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root / lib / redmine / codeset_util.rb @ 912:5e80956cc792
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| 1 | 441:cbce1fd3b1b7 | Chris | require 'iconv'
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| 2 | |||
| 3 | module Redmine |
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| 4 | module CodesetUtil |
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| 5 | |||
| 6 | def self.replace_invalid_utf8(str) |
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| 7 | return str if str.nil? |
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| 8 | if str.respond_to?(:force_encoding) |
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| 9 | str.force_encoding('UTF-8')
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| 10 | if ! str.valid_encoding?
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| 11 | str = str.encode("US-ASCII", :invalid => :replace, |
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| 12 | :undef => :replace, :replace => '?').encode("UTF-8") |
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| 13 | end
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| 14 | 909:cbb26bc654de | Chris | elsif RUBY_PLATFORM == 'java' |
| 15 | begin
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| 16 | ic = Iconv.new('UTF-8', 'UTF-8') |
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| 17 | str = ic.iconv(str) |
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| 18 | rescue
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| 19 | str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?') |
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| 20 | end
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| 21 | 441:cbce1fd3b1b7 | Chris | else
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| 22 | ic = Iconv.new('UTF-8', 'UTF-8') |
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| 23 | txtar = ""
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| 24 | begin
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| 25 | txtar += ic.iconv(str) |
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| 26 | rescue Iconv::IllegalSequence |
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| 27 | txtar += $!.success
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| 28 | str = '?' + $!.failed[1,$!.failed.length] |
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| 29 | retry
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| 30 | rescue
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| 31 | txtar += $!.success
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| 32 | end
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| 33 | str = txtar |
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| 34 | end
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| 35 | str |
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| 36 | end
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| 37 | 909:cbb26bc654de | Chris | |
| 38 | def self.to_utf8(str, encoding) |
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| 39 | return str if str.nil? |
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| 40 | str.force_encoding("ASCII-8BIT") if str.respond_to?(:force_encoding) |
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| 41 | if str.empty?
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| 42 | str.force_encoding("UTF-8") if str.respond_to?(:force_encoding) |
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| 43 | return str
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| 44 | end
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| 45 | enc = encoding.blank? ? "UTF-8" : encoding
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| 46 | if str.respond_to?(:force_encoding) |
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| 47 | if enc.upcase != "UTF-8" |
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| 48 | str.force_encoding(enc) |
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| 49 | str = str.encode("UTF-8", :invalid => :replace, |
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| 50 | :undef => :replace, :replace => '?') |
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| 51 | else
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| 52 | str.force_encoding("UTF-8")
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| 53 | if ! str.valid_encoding?
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| 54 | str = str.encode("US-ASCII", :invalid => :replace, |
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| 55 | :undef => :replace, :replace => '?').encode("UTF-8") |
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| 56 | end
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| 57 | end
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| 58 | elsif RUBY_PLATFORM == 'java' |
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| 59 | begin
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| 60 | ic = Iconv.new('UTF-8', enc) |
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| 61 | str = ic.iconv(str) |
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| 62 | rescue
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| 63 | str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?') |
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| 64 | end
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| 65 | else
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| 66 | ic = Iconv.new('UTF-8', enc) |
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| 67 | txtar = ""
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| 68 | begin
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| 69 | txtar += ic.iconv(str) |
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| 70 | rescue Iconv::IllegalSequence |
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| 71 | txtar += $!.success
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| 72 | str = '?' + $!.failed[1,$!.failed.length] |
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| 73 | retry
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| 74 | rescue
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| 75 | txtar += $!.success
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| 76 | end
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| 77 | str = txtar |
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| 78 | end
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| 79 | str |
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| 80 | end
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| 81 | |||
| 82 | def self.to_utf8_by_setting(str) |
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| 83 | return str if str.nil? |
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| 84 | str = self.to_utf8_by_setting_internal(str)
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| 85 | if str.respond_to?(:force_encoding) |
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| 86 | str.force_encoding('UTF-8')
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| 87 | end
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| 88 | str |
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| 89 | end
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| 90 | |||
| 91 | def self.to_utf8_by_setting_internal(str) |
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| 92 | return str if str.nil? |
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| 93 | if str.respond_to?(:force_encoding) |
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| 94 | str.force_encoding('ASCII-8BIT')
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| 95 | end
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| 96 | return str if str.empty? |
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| 97 | return str if /\A[\r\n\t\x20-\x7e]*\Z/n.match(str) # for us-ascii |
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| 98 | if str.respond_to?(:force_encoding) |
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| 99 | str.force_encoding('UTF-8')
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| 100 | end
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| 101 | encodings = Setting.repositories_encodings.split(',').collect(&:strip) |
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| 102 | encodings.each do |encoding|
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| 103 | begin
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| 104 | return Iconv.conv('UTF-8', encoding, str) |
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| 105 | rescue Iconv::Failure |
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| 106 | # do nothing here and try the next encoding
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| 107 | end
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| 108 | end
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| 109 | str = self.replace_invalid_utf8(str)
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| 110 | if str.respond_to?(:force_encoding) |
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| 111 | str.force_encoding('UTF-8')
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| 112 | end
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| 113 | str |
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| 114 | end
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| 115 | |||
| 116 | def self.from_utf8(str, encoding) |
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| 117 | str ||= ''
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| 118 | if str.respond_to?(:force_encoding) |
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| 119 | str.force_encoding('UTF-8')
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| 120 | if encoding.upcase != 'UTF-8' |
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| 121 | str = str.encode(encoding, :invalid => :replace, |
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| 122 | :undef => :replace, :replace => '?') |
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| 123 | else
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| 124 | str = self.replace_invalid_utf8(str)
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| 125 | end
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| 126 | elsif RUBY_PLATFORM == 'java' |
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| 127 | begin
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| 128 | ic = Iconv.new(encoding, 'UTF-8') |
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| 129 | str = ic.iconv(str) |
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| 130 | rescue
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| 131 | str = str.gsub(%r{[^\r\n\t\x20-\x7e]}, '?') |
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| 132 | end
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| 133 | else
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| 134 | ic = Iconv.new(encoding, 'UTF-8') |
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| 135 | txtar = ""
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| 136 | begin
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| 137 | txtar += ic.iconv(str) |
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| 138 | rescue Iconv::IllegalSequence |
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| 139 | txtar += $!.success
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| 140 | str = '?' + $!.failed[1, $!.failed.length] |
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| 141 | retry
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| 142 | rescue
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| 143 | txtar += $!.success
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| 144 | end
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| 145 | str = txtar |
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| 146 | end
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| 147 | end
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| 148 | 441:cbce1fd3b1b7 | Chris | end
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| 149 | end |