38ae064b8a
Sam Ruby has been doing a bang-up job fixing the bugs in REXML. Who knows when these improvements will trickle down to vendor distributions of Ruby. In the meantime, let's bundle the latest version of REXML with Instiki. We check the version number of the bundled REXML against that of the System REXML, and use whichever is later.
72 lines
2.1 KiB
Ruby
72 lines
2.1 KiB
Ruby
# -*- mode: ruby; ruby-indent-level: 2; indent-tabs-mode: t; tab-width: 2 -*- vim: sw=2 ts=2
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module REXML
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module Encoding
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@encoding_methods = {}
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def self.register(enc, &block)
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@encoding_methods[enc] = block
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end
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def self.apply(obj, enc)
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@encoding_methods[enc][obj]
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end
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def self.encoding_method(enc)
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@encoding_methods[enc]
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end
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# Native, default format is UTF-8, so it is declared here rather than in
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# an encodings/ definition.
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UTF_8 = 'UTF-8'
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UTF_16 = 'UTF-16'
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UNILE = 'UNILE'
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# ID ---> Encoding name
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attr_reader :encoding
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def encoding=( enc )
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old_verbosity = $VERBOSE
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begin
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$VERBOSE = false
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enc = enc.nil? ? nil : enc.upcase
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return false if defined? @encoding and enc == @encoding
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if enc and enc != UTF_8
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@encoding = enc
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raise ArgumentError, "Bad encoding name #@encoding" unless @encoding =~ /^[\w-]+$/
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@encoding.untaint
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begin
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require 'rexml/encodings/ICONV.rb'
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Encoding.apply(self, "ICONV")
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rescue LoadError, Exception
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begin
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enc_file = File.join( "rexml", "encodings", "#@encoding.rb" )
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require enc_file
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Encoding.apply(self, @encoding)
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rescue LoadError => err
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puts err.message
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raise ArgumentError, "No decoder found for encoding #@encoding. Please install iconv."
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end
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end
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else
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@encoding = UTF_8
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require 'rexml/encodings/UTF-8.rb'
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Encoding.apply(self, @encoding)
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end
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ensure
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$VERBOSE = old_verbosity
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end
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true
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end
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def check_encoding str
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# We have to recognize UTF-16, LSB UTF-16, and UTF-8
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if str[0,2] == "\xfe\xff"
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str[0,2] = ""
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return UTF_16
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elsif str[0,2] == "\xff\xfe"
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str[0,2] = ""
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return UNILE
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end
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str =~ /^\s*<\?xml\s+version\s*=\s*(['"]).*?\1\s+encoding\s*=\s*(["'])(.*?)\2/m
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return $3.upcase if $3
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return UTF_8
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end
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end
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end
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