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package WWW::Webrobot::MyEncode; |
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use strict; |
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use warnings; |
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# Author: Stefan Trcek |
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# Copyright(c) 2004 ABAS Software AG |
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use Exporter; |
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use base qw/Exporter/; |
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our @EXPORT_OK = qw/has_Encode legacy_mode octet_to_internal_utf8 octet_to_encoding/; |
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my $_has_Encode; |
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my $_legacy_mode; |
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BEGIN { |
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eval {require Encode}; |
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$_has_Encode = $@ ? 0 : 1; |
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if (!$_has_Encode) { |
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warn "Missing 'Encode': Data may be improperly encoded."; |
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# check for Unicode::Lite |
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eval {require Unicode::Lite}; |
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$_legacy_mode = $@ ? 0 : 1; |
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warn "Missing 'Unicode::Lite': Can't encode." if !$_legacy_mode; |
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#$_legacy_mode = 0; |
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} |
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} |
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sub has_Encode { $_has_Encode } |
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sub legacy_mode { $_legacy_mode } |
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sub octet_to_internal_utf8 { |
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my ($encoding, $value) = @_; |
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$encoding ||= "ascii"; |
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return $value if !$value; |
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if ($_has_Encode) { |
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my $ret; |
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eval { $ret = Encode::decode($encoding, $value) }; |
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return $@ ? "" : $ret; |
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} |
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elsif ($_legacy_mode) { |
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my $ret; |
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eval { $ret = Unicode::Lite::convert($encoding, "latin1", $value) }; |
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return $@ ? $value : $ret; |
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} |
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else { |
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return $value; |
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} |
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} |
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sub octet_to_encoding { |
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my ($encoding, $value) = @_; |
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$encoding ||= "ascii"; |
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return $value if !$value; |
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if ($_has_Encode) { |
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my $ret; |
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eval { $ret = Encode::encode($encoding, $value) }; |
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return $@ ? $value : $ret; |
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} |
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elsif ($_legacy_mode) { |
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my $ret; |
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eval { $ret = Unicode::Lite::convert("utf8", $encoding, $value) }; |
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return $@ ? "" : $ret; |
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} |
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else { |
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return $value; |
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} |
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} |
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1; |
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=head1 NAME |
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WWW::Webrobot::MyEncode - Subroutines for 'Encode' |
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=head1 SYNOPSIS |
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octet_to_internal_utf8("iso-8859-1", "a text"); |
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octet_to_encoding("iso-8859-1", "a text"); |
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=head1 DESCRIPTION |
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86
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Data conversion |
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=head1 METHODS |
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90
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=over |
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=item octet_to_internal_utf8($encoding, $text) |
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94
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Assume C<$text> is in octet form, but is a valid encoding C<$encoding> |
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and convert it to Perls internal form (utf-8). |
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=item octet_to_encoding($encoding, $text) |
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99
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Assume C<$text> is in octet form an convert it to encoding C<$encoding>. |
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101
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=back |
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103
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=cut |