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XML::Parser::Style::Stream.3pm
Langue: en
Version: 2003-07-27 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
XML::Parser::Style::Stream - Stream style for XML::ParserSYNOPSIS
use XML::Parser; my $p = XML::Parser->new(Style => 'Stream', Pkg => 'MySubs'); $p->parsefile('foo.xml'); { package MySubs; sub StartTag { my ($e, $name) = @_; # do something with start tags } sub EndTag { my ($e, $name) = @_; # do something with end tags } sub Characters { my ($e, $data) = @_; # do something with text nodes } }
DESCRIPTION
This style uses the Pkg option to find subs in a given package to call for each event. If none of the subs that this style looks for is there, then the effect of parsing with this style is to print a canonical copy of the document without comments or declarations. All the subs receive as their 1st parameter the Expat instance for the document they're parsing.It looks for the following routines:
- *
- StartDocument
Called at the start of the parse .
- *
- StartTag
Called for every start tag with a second parameter of the element type. The $_ variable will contain a copy of the tag and the %_ variable will contain attribute values supplied for that element.
- *
- EndTag
Called for every end tag with a second parameter of the element type. The $_ variable will contain a copy of the end tag.
- *
- Text
Called just before start or end tags with accumulated non-markup text in the $_ variable.
- *
- PI
Called for processing instructions. The $_ variable will contain a copy of the PI and the target and data are sent as 2nd and 3rd parameters respectively.
- *
- EndDocument
Called at conclusion of the parse.
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