Class: Mail::Multibyte::Unicode::UnicodeDatabase
- Defined in:
- lib/mail/multibyte/unicode.rb
Overview
Holds static data from the Unicode database
Constant Summary collapse
- ATTRIBUTES =
:codepoints, :composition_exclusion, :composition_map, :boundary, :cp1252
Class Method Summary collapse
-
.dirname ⇒ Object
Returns the directory in which the data files are stored.
-
.filename ⇒ Object
Returns the filename for the data file for this version.
Instance Method Summary collapse
-
#initialize ⇒ UnicodeDatabase
constructor
A new instance of UnicodeDatabase.
-
#load ⇒ Object
Loads the Unicode database and returns all the internal objects of UnicodeDatabase.
Constructor Details
#initialize ⇒ UnicodeDatabase
Returns a new instance of UnicodeDatabase.
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# File 'lib/mail/multibyte/unicode.rb', line 322 def initialize @codepoints = Hash.new(Codepoint.new) @composition_exclusion = [] @composition_map = {} @boundary = {} @cp1252 = {} end |
Class Method Details
.dirname ⇒ Object
Returns the directory in which the data files are stored
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# File 'lib/mail/multibyte/unicode.rb', line 364 def self.dirname File.dirname(__FILE__) + '/../values/' end |
.filename ⇒ Object
Returns the filename for the data file for this version
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# File 'lib/mail/multibyte/unicode.rb', line 369 def self.filename File. File.join(dirname, "unicode_tables.dat") end |
Instance Method Details
#load ⇒ Object
Loads the Unicode database and returns all the internal objects of UnicodeDatabase.
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# File 'lib/mail/multibyte/unicode.rb', line 341 def load begin @codepoints, @composition_exclusion, @composition_map, @boundary, @cp1252 = File.open(self.class.filename, 'rb') { |f| Marshal.load f.read } rescue Exception => e raise IOError.new("Couldn't load the Unicode tables for UTF8Handler (#{e.}), Mail::Multibyte is unusable") end # Redefine the === method so we can write shorter rules for grapheme cluster breaks @boundary.each do |k,_| @boundary[k].instance_eval do def ===(other) detect { |i| i === other } ? true : false end end if @boundary[k].kind_of?(Array) end # define attr_reader methods for the instance variables class << self attr_reader(*ATTRIBUTES) end end |