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2010-05-26T08:26:57Z

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в 18:22, 25 мая 2010

2010-05-25T18:22:32Z

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== A way how to recover the value of global variable which has the same name as a local one==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<chapter>Chapter A</chapter>
<chapter>Chapter B</chapter>
<chapter>Chapter C</chapter>
<chapter>Chapter D</chapter>
</data>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:variable name="text">Chapter</xsl:variable>
<xsl:template match="/">
<TABLE>
<xsl:for-each select="//chapter">
<TR>
<TD>
<xsl:variable name="text">
<xsl:choose>
<xsl:when test="position() = 1">First chapter</xsl:when>
<xsl:when test="position()=last()">Last chapter</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$text"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:value-of select="$text"/>
<xsl:text> : </xsl:text>
<xsl:value-of select="."/>
</TD>
</TR>
</xsl:for-each>
</TABLE>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE><TR><TD>First chapter : Chapter A</TD></TR><TR><TD>Chapter : Chapter B</TD></TR><TR><TD>Chapter : Chapter C</TD></TR><TR><TD>Last chapter : Chapter D</TD></TR></TABLE></source>

== Define parameter==



<source lang="xml">
File: Data.xml
<?xml version="1.0"?>
<!DOCTYPE catalog SYSTEM "price.dtd">
<catalog>
<item id="SC-0001">
<maker>A</maker>
<description>W</description>
<size>L</size>
<price>120.00</price>
<currency>USD</currency>
</item>
</catalog>

File: Transform.xslt
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" />
<xsl:output doctype-system="catalog.dtd" />
<xsl:param name="discount" select="0.10" />
<xsl:template match="catalog">
<xsl:copy>
<xsl:apply-templates select="item" />
</xsl:copy>
</xsl:template>
<xsl:template match="item">
<xsl:copy>
<xsl:attribute name="id"><xsl:value-of select="@id" />
</xsl:attribute>
<xsl:copy-of select="maker|description|size|price" />
<discount>
<xsl:value-of select="$discount" />
</discount>
<discountPrice>
<xsl:value-of select="price - (price * $discount)" />
</discountPrice>
<xsl:copy-of select="currency" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE catalog
SYSTEM "catalog.dtd">
<catalog>
<item id="SC-0001">
<maker>A</maker>
<description>W</description>
<size>L</size>
<price>120.00</price>
<discount>0.1</discount>
<discountPrice>108</discountPrice>
<currency>USD</currency>
</item>
</catalog></source>

== If you want to pass a variable, you have to define this variable with xsl:param element.==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<number>1</number>
<number>3</number>
<number>4</number>
<number>17</number>
<number>8</number>
</data>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
<TABLE>
<xsl:for-each select="//number">
<TR>
<td>
<xsl:choose>
<xsl:when test="text() mod 2">
<xsl:apply-templates select=".">
<xsl:with-param name="type">odd</xsl:with-param>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="."/>
</xsl:otherwise>
</xsl:choose>
</TH>
</TR>
</xsl:for-each>
</TABLE>
</xsl:template>
<xsl:template match="number">
<xsl:param name="type">even</xsl:param>
<xsl:value-of select="."/>
<xsl:text> (</xsl:text>
<xsl:value-of select="$type"/>
<xsl:text>)</xsl:text>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE><TR><td>1 (odd)</TH></TR><TR><td>3 (odd)</TH></TR><TR><td>4 (even)</TH></TR><TR><td>17 (odd)</TH></TR><TR><td>8 (even)</TH></TR></TABLE></source>

== setting xsl:param==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<chapter>Chapter A</chapter>
<chapter>Chapter B</chapter>
<chapter>Chapter C</chapter>
<chapter>Chapter D</chapter>
</data>
File: Transform.xslt
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:param name="totalChapters" select="count(//chapter)"/>
<xsl:template match="/">
<TABLE>
<xsl:for-each select="//chapter">
<TR>
<TD>
<xsl:value-of select="."/>
<xsl:text> (</xsl:text>
<xsl:value-of select="position()"/>
<xsl:text>/</xsl:text>
<xsl:value-of select="$totalChapters"/>
<xsl:text>)</xsl:text>
</TD>
</TR>
</xsl:for-each>
</TABLE>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE><TR><TD>Chapter A (1/4)</TD></TR><TR><TD>Chapter B (2/4)</TD></TR><TR><TD>Chapter C (3/4)</TD></TR><TR><TD>Chapter D (4/4)</TD></TR></TABLE></source>

== template with parameter==



<source lang="xml">
File: Data.xml
<?xml version="1.0"?>
<catalog>
<item id="SC-0001">
<maker>factory</maker>
<description>car part</description>
<size>L</size>
<price>120.00</price>
<currency>USD</currency>
</item>
</catalog>

File: Transform.xslt
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" />
<xsl:output doctype-system="catalog.dtd" />
<xsl:template match="catalog">
<xsl:copy>
<xsl:apply-templates select="item">
<xsl:with-param name="discount" select=""0.50"" />
</xsl:apply-templates>
</xsl:copy>
</xsl:template>
<xsl:template match="item">
<xsl:param name="discount" />
<xsl:copy>
<xsl:attribute name="id"><xsl:value-of select="@id" />
</xsl:attribute>
<xsl:copy-of select="maker|description|size|price" />
<discount>
<xsl:value-of select="$discount" />
</discount>
<discountPrice>
<xsl:value-of select="price - (price * $discount)" />
</discountPrice>
<xsl:copy-of select="currency" />
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE catalog
SYSTEM "catalog.dtd">
<catalog>
<item id="SC-0001">
<maker>factory</maker>
<description>car part</description>
<size>L</size>
<price>120.00</price>
<discount>0.50</discount>
<discountPrice>60</discountPrice>
<currency>USD</currency>
</item>
</catalog></source>

== Variable and parameter==



<source lang="xml">
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="text" />
<xsl:param name="startX" />
<xsl:param name="baseColor" />
<xsl:variable name="newline">
<xsl:text></xsl:text>
</xsl:variable>
<xsl:template match="/">
<xsl:value-of select="$newline" />
<xsl:text>Global parameters example</xsl:text>
<xsl:value-of select="$newline" />
<xsl:value-of select="$newline" />
<xsl:text>The value of startX is: </xsl:text>
<xsl:value-of select="$startX" />
<xsl:value-of select="$newline" />
<xsl:text>The value of baseColor is: </xsl:text>
<xsl:value-of select="$baseColor" />
<xsl:value-of select="$newline" />
</xsl:template>
</xsl:stylesheet>
Output:
Global parameters exampleThe value of startX is: The value of baseColor is:</source>

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Admin: 1 версия

в 18:22, 25 мая 2010