diff options
Diffstat (limited to 'tool/jisx0208.rb')
-rw-r--r-- | tool/jisx0208.rb | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/tool/jisx0208.rb b/tool/jisx0208.rb deleted file mode 100644 index 30185fb81b..0000000000 --- a/tool/jisx0208.rb +++ /dev/null @@ -1,86 +0,0 @@ -# Library used by tools/enc-emoji-citrus-gen.rb - -module JISX0208 - class Char - class << self - def from_sjis(sjis) - unless 0x8140 <= sjis && sjis <= 0xFCFC - raise ArgumentError, "out of the range of JIS X 0208: 0x#{sjis.to_s(16)}" - end - sjis_hi, sjis_lo = sjis >> 8, sjis & 0xFF - sjis_hi = (sjis_hi - ((sjis_hi <= 0x9F) ? 0x80 : 0xC0)) << 1 - if sjis_lo <= 0x9E - sjis_hi -= 1 - sjis_lo -= (sjis_lo <= 0x7E) ? 0x3F : 0x40 - else - sjis_lo -= 0x9E - end - return self.new(sjis_hi, sjis_lo) - end - end - - def initialize(row, cell=nil) - if cell - @code = row_cell_to_code(row, cell) - else - @code = row.to_int - end - end - - def ==(other) - if self.class === other - return Integer(self) == Integer(other) - end - return super(other) - end - - def to_int - return @code - end - - def hi - Integer(self) >> 8 - end - - def lo - Integer(self) & 0xFF - end - - def row - self.hi - 0x20 - end - - def cell - self.lo - 0x20 - end - - def succ - succ_hi, succ_lo = self.hi, self.lo + 1 - if succ_lo > 0x7E - succ_lo = 0x21 - succ_hi += 1 - end - return self.class.new(succ_hi << 8 | succ_lo) - end - - def to_sjis - h, l = self.hi, self.lo - h = (h + 1) / 2 + ((0x21..0x5E).include?(h) ? 0x70 : 0xB0) - l += self.hi.odd? ? 0x1F + ((l >= 0x60) ? 1 : 0) : 0x7E - return h << 8 | l - end - - def inspect - "#<JISX0208::Char:#{self.object_id.to_s(16)} sjis=#{self.to_sjis.to_s(16)} jis=#{self.to_int.to_s(16)}>" - end - - private - - def row_cell_to_code(row, cell) - unless 0 < row && (1..94).include?(cell) - raise ArgumentError, "out of row-cell range: #{row}-#{cell}" - end - return (row + 0x20) << 8 | (cell + 0x20) - end - end -end |