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Better implementation for loading files from a ZIP #75

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ce7c1eb
Better implementation for loading files from a ZIP
bertfrees Sep 17, 2019
329ab1b
Add missing import
bertfrees Apr 15, 2020
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37 changes: 8 additions & 29 deletions src/main/resources/content/xml/xproc/utils/load.xpl
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" xmlns:c="http://www.w3.org/ns/xproc-step" name="main" type="pxi:load" xmlns:cx="http://xmlcalabash.com/ns/extensions" version="1.0" xmlns:pxi="http://www.daisy.org/ns/xprocspec/xproc-internal/">
<p:declare-step xmlns:p="http://www.w3.org/ns/xproc" xmlns:c="http://www.w3.org/ns/xproc-step" name="main" type="pxi:load" version="1.0" xmlns:pxi="http://www.daisy.org/ns/xprocspec/xproc-internal/">

<p:output port="result"/>

Expand Down Expand Up @@ -59,61 +59,40 @@
<p:sink/>

<p:choose>
<p:when test="contains($href, '!/')">
<pxi:message>
<p:input port="source">
<p:inline>
<doc/>
</p:inline>
</p:input>
<p:with-option name="message" select="replace($href, '^([^!]+)!/(.+)$', 'loading $2 from ZIP $1')"/>
<p:with-option name="logfile" select="$logfile">
<p:empty/>
</p:with-option>
</pxi:message>
<p:sink/>
<cx:unzip>
<!--
note that "file" needs to be specified before "href" because otherwise $href
variable in select part is affected
-->
<p:with-option name="file" select="replace($href, '^([^!]+)!/(.+)$', '$2')"/>
<p:with-option name="href" select="replace($href, '^([^!]+)!/(.+)$', '$1')"/>
</cx:unzip>
</p:when>
<p:variable name="href-maybe-in-zip" select="if (contains($href,'!/')) then replace($href,'^file:','jar:file:') else $href"/>

<!-- Force HTML -->
<p:when test="$method='html'">
<pxi:html-load>
<p:with-option name="href" select="$href"/>
<p:with-option name="href" select="$href-maybe-in-zip"/>
</pxi:html-load>
</p:when>

<!-- XML -->
<p:when test="$method='xml'">
<p:load>
<p:with-option name="href" select="$href"/>
<p:with-option name="href" select="$href-maybe-in-zip"/>
</p:load>
</p:when>

<!-- text -->
<p:when test="$method='text'">
<pxi:load-text>
<p:with-option name="href" select="$href"/>
<p:with-option name="href" select="$href-maybe-in-zip"/>
</pxi:load-text>
</p:when>

<!-- HTML -->
<p:when test="matches(lower-case($href),'\.x?html?$')">
<p:when test="matches(lower-case($href-maybe-in-zip),'\.x?html?$')">
<pxi:html-load>
<p:with-option name="href" select="$href"/>
<p:with-option name="href" select="$href-maybe-in-zip"/>
</pxi:html-load>
</p:when>

<!-- default to 'binary' -->
<p:otherwise>
<pxi:load-binary>
<p:with-option name="href" select="$href"/>
<p:with-option name="href" select="$href-maybe-in-zip"/>
</pxi:load-binary>
</p:otherwise>
</p:choose>
Expand Down