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== Description
An early draft of a way to determine the size of the characters using <tt>EastAsianWidth.txt</tt>, based on the very early draft of a {Ruby interface to UnicodeData.txt}[https://github.com/runpaint/unicode-data] by runpaint.
== Install
Install the gem with
gem install unicode-display_width
== Usage
require 'unicode/display_width'
The easy way is to use the String#display_size method:
"⚀".display_width #=> 1
'一'.display_width #=> 2
To obtain more detailed data, you can use the following syntax:
Unicode::DiplayWidth.codepoint( c )
== Bugs / TODO
Since it is not tested extensively, it does probably not work correctly for all characters... For example, there is a class of unicode characters, which is not exactly defined to be narrow or full-width ("ambiguous"). This gem currently gives them a size of 1, which is not always correct.
Furthermore, the index data structure can be improved.
== Copyright
Copyright (c) 2011 Jan Lelis, http://rbjl.net, released under the MIT license.
Contains code by runpaint: Copyright (c) 2009 Run Paint Run Run
Contains EastAsianWidth.txt: Copyright (c) 1991-2010 Unicode, Inc.
J-_-L
Version data entries
9 entries across 8 versions & 2 rubygems