604 lines
23 KiB
DTD
Executable file
604 lines
23 KiB
DTD
Executable file
<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- -->
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<!-- adl-1.3.dtd -->
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<!-- -->
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<!-- Purpose: -->
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<!-- Document Type Description for Application Description -->
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<!-- Language. Normative for now; will be replaced by a schema. ` -->
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<!-- -->
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<!-- Author: Simon Brooke <simon@cygnets.co.uk> -->
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<!-- Created: 24th January 2006 -->
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<!-- Copyright: (c) 2007 Cygnet Solutions -->
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<!-- -->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!--
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$Revision: 1.3 $
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-->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- Before we start: import XHTML for use in documentation sections -->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- doesn't work yet -->
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<!-- ENTITY % XHTML PUBLIC
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"-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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%XHTML; -->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- Before we start: some useful definitions -->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- some basic character entities inherited from HTML. Actually we probably ought to
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import all the HTML4 character entity files, and possibly the HTML4 Strict DTD (so
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that we can allow HTML block level entities within content elements -->
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<!ENTITY nbsp " ">
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<!ENTITY pound "£">
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<!ENTITY copy "©">
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<!-- boolean means true or false -->
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<!ENTITY % Boolean "(true|false)" >
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<!--
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Locale is a string comprising an ISO 639 language code followed by a space
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followed by an ISO 3166 country code, or else the string 'default'. See:
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<URL:http://www.ics.uci.edu/pub/ietf/http/related/iso639.txt>
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<URL:http://www.chemie.fu-berlin.de/diverse/doc/ISO_3166.html>
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-->
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<!ENTITY % Locale "CDATA" >
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<!--
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permissions a group may have on an entity, list, page, form or field
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permissions are deemed to increase as you go right. A group cannot
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have greater permission on a field than on the form it is in, or
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greater permission on form than the entity it belongs to
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none: none
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read: select
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insert: insert
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noedit: select, insert
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edit: select, insert, update
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all: select, insert, update, delete
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-->
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<!ENTITY % Permissions "none|read|insert|noedit|edit|all" >
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<!--
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actions which should be cascaded to dependent objects. All these values except
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'manual' are taken from Hibernate and should be passed through the adl2hibernate
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mapping transparently. Relevent only for properties with type='entity', type='link'
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and type='list'
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all : cascade delete, save and update
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all-delete-orphan : see hibernate documentation; relates to transient objects only
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delete : cascade delete actions, but not save and update
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manual : cascading will be handled in manually managed code, code to
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handle cascading should not be generated
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save-update : cascade save and update actions, but not delete.
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-->
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<!ENTITY % CascadeActions "all|all-delete-orphan|delete|manual|save-update">
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<!--
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data types which can be used in a typedef to provide validation -
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e.g. a string can be used with a regexp or a scalar can be used with
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min and max values
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string: varchar java.sql.Types.VARCHAR
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integer: int java.sql.Types.INTEGER
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real: double java.sql.Types.DOUBLE
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money: money java.sql.Types.INTEGER
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date: date java.sql.Types.DATE
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time: time java.sql.Types.TIME
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timestamp: timestamp java.sql.Types.TIMESTAMP
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uploadable: varchar java.sql.Types.VARCHAR
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image: varchar java.sql.Types.VARCHAR
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uploadable is as string but points to an uploaded file; image is as
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uploadable but points to an uploadable graphical image file
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-->
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<!ENTITY % DefinableDataTypes "string|integer|real|money|date|time|timestamp|uploadable" >
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<!--
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data types which are fairly straightforward translations of JDBC data types
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boolean: boolean or java.sql.Types.BIT
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char(1) java.sql.Types.CHAR
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text: text or java.sql.Types.LONGVARCHAR
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memo java.sql.Types.CLOB
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-->
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<!ENTITY % SimpleDataTypes "%DefinableDataTypes;|boolean|text" >
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<!--
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data types which are more complex than SimpleDataTypes...
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entity : a foreign key link to another entity (i.e. the 'many' end of a
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one-to-many link);
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list : a list of some other entity that links to me (i.e. the 'one' end of
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a one-to-many link);
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link : a many to many link (via a link table);
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defined : a type defined by a typedef.
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-->
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<!ENTITY % ComplexDataTypes "entity|link|list|defined" >
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<!--
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data types which require special handling - which don't simply map onto
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common SQL data types
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geopos : a latitude/longitude pair (experimental and not yet implemented)
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image : a raster image file, in jpeg|gif|png format (experimental, not yet implemented)
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message : an internationalised message, having different translations for different locales
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-->
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<!ENTITY % SpecialDataTypes "geopos|image|message" >
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<!-- all data types -->
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<!ENTITY % AllDataTypes "%ComplexDataTypes;|%SimpleDataTypes;|%SpecialDataTypes;" >
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<!-- content, for things like pages (i.e. forms, lists, pages) -->
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<!ENTITY % Content "head|top|foot" >
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<!ENTITY % FieldStuff "field|fieldgroup|auxlist|verb">
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<!ENTITY % PageContent "%Content;|%FieldStuff;" >
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<!ENTITY % PageStuff "%PageContent;|permission|pragma" >
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<!-- Properties for pages:
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name: obviously, the name (URL stub) of the page
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properties: the properties of the entity the page describes to be shown
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as fields on the page
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all: obviously, all properties (except the abstract primary key, if
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present)
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user-distinct: all properties which are user-distinct (NOTE: Not yet implemented)
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listed: only those properties for which fields are explicitly listed
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-->
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<!ENTITY % PageAttrs
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"name CDATA #REQUIRED
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properties (all|user-distinct|listed) #REQUIRED" >
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<!-- Actions for generators (mainly for keyfields - see entity 'generator', below
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assigned: In manually-maintained code, you contract to assign a value
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to this property before it is persisted.
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guid: The system will supply a unique GUid value to this field
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before it is persisted.
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mannual: You contract to supply a generatos class in manually maintained
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code.
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native: The database will supply a unique value to this field when it
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is persisted; the value will be an integer. RECOMMENDED!
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-->
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<!ENTITY % GeneratorActions "assigned|guid|manual|native">
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!-- Elements -->
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<!-- :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: -->
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<!--
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the application that the document describes: required top level element
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name: the name of this application
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version: the version number of this application
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revision: the revision of the ADL document
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currency: the base monetary currency, in the form of an ISO 4217 three-letter code
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xmlns: XML namespace, in case required
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-->
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<!ELEMENT application ( specification*, documentation?, content?, typedef*, group*, entity*)>
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<!ATTLIST application
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name CDATA #REQUIRED
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version CDATA #IMPLIED
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revision CDATA #IMPLIED
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currency CDATA #IMPLIED
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xmlns CDATA #IMPLIED>
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<!--
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the definition of a defined type. At this stage a defined type is either
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a string in which case it must have size and pattern, or
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a scalar in which case it must have minimum and/or maximum
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pattern must be a regular expression as interpreted by org.apache.regexp.RE
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minimum and maximum must be of appropriate format for the datatype specified.
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Validation may be done client-side and/or server-side at application layer
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and/or server side at database layer.
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name: the name of this typedef
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type: the simple type on which this defined type is based; must be
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present unless in-implementation children are supplied
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size: the data size of this defined type
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pattern: a regular expression which values for this type must match
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minimum: the minimum value for this type (if base type is scalar)
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maximum: the maximum value for this type (if base type is scalar)
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-->
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<!ELEMENT typedef (documentation?, in-implementation*, help*) >
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<!ATTLIST typedef
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name CDATA #REQUIRED
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type (%DefinableDataTypes;) #IMPLIED
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size CDATA #IMPLIED
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pattern CDATA #IMPLIED
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minimum CDATA #IMPLIED
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maximum CDATA #IMPLIED>
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<!--
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information about how to translate a type into types known to different target
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languages. TODO: Once again I'm not wholly comfortable with the name; I'm not
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really comfortable that this belongs in ADL at all.
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target: the target language
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value: the type to use in that target language
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kind: OK, I confess I don't understand this, but Andrew needs it...
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-->
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<!ELEMENT in-implementation (documentation?)>
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<!ATTLIST in-implementation
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target CDATA #REQUIRED
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value CDATA #REQUIRED
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kind CDATA #IMPLIED>
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<!--
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a group of people with similar permissions to one another
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name: the name of this group
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parent: the name of a group of which this group is subset
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-->
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<!ELEMENT group (documentation?)>
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<!ATTLIST group
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name CDATA #REQUIRED
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parent CDATA #IMPLIED>
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<!--
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an entity which has properties and relationships; maps onto a database
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table or a Java serialisable class - or, of course, various other things
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name: obviously, the name of this entity
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natural-key: if present, the name of a property of this entity which forms
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a natural primary key [NOTE: Only partly implemented. NOTE: much of
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the present implementation assumes all primary keys will be
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integers. This needs to be fixed!] DEPRECATED: remove; replace with the
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'key' element, below.
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table: the name of the table in which this entity is stored. Defaults to same
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as name of entity. Strongly recommend this is not used unless it needs
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to be different from the name of the entity
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foreign: this entity is part of some other system; no code will be generated
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for it, although code which links to it will be generated
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-->
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<!ELEMENT entity ( documentation?, prompt*, content?, key?,
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property*, permission*, (form | page | list)*)>
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<!ATTLIST entity
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name CDATA #REQUIRED
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natural-key CDATA #IMPLIED
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table CDATA #IMPLIED
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foreign %Boolean; #IMPLIED>
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<!--
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contains documentation on the element which immediately contains it. TODO:
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should HTML markup within a documentation element be allowed? If so, are
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there restrictions?
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-->
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<!ELEMENT documentation ( #PCDATA|reference)*>
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<!ATTLIST documentation
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xmlns CDATA #IMPLIED>
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<!-- an explicit primary key, possibly compound -->
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<!ELEMENT key (property*)>
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<!--
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a property (field) of an entity (table)
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name: the name of this property.
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type: the type of this property.
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default: the default value of this property. There will probably be
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magic values of this!
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typedef: name of the typedef to use, it type = 'defined'.
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distinct: distinct='system' required that every value in the system
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will be distinct (i.e. natural primary key);
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distinct='user' implies that the value may be used by users
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in distinguishing entities even if values are not formally
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unique;
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distinct='all' implies that the values are formally unique
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/and/ are user friendly (NOTE: not implemented).
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entity: if type='entity', the name of the entity this property is
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a foreign key link to.
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if type='list', the name of the entity that has a foreign
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key link to this entity
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farkey: if type='list', the name of farside key in the listed
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entity; if type='entity' and the farside field to join to
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is not the farside primary key, then the name of that
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farside field
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required: whether this propery is required (i.e. 'not null').
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immutable: if true, once a value has been set it cannot be changed.
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size: fieldwidth of the property if specified.
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concrete: if set to 'false', this property is not stored in the
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database but must be computed (manually written code must
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be provided to support this)
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cascade: what action(s) on the parent entity should be cascaded to
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entitie(s) linked on this property. Valid only if type='entity',
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type='link' or type='list'.
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column: name of the column in a SQL database table in which this property
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is stored. TODO: Think about this.
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unsaved-value:
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of a property whose persistent value is set on first being
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committed to persistent store, the value which it holds before
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it has been committed
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-->
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<!ELEMENT property ( documentation?, generator?, (permission|option|prompt|help|ifmissing)*)>
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<!ATTLIST property
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name CDATA #REQUIRED
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type (%AllDataTypes;) #REQUIRED
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default CDATA #IMPLIED
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typedef CDATA #IMPLIED
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distinct (none|all|user|system) #IMPLIED
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entity CDATA #IMPLIED
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farkey CDATA #IMPLIED
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required %Boolean; #IMPLIED
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immutable %Boolean; #IMPLIED
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size CDATA #IMPLIED
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column CDATA #IMPLIED
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concrete %Boolean; #IMPLIED
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cascade (%CascadeActions;) #IMPLIED>
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<!--
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marks a property which is auto-generated by some part of the system.
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This is based on the Hibernate construct, except that the Hibernate
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implementation folds both its internal generators and custom generators
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onto the same attribute. This separates them onto two attributes so we
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can police values for Hibernate's 'builtin' generators.
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action: one of the supported Hibernate builtin generators, or
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'manual'. 'native' is strongly recommended in most instances
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class: if action is 'manual', the name of a manually maintained
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class conforming to the Hibernate IdentifierGenerator
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interface, or its equivalent in other languages
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-->
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<!ELEMENT generator (documentation?, param*)>
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<!ATTLIST generator
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action (%GeneratorActions;) #REQUIRED
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class CDATA #IMPLIED>
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<!--
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A parameter passed to the generator. Again, based on the Hibernate
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implementation. TODO: #PCDATA is wrong as the content model, as embedded
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markup is definitely not allowed!
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name: the name of this parameter
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TODO: This needs to be renamed or removed because it conflicts with the
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XHTML element of the same name. In fact it could be simply removed since
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our usage is compatible with the XHTML usage, but it might be less
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ambiguous to rename it.
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-->
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<!ELEMENT param (#PCDATA)>
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<!ATTLIST param
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name CDATA #REQUIRED>
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<!--
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one of an explicit list of optional values a property may have
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NOTE: whether options get encoded at application layer or at database layer
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is UNDEFINED; either behaviour is correct. If at database layer it's also
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UNDEFINED whether they're encoded as a single reference data table or as
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separate reference data tables for each property.
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value: the value of this option
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TODO: This needs to be renamed or removed because it conflicts with the
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XHTML element of the same name. In fact it could be simply removed since
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our usage is compatible with the XHTML usage, but it might be less
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ambiguous to rename it.
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-->
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<!ELEMENT option (documentation?, prompt*)>
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<!-- if the value is different from the prompt the user sees, specify it -->
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<!ATTLIST option
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value CDATA #IMPLIED>
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<!--
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permissions policy on an entity, a page, form, list or field
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group: the group to which permission is granted
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permission: the permission which is granted to that group
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-->
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<!ELEMENT permission (documentation?)>
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<!ATTLIST permission
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group CDATA #REQUIRED
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permission (%Permissions;) #REQUIRED>
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<!--
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pragmatic advice to generators of lists and forms, in the form of
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name/value pairs which may contain anything. Over time some pragmas
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will become 'well known', but the whole point of having a pragma
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architecture is that it is extensible.
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-->
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<!ELEMENT pragma (documentation?)>
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<!ATTLIST pragma
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name CDATA #REQUIRED
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value CDATA #REQUIRED>
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<!--
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a prompt for a property or field; used as the prompt text for a widget
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which edits it. Typically there will be only one of these per property
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per locale; if there are more than one all those matching the locale may
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be concatenated, or just one may be used.
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prompt: the prompt to use
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locale: the locale in which to prefer this prompt
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-->
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<!ELEMENT prompt (documentation?)>
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<!ATTLIST prompt
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prompt CDATA #REQUIRED
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locale %Locale; #REQUIRED >
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<!--
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helptext about a property of an entity, or a field of a page, form or
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list, or a typedef. Typically there will be only one of these per property
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per locale; if there are more than one all those matching the locale may
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be concatenated, or just one may be used.
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locale: the locale in which to prefer this prompt
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-->
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<!ELEMENT help (#PCDATA)>
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<!ATTLIST help
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locale %Locale; #REQUIRED
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xmlns CDATA #IMPLIED >
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<!--
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helpful text to be shown if a property value is missing, typically when
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a form is submitted. Typically there will be only one of these per property
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per locale; if there are more than one all those matching the locale may
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be concatenated, or just one may be used. Later there may be more sophisticated
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behaviour here.
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-->
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<!ELEMENT ifmissing (#PCDATA)>
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<!ATTLIST ifmissing
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locale %Locale; #REQUIRED
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xmlns CDATA #IMPLIED>
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<!-- a form through which an entity may be added or edited
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TODO: This needs to be renamed because it conflicts with the
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XHTML element of the same name.
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-->
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<!ELEMENT form (documentation?, ( %PageStuff;)*)>
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<!ATTLIST form %PageAttrs;>
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<!-- a page on which an entity may be displayed -->
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<!ELEMENT page (documentation?, ( %PageStuff;)*)>
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<!ATTLIST page %PageAttrs;>
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<!--
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a list on which entities of a given type are listed
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onselect: name of form/page/list to go to when
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a selection is made from the list
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-->
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<!ELEMENT list (documentation?, ( %PageStuff;)*)>
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<!ATTLIST list %PageAttrs;
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onselect CDATA #IMPLIED >
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<!--
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a subsidiary list, on which entities related to primary
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entities in the enclosing page or list are listed
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property: the property of the enclosing entity that this
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list displays (obviously, must be of type='list')
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onselect: the form or page of the listed entity to call
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when an item from the list is selected
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canadd: true if the user should be able to add records
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to this list
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-->
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<!ELEMENT auxlist (documentation?, (prompt|%FieldStuff;)*)>
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<!ATTLIST auxlist %PageAttrs;
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property CDATA #REQUIRED
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onselect CDATA #IMPLIED
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canadd %Boolean; #IMPLIED>
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<!--
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a group of fields and other controls within a form or list, which the
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renderer might render as a single pane in a tabbed display, for example.
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-->
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<!ELEMENT fieldgroup (documentation?, (prompt|permission|%FieldStuff;)*)>
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<!ATTLIST fieldgroup
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name CDATA #REQUIRED>
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<!-- a field in a form or page
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property: the property which this field displays/edits
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-->
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<!ELEMENT field (documentation?, (prompt|help|permission)*) >
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<!ATTLIST field
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property CDATA #REQUIRED >
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<!-- a verb is something that may be done through a form. Probably the verbs 'store'
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and 'delete' are implied, but maybe they need to be explicitly declared. The 'verb'
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attribute of the verb is what gets returned to the controller -->
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<!ELEMENT verb (documentation?, (prompt|help|permission)*) >
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<!ATTLIST verb
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verb CDATA #REQUIRED
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dangerous %Boolean; #REQUIRED>
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<!-- a container for global content -->
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<!ELEMENT content (%Content;)*>
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<!--
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content to place in the head of the generated document; this is #PCDATA
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because it will almost certainly belong to a different namespace
|
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(usually HTML)
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TODO: This needs to be renamed or removed because it conflicts with the
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XHTML element of the same name. In fact it could be simply removed since
|
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our usage is compatible with the XHTML usage, but it might be less
|
|
ambiguous to rename it.
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-->
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<!ELEMENT head (#PCDATA) >
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<!ATTLIST head
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xmlns CDATA #IMPLIED>
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<!--
|
|
content to place in the top of the body of the generated document;
|
|
this is %Flow; which is any HTML block or inline level element.
|
|
-->
|
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<!ELEMENT top (#PCDATA) >
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<!ATTLIST top
|
|
xmlns CDATA #IMPLIED>
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|
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<!--
|
|
content to place at the foot of the body of the generated document;
|
|
this is %Flow; which is any HTML block or inline level element.
|
|
-->
|
|
<!ELEMENT foot (#PCDATA) >
|
|
<!ATTLIST foot
|
|
xmlns CDATA #IMPLIED>
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<!--
|
|
The 'specification' and 'reference' elements are for documentation only,
|
|
and do not contribute to the engineering of the application described.
|
|
|
|
A specification element is intended chiefly to declare the reference
|
|
documents which may be used in documentation elements later in the
|
|
document.
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|
|
url: The URL from which the document referenced can be retrieved
|
|
name: The full name (title) given to this document
|
|
abbr: A convenient abbreviated name
|
|
-->
|
|
<!ELEMENT specification (documentation?, reference*)>
|
|
<!ATTLIST specification
|
|
url CDATA #IMPLIED
|
|
name CDATA #REQUIRED
|
|
abbr CDATA #REQUIRED
|
|
>
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<!--
|
|
The 'specification' and 'reference' elements are for documentation only,
|
|
and do not contribute to the engineering of the application described.
|
|
|
|
A reference element is a reference to a specifying document.
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|
|
abbr: The abbreviated name of the specification to which this
|
|
reference refers
|
|
section: The 'anchor part' (part following a hash character) which,
|
|
when appended to the URL, will locate the exact section
|
|
referenced.
|
|
entity: A reference to another entity within this ADL document
|
|
property: A reference to another property within this ADL document;
|
|
if entity is also specified then of that entity, else of
|
|
the ancestor entity if any
|
|
-->
|
|
<!ELEMENT reference (documentation?)>
|
|
<!ATTLIST reference
|
|
abbr CDATA #IMPLIED
|
|
section CDATA #IMPLIED
|
|
entity CDATA #IMPLIED
|
|
property CDATA #IMPLIED
|
|
>
|
|
|