XML Tutorial/XSLT stylesheet/generate id — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Текущая версия на 08:26, 26 мая 2010
Содержание
Assign value from generate-id(.) to attribute
File: Data.xml
<?xml version="1.0"?>
<greet>
<greeting xml:lang="en">Welcome</greeting>
<greeting xml:lang="fr">Bienvenue</greeting>
<greeting xml:lang="es">Bienvenido</greeting>
<greeting xml:lang="de">Willkommen</greeting>
</greet>
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="greeting.dtd" />
<xsl:template match="greet">
<xsl:element name="greeting">
<xsl:apply-templates select="greeting" />
</xsl:element>
</xsl:template>
<xsl:template match="greeting">
<xsl:element name="welcome">
<xsl:attribute name="xml:lang"><xsl:value-of
select="@xml:lang" />
</xsl:attribute>
<xsl:attribute name="id"><xsl:value-of
select="generate-id(.)" />
</xsl:attribute>
<xsl:value-of select="current()" />
</xsl:element>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE greeting
SYSTEM "greeting.dtd">
<greeting>
<welcome xml:lang="en" id="d2e3">Welcome</welcome>
<welcome xml:lang="fr" id="d2e6">Bienvenue</welcome>
<welcome xml:lang="es" id="d2e9">Bienvenido</welcome>
<welcome xml:lang="de" id="d2e12">Willkommen</welcome>
</greeting>
for-each select=/addressbook/address[generate-id(.)=generate-id(key(zipcodes, zip)[1])]
File: Data.xml
<?xml version="1.0"?>
<addressbook>
<address>
<name>
<title>Mr.</title>
<first-name>Doris</first-name>
<last-name>Smith</last-name>
</name>
<street>1234 Main Street</street>
<city>Sheboygan</city>
<state>WI</state>
<zip>48392</zip>
</address>
</addressbook>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html"/>
<xsl:key name="zipcodes" match="address" use="zip"/>
<xsl:template match="/">
<html>
<head>
<title>Customers grouped by Zip code</title>
</head>
<body>
<table border="1" cellpadding="5">
<xsl:for-each select="/addressbook/address[generate-id(.)=generate-id(key("zipcodes", zip)[1])]">
<xsl:sort select="zip"/>
<xsl:for-each select="key("zipcodes", zip)">
<xsl:sort select="name/last-name"/>
<xsl:sort select="name/first-name"/>
<tr>
<xsl:if test="position() = 1">
<td rowspan="{count(key("zipcodes", zip))}">
<xsl:text>Zip code </xsl:text>
<br/>
<span style="font-size: 150%;">
<xsl:value-of select="zip"/>
</span>
<br/>
<xsl:value-of select="city"/>
<xsl:text>, </xsl:text>
<xsl:value-of select="state"/>
</td>
</xsl:if>
<td>
<xsl:value-of select="name/first-name"/>
<xsl:text> </xsl:text>
<span>
<xsl:value-of select="name/last-name"/>
</span>
</td>
<td>
<xsl:value-of select="street"/>
</td>
</tr>
</xsl:for-each>
</xsl:for-each>
</table>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
Output:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Customers grouped by Zip code</title>
</head>
<body>
<table border="1" cellpadding="5">
<tr>
<td rowspan="1">Zip code <br><span style="font-size: 150%;">48392</span><br>Sheboygan, WI
</td>
<td>Doris <span>Smith</span></td>
<td>1234 Main Street</td>
</tr>
</table>
</body>
</html>
generate-id() generates id conforming to XML spec
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA name="top">
<BBB pos="1" val="bbb">11111</BBB>
<BBB>22222</BBB>
</AAA>
<AAA name="bottom">
<BBB>33333</BBB>
<BBB>44444</BBB>
</AAA>
</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="/">
<DIV>
<B>
<xsl:text>generate-id(//AAA) : </xsl:text>
</B>
<xsl:value-of select="generate-id(//AAA) "/>
</DIV>
<DIV>
<B>
<xsl:text>generate-id(//BBB) : </xsl:text>
</B>
<xsl:value-of select="generate-id(//BBB) "/>
</DIV>
<DIV>
<B>
<xsl:text>generate-id(//AAA[1]) : </xsl:text>
</B>
<xsl:value-of select="generate-id(//AAA[1]) "/>
</DIV>
<DIV>
<B>
<xsl:text>generate-id(//*[1]) : </xsl:text>
</B>
<xsl:value-of select="generate-id(//*[1]) "/>
</DIV>
<DIV>
<B>
<xsl:text>generate-id(//xslTutorial/*[1]) : </xsl:text>
</B>
<xsl:value-of select="generate-id(//xslTutorial/*[1]) "/>
</DIV>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><DIV><B>generate-id(//AAA) : </B>d2e3</DIV><DIV><B>generate-id(//BBB) : </B>d2e5</DIV><DIV><B>generate-id(//AAA[1]) : </B>d2e3</DIV><DIV><B>generate-id(//*[1]) : </B>d2e1</DIV><DIV><B>generate-id(//xslTutorial/*[1]) : </B></DIV>
uses generate-id() to add id to all elements in source XML.
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA name="top">
<BBB pos="1" val="bbb">11111</BBB>
<BBB>22222</BBB>
</AAA>
<AAA name="bottom">
<BBB>33333</BBB>
<BBB>44444</BBB>
</AAA>
</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="*">
<xsl:copy>
<xsl:attribute name="id"><xsl:value-of select="generate-id()"/></xsl:attribute>
<xsl:for-each select="@*">
<xsl:attribute name="{name()}"><xsl:value-of select="."/></xsl:attribute>
</xsl:for-each>
<xsl:apply-templates/>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><data id="d2e1">
<AAA id="d2e3" name="top">
<BBB id="d2e5" pos="1" val="bbb">11111</BBB>
<BBB id="d2e8">22222</BBB>
</AAA>
<AAA id="d2e12" name="bottom">
<BBB id="d2e14">33333</BBB>
<BBB id="d2e17">44444</BBB>
</AAA>
</data>