Class: Shoji::UTF8File

Inherits:
Object
  • Object
show all
Defined in:
lib/shoji/utf8_file.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, type) ⇒ UTF8File

Returns a new instance of UTF8File.



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# File 'lib/shoji/utf8_file.rb', line 20

def initialize(source, type)
  @filename = nil; @tempfile = nil
  case type
  when :filename then @filename = source
  when :tempfile then @tempfile = source
  else raise "Unexpected type=#{type}"
  end
end

Instance Attribute Details

#tempfile ⇒ Object (readonly)

Returns the value of attribute tempfile.



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# File 'lib/shoji/utf8_file.rb', line 19

def tempfile
  @tempfile
end

Class Method Details

.convert(filename, &block) ⇒ Object 



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# File 'lib/shoji/utf8_file.rb', line 5

def self.convert(filename, &block)
  encoding = guess_encoding(filename)
  raise "Couldn't detect encoding" unless encoding
  fp = make_instance(filename, encoding)
  if block_given?
    begin
      yield(fp.path)
    ensure
      fp.delete
    end
  else
    fp
  end
end

.guess_encoding(filename) ⇒ Object 



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# File 'lib/shoji/utf8_file.rb', line 38

def self.guess_encoding(filename)
  NKF2ICONV[NKF.guess(read_lines(filename, 3))]
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/shoji/utf8_file.rb', line 32

def delete
  return false unless @tempfile
  @tempfile.close(true)
  @tempfile = nil
  true
end

#path ⇒ Object 



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# File 'lib/shoji/utf8_file.rb', line 28

def path
  return @filename if @filename
  @tempfile.path
end