Class: Analects::Models::Zi

Inherits:
Object
  • Object
show all
Defined in:
lib/analects/models/zi.rb

Constant Summary collapse

RANGES = 
IceNine.deep_freeze(
  unified:
  { :name => "CJK Unified Ideographs",
    :range => 0x4E00 .. 0x9FFF, # Ox9FC4..9FFF have no Unihan data
    :sort_diff => -0x4E00
  },
  extension_A:
  { :name => "CJK Unified Ideographs Extension A",
    :range => 0x3400 .. 0x4DBF, # 0x4DB6..4DBF have no Unihan data
    :sort_diff => 0x1E00
  },
  extension_B:
  { :name => "CJK Unified Ideographs Extension B",
    :range => 0x20000 .. 0x2A6DF, # 0x2A6D7..2A6DF have no Unihan data
    :sort_diff => -0x19400
  },
  compatibility:
  { :name => "CJK Compatibility Ideographs",
    :range => 0xF900 .. 0xFAFF, # 0xFADA..FAFF; 0xFA2E..0xFA2F; 0xFA6B..0xFA6F have no Unihan data
    :sort_diff => 0xFD00
  },
  supplement:
  { :name => "CJK Compatibility Ideographs Supplement",
    :range => 0x2F800 .. 0x2FA1F, # 0x2FA1E..0x2FA1F have no Unihan data
    :sort_diff => -0x10000
  },
  radicals_supplement:
  { name: "CJK Radicals supplement",
    range: 0x2E80 .. 0x2EFF
  },
  kangxi_radicals:
  { name: "Kangxi Radicals",
    range: 0x2F00 .. 0x2FDF
  }
)
REGEXP =

Regexp that matches a single CJK character

Regexp.union(
  codepoint_ranges.map { |range|
    Regexp.new('[\u{%s}-\u{%s}]' % [ range.begin.to_s(16), range.end.to_s(16) ])
  }
)
ANTIREGEXP = 
Regexp.new(
  '[^'+
  codepoint_ranges.map { |range| '\u{%s}-\u{%s}' % [ range.begin.to_s(16), range.end.to_s(16) ] }.join +
  ']'
)

Class Method Summary collapse

Class Method Details

.codepoint_ranges ⇒ Object 



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# File 'lib/analects/models/zi.rb', line 40

def self.codepoint_ranges
  RANGES.values.map{|v| v[:range]}
end

.each_radical(&block) ⇒ Object 



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# File 'lib/analects/models/zi.rb', line 57

def self.each_radical(&block)
  RANGES[:kangxi_radicals][:range].each do |codepoint|
    block.([codepoint].pack('U'))
  end
end