基于配置文件的 XSLT 转换

Question

输入:

<chapter xmlns='http://www.w3.org/1998/Math/MathML'>
<math>
<mtext mathcolor="#3e9a3c">This is sample 1</mtext>
<mtext mathcolor="#009bd2">This is sample 2</mtext>
</math>
</chapter>

输出:

<?xml version='1.0' encoding='UTF-8' ?>
<chapter xmlns="http://www.w3.org/1998/Math/MathML"><math>~COLOR~[Green]This is sample 1~COLOR~[Red]This is sample 2</math></chapter>

配置文件:

<?xml version="1.0"?>
<colors>
<color><mathcolor>#3e9a3c</mathcolor><textcolor>Green</textcolor><colorvalue>1</colorvalue></color>
<color><mathcolor>#009bd2</mathcolor><textcolor>Red</textcolor><colorvalue>2</colorvalue></color>
</colors>

XSLT 尝试过:

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:m="http://www.w3.org/1998/Math/MathML" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mml="http://www.w3.org/1998/Math/MathML">
<xsl:output method="xml" encoding="UTF-8" indent="no"/>
<xsl:strip-space elements="*"/>

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

<xsl:template match="m:mtext">
<xsl:if test="@mathcolor">
<xsl:choose>
<xsl:when test="@mathcolor='#3e9a3c'"><xsl:text disable-output-escaping="yes">~COLOR~[Green]</xsl:text></xsl:when>
<xsl:when test="@mathcolor='#009bd2'"><xsl:text disable-output-escaping="yes">~COLOR~[Red]</xsl:text></xsl:when>
</xsl:choose>
</xsl:if>
<xsl:apply-templates/></xsl:template>

</xsl:stylesheet>

我需要根据配置文件将上面给出的输入转换为所需的输出。如果用户更新了配置文件，并且如果 Input 具有 mathcolor 属性值，则其对应的颜色应转换为如 output 所示。我可以使用 XSLT 1.0。请帮助解决这个问题

例如:
如果用户在配置文件中添加如下代码: <color><mathcolor>#007c62</mathcolor><textcolor>Magenta</textcolor><colorvalue>3</colorvalue></color>并且输入包含 mathcolor="#007c62"，那么 Magenta 应该应用在输出中。

Answer 1

这应该有效:
样式表

<?xml version="1.0" encoding="utf-8"?>

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
  xmlns:m="http://www.w3.org/1998/Math/MathML"
  xmlns:mml="http://www.w3.org/1998/Math/MathML"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns="http://www.w3.org/1998/Math/MathML">

  <xsl:output method="xml" encoding="UTF-8" indent="no"/>
  <xsl:strip-space elements="*"/>

  <!--
  Config file name/path, can be passed as a parameter to XSL transformation
  -->
  <xsl:param name="config.file" select="'config.xml'"/>

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

  <!-- <m:mtext> elements with a @mathcolor attribute, no need for <xsl:if> -->
  <xsl:template match="m:mtext[@mathcolor]">
    <xsl:text>~COLOR~[</xsl:text>
    <!--
    Fetch color name from $config.file (<color> element with a <mathcolor>
    child that has the same value as the @mathcolor attribute of the element
    currently being processed)
    -->
    <xsl:value-of
      select="document($config.file)/colors/color
        [mathcolor = current()/@mathcolor]/textcolor"/>
    <xsl:text>]</xsl:text>
    <xsl:apply-templates/>
  </xsl:template>

</xsl:stylesheet>

输入

<chapter xmlns='http://www.w3.org/1998/Math/MathML'>
  <math>
    <mtext mathcolor="#3e9a3c">This is sample 1</mtext>
    <mtext mathcolor="#009bd2">This is sample 2</mtext>
  </math>
</chapter>

配置文件

<?xml version="1.0"?>
<colors>
  <color>
    <mathcolor>#3e9a3c</mathcolor>
    <textcolor>Green</textcolor>
    <colorvalue>1</colorvalue>
  </color>
  <color>
    <mathcolor>#009bd2</mathcolor>
    <textcolor>Red</textcolor>
    <colorvalue>2</colorvalue>
  </color>
</colors>

输出

<?xml version="1.0" encoding="UTF-8"?>
<chapter xmlns="http://www.w3.org/1998/Math/MathML">
  <math>~COLOR~[Green]This is sample 1~COLOR~[Red]This is sample 2</math>
</chapter>