hxt-8.0.0: doc/hdoc/src/Text-XML-HXT-Parser-DefaultURI.html
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<pre><a name="line-1"></a><span class='comment'>-- ------------------------------------------------------------</span>
<a name="line-2"></a><span class='comment'>--</span>
<a name="line-3"></a><span class='comment'>-- defaut uri computation</span>
<a name="line-4"></a><span class='comment'>-- this routine is platform dependent</span>
<a name="line-5"></a><span class='comment'>-- and must be exchanged when porting the toolbox e.g. to windows</span>
<a name="line-6"></a><span class='comment'>--</span>
<a name="line-7"></a><span class='comment'>-- Version : $Id: DefaultURI.hs,v 1.4 2006/03/02 10:13:57 hxml Exp $</span>
<a name="line-8"></a>
<a name="line-9"></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'>DefaultURI</span>
<a name="line-10"></a> <span class='layout'>(</span> <span class='varid'>setDefaultURI</span>
<a name="line-11"></a> <span class='layout'>)</span>
<a name="line-12"></a>
<a name="line-13"></a><span class='keyword'>where</span>
<a name="line-14"></a>
<a name="line-15"></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'>XmlTree</span>
<a name="line-16"></a>
<a name="line-17"></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'>XmlState</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='keyword'>import</span> <span class='conid'>System</span><span class='varop'>.</span><span class='conid'>Directory</span>
<a name="line-20"></a> <span class='layout'>(</span> <span class='varid'>getCurrentDirectory</span>
<a name="line-21"></a> <span class='layout'>)</span>
<a name="line-22"></a>
<a name="line-23"></a><span class='keyword'>import</span> <span class='conid'>Network</span><span class='varop'>.</span><span class='conid'>URI</span>
<a name="line-24"></a> <span class='layout'>(</span> <span class='varid'>escapeURIChar</span>
<a name="line-25"></a> <span class='layout'>,</span> <span class='varid'>isUnescapedInURI</span>
<a name="line-26"></a> <span class='layout'>)</span>
<a name="line-27"></a>
<a name="line-28"></a><a name="setDefaultURI"></a><span class='definition'>setDefaultURI</span> <span class='keyglyph'>::</span> <span class='conid'>XState</span> <span class='varid'>state</span> <span class='conid'>()</span>
<a name="line-29"></a><span class='definition'>setDefaultURI</span>
<a name="line-30"></a> <span class='keyglyph'>=</span> <span class='keyword'>do</span>
<a name="line-31"></a> <span class='varid'>wd</span> <span class='keyglyph'><-</span> <span class='varid'>io</span> <span class='varid'>getCurrentDirectory</span>
<a name="line-32"></a> <span class='varid'>setSysParam</span> <span class='varid'>transferDefaultURI</span> <span class='layout'>(</span><span class='str'>"file://"</span> <span class='varop'>++</span> <span class='varid'>normalize</span> <span class='varid'>wd</span> <span class='varop'>++</span> <span class='str'>"/"</span><span class='layout'>)</span>
<a name="line-33"></a>
<a name="line-34"></a> <span class='keyword'>where</span>
<a name="line-35"></a>
<a name="line-36"></a> <span class='comment'>-- under Windows getCurrentDirectory returns something like: "c:\path\to\file"</span>
<a name="line-37"></a> <span class='comment'>-- backslaches are not allowed in URIs and paths must start with a /</span>
<a name="line-38"></a> <span class='comment'>-- so this is transformed into "/c:/path/to/file"</span>
<a name="line-39"></a>
<a name="line-40"></a> <span class='varid'>normalize</span> <span class='varid'>wd'</span><span class='keyglyph'>@</span><span class='layout'>(</span><span class='varid'>d</span> <span class='conop'>:</span> <span class='chr'>':'</span> <span class='conop'>:</span> <span class='keyword'>_</span><span class='layout'>)</span>
<a name="line-41"></a> <span class='keyglyph'>|</span> <span class='varid'>d</span> <span class='varop'>`elem`</span> <span class='keyglyph'>[</span><span class='chr'>'A'</span><span class='keyglyph'>..</span><span class='chr'>'Z'</span><span class='keyglyph'>]</span> <span class='varop'>||</span> <span class='varid'>d</span> <span class='varop'>`elem`</span> <span class='keyglyph'>[</span><span class='chr'>'a'</span><span class='keyglyph'>..</span><span class='chr'>'z'</span><span class='keyglyph'>]</span>
<a name="line-42"></a> <span class='keyglyph'>=</span> <span class='chr'>'/'</span> <span class='conop'>:</span> <span class='varid'>concatMap</span> <span class='varid'>win32ToUriChar</span> <span class='varid'>wd'</span>
<a name="line-43"></a> <span class='varid'>normalize</span> <span class='varid'>wd'</span>
<a name="line-44"></a> <span class='keyglyph'>=</span> <span class='varid'>concatMap</span> <span class='varid'>escapeNonUriChar</span> <span class='varid'>wd'</span>
<a name="line-45"></a>
<a name="line-46"></a> <span class='varid'>win32ToUriChar</span> <span class='chr'>'\\'</span> <span class='keyglyph'>=</span> <span class='str'>"/"</span>
<a name="line-47"></a> <span class='varid'>win32ToUriChar</span> <span class='varid'>c</span> <span class='keyglyph'>=</span> <span class='varid'>escapeNonUriChar</span> <span class='varid'>c</span>
<a name="line-48"></a>
<a name="line-49"></a> <span class='varid'>escapeNonUriChar</span> <span class='varid'>c</span> <span class='keyglyph'>=</span> <span class='varid'>escapeURIChar</span> <span class='varid'>isUnescapedInURI</span> <span class='varid'>c</span> <span class='comment'>-- from Network.URI</span>
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