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ruby--ruby/lib/rexml/encodings/ISO-8859-15.rb
ser ac4bee6fc3 Added support for CP-1252 and ISO-8859-15 encodings for non-iconv systems.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2004-05-16 15:19:22 +00:00

69 lines
2.2 KiB
Ruby

#
# This class was contributed by Mikko Tiihonen mikko DOT tiihonen AT hut DOT fi
#
module REXML
module Encoding
@@__REXML_encoding_methods = %q~
# Convert from UTF-8
def to_iso_8859_15 content
array_utf8 = content.unpack('U*')
array_enc = []
array_utf8.each do |num|
case num
# shortcut first bunch basic characters
when 0..0xA3: array_enc << num
# characters removed compared to iso-8859-1
when 0xA4: array_enc << '&#164;'
when 0xA6: array_enc << '&#166;'
when 0xA8: array_enc << '&#168;'
when 0xB4: array_enc << '&#180;'
when 0xB8: array_enc << '&#184;'
when 0xBC: array_enc << '&#188;'
when 0xBD: array_enc << '&#189;'
when 0xBE: array_enc << '&#190;'
# characters added compared to iso-8859-1
when 0x20AC: array_enc << 0xA4 # 0xe2 0x82 0xac
when 0x0160: array_enc << 0xA6 # 0xc5 0xa0
when 0x0161: array_enc << 0xA8 # 0xc5 0xa1
when 0x017D: array_enc << 0xB4 # 0xc5 0xbd
when 0x017E: array_enc << 0xB8 # 0xc5 0xbe
when 0x0152: array_enc << 0xBC # 0xc5 0x92
when 0x0153: array_enc << 0xBD # 0xc5 0x93
when 0x0178: array_enc << 0xBE # 0xc5 0xb8
else
# all remaining basic characters can be used directly
if num <= 0xFF
array_enc << num
else
# Numeric entity (&#nnnn;); shard by Stefan Scholl
array_enc.concat "&\##{num};".unpack('C*')
end
end
end
array_enc.pack('C*')
end
# Convert to UTF-8
def from_iso_8859_15(str)
array_latin9 = str.unpack('C*')
array_enc = []
array_latin9.each do |num|
case num
# characters that differ compared to iso-8859-1
when 0xA4: array_enc << 0x20AC
when 0xA6: array_enc << 0x0160
when 0xA8: array_enc << 0x0161
when 0xB4: array_enc << 0x017D
when 0xB8: array_enc << 0x017E
when 0xBC: array_enc << 0x0152
when 0xBD: array_enc << 0x0153
when 0xBE: array_enc << 0x0178
else
array_enc << num
end
end
array_enc.pack('U*')
end
~
end
end