"":"(?:)"):q[0]});XRegExp.addToken(/\[\^?]/,function(p){return p[0]==="[]"?"\\b\\B":"[\\s\\S]"});XRegExp.addToken(/^\(\?([imsx]+)\)/,function(p){this.setFlag(p[1]);return""});XRegExp.addToken(/(?:\s+|#.*)+/,function(p){return m.test.call(n,p.input.slice(p.index+p[0].length))?"":"(?:)"},XRegExp.OUTSIDE_CLASS,function(){return this.hasFlag("x")});XRegExp.addToken(/\./,function(){return"[\\s\\S]"},XRegExp.OUTSIDE_CLASS,function(){return this.hasFlag("s")})})();
|
|
</script><script type="text/javascript">/**
|
|
* SyntaxHighlighter
|
|
* http://alexgorbatchev.com/SyntaxHighlighter
|
|
*
|
|
* SyntaxHighlighter is donationware. If you are using it, please donate.
|
|
* http://alexgorbatchev.com/SyntaxHighlighter/donate.html
|
|
*
|
|
* @version
|
|
* 3.0.83 (July 02 2010)
|
|
*
|
|
* @copyright
|
|
* Copyright (C) 2004-2010 Alex Gorbatchev.
|
|
*
|
|
* @license
|
|
* Dual licensed under the MIT and GPL licenses.
|
|
*/
|
|
//
|
|
// Begin anonymous function. This is used to contain local scope variables without polutting global scope.
|
|
//
|
|
var SyntaxHighlighter = function() {
|
|
|
|
// CommonJS
|
|
if (typeof(require) != 'undefined' && typeof(XRegExp) == 'undefined')
|
|
{
|
|
XRegExp = require('XRegExp').XRegExp;
|
|
}
|
|
|
|
// Shortcut object which will be assigned to the SyntaxHighlighter variable.
|
|
// This is a shorthand for local reference in order to avoid long namespace
|
|
// references to SyntaxHighlighter.whatever...
|
|
var sh = {
|
|
defaults : {
|
|
/** Additional CSS class names to be added to highlighter elements. */
|
|
'class-name' : '',
|
|
|
|
/** First line number. */
|
|
'first-line' : 1,
|
|
|
|
/**
|
|
* Pads line numbers. Possible values are:
|
|
*
|
|
* false - don't pad line numbers.
|
|
* true - automaticaly pad numbers with minimum required number of leading zeroes.
|
|
* [int] - length up to which pad line numbers.
|
|
*/
|
|
'pad-line-numbers' : false,
|
|
|
|
/** Lines to highlight. */
|
|
'highlight' : null,
|
|
|
|
/** Title to be displayed above the code block. */
|
|
'title' : null,
|
|
|
|
/** Enables or disables smart tabs. */
|
|
'smart-tabs' : true,
|
|
|
|
/** Gets or sets tab size. */
|
|
'tab-size' : 4,
|
|
|
|
/** Enables or disables gutter. */
|
|
'gutter' : true,
|
|
|
|
/** Enables or disables toolbar. */
|
|
'toolbar' : true,
|
|
|
|
/** Enables quick code copy and paste from double click. */
|
|
'quick-code' : true,
|
|
|
|
/** Forces code view to be collapsed. */
|
|
'collapse' : false,
|
|
|
|
/** Enables or disables automatic links. */
|
|
'auto-links' : true,
|
|
|
|
/** Gets or sets light mode. Equavalent to turning off gutter and toolbar. */
|
|
'light' : false,
|
|
|
|
'html-script' : false
|
|
},
|
|
|
|
config : {
|
|
space : ' ',
|
|
|
|
/** Enables use of <SCRIPT type="syntaxhighlighter" /> tags. */
|
|
useScriptTags : true,
|
|
|
|
/** Blogger mode flag. */
|
|
bloggerMode : false,
|
|
|
|
stripBrs : false,
|
|
|
|
/** Name of the tag that SyntaxHighlighter will automatically look for. */
|
|
tagName : 'pre',
|
|
|
|
strings : {
|
|
expandSource : 'expand source',
|
|
help : '?',
|
|
alert: 'SyntaxHighlighter\n\n',
|
|
noBrush : 'Can\'t find brush for: ',
|
|
brushNotHtmlScript : 'Brush wasn\'t configured for html-script option: ',
|
|
|
|
// this is populated by the build script
|
|
aboutDialog : '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>About SyntaxHighlighter</title></head><body style="font-family:Geneva,Arial,Helvetica,sans-serif;background-color:#fff;color:#000;font-size:1em;text-align:center;"><div style="text-align:center;margin-top:1.5em;"><div style="font-size:xx-large;">SyntaxHighlighter</div><div style="font-size:.75em;margin-bottom:3em;"><div>version 3.0.83 (July 02 2010)</div><div><a href="http://alexgorbatchev.com/SyntaxHighlighter" target="_blank" style="color:#005896">http://alexgorbatchev.com/SyntaxHighlighter</a></div><div>JavaScript code syntax highlighter.</div><div>Copyright 2004-2010 Alex Gorbatchev.</div></div><div>If you like this script, please <a href="https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=2930402" style="color:#005896">donate</a> to <br/>keep development active!</div></div></body></html>'
|
|
}
|
|
},
|
|
|
|
/** Internal 'global' variables. */
|
|
vars : {
|
|
discoveredBrushes : null,
|
|
highlighters : {}
|
|
},
|
|
|
|
/** This object is populated by user included external brush files. */
|
|
brushes : {},
|
|
|
|
/** Common regular expressions. */
|
|
regexLib : {
|
|
multiLineCComments : /\/\*[\s\S]*?\*\//gm,
|
|
singleLineCComments : /\/\/.*$/gm,
|
|
singleLinePerlComments : /#.*$/gm,
|
|
doubleQuotedString : /"([^\\"\n]|\\.)*"/g,
|
|
singleQuotedString : /'([^\\'\n]|\\.)*'/g,
|
|
multiLineDoubleQuotedString : new XRegExp('"([^\\\\"]|\\\\.)*"', 'gs'),
|
|
multiLineSingleQuotedString : new XRegExp("'([^\\\\']|\\\\.)*'", 'gs'),
|
|
xmlComments : /(<|<)!--[\s\S]*?--(>|>)/gm,
|
|
url : /\w+:\/\/[\w-.\/?%&=:@;]*/g,
|
|
|
|
/** <?= ?> tags. */
|
|
phpScriptTags : { left: /(<|<)\?=?/g, right: /\?(>|>)/g },
|
|
|
|
/** <%= %> tags. */
|
|
aspScriptTags : { left: /(<|<)%=?/g, right: /%(>|>)/g },
|
|
|
|
scriptScriptTags : { left: /(<|<)\s*script.*?(>|>)/gi, right: /(<|<)\/\s*script\s*(>|>)/gi }
|
|
},
|
|
|
|
toolbar: {
|
|
/**
|
|
* Generates HTML markup for the toolbar.
|
|
* @param {Highlighter} highlighter Highlighter instance.
|
|
* @return {String} Returns HTML markup.
|
|
*/
|
|
getHtml: function(highlighter)
|
|
{
|
|
var html = '<div class="toolbar">',
|
|
items = sh.toolbar.items,
|
|
list = items.list
|
|
;
|
|
|
|
function defaultGetHtml(highlighter, name)
|
|
{
|
|
return sh.toolbar.getButtonHtml(highlighter, name, sh.config.strings[name]);
|
|
};
|
|
|
|
for (var i = 0; i < list.length; i++)
|
|
html += (items[list[i]].getHtml || defaultGetHtml)(highlighter, list[i]);
|
|
|
|
html += '</div>';
|
|
|
|
return html;
|
|
},
|
|
|
|
/**
|
|
* Generates HTML markup for a regular button in the toolbar.
|
|
* @param {Highlighter} highlighter Highlighter instance.
|
|
* @param {String} commandName Command name that would be executed.
|
|
* @param {String} label Label text to display.
|
|
* @return {String} Returns HTML markup.
|
|
*/
|
|
getButtonHtml: function(highlighter, commandName, label)
|
|
{
|
|
return '<span><a href="#" class="toolbar_item'
|
|
+ ' command_' + commandName
|
|
+ ' ' + commandName
|
|
+ '">' + label + '</a></span>'
|
|
;
|
|
},
|
|
|
|
/**
|
|
* Event handler for a toolbar anchor.
|
|
*/
|
|
handler: function(e)
|
|
{
|
|
var target = e.target,
|
|
className = target.className || ''
|
|
;
|
|
|
|
function getValue(name)
|
|
{
|
|
var r = new RegExp(name + '_(\\w+)'),
|
|
match = r.exec(className)
|
|
;
|
|
|
|
return match ? match[1] : null;
|
|
};
|
|
|
|
var highlighter = getHighlighterById(findParentElement(target, '.syntaxhighlighter').id),
|
|
commandName = getValue('command')
|
|
;
|
|
|
|
// execute the toolbar command
|
|
if (highlighter && commandName)
|
|
sh.toolbar.items[commandName].execute(highlighter);
|
|
|
|
// disable default A click behaviour
|
|
e.preventDefault();
|
|
},
|
|
|
|
/** Collection of toolbar items. */
|
|
items : {
|
|
// Ordered lis of items in the toolbar. Can't expect `for (var n in items)` to be consistent.
|
|
list: ['expandSource', 'help'],
|
|
|
|
expandSource: {
|
|
getHtml: function(highlighter)
|
|
{
|
|
if (highlighter.getParam('collapse') != true)
|
|
return '';
|
|
|
|
var title = highlighter.getParam('title');
|
|
return sh.toolbar.getButtonHtml(highlighter, 'expandSource', title ? title : sh.config.strings.expandSource);
|
|
},
|
|
|
|
execute: function(highlighter)
|
|
{
|
|
var div = getHighlighterDivById(highlighter.id);
|
|
removeClass(div, 'collapsed');
|
|
}
|
|
},
|
|
|
|
/** Command to display the about dialog window. */
|
|
help: {
|
|
execute: function(highlighter)
|
|
{
|
|
var wnd = popup('', '_blank', 500, 250, 'scrollbars=0'),
|
|
doc = wnd.document
|
|
;
|
|
|
|
doc.write(sh.config.strings.aboutDialog);
|
|
doc.close();
|
|
wnd.focus();
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Finds all elements on the page which should be processes by SyntaxHighlighter.
|
|
*
|
|
* @param {Object} globalParams Optional parameters which override element's
|
|
* parameters. Only used if element is specified.
|
|
*
|
|
* @param {Object} element Optional element to highlight. If none is
|
|
* provided, all elements in the current document
|
|
* are returned which qualify.
|
|
*
|
|
* @return {Array} Returns list of <code>{ target: DOMElement, params: Object }</code> objects.
|
|
*/
|
|
findElements: function(globalParams, element)
|
|
{
|
|
var elements = element ? [element] : toArray(document.getElementsByTagName(sh.config.tagName)),
|
|
conf = sh.config,
|
|
result = []
|
|
;
|
|
|
|
// support for <SCRIPT TYPE="syntaxhighlighter" /> feature
|
|
if (conf.useScriptTags)
|
|
elements = elements.concat(getSyntaxHighlighterScriptTags());
|
|
|
|
if (elements.length === 0)
|
|
return result;
|
|
|
|
for (var i = 0; i < elements.length; i++)
|
|
{
|
|
var item = {
|
|
target: elements[i],
|
|
// local params take precedence over globals
|
|
params: merge(globalParams, parseParams(elements[i].className))
|
|
};
|
|
|
|
if (item.params['brush'] == null)
|
|
continue;
|
|
|
|
result.push(item);
|
|
}
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Shorthand to highlight all elements on the page that are marked as
|
|
* SyntaxHighlighter source code.
|
|
*
|
|
* @param {Object} globalParams Optional parameters which override element's
|
|
* parameters. Only used if element is specified.
|
|
*
|
|
* @param {Object} element Optional element to highlight. If none is
|
|
* provided, all elements in the current document
|
|
* are highlighted.
|
|
*/
|
|
highlight: function(globalParams, element)
|
|
{
|
|
var elements = this.findElements(globalParams, element),
|
|
propertyName = 'innerHTML',
|
|
highlighter = null,
|
|
conf = sh.config
|
|
;
|
|
|
|
if (elements.length === 0)
|
|
return;
|
|
|
|
for (var i = 0; i < elements.length; i++)
|
|
{
|
|
var element = elements[i],
|
|
target = element.target,
|
|
params = element.params,
|
|
brushName = params.brush,
|
|
code
|
|
;
|
|
|
|
if (brushName == null)
|
|
continue;
|
|
|
|
// Instantiate a brush
|
|
if (params['html-script'] == 'true' || sh.defaults['html-script'] == true)
|
|
{
|
|
highlighter = new sh.HtmlScript(brushName);
|
|
brushName = 'htmlscript';
|
|
}
|
|
else
|
|
{
|
|
var brush = findBrush(brushName);
|
|
|
|
if (brush)
|
|
highlighter = new brush();
|
|
else
|
|
continue;
|
|
}
|
|
|
|
code = target[propertyName];
|
|
|
|
// remove CDATA from <SCRIPT/> tags if it's present
|
|
if (conf.useScriptTags)
|
|
code = stripCData(code);
|
|
|
|
// Inject title if the attribute is present
|
|
if ((target.title || '') != '')
|
|
params.title = target.title;
|
|
|
|
params['brush'] = brushName;
|
|
highlighter.init(params);
|
|
element = highlighter.getDiv(code);
|
|
|
|
// carry over ID
|
|
if ((target.id || '') != '')
|
|
element.id = target.id;
|
|
|
|
target.parentNode.replaceChild(element, target);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Main entry point for the SyntaxHighlighter.
|
|
* @param {Object} params Optional params to apply to all highlighted elements.
|
|
*/
|
|
all: function(params)
|
|
{
|
|
attachEvent(
|
|
window,
|
|
'load',
|
|
function() { sh.highlight(params); }
|
|
);
|
|
}
|
|
}; // end of sh
|
|
|
|
sh['all'] = sh.all;
|
|
sh['highlight'] = sh.highlight;
|
|
|
|
/**
|
|
* Checks if target DOM elements has specified CSS class.
|
|
* @param {DOMElement} target Target DOM element to check.
|
|
* @param {String} className Name of the CSS class to check for.
|
|
* @return {Boolean} Returns true if class name is present, false otherwise.
|
|
*/
|
|
function hasClass(target, className)
|
|
{
|
|
return target.className.indexOf(className) != -1;
|
|
};
|
|
|
|
/**
|
|
* Adds CSS class name to the target DOM element.
|
|
* @param {DOMElement} target Target DOM element.
|
|
* @param {String} className New CSS class to add.
|
|
*/
|
|
function addClass(target, className)
|
|
{
|
|
if (!hasClass(target, className))
|
|
target.className += ' ' + className;
|
|
};
|
|
|
|
/**
|
|
* Removes CSS class name from the target DOM element.
|
|
* @param {DOMElement} target Target DOM element.
|
|
* @param {String} className CSS class to remove.
|
|
*/
|
|
function removeClass(target, className)
|
|
{
|
|
target.className = target.className.replace(className, '');
|
|
};
|
|
|
|
/**
|
|
* Converts the source to array object. Mostly used for function arguments and
|
|
* lists returned by getElementsByTagName() which aren't Array objects.
|
|
* @param {List} source Source list.
|
|
* @return {Array} Returns array.
|
|
*/
|
|
function toArray(source)
|
|
{
|
|
var result = [];
|
|
|
|
for (var i = 0; i < source.length; i++)
|
|
result.push(source[i]);
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Splits block of text into lines.
|
|
* @param {String} block Block of text.
|
|
* @return {Array} Returns array of lines.
|
|
*/
|
|
function splitLines(block)
|
|
{
|
|
return block.split('\n');
|
|
}
|
|
|
|
/**
|
|
* Generates HTML ID for the highlighter.
|
|
* @param {String} highlighterId Highlighter ID.
|
|
* @return {String} Returns HTML ID.
|
|
*/
|
|
function getHighlighterId(id)
|
|
{
|
|
var prefix = 'highlighter_';
|
|
return id.indexOf(prefix) == 0 ? id : prefix + id;
|
|
};
|
|
|
|
/**
|
|
* Finds Highlighter instance by ID.
|
|
* @param {String} highlighterId Highlighter ID.
|
|
* @return {Highlighter} Returns instance of the highlighter.
|
|
*/
|
|
function getHighlighterById(id)
|
|
{
|
|
return sh.vars.highlighters[getHighlighterId(id)];
|
|
};
|
|
|
|
/**
|
|
* Finds highlighter's DIV container.
|
|
* @param {String} highlighterId Highlighter ID.
|
|
* @return {Element} Returns highlighter's DIV element.
|
|
*/
|
|
function getHighlighterDivById(id)
|
|
{
|
|
return document.getElementById(getHighlighterId(id));
|
|
};
|
|
|
|
/**
|
|
* Stores highlighter so that getHighlighterById() can do its thing. Each
|
|
* highlighter must call this method to preserve itself.
|
|
* @param {Highilghter} highlighter Highlighter instance.
|
|
*/
|
|
function storeHighlighter(highlighter)
|
|
{
|
|
sh.vars.highlighters[getHighlighterId(highlighter.id)] = highlighter;
|
|
};
|
|
|
|
/**
|
|
* Looks for a child or parent node which has specified classname.
|
|
* Equivalent to jQuery's $(container).find(".className")
|
|
* @param {Element} target Target element.
|
|
* @param {String} search Class name or node name to look for.
|
|
* @param {Boolean} reverse If set to true, will go up the node tree instead of down.
|
|
* @return {Element} Returns found child or parent element on null.
|
|
*/
|
|
function findElement(target, search, reverse /* optional */)
|
|
{
|
|
if (target == null)
|
|
return null;
|
|
|
|
var nodes = reverse != true ? target.childNodes : [ target.parentNode ],
|
|
propertyToFind = { '#' : 'id', '.' : 'className' }[search.substr(0, 1)] || 'nodeName',
|
|
expectedValue,
|
|
found
|
|
;
|
|
|
|
expectedValue = propertyToFind != 'nodeName'
|
|
? search.substr(1)
|
|
: search.toUpperCase()
|
|
;
|
|
|
|
// main return of the found node
|
|
if ((target[propertyToFind] || '').indexOf(expectedValue) != -1)
|
|
return target;
|
|
|
|
for (var i = 0; nodes && i < nodes.length && found == null; i++)
|
|
found = findElement(nodes[i], search, reverse);
|
|
|
|
return found;
|
|
};
|
|
|
|
/**
|
|
* Looks for a parent node which has specified classname.
|
|
* This is an alias to <code>findElement(container, className, true)</code>.
|
|
* @param {Element} target Target element.
|
|
* @param {String} className Class name to look for.
|
|
* @return {Element} Returns found parent element on null.
|
|
*/
|
|
function findParentElement(target, className)
|
|
{
|
|
return findElement(target, className, true);
|
|
};
|
|
|
|
/**
|
|
* Finds an index of element in the array.
|
|
* @ignore
|
|
* @param {Object} searchElement
|
|
* @param {Number} fromIndex
|
|
* @return {Number} Returns index of element if found; -1 otherwise.
|
|
*/
|
|
function indexOf(array, searchElement, fromIndex)
|
|
{
|
|
fromIndex = Math.max(fromIndex || 0, 0);
|
|
|
|
for (var i = fromIndex; i < array.length; i++)
|
|
if(array[i] == searchElement)
|
|
return i;
|
|
|
|
return -1;
|
|
};
|
|
|
|
/**
|
|
* Generates a unique element ID.
|
|
*/
|
|
function guid(prefix)
|
|
{
|
|
return (prefix || '') + Math.round(Math.random() * 1000000).toString();
|
|
};
|
|
|
|
/**
|
|
* Merges two objects. Values from obj2 override values in obj1.
|
|
* Function is NOT recursive and works only for one dimensional objects.
|
|
* @param {Object} obj1 First object.
|
|
* @param {Object} obj2 Second object.
|
|
* @return {Object} Returns combination of both objects.
|
|
*/
|
|
function merge(obj1, obj2)
|
|
{
|
|
var result = {}, name;
|
|
|
|
for (name in obj1)
|
|
result[name] = obj1[name];
|
|
|
|
for (name in obj2)
|
|
result[name] = obj2[name];
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Attempts to convert string to boolean.
|
|
* @param {String} value Input string.
|
|
* @return {Boolean} Returns true if input was "true", false if input was "false" and value otherwise.
|
|
*/
|
|
function toBoolean(value)
|
|
{
|
|
var result = { "true" : true, "false" : false }[value];
|
|
return result == null ? value : result;
|
|
};
|
|
|
|
/**
|
|
* Opens up a centered popup window.
|
|
* @param {String} url URL to open in the window.
|
|
* @param {String} name Popup name.
|
|
* @param {int} width Popup width.
|
|
* @param {int} height Popup height.
|
|
* @param {String} options window.open() options.
|
|
* @return {Window} Returns window instance.
|
|
*/
|
|
function popup(url, name, width, height, options)
|
|
{
|
|
var x = (screen.width - width) / 2,
|
|
y = (screen.height - height) / 2
|
|
;
|
|
|
|
options += ', left=' + x +
|
|
', top=' + y +
|
|
', width=' + width +
|
|
', height=' + height
|
|
;
|
|
options = options.replace(/^,/, '');
|
|
|
|
var win = window.open(url, name, options);
|
|
win.focus();
|
|
return win;
|
|
};
|
|
|
|
/**
|
|
* Adds event handler to the target object.
|
|
* @param {Object} obj Target object.
|
|
* @param {String} type Name of the event.
|
|
* @param {Function} func Handling function.
|
|
*/
|
|
function attachEvent(obj, type, func, scope)
|
|
{
|
|
function handler(e)
|
|
{
|
|
e = e || window.event;
|
|
|
|
if (!e.target)
|
|
{
|
|
e.target = e.srcElement;
|
|
e.preventDefault = function()
|
|
{
|
|
this.returnValue = false;
|
|
};
|
|
}
|
|
|
|
func.call(scope || window, e);
|
|
};
|
|
|
|
if (obj.attachEvent)
|
|
{
|
|
obj.attachEvent('on' + type, handler);
|
|
}
|
|
else
|
|
{
|
|
obj.addEventListener(type, handler, false);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Displays an alert.
|
|
* @param {String} str String to display.
|
|
*/
|
|
function alert(str)
|
|
{
|
|
window.alert(sh.config.strings.alert + str);
|
|
};
|
|
|
|
/**
|
|
* Finds a brush by its alias.
|
|
*
|
|
* @param {String} alias Brush alias.
|
|
* @param {Boolean} showAlert Suppresses the alert if false.
|
|
* @return {Brush} Returns bursh constructor if found, null otherwise.
|
|
*/
|
|
function findBrush(alias, showAlert)
|
|
{
|
|
var brushes = sh.vars.discoveredBrushes,
|
|
result = null
|
|
;
|
|
|
|
if (brushes == null)
|
|
{
|
|
brushes = {};
|
|
|
|
// Find all brushes
|
|
for (var brush in sh.brushes)
|
|
{
|
|
var info = sh.brushes[brush],
|
|
aliases = info.aliases
|
|
;
|
|
|
|
if (aliases == null)
|
|
continue;
|
|
|
|
// keep the brush name
|
|
info.brushName = brush.toLowerCase();
|
|
|
|
for (var i = 0; i < aliases.length; i++)
|
|
brushes[aliases[i]] = brush;
|
|
}
|
|
|
|
sh.vars.discoveredBrushes = brushes;
|
|
}
|
|
|
|
result = sh.brushes[brushes[alias]];
|
|
|
|
if (result == null && showAlert != false)
|
|
alert(sh.config.strings.noBrush + alias);
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Executes a callback on each line and replaces each line with result from the callback.
|
|
* @param {Object} str Input string.
|
|
* @param {Object} callback Callback function taking one string argument and returning a string.
|
|
*/
|
|
function eachLine(str, callback)
|
|
{
|
|
var lines = splitLines(str);
|
|
|
|
for (var i = 0; i < lines.length; i++)
|
|
lines[i] = callback(lines[i], i);
|
|
|
|
return lines.join('\n');
|
|
};
|
|
|
|
/**
|
|
* This is a special trim which only removes first and last empty lines
|
|
* and doesn't affect valid leading space on the first line.
|
|
*
|
|
* @param {String} str Input string
|
|
* @return {String} Returns string without empty first and last lines.
|
|
*/
|
|
function trimFirstAndLastLines(str)
|
|
{
|
|
return str.replace(/^[ ]*[\n]+|[\n]*[ ]*$/g, '');
|
|
};
|
|
|
|
/**
|
|
* Parses key/value pairs into hash object.
|
|
*
|
|
* Understands the following formats:
|
|
* - name: word;
|
|
* - name: [word, word];
|
|
* - name: "string";
|
|
* - name: 'string';
|
|
*
|
|
* For example:
|
|
* name1: value; name2: [value, value]; name3: 'value'
|
|
*
|
|
* @param {String} str Input string.
|
|
* @return {Object} Returns deserialized object.
|
|
*/
|
|
function parseParams(str)
|
|
{
|
|
var match,
|
|
result = {},
|
|
arrayRegex = new XRegExp("^\\[(?<values>(.*?))\\]$"),
|
|
regex = new XRegExp(
|
|
"(?<name>[\\w-]+)" +
|
|
"\\s*:\\s*" +
|
|
"(?<value>" +
|
|
"[\\w-%#]+|" + // word
|
|
"\\[.*?\\]|" + // [] array
|
|
'".*?"|' + // "" string
|
|
"'.*?'" + // '' string
|
|
")\\s*;?",
|
|
"g"
|
|
)
|
|
;
|
|
|
|
while ((match = regex.exec(str)) != null)
|
|
{
|
|
var value = match.value
|
|
.replace(/^['"]|['"]$/g, '') // strip quotes from end of strings
|
|
;
|
|
|
|
// try to parse array value
|
|
if (value != null && arrayRegex.test(value))
|
|
{
|
|
var m = arrayRegex.exec(value);
|
|
value = m.values.length > 0 ? m.values.split(/\s*,\s*/) : [];
|
|
}
|
|
|
|
result[match.name] = value;
|
|
}
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Wraps each line of the string into <code/> tag with given style applied to it.
|
|
*
|
|
* @param {String} str Input string.
|
|
* @param {String} css Style name to apply to the string.
|
|
* @return {String} Returns input string with each line surrounded by <span/> tag.
|
|
*/
|
|
function wrapLinesWithCode(str, css)
|
|
{
|
|
if (str == null || str.length == 0 || str == '\n')
|
|
return str;
|
|
|
|
str = str.replace(/</g, '<');
|
|
|
|
// Replace two or more sequential spaces with leaving last space untouched.
|
|
str = str.replace(/ {2,}/g, function(m)
|
|
{
|
|
var spaces = '';
|
|
|
|
for (var i = 0; i < m.length - 1; i++)
|
|
spaces += sh.config.space;
|
|
|
|
return spaces + ' ';
|
|
});
|
|
|
|
// Split each line and apply <span class="...">...</span> to them so that
|
|
// leading spaces aren't included.
|
|
if (css != null)
|
|
str = eachLine(str, function(line)
|
|
{
|
|
if (line.length == 0)
|
|
return '';
|
|
|
|
var spaces = '';
|
|
|
|
line = line.replace(/^( | )+/, function(s)
|
|
{
|
|
spaces = s;
|
|
return '';
|
|
});
|
|
|
|
if (line.length == 0)
|
|
return spaces;
|
|
|
|
return spaces + '<code class="' + css + '">' + line + '</code>';
|
|
});
|
|
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Pads number with zeros until it's length is the same as given length.
|
|
*
|
|
* @param {Number} number Number to pad.
|
|
* @param {Number} length Max string length with.
|
|
* @return {String} Returns a string padded with proper amount of '0'.
|
|
*/
|
|
function padNumber(number, length)
|
|
{
|
|
var result = number.toString();
|
|
|
|
while (result.length < length)
|
|
result = '0' + result;
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Replaces tabs with spaces.
|
|
*
|
|
* @param {String} code Source code.
|
|
* @param {Number} tabSize Size of the tab.
|
|
* @return {String} Returns code with all tabs replaces by spaces.
|
|
*/
|
|
function processTabs(code, tabSize)
|
|
{
|
|
var tab = '';
|
|
|
|
for (var i = 0; i < tabSize; i++)
|
|
tab += ' ';
|
|
|
|
return code.replace(/\t/g, tab);
|
|
};
|
|
|
|
/**
|
|
* Replaces tabs with smart spaces.
|
|
*
|
|
* @param {String} code Code to fix the tabs in.
|
|
* @param {Number} tabSize Number of spaces in a column.
|
|
* @return {String} Returns code with all tabs replaces with roper amount of spaces.
|
|
*/
|
|
function processSmartTabs(code, tabSize)
|
|
{
|
|
var lines = splitLines(code),
|
|
tab = '\t',
|
|
spaces = ''
|
|
;
|
|
|
|
// Create a string with 1000 spaces to copy spaces from...
|
|
// It's assumed that there would be no indentation longer than that.
|
|
for (var i = 0; i < 50; i++)
|
|
spaces += ' '; // 20 spaces * 50
|
|
|
|
// This function inserts specified amount of spaces in the string
|
|
// where a tab is while removing that given tab.
|
|
function insertSpaces(line, pos, count)
|
|
{
|
|
return line.substr(0, pos)
|
|
+ spaces.substr(0, count)
|
|
+ line.substr(pos + 1, line.length) // pos + 1 will get rid of the tab
|
|
;
|
|
};
|
|
|
|
// Go through all the lines and do the 'smart tabs' magic.
|
|
code = eachLine(code, function(line)
|
|
{
|
|
if (line.indexOf(tab) == -1)
|
|
return line;
|
|
|
|
var pos = 0;
|
|
|
|
while ((pos = line.indexOf(tab)) != -1)
|
|
{
|
|
// This is pretty much all there is to the 'smart tabs' logic.
|
|
// Based on the position within the line and size of a tab,
|
|
// calculate the amount of spaces we need to insert.
|
|
var spaces = tabSize - pos % tabSize;
|
|
line = insertSpaces(line, pos, spaces);
|
|
}
|
|
|
|
return line;
|
|
});
|
|
|
|
return code;
|
|
};
|
|
|
|
/**
|
|
* Performs various string fixes based on configuration.
|
|
*/
|
|
function fixInputString(str)
|
|
{
|
|
var br = /<br\s*\/?>|<br\s*\/?>/gi;
|
|
|
|
if (sh.config.bloggerMode == true)
|
|
str = str.replace(br, '\n');
|
|
|
|
if (sh.config.stripBrs == true)
|
|
str = str.replace(br, '');
|
|
|
|
return str;
|
|
};
|
|
|
|
/**
|
|
* Removes all white space at the begining and end of a string.
|
|
*
|
|
* @param {String} str String to trim.
|
|
* @return {String} Returns string without leading and following white space characters.
|
|
*/
|
|
function trim(str)
|
|
{
|
|
return str.replace(/^\s+|\s+$/g, '');
|
|
};
|
|
|
|
/**
|
|
* Unindents a block of text by the lowest common indent amount.
|
|
* @param {String} str Text to unindent.
|
|
* @return {String} Returns unindented text block.
|
|
*/
|
|
function unindent(str)
|
|
{
|
|
var lines = splitLines(fixInputString(str)),
|
|
indents = new Array(),
|
|
regex = /^\s*/,
|
|
min = 1000
|
|
;
|
|
|
|
// go through every line and check for common number of indents
|
|
for (var i = 0; i < lines.length && min > 0; i++)
|
|
{
|
|
var line = lines[i];
|
|
|
|
if (trim(line).length == 0)
|
|
continue;
|
|
|
|
var matches = regex.exec(line);
|
|
|
|
// In the event that just one line doesn't have leading white space
|
|
// we can't unindent anything, so bail completely.
|
|
if (matches == null)
|
|
return str;
|
|
|
|
min = Math.min(matches[0].length, min);
|
|
}
|
|
|
|
// trim minimum common number of white space from the begining of every line
|
|
if (min > 0)
|
|
for (var i = 0; i < lines.length; i++)
|
|
lines[i] = lines[i].substr(min);
|
|
|
|
return lines.join('\n');
|
|
};
|
|
|
|
/**
|
|
* Callback method for Array.sort() which sorts matches by
|
|
* index position and then by length.
|
|
*
|
|
* @param {Match} m1 Left object.
|
|
* @param {Match} m2 Right object.
|
|
* @return {Number} Returns -1, 0 or -1 as a comparison result.
|
|
*/
|
|
function matchesSortCallback(m1, m2)
|
|
{
|
|
// sort matches by index first
|
|
if(m1.index < m2.index)
|
|
return -1;
|
|
else if(m1.index > m2.index)
|
|
return 1;
|
|
else
|
|
{
|
|
// if index is the same, sort by length
|
|
if(m1.length < m2.length)
|
|
return -1;
|
|
else if(m1.length > m2.length)
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
};
|
|
|
|
/**
|
|
* Executes given regular expression on provided code and returns all
|
|
* matches that are found.
|
|
*
|
|
* @param {String} code Code to execute regular expression on.
|
|
* @param {Object} regex Regular expression item info from <code>regexList</code> collection.
|
|
* @return {Array} Returns a list of Match objects.
|
|
*/
|
|
function getMatches(code, regexInfo)
|
|
{
|
|
function defaultAdd(match, regexInfo)
|
|
{
|
|
return match[0];
|
|
};
|
|
|
|
var index = 0,
|
|
match = null,
|
|
matches = [],
|
|
func = regexInfo.func ? regexInfo.func : defaultAdd
|
|
;
|
|
|
|
while((match = regexInfo.regex.exec(code)) != null)
|
|
{
|
|
var resultMatch = func(match, regexInfo);
|
|
|
|
if (typeof(resultMatch) == 'string')
|
|
resultMatch = [new sh.Match(resultMatch, match.index, regexInfo.css)];
|
|
|
|
matches = matches.concat(resultMatch);
|
|
}
|
|
|
|
return matches;
|
|
};
|
|
|
|
/**
|
|
* Turns all URLs in the code into <a/> tags.
|
|
* @param {String} code Input code.
|
|
* @return {String} Returns code with </a> tags.
|
|
*/
|
|
function processUrls(code)
|
|
{
|
|
var gt = /(.*)((>|<).*)/;
|
|
|
|
return code.replace(sh.regexLib.url, function(m)
|
|
{
|
|
var suffix = '',
|
|
match = null
|
|
;
|
|
|
|
// We include < and > in the URL for the common cases like <http://google.com>
|
|
// The problem is that they get transformed into <http://google.com>
|
|
// Where as > easily looks like part of the URL string.
|
|
|
|
if (match = gt.exec(m))
|
|
{
|
|
m = match[1];
|
|
suffix = match[2];
|
|
}
|
|
|
|
return '<a href="' + m + '">' + m + '</a>' + suffix;
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Finds all <SCRIPT TYPE="syntaxhighlighter" /> elementss.
|
|
* @return {Array} Returns array of all found SyntaxHighlighter tags.
|
|
*/
|
|
function getSyntaxHighlighterScriptTags()
|
|
{
|
|
var tags = document.getElementsByTagName('script'),
|
|
result = []
|
|
;
|
|
|
|
for (var i = 0; i < tags.length; i++)
|
|
if (tags[i].type == 'syntaxhighlighter')
|
|
result.push(tags[i]);
|
|
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Strips <![CDATA[]]> from <SCRIPT /> content because it should be used
|
|
* there in most cases for XHTML compliance.
|
|
* @param {String} original Input code.
|
|
* @return {String} Returns code without leading <![CDATA[]]> tags.
|
|
*/
|
|
function stripCData(original)
|
|
{
|
|
var left = '<![CDATA[',
|
|
right = ']]>',
|
|
// for some reason IE inserts some leading blanks here
|
|
copy = trim(original),
|
|
changed = false,
|
|
leftLength = left.length,
|
|
rightLength = right.length
|
|
;
|
|
|
|
if (copy.indexOf(left) == 0)
|
|
{
|
|
copy = copy.substring(leftLength);
|
|
changed = true;
|
|
}
|
|
|
|
var copyLength = copy.length;
|
|
|
|
if (copy.indexOf(right) == copyLength - rightLength)
|
|
{
|
|
copy = copy.substring(0, copyLength - rightLength);
|
|
changed = true;
|
|
}
|
|
|
|
return changed ? copy : original;
|
|
};
|
|
|
|
|
|
/**
|
|
* Quick code mouse double click handler.
|
|
*/
|
|
function quickCodeHandler(e)
|
|
{
|
|
var target = e.target,
|
|
highlighterDiv = findParentElement(target, '.syntaxhighlighter'),
|
|
container = findParentElement(target, '.container'),
|
|
textarea = document.createElement('textarea'),
|
|
highlighter
|
|
;
|
|
|
|
if (!container || !highlighterDiv || findElement(container, 'textarea'))
|
|
return;
|
|
|
|
highlighter = getHighlighterById(highlighterDiv.id);
|
|
|
|
// add source class name
|
|
addClass(highlighterDiv, 'source');
|
|
|
|
// Have to go over each line and grab it's text, can't just do it on the
|
|
// container because Firefox loses all \n where as Webkit doesn't.
|
|
var lines = container.childNodes,
|
|
code = []
|
|
;
|
|
|
|
for (var i = 0; i < lines.length; i++)
|
|
code.push(lines[i].innerText || lines[i].textContent);
|
|
|
|
// using \r instead of \r or \r\n makes this work equally well on IE, FF and Webkit
|
|
code = code.join('\r');
|
|
|
|
// inject <textarea/> tag
|
|
textarea.appendChild(document.createTextNode(code));
|
|
container.appendChild(textarea);
|
|
|
|
// preselect all text
|
|
textarea.focus();
|
|
textarea.select();
|
|
|
|
// set up handler for lost focus
|
|
attachEvent(textarea, 'blur', function(e)
|
|
{
|
|
textarea.parentNode.removeChild(textarea);
|
|
removeClass(highlighterDiv, 'source');
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Match object.
|
|
*/
|
|
sh.Match = function(value, index, css)
|
|
{
|
|
this.value = value;
|
|
this.index = index;
|
|
this.length = value.length;
|
|
this.css = css;
|
|
this.brushName = null;
|
|
};
|
|
|
|
sh.Match.prototype.toString = function()
|
|
{
|
|
return this.value;
|
|
};
|
|
|
|
/**
|
|
* Simulates HTML code with a scripting language embedded.
|
|
*
|
|
* @param {String} scriptBrushName Brush name of the scripting language.
|
|
*/
|
|
sh.HtmlScript = function(scriptBrushName)
|
|
{
|
|
var brushClass = findBrush(scriptBrushName),
|
|
scriptBrush,
|
|
xmlBrush = new sh.brushes.Xml(),
|
|
bracketsRegex = null,
|
|
ref = this,
|
|
methodsToExpose = 'getDiv getHtml init'.split(' ')
|
|
;
|
|
|
|
if (brushClass == null)
|
|
return;
|
|
|
|
scriptBrush = new brushClass();
|
|
|
|
for(var i = 0; i < methodsToExpose.length; i++)
|
|
// make a closure so we don't lose the name after i changes
|
|
(function() {
|
|
var name = methodsToExpose[i];
|
|
|
|
ref[name] = function()
|
|
{
|
|
return xmlBrush[name].apply(xmlBrush, arguments);
|
|
};
|
|
})();
|
|
|
|
if (scriptBrush.htmlScript == null)
|
|
{
|
|
alert(sh.config.strings.brushNotHtmlScript + scriptBrushName);
|
|
return;
|
|
}
|
|
|
|
xmlBrush.regexList.push(
|
|
{ regex: scriptBrush.htmlScript.code, func: process }
|
|
);
|
|
|
|
function offsetMatches(matches, offset)
|
|
{
|
|
for (var j = 0; j < matches.length; j++)
|
|
matches[j].index += offset;
|
|
}
|
|
|
|
function process(match, info)
|
|
{
|
|
var code = match.code,
|
|
matches = [],
|
|
regexList = scriptBrush.regexList,
|
|
offset = match.index + match.left.length,
|
|
htmlScript = scriptBrush.htmlScript,
|
|
result
|
|
;
|
|
|
|
// add all matches from the code
|
|
for (var i = 0; i < regexList.length; i++)
|
|
{
|
|
result = getMatches(code, regexList[i]);
|
|
offsetMatches(result, offset);
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
// add left script bracket
|
|
if (htmlScript.left != null && match.left != null)
|
|
{
|
|
result = getMatches(match.left, htmlScript.left);
|
|
offsetMatches(result, match.index);
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
// add right script bracket
|
|
if (htmlScript.right != null && match.right != null)
|
|
{
|
|
result = getMatches(match.right, htmlScript.right);
|
|
offsetMatches(result, match.index + match[0].lastIndexOf(match.right));
|
|
matches = matches.concat(result);
|
|
}
|
|
|
|
for (var j = 0; j < matches.length; j++)
|
|
matches[j].brushName = brushClass.brushName;
|
|
|
|
return matches;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Main Highlither class.
|
|
* @constructor
|
|
*/
|
|
sh.Highlighter = function()
|
|
{
|
|
// not putting any code in here because of the prototype inheritance
|
|
};
|
|
|
|
sh.Highlighter.prototype = {
|
|
/**
|
|
* Returns value of the parameter passed to the highlighter.
|
|
* @param {String} name Name of the parameter.
|
|
* @param {Object} defaultValue Default value.
|
|
* @return {Object} Returns found value or default value otherwise.
|
|
*/
|
|
getParam: function(name, defaultValue)
|
|
{
|
|
var result = this.params[name];
|
|
return toBoolean(result == null ? defaultValue : result);
|
|
},
|
|
|
|
/**
|
|
* Shortcut to document.createElement().
|
|
* @param {String} name Name of the element to create (DIV, A, etc).
|
|
* @return {HTMLElement} Returns new HTML element.
|
|
*/
|
|
create: function(name)
|
|
{
|
|
return document.createElement(name);
|
|
},
|
|
|
|
/**
|
|
* Applies all regular expression to the code and stores all found
|
|
* matches in the `this.matches` array.
|
|
* @param {Array} regexList List of regular expressions.
|
|
* @param {String} code Source code.
|
|
* @return {Array} Returns list of matches.
|
|
*/
|
|
findMatches: function(regexList, code)
|
|
{
|
|
var result = [];
|
|
|
|
if (regexList != null)
|
|
for (var i = 0; i < regexList.length; i++)
|
|
// BUG: length returns len+1 for array if methods added to prototype chain (oising@gmail.com)
|
|
if (typeof (regexList[i]) == "object")
|
|
result = result.concat(getMatches(code, regexList[i]));
|
|
|
|
// sort and remove nested the matches
|
|
return this.removeNestedMatches(result.sort(matchesSortCallback));
|
|
},
|
|
|
|
/**
|
|
* Checks to see if any of the matches are inside of other matches.
|
|
* This process would get rid of highligted strings inside comments,
|
|
* keywords inside strings and so on.
|
|
*/
|
|
removeNestedMatches: function(matches)
|
|
{
|
|
// Optimized by Jose Prado (http://joseprado.com)
|
|
for (var i = 0; i < matches.length; i++)
|
|
{
|
|
if (matches[i] === null)
|
|
continue;
|
|
|
|
var itemI = matches[i],
|
|
itemIEndPos = itemI.index + itemI.length
|
|
;
|
|
|
|
for (var j = i + 1; j < matches.length && matches[i] !== null; j++)
|
|
{
|
|
var itemJ = matches[j];
|
|
|
|
if (itemJ === null)
|
|
continue;
|
|
else if (itemJ.index > itemIEndPos)
|
|
break;
|
|
else if (itemJ.index == itemI.index && itemJ.length > itemI.length)
|
|
matches[i] = null;
|
|
else if (itemJ.index >= itemI.index && itemJ.index < itemIEndPos)
|
|
matches[j] = null;
|
|
}
|
|
}
|
|
|
|
return matches;
|
|
},
|
|
|
|
/**
|
|
* Creates an array containing integer line numbers starting from the 'first-line' param.
|
|
* @return {Array} Returns array of integers.
|
|
*/
|
|
figureOutLineNumbers: function(code)
|
|
{
|
|
var lines = [],
|
|
firstLine = parseInt(this.getParam('first-line'))
|
|
;
|
|
|
|
eachLine(code, function(line, index)
|
|
{
|
|
lines.push(index + firstLine);
|
|
});
|
|
|
|
return lines;
|
|
},
|
|
|
|
/**
|
|
* Determines if specified line number is in the highlighted list.
|
|
*/
|
|
isLineHighlighted: function(lineNumber)
|
|
{
|
|
var list = this.getParam('highlight', []);
|
|
|
|
if (typeof(list) != 'object' && list.push == null)
|
|
list = [ list ];
|
|
|
|
return indexOf(list, lineNumber.toString()) != -1;
|
|
},
|
|
|
|
/**
|
|
* Generates HTML markup for a single line of code while determining alternating line style.
|
|
* @param {Integer} lineNumber Line number.
|
|
* @param {String} code Line HTML markup.
|
|
* @return {String} Returns HTML markup.
|
|
*/
|
|
getLineHtml: function(lineIndex, lineNumber, code)
|
|
{
|
|
var classes = [
|
|
'line',
|
|
'number' + lineNumber,
|
|
'index' + lineIndex,
|
|
'alt' + (lineNumber % 2 == 0 ? 1 : 2).toString()
|
|
];
|
|
|
|
if (this.isLineHighlighted(lineNumber))
|
|
classes.push('highlighted');
|
|
|
|
if (lineNumber == 0)
|
|
classes.push('break');
|
|
|
|
return '<div class="' + classes.join(' ') + '">' + code + '</div>';
|
|
},
|
|
|
|
/**
|
|
* Generates HTML markup for line number column.
|
|
* @param {String} code Complete code HTML markup.
|
|
* @param {Array} lineNumbers Calculated line numbers.
|
|
* @return {String} Returns HTML markup.
|
|
*/
|
|
getLineNumbersHtml: function(code, lineNumbers)
|
|
{
|
|
var html = '',
|
|
count = splitLines(code).length,
|
|
firstLine = parseInt(this.getParam('first-line')),
|
|
pad = this.getParam('pad-line-numbers')
|
|
;
|
|
|
|
if (pad == true)
|
|
pad = (firstLine + count - 1).toString().length;
|
|
else if (isNaN(pad) == true)
|
|
pad = 0;
|
|
|
|
for (var i = 0; i < count; i++)
|
|
{
|
|
var lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i,
|
|
code = lineNumber == 0 ? sh.config.space : padNumber(lineNumber, pad)
|
|
;
|
|
|
|
html += this.getLineHtml(i, lineNumber, code);
|
|
}
|
|
|
|
return html;
|
|
},
|
|
|
|
/**
|
|
* Splits block of text into individual DIV lines.
|
|
* @param {String} code Code to highlight.
|
|
* @param {Array} lineNumbers Calculated line numbers.
|
|
* @return {String} Returns highlighted code in HTML form.
|
|
*/
|
|
getCodeLinesHtml: function(html, lineNumbers)
|
|
{
|
|
html = trim(html);
|
|
|
|
var lines = splitLines(html),
|
|
padLength = this.getParam('pad-line-numbers'),
|
|
firstLine = parseInt(this.getParam('first-line')),
|
|
html = '',
|
|
brushName = this.getParam('brush')
|
|
;
|
|
|
|
for (var i = 0; i < lines.length; i++)
|
|
{
|
|
var line = lines[i],
|
|
indent = /^( |\s)+/.exec(line),
|
|
spaces = null,
|
|
lineNumber = lineNumbers ? lineNumbers[i] : firstLine + i;
|
|
;
|
|
|
|
if (indent != null)
|
|
{
|
|
spaces = indent[0].toString();
|
|
line = line.substr(spaces.length);
|
|
spaces = spaces.replace(' ', sh.config.space);
|
|
}
|
|
|
|
line = trim(line);
|
|
|
|
if (line.length == 0)
|
|
line = sh.config.space;
|
|
|
|
html += this.getLineHtml(
|
|
i,
|
|
lineNumber,
|
|
(spaces != null ? '<code class="' + brushName + ' spaces">' + spaces + '</code>' : '') + line
|
|
);
|
|
}
|
|
|
|
return html;
|
|
},
|
|
|
|
/**
|
|
* Returns HTML for the table title or empty string if title is null.
|
|
*/
|
|
getTitleHtml: function(title)
|
|
{
|
|
return title ? '<caption>' + title + '</caption>' : '';
|
|
},
|
|
|
|
/**
|
|
* Finds all matches in the source code.
|
|
* @param {String} code Source code to process matches in.
|
|
* @param {Array} matches Discovered regex matches.
|
|
* @return {String} Returns formatted HTML with processed mathes.
|
|
*/
|
|
getMatchesHtml: function(code, matches)
|
|
{
|
|
var pos = 0,
|
|
result = '',
|
|
brushName = this.getParam('brush', '')
|
|
;
|
|
|
|
function getBrushNameCss(match)
|
|
{
|
|
var result = match ? (match.brushName || brushName) : brushName;
|
|
return result ? result + ' ' : '';
|
|
};
|
|
|
|
// Finally, go through the final list of matches and pull the all
|
|
// together adding everything in between that isn't a match.
|
|
for (var i = 0; i < matches.length; i++)
|
|
{
|
|
var match = matches[i],
|
|
matchBrushName
|
|
;
|
|
|
|
if (match === null || match.length === 0)
|
|
continue;
|
|
|
|
matchBrushName = getBrushNameCss(match);
|
|
|
|
result += wrapLinesWithCode(code.substr(pos, match.index - pos), matchBrushName + 'plain')
|
|
+ wrapLinesWithCode(match.value, matchBrushName + match.css)
|
|
;
|
|
|
|
pos = match.index + match.length + (match.offset || 0);
|
|
}
|
|
|
|
// don't forget to add whatever's remaining in the string
|
|
result += wrapLinesWithCode(code.substr(pos), getBrushNameCss() + 'plain');
|
|
|
|
return result;
|
|
},
|
|
|
|
/**
|
|
* Generates HTML markup for the whole syntax highlighter.
|
|
* @param {String} code Source code.
|
|
* @return {String} Returns HTML markup.
|
|
*/
|
|
getHtml: function(code)
|
|
{
|
|
var html = '',
|
|
classes = [ 'syntaxhighlighter' ],
|
|
tabSize,
|
|
matches,
|
|
lineNumbers
|
|
;
|
|
|
|
// process light mode
|
|
if (this.getParam('light') == true)
|
|
this.params.toolbar = this.params.gutter = false;
|
|
|
|
className = 'syntaxhighlighter';
|
|
|
|
if (this.getParam('collapse') == true)
|
|
classes.push('collapsed');
|
|
|
|
if ((gutter = this.getParam('gutter')) == false)
|
|
classes.push('nogutter');
|
|
|
|
// add custom user style name
|
|
classes.push(this.getParam('class-name'));
|
|
|
|
// add brush alias to the class name for custom CSS
|
|
classes.push(this.getParam('brush'));
|
|
|
|
code = trimFirstAndLastLines(code)
|
|
.replace(/\r/g, ' ') // IE lets these buggers through
|
|
;
|
|
|
|
tabSize = this.getParam('tab-size');
|
|
|
|
// replace tabs with spaces
|
|
code = this.getParam('smart-tabs') == true
|
|
? processSmartTabs(code, tabSize)
|
|
: processTabs(code, tabSize)
|
|
;
|
|
|
|
// unindent code by the common indentation
|
|
code = unindent(code);
|
|
|
|
if (gutter)
|
|
lineNumbers = this.figureOutLineNumbers(code);
|
|
|
|
// find matches in the code using brushes regex list
|
|
matches = this.findMatches(this.regexList, code);
|
|
// processes found matches into the html
|
|
html = this.getMatchesHtml(code, matches);
|
|
// finally, split all lines so that they wrap well
|
|
html = this.getCodeLinesHtml(html, lineNumbers);
|
|
|
|
// finally, process the links
|
|
if (this.getParam('auto-links'))
|
|
html = processUrls(html);
|
|
|
|
if (typeof(navigator) != 'undefined' && navigator.userAgent && navigator.userAgent.match(/MSIE/))
|
|
classes.push('ie');
|
|
|
|
html =
|
|
'<div id="' + getHighlighterId(this.id) + '" class="' + classes.join(' ') + '">'
|
|
+ (this.getParam('toolbar') ? sh.toolbar.getHtml(this) : '')
|
|
+ '<table border="0" cellpadding="0" cellspacing="0">'
|
|
+ this.getTitleHtml(this.getParam('title'))
|
|
+ '<tbody>'
|
|
+ '<tr>'
|
|
+ (gutter ? '<td class="gutter">' + this.getLineNumbersHtml(code) + '</td>' : '')
|
|
+ '<td class="code">'
|
|
+ '<div class="container">'
|
|
+ html
|
|
+ '</div>'
|
|
+ '</td>'
|
|
+ '</tr>'
|
|
+ '</tbody>'
|
|
+ '</table>'
|
|
+ '</div>'
|
|
;
|
|
|
|
return html;
|
|
},
|
|
|
|
/**
|
|
* Highlights the code and returns complete HTML.
|
|
* @param {String} code Code to highlight.
|
|
* @return {Element} Returns container DIV element with all markup.
|
|
*/
|
|
getDiv: function(code)
|
|
{
|
|
if (code === null)
|
|
code = '';
|
|
|
|
this.code = code;
|
|
|
|
var div = this.create('div');
|
|
|
|
// create main HTML
|
|
div.innerHTML = this.getHtml(code);
|
|
|
|
// set up click handlers
|
|
if (this.getParam('toolbar'))
|
|
attachEvent(findElement(div, '.toolbar'), 'click', sh.toolbar.handler);
|
|
|
|
if (this.getParam('quick-code'))
|
|
attachEvent(findElement(div, '.code'), 'dblclick', quickCodeHandler);
|
|
|
|
return div;
|
|
},
|
|
|
|
/**
|
|
* Initializes the highlighter/brush.
|
|
*
|
|
* Constructor isn't used for initialization so that nothing executes during necessary
|
|
* `new SyntaxHighlighter.Highlighter()` call when setting up brush inheritence.
|
|
*
|
|
* @param {Hash} params Highlighter parameters.
|
|
*/
|
|
init: function(params)
|
|
{
|
|
this.id = guid();
|
|
|
|
// register this instance in the highlighters list
|
|
storeHighlighter(this);
|
|
|
|
// local params take precedence over defaults
|
|
this.params = merge(sh.defaults, params || {})
|
|
|
|
// process light mode
|
|
if (this.getParam('light') == true)
|
|
this.params.toolbar = this.params.gutter = false;
|
|
},
|
|
|
|
/**
|
|
* Converts space separated list of keywords into a regular expression string.
|
|
* @param {String} str Space separated keywords.
|
|
* @return {String} Returns regular expression string.
|
|
*/
|
|
getKeywords: function(str)
|
|
{
|
|
str = str
|
|
.replace(/^\s+|\s+$/g, '')
|
|
.replace(/\s+/g, '|')
|
|
;
|
|
|
|
return '\\b(?:' + str + ')\\b';
|
|
},
|
|
|
|
/**
|
|
* Makes a brush compatible with the `html-script` functionality.
|
|
* @param {Object} regexGroup Object containing `left` and `right` regular expressions.
|
|
*/
|
|
forHtmlScript: function(regexGroup)
|
|
{
|
|
this.htmlScript = {
|
|
left : { regex: regexGroup.left, css: 'script' },
|
|
right : { regex: regexGroup.right, css: 'script' },
|
|
code : new XRegExp(
|
|
"(?<left>" + regexGroup.left.source + ")" +
|
|
"(?<code>.*?)" +
|
|
"(?<right>" + regexGroup.right.source + ")",
|
|
"sgi"
|
|
)
|
|
};
|
|
}
|
|
}; // end of Highlighter
|
|
|
|
return sh;
|
|
}(); // end of anonymous function
|
|
|
|
// CommonJS
|
|
typeof(exports) != 'undefined' ? exports['SyntaxHighlighter'] = SyntaxHighlighter : null;
|
|
</script><script type="text/javascript">// (inc clojure-brush) ;; an improved SyntaxHighlighter brush for clojure
|
|
//
|
|
// Copyright (C) 2011 Andrew Brehaut
|
|
//
|
|
// Distributed under the Eclipse Public License, the same as Clojure.
|
|
//
|
|
// https://github.com/brehaut/inc-clojure-brush
|
|
//
|
|
// Written by Andrew Brehaut
|
|
// V0.9.1, November 2011
|
|
|
|
if (typeof net == "undefined") net = {};
|
|
if (!(net.brehaut)) net.brehaut = {};
|
|
|
|
net.brehaut.ClojureTools = (function (SH) {
|
|
"use strict";
|
|
// utiliies
|
|
if (!Object.create) Object.create = function object(o) {
|
|
function F() {};
|
|
F.prototype = o;
|
|
return new F();
|
|
};
|
|
|
|
// data
|
|
|
|
function Token(value, index, tag, length) {
|
|
this.value = value;
|
|
this.index = index;
|
|
this.length = length || value.length;
|
|
this.tag = tag;
|
|
this.secondary_tags = {};
|
|
}
|
|
|
|
// null_token exists so that LispNodes that have not had a closing tag attached
|
|
// can have a dummy token to simplify annotation
|
|
var null_token = new Token("", -1, "null", -1);
|
|
|
|
/* LispNodes are aggregate nodes for sexpressions.
|
|
*
|
|
*/
|
|
function LispNode(tag, children, opening) {
|
|
this.tag = tag; // current metadata for syntax inference
|
|
this.parent = null; // the parent expression
|
|
this.list = children; // all the child forms in order
|
|
this.opening = opening; // the token that opens this form.
|
|
this.closing = null_token; // the token that closes this form.
|
|
this.meta = null; // metadata nodes will be attached here if they are found
|
|
}
|
|
|
|
var null_lispnode = new LispNode("null", [], null_token);
|
|
|
|
|
|
function PrefixNode(tag, token, attached_node) {
|
|
this.tag = tag;
|
|
this.token = token;
|
|
this.attached_node = attached_node;
|
|
this.parent = null;
|
|
}
|
|
|
|
|
|
|
|
// tokenize
|
|
|
|
function tokenize(code) {
|
|
var tokens = [];
|
|
var tn = 0;
|
|
|
|
var zero = "0".charCodeAt(0);
|
|
var nine = "9".charCodeAt(0);
|
|
var lower_a = "a".charCodeAt(0);
|
|
var lower_f = "f".charCodeAt(0);
|
|
var upper_a = "A".charCodeAt(0);
|
|
var upper_f = "F".charCodeAt(0);
|
|
|
|
var dispatch = false; // have we just seen a # character?
|
|
|
|
// i tracks the start of the current window
|
|
// extent is the window for slicing
|
|
|
|
for (var i = 0,
|
|
extent = i,
|
|
j = code.length;
|
|
i < j && extent <= j;) {
|
|
|
|
var c = code[i];
|
|
|
|
// we care about capturing the whole token when dispatch is used, so back up the
|
|
// starting index by 1
|
|
if (dispatch) i--;
|
|
|
|
switch (c) {
|
|
// dispatch alters the value of the next thing read
|
|
case "#":
|
|
dispatch = true;
|
|
i++;
|
|
extent++;
|
|
continue;
|
|
|
|
case " ": // ignore whitespace
|
|
case "\t":
|
|
case "\n":
|
|
case "\r":
|
|
case ",":
|
|
extent++
|
|
break;
|
|
|
|
// simple terms
|
|
case "^":
|
|
case "`":
|
|
case ")":
|
|
case "[":
|
|
case "]":
|
|
case "}":
|
|
case "@":
|
|
tokens[tn++] = new Token(c, i, c, ++extent - i);
|
|
break;
|
|
|
|
case "'":
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, dispatch ? "#'" : "'", extent - i);
|
|
break
|
|
|
|
case "(":
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, "(", extent - i);
|
|
break;
|
|
|
|
case "{":
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, dispatch ? "#{" : "{", extent - i);
|
|
break;
|
|
|
|
case "\\":
|
|
if (code.slice(i + 1, i + 8) === "newline") {
|
|
tokens[tn++] = new Token("\\newline", i, "value", 8);
|
|
extent = i + 9;
|
|
}
|
|
else if (code.slice(i + 1, i + 6) === "space") {
|
|
tokens[tn++] = new Token("\\space", i, "value", 6);
|
|
extent = i + 6;
|
|
}
|
|
else if (code.slice(i + 1, i + 4) === "tab") {
|
|
tokens[tn++] = new Token("\\tab", i, "value", 4);
|
|
extent = i + 5;
|
|
} // work around fun bug with &,>,< in character literals
|
|
else if (code.slice(i + 1, i + 6) === "&") {
|
|
tokens[tn++] = new Token("\\&", i, "value", 6);
|
|
extent = i + 6;
|
|
}
|
|
else if (code.slice(i + 1, i + 5) === "<") {
|
|
tokens[tn++] = new Token("\\<", i, "value", 5);
|
|
extent = i + 5;
|
|
}
|
|
else if (code.slice(i + 1, i + 5) === ">") {
|
|
tokens[tn++] = new Token("\\>", i, "value", 5);
|
|
extent = i + 5;
|
|
}
|
|
|
|
else {
|
|
extent += 2;
|
|
tokens[tn++] = new Token(code.slice(i, extent), i, "value", 2);
|
|
}
|
|
break;
|
|
|
|
case "~": // slice
|
|
if (code[i + 1] === "@") {
|
|
extent += 2;
|
|
tokens[tn++] = new Token(code.slice(i, extent), i, "splice", 2);
|
|
}
|
|
else {
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, "unquote", 2);
|
|
}
|
|
break;
|
|
|
|
// complicated terms
|
|
case "\"": // strings and regexps
|
|
for (extent++; extent <= j; extent++) {
|
|
if (code[extent] === "\\") extent++;
|
|
else if (code[extent] === "\"") break;
|
|
}
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, dispatch ? "regexp" : "string", extent - i);
|
|
break;
|
|
|
|
case ";":
|
|
for (; extent <= j && code[extent] !== "\n" && code[extent] !== "\r"; extent++);
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, "comments", extent - i);
|
|
break;
|
|
|
|
case "+": // numbers; fall through to symbol for + and - not prefixing a number
|
|
case "-":
|
|
case "0":
|
|
case "1":
|
|
case "2":
|
|
case "3":
|
|
case "4":
|
|
case "5":
|
|
case "6":
|
|
case "7":
|
|
case "8":
|
|
case "9":
|
|
// todo: exponents, hex
|
|
// http://my.safaribooksonline.com/9781449310387/14?reader=pf&readerfullscreen=&readerleftmenu=1
|
|
var c2 = code.charCodeAt(i + 1);
|
|
if (((c === "+" || c === "-") && (c2 >= zero && c2 <= nine)) // prefixes
|
|
|| (c !== "+" && c !== "-")) {
|
|
if (c === "+" || c === "-") extent++;
|
|
for (; extent <= j; extent++) {
|
|
var charCode = code.charCodeAt(extent);
|
|
if (charCode < zero || charCode > nine) break;
|
|
}
|
|
|
|
c = code[extent];
|
|
c2 = code.charCodeAt(extent + 1);
|
|
if ((c === "r" || c === "R" || c === "/" || c === ".") // interstitial characters
|
|
&& (c2 >= zero && c2 <= nine)) {
|
|
for (extent++; extent <= j; extent++) {
|
|
var charCode = code.charCodeAt(extent);
|
|
if (charCode < zero || charCode > nine) break;
|
|
}
|
|
}
|
|
|
|
c = code[extent];
|
|
c2 = code.charCodeAt(extent + 1);
|
|
if ((c === "x" || c === "X") &&
|
|
((c2 >= zero && c2 <= nine)
|
|
|| (c2 >= lower_a && c2 <= lower_f)
|
|
|| (c2 >= upper_a && c2 <= upper_f))) {
|
|
for (extent++; extent <= j; extent++) {
|
|
var charCode = code.charCodeAt(extent);
|
|
if (((charCode >= zero && charCode <= nine)
|
|
|| (charCode >= lower_a && charCode <= lower_f)
|
|
|| (charCode >= upper_a && charCode <= upper_f))) continue;
|
|
break;
|
|
}
|
|
}
|
|
|
|
c = code[extent];
|
|
c2 = code.charCodeAt(extent + 1);
|
|
if ((c === "e" || c === "E")
|
|
&& (c2 >= zero && c2 <= nine)) {
|
|
for (extent++; extent <= j; extent++) {
|
|
var charCode = code.charCodeAt(extent);
|
|
if (charCode < zero || charCode > nine) break;
|
|
}
|
|
}
|
|
|
|
c = code[extent];
|
|
if (c === "N" || c === "M") extent++;
|
|
|
|
tokens[tn++] = new Token(code.slice(i, extent), i, "value", extent - i);
|
|
break;
|
|
}
|
|
|
|
case "_":
|
|
if (dispatch && c === "_") {
|
|
tokens[tn++] = new Token(code.slice(i, ++extent), i, "skip", extent - i);
|
|
break;
|
|
} // if not a skip, fall through to symbols
|
|
|
|
// Allow just about any other symbol as a symbol. This is far more permissive than
|
|
// clojure actually allows, but should catch any weirdo crap that accidentally gets
|
|
// into the code.
|
|
default:
|
|
for (extent++; extent <= j; extent++) {
|
|
switch (code[extent]) {
|
|
case " ":
|
|
case "\t":
|
|
case "\n":
|
|
case "\r":
|
|
case "\\":
|
|
case ",":
|
|
case "{":
|
|
case "}":
|
|
case "(":
|
|
case ")":
|
|
case "[":
|
|
case "]":
|
|
case "^":
|
|
case "`":
|
|
case "@":
|
|
break;
|
|
case ";":
|
|
// theres a weird bug via syntax highligher that gives us escaped entities.
|
|
// need to watch out for these
|
|
if (code.slice(extent-3, extent+1) === "<"
|
|
||code.slice(extent-3, extent+1) === ">"
|
|
||code.slice(extent-4, extent+1) === "&") {
|
|
continue;
|
|
}
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
var value = code.slice(i, extent);
|
|
var tag = "symbol";
|
|
if (value[0] == ":") {
|
|
tag = "keyword";
|
|
}
|
|
else if (value === "true" || value === "false" || value === "nil") {
|
|
tag = "value";
|
|
}
|
|
tokens[tn++] = new Token(value, i, tag, extent - i);
|
|
}
|
|
|
|
dispatch = false;
|
|
i = extent;
|
|
}
|
|
|
|
return tokens;
|
|
}
|
|
|
|
|
|
function build_tree(tokens) {
|
|
var toplevel = {
|
|
list: [],
|
|
tag: "toplevel",
|
|
parent: null,
|
|
opening: null,
|
|
closing: null,
|
|
depth: -1
|
|
};
|
|
|
|
// loop variables hoisted out as semi globals to track position in token stream
|
|
var i = -1;
|
|
var j = tokens.length;
|
|
|
|
function parse_one(t) {
|
|
// ignore special tokens and forms that dont belong in the tree
|
|
for (; t && (t.tag === "comments" || t.tag === "invalid" || t.tag == "skip") && i < j; ) {
|
|
if (t.tag === "skip") {
|
|
t.tag = "preprocessor";
|
|
annotate_comment(parse_one(tokens[++i]));
|
|
}
|
|
t = tokens[++i];
|
|
}
|
|
|
|
if (!t) return {}; // hackity hack
|
|
|
|
switch (t.tag) {
|
|
case "{":
|
|
return build_aggregate(new LispNode("map", [], t), "}");
|
|
case "(":
|
|
return build_aggregate(new LispNode("list", [], t), ")");
|
|
case "#{":
|
|
return build_aggregate(new LispNode("set", [], t), "}");
|
|
case "[":
|
|
return build_aggregate(new LispNode("vector", [], t), "]");
|
|
case "'":
|
|
return new PrefixNode("quote", t, parse_one(tokens[++i]));
|
|
case "#'":
|
|
return new PrefixNode("varquote", t, parse_one(tokens[++i]));
|
|
case "@":
|
|
return new PrefixNode("deref", t, parse_one(tokens[++i]));
|
|
case "`":
|
|
return new PrefixNode("quasiquote", t, parse_one(tokens[++i]));
|
|
case "unquote":
|
|
return new PrefixNode("unquote", t, parse_one(tokens[++i]));
|
|
case "splice":
|
|
return new PrefixNode("splice", t, parse_one(tokens[++i]));
|
|
case "^":
|
|
t.tag = "meta";
|
|
var meta = parse_one(tokens[++i]);
|
|
var next = parse_one(tokens[++i]);
|
|
next.meta = meta;
|
|
return next;
|
|
}
|
|
|
|
return t;
|
|
}
|
|
|
|
// build_aggregate collects to ether sub forms for one aggregate for.
|
|
function build_aggregate(current, expected_closing) {
|
|
for (i++; i < j; i++) {
|
|
var t = tokens[i];
|
|
|
|
if (t.tag === "}" || t.tag === ")" || t.tag === "]") {
|
|
if (t.tag !== expected_closing) t.tag = "invalid";
|
|
current.closing = t;
|
|
if (expected_closing) return current;
|
|
}
|
|
var node = parse_one(t);
|
|
|
|
node.parent = current;
|
|
current.list[current.list.length] = node;
|
|
}
|
|
|
|
return current;
|
|
}
|
|
|
|
build_aggregate(toplevel, null);
|
|
|
|
return toplevel;
|
|
}
|
|
|
|
// annotation rules to apply to a form based on its head
|
|
|
|
var show_locals = true; // HACK. would rather not use a (semi)-global.
|
|
|
|
/* annotate_comment is a special case annotation.
|
|
* in addition to its role in styling specific forms, it is called by parse_one to
|
|
* ignore any forms skipped with #_
|
|
*/
|
|
function annotate_comment(exp) {
|
|
exp.tag = "comments";
|
|
|
|
if (exp.list) {
|
|
exp.opening.tag = "comments";
|
|
exp.closing.tag = "comments";
|
|
|
|
for (var i = 0; i < exp.list.length; i++) {
|
|
var child = exp.list[i];
|
|
if (child.list) {
|
|
annotate_comment(child);
|
|
}
|
|
if (child.attached_node) {
|
|
annotate_comment(child.attached_node);
|
|
}
|
|
else {
|
|
child.tag = "comments";
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* custom annotation rules are stored here */
|
|
var annotation_rules = {};
|
|
|
|
// this function is exposed to allow ad hoc extension of the customisation rules
|
|
function register_annotation_rule(names, rule) {
|
|
for (var i = 0; i < names.length; i++) {
|
|
annotation_rules[names[i]] = rule;
|
|
}
|
|
}
|
|
|
|
|
|
function annotate_destructuring (exp, scope) {
|
|
if (exp.list) {
|
|
if (exp.tag === "vector") {
|
|
for (var i = 0; i < exp.list.length; i++) {
|
|
annotate_destructuring(exp.list[i], scope);
|
|
}
|
|
}
|
|
else if (exp.tag === "map") {
|
|
for (var i = 0; i < exp.list.length; i += 2) {
|
|
var key = exp.list[i];
|
|
var val = exp.list[i + 1];
|
|
|
|
if (key.tag === "keyword" && val.tag === "vector") {
|
|
for (var ii = 0, jj = val.list.length; ii < jj; ii++) {
|
|
if (val.list[ii].tag !== "symbol") continue;
|
|
val.list[ii].tag = "variable";
|
|
scope[val.list[ii].value] = true;
|
|
}
|
|
}
|
|
else {
|
|
annotate_destructuring(key, scope);
|
|
annotate_expressions(val, scope);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (exp.tag === "symbol" && (exp.value !== "&" && exp.value !== "&")){
|
|
exp.tag = "variable";
|
|
scope[exp.value] = true;
|
|
}
|
|
}
|
|
|
|
function _annotate_binding_vector (exp, scope) {
|
|
if (exp.tag !== "vector") return;
|
|
|
|
var bindings = exp.list;
|
|
|
|
if (bindings.length % 2 === 1) return;
|
|
|
|
for (var i = 0; i < bindings.length; i += 2) {
|
|
annotate_destructuring(bindings[i], scope);
|
|
annotate_expressions(bindings[i + 1], scope);
|
|
}
|
|
}
|
|
|
|
function annotate_binding (exp, scope) {
|
|
var bindings = exp.list[1];
|
|
if (!show_locals) return; // HACK
|
|
|
|
if (bindings) {
|
|
scope = Object.create(scope);
|
|
_annotate_binding_vector(bindings, scope);
|
|
}
|
|
for (var i = 2; i < exp.list.length; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
}
|
|
|
|
function _annotate_function_body (exp, scope, start_idx) {
|
|
var argvec = exp.list[start_idx];
|
|
if (argvec.tag !== "vector") return;
|
|
|
|
scope = Object.create(scope);
|
|
|
|
for (var i = 0, j = argvec.list.length; i < j; i++) {
|
|
annotate_destructuring(argvec.list[i], scope);
|
|
}
|
|
|
|
for (var i = start_idx, j = exp.list.length; i < j; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
}
|
|
|
|
function annotate_function (exp, scope) {
|
|
for (var i = 1, j = exp.list.length; i < j; i++) {
|
|
var child = exp.list[i];
|
|
|
|
if (child.tag === "vector") {
|
|
_annotate_function_body (exp, scope, i);
|
|
return;
|
|
}
|
|
else if (child.tag === "list") {
|
|
_annotate_function_body(child, scope, 0)
|
|
}
|
|
}
|
|
}
|
|
|
|
function annotate_letfn (exp, scope) {
|
|
scope = Object.create(scope);
|
|
var bindings = exp.list[1];
|
|
|
|
var fn;
|
|
for (var i = 0, j = bindings.list.length; i < j; i++) {
|
|
fn = bindings.list[i];
|
|
if (!fn.list[0]) continue;
|
|
fn.list[0].tag = "variable";
|
|
scope[fn.list[0].value] = true;
|
|
}
|
|
|
|
for (i = 0, j = bindings.list.length; i < j; i++) {
|
|
var fn = bindings.list[i];
|
|
annotate_function(fn, scope);
|
|
}
|
|
|
|
for (i = 2, j = exp.list.length; i < j; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
}
|
|
|
|
register_annotation_rule(
|
|
["comment"],
|
|
annotate_comment
|
|
);
|
|
|
|
register_annotation_rule(
|
|
["let", "when-let", "if-let", "binding", "doseq", "for", "dotimes", "let*"],
|
|
annotate_binding
|
|
);
|
|
|
|
register_annotation_rule(
|
|
["defn", "defn-", "fn", "bound-fn", "defmacro", "fn*", "defmethod"],
|
|
annotate_function
|
|
);
|
|
|
|
register_annotation_rule(
|
|
["letfn"],
|
|
annotate_letfn
|
|
);
|
|
|
|
// standard annotations
|
|
|
|
function _annotate_metadata_recursive(meta, scope) {
|
|
if (!meta) return;
|
|
|
|
if (meta.list !== undefined && meta.list !== null) {
|
|
for (var i = 0, j = meta.list.length; i < j; i++) {
|
|
meta.opening.secondary_tags.meta = true
|
|
meta.closing.secondary_tags.meta = true
|
|
_annotate_metadata_recursive(meta.list[i], scope);
|
|
}
|
|
}
|
|
else if (meta.attached_node) {
|
|
meta.token.secondary_tags.meta = true;
|
|
_annotate_metadata_recursive(meta.attached_node, scope);
|
|
}
|
|
else {
|
|
meta.secondary_tags.meta = true;
|
|
}
|
|
}
|
|
|
|
function annotate_metadata(exp) {
|
|
if (!(exp && exp.meta)) return;
|
|
var meta = exp.meta;
|
|
|
|
annotate_expressions(meta, {});
|
|
_annotate_metadata_recursive(meta, {});
|
|
}
|
|
|
|
|
|
function annotate_quoted(exp, scope) {
|
|
if (!exp) return;
|
|
|
|
if (exp.list !== undefined && exp.list !== null) {
|
|
for (var i = 0, j = exp.list.length; i < j; i++) {
|
|
exp.opening.secondary_tags.quoted = true
|
|
exp.closing.secondary_tags.quoted = true
|
|
annotate_quoted(exp.list[i], scope);
|
|
}
|
|
}
|
|
else if (exp.attached_node) {
|
|
if (exp.tag === "unquote" || exp.tag === "splice") return;
|
|
exp.token.secondary_tags.quoted = true;
|
|
annotate_quoted(exp.attached_node, scope);
|
|
}
|
|
else {
|
|
exp.secondary_tags.quoted = true;
|
|
}
|
|
}
|
|
|
|
|
|
function annotate_expressions(exp, scope) {
|
|
annotate_metadata(exp);
|
|
|
|
switch (exp.tag) {
|
|
case "toplevel":
|
|
for (var i = 0; i < exp.list.length; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
break;
|
|
|
|
case "list": // functions, macros, special forms, comments
|
|
var head = exp.list[0];
|
|
|
|
if (head) {
|
|
if (head.tag === "list" || head.tag === "vector"
|
|
|| head.tag === "map" || head.tag === "set") {
|
|
annotate_expressions(head, scope);
|
|
}
|
|
else if (head.attached_node) {
|
|
annotate_expressions(head.attached_node, scope);
|
|
}
|
|
else {
|
|
head.tag = (head.value.match(/(^\.)|(\.$)|[A-Z].*\//)
|
|
? "method"
|
|
: "function");
|
|
}
|
|
|
|
// apply specific rules
|
|
if (annotation_rules.hasOwnProperty(head.value)) {
|
|
annotation_rules[head.value](exp, scope);
|
|
}
|
|
else {
|
|
for (var i = 1; i < exp.list.length; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
}
|
|
}
|
|
else { // empty list
|
|
exp.opening.tag = "value";
|
|
exp.closing.tag = "value";
|
|
}
|
|
|
|
break;
|
|
|
|
case "vector": // data
|
|
case "map":
|
|
case "set":
|
|
for (var i = 0; i < exp.list.length; i++) {
|
|
annotate_expressions(exp.list[i], scope);
|
|
}
|
|
break;
|
|
|
|
case "symbol":
|
|
if (exp.value.match(/[A-Z].*\/[A-Z_]+/)) {
|
|
exp.tag = "constant";
|
|
}
|
|
else if (show_locals && scope[exp.value]) {
|
|
exp.tag = "variable";
|
|
}
|
|
else if (exp.tag === "symbol" && exp.value.match(/([A-Z].*\/)?[A-Z_]+/)) {
|
|
exp.tag = "type";
|
|
}
|
|
break;
|
|
|
|
case "quote":
|
|
case "quasiquote":
|
|
annotate_quoted(exp.attached_node, scope);
|
|
|
|
default:
|
|
if (exp.attached_node) annotate_expressions(exp.attached_node, scope);
|
|
}
|
|
}
|
|
|
|
// translation of tag to css:
|
|
var css_translation = {
|
|
"constant": "constants",
|
|
"keyword": "constants",
|
|
"method": "color1",
|
|
"type": "color3",
|
|
"function": "functions",
|
|
"string": "string",
|
|
"regexp": "string",
|
|
"value": "value",
|
|
"comments": "comments",
|
|
"symbol": "symbol",
|
|
"variable": "variable",
|
|
"splice": "preprocessor",
|
|
"unquote": "preprocessor",
|
|
"preprocessor": "preprocessor",
|
|
"meta": "preprocessor",
|
|
"'": "preprocessor",
|
|
"#'": "preprocessor",
|
|
"(": "plain",
|
|
")": "plain",
|
|
"{": "keyword",
|
|
"}": "keyword",
|
|
"#{": "keyword",
|
|
"[": "keyword",
|
|
"]": "keyword",
|
|
"invalid": "invalid",
|
|
"@": "plain"
|
|
};
|
|
|
|
function translate_tags_to_css(tokens) {
|
|
for (var i = 0, j = tokens.length; i < j; i++) {
|
|
var token = tokens[i];
|
|
token.css = css_translation[token.tag];
|
|
for (var k in token.secondary_tags) if (token.secondary_tags.hasOwnProperty(k))
|
|
token.css += " " + k ;
|
|
};
|
|
}
|
|
|
|
|
|
// create the new brush
|
|
|
|
SH.brushes.Clojure = function () {};
|
|
SH.brushes.Clojure.prototype = new SyntaxHighlighter.Highlighter();
|
|
|
|
SH.brushes.Clojure.prototype.findMatches = function find_matches (regexpList, code) {
|
|
// this is a nasty global hack. need to resolve this
|
|
if (this.params && this.params.locals) {
|
|
show_locals = this.params.locals === true || this.params.locals === "true";
|
|
}
|
|
else {
|
|
show_locals = true;
|
|
}
|
|
|
|
var tokens = tokenize(code);
|
|
annotate_expressions(build_tree(tokens), {});
|
|
translate_tags_to_css(tokens);
|
|
|
|
return tokens;
|
|
};
|
|
|
|
SH.brushes.Clojure.aliases = ['clojure', 'Clojure', 'clj'];
|
|
SH.brushes.Clojure.register_annotation_rule = register_annotation_rule;
|
|
|
|
return {
|
|
tokenize: tokenize,
|
|
build_tree: build_tree
|
|
};
|
|
})(SyntaxHighlighter);
|
|
</script><title>mw-engine -- Marginalia</title></head><body><table><tr><td class="docs"><div class="header"><h1 class="project-name"><a href="http://www.journeyman.cc/microworld/">mw-engine</a></h1><h2 class="project-version">0.1.6-SNAPSHOT</h2><br /><p>Cellular automaton world builder.</p>
|
|
</div><div class="dependencies"><h3>dependencies</h3><table><tr><td class="dep-name">org.clojure/clojure</td><td class="dotted"><hr /></td><td class="dep-version">1.8.0</td></tr><tr><td class="dep-name">org.clojure/clojurescript</td><td class="dotted"><hr /></td><td class="dep-version">1.10.764</td></tr><tr><td class="dep-name">org.clojure/math.combinatorics</td><td class="dotted"><hr /></td><td class="dep-version">0.0.7</td></tr><tr><td class="dep-name">org.clojure/tools.trace</td><td class="dotted"><hr /></td><td class="dep-version">0.7.8</td></tr><tr><td class="dep-name">org.clojure/tools.namespace</td><td class="dotted"><hr /></td><td class="dep-version">0.2.4</td></tr><tr><td class="dep-name">com.taoensso/timbre</td><td class="dotted"><hr /></td><td class="dep-version">4.10.0</td></tr><tr><td class="dep-name">fivetonine/collage</td><td class="dotted"><hr /></td><td class="dep-version">0.2.0</td></tr><tr><td class="dep-name">hiccup</td><td class="dotted"><hr /></td><td class="dep-version">1.0.5</td></tr><tr><td class="dep-name">net.mikera/imagez</td><td class="dotted"><hr /></td><td class="dep-version">0.3.1</td></tr></table></div></td><td class="codes" style="text-align: center; vertical-align: middle;color: #666;padding-right:20px"><br /><br /><br />(this space intentionally left almost blank)</td></tr><tr><td class="docs"><div class="toc"><a name="toc"><h3>namespaces</h3></a><ul><li><a href="#mw-engine.natural-rules">mw-engine.natural-rules</a></li><li><a href="#mw-engine.drainage">mw-engine.drainage</a></li><li><a href="#mw-engine.core">mw-engine.core</a></li><li><a href="#mw-engine.heightmap">mw-engine.heightmap</a></li><li><a href="#mw-engine.world">mw-engine.world</a></li><li><a href="#mw-engine.display">mw-engine.display</a></li><li><a href="#mw-engine.utils">mw-engine.utils</a></li></ul></div></td><td class="codes"> </td></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.natural-rules" name="mw-engine.natural-rules"><h1 class="project-name">mw-engine.natural-rules</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>A set of MicroWorld rules describing a simplified natural ecosystem.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.natural-rules
|
|
(:require [mw-engine.utils :refer :all]
|
|
[mw-engine.world :refer :all]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
|
|
<p>Since the completion of the rule language this is more or less obsolete -
|
|
there are still a few things that you can do with rules written in Clojure
|
|
that you can't do in the rule language, but not many and I doubt they're
|
|
important.</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>treeline at arbitrary altitude.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def treeline 150)</pre></td></tr><tr><td class="docs"><p>waterline also at arbitrary altitude.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def waterline 10)</pre></td></tr><tr><td class="docs"><p>and finally snowline is also arbitrary.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def snowline 200)</pre></td></tr><tr><td class="docs"><p>Rare chance of lightning strikes</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def lightning-probability 500)</pre></td></tr><tr><td class="docs"><p>rules describing vegetation</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def vegetation-rules
|
|
(list
|
|
;; Randomly, birds plant tree seeds into grassland.
|
|
(fn [cell world] (cond (and (= (:state cell) :grassland)(< (rand 10) 1))(merge cell {:state :heath})))
|
|
;; heath below the treeline grows gradually into forest, providing browsing pressure is not to high
|
|
(fn [cell world]
|
|
(cond (and
|
|
(= (:state cell) :heath)
|
|
;; browsing limit really ought to vary with soil fertility, but...
|
|
(< (+ (get-int cell :deer)(get-int cell :sheep)) 6)
|
|
(< (get-int cell :altitude) treeline))
|
|
(merge cell {:state :scrub})))
|
|
(fn [cell world] (cond (= (:state cell) :scrub) (merge cell {:state :forest})))
|
|
;; Forest on fertile land grows to climax
|
|
(fn [cell world]
|
|
(cond
|
|
(and
|
|
(= (:state cell) :forest)
|
|
(> (get-int cell :fertility) 10))
|
|
(merge cell {:state :climax})))
|
|
;; Climax forest occasionally catches fire (e.g. lightning strikes)
|
|
(fn [cell world] (cond (and (= (:state cell) :climax)(< (rand lightning-probability) 1)) (merge cell {:state :fire})))
|
|
;; Climax forest neighbouring fires is likely to catch fire
|
|
(fn [cell world]
|
|
(cond
|
|
(and (= (:state cell) :climax)
|
|
(< (rand 3) 1)
|
|
(not (empty? (get-neighbours-with-state world (:x cell) (:y cell) 1 :fire))))
|
|
(merge cell {:state :fire})))
|
|
;; After fire we get waste
|
|
(fn [cell world] (cond (= (:state cell) :fire) (merge cell {:state :waste})))
|
|
;; And after waste we get pioneer species; if there's a woodland seed
|
|
;; source, it's going to be heath, otherwise grassland.
|
|
(fn [cell world]
|
|
(cond
|
|
(and (= (:state cell) :waste)
|
|
(not
|
|
(empty?
|
|
(flatten
|
|
(list
|
|
(get-neighbours-with-state world (:x cell) (:y cell) 1 :scrub)
|
|
(get-neighbours-with-state world (:x cell) (:y cell) 1 :forest)
|
|
(get-neighbours-with-state world (:x cell) (:y cell) 1 :climax))))))
|
|
(merge cell {:state :heath})))
|
|
(fn [cell world]
|
|
(cond (= (:state cell) :waste)
|
|
(merge cell {:state :grassland})))
|
|
;; Forest increases soil fertility
|
|
(fn [cell world]
|
|
(cond (member? (:state cell) '(:forest :climax))
|
|
(merge cell {:fertility (+ (get-int cell :fertility) 1)})))))</pre></td></tr><tr><td class="docs"><p>rules describing herbivore behaviour</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def herbivore-rules
|
|
(list
|
|
;; if there are too many deer for the fertility of the area to sustain,
|
|
;; some die or move on.
|
|
(fn [cell world]
|
|
(cond (> (get-int cell :deer) (get-int cell :fertility))
|
|
(merge cell {:deer (get-int cell :fertility)})))
|
|
;; deer arrive occasionally at the edge of the map.
|
|
(fn [cell world]
|
|
(cond (and (< (count (get-neighbours world cell)) 8)
|
|
(< (rand 50) 1)
|
|
(> (get-int cell :fertility) 0)
|
|
(= (get-int cell :deer) 0))
|
|
(merge cell {:deer 2})))
|
|
;; deer gradually spread through the world by breeding or migrating.
|
|
(fn [cell world]
|
|
(let [n (apply + (map #(get-int % :deer) (get-neighbours world cell)))]
|
|
(cond (and
|
|
(> (get-int cell :fertility) 0)
|
|
(= (get-int cell :deer) 0)
|
|
(>= n 2))
|
|
(merge cell {:deer (int (/ n 2))}))))
|
|
;; deer breed.
|
|
(fn [cell world]
|
|
(cond
|
|
(>= (get-int cell :deer) 2)
|
|
(merge cell {:deer (int (* (:deer cell) 2))})))))</pre></td></tr><tr><td class="docs"><p>rules describing predator behaviour</p>
|
|
</td><td class="codes"><pre class="brush: clojure"> (def predator-rules
|
|
(list
|
|
;; wolves eat deer
|
|
(fn [cell world]
|
|
(cond
|
|
(>= (get-int cell :wolves) 1)
|
|
(merge cell {:deer (max 0 (- (get-int cell :deer) (get-int cell :wolves)))})))
|
|
;; ;; not more than eight wolves in a pack, for now (hack because wolves are not dying)
|
|
;; (fn [cell world]
|
|
;; (cond (> (get-int cell :wolves) 8) (merge cell {:wolves 8})))
|
|
;; if there are not enough deer to sustain the get-int of wolves,
|
|
;; some wolves die or move on. (doesn't seem to be working?)
|
|
(fn [cell world]
|
|
(cond (> (get-int cell :wolves) (get-int cell :deer))
|
|
(merge cell {:wolves 0})))
|
|
;; wolves arrive occasionally at the edge of the map.
|
|
(fn [cell world]
|
|
(cond (and (< (count (get-neighbours world cell)) 8)
|
|
(< (rand 50) 1)
|
|
(not (= (:state cell) :water))
|
|
(= (get-int cell :wolves) 0))
|
|
(merge cell {:wolves 2})))
|
|
;; wolves gradually spread through the world by breeding or migrating.
|
|
(fn [cell world]
|
|
(let [n (apply + (map #(get-int % :wolves) (get-neighbours world cell)))]
|
|
(cond (and
|
|
(not (= (:state cell) :water))
|
|
(= (get-int cell :wolves) 0)
|
|
(>= n 2))
|
|
(merge cell {:wolves 2}))))
|
|
;; wolves breed.
|
|
(fn [cell world]
|
|
(cond
|
|
(>= (get-int cell :wolves) 2)
|
|
(merge cell {:wolves (int (* (:wolves cell) 2))})))))</pre></td></tr><tr><td class="docs"><p>rules which initialise the world</p>
|
|
</td><td class="codes"><pre class="brush: clojure"> (def init-rules
|
|
(list
|
|
;; below the waterline, we have water.
|
|
(fn [cell world]
|
|
(cond (and (= (:state cell) :new) (< (get-int cell :altitude) waterline)) (merge cell {:state :water})))
|
|
;; above the snowline, we have snow.
|
|
(fn [cell world]
|
|
(cond (and (= (:state cell) :new) (> (get-int cell :altitude) snowline)) (merge cell {:state :snow})))
|
|
;; in between, we have a wasteland.
|
|
(fn [cell world] (cond (= (:state cell) :new) (merge cell {:state :grassland})))))</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(def natural-rules (flatten
|
|
(list
|
|
vegetation-rules
|
|
herbivore-rules
|
|
predator-rules)))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.drainage" name="mw-engine.drainage"><h1 class="project-name">mw-engine.drainage</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Experimental, probably of no interest to anyone else; attempt to
|
|
compute drainage on a world, assumed to have altitudes already set
|
|
from a heightmap.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.drainage
|
|
(:require [mw-engine.core :refer [run-world]]
|
|
[mw-engine.heightmap :as heightmap]
|
|
[mw-engine.utils :refer [get-int-or-zero get-least-cell get-neighbours
|
|
get-neighbours-with-property-value
|
|
map-world]]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(def ^:dynamic *sealevel* 10)</pre></td></tr><tr><td class="docs"><p>forward declaration of flow, to allow for a wee bit of mutual recursion.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(declare flow)</pre></td></tr><tr><td class="docs"><p>Compute rainfall for a cell with this <code>gradient</code> west-east, given
|
|
<code>remaining</code> drops to distribute, and this overall map width.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn rainfall
|
|
[gradient remaining map-width]
|
|
(cond
|
|
;; if there's no rain left in the cloud, it can't fall;
|
|
(zero? remaining)
|
|
0
|
|
(pos? gradient)
|
|
;; rain, on prevailing westerly wind, falls preferentially on rising ground;
|
|
(int (rand gradient))
|
|
;; rain falls randomly across the width of the map...
|
|
(zero? (int (rand map-width))) 1
|
|
:else
|
|
0))</pre></td></tr><tr><td class="docs"><p>Return a row like this <code>row</code>, across which rainfall has been distributed;
|
|
if <code>rain-probability</code> is specified, it is the probable rainfall on a cell
|
|
with no gradient.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn rain-row
|
|
([row]
|
|
(rain-row row 1))
|
|
([row rain-probability]
|
|
(rain-row row (count row) 0 (int (* (count row) rain-probability))))
|
|
([row map-width previous-altitude drops-in-cloud]
|
|
(cond
|
|
(empty? row) nil
|
|
(pos? drops-in-cloud)
|
|
(let [cell (first row)
|
|
alt (or (:altitude cell) 0)
|
|
rising (- alt previous-altitude)
|
|
fall (rainfall rising drops-in-cloud map-width)]
|
|
(cons
|
|
(assoc cell :rainfall fall)
|
|
(rain-row (rest row) map-width alt (- drops-in-cloud fall))))
|
|
:else
|
|
(map
|
|
#(assoc % :rainfall 0)
|
|
row))))</pre></td></tr><tr><td class="docs"><p>Simulate rainfall on this <code>world</code>. TODO: Doesn't really work just now - should
|
|
rain more on west-facing slopes, and less to the east of high ground</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn rain-world
|
|
[world]
|
|
(map
|
|
rain-row
|
|
world))</pre></td></tr><tr><td class="docs"><p>Return a list of the cells in this <code>world</code> which are higher than this
|
|
<code>cell</code> and for which this cell is the lowest neighbour, or which are at the
|
|
same altitude and have greater flow</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flow-contributors
|
|
[cell world]
|
|
(filter #(map? %)
|
|
(map
|
|
(fn [n]
|
|
(cond
|
|
(= cell (get-least-cell (get-neighbours world n) :altitude)) n
|
|
(and (= (:altitude cell) (:altitude n))
|
|
(> (or (:flow n) 0) (or (:flow cell) 0))) n))
|
|
(get-neighbours-with-property-value
|
|
world (:x cell) (:y cell) 1 :altitude
|
|
(or (:altitude cell) 0) >=))))</pre></td></tr><tr><td class="docs"><p>Detects point hollows - that is, individual cells all of whose neighbours
|
|
are higher. Return true if this <code>cell</code> has an altitude lower than any of
|
|
its neighbours in this <code>world</code></p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn is-hollow
|
|
[world cell]
|
|
;; quicker to count the elements of the list and compare equality of numbers
|
|
;; than recursive equality check on members, I think. But worth benchmarking.
|
|
(let [neighbours (get-neighbours world cell)
|
|
altitude (get-int-or-zero cell :altitude)]
|
|
(= (count neighbours)
|
|
(count (get-neighbours-with-property-value
|
|
world (:x cell) (:y cell) 1 :altitude altitude >)))))</pre></td></tr><tr><td class="docs"><p>Raise the altitude of a copy of this <code>cell</code> of this <code>world</code> to the altitude
|
|
of the lowest of its <code>neighbours</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flood-hollow
|
|
([world cell neighbours]
|
|
(let [lowest (get-least-cell neighbours :altitude)]
|
|
(merge cell {:state :water :altitude (:altitude lowest)})))
|
|
([world cell]
|
|
(flood-hollow world cell (get-neighbours world cell))))</pre></td></tr><tr><td class="docs"><p>Flood all local hollows in this <code>world</code>. At this stage only floods single
|
|
cell hollows.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flood-hollows
|
|
[world]
|
|
(map-world world
|
|
#(if (is-hollow %1 %2) (flood-hollow %1 %2) %2)))</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(def max-altitude 255)</pre></td></tr><tr><td class="docs"><p>Experimental non recursive flow algorithm, needs to be run on a world as
|
|
many times as there are distinct altitude values. This algorithm works only
|
|
if applied sequentially from the highest altitude to the lowest, see
|
|
<code>flow-world-nr</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flow-nr
|
|
[cell world]
|
|
(if (= (- max-altitude (get-int-or-zero cell :generation))
|
|
(get-int-or-zero cell :altitude))
|
|
(merge cell
|
|
{:flow (reduce +
|
|
(map
|
|
#(+ (get-int-or-zero % :rainfall)
|
|
(get-int-or-zero % :flow))
|
|
(flow-contributors cell world)))})))</pre></td></tr><tr><td class="docs"><p>Compute the total flow upstream of this <code>cell</code> in this <code>world</code>, and return a cell identical
|
|
to this one but having a value of its flow property set from that computation. The function is
|
|
memoised because the consequence of mapping a recursive function across an array is that many
|
|
cells will be revisited - potentially many times.</p>
|
|
|
|
<p> Flow comes from a higher cell to a lower only if the lower is the lowest neighbour of the higher.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def flow
|
|
(memoize
|
|
(fn [cell world]
|
|
(cond
|
|
(not (nil? (:flow cell))) cell
|
|
(<= (or (:altitude cell) 0) *sealevel*) cell
|
|
true
|
|
(merge cell
|
|
{:flow (+ (:rainfall cell)
|
|
(apply +
|
|
(map (fn [neighbour] (:flow (flow neighbour world)))
|
|
(flow-contributors cell world))))})))))</pre></td></tr><tr><td class="docs"><p>Experimental non-recursive flow-world algorithm</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flow-world-nr
|
|
[world]
|
|
(run-world world nil (list flow-nr) max-altitude))</pre></td></tr><tr><td class="docs"><p>Return a world like this <code>world</code>, but with cells tagged with the amount of
|
|
water flowing through them.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn flow-world
|
|
[world]
|
|
(map-world (rain-world world) flow))</pre></td></tr><tr><td class="docs"><p>Return a sequence of cells starting with this <code>cell</code> in this <code>world</code> which
|
|
form a contiguous lake</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn explore-lake
|
|
[world cell])</pre></td></tr><tr><td class="docs"><p>If this <code>cell</code> in this <code>world</code> is not part of a lake, return nil. If it is,
|
|
return a cell like this <code>cell</code> tagged as part of a lake.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn is-lake?
|
|
[world cell]
|
|
(if
|
|
;; if it's already tagged as a lake, it's a lake
|
|
(:lake cell) cell
|
|
(let
|
|
[outflow (min (map :altitude (get-neighbours world cell)))]
|
|
(if-not
|
|
(> (:altitude cell) outflow)
|
|
(assoc cell :lake true)))))</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(defn find-lakes
|
|
[world])</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(defn run-drainage
|
|
[hmap]
|
|
"Create a world from the heightmap `hmap`, rain on it, and then compute river
|
|
flows."
|
|
(flow-world (rain-world (flood-hollows (heightmap/apply-heightmap hmap)))))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.core" name="mw-engine.core"><h1 class="project-name">mw-engine.core</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Functions to transform a world and run rules.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.core
|
|
(:require [clojure.core.reducers :as r]
|
|
[clojure.string :refer [join]]
|
|
[mw-engine.world :as world]
|
|
[mw-engine.utils :refer [get-int-or-zero map-world]]
|
|
[taoensso.timbre :as l]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
|
|
<p>Every rule is a function of two arguments, a cell and a world. If the rule
|
|
fires, it returns a new cell, which should have the same values for :x and
|
|
:y as the old cell. Anything else can be modified.</p>
|
|
|
|
<p>While any function of two arguments can be used as a rule, a special high
|
|
level rule language is provided by the <code>mw-parser</code> package, which compiles
|
|
rules expressed in a subset of English rules into suitable functions.</p>
|
|
|
|
<p>A cell is a map containing at least values for the keys :x, :y, and :state;
|
|
a transformation should not alter the values of :x or :y, and should not
|
|
return a cell without a keyword as the value of :state. Anything else is
|
|
legal.</p>
|
|
|
|
<p>A world is a two dimensional matrix (sequence of sequences) of cells, such
|
|
that every cell's :x and :y properties reflect its place in the matrix.
|
|
See <code>world.clj</code>.</p>
|
|
|
|
<p>Each time the world is transformed (see <code>transform-world</code>, for each cell,
|
|
rules are applied in turn until one matches. Once one rule has matched no
|
|
further rules can be applied.</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>Apply a single <code>rule</code> to a <code>cell</code>. What this is about is that I want to be able,
|
|
for debugging purposes, to tag a cell with the rule text of the rule which
|
|
fired (and especially so when an exception is thrown. So a rule may be either
|
|
an ifn, or a list (ifn source-text). This function deals with despatching
|
|
on those two possibilities. <code>world</code> is also passed in in order to be able
|
|
to access neighbours.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn apply-rule
|
|
([world cell rule]
|
|
(cond
|
|
(ifn? rule) (apply-rule world cell rule nil)
|
|
(seq? rule) (let [[afn src] rule] (apply-rule world cell afn src))))
|
|
([world cell rule source]
|
|
(let [result (apply rule (list cell world))]
|
|
(cond
|
|
(and result source) (merge result {:rule source})
|
|
true result))))</pre></td></tr><tr><td class="docs"><p>Derive a cell from this <code>cell</code> of this <code>world</code> by applying these <code>rules</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- apply-rules
|
|
[world cell rules]
|
|
(cond (empty? rules) cell
|
|
true (let [result (apply-rule world cell (first rules))]
|
|
(cond result result
|
|
true (apply-rules world cell (rest rules))))))</pre></td></tr><tr><td class="docs"><p>Derive a cell from this <code>cell</code> of this <code>world</code> by applying these <code>rules</code>. If an
|
|
exception is thrown, cache its message on the cell and set it's state to error</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- transform-cell
|
|
[world cell rules]
|
|
(try
|
|
(merge
|
|
(apply-rules world cell rules)
|
|
{:generation (+ (get-int-or-zero cell :generation) 1)})
|
|
(catch Exception e
|
|
(merge cell {:error
|
|
(format "%s at generation %d when in state %s"
|
|
(.getMessage e)
|
|
(:generation cell)
|
|
(:state cell))
|
|
:stacktrace (map #(.toString %) (.getStackTrace e))
|
|
:state :error}))))</pre></td></tr><tr><td class="docs"><p>Return a world derived from this <code>world</code> by applying these <code>rules</code> to each cell.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn transform-world
|
|
[world rules]
|
|
(map-world world transform-cell (list rules)))</pre></td></tr><tr><td class="docs"><p>Consider this single argument as a map of <code>:world</code> and <code>:rules</code>; apply the rules
|
|
to transform the world, and return a map of the new, transformed <code>:world</code> and
|
|
these <code>:rules</code>. As a side effect, print the world.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- transform-world-state
|
|
[state]
|
|
(let [world (transform-world (:world state) (:rules state))]
|
|
;;(world/print-world world)
|
|
{:world world :rules (:rules state)}))</pre></td></tr><tr><td class="docs"><p>Run this world with these rules for this number of generations.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world as discussed above;</li>
|
|
<li><code>init-rules</code> a sequence of rules as defined above, to be run once to initialise the world;</li>
|
|
<li><code>rules</code> a sequence of rules as defined above, to be run iteratively for each generation;</li>
|
|
<li><p><code>generations</code> an (integer) number of generations.</p>
|
|
|
|
<p>Return the final generation of the world.</p></li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn run-world
|
|
[world init-rules rules generations]
|
|
(reduce (fn [world iteration]
|
|
(l/info "Running iteration " iteration)
|
|
(transform-world world rules))
|
|
(transform-world world init-rules)
|
|
(range generations)))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.heightmap" name="mw-engine.heightmap"><h1 class="project-name">mw-engine.heightmap</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Functions to apply a heightmap to a world.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.heightmap
|
|
(:import [java.awt.image BufferedImage])
|
|
(:require [fivetonine.collage.util :as collage :only [load-image]]
|
|
[mikera.image.core :as imagez :only [filter-image get-pixels]]
|
|
[mikera.image.filters :as filters]
|
|
[mw-engine.utils :refer [abs get-int get-neighbours map-world]]
|
|
[mw-engine.world :refer [make-world]]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
|
|
<p>Heightmaps are considered only as greyscale images, so colour is redundent
|
|
(will be ignored). Darker shades are higher.</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>Set the value of this <code>property</code> of this cell from the corresponding pixel of this <code>heightmap</code>.
|
|
If the heightmap you supply is smaller than the world, this will break.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> not actually used, but present to enable this function to be
|
|
passed as an argument to <code>mw-engine.utils/map-world</code>, q.v.</li>
|
|
<li><code>cell</code> a cell, as discussed in world.clj, q.v. Alternatively, a map;</li>
|
|
<li><code>property</code> the property (normally a keyword) whose value will be set on the cell.</li>
|
|
<li><code>heightmap</code> an (ideally) greyscale image, whose x and y dimensions should
|
|
exceed those of the world of which the <code>cell</code> forms part.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn tag-property
|
|
([world cell property heightmap]
|
|
(tag-property cell property heightmap))
|
|
([cell property heightmap]
|
|
(merge cell
|
|
{property
|
|
(+ (get-int cell property)
|
|
(- 256
|
|
(abs
|
|
(mod
|
|
(.getRGB heightmap
|
|
(get-int cell :x)
|
|
(get-int cell :y)) 256))))})))</pre></td></tr><tr><td class="docs"><p>Set the <code>gradient</code> property of this <code>cell</code> of this <code>world</code> to the difference in
|
|
altitude between its highest and lowest neghbours.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn tag-gradient
|
|
[world cell]
|
|
(let [heights (remove nil? (map :altitude (get-neighbours world cell)))
|
|
highest (cond (empty? heights) 0 ;; shouldn't happen
|
|
true (apply max heights))
|
|
lowest (cond (empty? heights) 0 ;; shouldn't
|
|
true (apply min heights))
|
|
gradient (- highest lowest)]
|
|
(merge cell {:gradient gradient})))</pre></td></tr><tr><td class="docs"><p>Set the <code>gradient</code> property of each cell in this <code>world</code> to the difference in
|
|
altitude between its highest and lowest neghbours.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn tag-gradients
|
|
[world]
|
|
(map-world world tag-gradient))</pre></td></tr><tr><td class="docs"><p>Set the altitude of this cell from the corresponding pixel of this heightmap.
|
|
If the heightmap you supply is smaller than the world, this will break.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> not actually used, but present to enable this function to be
|
|
passed as an argument to <code>mw-engine.utils/map-world</code>, q.v.;</li>
|
|
<li><code>cell</code> a cell, as discussed in world.clj, q.v. Alternatively, a map;</li>
|
|
<li><code>heightmap</code> an (ideally) greyscale image, whose x and y dimensions should
|
|
exceed those of the world of which the <code>cell</code> forms part.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn tag-altitude
|
|
([world cell heightmap]
|
|
(tag-property cell :altitude heightmap))
|
|
([cell heightmap]
|
|
(tag-property cell :altitude heightmap)))</pre></td></tr><tr><td class="docs"><p>Apply the image file loaded from this path to this world, and return a world whose
|
|
altitudes are modified (added to) by the altitudes in the heightmap. It is assumed that
|
|
the heightmap is at least as large in x and y dimensions as the world. Note that, in
|
|
addition to setting the <code>:altitude</code> of each cell, this function also sets the <code>:gradient</code>.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world, as defined in <code>world.clj</code>, q.v.; if world is not supplied,
|
|
a world the size of the heightmap will be created;</li>
|
|
<li><code>imagepath</code> a file path or URL which indicates an (ideally greyscale) image file.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn apply-heightmap
|
|
([world imagepath]
|
|
(let [heightmap (imagez/filter-image
|
|
(filters/grayscale)
|
|
(collage/load-image imagepath))]
|
|
(map-world
|
|
(map-world world tag-altitude (list heightmap))
|
|
tag-gradient)))
|
|
([imagepath]
|
|
(let [heightmap (imagez/filter-image
|
|
(filters/grayscale)
|
|
(collage/load-image imagepath))
|
|
world (make-world (.getWidth heightmap) (.getHeight heightmap))]
|
|
(map-world
|
|
(map-world world tag-altitude (list heightmap))
|
|
tag-gradient))))</pre></td></tr><tr><td class="docs"><p>Generalised from apply-heightmap, set an arbitrary property on each cell
|
|
of this <code>world</code> from the values in this (ideally greyscale) heightmap.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world, as defined in <code>world.clj</code>, q.v.;</li>
|
|
<li><code>imagepath</code> a file path or URL which indicates an (ideally greyscale) image file;</li>
|
|
<li><code>property</code> the property of each cell whose value should be added to from the
|
|
intensity of the corresponding cell of the image.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn apply-valuemap
|
|
[world imagepath property]
|
|
(let [heightmap (imagez/filter-image
|
|
(filters/grayscale)
|
|
(collage/load-image imagepath))]
|
|
(map-world world tag-property (list property heightmap))))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.world" name="mw-engine.world"><h1 class="project-name">mw-engine.world</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Functions to create and to print two dimensional cellular automata.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.world
|
|
(:require [clojure.string :as string :only [join]]
|
|
[mw-engine.utils :refer [population]]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
|
|
<p>Functions to create and to print two dimensional cellular automata.
|
|
Nothing in this namespace should determine what states are possible within
|
|
the automaton, except for the initial state, :new.</p>
|
|
|
|
<p>A cell is a map containing at least values for the keys :x, :y, and :state.</p>
|
|
|
|
<p>A world is a two dimensional matrix (sequence of sequences) of cells, such
|
|
that every cell's :x and :y properties reflect its place in the matrix.</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>Create a minimal default cell at x, y</p>
|
|
|
|
<ul>
|
|
<li><code>x</code> the x coordinate at which this cell is created;</li>
|
|
<li><code>y</code> the y coordinate at which this cell is created.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- make-cell
|
|
[x y]
|
|
{:x x :y y :state :new})</pre></td></tr><tr><td class="docs"><p>Make the (remaining) cells in a row at this height in a world of this width.</p>
|
|
|
|
<ul>
|
|
<li><code>index</code> x coordinate of the next cell to be created;</li>
|
|
<li><code>width</code> total width of the matrix, in cells;</li>
|
|
<li><code>height</code> y coordinate of the next cell to be created.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- make-world-row
|
|
[index width height]
|
|
(cond (= index width) nil
|
|
true (cons (make-cell index height)
|
|
(make-world-row (inc index) width height))))</pre></td></tr><tr><td class="docs"><p>Make the (remaining) rows in a world of this width and height, from this
|
|
index.</p>
|
|
|
|
<ul>
|
|
<li><code>index</code> y coordinate of the next row to be created;</li>
|
|
<li><code>width</code> total width of the matrix, in cells;</li>
|
|
<li><code>height</code> total height of the matrix, in cells.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- make-world-rows
|
|
[index width height]
|
|
(cond (= index height) nil
|
|
true (cons (apply vector (make-world-row 0 width index))
|
|
(make-world-rows (inc index) width height))))</pre></td></tr><tr><td class="docs"><p>Make a world width cells from east to west, and height cells from north to
|
|
south.</p>
|
|
|
|
<ul>
|
|
<li><code>width</code> a natural number representing the width of the matrix to be created;</li>
|
|
<li><code>height</code> a natural number representing the height of the matrix to be created.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn make-world
|
|
[width height]
|
|
(apply vector (make-world-rows 0 width height)))</pre></td></tr><tr><td class="docs"><p>Truncate the print name of the state of this cell to at most limit characters.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn truncate-state
|
|
[cell limit]
|
|
(let [s (:state cell)]
|
|
(cond (> (count (str s)) limit) (subs s 0 limit)
|
|
true s)))</pre></td></tr><tr><td class="docs"><p>Return a formatted string summarising the current state of this cell.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn format-cell
|
|
[cell]
|
|
(format "%10s(%2d/%2d)"
|
|
(truncate-state cell 10)
|
|
(population cell :deer)
|
|
(population cell :wolves)))</pre></td></tr><tr><td class="docs"><p>Format one row in the state of a world for printing.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- format-world-row
|
|
[row]
|
|
(string/join (map format-cell row)))</pre></td></tr><tr><td class="docs"><p>Print the current state of this world, and return nil.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world as defined above.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn print-world
|
|
[world]
|
|
(println)
|
|
(dorun
|
|
(map
|
|
#(println
|
|
(format-world-row %))
|
|
world))
|
|
nil)</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.display" name="mw-engine.display"><h1 class="project-name">mw-engine.display</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p>Simple functions to allow a world to be visualised.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.display
|
|
(:require [hiccup.core :refer [html]]
|
|
mw-engine.utils
|
|
mw-engine.world))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>Base url (i.e., url of directory) from which to load tile images.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def ^:dynamic *image-base*
|
|
"img/tiles")</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(defn format-css-class [state]
|
|
"Format this `state`, assumed to be a keyword indicating a state in the
|
|
world, into a CSS class"
|
|
(subs (str state) 1))</pre></td></tr><tr><td class="docs"><p>Render this <code>state</code>, assumed to be a keyword indicating a state in the
|
|
world, into a path which should recover the corresponding image file.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn format-image-path
|
|
[state]
|
|
(format "%s/%s.png" *image-base* (format-css-class state)))</pre></td></tr><tr><td class="docs">
|
|
</td><td class="codes"><pre class="brush: clojure">(defn format-mouseover [cell]
|
|
(str cell))</pre></td></tr><tr><td class="docs"><p>Render this world cell as a Hiccup table cell.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn render-cell
|
|
[cell]
|
|
(let [state (:state cell)]
|
|
[:td {:class (format-css-class state) :title (format-mouseover cell)}
|
|
[:a {:href (format "inspect?x=%d&y=%d" (:x cell) (:y cell))}
|
|
[:img {:alt (:state cell) :width 32 :height 32 :src (format-image-path state)}]]]))</pre></td></tr><tr><td class="docs"><p>Render this world <code>row</code> as a Hiccup table row.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn render-world-row
|
|
[row]
|
|
(apply vector (cons :tr (map render-cell row))))</pre></td></tr><tr><td class="docs"><p>Render this <code>world</code> as a Hiccup table.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn render-world-table
|
|
[world]
|
|
(apply vector
|
|
(cons :table
|
|
(map render-world-row world))))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr><tr><td class="docs"><div class="docs-header"><a class="anchor" href="#mw-engine.utils" name="mw-engine.utils"><h1 class="project-name">mw-engine.utils</h1><a class="toc-link" href="#toc">toc</a></a></div></td><td class="codes" /></tr><tr><td class="docs"><p> Utility functions needed by MicroWorld and, specifically, in the
|
|
interpretation of MicroWorld rule.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(ns ^{:doc
|
|
:author "Simon Brooke"}
|
|
mw-engine.utils
|
|
(:require
|
|
[clojure.math.combinatorics :as combo]))</pre></td></tr><tr><td class="docs"><p>mw-engine: the state/transition engine of MicroWorld.</p>
|
|
|
|
<p>This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.</p>
|
|
|
|
<p>This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.</p>
|
|
|
|
<p>You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
USA.</p>
|
|
|
|
<p>Copyright (C) 2014 Simon Brooke</p>
|
|
</td><td class="codes"></td></tr><tr><td class="docs"><p>Surprisingly, Clojure doesn't seem to have an abs function, or else I've
|
|
missed it. So here's one of my own. Maps natural numbers onto themselves,
|
|
and negative integers onto natural numbers. Also maps negative real numbers
|
|
onto positive real numbers.</p>
|
|
|
|
<ul>
|
|
<li><code>n</code> a number, on the set of real numbers.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn abs
|
|
[n]
|
|
(if (neg? n) (- 0 n) n))</pre></td></tr><tr><td class="docs"><p>True if elt is a member of col.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn member?
|
|
[elt col] (some #(= elt %) col))</pre></td></tr><tr><td class="docs"><p>Return the value of this <code>property</code> from this <code>map</code> if it is a integer;
|
|
otherwise return zero.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-int-or-zero
|
|
[map property]
|
|
(let [value (map property)]
|
|
(if (integer? value) value 0)))</pre></td></tr><tr><td class="docs"><p>Return a cell like this <code>cell</code>, but having a value for :generation, zero if
|
|
the cell passed had no integer value for generation, otherwise the value
|
|
taken from the cell passed. The <code>world</code> argument is present only for
|
|
consistency with the rule engine and is ignored.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn init-generation
|
|
[world cell]
|
|
(merge cell {:generation (get-int-or-zero cell :generation)}))</pre></td></tr><tr><td class="docs"><p>True if x, y are in bounds for this world (i.e., there is a cell at x, y)
|
|
else false. <em>DEPRECATED</em>: it's a predicate, prefer <code>in-bounds?</code>.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world as defined above;</li>
|
|
<li><code>x</code> a number which may or may not be a valid x coordinate within that world;</li>
|
|
<li><code>y</code> a number which may or may not be a valid y coordinate within that world.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn in-bounds
|
|
{:deprecated "1.1.7"}
|
|
[world x y]
|
|
(and (>= x 0)(>= y 0)(< y (count world))(< x (count (first world)))))</pre></td></tr><tr><td class="docs"><p>True if x, y are in bounds for this world (i.e., there is a cell at x, y)
|
|
else false.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world as defined above;</li>
|
|
<li><code>x</code> a number which may or may not be a valid x coordinate within that world;</li>
|
|
<li><code>y</code> a number which may or may not be a valid y coordinate within that world.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn in-bounds?
|
|
{:added "1.1.7"}
|
|
[world x y]
|
|
(and (>= x 0)(>= y 0)(< y (count world))(< x (count (first world)))))</pre></td></tr><tr><td class="docs"><p>Wholly non-parallel map world implementation; see documentation for <code>map-world</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn map-world-n-n
|
|
([world function]
|
|
(map-world-n-n world function nil))
|
|
([world function additional-args]
|
|
(into []
|
|
(map (fn [row]
|
|
(into [] (map
|
|
#(apply function
|
|
(cons world (cons % additional-args)))
|
|
row)))
|
|
world))))</pre></td></tr><tr><td class="docs"><p>Wholly parallel map-world implementation; see documentation for <code>map-world</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn map-world-p-p
|
|
([world function]
|
|
(map-world-p-p world function nil))
|
|
([world function additional-args]
|
|
(into []
|
|
(pmap (fn [row]
|
|
(into [] (pmap
|
|
#(apply function
|
|
(cons world (cons % additional-args)))
|
|
row)))
|
|
world))))</pre></td></tr><tr><td class="docs"><p>Apply this <code>function</code> to each cell in this <code>world</code> to produce a new world.
|
|
the arguments to the function will be the world, the cell, and any
|
|
<code>additional-args</code> supplied. Note that we parallel map over rows but
|
|
just map over cells within a row. That's because it isn't worth starting
|
|
a new thread for each cell, but there may be efficiency gains in
|
|
running rows in parallel.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn map-world
|
|
([world function]
|
|
(map-world world function nil))
|
|
([world function additional-args]
|
|
(into []
|
|
(pmap (fn [row]
|
|
(into [] (map
|
|
#(apply function
|
|
(cons world (cons % additional-args)))
|
|
row)))
|
|
world))))</pre></td></tr><tr><td class="docs"><p>Return the cell a x, y in this world, if any.</p>
|
|
|
|
<ul>
|
|
<li><code>world</code> a world as defined above;</li>
|
|
<li><code>x</code> a number which may or may not be a valid x coordinate within that world;</li>
|
|
<li><code>y</code> a number which may or may not be a valid y coordinate within that world.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-cell
|
|
[world x y]
|
|
(when (in-bounds world x y)
|
|
(nth (nth world y) x)))</pre></td></tr><tr><td class="docs"><p>Get the value of a property expected to be an integer from a map; if not present (or not an integer) return 0.</p>
|
|
|
|
<ul>
|
|
<li><code>map</code> a map;</li>
|
|
<li><code>key</code> a symbol or keyword, presumed to be a key into the <code>map</code>.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-int
|
|
[map key]
|
|
(if (map? map)
|
|
(let [v (map key)]
|
|
(cond (and v (integer? v)) v
|
|
true 0))
|
|
(throw (Exception. "No map passed?"))))</pre></td></tr><tr><td class="docs"><p>Return the population of this species in this cell. Currently a synonym for
|
|
<code>get-int</code>, but may not always be (depending whether species are later
|
|
implemented as actors)</p>
|
|
|
|
<ul>
|
|
<li><code>cell</code> a map;</li>
|
|
<li><code>species</code> a keyword representing a species which may populate that cell.</li>
|
|
</ul>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn population
|
|
[cell species]
|
|
(get-int cell species))</pre></td></tr><tr><td class="docs"><p>Memoised get neighbours is more efficient when running deeply recursive
|
|
algorithms on the same world. But it's less efficient when running the
|
|
engine in its normal iterative style, because then we will rarely call
|
|
get naighbours on the same cell of the same world twice.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(def memo-get-neighbours
|
|
(memoize
|
|
(fn [world x y depth]
|
|
(remove nil?
|
|
(map #(get-cell world (first %) (first (rest %)))
|
|
(remove #(= % (list x y))
|
|
(combo/cartesian-product
|
|
(range (- x depth) (+ x depth 1))
|
|
(range (- y depth) (+ y depth 1)))))))))</pre></td></tr><tr><td class="docs"><p>Get the neighbours to distance depth of a cell in this world.</p>
|
|
|
|
<pre><code>Several overloads:
|
|
* `world` a world, as described in world.clj;
|
|
* `cell` a cell within that world
|
|
Gets immediate neighbours of the specified cell.
|
|
|
|
* `world` a world, as described in world.clj;
|
|
* `cell` a cell within that world
|
|
* `depth` an integer representing the depth to search from the
|
|
`cell`
|
|
Gets neighbours within the specified distance of the cell.
|
|
|
|
* `world` a world, as described in world.clj;
|
|
* `x` an integer representing an x coordinate in that world;
|
|
* `y` an integer representing an y coordinate in that world;
|
|
* `depth` an integer representing the distance from [x,y] that
|
|
should be searched
|
|
Gets the neighbours within the specified distance of the cell at
|
|
coordinates [x,y] in this world.
|
|
</code></pre>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-neighbours
|
|
([world x y depth]
|
|
(remove nil?
|
|
(map #(get-cell world (first %) (first (rest %)))
|
|
(remove #(= % (list x y))
|
|
(combo/cartesian-product
|
|
(range (- x depth) (+ x depth 1))
|
|
(range (- y depth) (+ y depth 1)))))))
|
|
([world cell depth]
|
|
(memo-get-neighbours world (:x cell) (:y cell) depth))
|
|
([world cell]
|
|
(get-neighbours world cell 1)))</pre></td></tr><tr><td class="docs"><p>Get the neighbours to distance depth of the cell at x, y in this world which
|
|
have this value for this property.</p>
|
|
|
|
<pre><code>* `world` a world, as described in `world.clj`;
|
|
* `cell` a cell within that world;
|
|
* `depth` an integer representing the distance from [x,y] that
|
|
should be searched (optional);
|
|
* `property` a keyword representing a property of the neighbours;
|
|
* `value` a value of that property (or, possibly, the name of another);
|
|
* `op` a comparator function to use in place of `=` (optional).
|
|
</code></pre>
|
|
|
|
<p> It gets messy.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-neighbours-with-property-value
|
|
([world x y depth property value op]
|
|
(filter
|
|
#(eval
|
|
(list op
|
|
(or (get % property) (get-int % property))
|
|
value))
|
|
(get-neighbours world x y depth)))
|
|
([world x y depth property value]
|
|
(get-neighbours-with-property-value world x y depth property value =))
|
|
([world cell depth property value]
|
|
(get-neighbours-with-property-value world (:x cell) (:y cell) depth
|
|
property value))
|
|
([world cell property value]
|
|
(get-neighbours-with-property-value world cell 1
|
|
property value)))</pre></td></tr><tr><td class="docs"><p>Get the neighbours to distance depth of the cell at x, y in this world which
|
|
have this state.</p>
|
|
|
|
<pre><code>* `world` a world, as described in `world.clj`;
|
|
* `cell` a cell within that world;
|
|
* `depth` an integer representing the distance from [x,y] that
|
|
should be searched;
|
|
* `state` a keyword representing a state in the world.
|
|
</code></pre>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-neighbours-with-state
|
|
([world x y depth state]
|
|
(filter #(= (:state %) state) (get-neighbours world x y depth)))
|
|
([world cell depth state]
|
|
(get-neighbours-with-state world (:x cell) (:y cell) depth state))
|
|
([world cell state]
|
|
(get-neighbours-with-state world cell 1 state)))</pre></td></tr><tr><td class="docs"><p>Return the cell from among these <code>cells</code> which has the lowest numeric value
|
|
for this <code>property</code>; if the property is absent or not a number, use this
|
|
<code>default</code></p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn get-least-cell
|
|
([cells property default]
|
|
(cond
|
|
(empty? cells) nil
|
|
true (let [downstream (get-least-cell (rest cells) property default)]
|
|
(cond (<
|
|
(or (property (first cells)) default)
|
|
(or (property downstream) default)) (first cells)
|
|
true downstream))))
|
|
([cells property]
|
|
(get-least-cell cells property (Integer/MAX_VALUE))))</pre></td></tr><tr><td class="docs"><p>If this <code>cell</code>s x and y properties are equal to these <code>x</code> and <code>y</code> values,
|
|
return a cell like this cell but with the value of this <code>property</code> set to
|
|
this <code>value</code>. Otherwise, just return this <code>cell</code>.</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn- set-cell-property
|
|
[cell x y property value]
|
|
(cond
|
|
(and (= x (:x cell)) (= y (:y cell)))
|
|
(merge cell {property value :rule "Set by user"})
|
|
true
|
|
cell))</pre></td></tr><tr><td class="docs"><p>Return a world like this <code>world</code> but with the value of exactly one <code>property</code>
|
|
of one <code>cell</code> changed to this <code>value</code></p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn set-property
|
|
([world cell property value]
|
|
(set-property world (:x cell) (:y cell) property value))
|
|
([world x y property value]
|
|
(apply
|
|
vector ;; we want a vector of vectors, not a list of lists, for efficiency
|
|
(map
|
|
(fn [row]
|
|
(apply
|
|
vector
|
|
(map #(set-cell-property % x y property value)
|
|
row)))
|
|
world))))</pre></td></tr><tr><td class="docs"><p>Return a world like this <code>world</code>, but merge the values from this <code>cell</code> with
|
|
those from the cell in the world with the same co-ordinates</p>
|
|
</td><td class="codes"><pre class="brush: clojure">(defn merge-cell
|
|
[world cell]
|
|
(if (in-bounds world (:x cell) (:y cell))
|
|
(map-world world
|
|
#(if
|
|
(and
|
|
(= (:x cell)(:x %2))
|
|
(= (:y cell)(:y %2)))
|
|
(merge %2 cell)
|
|
%2))
|
|
world))</pre></td></tr><tr><td class="spacer docs"> </td><td class="codes" /></tr></table><div class="footer">Generated by <a href="https://github.com/gdeer81/marginalia">Marginalia</a>. Syntax highlighting provided by Alex Gorbatchev's <a href="http://alexgorbatchev.com/SyntaxHighlighter/">SyntaxHighlighter</a><div id="floating-toc"><ul><li class="floating-toc-li" id="floating-toc_mw-engine.natural-rules">mw-engine.natural-rules</li><li class="floating-toc-li" id="floating-toc_mw-engine.drainage">mw-engine.drainage</li><li class="floating-toc-li" id="floating-toc_mw-engine.core">mw-engine.core</li><li class="floating-toc-li" id="floating-toc_mw-engine.heightmap">mw-engine.heightmap</li><li class="floating-toc-li" id="floating-toc_mw-engine.world">mw-engine.world</li><li class="floating-toc-li" id="floating-toc_mw-engine.display">mw-engine.display</li><li class="floating-toc-li" id="floating-toc_mw-engine.utils">mw-engine.utils</li></ul></div></div><script type="text/javascript">SyntaxHighlighter.defaults['gutter'] = false;
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