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<html><head><meta charset="UTF-8" /><title>beowulf.reader.char-reader documentation</title><link rel="icon" type="image/x-icon" href="../img/beowulf_logo_favicon.png" /><link rel="stylesheet" type="text/css" href="css/default.css" /><link rel="stylesheet" type="text/css" href="css/highlight.css" /><script type="text/javascript" src="js/highlight.min.js"></script><script type="text/javascript" src="js/jquery.min.js"></script><script type="text/javascript" src="js/page_effects.js"></script><script>hljs.initHighlightingOnLoad();</script></head><body><div id="header"><h2>Generated by <a href="https://github.com/weavejester/codox">Codox</a></h2><h1><a href="index.html"><span class="project-title"><span class="project-name">Beowulf</span> <span class="project-version">0.3.0-SNAPSHOT</span></span></a></h1></div><div class="sidebar primary"><h3 class="no-link"><span class="inner">Project</span></h3><ul class="index-link"><li class="depth-1 "><a href="index.html"><div 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class="depth-3 branch current"><a href="beowulf.reader.char-reader.html"><div class="inner"><span class="tree"><span class="top"></span><span class="bottom"></span></span><span>char-reader</span></div></a></li><li class="depth-3 branch"><a href="beowulf.reader.generate.html"><div class="inner"><span class="tree"><span class="top"></span><span class="bottom"></span></span><span>generate</span></div></a></li><li class="depth-3 branch"><a href="beowulf.reader.macros.html"><div class="inner"><span class="tree"><span class="top"></span><span class="bottom"></span></span><span>macros</span></div></a></li><li class="depth-3 branch"><a href="beowulf.reader.parser.html"><div class="inner"><span class="tree"><span class="top"></span><span class="bottom"></span></span><span>parser</span></div></a></li><li class="depth-3"><a href="beowulf.reader.simplify.html"><div class="inner"><span class="tree"><span class="top"></span><span class="bottom"></span></span><span>simplify</span></div></a></li></ul></div><div class="sidebar secondary"><h3><a href="#top"><span class="inner">Public Vars</span></a></h3><ul></ul></div><div class="namespace-docs" id="content"><h1 class="anchor" id="top">beowulf.reader.char-reader</h1><div class="doc"><div class="markdown"><p>Provide sensible line editing, auto completion, and history recall.</p>
<p>None of what’s needed here is really working yet, and a pull request with a working implementation would be greatly welcomed.</p>
<h2><a href="#whats-needed-rough-specification-" name="whats-needed-rough-specification-"></a>What’s needed (rough specification)</h2>
<ol>
<li>Carriage return <strong>does not</strong> cause input to be returned, <strong>unless</strong> a. the number of open brackets <code>(</code> and closing brackets <code>)</code> match; and b. the number of open square brackets <code>[</code> and closing square brackets <code>]</code> also match;</li>
<li><ctrl-d> aborts editing and returns the string <code>STOP</code>;</ctrl-d></li>
<li><up-arrow> and <down-arrow> scroll back and forward through history, but ideally I’d like this to be the Lisp history (i.e. the history of S-Expressions actually read by <code>READ</code>, rather than the strings which were supplied to <code>READ</code>);</down-arrow></up-arrow></li>
<li><tab> offers potential auto-completions taken from the value of <code>(OBLIST)</code>, ideally the current value, not the value at the time the session started;</tab></li>
<li><back-arrow> and <forward-arrow> offer movement and editing within the line.</forward-arrow></back-arrow></li>
</ol>
<p>TODO: There are multiple problems with JLine; a better solution might be to start from here: <a href="https://stackoverflow.com/questions/7931988/how-to-manipulate-control-characters">https://stackoverflow.com/questions/7931988/how-to-manipulate-control-characters</a></p></div></div></div></body></html>
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