termux-packages/packages/docbook-xsl/765567_non-recursive_string...

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Description: use EXSLT "replace" function when available
A recursive implementation of string.subst is problematic,
long strings with many matches will cause stack overflows.
Author: Peter De Wachter <pdewacht@gmail.com>
Bug-Debian: https://bugs.debian.org/750593
--- docbook-xsl-1.78.1+dfsg.orig/docbook-xsl/lib/lib.xsl
+++ docbook-xsl-1.78.1+dfsg/docbook-xsl/lib/lib.xsl
@@ -6,7 +6,11 @@
This module implements DTD-independent functions
- ******************************************************************** --><xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
+ ******************************************************************** -->
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+ xmlns:str="http://exslt.org/strings"
+ exclude-result-prefixes="str"
+ version="1.0">
<xsl:template name="dot.count">
<!-- Returns the number of "." characters in a string -->
@@ -52,6 +56,9 @@
<xsl:param name="replacement"/>
<xsl:choose>
+ <xsl:when test="function-available('str:replace')">
+ <xsl:value-of select="str:replace($string, string($target), string($replacement))"/>
+ </xsl:when>
<xsl:when test="contains($string, $target)">
<xsl:variable name="rest">
<xsl:call-template name="string.subst">