RSS::Converter

Public Class Methods

new(to_enc, from_enc=nil) click to toggle source

 
               # File rss/converter.rb, line 9
def initialize(to_enc, from_enc=nil)
  normalized_to_enc = to_enc.downcase.gsub(/-/, '_')
  from_enc ||= 'utf-8'
  normalized_from_enc = from_enc.downcase.gsub(/-/, '_')
  if normalized_to_enc == normalized_from_enc
    def_same_enc()
  else
    def_diff_enc = "def_to_#{normalized_to_enc}_from_#{normalized_from_enc}"
    if respond_to?(def_diff_enc)
      __send__(def_diff_enc)
    else
      def_else_enc(to_enc, from_enc)
    end
  end
end

Public Instance Methods

convert(value) click to toggle source

 
               # File rss/converter.rb, line 25
def convert(value)
  value
end

def_convert(depth=0) click to toggle source

 
               # File rss/converter.rb, line 29
    def def_convert(depth=0)
      instance_eval("      def convert(value)
        if value.kind_of?(String)
          #{yield('value')}
        else
          value
        end
      end
", *get_file_and_line_from_caller(depth))
    end

def_else_enc(to_enc, from_enc) click to toggle source

 
               # File rss/converter.rb, line 59
def def_else_enc(to_enc, from_enc)
  def_iconv_convert(to_enc, from_enc, 0)
end

def_iconv_convert(to_enc, from_enc, depth=0) click to toggle source

 
               # File rss/converter.rb, line 41
def def_iconv_convert(to_enc, from_enc, depth=0)
  begin
    require "iconv"
    @iconv = Iconv.new(to_enc, from_enc)
    def_convert(depth+1) do |value|
      <<-EOC
      begin
        @iconv.iconv(#{value})
      rescue Iconv::Failure
        raise ConversionError.new(#{value}, "#{to_enc}", "#{from_enc}")
      end
      EOC
    end
  rescue LoadError, ArgumentError, SystemCallError
    raise UnknownConversionMethodError.new(to_enc, from_enc)
  end
end

def_same_enc() click to toggle source

 
               # File rss/converter.rb, line 63
def def_same_enc()
  def_convert do |value|
    value
  end
end

def_to_euc_jp_from_iso_2022_jp() click to toggle source

 
               # File rss/converter.rb, line 123
def def_to_euc_jp_from_iso_2022_jp
  require "nkf"
  def_convert do |value|
    "NKF.nkf('-Je', #{value})"
  end
end

def_to_euc_jp_from_shift_jis() click to toggle source

 
               # File rss/converter.rb, line 109
def def_to_euc_jp_from_shift_jis
  require "nkf"
  def_convert do |value|
    "NKF.nkf('-Se', #{value})"
  end
end

def_to_euc_jp_from_utf_8() click to toggle source

 
               # File rss/converter.rb, line 93
def def_to_euc_jp_from_utf_8
  def_uconv_convert_if_can('u8toeuc', 'EUC-JP', 'UTF-8', '-We')
end

def_to_iso_2022_jp_from_euc_jp() click to toggle source

 
               # File rss/converter.rb, line 130
def def_to_iso_2022_jp_from_euc_jp
  require "nkf"
  def_convert do |value|
    "NKF.nkf('-Ej', #{value})"
  end
end

def_to_iso_8859_1_from_utf_8() click to toggle source

 
               # File rss/converter.rb, line 143
def def_to_iso_8859_1_from_utf_8
  def_convert do |value|
    <<-EOC
    array_utf8 = #{value}.unpack('U*')
    array_enc = []
    array_utf8.each do |num|
      if num <= 0xFF
        array_enc << num
      else
        array_enc.concat "&\#\#{num};".unpack('C*')
      end
    end
    array_enc.pack('C*')
    EOC
  end
end

def_to_shift_jis_from_euc_jp() click to toggle source

 
               # File rss/converter.rb, line 116
def def_to_shift_jis_from_euc_jp
  require "nkf"
  def_convert do |value|
    "NKF.nkf('-Es', #{value})"
  end
end

def_to_shift_jis_from_utf_8() click to toggle source

 
               # File rss/converter.rb, line 101
def def_to_shift_jis_from_utf_8
  def_uconv_convert_if_can('u8tosjis', 'Shift_JIS', 'UTF-8', '-Ws')
end

def_to_utf_8_from_euc_jp() click to toggle source

 
               # File rss/converter.rb, line 97
def def_to_utf_8_from_euc_jp
  def_uconv_convert_if_can('euctou8', 'UTF-8', 'EUC-JP', '-Ew')
end

def_to_utf_8_from_iso_8859_1() click to toggle source

 
               # File rss/converter.rb, line 137
def def_to_utf_8_from_iso_8859_1
  def_convert do |value|
    "#{value}.unpack('C*').pack('U*')"
  end
end

def_to_utf_8_from_shift_jis() click to toggle source

 
               # File rss/converter.rb, line 105
def def_to_utf_8_from_shift_jis
  def_uconv_convert_if_can('sjistou8', 'UTF-8', 'Shift_JIS', '-Sw')
end

def_uconv_convert_if_can(meth, to_enc, from_enc, nkf_arg) click to toggle source

 
               # File rss/converter.rb, line 69
def def_uconv_convert_if_can(meth, to_enc, from_enc, nkf_arg)
  begin
    require "uconv"
    def_convert(1) do |value|
      <<-EOC
      begin
        Uconv.#{meth}(#{value})
      rescue Uconv::Error
        raise ConversionError.new(#{value}, "#{to_enc}", "#{from_enc}")
      end
      EOC
    end
  rescue LoadError
    require 'nkf'
    if NKF.const_defined?(:UTF8)
      def_convert(1) do |value|
        "NKF.nkf(#{nkf_arg.dump}, #{value})"
      end
    else
      def_iconv_convert(to_enc, from_enc, 1)
    end
  end
end

Commenting is here to help enhance the documentation. For example, code samples, or clarification of the documentation.

If you have questions about Ruby or the documentation, please post to one of the Ruby mailing lists. You will get better, faster, help that way.

If you wish to post a correction of the docs, please do so, but also file bug report so that it can be corrected for the next release. Thank you.

If you want to help improve the Ruby documentation, please see Improve the docs, or visit Documenting-ruby.org.