JezK
Edit File: encoding.rb
# -*- 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] == 0xfe && str[1] == 0xff str[0,2] = "" return UTF_16 elsif str[0] == 0xff && str[1] == 0xfe str[0,2] = "" return UNILE end str =~ /^\s*<\?xml\s+version\s*=\s*(['"]).*?\1\s+encoding\s*=\s*(["'])(.*?)\2/um return $3.upcase if $3 return UTF_8 end end end