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-rw-r--r--Master/tlpkg/tlperl/lib/Encode/compat/common.pm127
1 files changed, 127 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/Encode/compat/common.pm b/Master/tlpkg/tlperl/lib/Encode/compat/common.pm
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+++ b/Master/tlpkg/tlperl/lib/Encode/compat/common.pm
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+# $File: //member/autrijus/Encode-compat/lib/Encode/compat/common.pm $ $Author: autrijus $
+# $Revision: #7 $ $Change: 10024 $ $DateTime: 2004/02/13 21:42:35 $
+
+package Encode::compat::common;
+our $VERSION = '0.06';
+
+1;
+
+package Encode;
+
+use strict;
+our $VERSION = '0.06';
+
+our @EXPORT = qw(
+ decode decode_utf8 encode encode_utf8
+ encodings find_encoding
+);
+
+use constant DIE_ON_ERR => 1;
+use constant WARN_ON_ERR => 2;
+use constant RETURN_ON_ERR => 4;
+use constant LEAVE_SRC => 8;
+
+use constant PERLQQ => 256;
+use constant HTMLCREF => 512;
+use constant XMLCREF => 1024;
+
+use constant FB_DEFAULT => 0;
+use constant FB_CROAK => 1;
+use constant FB_QUIET => 4;
+use constant FB_WARN => 6;
+use constant FB_PERLQQ => 256;
+use constant FB_HTMLCREF => 512;
+use constant FB_XMLCREF => 1024;
+
+our @FB_FLAGS = qw(DIE_ON_ERR WARN_ON_ERR RETURN_ON_ERR LEAVE_SRC
+ PERLQQ HTMLCREF XMLCREF);
+our @FB_CONSTS = qw(FB_DEFAULT FB_CROAK FB_QUIET FB_WARN
+ FB_PERLQQ FB_HTMLCREF FB_XMLCREF);
+
+our @EXPORT_OK =
+ (
+ qw(
+ _utf8_off _utf8_on define_encoding from_to is_16bit is_8bit
+ is_utf8 perlio_ok resolve_alias utf8_downgrade utf8_upgrade
+ ),
+ @FB_FLAGS, @FB_CONSTS,
+ );
+
+our %EXPORT_TAGS =
+ (
+ all => [ @EXPORT, @EXPORT_OK ],
+ fallbacks => [ @FB_CONSTS ],
+ fallback_all => [ @FB_CONSTS, @FB_FLAGS ],
+ );
+
+sub from_to ($$$;$) {
+ use utf8;
+
+ # XXX: bad hack
+ if ($_[3] and $_[3] == FB_HTMLCREF() and lc($_[2]) eq 'latin1') {
+ $_[0] = join('', map {
+ ord($_) < 128
+ ? $_ : '&#' . ord($_) . ';'
+ } split(//, decode($_[1], $_[0])));
+ }
+ else {
+ $_[0] = _convert(@_[0..2]);
+ }
+}
+
+sub encodings {
+ # XXX: revisit
+ require Encode::Alias;
+ return sort values %Encode::Alias::Alias;
+}
+
+sub find_encoding {
+ return $_[0];
+}
+
+sub decode_utf8($;$) {
+ return decode("utf-8", @_);
+}
+
+sub encode_utf8($;$) {
+ return encode("utf-8", @_);
+}
+
+sub decode($$;$) {
+ my $result = ($_[0] =~ /utf-?8/i)
+ ? $_[1] : _convert($_[1], $_[0] => 'utf-8');
+ _utf8_on($result);
+ return $result;
+}
+
+sub encode($$;$) {
+ my $result = ($_[0] =~ /utf-?8/i)
+ ? $_[1] : _convert($_[1], 'utf-8' => $_[0]);
+ _utf8_off($result);
+ return $result;
+}
+
+{
+ my %decoder;
+ sub _convert {
+ require Text::Iconv;
+ Text::Iconv->raise_error(1);
+
+ require Encode::Alias;
+ my ($from, $to) = map {
+ s/^utf8$/utf-8/i;
+ s/^big5-eten$/big5/i;
+ $_;
+ } map {
+ Encode::Alias->find_alias($_) || lc($_)
+ } ($_[1], $_[2]);
+
+ my $result = ($from eq $to) ? $_[0] : (
+ $decoder{$from, $to} ||= Text::Iconv->new( $from, $to )
+ )->convert($_[0]);
+
+ return $result;
+ }
+}
+
+1;