Class: SpecialCasing

Inherits:
Object
  • Object
show all
Defined in:
ext/encoding/character/utf-8/data/generate-unicode-data.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ SpecialCasing

Returns a new instance of SpecialCasing.



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# File 'ext/encoding/character/utf-8/data/generate-unicode-data.rb', line 286

def initialize
  @offset = 0
end

Instance Method Details

#process(data) ⇒ Object 



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# File 'ext/encoding/character/utf-8/data/generate-unicode-data.rb', line 290

def process(data)
  path = File.join(data.dir, 'SpecialCasing.txt')
  File.process(path) do |line|
    fields = line.chomp.sub(/\s*#.*/, '').split(/\s*;\s*/, -1)
    fields.verify_size((5..6), path, CASE_CODE)
    raw_code, code = fields[CASE_CODE], fields[CASE_CODE].to_i(16)
    unless data.type[code].nil?
	# We ignore conditional special cases
	next if fields.size == 6

	case data.type[code]
	when 'Lu'
 fields.verify_field(CASE_UPPER, code, path, raw_code, 'Lu', 'Upper')
 add_special_case(data, code, data.value[code],
	   fields[CASE_LOWER], fields[CASE_TITLE])
	when 'Lt'
 fields.verify_field(CASE_TITLE, code, path, raw_code, 'Lt', 'Title')
 add_special_case(data, code, nil,
	   fields[CASE_LOWER], fields[CASE_UPPER])
	when 'Ll'
 fields.verify_field(CASE_LOWER, code, path, raw_code, 'Ll', 'Lower')
 add_special_case(data, code, data.value[code],
	   fields[CASE_UPPER], fields[CASE_TITLE])
	else
 error("special case for non-alphabetic code point:\n" +
"    file: %s\n" +
"    type: %s\n" +
"    code point/entry: %s\n",
path, data.type[code], raw_code)
	end
    else
	error("special case for code point which doesn't have a type:\n" +
     "    file: %s\n" +
     "    code point/entry: %d\n",
     path, code)
    end
  end
end