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html - 在 XSLT 中如何将父项的第一个子项中的属性移动到父项?

转载 作者:数据小太阳 更新时间:2023-10-29 02:10:02 24 4
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我是 XSLT 的初学者,我正在尝试将 flash 文本格式转换为基于 HTML 的格式

<LI></LI>源 xml 中的 block 和所有 <LI> block 包含 1 个或多个 <FONT>节点。我需要应用 <FONT> 的样式在 <LI> 的内联 css 中并删除 <FONT>节点(第一个 FONT 子节点)。

(示例仅供说明 - 开始)来自:

<LI>
<FONT FACE="Lato" SIZE="24" COLOR="#F7941D" LETTERSPACING="0" KERNING="0">
<I>ertrr</I>
<FONT SIZE="12" COLOR="#4B4B4B">sdfsd</FONT>
</FONT>
</LI>

收件人:

<li style="font-family:Lato; font-size:24px; color:#F7941D;">
<I>ertrr</I>
<span style="font-size:12px; color:#4B4B4B;">sdfsd</span>
</li>

(示例仅供解释 - 结束)

XML 源代码

<root>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="Lato" SIZE="24" COLOR="#F7941D" LETTERSPACING="0" KERNING="0">
<I>ertrr</I>
<FONT SIZE="12" COLOR="#4B4B4B"></FONT>
</FONT>
</LI>
</TEXTFORMAT>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="Lato" SIZE="24" COLOR="#000000" LETTERSPACING="0" KERNING="0">
<I><U>ert</U></I>
<FONT SIZE="12" COLOR="#4B4B4B"></FONT>
</FONT>
</LI>
</TEXTFORMAT>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="System" SIZE="16" COLOR="#4B4B4B" LETTERSPACING="0" KERNING="0">
<B>hgjgj</B>
<FONT FACE="Lato" SIZE="12"></FONT>
</FONT>
</LI>
</TEXTFORMAT>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="System" SIZE="16" COLOR="#4B4B4B" LETTERSPACING="0" KERNING="0">ghjghj
<FONT FACE="Lato" SIZE="12"></FONT>
</FONT>
</LI>
</TEXTFORMAT>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="Lato" SIZE="12" COLOR="#4B4B4B" LETTERSPACING="0" KERNING="0">@#dgsdg
<FONT FACE="Gabriola">sdfgdfg</FONT> dsfg df
<FONT SIZE="16">gdsfg</FONT>sd s
<FONT FACE="Lucida Console">d
<I>fg df</I> gs
<FONT FACE="Verdana">dg sdgfgsd</FONT>
</FONT> gdfg </FONT>
</LI>
</TEXTFORMAT>
<TEXTFORMAT LEADING="2">
<LI>
<FONT FACE="Lato" SIZE="24" COLOR="#000000" LETTERSPACING="0" KERNING="0">
<I><U>ert</U></I>
<FONT SIZE="12" COLOR="#4B4B4B">sdfsd</FONT>
</FONT>
</LI>
</TEXTFORMAT>

</root>

预期输出

    <div>
<li style="font-family:Lato; font-size:24px; color:#F7941D;">
<I>ertrr</I><span style="font-size:12px; color:#4B4B4B;"></span>
</li>
<li style="font-family:Lato; font-size:24px; color:#000000;">
<I><U>ert</U></I><span style="font-size:12px; color:#4B4B4B;"></span>
</li>
<li style="font-family:System; font-size:16px; color:#4B4B4B;">
<B>hgjgj</B><span style="font-family:Lato; font-size:12px; "></span>
</li>
<li style="font-family:System; font-size:16px; color:#4B4B4B;">
ghjghj
<span style="font-family:Lato; font-size:12px; "></span>
</li>
<li style="font-family:Lato; font-size:12px; color:#4B4B4B;">
@#dgsdg
<span style="font-family:Gabriola; ">sdfgdfg</span> dsfg df
<span style="font-size:16px; ">gdsfg</span>sd s
<span style="font-family:Lucida Console; ">d
<I>fg df</I> gs
<span style="font-family:Verdana; ">dg sdgfgsd</span></span> gdfg
</li>
<li style="font-family:Lato; font-size:24px; color:#000000;">
<I><U>ert</U></I><span style="font-size:12px; color:#4B4B4B;">sdfsd</span>
</li>
</div>

我的代码:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">

<xsl:strip-space elements="*"/>
<xsl:output indent="yes" method="html"/>

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

<xsl:template match="root">
<div>
<xsl:apply-templates/>
</div>
</xsl:template>

<xsl:template match="FONT">
<span>
<xsl:attribute name="style">
<!-- collect attributes -->
<xsl:variable name="styles">
<xsl:if test="@FACE">
<xsl:value-of select="concat('font-family:', @FACE)"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="@SIZE">
<xsl:value-of select="concat('font-size:', @SIZE, 'px')"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="@COLOR">
<xsl:value-of select="concat('color:', @COLOR)"/>
<xsl:text>;</xsl:text>
</xsl:if>
</xsl:variable>
<xsl:value-of select="$styles"/>
</xsl:attribute>
<xsl:apply-templates/>
</span>
</xsl:template>

<!-- remove unwanted attributes -->
<xsl:template match="@LETTERSPACING|@KERNING"/>

<!-- Replace <LI> with <li> -->
<xsl:template match="LI">
<li>
<xsl:attribute name="style">
<!-- collect attributes -->
<xsl:variable name="styles">
<xsl:if test="FONT/@FACE">
<xsl:value-of select="concat('font-family:', FONT/@FACE)"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="FONT/@SIZE">
<xsl:value-of select="concat('font-size:', FONT/@SIZE, 'px')"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="FONT/@COLOR">
<xsl:value-of select="concat('color:', FONT/@COLOR)"/>
<xsl:text>;</xsl:text>
</xsl:if>
</xsl:variable>
<!-- delete trailing spaces -->
<xsl:value-of select="$styles"/>
</xsl:attribute>
<xsl:apply-templates/>
</li>
</xsl:template>

<!-- Remove TEXTFORMAT -->
<xsl:template match="TEXTFORMAT">
<xsl:apply-templates/>
</xsl:template>

</xsl:stylesheet>

电流输出

<div>
<li style="font-family:Lato; font-size:24px; color:#F7941D;">
<span style="font-family:Lato; font-size:24px; color:#F7941D;"><I>ertrr</I><span style="font-size:12px; color:#4B4B4B;"></span></span>
</li>
<li style="font-family:Lato; font-size:24px; color:#000000;">
<span style="font-family:Lato; font-size:24px; color:#000000;"><I><U>ert</U></I><span style="font-size:12px; color:#4B4B4B;"></span></span>
</li>
<li style="font-family:System; font-size:16px; color:#4B4B4B;">
<span style="font-family:System; font-size:16px; color:#4B4B4B;"><B>hgjgj</B><span style="font-family:Lato; font-size:12px; "></span></span>
</li>
<li style="font-family:System; font-size:16px; color:#4B4B4B;">
<span style="font-family:System; font-size:16px; color:#4B4B4B;">ghjghj
<span style="font-family:Lato; font-size:12px; "></span></span>
</li>
<li style="font-family:Lato; font-size:12px; color:#4B4B4B;">
<span style="font-family:Lato; font-size:12px; color:#4B4B4B;">@#dgsdg
<span style="font-family:Gabriola; ">sdfgdfg</span> dsfg df
<span style="font-size:16px; ">gdsfg</span>sd s
<span style="font-family:Lucida Console; ">d
<I>fg df</I> gs
<span style="font-family:Verdana; ">dg sdgfgsd</span></span> gdfg </span>
</li>
<li style="font-family:Lato; font-size:24px; color:#000000;">
<span style="font-family:Lato; font-size:24px; color:#000000;"><I><U>ert</U></I><span style="font-size:12px; color:#4B4B4B;">sdfsd</span></span>
</li>
</div>

最佳答案

您应该创建一个命名模板来处理属性。以下是您需要的样式表

<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:strip-space elements="*"/>
<xsl:output indent="yes" omit-xml-declaration="yes"/>

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

<xsl:template match="LI">
<li>
<xsl:attribute name="style">
<xsl:call-template name="collect_attributes">
<xsl:with-param name="FACE" select="*[1][name()='FONT']/@FACE"/>
<xsl:with-param name="SIZE" select="*[1][name()='FONT']/@SIZE"/>
<xsl:with-param name="COLOR" select="*[1][name()='FONT']/@COLOR"/>
</xsl:call-template>
</xsl:attribute>
<xsl:apply-templates/>
</li>
</xsl:template>

<xsl:template match="LI/FONT[1]">
<xsl:apply-templates/>
</xsl:template>

<xsl:template match="FONT[not(parent::LI)]">
<span>
<xsl:attribute name="style">
<xsl:call-template name="collect_attributes">
<xsl:with-param name="FACE" select="@FACE"/>
<xsl:with-param name="SIZE" select="@SIZE"/>
<xsl:with-param name="COLOR" select="@COLOR"/>
</xsl:call-template>
</xsl:attribute>
</span>
</xsl:template>

<!-- named template to process the attributes -->
<xsl:template name="collect_attributes">
<xsl:param name="COLOR"/>
<xsl:param name="FACE"/>
<xsl:param name="SIZE"/>

<!-- collect attributes -->
<xsl:variable name="styles">
<xsl:if test="string-length($FACE) &gt; 0">
<xsl:value-of select="concat('font-family:', $FACE)"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="string-length($SIZE) &gt; 0">
<xsl:value-of select="concat('font-size:', $SIZE, 'px')"/>
<xsl:text>; </xsl:text>
</xsl:if>
<xsl:if test="string-length($COLOR) &gt; 0">
<xsl:value-of select="concat('color:', $COLOR)"/>
<xsl:text>;</xsl:text>
</xsl:if>
</xsl:variable>
<!-- delete trailing spaces -->
<xsl:value-of select="normalize-space($styles)"/>
</xsl:template>

<xsl:template match="root">
<div>
<xsl:apply-templates/>
</div>
</xsl:template>

<xsl:template match="TEXTFORMAT">
<xsl:apply-templates/>
</xsl:template>

</xsl:stylesheet>

关于html - 在 XSLT 中如何将父项的第一个子项中的属性移动到父项?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/39205509/

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