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2010-05-26T08:27:00Z

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в 18:22, 25 мая 2010

2010-05-25T18:22:32Z

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== count elements which occured in XML source==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA>
<BBB id="b1">
<CCC name="q" size="12"/>
<EEE id="e1">
<SSS/>
</EEE>
<CCC weight="45"/>
<CCC/>
</BBB>
</AAA>
<AAA>
<EEE id="e2"/>
<CCC>
<DDD/>
<DDD/>
</CCC>
</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="/">
<TABLE border="1" width="90%">
<TR>
<td>Element</TH>
<td>Occurs</TH>
</TR>
<xsl:for-each select="/descendant::*">
<xsl:variable name="pos" select="position()"/>
<xsl:if test="not(/descendant::*[position() < $pos and name()=name(current())])">
<TR>
<TD>
<xsl:value-of select="name()"/>
</TD>
<TD>
<xsl:value-of select="count(/descendant::*[name()=name(current())])"/>
</TD>
</TR>
</xsl:if>
</xsl:for-each>
<TR>
<td>Total count</TH>
<td>
<xsl:value-of select="count(//*)"/>
</TH>
</TR>
</TABLE>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><TABLE border="1" width="90%"><TR><td>Element</TH><td>Occurs</TH></TR><TR><TD>data</TD><TD>1</TD></TR><TR><TD>AAA</TD><TD>2</TD></TR><TR><TD>BBB</TD><TD>1</TD></TR><TR><TD>CCC</TD><TD>4</TD></TR><TR><TD>EEE</TD><TD>2</TD></TR><TR><TD>SSS</TD><TD>1</TD></TR><TR><TD>DDD</TD><TD>2</TD></TR><TR><td>Total count</TH><td>13</TH></TR></TABLE></source>

== Count matches==



<source lang="xml">
File: Data.xml
<?xml version="1.0"?>
<results group="A">
<match>
<date>10-Jun-98</date>
<team score="2">team 1</team>
<team score="1">team 2</team>
</match>
<match>
<date>10-Jun-98</date>
<team score="2">team 3</team>
<team score="2">team 4</team>
</match>
<match>
<date>16-Jun-98</date>
<team score="1">team 2</team>
<team score="1">team 4</team>
</match>
</results>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="2.0">
<xsl:variable name="teams" select="distinct-values(//team)" />
<xsl:variable name="matches" select="//match" />
<xsl:template match="results">
<league>
<xsl:for-each select="$teams">
<xsl:variable name="this" select="." />
<xsl:variable name="played"
select="count($matches[team=$this])" />
<xsl:variable name="won"
select="count($matches[team[.=$this]/@score > team[.!=$this]/@score])" />
<xsl:variable name="lost"
select="count($matches[team[.=$this]/@score < team[.!=$this]/@score])" />
<xsl:variable name="drawn"
select="count($matches[team[.=$this]/@score = team[.!=$this]/@score])" />
<xsl:variable name="for"
select="sum($matches/team[.=current()]/@score)" />
<xsl:variable name="against"
select="sum($matches[team=current()]/team/@score) - $for" />
<team name="{.}" played="{$played}" won="{$won}"
drawn="{$drawn}" lost="{$lost}" for="{$for}" against="{$against}" />
</xsl:for-each>
</league>
</xsl:template>
</xsl:transform>
Output:
<?xml version="1.0" encoding="UTF-8"?><league>
<team name="team 1" played="1" won="1" drawn="0"
lost="0" for="2" against="1"/><team name="team 2"
played="2" won="0" drawn="1" lost="1" for="2" against="3"/>
<team name="team 3" played="1" won="0" drawn="1" lost="0"
for="2" against="2"/><team name="team 4" played="2" won="0"
drawn="2" lost="0" for="3" against="3"/></league></source>

== Count node==



<source lang="xml">
File: Data.xml
<?xml version="1.0"?>
<?xml-stylesheet type="application/xml" href="Transform.xslt"?>
<people>
<person born="2008" died="2008" id="1">
<name>
<first_name>A</first_name>
<last_name>B</last_name>
</name>
<profession>A</profession>
<profession>B</profession>
<profession>C</profession>
</person>
<person born="2007" died="2007" id="2">
<name>
<first_name>D</first_name>
<middle_initial>E</middle_initial>
<last_name>F</last_name>
</name>
<profession>G</profession>
<hobby>H</hobby>
</person>
</people>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="people">
<xsl:apply-templates select="person"/>
</xsl:template>
<xsl:template match="person">
Person <xsl:value-of select="position()"/>
of <xsl:value-of select="count(//person)"/>:
<xsl:value-of select="name"/>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
Person 1
of 2:

A
B

Person 2
of 2:

D
E
F</source>

== count()- Takes a node-set argument and returns a value equal to the number of nodes in the node-set==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet href="Transform.xslt" type="text/xsl"?>
<europe>
<state>Belgium</state>
<state>Germany</state>
<state>Finland</state>
<state>Greece</state>
<state>San Marino</state>
<state>Switzerland</state>
</europe>

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="text" />
<xsl:template match="europe">
<xsl:text>
Total Number of States: </xsl:text>
<xsl:value-of select="count(state)" />
<xsl:text>

</xsl:text>
<xsl:apply-templates select="state">
<xsl:sort />
</xsl:apply-templates>
</xsl:template>
<xsl:template match="state">
<xsl:text> - </xsl:text>
<xsl:apply-templates />
<xsl:text>
</xsl:text>
</xsl:template>
</xsl:stylesheet>
Output:
Total Number of States: 6
- Belgium
- Finland
- Germany
- Greece
- San Marino
- Switzerland</source>

== The count function returns the number of nodes in the argument node-set.==



<source lang="xml">
File: Data.xml
<?xml version="1.0" encoding="utf-8"?>
<data>
<AAA>
<CCC/>
<BBB>
<CCC>Carl</CCC>
</BBB>
<BBB/>
<BBB/>
</AAA>
<AAA>
<CCC/>
<BBB/>
<BBB>
<CCC>John</CCC>
<CCC>Charles</CCC>
<CCC>Robert</CCC>
<CCC>Anthony</CCC>
</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>//AAA : </xsl:text>
</B>
<xsl:value-of select="count(//AAA)"/>
</DIV>
<DIV>
<B>
<xsl:text>//CCC : </xsl:text>
</B>
<xsl:value-of select="count(//CCC)"/>
</DIV>
<DIV>
<B>
<xsl:text>//AAA/CCC : </xsl:text>
</B>
<xsl:value-of select="count(//AAA/CCC)"/>
</DIV>
<DIV>
<B>
<xsl:text>//CCC[text()]) : </xsl:text>
</B>
<xsl:value-of select="count(//CCC[text()])"/>
</DIV>
</xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?><DIV><B>//AAA : </B>2</DIV><DIV><B>//CCC : </B>7</DIV><DIV><B>//AAA/CCC : </B>2</DIV><DIV><B>//CCC[text()]) : </B>5</DIV></source>

== Use count function in math calculation==



<source lang="xml">
File: Data.xml
<?xml version="1.0"?>
<numbers>
<x>4</x>
<y>3.2</y>
<z>11</z>
</numbers>

File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:output method="xml" omit-xml-declaration="yes" />
<xsl:template match="numbers">
11 + count(*) =
<xsl:value-of select="11+count(*)" />
</xsl:template>
</xsl:stylesheet>
Output:

11 + count(*) =
14</source>

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Admin: 1 версия

в 18:22, 25 мая 2010