Module: Tk::Encoding

Extended by:
Encoding
Included in:
Tk, Encoding
Defined in:
lib/tk.rb,
lib/tk.rb

Constant Summary collapse

TkCommandNames = 
['encoding'.freeze].freeze
RubyEncoding = 
::Encoding
BINARY_NAME =

for saving GC cost ENCNAMES_CMD = [‘encoding’.freeze, ‘names’.freeze]

'binary'.freeze
UTF8_NAME = 
'utf-8'.freeze
DEFAULT_EXTERNAL_NAME = 
RubyEncoding.default_external.name.freeze
BINARY = 
RubyEncoding.find(BINARY_NAME)
UNKNOWN = 
RubyEncoding.find('ASCII-8BIT')
ENCODING_TABLE =

start of creating ENCODING_TABLE

TkCore::INTERP.encoding_table

Instance Method Summary collapse

Instance Method Details

#default_encoding=(enc) ⇒ Object 



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# File 'lib/tk.rb', line 2477

def default_encoding=(enc)
  TkCore::INTERP.default_encoding = Tk::Encoding::ENCODING_TABLE.get_name(enc)
end

#encoding=(name) ⇒ Object 



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# File 'lib/tk.rb', line 2481

def encoding=(enc)
  TkCore::INTERP.encoding = Tk::Encoding::ENCODING_TABLE.get_name(enc)
end

#encoding_convertfrom(str, enc = None) ⇒ Object Also known as: encoding_convert_from 



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# File 'lib/tk.rb', line 2575

def encoding_convertfrom(str, enc=nil)
  enc = encoding_system_name unless enc
  str = str.dup
  if TkCore::WITH_ENCODING
    if str.kind_of?(Tk::EncodedString)
      str.__instance_variable_set('@encoding', nil)
    else
      str.instance_variable_set('@encoding', nil)
    end
    str.force_encoding('binary')
  else
    str.instance_variable_set('@encoding', 'binary')
  end
  ret = TkCore::INTERP._invoke_without_enc('encoding', 'convertfrom', 
                                           enc, str)
  if TkCore::WITH_ENCODING
    ret.force_encoding('utf-8')
  else
    Tk::UTF8_String.new(ret)
  end
  ret
end

#encoding_convertto(str, enc = None) ⇒ Object Also known as: encoding_convert_to 



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# File 'lib/tk.rb', line 2599

def encoding_convertto(str, enc=nil)
  # str must be a UTF-8 string
  enc = encoding_system_name unless enc
  ret = TkCore::INTERP._invoke_without_enc('encoding', 'convertto', 
                                           enc, str)
  #ret.instance_variable_set('@encoding', 'binary')
  if TkCore::WITH_ENCODING
    #ret.force_encoding(Tk::Encoding::ENCODING_TABLE.get_obj('binary'))
    ret.force_encoding(Tk::Encoding::ENCODING_TABLE.get_obj(enc))
  end
  ret
end

#encoding_dirs ⇒ Object 



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# File 'lib/tk.rb', line 2613

def encoding_dirs
  # Tcl8.5 feature
  TkComm.simplelist(Tk.tk_call_without_enc('encoding', 'dirs'))
end

#encoding_dirs=(dir_array) ⇒ Object

an array or a Tcl’s list string



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# File 'lib/tk.rb', line 2618

def encoding_dirs=(dir_list) # an array or a Tcl's list string
  # Tcl8.5 feature
  Tk.tk_call_without_enc('encoding', 'dirs', dir_list)
end

#encoding_name ⇒ Object Also known as: encoding, default_encoding 



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# File 'lib/tk.rb', line 2485

def encoding_name
  Tk::Encoding::ENCODING_TABLE.get_name(TkCore::INTERP.encoding)
end

#encoding_names ⇒ Object 



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# File 'lib/tk.rb', line 2497

def encoding_names
  self.tk_encoding_names.find_all{|name|
    Tk::Encoding::ENCODING_TABLE.get_name(name) rescue false
  }
end

#encoding_obj ⇒ Object 



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# File 'lib/tk.rb', line 2488

def encoding_obj
  Tk::Encoding::ENCODING_TABLE.get_obj(TkCore::INTERP.encoding)
end

#encoding_objs ⇒ Object 



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# File 'lib/tk.rb', line 2502

def encoding_objs
  self.tk_encoding_names.map!{|name|
    Tk::Encoding::ENCODING_TABLE.get_obj(name) rescue nil
  }.compact
end

#encoding_system=(enc) ⇒ Object 



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# File 'lib/tk.rb', line 2508

def encoding_system=(enc)
  TclTkLib.encoding_system = Tk::Encoding::ENCODING_TABLE.get_name(enc)
end

#encoding_system_name ⇒ Object Also known as: encoding_system 



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# File 'lib/tk.rb', line 2512

def encoding_system_name
  Tk::Encoding::ENCODING_TABLE.get_name(TclTkLib.encoding_system)
end

#encoding_system_obj ⇒ Object 



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# File 'lib/tk.rb', line 2515

def encoding_system_obj
  Tk::Encoding::ENCODING_TABLE.get_obj(TclTkLib.encoding_system)
end

#force_default_encoding(mode) ⇒ Object

Ruby 1.9



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# File 'lib/tk.rb', line 2469

def force_default_encoding(mode)
  TkCore::INTERP.force_default_encoding = mode
end

#force_default_encoding=(mode) ⇒ Object

Ruby 1.8-



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# File 'lib/tk.rb', line 2525

def force_default_encoding=(mode)
  true
end

#force_default_encoding? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tk.rb', line 2473

def force_default_encoding?
  TkCore::INTERP.force_default_encoding?
end

#tk_encoding_names ⇒ Object 



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# File 'lib/tk.rb', line 2494

def tk_encoding_names
   TkComm.simplelist(TkCore::INTERP._invoke_without_enc(Tk::Encoding::ENCNAMES_CMD[0], Tk::Encoding::ENCNAMES_CMD[1]))
end