EXProc.org contributed pipeline

exc:standalone version 1.0.0

Makes HTML documents “standalone”.

Usage

To use the exc:standalone step, declare the exc: prefix for http://exproc.org/ns/contrib and add the following import to your pipeline:

<p:import href="https://exproc.org/contrib/ndw/standalone/1.0.0.xpl"/>

Inputs

Outputs

Pipeline

<p:declare-step xmlns:p="http://www.w3.org/ns/xproc"
                xmlns:h="http://www.w3.org/1999/xhtml"
                xmlns:ex="http://exproc.org/ns/contrib"
                type="ex:standalone"
                name="main" version="3.1">
  <p:input port="source" content-types="xml html"/>
<p:output port="result" content-types="xml html"/>

<p:viewport name="vphref" match="h:link[@href and @rel='stylesheet']">
  <p:load href="{resolve-uri(h:link/@href, base-uri(.))}"/>
  <p:encode name="encoded"/>
  <p:set-attributes>
    <p:with-input pipe="@vphref"/>
    <p:with-option name="attributes"
                   select="map{'href': 'data:text/css;base64,' || .}">
      <p:pipe step="encoded"/>
    </p:with-option>
  </p:set-attributes>
</p:viewport>

<p:viewport name="vpsrc" match="h:img[@src] | h:script[@src]">
  <p:load href="{resolve-uri(*/@src, base-uri(.))}"/>
  <p:variable name="ctype" select="p:document-property(., 'content-type')"/>
  <p:encode name="encoded"/>

  <p:set-attributes>
    <p:with-input pipe="@vpsrc"/>
    <p:with-option name="attributes"
                   select="map{'src': 'data:' || $ctype || ';base64,' || .}">
      <p:pipe step="encoded"/>
    </p:with-option>
  </p:set-attributes>
</p:viewport>

</p:declare-step>

Description

This pipeline makes HTML documents “standalone”. It uses base64 encoding and data: URIs to inline images, scripts, and CSS stylesheets.

Other versions