XML/XSLT stylesheet/Grouping — различия между версиями

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Текущая версия на 08:26, 26 мая 2010

Addresses grouped by zip code

File: Data.xml
<?xml version="1.0"?>
<addressbook>
  <address>
    <name>
      <title>Mr.</title>
      <first-name>C</first-name>
      <last-name>F</last-name>
    </name>
    <street>1234 Main Street</street>
    <city>Vancouver</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="text"/>
  <xsl:template match="/">
    <xsl:text>Addresses grouped by zip code &#xA;</xsl:text>
    <xsl:for-each select="addressbook/address">
      <xsl:sort select="zip"/>
      <xsl:if test="zip!=preceding-sibling::address[1]/zip">
        <xsl:text>&#xA;Zip code </xsl:text>
        <xsl:value-of select="zip"/>
        <xsl:text> (</xsl:text>
        <xsl:value-of select="city"/>
        <xsl:text>, </xsl:text>
        <xsl:value-of select="state"/>
        <xsl:text>): &#xA;</xsl:text>
      </xsl:if>
      <xsl:if test="name/title">
        <xsl:value-of select="name/title"/>
        <xsl:text> </xsl:text>
      </xsl:if>
      <xsl:value-of select="name/first-name"/>
      <xsl:text> </xsl:text>
      <xsl:value-of select="name/last-name"/>
      <xsl:text>&#xA;</xsl:text>
      <xsl:value-of select="street"/>
      <xsl:text>&#xA;&#xA;</xsl:text>
    </xsl:for-each>
  </xsl:template>
</xsl:stylesheet>
Output:
Addresses grouped by zip code 
Mr. C F
1234 Main Street



Grouping in XSLT

File: Data.xml
<?xml version="1.0"?>
<html>
  <body>
    <h2>A</h2>
    <p class="item">A</p>
    <p class="item">B</p>
    <p class="note">C</p>
    <p class="note">D</p>
    <p class="note">E</p>
    <p class="item">F</p>
    <h2>B</h2>
    <p class="item">b1</p>
    <p class="item">b2</p>
    <p class="note">b3</p>
    <p class="item">b4</p>
  </body>
</html>

File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="2.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="xml" indent="yes"/>
  <xsl:template match="/">
    <chapter>
      <title>Grouping in XSLT</title>
      <xsl:apply-templates select="html/body"/>
    </chapter>
  </xsl:template>
  <xsl:template match="body">
    <xsl:for-each-group select="*" group-starting-with="h1">
      <sect1>
        <xsl:apply-templates select="current-group()"/>
      </sect1>
    </xsl:for-each-group>
  </xsl:template>
  <xsl:template match="h1">
    <title>
      <xsl:apply-templates/>
    </title>
  </xsl:template>
  <xsl:template match="p">
    <para>
      <xsl:apply-templates/>
    </para>
  </xsl:template>
  <xsl:template match="*">
    <xsl:copy>
      <xsl:copy-of select="@*"/>
      <xsl:apply-templates/>
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>
Output:
<?xml version="1.0" encoding="UTF-8"?>
<chapter>
   <title>Grouping in XSLT</title>
   <sect1>
      <h2>A</h2>
      <para>A</para>
      <para>B</para>
      <para>C</para>
      <para>D</para>
      <para>E</para>
      <para>F</para>
      <h2>B</h2>
      <para>b1</para>
      <para>b2</para>
      <para>b3</para>
      <para>b4</para>
   </sect1>
</chapter>



Grouping with group-adjacent

File: Data.xml
<?xml version="1.0"?>
<html>
  <body>
    <h2>A</h2>
    <p class="item">A <code>key</code>.</p>
    <p class="item">B</p>
    <p class="note">C</p>
    <p class="note">D</p>
    <p class="note">E</p>
    <p class="item">F.</p>
    <h2>B</h2>
    <p class="item">G</p>
    <p class="item">H</p>
    <p class="note">T</p>
    <p class="item">I</p>
  </body>
</html>
File: Transform.xslt
<?xml version="1.0"?>
<xsl:stylesheet version="2.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="html" include-content-type="no"/>
  <xsl:template match="/">
    <html>
      <head>
        <title>Grouping with group-adjacent</title>
      </head>
      <body>
        <xsl:for-each-group select="html/body/*"
          group-adjacent="boolean(self::p)">
          <xsl:choose>
            <xsl:when test="current-grouping-key()">
              <ul>
                <xsl:for-each select="current-group()">
                  <li>
                    <xsl:copy-of select="@*"/>
                    <xsl:apply-templates select="*|text()"/>
                  </li>
                </xsl:for-each>
              </ul>
            </xsl:when>
            <xsl:otherwise>
              <xsl:for-each select="current-group()">
                <xsl:apply-templates select="."/>
              </xsl:for-each>
            </xsl:otherwise>
          </xsl:choose>
        </xsl:for-each-group>
      </body>
    </html>
  </xsl:template>
  <xsl:template match="*">
    <xsl:copy>
      <xsl:copy-of select="@*"/>
      <xsl:apply-templates/>
    </xsl:copy>
  </xsl:template>
</xsl:stylesheet>
Output:
<html>
   <head>
      <title>Grouping with group-adjacent</title>
   </head>
   <body>
      <h2>A</h2>
      <ul>
         <li class="item">A <code>key</code>.
         </li>
         <li class="item">B</li>
         <li class="note">C</li>
         <li class="note">D</li>
         <li class="note">E</li>
         <li class="item">F.</li>
      </ul>
      <h2>B</h2>
      <ul>
         <li class="item">G</li>
         <li class="item">H</li>
         <li class="note">T</li>
         <li class="item">I</li>
      </ul>
   </body>
</html>