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XSLT：获取文本节点并作为多个元素的属性值插入

[英]XSLT: get a text node and insert as attribute value of multiple elements

 原文  2015-11-08 02:19:58  9   1    xml/ xslt/ xslt-1.0/ xslt-2.0

问题描述

我正在处理DublinCore元数据系统描述的一堆书目条目（更确切地说是期刊文章）。 我想做的就是检索这些数据，并以一致的XML结构重新排列它们，以便创建符合PKP规范并可以上传到我的OJS安装程序的XML文件。

尽管我之前从未接触过XSLT，但经过几天的学习，这是我设法获得的： 

<?xml version="1.0" encoding="UTF-8"?>
<issue>
    <articleItem locale="it_IT" public_id="10.4000/journal.0123" language="##">
        <language>en</language>
        <id type="doi">10.4000/journal.0123</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Doe</lastname>
            <firstname>John</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="##">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="##">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>    

    <articleItem locale="it_IT" public_id="10.4000/journal.4567" language="##">
        <language>fr</language>
        <id type="doi">10.4000/journal.4567</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <abstract locale="fr_FR">My abstract (French).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
            <subject locale="fr_FR">my; five; keywords; in; French</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Le Blanc</lastname>
            <firstname>François</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="##">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="##">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>    

    <articleItem locale="it_IT" public_id="10.4000/journal.8910" language="##">
        <language>es</language>
        <id type="doi">10.4000/journal.8910</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <abstract locale="es_ES">My abstract (Spanish).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
            <subject locale="es_ES">my; five; keywords; in; Spanish</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Gonzales</lastname>
            <firstname>Juan</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="##">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="##">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>
</issue>

等等...

基本上，我想为每个<articleItem/>复制<language/>文本节点，并将其粘贴为articleItem ， galley （HTML）和galley （PDF）元素的属性值（标有##）。

我尝试了很多不同的解决方案，但没有一个对我有用：实际上，我想知道是否有可能获得此结果...

所以我有点卡在这里； 任何帮助，将不胜感激。 先感谢您。

================================================== ======================

在@ michael.hor257k发表评论后编辑 ：

这是我的尝试，但是我知道这根本没有任何意义，因为我不是在操作，而只是创建一个已经存在的元素的副本... 

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
    <xsl:output method="xml" indent="yes" encoding="UTF-8" version="1.0" doctype-public="-//PKP//OJS Articles and Issues XML//EN" doctype-system="http://pkp.sfu.ca/ojs/dtds/2.4.7/native.dtd"/>    

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

    <xsl:template match="language">
        <articleItem locale="it_IT" public_id="" language="{node()}"/>
    </xsl:template>
</xsl:stylesheet>

我无法解决此问题：

  1. 同时匹配两个“事物”（我要复制的文本节点和要粘贴的目标区域）；
  2. 得到第一个并在不同位置打印...

这是我想要得到的结果： 

<?xml version="1.0" encoding="UTF-8"?>
<issue>
    <articleItem locale="it_IT" public_id="10.4000/journal.0123" language="en">
        <id type="doi">10.4000/journal.0123</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Doe</lastname>
            <firstname>John</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="en">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="en">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>    

    <articleItem locale="it_IT" public_id="10.4000/journal.4567" language="fr">
        <id type="doi">10.4000/journal.4567</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <abstract locale="fr_FR">My abstract (French).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
            <subject locale="fr_FR">my; five; keywords; in; French</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Le Blanc</lastname>
            <firstname>François</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="fr">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="fr">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>    

    <articleItem locale="it_IT" public_id="10.4000/journal.8910" language="es">
        <id type="doi">10.4000/journal.8910</id>
        <title locale="it_IT">My title</title>
        <abstract locale="it_IT">My abstract (Italian).</abstract>
        <abstract locale="en_US">My abstract (English).</abstract>
        <abstract locale="es_ES">My abstract (Spanish).</abstract>
        <indexing>
            <subject locale="it_IT">my; five; keywords; in; Italian</subject>
            <subject locale="en_US">my; five; keywords; in; English</subject>
            <subject locale="es_ES">my; five; keywords; in; Spanish</subject>
        </indexing>
        <author primary_contact="true">
            <lastname>Gonzales</lastname>
            <firstname>Juan</firstname>
            <email />
        </author>
        <date_published>2015-10-29</date_published>
        <permissions>
            <copyright_holder locale="it_IT">Journal title</copyright_holder>
            <copyright_year>2015</copyright_year>
        </permissions>
        <galley locale="es">
            <label>HTML</label>
            <file>
                <remote src="http://url-to-my-html" />
            </file>
        </galley>
        <galley locale="es">
            <label>PDF</label>
            <file>
                <href src="http://url-to-my-pdf" mime_type="application/pdf" />
            </file>
        </galley>
    </articleItem>
</issue>

请注意，不再显示language元素，但是它的文本节点现在是articleItem [language =“ zh_cn | fr | es”]， galley （HTML）和galley （PDF）的属性值[both => locale =“ en | fr | es“]

1 个解决方案

解决方案1
 1 已采纳  2015-11-08 09:15:41

尝试这种方式：

XSLT 2.0 

<xsl:stylesheet version="2.0" 
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:strip-space elements="*"/>

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

<!-- populate articleItem's language -->
<xsl:template match="articleItem/@language">
    <xsl:attribute name="language" select="../language"/>
</xsl:template>

<!-- populate galley's locale -->
<xsl:template match="galley/@locale">
    <xsl:attribute name="locale" select="ancestor::articleItem/language"/>
</xsl:template>

<!-- remove language -->
<xsl:template match="language"/>

</xsl:stylesheet>

添加：

但是如果未设置属性名称及其值怎么办？ 例如： <articleItem locale="it_IT">...</articleItem> （无“ language”属性）和<galley>...</galley> （无“ locale”属性）

在这种情况下，模板将必须匹配父元素（ articleItem或galley ），将其复制，复制现有属性，添加/覆盖language属性并将模板应用于子节点-例如： 

<xsl:template match="articleItem">
    <xsl:copy>
        <xsl:copy-of select="@*"/>
        <xsl:attribute name="language" select="../language"/>
        <xsl:apply-templates/>
    </xsl:copy>
</xsl:template>

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