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root / .svn / pristine / d0 / d0cb7ff899061c806d3cee6fe597edd800fee259.svn-base @ 1297:0a574315af3e
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require 'iconv' |
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|
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module Redmine |
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module CodesetUtil |
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|
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def self.replace_invalid_utf8(str) |
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return str if str.nil? |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('UTF-8')
|
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if ! str.valid_encoding? |
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str = str.encode("US-ASCII", :invalid => :replace,
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:undef => :replace, :replace => '?').encode("UTF-8")
|
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end |
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elsif RUBY_PLATFORM == 'java' |
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begin |
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ic = Iconv.new('UTF-8', 'UTF-8')
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str = ic.iconv(str) |
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rescue |
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str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?')
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end |
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else |
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ic = Iconv.new('UTF-8', 'UTF-8')
|
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txtar = "" |
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begin |
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txtar += ic.iconv(str) |
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rescue Iconv::IllegalSequence |
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txtar += $!.success |
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str = '?' + $!.failed[1,$!.failed.length] |
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retry |
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rescue |
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txtar += $!.success |
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end |
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str = txtar |
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end |
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str |
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end |
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|
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def self.to_utf8(str, encoding) |
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return str if str.nil? |
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str.force_encoding("ASCII-8BIT") if str.respond_to?(:force_encoding)
|
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if str.empty? |
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str.force_encoding("UTF-8") if str.respond_to?(:force_encoding)
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return str |
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end |
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enc = encoding.blank? ? "UTF-8" : encoding |
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if str.respond_to?(:force_encoding) |
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if enc.upcase != "UTF-8" |
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str.force_encoding(enc) |
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str = str.encode("UTF-8", :invalid => :replace,
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:undef => :replace, :replace => '?') |
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else |
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str.force_encoding("UTF-8")
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if ! str.valid_encoding? |
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str = str.encode("US-ASCII", :invalid => :replace,
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:undef => :replace, :replace => '?').encode("UTF-8")
|
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end |
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end |
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elsif RUBY_PLATFORM == 'java' |
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begin |
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ic = Iconv.new('UTF-8', enc)
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str = ic.iconv(str) |
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rescue |
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str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?')
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end |
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else |
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ic = Iconv.new('UTF-8', enc)
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txtar = "" |
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begin |
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txtar += ic.iconv(str) |
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rescue Iconv::IllegalSequence |
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txtar += $!.success |
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str = '?' + $!.failed[1,$!.failed.length] |
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retry |
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rescue |
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txtar += $!.success |
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end |
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str = txtar |
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end |
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str |
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end |
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|
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def self.to_utf8_by_setting(str) |
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return str if str.nil? |
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str = self.to_utf8_by_setting_internal(str) |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('UTF-8')
|
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end |
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str |
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end |
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|
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def self.to_utf8_by_setting_internal(str) |
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return str if str.nil? |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('ASCII-8BIT')
|
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end |
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return str if str.empty? |
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return str if /\A[\r\n\t\x20-\x7e]*\Z/n.match(str) # for us-ascii |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('UTF-8')
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end |
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encodings = Setting.repositories_encodings.split(',').collect(&:strip)
|
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encodings.each do |encoding| |
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begin |
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return Iconv.conv('UTF-8', encoding, str)
|
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rescue Iconv::Failure |
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# do nothing here and try the next encoding |
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end |
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end |
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str = self.replace_invalid_utf8(str) |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('UTF-8')
|
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end |
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str |
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end |
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|
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def self.from_utf8(str, encoding) |
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str ||= '' |
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if str.respond_to?(:force_encoding) |
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str.force_encoding('UTF-8')
|
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if encoding.upcase != 'UTF-8' |
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str = str.encode(encoding, :invalid => :replace, |
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:undef => :replace, :replace => '?') |
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else |
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str = self.replace_invalid_utf8(str) |
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end |
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elsif RUBY_PLATFORM == 'java' |
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begin |
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ic = Iconv.new(encoding, 'UTF-8') |
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str = ic.iconv(str) |
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rescue |
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str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?')
|
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end |
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else |
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ic = Iconv.new(encoding, 'UTF-8') |
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txtar = "" |
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begin |
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txtar += ic.iconv(str) |
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rescue Iconv::IllegalSequence |
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txtar += $!.success |
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str = '?' + $!.failed[1, $!.failed.length] |
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retry |
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rescue |
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txtar += $!.success |
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end |
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str = txtar |
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end |
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end |
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end |
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end |