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plugin-extension-points-xslt-import.html

plugin-extension-points-xslt-import.html 9.2 KB
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  1. <!DOCTYPE html
    2. 

  2.   SYSTEM "about:legacy-compat">
    3. 

  3. <html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="UTF-8"><meta name="copyright" content="(C) Copyright 2016"><meta name="DC.rights.owner" content="(C) Copyright 2016"><meta name="DC.Type" content="reference"><meta name="description" content="You can use these extension points to override XSLT processing steps in pre-processing and certain transformation types. The value of the file attribute in the feature element specifies a relative path to an XSL file in the current plug-in. The plug-in installer adds a XSL import statement to the default DITA-OT code, so that the XSL override becomes part of the normal build."><meta name="DC.Relation" scheme="URI" content="../dev_ref/plugin-extension-points.html"><meta name="DC.Format" content="XHTML"><meta name="DC.Identifier" content="plugin-extension-points-xslt-import"><link rel="stylesheet" type="text/css" href="../css/commonltr.css"><link rel="stylesheet" type="text/css" href="../css/dita-ot-doc.css"><title>XSLT-import extension points</title></head><body id="plugin-extension-points-xslt-import"><header role="banner"><div class="header">
    4. 

  4.   <p>DITA Open Toolkit</p>
    5. 

  5.   <hr>
    6. 

  6. </div></header><nav role="toc"><ul><li><a href="../index.html">DITA Open Toolkit 2.3</a></li><li><a href="../release-notes/index.html">Release Notes</a></li><li><a href="../getting-started/index.html">Getting Started</a></li><li><a href="../user-guide/index.html">User Guide</a></li><li><a href="../parameters/index.html">Parameter Reference</a></li><li><a href="../dev_ref/index.html">Developer Reference</a><ul><li><a href="../dev_ref/DITA-OTArchitecture.html">DITA-OT Architecture</a></li><li><a href="../dev_ref/extending-the-ot.html">Extending the DITA-OT</a></li><li><a href="../dev_ref/plugin-creating.html">Creating plug-ins</a></li><li><a href="../dev_ref/plugin-extension-points.html">Extension points</a><ul><li><a href="../dev_ref/plugin-extension-points-general.html">General extension points</a></li><li><a href="../dev_ref/plugin-extension-points-pre-processing.html">Pre-processing extension points</a></li><li class="active"><a href="../dev_ref/plugin-extension-points-xslt-import.html">XSLT-import extension points</a></li><li><a href="../dev_ref/plugin-extension-points-xslt-parameters.html">XSLT-parameter extension points</a></li><li><a href="../dev_ref/plugin-extension-points-support.html">Version and support information</a></li><li><a href="../extension-points/all-extension-points.html">All extension points</a></li></ul></li><li><a href="../dev_ref/pdf-customization.html">Customizing PDF output</a></li><li><a href="../dev_ref/migration.html">Migrating customizations</a></li></ul></li><li><a href="../user-guide/dita-and-dita-ot-resources.html">DITA Resources</a></li></ul></nav><main role="main"><article role="article" aria-labelledby="ariaid-title1">
    7. 

  7.   <h1 class="title topictitle1" id="ariaid-title1">XSLT-import extension points</h1>
    8. 

  8.   
    9. 

  9.   <div class="body refbody"><p class="shortdesc">You can use these extension points to override XSLT processing steps in pre-processing and certain
    10. 

  10.     transformation types. The value of the <code class="keyword markupname xmlatt">@file</code> attribute in the <code class="keyword markupname xmlelement">&lt;feature&gt;</code>
    11. 

  11.     element specifies a relative path to an XSL file in the current plug-in. The plug-in installer adds a XSL import
    12. 

  12.     statement to the default DITA-OT code, so that the XSL override becomes part of the normal build.</p>
    13. 

  13.     <section class="section"><h2 class="title sectiontitle">Pre-processing</h2>
    14. 

  14.       
    15. 

  15.       <p class="p">You can use the following extension points to add XSLT processing to modules in the pre-processing
    16. 

  16.         pipeline:</p>
    17. 

  17.       <dl class="dl">
    18. 

  18.         
    19. 

  19.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.conref</span></dt>
    20. 

  20.           <dd class="dd">Overrides the pre-processing step that resolves conref.</dd>
    21. 

  21.         
    22. 

  22.         
    23. 

  23.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.maplink</span></dt>
    24. 

  24.           <dd class="dd">Overrides the <code class="ph codeph">maplink</code> step in the pre-processing pipeline. This is the step that
    25. 

  25.             generates map-based links.</dd>
    26. 

  26.         
    27. 

  27.         
    28. 

  28.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.mappull</span></dt>
    29. 

  29.           <dd class="dd">Overrides the <code class="ph codeph">mappull</code> step in the pre-processing pipeline. This is the step that updates
    30. 

  30.             navigation titles in maps and causes attributes to cascade.</dd>
    31. 

  31.         
    32. 

  32.         
    33. 

  33.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.mapref</span></dt>
    34. 

  34.           <dd class="dd">Overrides the <code class="ph codeph">mapref</code> step in the pre-processing pipeline. This is the step that resolves
    35. 

  35.             references to other maps.</dd>
    36. 

  36.         
    37. 

  37.         
    38. 

  38.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.topicpull</span></dt>
    39. 

  39.           <dd class="dd">Overrides the <code class="ph codeph">topicpull</code> step in the pre-processing pipeline. This is the step that pulls
    40. 

  40.             text into <code class="keyword markupname xmlelement">&lt;xref&gt;</code> elements, as well as performing other tasks.</dd>
    41. 

  41.         
    42. 

  42.       </dl>
    43. 

  43.     </section>
    44. 

  44.     <section class="section"><h2 class="title sectiontitle">Transformations</h2>
    45. 

  45.       
    46. 

  46.       <p class="p">You can use the following extension points to add XSLT processing to modules in DITA-OT transformations:</p>
    47. 

  47.       <dl class="dl">
    48. 

  48.         
    49. 

  49.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.docbook</span></dt>
    50. 

  50.           <dd class="dd">Overrides the default DocBook transformation.</dd>
    51. 

  51.         
    52. 

  52.         
    53. 

  53.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.eclipse.plugin</span></dt>
    54. 

  54.           <dd class="dd">Overrides the step that generates the <span class="ph filepath">plugin.xml</span> file for Eclipse Help.</dd>
    55. 

  55.         
    56. 

  56.         
    57. 

  57.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.rtf</span></dt>
    58. 

  58.           <dd class="dd">Overrides the default rich-text format (RTF) transformation.</dd>
    59. 

  59.         
    60. 

  60.         
    61. 

  61.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.troff-ast</span></dt>
    62. 

  62.           <dd class="dd">Overrides the intermediate block-and-phrase format that is generated as input to troff processing.</dd>
    63. 

  63.         
    64. 

  64.         
    65. 

  65.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.troff</span></dt>
    66. 

  66.           <dd class="dd">Overrides the XSL that converts block-and-phrase intermediate markup into troff. </dd>
    67. 

  67.         
    68. 

  68.         
    69. 

  69.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.xhtml</span></dt>
    70. 

  70.           <dd class="dd">Overrides the default HTML or XHTML transformation, including HTML Help and Eclipse Help. The referenced
    71. 

  71.             file is integrated directly into the XSLT step that generates XHTML.</dd>
    72. 

  72.         
    73. 

  73.         
    74. 

  74.           <dt class="dt dlterm"><span class="keyword parmname">dita.xsl.xslfo</span></dt>
    75. 

  75.           <dd class="dd">Overrides the default PDF transformation (formerly known as PDF2). The referenced XSL file is integrated
    76. 

  76.             directly into the XSLT step that generates the XSL-FO.</dd>
    77. 

  77.         
    78. 

  78.       </dl>
    79. 

  79.     </section>
    80. 

  80.     <div class="example"><h2 class="title sectiontitle">Example</h2>
    81. 

  81.       
    82. 

  82.       <p class="p">The following two files represent a complete (albeit simple) plug-in that adds a company
    83. 

  83.         banner to the XHTML output. The <span class="ph filepath">plugin.xml</span> file declares an XSLT file
    84. 

  84.         that extends the XHTML processing; the <span class="ph filepath">xsl/header.xsl</span> file overrides
    85. 

  85.         the default header processing to provide a company banner.</p>
    86. 

  86.       <figure class="fig fignone"><figcaption><span class="fig--title-label">Figure 1. </span>Contents of the <span class="ph filepath">plugin.xml</span> file</figcaption>
    87. 

  87.         
    88. 

  88.         <pre class="pre codeblock"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
    89. 

  89. &lt;plugin id="com.example.brandheader"&gt;
    90. 

  90.   &lt;feature extension="dita.xsl.xhtml" file="xsl/header.xsl"/&gt;
    91. 

  91. &lt;/plugin&gt;</code></pre>
    92. 

  92.       </figure>
    93. 

  93.       <figure class="fig fignone"><figcaption><span class="fig--title-label">Figure 2. </span>Contents of the <span class="ph filepath">xsl/header.xsl</span> file</figcaption>
    94. 

  94.         
    95. 

  95.         <pre class="pre codeblock"><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
    96. 

  96. &lt;xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt;
    97. 

  97.   &lt;xsl:template name="gen-user-header"&gt;
    98. 

  98.     &lt;div&gt;
    99. 

  99.       &lt;img src="http://www.example.com/company_banner.jpg" alt="Example Company Banner"/&gt;
    100. 

  100.     &lt;/div&gt;
    101. 

  101.   &lt;/xsl:template&gt;
    102. 

  102. &lt;/xsl:stylesheet&gt;</code></pre>
    103. 

  103.       </figure>
    104. 

  104.     </div>
    105. 

  105.   </div>
    106. 

  106. <nav role="navigation" class="related-links"><div class="familylinks"><div class="parentlink"><strong>Parent topic:</strong> <a class="link" href="../dev_ref/plugin-extension-points.html" title="The DITA Open Toolkit provides a series of extension points that can be used to integrate changes into the core code. Extension points are defined in the plugin.xml file for each plug-in. When plug-ins are installed, the DITA-OT makes each extension visible to the rest of the toolkit.">Extension points</a></div></div></nav></article></main></body></html>
    107.