/tools/Ruby/lib/ruby/1.8/rexml/encodings/CP-1252.rb

http://github.com/agross/netopenspace · Ruby · 103 lines · 91 code · 2 blank · 10 comment · 1 complexity · c83865cc0a0e1af52519e5a791d8149a MD5 · raw file

  1. #
  2. # This class was contributed by Mikko Tiihonen mikko DOT tiihonen AT hut DOT fi
  3. #
  4. module REXML
  5. module Encoding
  6. register( "CP-1252" ) do |o|
  7. class << o
  8. alias encode encode_cp1252
  9. alias decode decode_cp1252
  10. end
  11. end
  12. # Convert from UTF-8
  13. def encode_cp1252(content)
  14. array_utf8 = content.unpack('U*')
  15. array_enc = []
  16. array_utf8.each do |num|
  17. case num
  18. # shortcut first bunch basic characters
  19. when 0..0xFF; array_enc << num
  20. # characters added compared to iso-8859-1
  21. when 0x20AC; array_enc << 0x80 # 0xe2 0x82 0xac
  22. when 0x201A; array_enc << 0x82 # 0xe2 0x82 0x9a
  23. when 0x0192; array_enc << 0x83 # 0xc6 0x92
  24. when 0x201E; array_enc << 0x84 # 0xe2 0x82 0x9e
  25. when 0x2026; array_enc << 0x85 # 0xe2 0x80 0xa6
  26. when 0x2020; array_enc << 0x86 # 0xe2 0x80 0xa0
  27. when 0x2021; array_enc << 0x87 # 0xe2 0x80 0xa1
  28. when 0x02C6; array_enc << 0x88 # 0xcb 0x86
  29. when 0x2030; array_enc << 0x89 # 0xe2 0x80 0xb0
  30. when 0x0160; array_enc << 0x8A # 0xc5 0xa0
  31. when 0x2039; array_enc << 0x8B # 0xe2 0x80 0xb9
  32. when 0x0152; array_enc << 0x8C # 0xc5 0x92
  33. when 0x017D; array_enc << 0x8E # 0xc5 0xbd
  34. when 0x2018; array_enc << 0x91 # 0xe2 0x80 0x98
  35. when 0x2019; array_enc << 0x92 # 0xe2 0x80 0x99
  36. when 0x201C; array_enc << 0x93 # 0xe2 0x80 0x9c
  37. when 0x201D; array_enc << 0x94 # 0xe2 0x80 0x9d
  38. when 0x2022; array_enc << 0x95 # 0xe2 0x80 0xa2
  39. when 0x2013; array_enc << 0x96 # 0xe2 0x80 0x93
  40. when 0x2014; array_enc << 0x97 # 0xe2 0x80 0x94
  41. when 0x02DC; array_enc << 0x98 # 0xcb 0x9c
  42. when 0x2122; array_enc << 0x99 # 0xe2 0x84 0xa2
  43. when 0x0161; array_enc << 0x9A # 0xc5 0xa1
  44. when 0x203A; array_enc << 0x9B # 0xe2 0x80 0xba
  45. when 0x0152; array_enc << 0x9C # 0xc5 0x93
  46. when 0x017E; array_enc << 0x9E # 0xc5 0xbe
  47. when 0x0178; array_enc << 0x9F # 0xc5 0xb8
  48. else
  49. # all remaining basic characters can be used directly
  50. if num <= 0xFF
  51. array_enc << num
  52. else
  53. # Numeric entity (&#nnnn;); shard by Stefan Scholl
  54. array_enc.concat "&\##{num};".unpack('C*')
  55. end
  56. end
  57. end
  58. array_enc.pack('C*')
  59. end
  60. # Convert to UTF-8
  61. def decode_cp1252(str)
  62. array_latin9 = str.unpack('C*')
  63. array_enc = []
  64. array_latin9.each do |num|
  65. case num
  66. # characters that added compared to iso-8859-1
  67. when 0x80; array_enc << 0x20AC # 0xe2 0x82 0xac
  68. when 0x82; array_enc << 0x201A # 0xe2 0x82 0x9a
  69. when 0x83; array_enc << 0x0192 # 0xc6 0x92
  70. when 0x84; array_enc << 0x201E # 0xe2 0x82 0x9e
  71. when 0x85; array_enc << 0x2026 # 0xe2 0x80 0xa6
  72. when 0x86; array_enc << 0x2020 # 0xe2 0x80 0xa0
  73. when 0x87; array_enc << 0x2021 # 0xe2 0x80 0xa1
  74. when 0x88; array_enc << 0x02C6 # 0xcb 0x86
  75. when 0x89; array_enc << 0x2030 # 0xe2 0x80 0xb0
  76. when 0x8A; array_enc << 0x0160 # 0xc5 0xa0
  77. when 0x8B; array_enc << 0x2039 # 0xe2 0x80 0xb9
  78. when 0x8C; array_enc << 0x0152 # 0xc5 0x92
  79. when 0x8E; array_enc << 0x017D # 0xc5 0xbd
  80. when 0x91; array_enc << 0x2018 # 0xe2 0x80 0x98
  81. when 0x92; array_enc << 0x2019 # 0xe2 0x80 0x99
  82. when 0x93; array_enc << 0x201C # 0xe2 0x80 0x9c
  83. when 0x94; array_enc << 0x201D # 0xe2 0x80 0x9d
  84. when 0x95; array_enc << 0x2022 # 0xe2 0x80 0xa2
  85. when 0x96; array_enc << 0x2013 # 0xe2 0x80 0x93
  86. when 0x97; array_enc << 0x2014 # 0xe2 0x80 0x94
  87. when 0x98; array_enc << 0x02DC # 0xcb 0x9c
  88. when 0x99; array_enc << 0x2122 # 0xe2 0x84 0xa2
  89. when 0x9A; array_enc << 0x0161 # 0xc5 0xa1
  90. when 0x9B; array_enc << 0x203A # 0xe2 0x80 0xba
  91. when 0x9C; array_enc << 0x0152 # 0xc5 0x93
  92. when 0x9E; array_enc << 0x017E # 0xc5 0xbe
  93. when 0x9F; array_enc << 0x0178 # 0xc5 0xb8
  94. else
  95. array_enc << num
  96. end
  97. end
  98. array_enc.pack('U*')
  99. end
  100. end
  101. end