73 lines
2.3 KiB
Ruby
73 lines
2.3 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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register("ISO-8859-15") do |o|
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alias encode to_iso_8859_15
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alias decode from_iso_8859_15
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end
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# Convert from UTF-8
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def to_iso_8859_15(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..0xA3; array_enc << num
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# characters removed compared to iso-8859-1
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when 0xA4; array_enc << '¤'
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when 0xA6; array_enc << '¦'
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when 0xA8; array_enc << '¨'
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when 0xB4; array_enc << '´'
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when 0xB8; array_enc << '¸'
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when 0xBC; array_enc << '¼'
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when 0xBD; array_enc << '½'
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when 0xBE; array_enc << '¾'
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# characters added compared to iso-8859-1
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when 0x20AC; array_enc << 0xA4 # 0xe2 0x82 0xac
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when 0x0160; array_enc << 0xA6 # 0xc5 0xa0
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when 0x0161; array_enc << 0xA8 # 0xc5 0xa1
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when 0x017D; array_enc << 0xB4 # 0xc5 0xbd
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when 0x017E; array_enc << 0xB8 # 0xc5 0xbe
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when 0x0152; array_enc << 0xBC # 0xc5 0x92
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when 0x0153; array_enc << 0xBD # 0xc5 0x93
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when 0x0178; array_enc << 0xBE # 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 from_iso_8859_15(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 differ compared to iso-8859-1
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when 0xA4; array_enc << 0x20AC
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when 0xA6; array_enc << 0x0160
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when 0xA8; array_enc << 0x0161
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when 0xB4; array_enc << 0x017D
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when 0xB8; array_enc << 0x017E
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when 0xBC; array_enc << 0x0152
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when 0xBD; array_enc << 0x0153
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when 0xBE; array_enc << 0x0178
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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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end
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end
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