Re: Stylesheet Optimization -- How to Make It Faster

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Subject: Re: Stylesheet Optimization -- How to Make It Faster
From: Jeff Sese <jsese@xxxxxxxxxxxx>
Date: Tue, 28 Nov 2006 20:55:44 +0800

sorry for the messy sample files... my mail client removed the tabs.

I'm using saxon 8.8j

i already used keys upon your suggestion, however i did not notice a change in the processing time, but i'll test more files just to be sure.

here's now my new xsl

<?xml version="1.0" encoding="UTF-8"?> <xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ati="http://www.asiatype.com/xslt-functions" exclude-result-prefixes="xs ati"> <xsl:output method="xml" version="1.0" encoding="UTF-8"/> <xsl:variable name="abbreviations" as="element()+" select="document('publishers_data.xml')/root/publisher/abbrev"/> <xsl:key name="abbrev" match="expanded" use="preceding-sibling::abbrev"/> <xsl:template match="/"> <xsl:apply-templates/> </xsl:template> <xsl:template match="text()[ancestor::ab and not(ancestor::note[@id and @n and @lang])][exists($abbreviations[matches(current(),concat('(^|\W)(',ati:escape(.),')($|\W)'))])]"> <xsl:variable name="str" as="xs:string" select="."/> <xsl:variable name="search-str" as="xs:string+" select="$abbreviations[matches($str,concat('(^|\W)(',ati:escape(.),')($|\W)'))]"/> <xsl:variable name="replace" as="element()*"> <xsl:for-each select="$search-str"> <xsl:variable name="abbr" as="xs:string" select="."/> <abbr type="title" expand="{$abbreviations/key('abbrev', $abbr)}"> <xsl:value-of select="$abbr"/> </abbr> </xsl:for-each> </xsl:variable> <xsl:sequence select="ati:replace-with-nodes($str, $search-str, $replace)"/> </xsl:template> <xsl:template match="@*|element()|comment()|processing-instruction()" mode="#all"> <xsl:copy> <xsl:apply-templates select="@*|node()"/> </xsl:copy> </xsl:template> <xsl:function name="ati:replace-with-nodes" as="node()+"> <xsl:param name="input" as="xs:string"/> <xsl:param name="words-to-replace" as="xs:string*"/> <xsl:param name="replacement" as="node()*"/> <xsl:variable name="regex" select="string-join(for $w in $words-to-replace return concat('(', ati:escape($w), ')'),'|')"/> <xsl:analyze-string select="$input" regex="{$regex}"> <xsl:matching-substring> <xsl:variable name="i" as="xs:integer" select="(1 to count($words-to-replace))[regex-group(.)]"/> <xsl:sequence select="$replacement[$i]"/> </xsl:matching-substring> <xsl:non-matching-substring> <xsl:value-of select="."/> </xsl:non-matching-substring> </xsl:analyze-string> </xsl:function> <xsl:function name="ati:escape"> <xsl:param name="s" as="xs:string"/> <xsl:sequence select="replace($s,'[\\\|\.\-\^\?\*\+\{\}\[\]\$]','\\$0')"/> </xsl:function> </xsl:stylesheet>

heres a short version of the publishers_data.xml:

<root> <publisher> <abbrev>Inschriften von Priene</abbrev> <expanded>Inschriften von Priene</expanded> </publisher> <publisher> <abbrev>P. Mil. Congr. XVIII</abbrev> <expanded>Papiri documentari dell'UniversitC Cattolica di Milano</expanded> </publisher> <publisher> <abbrev>P. Jud. Des. Misc.</abbrev> <expanded>Discoveries in the Judean Desert XXXVIII</expanded> </publisher>  </root>

heres a snippet of the source xml:

 <ab lang="grk" n="1"> <foreign lang="grk">N N3N-N3N?N=N5 N:N1Oa=0 ON?a=:O NN1ON5a=7N?O</foreign> <note place="margin">a c</note> <lb n="5"/> <foreign lang="grk">OOa=9N=N?OO ON?a?& N<N5Oa=0 NN1N<N2a=;ON7N= N2N1ON9N;N5a=;ON1N=ON?O, a=ON5 N:N1a=6 NN9N?N=a=;ON9N?O a<&N= a= NN9N;a=5ON9N?O</foreign> <lb/>(III), <foreign lang="grk">a<Oa=6 Oa?O N>B/N5B/ a=N;ON<ON9a=1N4N?O</foreign> (520/16)<foreign lang="grk">N a<1OON?ON9N?N3Oa=1ON?O. a?>NOa=9N4N?ON?O N4a=2 a= a?>NN;N9-</foreign> <note place="margin">v</note> <lb/> <foreign lang="grk">N:N1ON=N1ON5a=:O a= ON-N;N7ON1N9 ON?a=;ON?O, N=N5a==ON5ON?O a=$N=. N:N1a=6 a<&N= a<N:N?OOOa=4O N OO ON1N3a=9ON?O</foreign> <note id="n7" n="7" lang="ger"> <foreign lang="grk">a=$N=N N3N-N3N?N=N5 N3a=0O N<N5Oa>= N1a=Oa=9N=</foreign> A</note> <lb/> <foreign lang="grk">a= a?>NN:N1ON1a?N?O. OOa?6ON?O N4a=2 a<1OON?Oa=7N1N= ON5N6a?6O a<N>a=5N=N5N3N:N5, OON3N3ON1Oa=4N= N4a=2 N&N5ON5N:a=;N4N7O</foreign> <note id="n8b9" n="8b9" lang="ger"> <foreign lang="grk">OOa?6ON?ObN=N?N8N5a=;N5ON1N9</foreign> wiederholt s. <foreign lang="grk">a=6OON?Oa?ON1N9</foreign>, s. <foreign lang="grk">OON3N3ON1ON5a?O</foreign>.</note> <lb/>(I 3). <foreign lang="grk">Oa=0 N3a=0O a>=NN:N?OON9N;a=1N?O</foreign> (<link type="boj" targets="a002" n="BOJTEXT002_T_7">2 T 7</link>) <foreign lang="grk">N=N?N8N5a=;N5ON1N9.</foreign> <note id="n9" n="9" lang="ger"> <foreign lang="grk">a>=NN:N?OON9N;a=1N?O</foreign> Vossius <foreign lang="grk">a>=NN3N7ON9N;a=1N?O</foreign> Suid</note> </ab> 

all: ab nodes appear in the same level (same depth) though out.

Any suggestions are welcome.
Thanks,
--
Jeff

Current Thread
Stylesheet Optimization -- How to Make It Faster Jeff Sese - 28 Nov 2006 01:40:55 -0000 Michael Kay - 28 Nov 2006 09:14:31 -0000 Jeff Sese - 28 Nov 2006 12:56:05 -0000 <= David Carlisle - 28 Nov 2006 14:04:48 -0000

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