345 lines
8.1 KiB
Ruby
345 lines
8.1 KiB
Ruby
|
# -*- coding: utf-8; frozen_string_literal: true -*-
|
||
|
|
#
|
||
|
|
#--
|
||
|
|
# Copyright (C) 2009-2019 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+.
|
||
|
|
Entity = Struct.new(:code_point, :name) do
|
||
|
|
# 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
|