# -*- coding: utf-8 -*-
#
#--
# Copyright (C) 2009-2016 Thomas Leitner <t_leitner@gmx.at>
#
# This file is part of kramdown which is licensed under the MIT.
#++
#
module Kramdown
module Utils
# Provides convenience methods for handling named and numeric entities.
module Entities
# Represents an entity that has a +code_point+ and +name+.
class Entity < Struct.new(:code_point, :name)
# Return the UTF8 representation of the entity.
def char
[code_point].pack('U*') rescue nil
end
end
# Array of arrays. Each sub-array specifies a code point and the associated name.
#
# This table is not used directly -- Entity objects are automatically created from it and put
# into a Hash map when this file is loaded.
ENTITY_TABLE = [
[913, 'Alpha'],
[914, 'Beta'],
[915, 'Gamma'],
[916, 'Delta'],
[917, 'Epsilon'],
[918, 'Zeta'],
[919, 'Eta'],
[920, 'Theta'],
[921, 'Iota'],
[922, 'Kappa'],
[923, 'Lambda'],
[924, 'Mu'],
[925, 'Nu'],
[926, 'Xi'],
[927, 'Omicron'],
[928, 'Pi'],
[929, 'Rho'],
[931, 'Sigma'],
[932, 'Tau'],
[933, 'Upsilon'],
[934, 'Phi'],
[935, 'Chi'],
[936, 'Psi'],
[937, 'Omega'],
[945, 'alpha'],
[946, 'beta'],
[947, 'gamma'],
[948, 'delta'],
[949, 'epsilon'],
[950, 'zeta'],
[951, 'eta'],
[952, 'theta'],
[953, 'iota'],
[954, 'kappa'],
[955, 'lambda'],
[956, 'mu'],
[957, 'nu'],
[958, 'xi'],
[959, 'omicron'],
[960, 'pi'],
[961, 'rho'],
[963, 'sigma'],
[964, 'tau'],
[965, 'upsilon'],
[966, 'phi'],
[967, 'chi'],
[968, 'psi'],
[969, 'omega'],
[962, 'sigmaf'],
[977, 'thetasym'],
[978, 'upsih'],
[982, 'piv'],
[8204, 'zwnj'],
[8205, 'zwj'],
[8206, 'lrm'],
[8207, 'rlm'],
[8230, 'hellip'],
[8242, 'prime'],
[8243, 'Prime'],
[8254, 'oline'],
[8260, 'frasl'],
[8472, 'weierp'],
[8465, 'image'],
[8476, 'real'],
[8501, 'alefsym'],
[8226, 'bull'],
[8482, 'trade'],
[8592, 'larr'],
[8594, 'rarr'],
[8593, 'uarr'],
[8595, 'darr'],
[8596, 'harr'],
[8629, 'crarr'],
[8657, 'uArr'],
[8659, 'dArr'],
[8656, 'lArr'],
[8658, 'rArr'],
[8660, 'hArr'],
[8704, 'forall'],
[8706, 'part'],
[8707, 'exist'],
[8709, 'empty'],
[8711, 'nabla'],
[8712, 'isin'],
[8715, 'ni'],
[8713, 'notin'],
[8721, 'sum'],
[8719, 'prod'],
[8722, 'minus'],
[8727, 'lowast'],
[8730, 'radic'],
[8733, 'prop'],
[8734, 'infin'],
[8736, 'ang'],
[8743, 'and'],
[8744, 'or'],
[8745, 'cap'],
[8746, 'cup'],
[8747, 'int'],
[8756, 'there4'],
[8764, 'sim'],
[8776, 'asymp'],
[8773, 'cong'],
[8800, 'ne'],
[8801, 'equiv'],
[8804, 'le'],
[8805, 'ge'],
[8834, 'sub'],
[8835, 'sup'],
[8838, 'sube'],
[8839, 'supe'],
[8836, 'nsub'],
[8853, 'oplus'],
[8855, 'otimes'],
[8869, 'perp'],
[8901, 'sdot'],
[8942, 'vellip'],
[8968, 'rceil'],
[8969, 'lceil'],
[8970, 'lfloor'],
[8971, 'rfloor'],
[9001, 'rang'],
[9002, 'lang'],
[9674, 'loz'],
[9824, 'spades'],
[9827, 'clubs'],
[9829, 'hearts'],
[9830, 'diams'],
[38, 'amp'],
[34, 'quot'],
[39, 'apos'],
[169, 'copy'],
[60, 'lt'],
[62, 'gt'],
[338, 'OElig'],
[339, 'oelig'],
[352, 'Scaron'],
[353, 'scaron'],
[376, 'Yuml'],
[710, 'circ'],
[732, 'tilde'],
[8211, 'ndash'],
[8212, 'mdash'],
[8216, 'lsquo'],
[8217, 'rsquo'],
[8220, 'ldquo'],
[8221, 'rdquo'],
[8224, 'dagger'],
[8225, 'Dagger'],
[8240, 'permil'],
[8364, 'euro'],
[8249, 'lsaquo'],
[8250, 'rsaquo'],
[160, 'nbsp'],
[161, 'iexcl'],
[163, 'pound'],
[164, 'curren'],
[165, 'yen'],
[166, 'brvbar'],
[167, 'sect'],
[168, 'uml'],
[171, 'laquo'],
[187, 'raquo'],
[174, 'reg'],
[170, 'ordf'],
[172, 'not'],
[173, 'shy'],
[175, 'macr'],
[176, 'deg'],
[177, 'plusmn'],
[180, 'acute'],
[181, 'micro'],
[182, 'para'],
[183, 'middot'],
[184, 'cedil'],
[186, 'ordm'],
[162, 'cent'],
[185, 'sup1'],
[178, 'sup2'],
[179, 'sup3'],
[189, 'frac12'],
[188, 'frac14'],
[190, 'frac34'],
[191, 'iquest'],
[192, 'Agrave'],
[193, 'Aacute'],
[194, 'Acirc'],
[195, 'Atilde'],
[196, 'Auml'],
[197, 'Aring'],
[198, 'AElig'],
[199, 'Ccedil'],
[200, 'Egrave'],
[201, 'Eacute'],
[202, 'Ecirc'],
[203, 'Euml'],
[204, 'Igrave'],
[205, 'Iacute'],
[206, 'Icirc'],
[207, 'Iuml'],
[208, 'ETH'],
[209, 'Ntilde'],
[210, 'Ograve'],
[211, 'Oacute'],
[212, 'Ocirc'],
[213, 'Otilde'],
[214, 'Ouml'],
[215, 'times'],
[216, 'Oslash'],
[217, 'Ugrave'],
[218, 'Uacute'],
[219, 'Ucirc'],
[220, 'Uuml'],
[221, 'Yacute'],
[222, 'THORN'],
[223, 'szlig'],
[224, 'agrave'],
[225, 'aacute'],
[226, 'acirc'],
[227, 'atilde'],
[228, 'auml'],
[229, 'aring'],
[230, 'aelig'],
[231, 'ccedil'],
[232, 'egrave'],
[233, 'eacute'],
[234, 'ecirc'],
[235, 'euml'],
[236, 'igrave'],
[237, 'iacute'],
[238, 'icirc'],
[239, 'iuml'],
[240, 'eth'],
[241, 'ntilde'],
[242, 'ograve'],
[243, 'oacute'],
[244, 'ocirc'],
[245, 'otilde'],
[246, 'ouml'],
[247, 'divide'],
[248, 'oslash'],
[249, 'ugrave'],
[250, 'uacute'],
[251, 'ucirc'],
[252, 'uuml'],
[253, 'yacute'],
[254, 'thorn'],
[255, 'yuml'],
[8218, 'sbquo'],
[402, 'fnof'],
[8222, 'bdquo'],
[128, 8364],
[130, 8218],
[131, 402],
[132, 8222],
[133, 8230],
[134, 8224],
[135, 8225],
[136, 710],
[137, 8240],
[138, 352],
[139, 8249],
[140, 338],
[142, 381],
[145, 8216],
[146, 8217],
[147, 8220],
[148, 8221],
[149, 8226],
[150, 8211],
[151, 8212],
[152, 732],
[153, 8482],
[154, 353],
[155, 8250],
[156, 339],
[158, 382],
[159, 376],
[8194, 'ensp'],
[8195, 'emsp'],
[8201, 'thinsp'],
]
# Contains the mapping of code point (or name) to the actual Entity object.
ENTITY_MAP = Hash.new do |h,k|
if k.kind_of?(Integer)
h[k] = Entity.new(k, nil)
else
raise Kramdown::Error, "Can't handle generic non-integer character reference '#{k}'"
end
end
ENTITY_TABLE.each do |code_point, data|
if data.kind_of?(String)
ENTITY_MAP[code_point] = ENTITY_MAP[data] = Entity.new(code_point, data)
else
ENTITY_MAP[code_point] = ENTITY_MAP[data]
end
end
# Return the entity for the given code point or name +point_or_name+.
def entity(point_or_name)
ENTITY_MAP[point_or_name]
end
module_function :entity
end
end
end