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Contents
# encoding: UTF-8
module Sterile
class << self
# Turn Unicode characters into their HTML equivilents.
# If a valid HTML entity is not possible, it will create a numeric entity.
#
# q{“Economy Hits Bottom,” ran the headline}.encode_entities # => “Economy Hits Bottom,” ran the headline
#
def encode_entities(string)
transmogrify(string) do |mapping, codepoint|
if (32..126).include?(codepoint)
mapping[0]
else
"&" + (mapping[2] || "#" + codepoint.to_s) + ";"
end
end
end
# The reverse of +encode_entities+. Turns HTML or numeric entities into
# their Unicode counterparts.
#
def decode_entities(string)
string.gsub!(/&#(\d{1,4});/) { [$1.to_i].pack("U") }
string.gsub(/&([a-zA-Z0-9]+);/) do
codepoint = html_entities_data[$1]
codepoint ? [codepoint].pack("U") : $&
end
end
private
# Lazy load html entities
#
def html_entities_data
@html_entities_data ||= begin
require "sterile/data/html_entities_data"
Data.html_entities_data
end
end
end # class << self
end # module Sterile
Version data entries
21 entries across 21 versions & 2 rubygems