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346 lines
98 KiB
346 lines
98 KiB
2 years ago
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/*! https://mths.be/he v1.2.0 by @mathias | MIT license */
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;(function(root) {
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// Detect free variables `exports`.
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var freeExports = typeof exports == 'object' && exports;
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// Detect free variable `module`.
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var freeModule = typeof module == 'object' && module &&
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module.exports == freeExports && module;
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// Detect free variable `global`, from Node.js or Browserified code,
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// and use it as `root`.
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var freeGlobal = typeof global == 'object' && global;
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if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
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root = freeGlobal;
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}
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/*--------------------------------------------------------------------------*/
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// All astral symbols.
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var regexAstralSymbols = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
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// All ASCII symbols (not just printable ASCII) except those listed in the
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// first column of the overrides table.
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// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides
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var regexAsciiWhitelist = /[\x01-\x7F]/g;
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// All BMP symbols that are not ASCII newlines, printable ASCII symbols, or
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// code points listed in the first column of the overrides table on
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// https://html.spec.whatwg.org/multipage/syntax.html#table-charref-overrides.
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var regexBmpWhitelist = /[\x01-\t\x0B\f\x0E-\x1F\x7F\x81\x8D\x8F\x90\x9D\xA0-\uFFFF]/g;
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var regexEncodeNonAscii = /<\u20D2|=\u20E5|>\u20D2|\u205F\u200A|\u219D\u0338|\u2202\u0338|\u2220\u20D2|\u2229\uFE00|\u222A\uFE00|\u223C\u20D2|\u223D\u0331|\u223E\u0333|\u2242\u0338|\u224B\u0338|\u224D\u20D2|\u224E\u0338|\u224F\u0338|\u2250\u0338|\u2261\u20E5|\u2264\u20D2|\u2265\u20D2|\u2266\u0338|\u2267\u0338|\u2268\uFE00|\u2269\uFE00|\u226A\u0338|\u226A\u20D2|\u226B\u0338|\u226B\u20D2|\u227F\u0338|\u2282\u20D2|\u2283\u20D2|\u228A\uFE00|\u228B\uFE00|\u228F\u0338|\u2290\u0338|\u2293\uFE00|\u2294\uFE00|\u22B4\u20D2|\u22B5\u20D2|\u22D8\u0338|\u22D9\u0338|\u22DA\uFE00|\u22DB\uFE00|\u22F5\u0338|\u22F9\u0338|\u2933\u0338|\u29CF\u0338|\u29D0\u0338|\u2A6D\u0338|\u2A70\u0338|\u2A7D\u0338|\u2A7E\u0338|\u2AA1\u0338|\u2AA2\u0338|\u2AAC\uFE00|\u2AAD\uFE00|\u2AAF\u0338|\u2AB0\u0338|\u2AC5\u0338|\u2AC6\u0338|\u2ACB\uFE00|\u2ACC\uFE00|\u2AFD\u20E5|[\xA0-\u0113\u0116-\u0122\u0124-\u012B\u012E-\u014D\u0150-\u017E\u0192\u01B5\u01F5\u0237\u02C6\u02C7\u02D8-\u02DD\u0311\u0391-\u03A1\u03A3-\u03A9\u03B1-\u03C9\u03D1\u03D2\u03D5\u03D6\u03DC\u03DD\u03F0\u03F1\u03F5\u03F6\u0401-\u040C\u040E-\u044F\u0451-\u045C\u045E\u045F\u2002-\u2005\u2007-\u2010\u2013-\u2016\u2018-\u201A\u201C-\u201E\u2020-\u2022\u2025\u2026\u2030-\u2035\u2039\u203A\u203E\u2041\u2043\u2044\u204F\u2057\u205F-\u2063\u20AC\u20DB\u20DC\u2102\u2105\u210A-\u2113\u2115-\u211E\u2122\u2124\u2127-\u2129\u212C\u212D\u212F-\u2131\u2133-\u2138\u2145-\u2148\u2153-\u215E\u2190-\u219B\u219D-\u21A7\u21A9-\u21AE\u21B0-\u21B3\u21B5-\u21B7\u21BA-\u21DB\u21DD\u21E4\u21E5\u21F5\u21FD-\u2205\u2207-\u2209\u220B\u220C\u220F-\u2214\u2216-\u2218\u221A\u221D-\u2238\u223A-\u2257\u2259\u225A\u225C\u225F-\u2262\u2264-\u228B\u228D-\u229B\u229D-\u22A5\u22A7-\u22B0\u22B2-\u22BB\u22BD-\u22DB\u22DE-\u22E3\u22E6-\u22F7\u22F9-\u22FE\u2305\u2306\u2308-\u2310\u2312\u2313\u2315\u2316\u231C-\u231F\u2322\u2323\u232D\u232E\u2336\u233D\u233F\u237C\u23B0\u23B1\u23B4-\u23B6\u23DC-\u23DF\u23E2\u23E7\u2423\u24C8\u2500\u2502\u250C\u2510\u2514\u2518\u251C\u2524\u252C\u2534\u253C\u2550-\u256C\u2580\u2584\u2588\u2591-\u2593\u25A1\u25AA\u25AB\u25AD\u25AE\u25B1\u25B3-\u25B5\u25B8\u25B9\u25BD-\u25BF\u25C2\u25C3\u25CA\u25CB\u25EC\u25EF\u25F8-\u25FC\u2605\u2606\u260E\u2640\u2642\u2660\u2663\u2665\u2666\u266A\u266D-\u266F\u2713\u2717\u2720\u2736\u2758\u2772\u2773\u27C8\u27C9\u27E6-\u27ED\u27F5-\u27FA\u27FC\u27FF\u2902-\u2905\u290C-\u2913\u2916\u2919-\u2920\u2923-\u292A\u2933\u2935-\u2939\u293C\u293D\u2945\u2948-\u294B\u294E-\u2976\u2978\u2979\u297B-\u297F\u2985\u2986\u298B-\u2996\u299A\u299C\u299D\u29A4-\u29B7\u29B9\u29BB\u29BC\u29BE-\u29C5\u29C9\u29CD-\u29D0\u29DC-\u29DE\u29E3-\u29E5\u29EB\u29F4\u29F6\u2A00-\u2A02\u2A04\u2A06\u2A0C\u2A0D\u2A10-\u2A17\u2A22-\u2A27\u2A29\u2A2A\u2A2D-\u2A31\u2A33-\u2A3C\u2A3F\u2A40\u2A42-\u2A4D\u2A50\u2A53-\u2A58\u2A5A-\u2A5D\u2A5F\u2A66\u2A6A\u2A6D-\u2A75\u2A77-\u2A9A\u2A9D-\u2AA2\u2AA4-\u2AB0\u2AB3-\u2AC8\u2ACB\u2ACC\u2ACF-\u2ADB\u2AE4\u2AE6-\u2AE9\u2AEB-\u2AF3\u2AFD\uFB00-\uFB04]|\uD835[\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDCCF\uDD04\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDD6B]/g;
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var encodeMap = {'\xAD':'shy','\u200C':'zwnj','\u200D':'zwj','\u200E':'lrm','\u2063':'ic','\u2062':'it','\u2061':'af','\u200F':'rlm','\u200B':'ZeroWidthSpace','\u2060':'NoBreak','\u0311':'DownBreve','\u20DB':'tdot','\u20DC':'DotDot','\t':'Tab','\n':'NewLine','\u2008':'puncsp','\u205F':'MediumSpace','\u2009':'thinsp','\u200A':'hairsp','\u2004':'emsp13','\u2002':'ensp','\u2005':'emsp14','\u2003':'emsp','\u2007':'numsp','\xA0':'nbsp','\u205F\u200A':'ThickSpace','\u203E':'oline','_':'lowbar','\u2010':'dash','\u2013':'ndash','\u2014':'mdash','\u2015':'horbar',',':'comma',';':'semi','\u204F':'bsemi',':':'colon','\u2A74':'Colone','!':'excl','\xA1':'iexcl','?':'quest','\xBF':'iquest','.':'period','\u2025':'nldr','\u2026':'mldr','\xB7':'middot','\'':'apos','\u2018':'lsquo','\u2019':'rsquo','\u201A':'sbquo','\u2039':'lsaquo','\u203A':'rsaquo','"':'quot','\u201C':'ldquo','\u201D':'rdquo','\u201E':'bdquo','\xAB':'laquo','\xBB':'raquo','(':'lpar',')':'rpar','[':'lsqb',']':'rsqb','{':'lcub','}':'rcub','\u2308':'lceil','\u2309':'rceil','\u230A':'lfloor','\u230B':'rfloor','\u2985':'lopar','\u2986':'ropar','\u298B':'lbrke','\u298C':'rbrke','\u298D':'lbrkslu','\u298E':'rbrksld','\u298F':'lbrksld','\u2990':'rbrkslu','\u2991':'langd','\u2992':'rangd','\u2993':'lparlt','\u2994':'rpargt','\u2995':'gtlPar','\u2996':'ltrPar','\u27E6':'lobrk','\u27E7':'robrk','\u27E8':'lang','\u27E9':'rang','\u27EA':'Lang','\u27EB':'Rang','\u27EC':'loang','\u27ED':'roang','\u2772':'lbbrk','\u2773':'rbbrk','\u2016':'Vert','\xA7':'sect','\xB6':'para','@':'commat','*':'ast','/':'sol','undefined':null,'&':'amp','#':'num','%':'percnt','\u2030':'permil','\u2031':'pertenk','\u2020':'dagger','\u2021':'Dagger','\u2022':'bull','\u2043':'hybull','\u2032':'prime','\u2033':'Prime','\u2034':'tprime','\u2057':'qprime','\u2035':'bprime','\u2041':'caret','`':'grave','\xB4':'acute','\u02DC':'tilde','^':'Hat','\xAF':'macr','\u02D8':'breve','\u02D9':'dot','\xA8':'die','\u02DA':'ring','\u02DD':'dblac','\xB8':'cedil','\u02DB':'ogon','\u02C6':'circ','\u02C7':'caron','\xB0':'deg','\xA9':'copy','\xAE':'reg','\u2117':'copysr','\u2118':'wp','\u211E':'rx','\u2127':'mho','\u2129':'iiota','\u2190':'larr','\u219A':'nlarr','\u2192':'rarr','\u219B':'nrarr','\u2191':'uarr','\u2193':'darr','\u2194':'harr','\u21AE':'nharr','\u2195':'varr','\u2196':'nwarr','\u2197':'nearr','\u2198':'searr','\u2199':'swarr','\u219D':'rarrw','\u219D\u0338':'nrarrw','\u219E':'Larr','\u219F':'Uarr','\u21A0':'Rarr','\u21A1':'Darr','\u21A2':'larrtl','\u21A3':'rarrtl','\u21A4':'mapstoleft','\u21A5':'mapstoup','\u21A6':'map','\u21A7':'mapstodown','\u21A9':'larrhk','\u21AA':'rarrhk','\u21AB':'larrlp','\u21AC':'rarrlp','\u21AD':'harrw','\u21B0':'lsh','\u21B1':'rsh','\u21B2':'ldsh','\u21B3':'rdsh','\u21B5':'crarr','\u21B6':'cularr','\u21B7':'curarr','\u21BA':'olarr','\u21BB':'orarr','\u21BC':'lharu','\u21BD':'lhard','\u21BE':'uharr','\u21BF':'uharl','\u21C0':'rharu','\u21C1':'rhard','\u21C2':'dharr','\u21C3':'dharl','\u21C4':'rlarr','\u21C5':'udarr','\u21C6':'lrarr','\u21C7':'llarr','\u21C8':'uuarr','\u21C9':'rrarr','\u21CA':'ddarr','\u21CB':'lrhar','\u21CC':'rlhar','\u21D0':'lArr','\u21CD':'nlArr','\u21D1':'uArr','\u21D2':'rArr','\u21CF':'nrArr','\u21D3':'dArr','\u21D4':'iff','\u21CE':'nhArr','\u21D5':'vArr','\u21D6':'nwArr','\u21D7':'neArr','\u21D8':'seArr','\u21D9':'swArr','\u21DA':'lAarr','\u21DB':'rAarr','\u21DD':'zigrarr','\u21E4':'larrb','\u21E5':'rarrb','\u21F5':'duarr','\u21FD':'loarr','\u21FE':'roarr','\u21FF':'hoarr','\u2200':'forall','\u2201':'comp','\u2202':'part','\u2202\u0338':'npart','\u2203':'exist','\u2204':'nexist','\u2205':'empty','\u2207':'Del','\u2208':'in','\u2209':'notin','\u220B':'ni','\u220C':'notni','\u03F6':'bepsi','\u220F':'prod','\u2210':'coprod','\u2211':'sum','+':'plus','\xB1':'pm','\xF7':'div','\xD7':'times','<':'lt','\u226E':'nlt','<\u20D2':'nvlt','=':'equals','\u2260':'ne','=\u20E5':'bne','\u2A75':'Equal','>':'gt','\u226F':'ngt','>\u20D2':'nvgt','\xAC':'not','|':'vert','\xA6':'brvbar','\u2212':'minus','\u2213':'mp','\u2214':'plusdo','\u2044':'frasl','\u2216':'setmn','\u2217':'lowast','\u22
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var regexEscape = /["&'<>`]/g;
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var escapeMap = {
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'"': '"',
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'&': '&',
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'\'': ''',
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'<': '<',
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// See https://mathiasbynens.be/notes/ambiguous-ampersands: in HTML, the
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// following is not strictly necessary unless it’s part of a tag or an
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// unquoted attribute value. We’re only escaping it to support those
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// situations, and for XML support.
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'>': '>',
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// In Internet Explorer ≤ 8, the backtick character can be used
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// to break out of (un)quoted attribute values or HTML comments.
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// See http://html5sec.org/#102, http://html5sec.org/#108, and
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// http://html5sec.org/#133.
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'`': '`'
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};
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var regexInvalidEntity = /&#(?:[xX][^a-fA-F0-9]|[^0-9xX])/;
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var regexInvalidRawCodePoint = /[\0-\x08\x0B\x0E-\x1F\x7F-\x9F\uFDD0-\uFDEF\uFFFE\uFFFF]|[\uD83F\uD87F\uD8BF\uD8FF\uD93F\uD97F\uD9BF\uD9FF\uDA3F\uDA7F\uDABF\uDAFF\uDB3F\uDB7F\uDBBF\uDBFF][\uDFFE\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF]/;
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var regexDecode = /&(CounterClockwiseContourIntegral|DoubleLongLeftRightArrow|ClockwiseContourIntegral|NotNestedGreaterGreater|NotSquareSupersetEqual|DiacriticalDoubleAcute|NotRightTriangleEqual|NotSucceedsSlantEqual|NotPrecedesSlantEqual|CloseCurlyDoubleQuote|NegativeVeryThinSpace|DoubleContourIntegral|FilledVerySmallSquare|CapitalDifferentialD|OpenCurlyDoubleQuote|EmptyVerySmallSquare|NestedGreaterGreater|DoubleLongRightArrow|NotLeftTriangleEqual|NotGreaterSlantEqual|ReverseUpEquilibrium|DoubleLeftRightArrow|NotSquareSubsetEqual|NotDoubleVerticalBar|RightArrowLeftArrow|NotGreaterFullEqual|NotRightTriangleBar|SquareSupersetEqual|DownLeftRightVector|DoubleLongLeftArrow|leftrightsquigarrow|LeftArrowRightArrow|NegativeMediumSpace|blacktriangleright|RightDownVectorBar|PrecedesSlantEqual|RightDoubleBracket|SucceedsSlantEqual|NotLeftTriangleBar|RightTriangleEqual|SquareIntersection|RightDownTeeVector|ReverseEquilibrium|NegativeThickSpace|longleftrightarrow|Longleftrightarrow|LongLeftRightArrow|DownRightTeeVector|DownRightVectorBar|GreaterSlantEqual|SquareSubsetEqual|LeftDownVectorBar|LeftDoubleBracket|VerticalSeparator|rightleftharpoons|NotGreaterGreater|NotSquareSuperset|blacktriangleleft|blacktriangledown|NegativeThinSpace|LeftDownTeeVector|NotLessSlantEqual|leftrightharpoons|DoubleUpDownArrow|DoubleVerticalBar|LeftTriangleEqual|FilledSmallSquare|twoheadrightarrow|NotNestedLessLess|DownLeftTeeVector|DownLeftVectorBar|RightAngleBracket|NotTildeFullEqual|NotReverseElement|RightUpDownVector|DiacriticalTilde|NotSucceedsTilde|circlearrowright|NotPrecedesEqual|rightharpoondown|DoubleRightArrow|NotSucceedsEqual|NonBreakingSpace|NotRightTriangle|LessEqualGreater|RightUpTeeVector|LeftAngleBracket|GreaterFullEqual|DownArrowUpArrow|RightUpVectorBar|twoheadleftarrow|GreaterEqualLess|downharpoonright|RightTriangleBar|ntrianglerighteq|NotSupersetEqual|LeftUpDownVector|DiacriticalAcute|rightrightarrows|vartriangleright|UpArrowDownArrow|DiacriticalGrave|UnderParenthesis|EmptySmallSquare|LeftUpVectorBar|leftrightarrows|DownRightVector|downharpoonleft|trianglerighteq|ShortRightArrow|OverParenthesis|DoubleLeftArrow|DoubleDownArrow|NotSquareSubset|bigtriangledown|ntrianglelefteq|UpperRightArrow|curvearrowright|vartriangleleft|NotLeftTriangle|nleftrightarrow|LowerRightArrow|NotHumpDownHump|NotGreaterTilde|rightthreetimes|LeftUpTeeVector|NotGreaterEqual|straightepsilon|LeftTriangleBar|rightsquigarrow|ContourIntegral|rightleftarrows|CloseCurlyQuote|RightDownVector|LeftRightVector|nLeftrightarrow|leftharpoondown|circlearrowleft|SquareSuperset|OpenCurlyQuote|hookrightarrow|HorizontalLine|DiacriticalDot|NotLessGreater|ntriangleright|DoubleRightTee|InvisibleComma|InvisibleTimes|LowerLeftArrow|DownLeftVector|NotSubsetEqual|curvearrowleft|trianglelefteq|NotVerticalBar|TildeFullEqual|downdownarrows|NotGreaterLess|RightTeeVector|ZeroWidthSpace|looparrowright|LongRightArrow|doublebarwedge|ShortLeftArrow|ShortDownArrow|RightVectorBar|GreaterGreater|ReverseElement|rightharpoonup|LessSlantEqual|leftthreetimes|upharpoonright|rightarrowtail|LeftDownVector|Longrightarrow|NestedLessLess|UpperLeftArrow|nshortparallel|leftleftarrows|leftrightarrow|Leftrightarrow|LeftRightArrow|longrightarrow|upharpoonleft|RightArrowBar|ApplyFunction|LeftTeeVector|leftarrowtail|NotEqualTilde|varsubsetneqq|varsupsetneqq|RightTeeArrow|SucceedsEqual|SucceedsTilde|LeftVectorBar|SupersetEqual|hookleftarrow|DifferentialD|VerticalTilde|VeryThinSpace|blacktriangle|bigtriangleup|LessFullEqual|divideontimes|leftharpoonup|UpEquilibrium|ntriangleleft|RightTriangle|measuredangle|shortparallel|longleftarrow|Longleftarrow|LongLeftArrow|DoubleLeftTee|Poincareplane|PrecedesEqual|triangleright|DoubleUpArrow|RightUpVector|fallingdotseq|looparrowleft|PrecedesTilde|NotTildeEqual|NotTildeTilde|smallsetminus|Proportional|triangleleft|triangledown|UnderBracket|NotHumpEqual|exponentiale|ExponentialE|NotLessTilde|HilbertSpace|RightCeiling|blacklozenge|varsupsetneq|HumpDownHump|GreaterEqual|VerticalLine|LeftTeeArrow|NotLessEqual|DownTeeArrow|LeftTriangle|varsubsetneq|Intersection|NotCongruent|DownArrowBar|
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var decodeMap = {'aacute':'\xE1','Aacute':'\xC1','abreve':'\u0103','Abreve':'\u0102','ac':'\u223E','acd':'\u223F','acE':'\u223E\u0333','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','acy':'\u0430','Acy':'\u0410','aelig':'\xE6','AElig':'\xC6','af':'\u2061','afr':'\uD835\uDD1E','Afr':'\uD835\uDD04','agrave':'\xE0','Agrave':'\xC0','alefsym':'\u2135','aleph':'\u2135','alpha':'\u03B1','Alpha':'\u0391','amacr':'\u0101','Amacr':'\u0100','amalg':'\u2A3F','amp':'&','AMP':'&','and':'\u2227','And':'\u2A53','andand':'\u2A55','andd':'\u2A5C','andslope':'\u2A58','andv':'\u2A5A','ang':'\u2220','ange':'\u29A4','angle':'\u2220','angmsd':'\u2221','angmsdaa':'\u29A8','angmsdab':'\u29A9','angmsdac':'\u29AA','angmsdad':'\u29AB','angmsdae':'\u29AC','angmsdaf':'\u29AD','angmsdag':'\u29AE','angmsdah':'\u29AF','angrt':'\u221F','angrtvb':'\u22BE','angrtvbd':'\u299D','angsph':'\u2222','angst':'\xC5','angzarr':'\u237C','aogon':'\u0105','Aogon':'\u0104','aopf':'\uD835\uDD52','Aopf':'\uD835\uDD38','ap':'\u2248','apacir':'\u2A6F','ape':'\u224A','apE':'\u2A70','apid':'\u224B','apos':'\'','ApplyFunction':'\u2061','approx':'\u2248','approxeq':'\u224A','aring':'\xE5','Aring':'\xC5','ascr':'\uD835\uDCB6','Ascr':'\uD835\uDC9C','Assign':'\u2254','ast':'*','asymp':'\u2248','asympeq':'\u224D','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','awconint':'\u2233','awint':'\u2A11','backcong':'\u224C','backepsilon':'\u03F6','backprime':'\u2035','backsim':'\u223D','backsimeq':'\u22CD','Backslash':'\u2216','Barv':'\u2AE7','barvee':'\u22BD','barwed':'\u2305','Barwed':'\u2306','barwedge':'\u2305','bbrk':'\u23B5','bbrktbrk':'\u23B6','bcong':'\u224C','bcy':'\u0431','Bcy':'\u0411','bdquo':'\u201E','becaus':'\u2235','because':'\u2235','Because':'\u2235','bemptyv':'\u29B0','bepsi':'\u03F6','bernou':'\u212C','Bernoullis':'\u212C','beta':'\u03B2','Beta':'\u0392','beth':'\u2136','between':'\u226C','bfr':'\uD835\uDD1F','Bfr':'\uD835\uDD05','bigcap':'\u22C2','bigcirc':'\u25EF','bigcup':'\u22C3','bigodot':'\u2A00','bigoplus':'\u2A01','bigotimes':'\u2A02','bigsqcup':'\u2A06','bigstar':'\u2605','bigtriangledown':'\u25BD','bigtriangleup':'\u25B3','biguplus':'\u2A04','bigvee':'\u22C1','bigwedge':'\u22C0','bkarow':'\u290D','blacklozenge':'\u29EB','blacksquare':'\u25AA','blacktriangle':'\u25B4','blacktriangledown':'\u25BE','blacktriangleleft':'\u25C2','blacktriangleright':'\u25B8','blank':'\u2423','blk12':'\u2592','blk14':'\u2591','blk34':'\u2593','block':'\u2588','bne':'=\u20E5','bnequiv':'\u2261\u20E5','bnot':'\u2310','bNot':'\u2AED','bopf':'\uD835\uDD53','Bopf':'\uD835\uDD39','bot':'\u22A5','bottom':'\u22A5','bowtie':'\u22C8','boxbox':'\u29C9','boxdl':'\u2510','boxdL':'\u2555','boxDl':'\u2556','boxDL':'\u2557','boxdr':'\u250C','boxdR':'\u2552','boxDr':'\u2553','boxDR':'\u2554','boxh':'\u2500','boxH':'\u2550','boxhd':'\u252C','boxhD':'\u2565','boxHd':'\u2564','boxHD':'\u2566','boxhu':'\u2534','boxhU':'\u2568','boxHu':'\u2567','boxHU':'\u2569','boxminus':'\u229F','boxplus':'\u229E','boxtimes':'\u22A0','boxul':'\u2518','boxuL':'\u255B','boxUl':'\u255C','boxUL':'\u255D','boxur':'\u2514','boxuR':'\u2558','boxUr':'\u2559','boxUR':'\u255A','boxv':'\u2502','boxV':'\u2551','boxvh':'\u253C','boxvH':'\u256A','boxVh':'\u256B','boxVH':'\u256C','boxvl':'\u2524','boxvL':'\u2561','boxVl':'\u2562','boxVL':'\u2563','boxvr':'\u251C','boxvR':'\u255E','boxVr':'\u255F','boxVR':'\u2560','bprime':'\u2035','breve':'\u02D8','Breve':'\u02D8','brvbar':'\xA6','bscr':'\uD835\uDCB7','Bscr':'\u212C','bsemi':'\u204F','bsim':'\u223D','bsime':'\u22CD','bsol':'\\','bsolb':'\u29C5','bsolhsub':'\u27C8','bull':'\u2022','bullet':'\u2022','bump':'\u224E','bumpe':'\u224F','bumpE':'\u2AAE','bumpeq':'\u224F','Bumpeq':'\u224E','cacute':'\u0107','Cacute':'\u0106','cap':'\u2229','Cap':'\u22D2','capand':'\u2A44','capbrcup':'\u2A49','capcap':'\u2A4B','capcup':'\u2A47','capdot':'\u2A40','CapitalDifferentialD':'\u2145','caps':'\u2229\uFE00','caret':'\u2041','caron':'\u02C7','Cayleys':'\u212D','ccaps':'\u2A4D','ccaron':'\u010D','Ccaron':'\u010C','ccedil':'\xE7','Ccedil':'\xC7','ccirc':'\u0109','Ccirc':'\u0108','Cconint':'\
|
||
|
|
var decodeMapLegacy = {'aacute':'\xE1','Aacute':'\xC1','acirc':'\xE2','Acirc':'\xC2','acute':'\xB4','aelig':'\xE6','AElig':'\xC6','agrave':'\xE0','Agrave':'\xC0','amp':'&','AMP':'&','aring':'\xE5','Aring':'\xC5','atilde':'\xE3','Atilde':'\xC3','auml':'\xE4','Auml':'\xC4','brvbar':'\xA6','ccedil':'\xE7','Ccedil':'\xC7','cedil':'\xB8','cent':'\xA2','copy':'\xA9','COPY':'\xA9','curren':'\xA4','deg':'\xB0','divide':'\xF7','eacute':'\xE9','Eacute':'\xC9','ecirc':'\xEA','Ecirc':'\xCA','egrave':'\xE8','Egrave':'\xC8','eth':'\xF0','ETH':'\xD0','euml':'\xEB','Euml':'\xCB','frac12':'\xBD','frac14':'\xBC','frac34':'\xBE','gt':'>','GT':'>','iacute':'\xED','Iacute':'\xCD','icirc':'\xEE','Icirc':'\xCE','iexcl':'\xA1','igrave':'\xEC','Igrave':'\xCC','iquest':'\xBF','iuml':'\xEF','Iuml':'\xCF','laquo':'\xAB','lt':'<','LT':'<','macr':'\xAF','micro':'\xB5','middot':'\xB7','nbsp':'\xA0','not':'\xAC','ntilde':'\xF1','Ntilde':'\xD1','oacute':'\xF3','Oacute':'\xD3','ocirc':'\xF4','Ocirc':'\xD4','ograve':'\xF2','Ograve':'\xD2','ordf':'\xAA','ordm':'\xBA','oslash':'\xF8','Oslash':'\xD8','otilde':'\xF5','Otilde':'\xD5','ouml':'\xF6','Ouml':'\xD6','para':'\xB6','plusmn':'\xB1','pound':'\xA3','quot':'"','QUOT':'"','raquo':'\xBB','reg':'\xAE','REG':'\xAE','sect':'\xA7','shy':'\xAD','sup1':'\xB9','sup2':'\xB2','sup3':'\xB3','szlig':'\xDF','thorn':'\xFE','THORN':'\xDE','times':'\xD7','uacute':'\xFA','Uacute':'\xDA','ucirc':'\xFB','Ucirc':'\xDB','ugrave':'\xF9','Ugrave':'\xD9','uml':'\xA8','uuml':'\xFC','Uuml':'\xDC','yacute':'\xFD','Yacute':'\xDD','yen':'\xA5','yuml':'\xFF'};
|
||
|
|
var decodeMapNumeric = {'0':'\uFFFD','128':'\u20AC','130':'\u201A','131':'\u0192','132':'\u201E','133':'\u2026','134':'\u2020','135':'\u2021','136':'\u02C6','137':'\u2030','138':'\u0160','139':'\u2039','140':'\u0152','142':'\u017D','145':'\u2018','146':'\u2019','147':'\u201C','148':'\u201D','149':'\u2022','150':'\u2013','151':'\u2014','152':'\u02DC','153':'\u2122','154':'\u0161','155':'\u203A','156':'\u0153','158':'\u017E','159':'\u0178'};
|
||
|
|
var invalidReferenceCodePoints = [1,2,3,4,5,6,7,8,11,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,64976,64977,64978,64979,64980,64981,64982,64983,64984,64985,64986,64987,64988,64989,64990,64991,64992,64993,64994,64995,64996,64997,64998,64999,65000,65001,65002,65003,65004,65005,65006,65007,65534,65535,131070,131071,196606,196607,262142,262143,327678,327679,393214,393215,458750,458751,524286,524287,589822,589823,655358,655359,720894,720895,786430,786431,851966,851967,917502,917503,983038,983039,1048574,1048575,1114110,1114111];
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
var stringFromCharCode = String.fromCharCode;
|
||
|
|
|
||
|
|
var object = {};
|
||
|
|
var hasOwnProperty = object.hasOwnProperty;
|
||
|
|
var has = function(object, propertyName) {
|
||
|
|
return hasOwnProperty.call(object, propertyName);
|
||
|
|
};
|
||
|
|
|
||
|
|
var contains = function(array, value) {
|
||
|
|
var index = -1;
|
||
|
|
var length = array.length;
|
||
|
|
while (++index < length) {
|
||
|
|
if (array[index] == value) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
};
|
||
|
|
|
||
|
|
var merge = function(options, defaults) {
|
||
|
|
if (!options) {
|
||
|
|
return defaults;
|
||
|
|
}
|
||
|
|
var result = {};
|
||
|
|
var key;
|
||
|
|
for (key in defaults) {
|
||
|
|
// A `hasOwnProperty` check is not needed here, since only recognized
|
||
|
|
// option names are used anyway. Any others are ignored.
|
||
|
|
result[key] = has(options, key) ? options[key] : defaults[key];
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Modified version of `ucs2encode`; see https://mths.be/punycode.
|
||
|
|
var codePointToSymbol = function(codePoint, strict) {
|
||
|
|
var output = '';
|
||
|
|
if ((codePoint >= 0xD800 && codePoint <= 0xDFFF) || codePoint > 0x10FFFF) {
|
||
|
|
// See issue #4:
|
||
|
|
// “Otherwise, if the number is in the range 0xD800 to 0xDFFF or is
|
||
|
|
// greater than 0x10FFFF, then this is a parse error. Return a U+FFFD
|
||
|
|
// REPLACEMENT CHARACTER.”
|
||
|
|
if (strict) {
|
||
|
|
parseError('character reference outside the permissible Unicode range');
|
||
|
|
}
|
||
|
|
return '\uFFFD';
|
||
|
|
}
|
||
|
|
if (has(decodeMapNumeric, codePoint)) {
|
||
|
|
if (strict) {
|
||
|
|
parseError('disallowed character reference');
|
||
|
|
}
|
||
|
|
return decodeMapNumeric[codePoint];
|
||
|
|
}
|
||
|
|
if (strict && contains(invalidReferenceCodePoints, codePoint)) {
|
||
|
|
parseError('disallowed character reference');
|
||
|
|
}
|
||
|
|
if (codePoint > 0xFFFF) {
|
||
|
|
codePoint -= 0x10000;
|
||
|
|
output += stringFromCharCode(codePoint >>> 10 & 0x3FF | 0xD800);
|
||
|
|
codePoint = 0xDC00 | codePoint & 0x3FF;
|
||
|
|
}
|
||
|
|
output += stringFromCharCode(codePoint);
|
||
|
|
return output;
|
||
|
|
};
|
||
|
|
|
||
|
|
var hexEscape = function(codePoint) {
|
||
|
|
return '&#x' + codePoint.toString(16).toUpperCase() + ';';
|
||
|
|
};
|
||
|
|
|
||
|
|
var decEscape = function(codePoint) {
|
||
|
|
return '&#' + codePoint + ';';
|
||
|
|
};
|
||
|
|
|
||
|
|
var parseError = function(message) {
|
||
|
|
throw Error('Parse error: ' + message);
|
||
|
|
};
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
var encode = function(string, options) {
|
||
|
|
options = merge(options, encode.options);
|
||
|
|
var strict = options.strict;
|
||
|
|
if (strict && regexInvalidRawCodePoint.test(string)) {
|
||
|
|
parseError('forbidden code point');
|
||
|
|
}
|
||
|
|
var encodeEverything = options.encodeEverything;
|
||
|
|
var useNamedReferences = options.useNamedReferences;
|
||
|
|
var allowUnsafeSymbols = options.allowUnsafeSymbols;
|
||
|
|
var escapeCodePoint = options.decimal ? decEscape : hexEscape;
|
||
|
|
|
||
|
|
var escapeBmpSymbol = function(symbol) {
|
||
|
|
return escapeCodePoint(symbol.charCodeAt(0));
|
||
|
|
};
|
||
|
|
|
||
|
|
if (encodeEverything) {
|
||
|
|
// Encode ASCII symbols.
|
||
|
|
string = string.replace(regexAsciiWhitelist, function(symbol) {
|
||
|
|
// Use named references if requested & possible.
|
||
|
|
if (useNamedReferences && has(encodeMap, symbol)) {
|
||
|
|
return '&' + encodeMap[symbol] + ';';
|
||
|
|
}
|
||
|
|
return escapeBmpSymbol(symbol);
|
||
|
|
});
|
||
|
|
// Shorten a few escapes that represent two symbols, of which at least one
|
||
|
|
// is within the ASCII range.
|
||
|
|
if (useNamedReferences) {
|
||
|
|
string = string
|
||
|
|
.replace(/>\u20D2/g, '>⃒')
|
||
|
|
.replace(/<\u20D2/g, '<⃒')
|
||
|
|
.replace(/fj/g, 'fj');
|
||
|
|
}
|
||
|
|
// Encode non-ASCII symbols.
|
||
|
|
if (useNamedReferences) {
|
||
|
|
// Encode non-ASCII symbols that can be replaced with a named reference.
|
||
|
|
string = string.replace(regexEncodeNonAscii, function(string) {
|
||
|
|
// Note: there is no need to check `has(encodeMap, string)` here.
|
||
|
|
return '&' + encodeMap[string] + ';';
|
||
|
|
});
|
||
|
|
}
|
||
|
|
// Note: any remaining non-ASCII symbols are handled outside of the `if`.
|
||
|
|
} else if (useNamedReferences) {
|
||
|
|
// Apply named character references.
|
||
|
|
// Encode `<>"'&` using named character references.
|
||
|
|
if (!allowUnsafeSymbols) {
|
||
|
|
string = string.replace(regexEscape, function(string) {
|
||
|
|
return '&' + encodeMap[string] + ';'; // no need to check `has()` here
|
||
|
|
});
|
||
|
|
}
|
||
|
|
// Shorten escapes that represent two symbols, of which at least one is
|
||
|
|
// `<>"'&`.
|
||
|
|
string = string
|
||
|
|
.replace(/>\u20D2/g, '>⃒')
|
||
|
|
.replace(/<\u20D2/g, '<⃒');
|
||
|
|
// Encode non-ASCII symbols that can be replaced with a named reference.
|
||
|
|
string = string.replace(regexEncodeNonAscii, function(string) {
|
||
|
|
// Note: there is no need to check `has(encodeMap, string)` here.
|
||
|
|
return '&' + encodeMap[string] + ';';
|
||
|
|
});
|
||
|
|
} else if (!allowUnsafeSymbols) {
|
||
|
|
// Encode `<>"'&` using hexadecimal escapes, now that they’re not handled
|
||
|
|
// using named character references.
|
||
|
|
string = string.replace(regexEscape, escapeBmpSymbol);
|
||
|
|
}
|
||
|
|
return string
|
||
|
|
// Encode astral symbols.
|
||
|
|
.replace(regexAstralSymbols, function($0) {
|
||
|
|
// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
|
||
|
|
var high = $0.charCodeAt(0);
|
||
|
|
var low = $0.charCodeAt(1);
|
||
|
|
var codePoint = (high - 0xD800) * 0x400 + low - 0xDC00 + 0x10000;
|
||
|
|
return escapeCodePoint(codePoint);
|
||
|
|
})
|
||
|
|
// Encode any remaining BMP symbols that are not printable ASCII symbols
|
||
|
|
// using a hexadecimal escape.
|
||
|
|
.replace(regexBmpWhitelist, escapeBmpSymbol);
|
||
|
|
};
|
||
|
|
// Expose default options (so they can be overridden globally).
|
||
|
|
encode.options = {
|
||
|
|
'allowUnsafeSymbols': false,
|
||
|
|
'encodeEverything': false,
|
||
|
|
'strict': false,
|
||
|
|
'useNamedReferences': false,
|
||
|
|
'decimal' : false
|
||
|
|
};
|
||
|
|
|
||
|
|
var decode = function(html, options) {
|
||
|
|
options = merge(options, decode.options);
|
||
|
|
var strict = options.strict;
|
||
|
|
if (strict && regexInvalidEntity.test(html)) {
|
||
|
|
parseError('malformed character reference');
|
||
|
|
}
|
||
|
|
return html.replace(regexDecode, function($0, $1, $2, $3, $4, $5, $6, $7, $8) {
|
||
|
|
var codePoint;
|
||
|
|
var semicolon;
|
||
|
|
var decDigits;
|
||
|
|
var hexDigits;
|
||
|
|
var reference;
|
||
|
|
var next;
|
||
|
|
|
||
|
|
if ($1) {
|
||
|
|
reference = $1;
|
||
|
|
// Note: there is no need to check `has(decodeMap, reference)`.
|
||
|
|
return decodeMap[reference];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($2) {
|
||
|
|
// Decode named character references without trailing `;`, e.g. `&`.
|
||
|
|
// This is only a parse error if it gets converted to `&`, or if it is
|
||
|
|
// followed by `=` in an attribute context.
|
||
|
|
reference = $2;
|
||
|
|
next = $3;
|
||
|
|
if (next && options.isAttributeValue) {
|
||
|
|
if (strict && next == '=') {
|
||
|
|
parseError('`&` did not start a character reference');
|
||
|
|
}
|
||
|
|
return $0;
|
||
|
|
} else {
|
||
|
|
if (strict) {
|
||
|
|
parseError(
|
||
|
|
'named character reference was not terminated by a semicolon'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
// Note: there is no need to check `has(decodeMapLegacy, reference)`.
|
||
|
|
return decodeMapLegacy[reference] + (next || '');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($4) {
|
||
|
|
// Decode decimal escapes, e.g. `𝌆`.
|
||
|
|
decDigits = $4;
|
||
|
|
semicolon = $5;
|
||
|
|
if (strict && !semicolon) {
|
||
|
|
parseError('character reference was not terminated by a semicolon');
|
||
|
|
}
|
||
|
|
codePoint = parseInt(decDigits, 10);
|
||
|
|
return codePointToSymbol(codePoint, strict);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($6) {
|
||
|
|
// Decode hexadecimal escapes, e.g. `𝌆`.
|
||
|
|
hexDigits = $6;
|
||
|
|
semicolon = $7;
|
||
|
|
if (strict && !semicolon) {
|
||
|
|
parseError('character reference was not terminated by a semicolon');
|
||
|
|
}
|
||
|
|
codePoint = parseInt(hexDigits, 16);
|
||
|
|
return codePointToSymbol(codePoint, strict);
|
||
|
|
}
|
||
|
|
|
||
|
|
// If we’re still here, `if ($7)` is implied; it’s an ambiguous
|
||
|
|
// ampersand for sure. https://mths.be/notes/ambiguous-ampersands
|
||
|
|
if (strict) {
|
||
|
|
parseError(
|
||
|
|
'named character reference was not terminated by a semicolon'
|
||
|
|
);
|
||
|
|
}
|
||
|
|
return $0;
|
||
|
|
});
|
||
|
|
};
|
||
|
|
// Expose default options (so they can be overridden globally).
|
||
|
|
decode.options = {
|
||
|
|
'isAttributeValue': false,
|
||
|
|
'strict': false
|
||
|
|
};
|
||
|
|
|
||
|
|
var escape = function(string) {
|
||
|
|
return string.replace(regexEscape, function($0) {
|
||
|
|
// Note: there is no need to check `has(escapeMap, $0)` here.
|
||
|
|
return escapeMap[$0];
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
/*--------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
var he = {
|
||
|
|
'version': '1.2.0',
|
||
|
|
'encode': encode,
|
||
|
|
'decode': decode,
|
||
|
|
'escape': escape,
|
||
|
|
'unescape': decode
|
||
|
|
};
|
||
|
|
|
||
|
|
// Some AMD build optimizers, like r.js, check for specific condition patterns
|
||
|
|
// like the following:
|
||
|
|
if (
|
||
|
|
typeof define == 'function' &&
|
||
|
|
typeof define.amd == 'object' &&
|
||
|
|
define.amd
|
||
|
|
) {
|
||
|
|
define(function() {
|
||
|
|
return he;
|
||
|
|
});
|
||
|
|
} else if (freeExports && !freeExports.nodeType) {
|
||
|
|
if (freeModule) { // in Node.js, io.js, or RingoJS v0.8.0+
|
||
|
|
freeModule.exports = he;
|
||
|
|
} else { // in Narwhal or RingoJS v0.7.0-
|
||
|
|
for (var key in he) {
|
||
|
|
has(he, key) && (freeExports[key] = he[key]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else { // in Rhino or a web browser
|
||
|
|
root.he = he;
|
||
|
|
}
|
||
|
|
|
||
|
|
}(this));
|