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40 lines
1.5 KiB
Diff
40 lines
1.5 KiB
Diff
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Use a non-recursive replace function when the parser supports it.
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https://bugs.gnu.org/29782
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https://bugzilla.samba.org/show_bug.cgi?id=9515
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https://bugzilla.gnome.org/show_bug.cgi?id=736077 (for xsltproc)
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Patch copied from Debian:
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https://anonscm.debian.org/cgit/collab-maint/docbook-xsl.git/tree/debian/patches/765567_non-recursive_string_subst.patch
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Description: use EXSLT "replace" function when available
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A recursive implementation of string.subst is problematic,
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long strings with many matches will cause stack overflows.
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Author: Peter De Wachter <pdewacht@gmail.com>
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Bug-Debian: https://bugs.debian.org/750593
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--- a/lib/lib.xsl
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+++ b/lib/lib.xsl
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@@ -10,7 +10,10 @@
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This module implements DTD-independent functions
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******************************************************************** -->
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-<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
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+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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+ xmlns:str="http://exslt.org/strings"
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+ exclude-result-prefixes="str"
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+ version="1.0">
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<xsl:template name="dot.count">
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<!-- Returns the number of "." characters in a string -->
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@@ -56,6 +59,9 @@
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<xsl:param name="replacement"/>
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<xsl:choose>
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+ <xsl:when test="function-available('str:replace')">
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+ <xsl:value-of select="str:replace($string, string($target), string($replacement))"/>
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+ </xsl:when>
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<xsl:when test="contains($string, $target)">
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<xsl:variable name="rest">
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<xsl:call-template name="string.subst">
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