Tk::EncodedString

Constants

Encoding

Attributes

encoding[R]

Public Class Methods

new(str, enc = nil) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 68
def initialize(str, enc = nil)
  super(str)
  # @encoding = ( enc ||
  #              ((self.class::Encoding)?
  #                  self.class::Encoding : Tk.encoding_system) )
  @encoding = ( enc || 
               ((self.class::Encoding)?
                     self.class::Encoding : 
                     ((Tk.encoding)? Tk.encoding : Tk.encoding_system) ) )
end

new_with_utf_backslash(str, enc = nil) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 60
def self.new_with_utf_backslash(str, enc = nil)
  self.new('', enc).replace(self.subst_utf_backslash(str))
end

new_without_utf_backslash(str, enc = nil) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 64
def self.new_without_utf_backslash(str, enc = nil)
  self.new('', enc).replace(str)
end

subst_tk_backslash(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 21
def self.subst_tk_backslash(str)
  TclTkLib._subst_Tcl_backslash(str)
end

subst_utf_backslash(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 13
def self.subst_utf_backslash(str)
  # str.gsub(/\\u([0-9A-Fa-f]{1,4})/){[$1.hex].pack('U')}
  TclTkLib._subst_UTF_backslash(str)
end

to_backslash_sequence(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 38
def self.to_backslash_sequence(str)
  str.unpack('U*').collect{|c|
    if c <= 0x1F  # control character
      case c
      when 0x07; '\a'
      when 0x08; '\b'
      when 0x09; '\t'
      when 0x0a; '\n'
      when 0x0b; '\v'
      when 0x0c; '\f'
      when 0x0d; '\r'
      else
        format('\x%02X', c)
      end
    elsif c <= 0xFF  # ascii character
      c.chr
    else
      format('\u%X', c)
    end
  }.join('')
end

utf_backslash(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 17
def self.utf_backslash(str)
  self.subst_utf_backslash(str)
end

utf_to_backslash(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 34
def self.utf_to_backslash(str)
  self.utf_to_backslash_sequence(str)
end

utf_to_backslash_sequence(str) click to toggle source

 
               # File tk/lib/tk/encodedstr.rb, line 25
def self.utf_to_backslash_sequence(str)
  str.unpack('U*').collect{|c|
    if c <= 0xFF  # ascii character
      c.chr
    else
      format('\u%X', c)
    end
  }.join('')
end