+++ /dev/null
-<?xml version="1.0"?>
-
-<xsl:stylesheet
- version="1.0"
- extension-element-prefixes="doc"
- xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
- xmlns:doc="http://xsltsl.org/xsl/documentation/1.0"
- xmlns:uri="http://xsltsl.org/uri"
->
-
- <doc:reference xmlns="">
- <referenceinfo>
- <releaseinfo role="meta">
- $Id: uri.xsl 3991 2004-11-10 06:51:55Z balls $
- </releaseinfo>
- <author>
- <surname>Diamond</surname>
- <firstname>Jason</firstname>
- </author>
- <copyright>
- <year>2001</year>
- <holder>Jason Diamond</holder>
- </copyright>
- </referenceinfo>
-
- <title>URI (Uniform Resource Identifier) Processing</title>
-
- <partintro>
- <section>
- <title>Introduction</title>
- <para>This module provides templates for processing URIs (Uniform Resource Identifers).</para>
- </section>
- </partintro>
-
- </doc:reference>
-
- <doc:template name="uri:is-absolute-uri" xmlns="">
- <refpurpose>Determines if a URI is absolute or relative.</refpurpose>
-
- <refdescription>
- <para>Absolute URIs start with a scheme (like "http:" or "mailto:").</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns 'true' if the URI is absolute or '' if it's not.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:is-absolute-uri">
- <xsl:param name="uri"/>
-
- <xsl:if test="contains($uri, ':')">
- <xsl:value-of select="true()"/>
- </xsl:if>
-
- </xsl:template>
-
- <doc:template name="uri:get-uri-scheme" xmlns="">
- <refpurpose>Gets the scheme part of a URI.</refpurpose>
-
- <refdescription>
- <para>The ':' is not part of the scheme.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns the scheme (without the ':') or '' if the URI is relative.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:get-uri-scheme">
- <xsl:param name="uri"/>
- <xsl:if test="contains($uri, ':')">
- <xsl:value-of select="substring-before($uri, ':')"/>
- </xsl:if>
- </xsl:template>
-
- <doc:template name="uri:get-uri-authority" xmlns="">
- <refpurpose>Gets the authority part of a URI.</refpurpose>
-
- <refdescription>
- <para>The authority usually specifies the host machine for a resource. It always follows '//' in a typical URI.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns the authority (without the '//') or '' if the URI has no authority.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:get-uri-authority">
- <xsl:param name="uri"/>
-
- <xsl:variable name="a">
- <xsl:choose>
- <xsl:when test="contains($uri, ':')">
- <xsl:if test="substring(substring-after($uri, ':'), 1, 2) = '//'">
- <xsl:value-of select="substring(substring-after($uri, ':'), 3)"/>
- </xsl:if>
- </xsl:when>
- <xsl:otherwise>
- <xsl:if test="substring($uri, 1, 2) = '//'">
- <xsl:value-of select="substring($uri, 3)"/>
- </xsl:if>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
-
- <xsl:choose>
- <xsl:when test="contains($a, '/')">
- <xsl:value-of select="substring-before($a, '/')" />
- </xsl:when>
- <xsl:when test="contains($a, '?')">
- <xsl:value-of select="substring-before($a, '?')" />
- </xsl:when>
- <xsl:when test="contains($a, '#')">
- <xsl:value-of select="substring-before($a, '#')" />
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$a" />
- </xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
- <doc:template name="uri:get-uri-path" xmlns="">
- <refpurpose>Gets the path part of a URI.</refpurpose>
-
- <refdescription>
- <para>The path usually comes after the '/' in a URI.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns the path (with any leading '/') or '' if the URI has no path.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:get-uri-path">
- <xsl:param name="uri"/>
-
- <xsl:variable name="p">
- <xsl:choose>
- <xsl:when test="contains($uri, '//')">
- <xsl:if test="contains(substring-after($uri, '//'), '/')">
- <xsl:value-of select="concat('/', substring-after(substring-after($uri, '//'), '/'))"/>
- </xsl:if>
- </xsl:when>
- <xsl:otherwise>
- <xsl:choose>
- <xsl:when test="contains($uri, ':')">
- <xsl:value-of select="substring-after($uri, ':')"/>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$uri"/>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
-
- <xsl:choose>
- <xsl:when test="contains($p, '?')">
- <xsl:value-of select="substring-before($p, '?')" />
- </xsl:when>
- <xsl:when test="contains($p, '#')">
- <xsl:value-of select="substring-before($p, '#')" />
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$p" />
- </xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
- <doc:template name="uri:get-uri-query" xmlns="">
- <refpurpose>Gets the query part of a URI.</refpurpose>
-
- <refdescription>
- <para>The query comes after the '?' in a URI.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns the query (without the '?') or '' if the URI has no query.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:get-uri-query">
- <xsl:param name="uri"/>
-
- <xsl:variable name="q" select="substring-after($uri, '?')"/>
-
- <xsl:choose>
- <xsl:when test="contains($q, '#')">
- <xsl:value-of select="substring-before($q, '#')"/>
- </xsl:when>
- <xsl:otherwise><xsl:value-of select="$q"/></xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
- <doc:template name="uri:get-uri-fragment" xmlns="">
- <refpurpose>Gets the fragment part of a URI.</refpurpose>
-
- <refdescription>
- <para>The fragment comes after the '#' in a URI.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>uri</term>
- <listitem>
- <para>An absolute or relative URI.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>Returns the fragment (without the '#') or '' if the URI has no fragment.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:get-uri-fragment">
- <xsl:param name="uri"/>
-
- <xsl:value-of select="substring-after($uri, '#')"/>
-
- </xsl:template>
-
- <doc:template name="uri:resolve-uri" xmlns="">
- <refpurpose>Resolves a URI reference against a base URI.</refpurpose>
-
- <refdescription>
- <para>This template follows the guidelines specified by <ulink url="ftp://ftp.isi.edu/in-notes/rfc2396.txt">RFC 2396</ulink>.</para>
- </refdescription>
-
- <refparameter>
- <variablelist>
- <varlistentry>
- <term>reference</term>
- <listitem>
- <para>A (potentially relative) URI reference.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term>base</term>
- <listitem>
- <para>The base URI.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term>document</term>
- <listitem>
- <para>The URI of the current document. This defaults to the value of the base URI if not specified.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refparameter>
-
- <refreturn>
- <para>The "combined" URI.</para>
- </refreturn>
- </doc:template>
-
- <xsl:template name="uri:resolve-uri">
- <xsl:param name="reference"/>
- <xsl:param name="base"/>
- <xsl:param name="document" select="$base"/>
-
- <xsl:variable name="reference-scheme">
- <xsl:call-template name="uri:get-uri-scheme">
- <xsl:with-param name="uri" select="$reference"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="reference-authority">
- <xsl:call-template name="uri:get-uri-authority">
- <xsl:with-param name="uri" select="$reference"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="reference-path">
- <xsl:call-template name="uri:get-uri-path">
- <xsl:with-param name="uri" select="$reference"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="reference-query">
- <xsl:call-template name="uri:get-uri-query">
- <xsl:with-param name="uri" select="$reference"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="reference-fragment">
- <xsl:call-template name="uri:get-uri-fragment">
- <xsl:with-param name="uri" select="$reference"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:choose>
-
- <xsl:when test="
- not(string-length($reference-scheme)) and
- not(string-length($reference-authority)) and
- not(string-length($reference-path)) and
- not(string-length($reference-query))"
- >
-
- <xsl:choose>
- <xsl:when test="contains($document, '?')">
- <xsl:value-of select="substring-before($document, '?')"/>
- </xsl:when>
- <xsl:when test="contains($document, '#')">
- <xsl:value-of select="substring-before($document, '#')"/>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$document"/>
- </xsl:otherwise>
- </xsl:choose>
-
- <xsl:if test="string-length($reference-fragment)">
- <xsl:value-of select="concat('#', $reference-fragment)"/>
- </xsl:if>
-
- </xsl:when>
-
- <xsl:when test="string-length($reference-scheme)">
-
- <xsl:value-of select="$reference"/>
-
- </xsl:when>
-
- <xsl:otherwise>
-
- <xsl:variable name="base-scheme">
- <xsl:call-template name="uri:get-uri-scheme">
- <xsl:with-param name="uri" select="$base"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="base-authority">
- <xsl:call-template name="uri:get-uri-authority">
- <xsl:with-param name="uri" select="$base"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="base-path">
- <xsl:call-template name="uri:get-uri-path">
- <xsl:with-param name="uri" select="$base"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="base-query">
- <xsl:call-template name="uri:get-uri-query">
- <xsl:with-param name="uri" select="$base"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="base-fragment">
- <xsl:call-template name="uri:get-uri-fragment">
- <xsl:with-param name="uri" select="$base"/>
- </xsl:call-template>
- </xsl:variable>
-
- <xsl:variable name="result-authority">
- <xsl:choose>
- <xsl:when test="string-length($reference-authority)">
- <xsl:value-of select="$reference-authority"/>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$base-authority"/>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
-
- <xsl:variable name="result-path">
- <xsl:choose>
- <!-- don't normalize absolute paths -->
- <xsl:when test="starts-with($reference-path, '/')">
- <xsl:value-of select="$reference-path" />
- </xsl:when>
- <xsl:otherwise>
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path">
- <xsl:if test="string-length($reference-authority) = 0 and substring($reference-path, 1, 1) != '/'">
- <xsl:call-template name="uri:get-path-without-file">
- <xsl:with-param name="path-with-file" select="$base-path"/>
- </xsl:call-template>
- <xsl:value-of select="'/'"/>
- </xsl:if>
- <xsl:value-of select="$reference-path"/>
- </xsl:with-param>
- </xsl:call-template>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
-
- <xsl:value-of select="concat($base-scheme, '://', $result-authority, $result-path)"/>
-
- <xsl:if test="string-length($reference-query)">
- <xsl:value-of select="concat('?', $reference-query)"/>
- </xsl:if>
-
- <xsl:if test="string-length($reference-fragment)">
- <xsl:value-of select="concat('#', $reference-fragment)"/>
- </xsl:if>
-
- </xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
- <xsl:template name="uri:get-path-without-file">
- <xsl:param name="path-with-file" />
- <xsl:param name="path-without-file" />
-
- <xsl:choose>
- <xsl:when test="contains($path-with-file, '/')">
- <xsl:call-template name="uri:get-path-without-file">
- <xsl:with-param name="path-with-file" select="substring-after($path-with-file, '/')" />
- <xsl:with-param name="path-without-file">
- <xsl:choose>
- <xsl:when test="$path-without-file">
- <xsl:value-of select="concat($path-without-file, '/', substring-before($path-with-file, '/'))" />
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="substring-before($path-with-file, '/')" />
- </xsl:otherwise>
- </xsl:choose>
- </xsl:with-param>
- </xsl:call-template>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$path-without-file" />
- </xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
- <xsl:template name="uri:normalize-path">
- <xsl:param name="path"/>
- <xsl:param name="result" select="''"/>
-
- <xsl:choose>
- <xsl:when test="string-length($path)">
- <xsl:choose>
- <xsl:when test="$path = '/'">
- <xsl:value-of select="concat($result, '/')"/>
- </xsl:when>
- <xsl:when test="$path = '.'">
- <xsl:value-of select="concat($result, '/')"/>
- </xsl:when>
- <xsl:when test="$path = '..'">
- <xsl:call-template name="uri:get-path-without-file">
- <xsl:with-param name="path-with-file" select="$result"/>
- </xsl:call-template>
- <xsl:value-of select="'/'"/>
- </xsl:when>
- <xsl:when test="contains($path, '/')">
- <!-- the current segment -->
- <xsl:variable name="s" select="substring-before($path, '/')"/>
- <!-- the remaining path -->
- <xsl:variable name="p">
- <xsl:choose>
- <xsl:when test="substring-after($path, '/') = ''">
- <xsl:value-of select="'/'"/>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="substring-after($path, '/')"/>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
- <xsl:choose>
- <xsl:when test="$s = ''">
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path" select="$p"/>
- <xsl:with-param name="result" select="$result"/>
- </xsl:call-template>
- </xsl:when>
- <xsl:when test="$s = '.'">
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path" select="$p"/>
- <xsl:with-param name="result" select="$result"/>
- </xsl:call-template>
- </xsl:when>
- <xsl:when test="$s = '..'">
- <xsl:choose>
- <xsl:when test="string-length($result) and (substring($result, string-length($result) - 2) != '/..')">
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path" select="$p"/>
- <xsl:with-param name="result">
- <xsl:call-template name="uri:get-path-without-file">
- <xsl:with-param name="path-with-file" select="$result"/>
- </xsl:call-template>
- </xsl:with-param>
- </xsl:call-template>
- </xsl:when>
- <xsl:otherwise>
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path" select="$p"/>
- <xsl:with-param name="result" select="concat($result, '/..')"/>
- </xsl:call-template>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:when>
- <xsl:otherwise>
- <xsl:call-template name="uri:normalize-path">
- <xsl:with-param name="path" select="$p"/>
- <xsl:with-param name="result" select="concat($result, '/', $s)"/>
- </xsl:call-template>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="concat($result, '/', $path)"/>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="$result"/>
- </xsl:otherwise>
- </xsl:choose>
-
- </xsl:template>
-
-</xsl:stylesheet>
git.stg.codes / stg.git / blobdiff