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ruby--ruby/lib/rexml/encoding.rb
matz 95b7ffce0f * lib/rexml/encoding.rb (encoding=): oops, shouldn't have
checked in without Sean's concent.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4051 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2003-07-09 22:32:54 +00:00

62 lines
1.6 KiB
Ruby

module REXML
module Encoding
@@uconv_available = false
ENCODING_CLAIMS = { }
def Encoding.claim( encoding_str, match=nil )
if match
ENCODING_CLAIMS[ match ] = encoding_str
else
ENCODING_CLAIMS[ /^\s*<?xml\s*version=(['"]).*?\1\s*encoding=(["'])#{encoding_str}\2/i ] = encoding_str
end
end
# Native, default format is UTF-8, so it is declared here rather than in
# an encodings/ definition.
UTF_8 = 'UTF-8'
claim( UTF_8 )
# ID ---> Encoding name
attr_reader :encoding
def encoding=( enc )
enc = UTF_8 unless enc
@encoding = enc.upcase
require "rexml/encodings/#@encoding" unless @encoding == UTF_8
end
def check_encoding str
rv = ENCODING_CLAIMS.find{|k,v| str =~ k }
# Raise an exception if there is a declared encoding and we don't
# recognize it
unless rv
if str =~ /^\s*<?xml\s*version=(['"]).*?\1\s*encoding=(["'])(.*?)\2/
raise "A matching encoding handler was not found for encoding '#{$3}', or the encoding handler failed to load due to a missing support library (such as uconv)."
else
return UTF_8
end
end
return rv[1]
end
def to_utf_8(str)
return str
end
def from_utf_8 content
return content
end
end
module Encodingses
encodings = []
$:.each do |incl_dir|
if Dir[ File.join(incl_dir, 'rexml', 'encodings') ].size > 0
encodings |= Dir[ File.join(incl_dir, 'rexml', 'encodings', '*_decl.rb') ]
end
encodings.collect!{ |f| File.basename(f) }
encodings.uniq!
end
encodings.each { |enc| require "rexml/encodings/#{enc}" }
end
end