Hello guys,
I detected a trouble issue around the difference of <xsl:sequence> and
<xsl:value-of> of a string variable (xs:string type).
For me, the result of these both xsl element should be the same. But it
seems not in fact. I don't understand why. Please help me :) !
The context of use is recursive call of an function containing
<xsl:analyse-string>.
The result is different when <xsl:sequence> is used : some white spaces is
inserted.
With <xsl:value-of> : no white spaces inserted => expected result.
Here's the xsl stylesheet : the trouble issue is in
"xfe:replace-multiple-text-to-mix()" function, around the <xsl:otherwise>
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
xmlns:xd="http://www.oxygenxml.com/ns/doc/xsl"
xmlns:els="http://www.lefebvre-sarrut.eu/ns/els"
xmlns:xfe="http://www.lefebvre-sarrut.eu/ns/xmlfirst/xmlEditor"
exclude-result-prefixes="#all"
version="3.0">
<xd:doc scope="stylesheet">
<xd:desc>
<xd:p>Correct typos : manage french exposants</xd:p>
</xd:desc>
</xd:doc>
<xsl:output encoding="UTF-8" indent="no" method="xml"/>
<xd:doc>
<xd:desc>Manage French Exposants</xd:desc>
</xd:doc>
<xsl:variable name="xfe:french-exposants-rules"
as="element(els:replace-list)">
<!-- for all rules : 2nd group is modified -->
<replace-list xmlns="http://www.lefebvre-sarrut.eu/ns/els"
xml:space="preserve">
<replace flags=";j">
<pattern>([0-9]+)(er?|ère|nd|ème)</pattern>
<element name="e">e</element>
</replace>
<replace flags=";j">
<pattern>(.*n)([°o])( *[0-9]+)</pattern>
<element name="e">o</element>
</replace>
</replace-list>
</xsl:variable>
<!-- ======================================================= -->
<!-- INIT -->
<!-- ======================================================= -->
<xd:doc>
<xd:desc>
<xd:p>Correct exposants</xd:p>
</xd:desc>
</xd:doc>
<xsl:template match="/">
<xsl:variable name="step" select="." as="document-node()"/>
<!-- single characters -->
<xsl:variable name="step" as="document-node()">
<xsl:document>
<xsl:apply-templates select="$step" mode="xfe:french.exposants"/>
</xsl:document>
</xsl:variable>
<xsl:sequence select="$step"/>
</xsl:template>
<!-- ======================================================= -->
<!-- MAIN - mode="xfe:french.exposants" -->
<!-- ======================================================= -->
<xd:doc>
<xd:desc>
<xd:p>Manage exposant into the text()</xd:p>
</xd:desc>
</xd:doc>
<xsl:template match="text()" mode="xfe:french.exposants">
<xsl:variable name="string" select="." as="xs:string"/>
<xsl:variable name="nsUri" select="namespace-uri(..)" as="xs:anyURI"/>
<xsl:sequence select="xfe:replace-multiple-text-to-mix($string,
$xfe:french-exposants-rules/els:replace, $nsUri)"/>
</xsl:template>
<xd:doc>
<xd:desc>
<xd:p>Replace text() to mix (element + text())</xd:p>
</xd:desc>
<xd:param name="string">text to parse</xd:param>
<xd:param name="replace">sequence of <els:replace>
elements</xd:param>
<xd:param name="namespace">namespace of the new element</xd:param>
</xd:doc>
<xsl:function name="xfe:replace-multiple-text-to-mix" as="item()*">
<xsl:param name="string" as="xs:string"/>
<xsl:param name="replace" as="element(els:replace)*"/>
<xsl:param name="namespace" as="xs:anyURI"/>
<xsl:choose>
<xsl:when test="count($replace) > 0">
<xsl:analyze-string regex="{$replace[1]/els:pattern}"
select="$string">
<xsl:matching-substring>
<xsl:variable name="e" as="element()">
<xsl:element name="{$replace[1]/els:element/@name}"
namespace="{$namespace}">
<xsl:sequence select="$replace[1]/els:element/string()"/>
</xsl:element>
</xsl:variable>
<xsl:sequence select="(regex-group(1), $e,
if(normalize-space(regex-group(3)) != '') then(regex-group(3)) else())"/>
</xsl:matching-substring>
<xsl:non-matching-substring>
<xsl:sequence select="xfe:replace-multiple-text-to-mix(.,
$replace[position() > 1], $namespace)"/>
</xsl:non-matching-substring>
</xsl:analyze-string>
</xsl:when>
<xsl:otherwise><xsl:sequence select="$string"/></xsl:otherwise>
</xsl:choose>
</xsl:function>
<xd:doc>
<xd:desc>
<xd:p>Default template mode="xfe:french.exposants"</xd:p>
</xd:desc>
</xd:doc>
<xsl:template match="node() | @*" mode="xfe:french.exposants"
priority="-1">
<xsl:copy>
<xsl:apply-templates select="node() | @*" mode="#current"/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
And the Xspec XML source file is :
<?xml version="1.0" encoding="UTF-8"?>
<root>
<text> 1e n° 125 1er 10e </text>
<text> no 125</text>
<text> no </text>
<text> 1er 10e </text>
<text>1e </text>
<text>2e </text>
<text>3e </text>
<text>4e </text>
<text>5e </text>
<text>6e </text>
<text>7e </text>
<text>8e </text>
<text>9e </text>
<text>10e </text>
<text>1er,</text>
<text>1e,</text>
<text>2e,</text>
<text>3e,</text>
<text>4e,</text>
<text>5e,</text>
<text>6e,</text>
<text>7e,</text>
<text>8e,</text>
<text>9e,</text>
<text>10e,</text>
</root>
The results : (please see 1st and 4th line in particular)
- with "<xsl:otherwise><xsl:sequence select="$string"/></xsl:otherwise>" :
(unexpected result)
<?xml version="1.0" encoding="UTF-8"?>
<root>
<text> 1<e>e</e> n<e>o</e> 125 1<e>e</e> 10<e>e</e> </text>
<text> n<e>o</e> 125</text>
<text> no </text>
<text> 1<e>e</e> 10<e>e</e> </text>
<text>1<e>e</e> </text>
<text>2<e>e</e> </text>
<text>3<e>e</e> </text>
<text>4<e>e</e> </text>
<text>5<e>e</e> </text>
<text>6<e>e</e> </text>
<text>7<e>e</e> </text>
<text>8<e>e</e> </text>
<text>9<e>e</e> </text>
<text>10<e>e</e> </text>
<text>1<e>e</e>,</text>
<text>1<e>e</e>,</text>
<text>2<e>e</e>,</text>
<text>3<e>e</e>,</text>
<text>4<e>e</e>,</text>
<text>5<e>e</e>,</text>
<text>6<e>e</e>,</text>
<text>7<e>e</e>,</text>
<text>8<e>e</e>,</text>
<text>9<e>e</e>,</text>
<text>10<e>e</e>,</text>
</root>
- with "<xsl:otherwise><xsl:value-of select="$string"/></xsl:otherwise>"
(expected result)
<?xml version="1.0" encoding="UTF-8"?><root>
<text> 1<e>e</e> n<e>o</e> 125 1<e>e</e> 10<e>e</e> </text>
<text> n<e>o</e> 125</text>
<text> no </text>
<text> 1<e>e</e> 10<e>e</e> </text>
<text>1<e>e</e> </text>
<text>2<e>e</e> </text>
<text>3<e>e</e> </text>
<text>4<e>e</e> </text>
<text>5<e>e</e> </text>
<text>6<e>e</e> </text>
<text>7<e>e</e> </text>
<text>8<e>e</e> </text>
<text>9<e>e</e> </text>
<text>10<e>e</e> </text>
<text>1<e>e</e>,</text>
<text>1<e>e</e>,</text>
<text>2<e>e</e>,</text>
<text>3<e>e</e>,</text>
<text>4<e>e</e>,</text>
<text>5<e>e</e>,</text>
<text>6<e>e</e>,</text>
<text>7<e>e</e>,</text>
<text>8<e>e</e>,</text>
<text>9<e>e</e>,</text>
<text>10<e>e</e>,</text>
</root>
Direct test of this function with XSpec :
for each case, here's the result I have (the source is the 1st line) :
- <xsl:sequence> use : (' ', '1', xs:anyAtomicType('e'), ' n',
xs:anyAtomicType('o'), ' 125', ' ', '1', xs:anyAtomicType('e'), ' ', '10',
xs:anyAtomicType('e'), ' ')
- <xsl:value-of> use : (xs:anyAtomicType(' '), '1', xs:anyAtomicType('e'),
' n', xs:anyAtomicType('o'), ' 125', xs:anyAtomicType(' '), '1',
xs:anyAtomicType('e'), xs:anyAtomicType(' '), '10', xs:anyAtomicType('e'),
xs:anyAtomicType(' '))
XPath /n
If you agree, I could add the xspec file I use for this.
Please, could you explain me why there is this difference of white spaces ?
Thanks in advance,
Fred
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