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XML::LibXML::Common(3) User Contributed Perl Documentation XML::LibXML::Common(3)
NAME
XML::LibXML::Common - Constants and Character Encoding Routines
SYNOPSIS
use XML::LibXML::Common;
$encodedstring = encodeToUTF8( $name_of_encoding, $sting_to_encode );
$decodedstring = decodeFromUTF8($name_of_encoding, $string_to_decode );
DESCRIPTION
XML::LibXML::Common defines constants for all node types and provides interface to libxml2
charset conversion functions.
Since XML::LibXML use their own node type definitions, one may want to use
XML::LibXML::Common in its compatibility mode:
Exporter TAGS
use XML::LibXML::Common qw(:libxml);
":libxml" tag will use the XML::LibXML Compatibility mode, which defines the old 'XML_'
node-type definitions.
use XML::LibXML::Common qw(:gdome);
":gdome" tag will use the XML::GDOME Compatibility mode, which defines the old 'GDOME_'
node-type definitions.
use XML::LibXML::Common qw(:w3c);
This uses the nodetype definition names as specified for DOM.
use XML::LibXML::Common qw(:encoding);
This tag can be used to export only the charset encoding functions of XML::LibXML::Common.
Exports
By default the W3 definitions as defined in the DOM specifications and the encoding
functions are exported by XML::LibXML::Common.
Encoding functions
To encode or decode a string to or from UTF-8, XML::LibXML::Common exports two functions,
which provide an interface to the encoding support in "libxml2". Which encodings are
supported by these functions depends on how "libxml2" was compiled. UTF-16 is always
supported and on most installations, ISO encodings are supported as well.
This interface was useful for older versions of Perl. Since Perl >= 5.8 provides similar
functions via the "Encode" module, it is probably a good idea to use those instead.
encodeToUTF8
$encodedstring = encodeToUTF8( $name_of_encoding, $sting_to_encode );
The function will convert a byte string from the specified encoding to an UTF-8
encoded character string.
decodeToUTF8
$decodedstring = decodeFromUTF8($name_of_encoding, $string_to_decode );
This function converts an UTF-8 encoded character string to a specified encoding. Note
that the conversion can raise an error if the given string contains characters that
cannot be represented in the target encoding.
Both these functions report their errors on the standard error. If an error occurs the
function will croak(). To catch the error information it is required to call the encoding
function from within an eval block in order to prevent the entire script from being
stopped on encoding error.
A note on history
Before XML::LibXML 1.70, this class was available as a separate CPAN distribution,
intended to provide functionality shared between XML::LibXML, XML::GDOME, and possibly
other modules. Since there seems to be no progress in this direction, we decided to merge
XML::LibXML::Common 0.13 and XML::LibXML 1.70 to one CPAN distribution.
The merge also naturally eliminates a practical and urgent problem experienced by many
XML::LibXML users on certain platforms, namely mysterious misbehavior of XML::LibXML
occurring if the installed (often pre-packaged) version of XML::LibXML::Common was
compiled against an older version of libxml2 than XML::LibXML.
AUTHORS
Matt Sergeant, Christian Glahn, Petr Pajas
VERSION
2.0018
COPYRIGHT
2001-2007, AxKit.com Ltd.
2002-2006, Christian Glahn.
2006-2009, Petr Pajas.
perl v5.16.3 2013-05-13 XML::LibXML::Common(3)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache
Under GNU General Public License
2024-04-19 15:33 @18.216.233.58 CrawledBy Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)