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# $Id$ |
# $Id$ |
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# |
# |
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# $Log$ |
# $Log$ |
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# Revision 1.6 2003/05/07 03:11:28 joko |
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# updated pod: new section "References", added item to "Todo" section |
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# |
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# Revision 1.5 2003/05/06 14:24:06 joko |
# Revision 1.5 2003/05/06 14:24:06 joko |
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# doesn't use Carp any more |
# doesn't use Carp any more |
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# updated pod |
# updated pod |
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xupdate - Process XUpdate commands against an XML document. |
xupdate - Process XUpdate commands against an XML document. |
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=head3 Their implementations differ: |
=head4 Their implementations differ: |
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1. xupdate (by Petr Pajas) uses ... |
1. xupdate (by Petr Pajas) uses ... |
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XML::XUpdate::LibXML - Simple implementation of XUpdate format |
XML::XUpdate::LibXML - Simple implementation of XUpdate format |
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2. This xupdate attempts to implement the XUpdate specs using XSLT only. |
2. This xupdate attempts to implement the XUpdate specs using XSLT only. |
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=head3 Yet another xupdate - facts in short: |
=head4 Yet another xupdate - facts in short: |
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S: It would be nice to have a pure perl thingy which does (almost) the same stuff.... |
S: It would be nice to have a pure perl thingy which does (almost) the same stuff.... |
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S?: Proposal: XML::XUpdate::XSLT::API uses XML::XUpdate::XSLT::CRUD |
S?: Proposal: XML::XUpdate::XSLT::API uses XML::XUpdate::XSLT::CRUD |
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=head4 Todo |
=head3 References |
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- XUpdate: |
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Requirements: http://www.xmldb.org/xupdate/xupdate-req.html |
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Working Draft: http://www.xmldb.org/xupdate/xupdate-wd.html |
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- XML API: |
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- XML::XUpdate::LibXML: http://search.cpan.org/author/PAJAS/XML-XUpdate-LibXML-0.4.0/lib/XML/XUpdate/LibXML.pm |
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- XSL / XSLT: |
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http://www.w3.org/TR/xslt |
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http://www.xsl-rp.de/ |
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http://xml.klute-thiemann.de/w3c-de/REC-xslt-20020318/ |
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http://xmlxslt.sourceforge.net/ |
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- misc pointers: |
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"Re: Modify XML documents": http://aspn.activestate.com/ASPN/Mail/Message/perl-xml/1265431 |
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XSL Extensions: http://xmlsoft.org/XSLT/extensions.html |
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EXSLT: http://www.exslt.org/set/functions/difference/index.html |
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"how to insert element at required position in document tree?": http://p2p.wrox.com/archive/xslt/2001-06/98.asp |
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XML APIs for Databases: http://www.javaworld.com/javaworld/jw-01-2000/jw-01-dbxml.html |
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=head3 Todo |
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o What about proper encoding? (ISO-8859-1 or UTF-8) |
o What about proper encoding? (ISO-8859-1 or UTF-8) |
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o Is it possible to create the required "xsl_template.xml" at runtime via XSL itself? |
o Is it possible to create the required "xsl_template.xml" at runtime via XSL itself? |
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o Cache contents of external files (*.xml). Performance! |
o Cache contents of external files (*.xml). Performance! |
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o Can exception / error-code handling be improved somehow? |
o Can exception / error-code handling be improved somehow? |
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Esp.: It would be interesting, if the XUpdate payload actually could be applied, or not... |
Esp.: It would be interesting, if the XUpdate payload actually could be applied, or not... |
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o <xupdate:if>, etc. |
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=cut |
=cut |
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sub open_xupdate { |
sub open_xupdate { |
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my $self = shift; |
my $self = shift; |
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my $xml = shift; |
my $xml = shift; |
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# FIXME: check for filename, filehandle and U<RL (etc.) |
# FIXME: check for filename, filehandle and URL (etc.) |
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$self->{XML}->{xupdate} = $xml; |
$self->{XML}->{xupdate} = $xml; |
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} |
} |
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my $self = shift; |
my $self = shift; |
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# debug - print the calculated xsl on STDERR |
# debug - print the calculated xsl on STDERR |
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#print STDERR $self->get_stylesheet("_worker"), "\n"; |
print STDERR $self->get_stylesheet("_worker"), "\n"; |
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#return; |
#return; |
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$self->{XSLT_ENGINE_LIVE} = XML::XSLT->new( |
$self->{XSLT_ENGINE_LIVE} = XML::XSLT->new( |