blob: e8c2f94ebad9a64608625f982d8d1bab8a1ebf53 [file] [log] [blame]
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent="yes" encoding="iso-8859-1"/>
<!-- ISO-8859-1 based URL-encoding demo
Written by Mike J. Brown, mike@skew.org.
Updated 2002-05-20.
No license; use freely, but credit me if reproducing in print.
Also see http://skew.org/xml/misc/URI-i18n/ for a discussion of
non-ASCII characters in URIs.
-->
<!-- The string to URL-encode.
Note: By "iso-string" we mean a Unicode string where all
the characters happen to fall in the ASCII and ISO-8859-1
ranges (32-126 and 160-255) -->
<xsl:param name="iso-string" select="'&#161;Hola, C&#233;sar!'"/>
<!-- Characters we'll support.
We could add control chars 0-31 and 127-159, but we won't. -->
<xsl:variable name="ascii"> !?"#$%'()*+,-./0123456789:;&lt;=&gt;?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~</xsl:variable>
<xsl:variable name="latin1">&#160;&#161;&#162;&#163;&#164;&#165;&#166;&#167;&#168;&#169;&#170;&#171;&#172;&#173;&#174;&#175;&#176;&#177;&#178;&#179;&#180;&#181;&#182;&#183;&#184;&#185;&#186;&#187;&#188;&#189;&#190;&#191;&#192;&#193;&#194;&#195;&#196;&#197;&#198;&#199;&#200;&#201;&#202;&#203;&#204;&#205;&#206;&#207;&#208;&#209;&#210;&#211;&#212;&#213;&#214;&#215;&#216;&#217;&#218;&#219;&#220;&#221;&#222;&#223;&#224;&#225;&#226;&#227;&#228;&#229;&#230;&#231;&#232;&#233;&#234;&#235;&#236;&#237;&#238;&#239;&#240;&#241;&#242;&#243;&#244;&#245;&#246;&#247;&#248;&#249;&#250;&#251;&#252;&#253;&#254;&#255;</xsl:variable>
<!-- Characters that usually don't need to be escaped -->
<xsl:variable name="safe">+,[]&amp;=?/!'()*-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~</xsl:variable>
<xsl:variable name="hex" >0123456789ABCDEF</xsl:variable>
<xsl:template name="url-encode">
<xsl:param name="str"/>
<xsl:if test="$str">
<xsl:variable name="first-char" select="substring($str,1,1)"/>
<xsl:choose>
<xsl:when test="contains($safe,$first-char)">
<xsl:value-of select="$first-char"/>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="codepoint">
<xsl:choose>
<xsl:when test="contains($ascii,$first-char)">
<xsl:value-of select="string-length(substring-before($ascii,$first-char)) + 32"/>
</xsl:when>
<xsl:when test="contains($latin1,$first-char)">
<xsl:value-of select="string-length(substring-before($latin1,$first-char)) + 160"/>
</xsl:when>
<xsl:otherwise>
<xsl:message terminate="no">Warning: string contains a character that is out of range! Substituting "?".</xsl:message>
<xsl:text>63</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="hex-digit1" select="substring($hex,floor($codepoint div 16) + 1,1)"/>
<xsl:variable name="hex-digit2" select="substring($hex,$codepoint mod 16 + 1,1)"/>
<xsl:value-of select="concat('%',$hex-digit1,$hex-digit2)"/>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="string-length($str) &gt; 1">
<xsl:call-template name="url-encode">
<xsl:with-param name="str" select="substring($str,2)"/>
</xsl:call-template>
</xsl:if>
</xsl:if>
</xsl:template>
</xsl:stylesheet>