Sha256: 0e28933704765d3a3ed533b202c2fbcda5a8d25ddb4bb7d2a108237802e84a9c
Contents?: true
Size: 934 Bytes
Versions: 13
Compression:
Stored size: 934 Bytes
Contents
class HTMLEntities
class Decoder #:nodoc:
def initialize(flavor)
@flavor = flavor
@map = HTMLEntities::MAPPINGS[@flavor]
@entity_regexp = entity_regexp
end
def decode(source)
prepare(source).gsub(@entity_regexp){
if $1 && codepoint = @map[$1]
[codepoint].pack('U')
elsif $2
[$2.to_i(10)].pack('U')
elsif $3
[$3.to_i(16)].pack('U')
else
$&
end
}
end
private
def prepare(string) #:nodoc:
string.to_s.encode(Encoding::UTF_8)
end
def entity_regexp
key_lengths = @map.keys.map{ |k| k.length }
if @flavor == 'expanded'
entity_name_pattern = '(?:b\.)?[a-z][a-z0-9]'
else
entity_name_pattern = '[a-z][a-z0-9]'
end
/&(?:(#{entity_name_pattern}{#{key_lengths.min - 1},#{key_lengths.max - 1}})|#([0-9]{1,7})|#x([0-9a-f]{1,6}));/i
end
end
end
Version data entries
13 entries across 13 versions & 6 rubygems