99 lines
3.9 KiB
Ruby
99 lines
3.9 KiB
Ruby
#
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# This class was contributed by Mikko Tiihonen mikko DOT tiihonen AT hut DOT fi
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#
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module REXML
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module Encoding
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@@__REXML_encoding_methods = %q~
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# Convert from UTF-8
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def encode content
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array_utf8 = content.unpack('U*')
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array_enc = []
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array_utf8.each do |num|
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case num
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# shortcut first bunch basic characters
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when 0..0xFF: array_enc << num
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# characters added compared to iso-8859-1
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when 0x20AC: array_enc << 0x80 # 0xe2 0x82 0xac
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when 0x201A: array_enc << 0x82 # 0xe2 0x82 0x9a
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when 0x0192: array_enc << 0x83 # 0xc6 0x92
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when 0x201E: array_enc << 0x84 # 0xe2 0x82 0x9e
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when 0x2026: array_enc << 0x85 # 0xe2 0x80 0xa6
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when 0x2020: array_enc << 0x86 # 0xe2 0x80 0xa0
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when 0x2021: array_enc << 0x87 # 0xe2 0x80 0xa1
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when 0x02C6: array_enc << 0x88 # 0xcb 0x86
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when 0x2030: array_enc << 0x89 # 0xe2 0x80 0xb0
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when 0x0160: array_enc << 0x8A # 0xc5 0xa0
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when 0x2039: array_enc << 0x8B # 0xe2 0x80 0xb9
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when 0x0152: array_enc << 0x8C # 0xc5 0x92
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when 0x017D: array_enc << 0x8E # 0xc5 0xbd
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when 0x2018: array_enc << 0x91 # 0xe2 0x80 0x98
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when 0x2019: array_enc << 0x92 # 0xe2 0x80 0x99
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when 0x201C: array_enc << 0x93 # 0xe2 0x80 0x9c
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when 0x201D: array_enc << 0x94 # 0xe2 0x80 0x9d
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when 0x2022: array_enc << 0x95 # 0xe2 0x80 0xa2
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when 0x2013: array_enc << 0x96 # 0xe2 0x80 0x93
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when 0x2014: array_enc << 0x97 # 0xe2 0x80 0x94
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when 0x02DC: array_enc << 0x98 # 0xcb 0x9c
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when 0x2122: array_enc << 0x99 # 0xe2 0x84 0xa2
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when 0x0161: array_enc << 0x9A # 0xc5 0xa1
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when 0x203A: array_enc << 0x9B # 0xe2 0x80 0xba
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when 0x0152: array_enc << 0x9C # 0xc5 0x93
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when 0x017E: array_enc << 0x9E # 0xc5 0xbe
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when 0x0178: array_enc << 0x9F # 0xc5 0xb8
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else
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# all remaining basic characters can be used directly
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if num <= 0xFF
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array_enc << num
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else
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# Numeric entity (&#nnnn;); shard by Stefan Scholl
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array_enc.concat "&\##{num};".unpack('C*')
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end
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end
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end
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array_enc.pack('C*')
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end
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# Convert to UTF-8
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def decode(str)
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array_latin9 = str.unpack('C*')
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array_enc = []
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array_latin9.each do |num|
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case num
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# characters that added compared to iso-8859-1
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when 0x80: array_enc << 0x20AC # 0xe2 0x82 0xac
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when 0x82: array_enc << 0x201A # 0xe2 0x82 0x9a
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when 0x83: array_enc << 0x0192 # 0xc6 0x92
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when 0x84: array_enc << 0x201E # 0xe2 0x82 0x9e
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when 0x85: array_enc << 0x2026 # 0xe2 0x80 0xa6
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when 0x86: array_enc << 0x2020 # 0xe2 0x80 0xa0
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when 0x87: array_enc << 0x2021 # 0xe2 0x80 0xa1
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when 0x88: array_enc << 0x02C6 # 0xcb 0x86
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when 0x89: array_enc << 0x2030 # 0xe2 0x80 0xb0
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when 0x8A: array_enc << 0x0160 # 0xc5 0xa0
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when 0x8B: array_enc << 0x2039 # 0xe2 0x80 0xb9
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when 0x8C: array_enc << 0x0152 # 0xc5 0x92
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when 0x8E: array_enc << 0x017D # 0xc5 0xbd
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when 0x91: array_enc << 0x2018 # 0xe2 0x80 0x98
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when 0x92: array_enc << 0x2019 # 0xe2 0x80 0x99
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when 0x93: array_enc << 0x201C # 0xe2 0x80 0x9c
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when 0x94: array_enc << 0x201D # 0xe2 0x80 0x9d
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when 0x95: array_enc << 0x2022 # 0xe2 0x80 0xa2
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when 0x96: array_enc << 0x2013 # 0xe2 0x80 0x93
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when 0x97: array_enc << 0x2014 # 0xe2 0x80 0x94
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when 0x98: array_enc << 0x02DC # 0xcb 0x9c
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when 0x99: array_enc << 0x2122 # 0xe2 0x84 0xa2
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when 0x9A: array_enc << 0x0161 # 0xc5 0xa1
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when 0x9B: array_enc << 0x203A # 0xe2 0x80 0xba
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when 0x9C: array_enc << 0x0152 # 0xc5 0x93
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when 0x9E: array_enc << 0x017E # 0xc5 0xbe
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when 0x9F: array_enc << 0x0178 # 0xc5 0xb8
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else
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array_enc << num
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end
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end
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array_enc.pack('U*')
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end
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~
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end
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end
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