xml - 按键:选择前一个同级节点的最后一个子节点

Question

我有以下格式的（格式错误的DITA）XML：

<dl>
<dlentry><dt>BLARG</dt>
<dd>BLARG Definition</dd>
<dt>BLARG2</dt>
<dd>BLARG2 Definition</dd></dlentry>
</dl>
<dl>
<dlentry><dt>BLARG3</dt>
<dd>BLARG3 Definition</dd></dlentry>
</dl>
<p>Continuation of BLARG3 definition.</p>
<note>Note pertaining to BLARG3 definition</note>

等等。

我正在尝试将这一系列 <dl>元素合并为一个 <dl>，看起来像这样：

<dl>
    <dlentry><dt>BLARG</dt>
       <dd>BLARG Definition</dd></dlentry>
    <dlentry><dt>BLARG2</dt>
       <dd>BLARG2 Definition</dd></dlentry>
    <dlentry><dt>BLARG3</dt>
       <dd>BLARG3 definition. Continuation of BLARG3 definition.
       <note>Note pertaining to BLARG3 definition</note></dd></dlentry>
<dl>

我试图根据先前的 <p>的 <note>值使用键为任何 generate-id()或 <dd>节点建立索引，如下所示：

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:key name="kFollowing" match="p|note|table" use="generate-id(preceding::dd[1])"/>
  <!-- identity template -->
<xsl:template match="@*|node()" name="identity">
    <xsl:copy>
        <xsl:apply-templates select="@*|node()"/>
    </xsl:copy>
</xsl:template>
<xsl:template match="dl">
    <xsl:choose>
        <xsl:when test="count(preceding::dl)=0">
            <!--We only want to process the first dl. All others should be ignored, because their content will get included in this one.-->
            <dl>
                <!--Want to grab all following terms, except ones that contain phrase elements, which need to be turned into a table because they are field values-->
                <xsl:for-each select="following::dt[not(child::ph)]|descendant::dt">
                    <dlentry>
<dt><xsl:value-of select="normalize-space(.)"/></dt>
                        <xsl:variable name="ddID"><xsl:value-of select="generate-id(following::dd[1])"/></xsl:variable>
                        <dd><xsl:for-each select="following::dd[1]">
                            <xsl:apply-templates/><xsl:text>. </xsl:text>
                        </xsl:for-each>
                            <xsl:variable name="ddKey" select="key('kFollowing',generate-id(following::dd[1]))"/>
                            <xsl:for-each select="following::*[$ddKey]">
                               <xsl:apply-templates/>
</xsl:for-each>
                        </dd>
                    </dlentry>
                </xsl:for-each>
            </dl>   
        </xsl:when>
        <xsl:otherwise/>
    </xsl:choose>
</xsl:template>

Answer 1

此转换：

<xsl:stylesheet version="1.0"
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
     <xsl:output omit-xml-declaration="yes" indent="yes"/>
     <xsl:strip-space elements="*"/>

     <xsl:key name="kFollowing" match="p|note"
      use="generate-id(preceding-sibling::dl[1]/dlentry)"/>

     <xsl:template match="node()|@*">
         <xsl:copy>
           <xsl:apply-templates select="node()|@*"/>
         </xsl:copy>
     </xsl:template>

     <xsl:template match="dl[1]">
      <dl>
       <xsl:apply-templates select="../dl/dlentry"/>
      </dl>
     </xsl:template>

     <xsl:template match="dd">
      <dd>
        <xsl:value-of select="."/>
        <xsl:copy-of select="key('kFollowing', generate-id(..))/self::p/text()"/>
        <xsl:copy-of select="key('kFollowing', generate-id(..))/self::note"/>
      </dd>
     </xsl:template>
     <xsl:template match="dl|p|note"/>
</xsl:stylesheet>

当应用于以下XML文档（提供的片段包装在单个top元素中）时：

<t>
    <dl>
        <dlentry>
            <dt>BLARG</dt>
            <dd>BLARG Definition</dd>
            <dt>BLARG2</dt>
            <dd>BLARG2 Definition</dd>
        </dlentry>
    </dl>
    <dl>
        <dlentry>
            <dt>BLARG3</dt>
            <dd>BLARG3 Definition</dd>
        </dlentry>
    </dl>
    <p>Continuation of BLARG3 definition.</p>
    <note>Note pertaining to BLARG3 definition</note>
</t>

产生想要的正确结果：

<t>
   <dl>
      <dlentry>
         <dt>BLARG</dt>
         <dd>BLARG Definition</dd>
         <dt>BLARG2</dt>
         <dd>BLARG2 Definition</dd>
      </dlentry>
      <dlentry>
         <dt>BLARG3</dt>
         <dd>BLARG3 DefinitionContinuation of BLARG3 definition.<note>Note pertaining to BLARG3 definition</note>
         </dd>
      </dlentry>
   </dl>
</t>

我故意没有在两个文本节点之间生成 ". "分隔符，因为尚未将其声明为必需条件，可能只是OP的一种修饰。这样做需要花费少量的额外精力，留给读者练习：)。