The canonical source for this project can be found at GitHub: threedaymonk/htmlentities.
HTML entity encoding and decoding for Ruby
HTMLEntities is a simple library to facilitate encoding and decoding of named
(ý and so on) or numerical ({ or Ī) entities in HTML
and XHTML documents.
HTMLEntities works with UTF-8 (or ASCII) strings only.
Please ensure that your system is set to display UTF-8 before running these
examples. In Ruby 1.8, you'll need to set $KCODE = "u".
require 'htmlentities'
coder = HTMLEntities.new
string = "élan"
coder.decode(string) # => "élan"This is slightly more complicated, due to the various options. The encode method takes a variable number of parameters, which tell it which instructions to carry out.
require 'htmlentities'
coder = HTMLEntities.new
string = "<élan>"Escape unsafe codepoints only:
coder.encode(string) # => "<élan>"Or:
coder.encode(string, :basic) # => "<élan>"Escape all entities that have names:
coder.encode(string, :named) # => "<élan>"Escape all non-ASCII/non-safe codepoints using decimal entities:
coder.encode(string, :decimal) # => "<élan>"As above, using hexadecimal entities:
coder.encode(string, :hexadecimal) # => "<élan>"You can also use several options, e.g. use named entities for unsafe codepoints, then decimal for all other non-ASCII:
coder.encode(string, :basic, :decimal) # => "<élan>"HTMLEntities knows about three different sets of entities:
:xhtml1– Entities from the XHTML1 doctype:html4– Entities from the HTML4 doctype. Differs from +xhtml1+ only by the absence of +&apos+:expanded– Entities from a variety of SGML sets
The default is :xhtml, but you can override this:
coder = HTMLEntities.new(:expanded)This code is free to use under the terms of the MIT licence. See the file COPYING.txt for more details.
Send email to [email protected].
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