diff options
author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:02:05 +0000 |
commit | 0dc342de848a642ecce8db697b8fecd83a63e117 (patch) | |
tree | 2b7ed4724aff1f86073e4740134bda9c4aac1a39 /trunk/lib/rexml/encoding.rb | |
parent | ef70cf7138ab8034b5b806f466e4b484b24f0f88 (diff) |
added tag v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/lib/rexml/encoding.rb')
-rw-r--r-- | trunk/lib/rexml/encoding.rb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/trunk/lib/rexml/encoding.rb b/trunk/lib/rexml/encoding.rb new file mode 100644 index 0000000000..608c69cd65 --- /dev/null +++ b/trunk/lib/rexml/encoding.rb @@ -0,0 +1,71 @@ +# -*- mode: ruby; ruby-indent-level: 2; indent-tabs-mode: t; tab-width: 2 -*- vim: sw=2 ts=2 +module REXML + module Encoding + @encoding_methods = {} + def self.register(enc, &block) + @encoding_methods[enc] = block + end + def self.apply(obj, enc) + @encoding_methods[enc][obj] + end + def self.encoding_method(enc) + @encoding_methods[enc] + end + + # Native, default format is UTF-8, so it is declared here rather than in + # an encodings/ definition. + UTF_8 = 'UTF-8' + UTF_16 = 'UTF-16' + UNILE = 'UNILE' + + # ID ---> Encoding name + attr_reader :encoding + def encoding=( enc ) + old_verbosity = $VERBOSE + begin + $VERBOSE = false + enc = enc.nil? ? nil : enc.upcase + return false if defined? @encoding and enc == @encoding + if enc and enc != UTF_8 + @encoding = enc + raise ArgumentError, "Bad encoding name #@encoding" unless @encoding =~ /^[\w-]+$/ + @encoding.untaint + begin + require 'rexml/encodings/ICONV.rb' + Encoding.apply(self, "ICONV") + rescue LoadError, Exception + begin + enc_file = File.join( "rexml", "encodings", "#@encoding.rb" ) + require enc_file + Encoding.apply(self, @encoding) + rescue LoadError => err + puts err.message + raise ArgumentError, "No decoder found for encoding #@encoding. Please install iconv." + end + end + else + @encoding = UTF_8 + require 'rexml/encodings/UTF-8.rb' + Encoding.apply(self, @encoding) + end + ensure + $VERBOSE = old_verbosity + end + true + end + + def check_encoding str + # We have to recognize UTF-16, LSB UTF-16, and UTF-8 + if str[0,2] == "\xfe\xff" + str[0,2] = "" + return UTF_16 + elsif str[0,2] == "\xff\xfe" + str[0,2] = "" + return UNILE + end + str =~ /^\s*<\?xml\s+version\s*=\s*(['"]).*?\1\s+encoding\s*=\s*(["'])(.*?)\2/m + return $3.upcase if $3 + return UTF_8 + end + end +end |