hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-Parser-XmlDTDTokenParser.html
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<pre><a name="line-1"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='comment'>{- |
<a name="line-4"></a> Module : Text.XML.HXT.Parser.XmlDTDTokenParser
<a name="line-5"></a> Copyright : Copyright (C) 2005 Uwe Schmidt
<a name="line-6"></a> License : MIT
<a name="line-7"></a>
<a name="line-8"></a> Maintainer : Uwe Schmidt (uwe@fh-wedel.de)
<a name="line-9"></a> Stability : experimental
<a name="line-10"></a> Portability: portable
<a name="line-11"></a> Version : $Id: XmlDTDTokenParser.hs,v 1.4 2005/09/02 17:09:39 hxml Exp $
<a name="line-12"></a>
<a name="line-13"></a> Parsec parser for tokenizing DTD declarations for ELEMENT, ATTLIST, ENTITY and NOTATION
<a name="line-14"></a>
<a name="line-15"></a>-}</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='keyword'>module</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>Parser</span><span class='varop'>.</span><span class='conid'>XmlDTDTokenParser</span> <span class='keyword'>where</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>ParserCombinators</span><span class='varop'>.</span><span class='conid'>Parsec</span>
<a name="line-22"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>ParserCombinators</span><span class='varop'>.</span><span class='conid'>Parsec</span><span class='varop'>.</span><span class='conid'>Pos</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='comment'>-- import Text.XML.HXT.DOM.XmlTree hiding (choice)</span>
<a name="line-25"></a>
<a name="line-26"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>DOM</span><span class='varop'>.</span><span class='conid'>Interface</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='keyword'>import</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>DOM</span><span class='varop'>.</span><span class='conid'>XmlNode</span>
<a name="line-29"></a> <span class='layout'>(</span> <span class='varid'>mkDTDElem</span>
<a name="line-30"></a> <span class='layout'>,</span> <span class='varid'>mkText</span>
<a name="line-31"></a> <span class='layout'>)</span>
<a name="line-32"></a><span class='keyword'>import</span> <span class='keyword'>qualified</span> <span class='conid'>Text</span><span class='varop'>.</span><span class='conid'>XML</span><span class='varop'>.</span><span class='conid'>HXT</span><span class='varop'>.</span><span class='conid'>Parser</span><span class='varop'>.</span><span class='conid'>XmlTokenParser</span> <span class='keyword'>as</span> <span class='conid'>XT</span>
<a name="line-33"></a>
<a name="line-34"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-35"></a><span class='comment'>--</span>
<a name="line-36"></a><span class='comment'>-- DTD declaration tokenizer</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="dtdDeclTokenizer"></a><span class='definition'>dtdDeclTokenizer</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-39"></a><span class='definition'>dtdDeclTokenizer</span>
<a name="line-40"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-41"></a> <span class='layout'>(</span><span class='varid'>dcl</span><span class='layout'>,</span> <span class='varid'>al</span><span class='layout'>)</span> <span class='keyglyph'><-</span> <span class='varid'>dtdDeclStart</span>
<a name="line-42"></a> <span class='varid'>content</span> <span class='keyglyph'><-</span> <span class='varid'>many1</span> <span class='varid'>dtdToken</span>
<a name="line-43"></a> <span class='varid'>dtdDeclEnd</span>
<a name="line-44"></a> <span class='varid'>return</span> <span class='varop'>$!</span> <span class='varid'>mkDTDElem</span> <span class='varid'>dcl</span> <span class='varid'>al</span> <span class='varid'>content</span>
<a name="line-45"></a>
<a name="line-46"></a><a name="dtdDeclStart"></a><span class='definition'>dtdDeclStart</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='layout'>(</span><span class='conid'>DTDElem</span><span class='layout'>,</span> <span class='conid'>Attributes</span><span class='layout'>)</span>
<a name="line-47"></a><span class='definition'>dtdDeclStart</span>
<a name="line-48"></a> <span class='keyglyph'>=</span> <span class='varid'>foldr1</span> <span class='layout'>(</span><span class='varop'><|></span><span class='layout'>)</span> <span class='varop'>$</span>
<a name="line-49"></a> <span class='varid'>map</span> <span class='layout'>(</span><span class='varid'>uncurry</span> <span class='varid'>dtdStart</span><span class='layout'>)</span> <span class='varop'>$</span>
<a name="line-50"></a> <span class='keyglyph'>[</span> <span class='layout'>(</span><span class='str'>"ELEMENT"</span><span class='layout'>,</span> <span class='conid'>ELEMENT</span> <span class='layout'>)</span>
<a name="line-51"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='str'>"ATTLIST"</span><span class='layout'>,</span> <span class='conid'>ATTLIST</span> <span class='layout'>)</span>
<a name="line-52"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='str'>"ENTITY"</span><span class='layout'>,</span> <span class='conid'>ENTITY</span> <span class='layout'>)</span>
<a name="line-53"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='str'>"NOTATION"</span><span class='layout'>,</span> <span class='conid'>NOTATION</span><span class='layout'>)</span>
<a name="line-54"></a> <span class='keyglyph'>]</span>
<a name="line-55"></a> <span class='keyword'>where</span>
<a name="line-56"></a> <span class='varid'>dtdStart</span> <span class='keyglyph'>::</span> <span class='conid'>String</span> <span class='keyglyph'>-></span> <span class='conid'>DTDElem</span> <span class='keyglyph'>-></span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='layout'>(</span><span class='conid'>DTDElem</span><span class='layout'>,</span> <span class='conid'>Attributes</span><span class='layout'>)</span>
<a name="line-57"></a> <span class='varid'>dtdStart</span> <span class='varid'>dcl</span> <span class='varid'>element</span>
<a name="line-58"></a> <span class='keyglyph'>=</span> <span class='varid'>try</span> <span class='layout'>(</span> <span class='keyword'>do</span>
<a name="line-59"></a> <span class='varid'>string</span> <span class='str'>"<!"</span>
<a name="line-60"></a> <span class='varid'>string</span> <span class='varid'>dcl</span>
<a name="line-61"></a> <span class='varid'>pos</span> <span class='keyglyph'><-</span> <span class='varid'>getPosition</span>
<a name="line-62"></a> <span class='varid'>return</span> <span class='layout'>(</span><span class='varid'>element</span><span class='layout'>,</span> <span class='keyglyph'>[</span> <span class='layout'>(</span><span class='varid'>a_source</span><span class='layout'>,</span> <span class='varid'>sourceName</span> <span class='varid'>pos</span><span class='layout'>)</span>
<a name="line-63"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>a_line</span><span class='layout'>,</span> <span class='varid'>show</span> <span class='layout'>(</span><span class='varid'>sourceLine</span> <span class='varid'>pos</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-64"></a> <span class='layout'>,</span> <span class='layout'>(</span><span class='varid'>a_column</span><span class='layout'>,</span> <span class='varid'>show</span> <span class='layout'>(</span><span class='varid'>sourceColumn</span> <span class='varid'>pos</span><span class='layout'>)</span><span class='layout'>)</span>
<a name="line-65"></a> <span class='keyglyph'>]</span>
<a name="line-66"></a> <span class='layout'>)</span>
<a name="line-67"></a> <span class='layout'>)</span>
<a name="line-68"></a>
<a name="line-69"></a><a name="dtdDeclEnd"></a><span class='definition'>dtdDeclEnd</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>()</span>
<a name="line-70"></a><span class='definition'>dtdDeclEnd</span>
<a name="line-71"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-72"></a> <span class='conid'>XT</span><span class='varop'>.</span><span class='varid'>gt</span>
<a name="line-73"></a> <span class='varid'>return</span> <span class='conid'>()</span>
<a name="line-74"></a>
<a name="line-75"></a><a name="dtdToken"></a><span class='definition'>dtdToken</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-76"></a><span class='definition'>dtdToken</span>
<a name="line-77"></a> <span class='keyglyph'>=</span> <span class='varid'>dtdChars</span>
<a name="line-78"></a> <span class='varop'><|></span>
<a name="line-79"></a> <span class='varid'>attrValue</span>
<a name="line-80"></a> <span class='varop'><|></span>
<a name="line-81"></a> <span class='varid'>try</span> <span class='varid'>peReference</span> <span class='comment'>-- first try parameter entity ref %xxx;</span>
<a name="line-82"></a> <span class='varop'><|></span>
<a name="line-83"></a> <span class='varid'>percent</span> <span class='comment'>-- else % may be indicator for parameter entity declaration</span>
<a name="line-84"></a> <span class='varop'><?></span> <span class='str'>"DTD token"</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="peReference"></a><span class='definition'>peReference</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-87"></a><span class='definition'>peReference</span>
<a name="line-88"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-89"></a> <span class='varid'>r</span> <span class='keyglyph'><-</span> <span class='conid'>XT</span><span class='varop'>.</span><span class='varid'>peReference</span>
<a name="line-90"></a> <span class='varid'>return</span> <span class='varop'>$!</span> <span class='layout'>(</span><span class='varid'>mkDTDElem</span> <span class='conid'>PEREF</span> <span class='keyglyph'>[</span><span class='layout'>(</span><span class='varid'>a_peref</span><span class='layout'>,</span> <span class='varid'>r</span><span class='layout'>)</span><span class='keyglyph'>]</span> <span class='conid'>[]</span><span class='layout'>)</span>
<a name="line-91"></a>
<a name="line-92"></a><a name="attrValue"></a><span class='definition'>attrValue</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-93"></a><span class='definition'>attrValue</span>
<a name="line-94"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-95"></a> <span class='varid'>v</span> <span class='keyglyph'><-</span> <span class='conid'>XT</span><span class='varop'>.</span><span class='varid'>attrValue</span>
<a name="line-96"></a> <span class='varid'>return</span> <span class='varop'>$!</span> <span class='varid'>mkText</span> <span class='varid'>v</span>
<a name="line-97"></a>
<a name="line-98"></a><a name="dtdChars"></a><span class='definition'>dtdChars</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-99"></a><span class='definition'>dtdChars</span>
<a name="line-100"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-101"></a> <span class='varid'>v</span> <span class='keyglyph'><-</span> <span class='varid'>many1</span> <span class='layout'>(</span><span class='conid'>XT</span><span class='varop'>.</span><span class='varid'>singleChar</span> <span class='str'>"%\"'<>[]"</span><span class='layout'>)</span> <span class='comment'>-- everything except string constants, < and >, [ and ] (for cond sections)</span>
<a name="line-102"></a> <span class='varid'>return</span> <span class='varop'>$!</span> <span class='varid'>mkText</span> <span class='varid'>v</span> <span class='comment'>-- all illegal chars will be detected later during declaration parsing</span>
<a name="line-103"></a>
<a name="line-104"></a><a name="percent"></a><span class='definition'>percent</span> <span class='keyglyph'>::</span> <span class='conid'>GenParser</span> <span class='conid'>Char</span> <span class='varid'>state</span> <span class='conid'>XmlTree</span>
<a name="line-105"></a><span class='definition'>percent</span>
<a name="line-106"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-107"></a> <span class='varid'>c</span> <span class='keyglyph'><-</span> <span class='varid'>char</span> <span class='chr'>'%'</span>
<a name="line-108"></a> <span class='varid'>return</span> <span class='varop'>$!</span> <span class='varid'>mkText</span> <span class='keyglyph'>[</span><span class='varid'>c</span><span class='keyglyph'>]</span>
<a name="line-109"></a>
<a name="line-110"></a><span class='comment'>-- ------------------------------------------------------------</span>
</pre></body>
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