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-rwxr-xr-xjs/stmd.js5261
1 files changed, 3754 insertions, 1507 deletions
diff --git a/js/stmd.js b/js/stmd.js
index f7f48fd..ba5c2a3 100755
--- a/js/stmd.js
+++ b/js/stmd.js
@@ -1,4 +1,4 @@
-// stmd.js - CommonMark in javascript
+// stmd.js - CommomMark in JavaScript
// Copyright (C) 2014 John MacFarlane
// License: BSD3.
@@ -11,1537 +11,3784 @@
(function(exports) {
-// Some regexps used in inline parser:
-
-var ESCAPABLE = '[!"#$%&\'()*+,./:;<=>?@[\\\\\\]^_`{|}~-]';
-var ESCAPED_CHAR = '\\\\' + ESCAPABLE;
-var IN_DOUBLE_QUOTES = '"(' + ESCAPED_CHAR + '|[^"\\x00])*"';
-var IN_SINGLE_QUOTES = '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'';
-var IN_PARENS = '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\)';
-var REG_CHAR = '[^\\\\()\\x00-\\x20]';
-var IN_PARENS_NOSP = '\\((' + REG_CHAR + '|' + ESCAPED_CHAR + ')*\\)';
-var TAGNAME = '[A-Za-z][A-Za-z0-9]*';
-var BLOCKTAGNAME = '(?:article|header|aside|hgroup|iframe|blockquote|hr|body|li|map|button|object|canvas|ol|caption|output|col|p|colgroup|pre|dd|progress|div|section|dl|table|td|dt|tbody|embed|textarea|fieldset|tfoot|figcaption|th|figure|thead|footer|footer|tr|form|ul|h1|h2|h3|h4|h5|h6|video|script|style)';
-var ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
-var UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
-var SINGLEQUOTEDVALUE = "'[^']*'";
-var DOUBLEQUOTEDVALUE = '"[^"]*"';
-var ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE + "|" + DOUBLEQUOTEDVALUE + ")";
-var ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE + ")";
-var ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC + "?)";
-var OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
-var CLOSETAG = "</" + TAGNAME + "\\s*[>]";
-var OPENBLOCKTAG = "<" + BLOCKTAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
-var CLOSEBLOCKTAG = "</" + BLOCKTAGNAME + "\\s*[>]";
-var HTMLCOMMENT = "<!--([^-]+|[-][^-]+)*-->";
-var PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
-var DECLARATION = "<![A-Z]+" + "\\s+[^>]*>";
-var CDATA = "<!\\[CDATA\\[([^\\]]+|\\][^\\]]|\\]\\][^>])*\\]\\]>";
-var HTMLTAG = "(?:" + OPENTAG + "|" + CLOSETAG + "|" + HTMLCOMMENT + "|" +
- PROCESSINGINSTRUCTION + "|" + DECLARATION + "|" + CDATA + ")";
-var HTMLBLOCKOPEN = "<(?:" + BLOCKTAGNAME + "[\\s/>]" + "|" +
- "/" + BLOCKTAGNAME + "[\\s>]" + "|" + "[?!])";
-
-var reHtmlTag = new RegExp('^' + HTMLTAG, 'i');
-
-var reHtmlBlockOpen = new RegExp('^' + HTMLBLOCKOPEN, 'i');
-
-var reLinkTitle = new RegExp(
- '^(?:"(' + ESCAPED_CHAR + '|[^"\\x00])*"' +
- '|' +
- '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
- '|' +
- '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');
-
-var reLinkDestinationBraces = new RegExp(
- '^(?:[<](?:[^<>\\n\\\\\\x00]' + '|' + ESCAPED_CHAR + '|' + '\\\\)*[>])');
-
-var reLinkDestination = new RegExp(
- '^(?:' + REG_CHAR + '+|' + ESCAPED_CHAR + '|' + IN_PARENS_NOSP + ')*');
-
-var reEscapable = new RegExp(ESCAPABLE);
-
-var reAllEscapedChar = new RegExp('\\\\(' + ESCAPABLE + ')', 'g');
-
-var reEscapedChar = new RegExp('^\\\\(' + ESCAPABLE + ')');
-
-var reAllTab = /\t/g;
-
-var reHrule = /^(?:(?:\* *){3,}|(?:_ *){3,}|(?:- *){3,}) *$/;
-
-// Matches a character with a special meaning in markdown,
-// or a string of non-special characters.
-var reMain = /^(?:[\n`\[\]\\!<&*_]|[^\n`\[\]\\!<&*_]+)/m;
-
-// UTILITY FUNCTIONS
-
-// Replace backslash escapes with literal characters.
-var unescape = function(s) {
- return s.replace(reAllEscapedChar, '$1');
-};
-
-// Returns true if string contains only space characters.
-var isBlank = function(s) {
- return /^\s*$/.test(s);
-};
-
-// Normalize reference label: collapse internal whitespace
-// to single space, remove leading/trailing whitespace, case fold.
-var normalizeReference = function(s) {
- return s.trim()
- .replace(/\s+/,' ')
- .toUpperCase();
-};
-
-// Attempt to match a regex in string s at offset offset.
-// Return index of match or null.
-var matchAt = function(re, s, offset) {
- var res = s.slice(offset).match(re);
- if (res) {
- return offset + res.index;
- } else {
- return null;
- }
-};
-
-// Convert tabs to spaces on each line using a 4-space tab stop.
-var detabLine = function(text) {
- if (text.indexOf('\t') == -1) {
- return text;
- } else {
- var lastStop = 0;
- return text.replace(reAllTab, function(match, offset) {
- var result = ' '.slice((offset - lastStop) % 4);
- lastStop = offset + 1;
- return result;
- });
- }
-};
-
-// INLINE PARSER
-
-// These are methods of an InlineParser object, defined below.
-// An InlineParser keeps track of a subject (a string to be
-// parsed) and a position in that subject.
-
-// If re matches at current position in the subject, advance
-// position in subject and return the match; otherwise return null.
-var match = function(re) {
- var match = re.exec(this.subject.slice(this.pos));
- if (match) {
- this.pos += match.index + match[0].length;
- return match[0];
- } else {
- return null;
- }
-};
-
-// Returns the character at the current subject position, or null if
-// there are no more characters.
-var peek = function() {
- return this.subject.charAt(this.pos) || null;
-};
-
-// Parse zero or more space characters, including at most one newline
-var spnl = function() {
- this.match(/^ *(?:\n *)?/);
- return 1;
-};
-
-// All of the parsers below try to match something at the current position
-// in the subject. If they succeed in matching anything, they
-// push an inline element onto the 'inlines' list. They return the
-// number of characters parsed (possibly 0).
-
-// Attempt to parse backticks, adding either a backtick code span or a
-// literal sequence of backticks to the 'inlines' list.
-var parseBackticks = function(inlines) {
- var startpos = this.pos;
- var ticks = this.match(/^`+/);
- if (!ticks) {
- return 0;
- }
- var afterOpenTicks = this.pos;
- var foundCode = false;
- var match;
- while (!foundCode && (match = this.match(/`+/m))) {
- if (match == ticks) {
- inlines.push({ t: 'Code', c: this.subject.slice(afterOpenTicks,
- this.pos - ticks.length)
- .replace(/[ \n]+/g,' ')
- .trim() });
- return (this.pos - startpos);
+ var entities = { AAacute: 'Á',
+ aacute: 'á',
+ Abreve: 'Ă',
+ abreve: 'ă',
+ ac: '∾',
+ acd: '∿',
+ acE: '∾',
+ Acirc: 'Â',
+ acirc: 'â',
+ acute: '´',
+ Acy: 'А',
+ acy: 'а',
+ AElig: 'Æ',
+ aelig: 'æ',
+ af: '⁡',
+ Afr: '𝔄',
+ afr: '𝔞',
+ Agrave: 'À',
+ agrave: 'à',
+ alefsym: 'ℵ',
+ aleph: 'ℵ',
+ Alpha: 'Α',
+ alpha: 'α',
+ Amacr: 'Ā',
+ amacr: 'ā',
+ amalg: '⨿',
+ amp: '&',
+ AMP: '&',
+ andand: '⩕',
+ And: '⩓',
+ and: '∧',
+ andd: '⩜',
+ andslope: '⩘',
+ andv: '⩚',
+ ang: '∠',
+ ange: '⦤',
+ angle: '∠',
+ angmsdaa: '⦨',
+ angmsdab: '⦩',
+ angmsdac: '⦪',
+ angmsdad: '⦫',
+ angmsdae: '⦬',
+ angmsdaf: '⦭',
+ angmsdag: '⦮',
+ angmsdah: '⦯',
+ angmsd: '∡',
+ angrt: '∟',
+ angrtvb: '⊾',
+ angrtvbd: '⦝',
+ angsph: '∢',
+ angst: 'Å',
+ angzarr: '⍼',
+ Aogon: 'Ą',
+ aogon: 'ą',
+ Aopf: '𝔸',
+ aopf: '𝕒',
+ apacir: '⩯',
+ ap: '≈',
+ apE: '⩰',
+ ape: '≊',
+ apid: '≋',
+ apos: '\'',
+ ApplyFunction: '⁡',
+ approx: '≈',
+ approxeq: '≊',
+ Aring: 'Å',
+ aring: 'å',
+ Ascr: '𝒜',
+ ascr: '𝒶',
+ Assign: '≔',
+ ast: '*',
+ asymp: '≈',
+ asympeq: '≍',
+ Atilde: 'Ã',
+ atilde: 'ã',
+ Auml: 'Ä',
+ auml: 'ä',
+ awconint: '∳',
+ awint: '⨑',
+ backcong: '≌',
+ backepsilon: '϶',
+ backprime: '‵',
+ backsim: '∽',
+ backsimeq: '⋍',
+ Backslash: '∖',
+ Barv: '⫧',
+ barvee: '⊽',
+ barwed: '⌅',
+ Barwed: '⌆',
+ barwedge: '⌅',
+ bbrk: '⎵',
+ bbrktbrk: '⎶',
+ bcong: '≌',
+ Bcy: 'Б',
+ bcy: 'б',
+ bdquo: '„',
+ becaus: '∵',
+ because: '∵',
+ Because: '∵',
+ bemptyv: '⦰',
+ bepsi: '϶',
+ bernou: 'ℬ',
+ Bernoullis: 'ℬ',
+ Beta: 'Β',
+ beta: 'β',
+ beth: 'ℶ',
+ between: '≬',
+ Bfr: '𝔅',
+ bfr: '𝔟',
+ bigcap: '⋂',
+ bigcirc: '◯',
+ bigcup: '⋃',
+ bigodot: '⨀',
+ bigoplus: '⨁',
+ bigotimes: '⨂',
+ bigsqcup: '⨆',
+ bigstar: '★',
+ bigtriangledown: '▽',
+ bigtriangleup: '△',
+ biguplus: '⨄',
+ bigvee: '⋁',
+ bigwedge: '⋀',
+ bkarow: '⤍',
+ blacklozenge: '⧫',
+ blacksquare: '▪',
+ blacktriangle: '▴',
+ blacktriangledown: '▾',
+ blacktriangleleft: '◂',
+ blacktriangleright: '▸',
+ blank: '␣',
+ blk12: '▒',
+ blk14: '░',
+ blk34: '▓',
+ block: '█',
+ bne: '=',
+ bnequiv: '≡',
+ bNot: '⫭',
+ bnot: '⌐',
+ Bopf: '𝔹',
+ bopf: '𝕓',
+ bot: '⊥',
+ bottom: '⊥',
+ bowtie: '⋈',
+ boxbox: '⧉',
+ boxdl: '┐',
+ boxdL: '╕',
+ boxDl: '╖',
+ boxDL: '╗',
+ boxdr: '┌',
+ boxdR: '╒',
+ boxDr: '╓',
+ boxDR: '╔',
+ boxh: '─',
+ boxH: '═',
+ boxhd: '┬',
+ boxHd: '╤',
+ boxhD: '╥',
+ boxHD: '╦',
+ boxhu: '┴',
+ boxHu: '╧',
+ boxhU: '╨',
+ boxHU: '╩',
+ boxminus: '⊟',
+ boxplus: '⊞',
+ boxtimes: '⊠',
+ boxul: '┘',
+ boxuL: '╛',
+ boxUl: '╜',
+ boxUL: '╝',
+ boxur: '└',
+ boxuR: '╘',
+ boxUr: '╙',
+ boxUR: '╚',
+ boxv: '│',
+ boxV: '║',
+ boxvh: '┼',
+ boxvH: '╪',
+ boxVh: '╫',
+ boxVH: '╬',
+ boxvl: '┤',
+ boxvL: '╡',
+ boxVl: '╢',
+ boxVL: '╣',
+ boxvr: '├',
+ boxvR: '╞',
+ boxVr: '╟',
+ boxVR: '╠',
+ bprime: '‵',
+ breve: '˘',
+ Breve: '˘',
+ brvbar: '¦',
+ bscr: '𝒷',
+ Bscr: 'ℬ',
+ bsemi: '⁏',
+ bsim: '∽',
+ bsime: '⋍',
+ bsolb: '⧅',
+ bsol: '\\',
+ bsolhsub: '⟈',
+ bull: '•',
+ bullet: '•',
+ bump: '≎',
+ bumpE: '⪮',
+ bumpe: '≏',
+ Bumpeq: '≎',
+ bumpeq: '≏',
+ Cacute: 'Ć',
+ cacute: 'ć',
+ capand: '⩄',
+ capbrcup: '⩉',
+ capcap: '⩋',
+ cap: '∩',
+ Cap: '⋒',
+ capcup: '⩇',
+ capdot: '⩀',
+ CapitalDifferentialD: 'ⅅ',
+ caps: '∩',
+ caret: '⁁',
+ caron: 'ˇ',
+ Cayleys: 'ℭ',
+ ccaps: '⩍',
+ Ccaron: 'Č',
+ ccaron: 'č',
+ Ccedil: 'Ç',
+ ccedil: 'ç',
+ Ccirc: 'Ĉ',
+ ccirc: 'ĉ',
+ Cconint: '∰',
+ ccups: '⩌',
+ ccupssm: '⩐',
+ Cdot: 'Ċ',
+ cdot: 'ċ',
+ cedil: '¸',
+ Cedilla: '¸',
+ cemptyv: '⦲',
+ cent: '¢',
+ centerdot: '·',
+ CenterDot: '·',
+ cfr: '𝔠',
+ Cfr: 'ℭ',
+ CHcy: 'Ч',
+ chcy: 'ч',
+ check: '✓',
+ checkmark: '✓',
+ Chi: 'Χ',
+ chi: 'χ',
+ circ: 'ˆ',
+ circeq: '≗',
+ circlearrowleft: '↺',
+ circlearrowright: '↻',
+ circledast: '⊛',
+ circledcirc: '⊚',
+ circleddash: '⊝',
+ CircleDot: '⊙',
+ circledR: '®',
+ circledS: 'Ⓢ',
+ CircleMinus: '⊖',
+ CirclePlus: '⊕',
+ CircleTimes: '⊗',
+ cir: '○',
+ cirE: '⧃',
+ cire: '≗',
+ cirfnint: '⨐',
+ cirmid: '⫯',
+ cirscir: '⧂',
+ ClockwiseContourIntegral: '∲',
+ CloseCurlyDoubleQuote: '”',
+ CloseCurlyQuote: '’',
+ clubs: '♣',
+ clubsuit: '♣',
+ colon: ':',
+ Colon: '∷',
+ Colone: '⩴',
+ colone: '≔',
+ coloneq: '≔',
+ comma: ',',
+ commat: '@',
+ comp: '∁',
+ compfn: '∘',
+ complement: '∁',
+ complexes: 'ℂ',
+ cong: '≅',
+ congdot: '⩭',
+ Congruent: '≡',
+ conint: '∮',
+ Conint: '∯',
+ ContourIntegral: '∮',
+ copf: '𝕔',
+ Copf: 'ℂ',
+ coprod: '∐',
+ Coproduct: '∐',
+ copy: '©',
+ COPY: '©',
+ copysr: '℗',
+ CounterClockwiseContourIntegral: '∳',
+ crarr: '↵',
+ cross: '✗',
+ Cross: '⨯',
+ Cscr: '𝒞',
+ cscr: '𝒸',
+ csub: '⫏',
+ csube: '⫑',
+ csup: '⫐',
+ csupe: '⫒',
+ ctdot: '⋯',
+ cudarrl: '⤸',
+ cudarrr: '⤵',
+ cuepr: '⋞',
+ cuesc: '⋟',
+ cularr: '↶',
+ cularrp: '⤽',
+ cupbrcap: '⩈',
+ cupcap: '⩆',
+ CupCap: '≍',
+ cup: '∪',
+ Cup: '⋓',
+ cupcup: '⩊',
+ cupdot: '⊍',
+ cupor: '⩅',
+ cups: '∪',
+ curarr: '↷',
+ curarrm: '⤼',
+ curlyeqprec: '⋞',
+ curlyeqsucc: '⋟',
+ curlyvee: '⋎',
+ curlywedge: '⋏',
+ curren: '¤',
+ curvearrowleft: '↶',
+ curvearrowright: '↷',
+ cuvee: '⋎',
+ cuwed: '⋏',
+ cwconint: '∲',
+ cwint: '∱',
+ cylcty: '⌭',
+ dagger: '†',
+ Dagger: '‡',
+ daleth: 'ℸ',
+ darr: '↓',
+ Darr: '↡',
+ dArr: '⇓',
+ dash: '‐',
+ Dashv: '⫤',
+ dashv: '⊣',
+ dbkarow: '⤏',
+ dblac: '˝',
+ Dcaron: 'Ď',
+ dcaron: 'ď',
+ Dcy: 'Д',
+ dcy: 'д',
+ ddagger: '‡',
+ ddarr: '⇊',
+ DD: 'ⅅ',
+ dd: 'ⅆ',
+ DDotrahd: '⤑',
+ ddotseq: '⩷',
+ deg: '°',
+ Del: '∇',
+ Delta: 'Δ',
+ delta: 'δ',
+ demptyv: '⦱',
+ dfisht: '⥿',
+ Dfr: '𝔇',
+ dfr: '𝔡',
+ dHar: '⥥',
+ dharl: '⇃',
+ dharr: '⇂',
+ DiacriticalAcute: '´',
+ DiacriticalDot: '˙',
+ DiacriticalDoubleAcute: '˝',
+ DiacriticalGrave: '`',
+ DiacriticalTilde: '˜',
+ diam: '⋄',
+ diamond: '⋄',
+ Diamond: '⋄',
+ diamondsuit: '♦',
+ diams: '♦',
+ die: '¨',
+ DifferentialD: 'ⅆ',
+ digamma: 'ϝ',
+ disin: '⋲',
+ div: '÷',
+ divide: '÷',
+ divideontimes: '⋇',
+ divonx: '⋇',
+ DJcy: 'Ђ',
+ djcy: 'ђ',
+ dlcorn: '⌞',
+ dlcrop: '⌍',
+ dollar: '$',
+ Dopf: '𝔻',
+ dopf: '𝕕',
+ Dot: '¨',
+ dot: '˙',
+ DotDot: '⃜',
+ doteq: '≐',
+ doteqdot: '≑',
+ DotEqual: '≐',
+ dotminus: '∸',
+ dotplus: '∔',
+ dotsquare: '⊡',
+ doublebarwedge: '⌆',
+ DoubleContourIntegral: '∯',
+ DoubleDot: '¨',
+ DoubleDownArrow: '⇓',
+ DoubleLeftArrow: '⇐',
+ DoubleLeftRightArrow: '⇔',
+ DoubleLeftTee: '⫤',
+ DoubleLongLeftArrow: '⟸',
+ DoubleLongLeftRightArrow: '⟺',
+ DoubleLongRightArrow: '⟹',
+ DoubleRightArrow: '⇒',
+ DoubleRightTee: '⊨',
+ DoubleUpArrow: '⇑',
+ DoubleUpDownArrow: '⇕',
+ DoubleVerticalBar: '∥',
+ DownArrowBar: '⤓',
+ downarrow: '↓',
+ DownArrow: '↓',
+ Downarrow: '⇓',
+ DownArrowUpArrow: '⇵',
+ DownBreve: '̑',
+ downdownarrows: '⇊',
+ downharpoonleft: '⇃',
+ downharpoonright: '⇂',
+ DownLeftRightVector: '⥐',
+ DownLeftTeeVector: '⥞',
+ DownLeftVectorBar: '⥖',
+ DownLeftVector: '↽',
+ DownRightTeeVector: '⥟',
+ DownRightVectorBar: '⥗',
+ DownRightVector: '⇁',
+ DownTeeArrow: '↧',
+ DownTee: '⊤',
+ drbkarow: '⤐',
+ drcorn: '⌟',
+ drcrop: '⌌',
+ Dscr: '𝒟',
+ dscr: '𝒹',
+ DScy: 'Ѕ',
+ dscy: 'ѕ',
+ dsol: '⧶',
+ Dstrok: 'Đ',
+ dstrok: 'đ',
+ dtdot: '⋱',
+ dtri: '▿',
+ dtrif: '▾',
+ duarr: '⇵',
+ duhar: '⥯',
+ dwangle: '⦦',
+ DZcy: 'Џ',
+ dzcy: 'џ',
+ dzigrarr: '⟿',
+ Eacute: 'É',
+ eacute: 'é',
+ easter: '⩮',
+ Ecaron: 'Ě',
+ ecaron: 'ě',
+ Ecirc: 'Ê',
+ ecirc: 'ê',
+ ecir: '≖',
+ ecolon: '≕',
+ Ecy: 'Э',
+ ecy: 'э',
+ eDDot: '⩷',
+ Edot: 'Ė',
+ edot: 'ė',
+ eDot: '≑',
+ ee: 'ⅇ',
+ efDot: '≒',
+ Efr: '𝔈',
+ efr: '𝔢',
+ eg: '⪚',
+ Egrave: 'È',
+ egrave: 'è',
+ egs: '⪖',
+ egsdot: '⪘',
+ el: '⪙',
+ Element: '∈',
+ elinters: '⏧',
+ ell: 'ℓ',
+ els: '⪕',
+ elsdot: '⪗',
+ Emacr: 'Ē',
+ emacr: 'ē',
+ empty: '∅',
+ emptyset: '∅',
+ EmptySmallSquare: '◻',
+ emptyv: '∅',
+ EmptyVerySmallSquare: '▫',
+ emsp13: ' ',
+ emsp14: ' ',
+ emsp: ' ',
+ ENG: 'Ŋ',
+ eng: 'ŋ',
+ ensp: ' ',
+ Eogon: 'Ę',
+ eogon: 'ę',
+ Eopf: '𝔼',
+ eopf: '𝕖',
+ epar: '⋕',
+ eparsl: '⧣',
+ eplus: '⩱',
+ epsi: 'ε',
+ Epsilon: 'Ε',
+ epsilon: 'ε',
+ epsiv: 'ϵ',
+ eqcirc: '≖',
+ eqcolon: '≕',
+ eqsim: '≂',
+ eqslantgtr: '⪖',
+ eqslantless: '⪕',
+ Equal: '⩵',
+ equals: '=',
+ EqualTilde: '≂',
+ equest: '≟',
+ Equilibrium: '⇌',
+ equiv: '≡',
+ equivDD: '⩸',
+ eqvparsl: '⧥',
+ erarr: '⥱',
+ erDot: '≓',
+ escr: 'ℯ',
+ Escr: 'ℰ',
+ esdot: '≐',
+ Esim: '⩳',
+ esim: '≂',
+ Eta: 'Η',
+ eta: 'η',
+ ETH: 'Ð',
+ eth: 'ð',
+ Euml: 'Ë',
+ euml: 'ë',
+ euro: '€',
+ excl: '!',
+ exist: '∃',
+ Exists: '∃',
+ expectation: 'ℰ',
+ exponentiale: 'ⅇ',
+ ExponentialE: 'ⅇ',
+ fallingdotseq: '≒',
+ Fcy: 'Ф',
+ fcy: 'ф',
+ female: '♀',
+ ffilig: 'ffi',
+ fflig: 'ff',
+ ffllig: 'ffl',
+ Ffr: '𝔉',
+ ffr: '𝔣',
+ filig: 'fi',
+ FilledSmallSquare: '◼',
+ FilledVerySmallSquare: '▪',
+ fjlig: 'f',
+ flat: '♭',
+ fllig: 'fl',
+ fltns: '▱',
+ fnof: 'ƒ',
+ Fopf: '𝔽',
+ fopf: '𝕗',
+ forall: '∀',
+ ForAll: '∀',
+ fork: '⋔',
+ forkv: '⫙',
+ Fouriertrf: 'ℱ',
+ fpartint: '⨍',
+ frac12: '½',
+ frac13: '⅓',
+ frac14: '¼',
+ frac15: '⅕',
+ frac16: '⅙',
+ frac18: '⅛',
+ frac23: '⅔',
+ frac25: '⅖',
+ frac34: '¾',
+ frac35: '⅗',
+ frac38: '⅜',
+ frac45: '⅘',
+ frac56: '⅚',
+ frac58: '⅝',
+ frac78: '⅞',
+ frasl: '⁄',
+ frown: '⌢',
+ fscr: '𝒻',
+ Fscr: 'ℱ',
+ gacute: 'ǵ',
+ Gamma: 'Γ',
+ gamma: 'γ',
+ Gammad: 'Ϝ',
+ gammad: 'ϝ',
+ gap: '⪆',
+ Gbreve: 'Ğ',
+ gbreve: 'ğ',
+ Gcedil: 'Ģ',
+ Gcirc: 'Ĝ',
+ gcirc: 'ĝ',
+ Gcy: 'Г',
+ gcy: 'г',
+ Gdot: 'Ġ',
+ gdot: 'ġ',
+ ge: '≥',
+ gE: '≧',
+ gEl: '⪌',
+ gel: '⋛',
+ geq: '≥',
+ geqq: '≧',
+ geqslant: '⩾',
+ gescc: '⪩',
+ ges: '⩾',
+ gesdot: '⪀',
+ gesdoto: '⪂',
+ gesdotol: '⪄',
+ gesl: '⋛',
+ gesles: '⪔',
+ Gfr: '𝔊',
+ gfr: '𝔤',
+ gg: '≫',
+ Gg: '⋙',
+ ggg: '⋙',
+ gimel: 'ℷ',
+ GJcy: 'Ѓ',
+ gjcy: 'ѓ',
+ gla: '⪥',
+ gl: '≷',
+ glE: '⪒',
+ glj: '⪤',
+ gnap: '⪊',
+ gnapprox: '⪊',
+ gne: '⪈',
+ gnE: '≩',
+ gneq: '⪈',
+ gneqq: '≩',
+ gnsim: '⋧',
+ Gopf: '𝔾',
+ gopf: '𝕘',
+ grave: '`',
+ GreaterEqual: '≥',
+ GreaterEqualLess: '⋛',
+ GreaterFullEqual: '≧',
+ GreaterGreater: '⪢',
+ GreaterLess: '≷',
+ GreaterSlantEqual: '⩾',
+ GreaterTilde: '≳',
+ Gscr: '𝒢',
+ gscr: 'ℊ',
+ gsim: '≳',
+ gsime: '⪎',
+ gsiml: '⪐',
+ gtcc: '⪧',
+ gtcir: '⩺',
+ gt: '>',
+ GT: '>',
+ Gt: '≫',
+ gtdot: '⋗',
+ gtlPar: '⦕',
+ gtquest: '⩼',
+ gtrapprox: '⪆',
+ gtrarr: '⥸',
+ gtrdot: '⋗',
+ gtreqless: '⋛',
+ gtreqqless: '⪌',
+ gtrless: '≷',
+ gtrsim: '≳',
+ gvertneqq: '≩',
+ gvnE: '≩',
+ Hacek: 'ˇ',
+ hairsp: ' ',
+ half: '½',
+ hamilt: 'ℋ',
+ HARDcy: 'Ъ',
+ hardcy: 'ъ',
+ harrcir: '⥈',
+ harr: '↔',
+ hArr: '⇔',
+ harrw: '↭',
+ Hat: '^',
+ hbar: 'ℏ',
+ Hcirc: 'Ĥ',
+ hcirc: 'ĥ',
+ hearts: '♥',
+ heartsuit: '♥',
+ hellip: '…',
+ hercon: '⊹',
+ hfr: '𝔥',
+ Hfr: 'ℌ',
+ HilbertSpace: 'ℋ',
+ hksearow: '⤥',
+ hkswarow: '⤦',
+ hoarr: '⇿',
+ homtht: '∻',
+ hookleftarrow: '↩',
+ hookrightarrow: '↪',
+ hopf: '𝕙',
+ Hopf: 'ℍ',
+ horbar: '―',
+ HorizontalLine: '─',
+ hscr: '𝒽',
+ Hscr: 'ℋ',
+ hslash: 'ℏ',
+ Hstrok: 'Ħ',
+ hstrok: 'ħ',
+ HumpDownHump: '≎',
+ HumpEqual: '≏',
+ hybull: '⁃',
+ hyphen: '‐',
+ Iacute: 'Í',
+ iacute: 'í',
+ ic: '⁣',
+ Icirc: 'Î',
+ icirc: 'î',
+ Icy: 'И',
+ icy: 'и',
+ Idot: 'İ',
+ IEcy: 'Е',
+ iecy: 'е',
+ iexcl: '¡',
+ iff: '⇔',
+ ifr: '𝔦',
+ Ifr: 'ℑ',
+ Igrave: 'Ì',
+ igrave: 'ì',
+ ii: 'ⅈ',
+ iiiint: '⨌',
+ iiint: '∭',
+ iinfin: '⧜',
+ iiota: '℩',
+ IJlig: 'IJ',
+ ijlig: 'ij',
+ Imacr: 'Ī',
+ imacr: 'ī',
+ image: 'ℑ',
+ ImaginaryI: 'ⅈ',
+ imagline: 'ℐ',
+ imagpart: 'ℑ',
+ imath: 'ı',
+ Im: 'ℑ',
+ imof: '⊷',
+ imped: 'Ƶ',
+ Implies: '⇒',
+ incare: '℅',
+ in: '∈',
+ infin: '∞',
+ infintie: '⧝',
+ inodot: 'ı',
+ intcal: '⊺',
+ int: '∫',
+ Int: '∬',
+ integers: 'ℤ',
+ Integral: '∫',
+ intercal: '⊺',
+ Intersection: '⋂',
+ intlarhk: '⨗',
+ intprod: '⨼',
+ InvisibleComma: '⁣',
+ InvisibleTimes: '⁢',
+ IOcy: 'Ё',
+ iocy: 'ё',
+ Iogon: 'Į',
+ iogon: 'į',
+ Iopf: '𝕀',
+ iopf: '𝕚',
+ Iota: 'Ι',
+ iota: 'ι',
+ iprod: '⨼',
+ iquest: '¿',
+ iscr: '𝒾',
+ Iscr: 'ℐ',
+ isin: '∈',
+ isindot: '⋵',
+ isinE: '⋹',
+ isins: '⋴',
+ isinsv: '⋳',
+ isinv: '∈',
+ it: '⁢',
+ Itilde: 'Ĩ',
+ itilde: 'ĩ',
+ Iukcy: 'І',
+ iukcy: 'і',
+ Iuml: 'Ï',
+ iuml: 'ï',
+ Jcirc: 'Ĵ',
+ jcirc: 'ĵ',
+ Jcy: 'Й',
+ jcy: 'й',
+ Jfr: '𝔍',
+ jfr: '𝔧',
+ jmath: 'ȷ',
+ Jopf: '𝕁',
+ jopf: '𝕛',
+ Jscr: '𝒥',
+ jscr: '𝒿',
+ Jsercy: 'Ј',
+ jsercy: 'ј',
+ Jukcy: 'Є',
+ jukcy: 'є',
+ Kappa: 'Κ',
+ kappa: 'κ',
+ kappav: 'ϰ',
+ Kcedil: 'Ķ',
+ kcedil: 'ķ',
+ Kcy: 'К',
+ kcy: 'к',
+ Kfr: '𝔎',
+ kfr: '𝔨',
+ kgreen: 'ĸ',
+ KHcy: 'Х',
+ khcy: 'х',
+ KJcy: 'Ќ',
+ kjcy: 'ќ',
+ Kopf: '𝕂',
+ kopf: '𝕜',
+ Kscr: '𝒦',
+ kscr: '𝓀',
+ lAarr: '⇚',
+ Lacute: 'Ĺ',
+ lacute: 'ĺ',
+ laemptyv: '⦴',
+ lagran: 'ℒ',
+ Lambda: 'Λ',
+ lambda: 'λ',
+ lang: '⟨',
+ Lang: '⟪',
+ langd: '⦑',
+ langle: '⟨',
+ lap: '⪅',
+ Laplacetrf: 'ℒ',
+ laquo: '«',
+ larrb: '⇤',
+ larrbfs: '⤟',
+ larr: '←',
+ Larr: '↞',
+ lArr: '⇐',
+ larrfs: '⤝',
+ larrhk: '↩',
+ larrlp: '↫',
+ larrpl: '⤹',
+ larrsim: '⥳',
+ larrtl: '↢',
+ latail: '⤙',
+ lAtail: '⤛',
+ lat: '⪫',
+ late: '⪭',
+ lates: '⪭',
+ lbarr: '⤌',
+ lBarr: '⤎',
+ lbbrk: '❲',
+ lbrace: '{',
+ lbrack: '[',
+ lbrke: '⦋',
+ lbrksld: '⦏',
+ lbrkslu: '⦍',
+ Lcaron: 'Ľ',
+ lcaron: 'ľ',
+ Lcedil: 'Ļ',
+ lcedil: 'ļ',
+ lceil: '⌈',
+ lcub: '{',
+ Lcy: 'Л',
+ lcy: 'л',
+ ldca: '⤶',
+ ldquo: '“',
+ ldquor: '„',
+ ldrdhar: '⥧',
+ ldrushar: '⥋',
+ ldsh: '↲',
+ le: '≤',
+ lE: '≦',
+ LeftAngleBracket: '⟨',
+ LeftArrowBar: '⇤',
+ leftarrow: '←',
+ LeftArrow: '←',
+ Leftarrow: '⇐',
+ LeftArrowRightArrow: '⇆',
+ leftarrowtail: '↢',
+ LeftCeiling: '⌈',
+ LeftDoubleBracket: '⟦',
+ LeftDownTeeVector: '⥡',
+ LeftDownVectorBar: '⥙',
+ LeftDownVector: '⇃',
+ LeftFloor: '⌊',
+ leftharpoondown: '↽',
+ leftharpoonup: '↼',
+ leftleftarrows: '⇇',
+ leftrightarrow: '↔',
+ LeftRightArrow: '↔',
+ Leftrightarrow: '⇔',
+ leftrightarrows: '⇆',
+ leftrightharpoons: '⇋',
+ leftrightsquigarrow: '↭',
+ LeftRightVector: '⥎',
+ LeftTeeArrow: '↤',
+ LeftTee: '⊣',
+ LeftTeeVector: '⥚',
+ leftthreetimes: '⋋',
+ LeftTriangleBar: '⧏',
+ LeftTriangle: '⊲',
+ LeftTriangleEqual: '⊴',
+ LeftUpDownVector: '⥑',
+ LeftUpTeeVector: '⥠',
+ LeftUpVectorBar: '⥘',
+ LeftUpVector: '↿',
+ LeftVectorBar: '⥒',
+ LeftVector: '↼',
+ lEg: '⪋',
+ leg: '⋚',
+ leq: '≤',
+ leqq: '≦',
+ leqslant: '⩽',
+ lescc: '⪨',
+ les: '⩽',
+ lesdot: '⩿',
+ lesdoto: '⪁',
+ lesdotor: '⪃',
+ lesg: '⋚',
+ lesges: '⪓',
+ lessapprox: '⪅',
+ lessdot: '⋖',
+ lesseqgtr: '⋚',
+ lesseqqgtr: '⪋',
+ LessEqualGreater: '⋚',
+ LessFullEqual: '≦',
+ LessGreater: '≶',
+ lessgtr: '≶',
+ LessLess: '⪡',
+ lesssim: '≲',
+ LessSlantEqual: '⩽',
+ LessTilde: '≲',
+ lfisht: '⥼',
+ lfloor: '⌊',
+ Lfr: '𝔏',
+ lfr: '𝔩',
+ lg: '≶',
+ lgE: '⪑',
+ lHar: '⥢',
+ lhard: '↽',
+ lharu: '↼',
+ lharul: '⥪',
+ lhblk: '▄',
+ LJcy: 'Љ',
+ ljcy: 'љ',
+ llarr: '⇇',
+ ll: '≪',
+ Ll: '⋘',
+ llcorner: '⌞',
+ Lleftarrow: '⇚',
+ llhard: '⥫',
+ lltri: '◺',
+ Lmidot: 'Ŀ',
+ lmidot: 'ŀ',
+ lmoustache: '⎰',
+ lmoust: '⎰',
+ lnap: '⪉',
+ lnapprox: '⪉',
+ lne: '⪇',
+ lnE: '≨',
+ lneq: '⪇',
+ lneqq: '≨',
+ lnsim: '⋦',
+ loang: '⟬',
+ loarr: '⇽',
+ lobrk: '⟦',
+ longleftarrow: '⟵',
+ LongLeftArrow: '⟵',
+ Longleftarrow: '⟸',
+ longleftrightarrow: '⟷',
+ LongLeftRightArrow: '⟷',
+ Longleftrightarrow: '⟺',
+ longmapsto: '⟼',
+ longrightarrow: '⟶',
+ LongRightArrow: '⟶',
+ Longrightarrow: '⟹',
+ looparrowleft: '↫',
+ looparrowright: '↬',
+ lopar: '⦅',
+ Lopf: '𝕃',
+ lopf: '𝕝',
+ loplus: '⨭',
+ lotimes: '⨴',
+ lowast: '∗',
+ lowbar: '_',
+ LowerLeftArrow: '↙',
+ LowerRightArrow: '↘',
+ loz: '◊',
+ lozenge: '◊',
+ lozf: '⧫',
+ lpar: '(',
+ lparlt: '⦓',
+ lrarr: '⇆',
+ lrcorner: '⌟',
+ lrhar: '⇋',
+ lrhard: '⥭',
+ lrm: '‎',
+ lrtri: '⊿',
+ lsaquo: '‹',
+ lscr: '𝓁',
+ Lscr: 'ℒ',
+ lsh: '↰',
+ Lsh: '↰',
+ lsim: '≲',
+ lsime: '⪍',
+ lsimg: '⪏',
+ lsqb: '[',
+ lsquo: '‘',
+ lsquor: '‚',
+ Lstrok: 'Ł',
+ lstrok: 'ł',
+ ltcc: '⪦',
+ ltcir: '⩹',
+ lt: '<',
+ LT: '<',
+ Lt: '≪',
+ ltdot: '⋖',
+ lthree: '⋋',
+ ltimes: '⋉',
+ ltlarr: '⥶',
+ ltquest: '⩻',
+ ltri: '◃',
+ ltrie: '⊴',
+ ltrif: '◂',
+ ltrPar: '⦖',
+ lurdshar: '⥊',
+ luruhar: '⥦',
+ lvertneqq: '≨',
+ lvnE: '≨',
+ macr: '¯',
+ male: '♂',
+ malt: '✠',
+ maltese: '✠',
+ Map: '⤅',
+ map: '↦',
+ mapsto: '↦',
+ mapstodown: '↧',
+ mapstoleft: '↤',
+ mapstoup: '↥',
+ marker: '▮',
+ mcomma: '⨩',
+ Mcy: 'М',
+ mcy: 'м',
+ mdash: '—',
+ mDDot: '∺',
+ measuredangle: '∡',
+ MediumSpace: ' ',
+ Mellintrf: 'ℳ',
+ Mfr: '𝔐',
+ mfr: '𝔪',
+ mho: '℧',
+ micro: 'µ',
+ midast: '*',
+ midcir: '⫰',
+ mid: '∣',
+ middot: '·',
+ minusb: '⊟',
+ minus: '−',
+ minusd: '∸',
+ minusdu: '⨪',
+ MinusPlus: '∓',
+ mlcp: '⫛',
+ mldr: '…',
+ mnplus: '∓',
+ models: '⊧',
+ Mopf: '𝕄',
+ mopf: '𝕞',
+ mp: '∓',
+ mscr: '𝓂',
+ Mscr: 'ℳ',
+ mstpos: '∾',
+ Mu: 'Μ',
+ mu: 'μ',
+ multimap: '⊸',
+ mumap: '⊸',
+ nabla: '∇',
+ Nacute: 'Ń',
+ nacute: 'ń',
+ nang: '∠',
+ nap: '≉',
+ napE: '⩰',
+ napid: '≋',
+ napos: 'ʼn',
+ napprox: '≉',
+ natural: '♮',
+ naturals: 'ℕ',
+ natur: '♮',
+ nbsp: ' ',
+ nbump: '≎',
+ nbumpe: '≏',
+ ncap: '⩃',
+ Ncaron: 'Ň',
+ ncaron: 'ň',
+ Ncedil: 'Ņ',
+ ncedil: 'ņ',
+ ncong: '≇',
+ ncongdot: '⩭',
+ ncup: '⩂',
+ Ncy: 'Н',
+ ncy: 'н',
+ ndash: '–',
+ nearhk: '⤤',
+ nearr: '↗',
+ neArr: '⇗',
+ nearrow: '↗',
+ ne: '≠',
+ nedot: '≐',
+ NegativeMediumSpace: '​',
+ NegativeThickSpace: '​',
+ NegativeThinSpace: '​',
+ NegativeVeryThinSpace: '​',
+ nequiv: '≢',
+ nesear: '⤨',
+ nesim: '≂',
+ NestedGreaterGreater: '≫',
+ NestedLessLess: '≪',
+ NewLine: '\n',
+ nexist: '∄',
+ nexists: '∄',
+ Nfr: '𝔑',
+ nfr: '𝔫',
+ ngE: '≧',
+ nge: '≱',
+ ngeq: '≱',
+ ngeqq: '≧',
+ ngeqslant: '⩾',
+ nges: '⩾',
+ nGg: '⋙',
+ ngsim: '≵',
+ nGt: '≫',
+ ngt: '≯',
+ ngtr: '≯',
+ nGtv: '≫',
+ nharr: '↮',
+ nhArr: '⇎',
+ nhpar: '⫲',
+ ni: '∋',
+ nis: '⋼',
+ nisd: '⋺',
+ niv: '∋',
+ NJcy: 'Њ',
+ njcy: 'њ',
+ nlarr: '↚',
+ nlArr: '⇍',
+ nldr: '‥',
+ nlE: '≦',
+ nle: '≰',
+ nleftarrow: '↚',
+ nLeftarrow: '⇍',
+ nleftrightarrow: '↮',
+ nLeftrightarrow: '⇎',
+ nleq: '≰',
+ nleqq: '≦',
+ nleqslant: '⩽',
+ nles: '⩽',
+ nless: '≮',
+ nLl: '⋘',
+ nlsim: '≴',
+ nLt: '≪',
+ nlt: '≮',
+ nltri: '⋪',
+ nltrie: '⋬',
+ nLtv: '≪',
+ nmid: '∤',
+ NoBreak: '⁠',
+ NonBreakingSpace: ' ',
+ nopf: '𝕟',
+ Nopf: 'ℕ',
+ Not: '⫬',
+ not: '¬',
+ NotCongruent: '≢',
+ NotCupCap: '≭',
+ NotDoubleVerticalBar: '∦',
+ NotElement: '∉',
+ NotEqual: '≠',
+ NotEqualTilde: '≂',
+ NotExists: '∄',
+ NotGreater: '≯',
+ NotGreaterEqual: '≱',
+ NotGreaterFullEqual: '≧',
+ NotGreaterGreater: '≫',
+ NotGreaterLess: '≹',
+ NotGreaterSlantEqual: '⩾',
+ NotGreaterTilde: '≵',
+ NotHumpDownHump: '≎',
+ NotHumpEqual: '≏',
+ notin: '∉',
+ notindot: '⋵',
+ notinE: '⋹',
+ notinva: '∉',
+ notinvb: '⋷',
+ notinvc: '⋶',
+ NotLeftTriangleBar: '⧏',
+ NotLeftTriangle: '⋪',
+ NotLeftTriangleEqual: '⋬',
+ NotLess: '≮',
+ NotLessEqual: '≰',
+ NotLessGreater: '≸',
+ NotLessLess: '≪',
+ NotLessSlantEqual: '⩽',
+ NotLessTilde: '≴',
+ NotNestedGreaterGreater: '⪢',
+ NotNestedLessLess: '⪡',
+ notni: '∌',
+ notniva: '∌',
+ notnivb: '⋾',
+ notnivc: '⋽',
+ NotPrecedes: '⊀',
+ NotPrecedesEqual: '⪯',
+ NotPrecedesSlantEqual: '⋠',
+ NotReverseElement: '∌',
+ NotRightTriangleBar: '⧐',
+ NotRightTriangle: '⋫',
+ NotRightTriangleEqual: '⋭',
+ NotSquareSubset: '⊏',
+ NotSquareSubsetEqual: '⋢',
+ NotSquareSuperset: '⊐',
+ NotSquareSupersetEqual: '⋣',
+ NotSubset: '⊂',
+ NotSubsetEqual: '⊈',
+ NotSucceeds: '⊁',
+ NotSucceedsEqual: '⪰',
+ NotSucceedsSlantEqual: '⋡',
+ NotSucceedsTilde: '≿',
+ NotSuperset: '⊃',
+ NotSupersetEqual: '⊉',
+ NotTilde: '≁',
+ NotTildeEqual: '≄',
+ NotTildeFullEqual: '≇',
+ NotTildeTilde: '≉',
+ NotVerticalBar: '∤',
+ nparallel: '∦',
+ npar: '∦',
+ nparsl: '⫽',
+ npart: '∂',
+ npolint: '⨔',
+ npr: '⊀',
+ nprcue: '⋠',
+ nprec: '⊀',
+ npreceq: '⪯',
+ npre: '⪯',
+ nrarrc: '⤳',
+ nrarr: '↛',
+ nrArr: '⇏',
+ nrarrw: '↝',
+ nrightarrow: '↛',
+ nRightarrow: '⇏',
+ nrtri: '⋫',
+ nrtrie: '⋭',
+ nsc: '⊁',
+ nsccue: '⋡',
+ nsce: '⪰',
+ Nscr: '𝒩',
+ nscr: '𝓃',
+ nshortmid: '∤',
+ nshortparallel: '∦',
+ nsim: '≁',
+ nsime: '≄',
+ nsimeq: '≄',
+ nsmid: '∤',
+ nspar: '∦',
+ nsqsube: '⋢',
+ nsqsupe: '⋣',
+ nsub: '⊄',
+ nsubE: '⫅',
+ nsube: '⊈',
+ nsubset: '⊂',
+ nsubseteq: '⊈',
+ nsubseteqq: '⫅',
+ nsucc: '⊁',
+ nsucceq: '⪰',
+ nsup: '⊅',
+ nsupE: '⫆',
+ nsupe: '⊉',
+ nsupset: '⊃',
+ nsupseteq: '⊉',
+ nsupseteqq: '⫆',
+ ntgl: '≹',
+ Ntilde: 'Ñ',
+ ntilde: 'ñ',
+ ntlg: '≸',
+ ntriangleleft: '⋪',
+ ntrianglelefteq: '⋬',
+ ntriangleright: '⋫',
+ ntrianglerighteq: '⋭',
+ Nu: 'Ν',
+ nu: 'ν',
+ num: '#',
+ numero: '№',
+ numsp: ' ',
+ nvap: '≍',
+ nvdash: '⊬',
+ nvDash: '⊭',
+ nVdash: '⊮',
+ nVDash: '⊯',
+ nvge: '≥',
+ nvgt: '>',
+ nvHarr: '⤄',
+ nvinfin: '⧞',
+ nvlArr: '⤂',
+ nvle: '≤',
+ nvlt: '>',
+ nvltrie: '⊴',
+ nvrArr: '⤃',
+ nvrtrie: '⊵',
+ nvsim: '∼',
+ nwarhk: '⤣',
+ nwarr: '↖',
+ nwArr: '⇖',
+ nwarrow: '↖',
+ nwnear: '⤧',
+ Oacute: 'Ó',
+ oacute: 'ó',
+ oast: '⊛',
+ Ocirc: 'Ô',
+ ocirc: 'ô',
+ ocir: '⊚',
+ Ocy: 'О',
+ ocy: 'о',
+ odash: '⊝',
+ Odblac: 'Ő',
+ odblac: 'ő',
+ odiv: '⨸',
+ odot: '⊙',
+ odsold: '⦼',
+ OElig: 'Œ',
+ oelig: 'œ',
+ ofcir: '⦿',
+ Ofr: '𝔒',
+ ofr: '𝔬',
+ ogon: '˛',
+ Ograve: 'Ò',
+ ograve: 'ò',
+ ogt: '⧁',
+ ohbar: '⦵',
+ ohm: 'Ω',
+ oint: '∮',
+ olarr: '↺',
+ olcir: '⦾',
+ olcross: '⦻',
+ oline: '‾',
+ olt: '⧀',
+ Omacr: 'Ō',
+ omacr: 'ō',
+ Omega: 'Ω',
+ omega: 'ω',
+ Omicron: 'Ο',
+ omicron: 'ο',
+ omid: '⦶',
+ ominus: '⊖',
+ Oopf: '𝕆',
+ oopf: '𝕠',
+ opar: '⦷',
+ OpenCurlyDoubleQuote: '“',
+ OpenCurlyQuote: '‘',
+ operp: '⦹',
+ oplus: '⊕',
+ orarr: '↻',
+ Or: '⩔',
+ or: '∨',
+ ord: '⩝',
+ order: 'ℴ',
+ orderof: 'ℴ',
+ ordf: 'ª',
+ ordm: 'º',
+ origof: '⊶',
+ oror: '⩖',
+ orslope: '⩗',
+ orv: '⩛',
+ oS: 'Ⓢ',
+ Oscr: '𝒪',
+ oscr: 'ℴ',
+ Oslash: 'Ø',
+ oslash: 'ø',
+ osol: '⊘',
+ Otilde: 'Õ',
+ otilde: 'õ',
+ otimesas: '⨶',
+ Otimes: '⨷',
+ otimes: '⊗',
+ Ouml: 'Ö',
+ ouml: 'ö',
+ ovbar: '⌽',
+ OverBar: '‾',
+ OverBrace: '⏞',
+ OverBracket: '⎴',
+ OverParenthesis: '⏜',
+ para: '¶',
+ parallel: '∥',
+ par: '∥',
+ parsim: '⫳',
+ parsl: '⫽',
+ part: '∂',
+ PartialD: '∂',
+ Pcy: 'П',
+ pcy: 'п',
+ percnt: '%',
+ period: '.',
+ permil: '‰',
+ perp: '⊥',
+ pertenk: '‱',
+ Pfr: '𝔓',
+ pfr: '𝔭',
+ Phi: 'Φ',
+ phi: 'φ',
+ phiv: 'ϕ',
+ phmmat: 'ℳ',
+ phone: '☎',
+ Pi: 'Π',
+ pi: 'π',
+ pitchfork: '⋔',
+ piv: 'ϖ',
+ planck: 'ℏ',
+ planckh: 'ℎ',
+ plankv: 'ℏ',
+ plusacir: '⨣',
+ plusb: '⊞',
+ pluscir: '⨢',
+ plus: '+',
+ plusdo: '∔',
+ plusdu: '⨥',
+ pluse: '⩲',
+ PlusMinus: '±',
+ plusmn: '±',
+ plussim: '⨦',
+ plustwo: '⨧',
+ pm: '±',
+ Poincareplane: 'ℌ',
+ pointint: '⨕',
+ popf: '𝕡',
+ Popf: 'ℙ',
+ pound: '£',
+ prap: '⪷',
+ Pr: '⪻',
+ pr: '≺',
+ prcue: '≼',
+ precapprox: '⪷',
+ prec: '≺',
+ preccurlyeq: '≼',
+ Precedes: '≺',
+ PrecedesEqual: '⪯',
+ PrecedesSlantEqual: '≼',
+ PrecedesTilde: '≾',
+ preceq: '⪯',
+ precnapprox: '⪹',
+ precneqq: '⪵',
+ precnsim: '⋨',
+ pre: '⪯',
+ prE: '⪳',
+ precsim: '≾',
+ prime: '′',
+ Prime: '″',
+ primes: 'ℙ',
+ prnap: '⪹',
+ prnE: '⪵',
+ prnsim: '⋨',
+ prod: '∏',
+ Product: '∏',
+ profalar: '⌮',
+ profline: '⌒',
+ profsurf: '⌓',
+ prop: '∝',
+ Proportional: '∝',
+ Proportion: '∷',
+ propto: '∝',
+ prsim: '≾',
+ prurel: '⊰',
+ Pscr: '𝒫',
+ pscr: '𝓅',
+ Psi: 'Ψ',
+ psi: 'ψ',
+ puncsp: ' ',
+ Qfr: '𝔔',
+ qfr: '𝔮',
+ qint: '⨌',
+ qopf: '𝕢',
+ Qopf: 'ℚ',
+ qprime: '⁗',
+ Qscr: '𝒬',
+ qscr: '𝓆',
+ quaternions: 'ℍ',
+ quatint: '⨖',
+ quest: '?',
+ questeq: '≟',
+ quot: '"',
+ QUOT: '"',
+ rAarr: '⇛',
+ race: '∽',
+ Racute: 'Ŕ',
+ racute: 'ŕ',
+ radic: '√',
+ raemptyv: '⦳',
+ rang: '⟩',
+ Rang: '⟫',
+ rangd: '⦒',
+ range: '⦥',
+ rangle: '⟩',
+ raquo: '»',
+ rarrap: '⥵',
+ rarrb: '⇥',
+ rarrbfs: '⤠',
+ rarrc: '⤳',
+ rarr: '→',
+ Rarr: '↠',
+ rArr: '⇒',
+ rarrfs: '⤞',
+ rarrhk: '↪',
+ rarrlp: '↬',
+ rarrpl: '⥅',
+ rarrsim: '⥴',
+ Rarrtl: '⤖',
+ rarrtl: '↣',
+ rarrw: '↝',
+ ratail: '⤚',
+ rAtail: '⤜',
+ ratio: '∶',
+ rationals: 'ℚ',
+ rbarr: '⤍',
+ rBarr: '⤏',
+ RBarr: '⤐',
+ rbbrk: '❳',
+ rbrace: '}',
+ rbrack: ']',
+ rbrke: '⦌',
+ rbrksld: '⦎',
+ rbrkslu: '⦐',
+ Rcaron: 'Ř',
+ rcaron: 'ř',
+ Rcedil: 'Ŗ',
+ rcedil: 'ŗ',
+ rceil: '⌉',
+ rcub: '}',
+ Rcy: 'Р',
+ rcy: 'р',
+ rdca: '⤷',
+ rdldhar: '⥩',
+ rdquo: '”',
+ rdquor: '”',
+ rdsh: '↳',
+ real: 'ℜ',
+ realine: 'ℛ',
+ realpart: 'ℜ',
+ reals: 'ℝ',
+ Re: 'ℜ',
+ rect: '▭',
+ reg: '®',
+ REG: '®',
+ ReverseElement: '∋',
+ ReverseEquilibrium: '⇋',
+ ReverseUpEquilibrium: '⥯',
+ rfisht: '⥽',
+ rfloor: '⌋',
+ rfr: '𝔯',
+ Rfr: 'ℜ',
+ rHar: '⥤',
+ rhard: '⇁',
+ rharu: '⇀',
+ rharul: '⥬',
+ Rho: 'Ρ',
+ rho: 'ρ',
+ rhov: 'ϱ',
+ RightAngleBracket: '⟩',
+ RightArrowBar: '⇥',
+ rightarrow: '→',
+ RightArrow: '→',
+ Rightarrow: '⇒',
+ RightArrowLeftArrow: '⇄',
+ rightarrowtail: '↣',
+ RightCeiling: '⌉',
+ RightDoubleBracket: '⟧',
+ RightDownTeeVector: '⥝',
+ RightDownVectorBar: '⥕',
+ RightDownVector: '⇂',
+ RightFloor: '⌋',
+ rightharpoondown: '⇁',
+ rightharpoonup: '⇀',
+ rightleftarrows: '⇄',
+ rightleftharpoons: '⇌',
+ rightrightarrows: '⇉',
+ rightsquigarrow: '↝',
+ RightTeeArrow: '↦',
+ RightTee: '⊢',
+ RightTeeVector: '⥛',
+ rightthreetimes: '⋌',
+ RightTriangleBar: '⧐',
+ RightTriangle: '⊳',
+ RightTriangleEqual: '⊵',
+ RightUpDownVector: '⥏',
+ RightUpTeeVector: '⥜',
+ RightUpVectorBar: '⥔',
+ RightUpVector: '↾',
+ RightVectorBar: '⥓',
+ RightVector: '⇀',
+ ring: '˚',
+ risingdotseq: '≓',
+ rlarr: '⇄',
+ rlhar: '⇌',
+ rlm: '‏',
+ rmoustache: '⎱',
+ rmoust: '⎱',
+ rnmid: '⫮',
+ roang: '⟭',
+ roarr: '⇾',
+ robrk: '⟧',
+ ropar: '⦆',
+ ropf: '𝕣',
+ Ropf: 'ℝ',
+ roplus: '⨮',
+ rotimes: '⨵',
+ RoundImplies: '⥰',
+ rpar: ')',
+ rpargt: '⦔',
+ rppolint: '⨒',
+ rrarr: '⇉',
+ Rrightarrow: '⇛',
+ rsaquo: '›',
+ rscr: '𝓇',
+ Rscr: 'ℛ',
+ rsh: '↱',
+ Rsh: '↱',
+ rsqb: ']',
+ rsquo: '’',
+ rsquor: '’',
+ rthree: '⋌',
+ rtimes: '⋊',
+ rtri: '▹',
+ rtrie: '⊵',
+ rtrif: '▸',
+ rtriltri: '⧎',
+ RuleDelayed: '⧴',
+ ruluhar: '⥨',
+ rx: '℞',
+ Sacute: 'Ś',
+ sacute: 'ś',
+ sbquo: '‚',
+ scap: '⪸',
+ Scaron: 'Š',
+ scaron: 'š',
+ Sc: '⪼',
+ sc: '≻',
+ sccue: '≽',
+ sce: '⪰',
+ scE: '⪴',
+ Scedil: 'Ş',
+ scedil: 'ş',
+ Scirc: 'Ŝ',
+ scirc: 'ŝ',
+ scnap: '⪺',
+ scnE: '⪶',
+ scnsim: '⋩',
+ scpolint: '⨓',
+ scsim: '≿',
+ Scy: 'С',
+ scy: 'с',
+ sdotb: '⊡',
+ sdot: '⋅',
+ sdote: '⩦',
+ searhk: '⤥',
+ searr: '↘',
+ seArr: '⇘',
+ searrow: '↘',
+ sect: '§',
+ semi: ';',
+ seswar: '⤩',
+ setminus: '∖',
+ setmn: '∖',
+ sext: '✶',
+ Sfr: '𝔖',
+ sfr: '𝔰',
+ sfrown: '⌢',
+ sharp: '♯',
+ SHCHcy: 'Щ',
+ shchcy: 'щ',
+ SHcy: 'Ш',
+ shcy: 'ш',
+ ShortDownArrow: '↓',
+ ShortLeftArrow: '←',
+ shortmid: '∣',
+ shortparallel: '∥',
+ ShortRightArrow: '→',
+ ShortUpArrow: '↑',
+ shy: '­',
+ Sigma: 'Σ',
+ sigma: 'σ',
+ sigmaf: 'ς',
+ sigmav: 'ς',
+ sim: '∼',
+ simdot: '⩪',
+ sime: '≃',
+ simeq: '≃',
+ simg: '⪞',
+ simgE: '⪠',
+ siml: '⪝',
+ simlE: '⪟',
+ simne: '≆',
+ simplus: '⨤',
+ simrarr: '⥲',
+ slarr: '←',
+ SmallCircle: '∘',
+ smallsetminus: '∖',
+ smashp: '⨳',
+ smeparsl: '⧤',
+ smid: '∣',
+ smile: '⌣',
+ smt: '⪪',
+ smte: '⪬',
+ smtes: '⪬',
+ SOFTcy: 'Ь',
+ softcy: 'ь',
+ solbar: '⌿',
+ solb: '⧄',
+ sol: '/',
+ Sopf: '𝕊',
+ sopf: '𝕤',
+ spades: '♠',
+ spadesuit: '♠',
+ spar: '∥',
+ sqcap: '⊓',
+ sqcaps: '⊓',
+ sqcup: '⊔',
+ sqcups: '⊔',
+ Sqrt: '√',
+ sqsub: '⊏',
+ sqsube: '⊑',
+ sqsubset: '⊏',
+ sqsubseteq: '⊑',
+ sqsup: '⊐',
+ sqsupe: '⊒',
+ sqsupset: '⊐',
+ sqsupseteq: '⊒',
+ square: '□',
+ Square: '□',
+ SquareIntersection: '⊓',
+ SquareSubset: '⊏',
+ SquareSubsetEqual: '⊑',
+ SquareSuperset: '⊐',
+ SquareSupersetEqual: '⊒',
+ SquareUnion: '⊔',
+ squarf: '▪',
+ squ: '□',
+ squf: '▪',
+ srarr: '→',
+ Sscr: '𝒮',
+ sscr: '𝓈',
+ ssetmn: '∖',
+ ssmile: '⌣',
+ sstarf: '⋆',
+ Star: '⋆',
+ star: '☆',
+ starf: '★',
+ straightepsilon: 'ϵ',
+ straightphi: 'ϕ',
+ strns: '¯',
+ sub: '⊂',
+ Sub: '⋐',
+ subdot: '⪽',
+ subE: '⫅',
+ sube: '⊆',
+ subedot: '⫃',
+ submult: '⫁',
+ subnE: '⫋',
+ subne: '⊊',
+ subplus: '⪿',
+ subrarr: '⥹',
+ subset: '⊂',
+ Subset: '⋐',
+ subseteq: '⊆',
+ subseteqq: '⫅',
+ SubsetEqual: '⊆',
+ subsetneq: '⊊',
+ subsetneqq: '⫋',
+ subsim: '⫇',
+ subsub: '⫕',
+ subsup: '⫓',
+ succapprox: '⪸',
+ succ: '≻',
+ succcurlyeq: '≽',
+ Succeeds: '≻',
+ SucceedsEqual: '⪰',
+ SucceedsSlantEqual: '≽',
+ SucceedsTilde: '≿',
+ succeq: '⪰',
+ succnapprox: '⪺',
+ succneqq: '⪶',
+ succnsim: '⋩',
+ succsim: '≿',
+ SuchThat: '∋',
+ sum: '∑',
+ Sum: '∑',
+ sung: '♪',
+ sup1: '¹',
+ sup2: '²',
+ sup3: '³',
+ sup: '⊃',
+ Sup: '⋑',
+ supdot: '⪾',
+ supdsub: '⫘',
+ supE: '⫆',
+ supe: '⊇',
+ supedot: '⫄',
+ Superset: '⊃',
+ SupersetEqual: '⊇',
+ suphsol: '⟉',
+ suphsub: '⫗',
+ suplarr: '⥻',
+ supmult: '⫂',
+ supnE: '⫌',
+ supne: '⊋',
+ supplus: '⫀',
+ supset: '⊃',
+ Supset: '⋑',
+ supseteq: '⊇',
+ supseteqq: '⫆',
+ supsetneq: '⊋',
+ supsetneqq: '⫌',
+ supsim: '⫈',
+ supsub: '⫔',
+ supsup: '⫖',
+ swarhk: '⤦',
+ swarr: '↙',
+ swArr: '⇙',
+ swarrow: '↙',
+ swnwar: '⤪',
+ szlig: 'ß',
+ Tab: ' ',
+ target: '⌖',
+ Tau: 'Τ',
+ tau: 'τ',
+ tbrk: '⎴',
+ Tcaron: 'Ť',
+ tcaron: 'ť',
+ Tcedil: 'Ţ',
+ tcedil: 'ţ',
+ Tcy: 'Т',
+ tcy: 'т',
+ tdot: '⃛',
+ telrec: '⌕',
+ Tfr: '𝔗',
+ tfr: '𝔱',
+ there4: '∴',
+ therefore: '∴',
+ Therefore: '∴',
+ Theta: 'Θ',
+ theta: 'θ',
+ thetasym: 'ϑ',
+ thetav: 'ϑ',
+ thickapprox: '≈',
+ thicksim: '∼',
+ ThickSpace: ' ',
+ ThinSpace: ' ',
+ thinsp: ' ',
+ thkap: '≈',
+ thksim: '∼',
+ THORN: 'Þ',
+ thorn: 'þ',
+ tilde: '˜',
+ Tilde: '∼',
+ TildeEqual: '≃',
+ TildeFullEqual: '≅',
+ TildeTilde: '≈',
+ timesbar: '⨱',
+ timesb: '⊠',
+ times: '×',
+ timesd: '⨰',
+ tint: '∭',
+ toea: '⤨',
+ topbot: '⌶',
+ topcir: '⫱',
+ top: '⊤',
+ Topf: '𝕋',
+ topf: '𝕥',
+ topfork: '⫚',
+ tosa: '⤩',
+ tprime: '‴',
+ trade: '™',
+ TRADE: '™',
+ triangle: '▵',
+ triangledown: '▿',
+ triangleleft: '◃',
+ trianglelefteq: '⊴',
+ triangleq: '≜',
+ triangleright: '▹',
+ trianglerighteq: '⊵',
+ tridot: '◬',
+ trie: '≜',
+ triminus: '⨺',
+ TripleDot: '⃛',
+ triplus: '⨹',
+ trisb: '⧍',
+ tritime: '⨻',
+ trpezium: '⏢',
+ Tscr: '𝒯',
+ tscr: '𝓉',
+ TScy: 'Ц',
+ tscy: 'ц',
+ TSHcy: 'Ћ',
+ tshcy: 'ћ',
+ Tstrok: 'Ŧ',
+ tstrok: 'ŧ',
+ twixt: '≬',
+ twoheadleftarrow: '↞',
+ twoheadrightarrow: '↠',
+ Uacute: 'Ú',
+ uacute: 'ú',
+ uarr: '↑',
+ Uarr: '↟',
+ uArr: '⇑',
+ Uarrocir: '⥉',
+ Ubrcy: 'Ў',
+ ubrcy: 'ў',
+ Ubreve: 'Ŭ',
+ ubreve: 'ŭ',
+ Ucirc: 'Û',
+ ucirc: 'û',
+ Ucy: 'У',
+ ucy: 'у',
+ udarr: '⇅',
+ Udblac: 'Ű',
+ udblac: 'ű',
+ udhar: '⥮',
+ ufisht: '⥾',
+ Ufr: '𝔘',
+ ufr: '𝔲',
+ Ugrave: 'Ù',
+ ugrave: 'ù',
+ uHar: '⥣',
+ uharl: '↿',
+ uharr: '↾',
+ uhblk: '▀',
+ ulcorn: '⌜',
+ ulcorner: '⌜',
+ ulcrop: '⌏',
+ ultri: '◸',
+ Umacr: 'Ū',
+ umacr: 'ū',
+ uml: '¨',
+ UnderBar: '_',
+ UnderBrace: '⏟',
+ UnderBracket: '⎵',
+ UnderParenthesis: '⏝',
+ Union: '⋃',
+ UnionPlus: '⊎',
+ Uogon: 'Ų',
+ uogon: 'ų',
+ Uopf: '𝕌',
+ uopf: '𝕦',
+ UpArrowBar: '⤒',
+ uparrow: '↑',
+ UpArrow: '↑',
+ Uparrow: '⇑',
+ UpArrowDownArrow: '⇅',
+ updownarrow: '↕',
+ UpDownArrow: '↕',
+ Updownarrow: '⇕',
+ UpEquilibrium: '⥮',
+ upharpoonleft: '↿',
+ upharpoonright: '↾',
+ uplus: '⊎',
+ UpperLeftArrow: '↖',
+ UpperRightArrow: '↗',
+ upsi: 'υ',
+ Upsi: 'ϒ',
+ upsih: 'ϒ',
+ Upsilon: 'Υ',
+ upsilon: 'υ',
+ UpTeeArrow: '↥',
+ UpTee: '⊥',
+ upuparrows: '⇈',
+ urcorn: '⌝',
+ urcorner: '⌝',
+ urcrop: '⌎',
+ Uring: 'Ů',
+ uring: 'ů',
+ urtri: '◹',
+ Uscr: '𝒰',
+ uscr: '𝓊',
+ utdot: '⋰',
+ Utilde: 'Ũ',
+ utilde: 'ũ',
+ utri: '▵',
+ utrif: '▴',
+ uuarr: '⇈',
+ Uuml: 'Ü',
+ uuml: 'ü',
+ uwangle: '⦧',
+ vangrt: '⦜',
+ varepsilon: 'ϵ',
+ varkappa: 'ϰ',
+ varnothing: '∅',
+ varphi: 'ϕ',
+ varpi: 'ϖ',
+ varpropto: '∝',
+ varr: '↕',
+ vArr: '⇕',
+ varrho: 'ϱ',
+ varsigma: 'ς',
+ varsubsetneq: '⊊',
+ varsubsetneqq: '⫋',
+ varsupsetneq: '⊋',
+ varsupsetneqq: '⫌',
+ vartheta: 'ϑ',
+ vartriangleleft: '⊲',
+ vartriangleright: '⊳',
+ vBar: '⫨',
+ Vbar: '⫫',
+ vBarv: '⫩',
+ Vcy: 'В',
+ vcy: 'в',
+ vdash: '⊢',
+ vDash: '⊨',
+ Vdash: '⊩',
+ VDash: '⊫',
+ Vdashl: '⫦',
+ veebar: '⊻',
+ vee: '∨',
+ Vee: '⋁',
+ veeeq: '≚',
+ vellip: '⋮',
+ verbar: '|',
+ Verbar: '‖',
+ vert: '|',
+ Vert: '‖',
+ VerticalBar: '∣',
+ VerticalLine: '|',
+ VerticalSeparator: '❘',
+ VerticalTilde: '≀',
+ VeryThinSpace: ' ',
+ Vfr: '𝔙',
+ vfr: '𝔳',
+ vltri: '⊲',
+ vnsub: '⊂',
+ vnsup: '⊃',
+ Vopf: '𝕍',
+ vopf: '𝕧',
+ vprop: '∝',
+ vrtri: '⊳',
+ Vscr: '𝒱',
+ vscr: '𝓋',
+ vsubnE: '⫋',
+ vsubne: '⊊',
+ vsupnE: '⫌',
+ vsupne: '⊋',
+ Vvdash: '⊪',
+ vzigzag: '⦚',
+ Wcirc: 'Ŵ',
+ wcirc: 'ŵ',
+ wedbar: '⩟',
+ wedge: '∧',
+ Wedge: '⋀',
+ wedgeq: '≙',
+ weierp: '℘',
+ Wfr: '𝔚',
+ wfr: '𝔴',
+ Wopf: '𝕎',
+ wopf: '𝕨',
+ wp: '℘',
+ wr: '≀',
+ wreath: '≀',
+ Wscr: '𝒲',
+ wscr: '𝓌',
+ xcap: '⋂',
+ xcirc: '◯',
+ xcup: '⋃',
+ xdtri: '▽',
+ Xfr: '𝔛',
+ xfr: '𝔵',
+ xharr: '⟷',
+ xhArr: '⟺',
+ Xi: 'Ξ',
+ xi: 'ξ',
+ xlarr: '⟵',
+ xlArr: '⟸',
+ xmap: '⟼',
+ xnis: '⋻',
+ xodot: '⨀',
+ Xopf: '𝕏',
+ xopf: '𝕩',
+ xoplus: '⨁',
+ xotime: '⨂',
+ xrarr: '⟶',
+ xrArr: '⟹',
+ Xscr: '𝒳',
+ xscr: '𝓍',
+ xsqcup: '⨆',
+ xuplus: '⨄',
+ xutri: '△',
+ xvee: '⋁',
+ xwedge: '⋀',
+ Yacute: 'Ý',
+ yacute: 'ý',
+ YAcy: 'Я',
+ yacy: 'я',
+ Ycirc: 'Ŷ',
+ ycirc: 'ŷ',
+ Ycy: 'Ы',
+ ycy: 'ы',
+ yen: '¥',
+ Yfr: '𝔜',
+ yfr: '𝔶',
+ YIcy: 'Ї',
+ yicy: 'ї',
+ Yopf: '𝕐',
+ yopf: '𝕪',
+ Yscr: '𝒴',
+ yscr: '𝓎',
+ YUcy: 'Ю',
+ yucy: 'ю',
+ yuml: 'ÿ',
+ Yuml: 'Ÿ',
+ Zacute: 'Ź',
+ zacute: 'ź',
+ Zcaron: 'Ž',
+ zcaron: 'ž',
+ Zcy: 'З',
+ zcy: 'з',
+ Zdot: 'Ż',
+ zdot: 'ż',
+ zeetrf: 'ℨ',
+ ZeroWidthSpace: '​',
+ Zeta: 'Ζ',
+ zeta: 'ζ',
+ zfr: '𝔷',
+ Zfr: 'ℨ',
+ ZHcy: 'Ж',
+ zhcy: 'ж',
+ zigrarr: '⇝',
+ zopf: '𝕫',
+ Zopf: 'ℤ',
+ Zscr: '𝒵',
+ zscr: '𝓏',
+ zwj: '‍',
+ zwnj: '‌' };
+
+ // Constants for character codes:
+
+ var C_NEWLINE = 10;
+ var C_SPACE = 32;
+ var C_ASTERISK = 42;
+ var C_UNDERSCORE = 95;
+ var C_BACKTICK = 96;
+ var C_OPEN_BRACKET = 91;
+ var C_CLOSE_BRACKET = 93;
+ var C_LESSTHAN = 60;
+ var C_GREATERTHAN = 62;
+ var C_BANG = 33;
+ var C_BACKSLASH = 92;
+ var C_AMPERSAND = 38;
+ var C_OPEN_PAREN = 40;
+ var C_COLON = 58;
+
+ // Some regexps used in inline parser:
+
+ var ESCAPABLE = '[!"#$%&\'()*+,./:;<=>?@[\\\\\\]^_`{|}~-]';
+ var ESCAPED_CHAR = '\\\\' + ESCAPABLE;
+ var IN_DOUBLE_QUOTES = '"(' + ESCAPED_CHAR + '|[^"\\x00])*"';
+ var IN_SINGLE_QUOTES = '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'';
+ var IN_PARENS = '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\)';
+ var REG_CHAR = '[^\\\\()\\x00-\\x20]';
+ var IN_PARENS_NOSP = '\\((' + REG_CHAR + '|' + ESCAPED_CHAR + ')*\\)';
+ var TAGNAME = '[A-Za-z][A-Za-z0-9]*';
+ var BLOCKTAGNAME = '(?:article|header|aside|hgroup|iframe|blockquote|hr|body|li|map|button|object|canvas|ol|caption|output|col|p|colgroup|pre|dd|progress|div|section|dl|table|td|dt|tbody|embed|textarea|fieldset|tfoot|figcaption|th|figure|thead|footer|footer|tr|form|ul|h1|h2|h3|h4|h5|h6|video|script|style)';
+ var ATTRIBUTENAME = '[a-zA-Z_:][a-zA-Z0-9:._-]*';
+ var UNQUOTEDVALUE = "[^\"'=<>`\\x00-\\x20]+";
+ var SINGLEQUOTEDVALUE = "'[^']*'";
+ var DOUBLEQUOTEDVALUE = '"[^"]*"';
+ var ATTRIBUTEVALUE = "(?:" + UNQUOTEDVALUE + "|" + SINGLEQUOTEDVALUE + "|" + DOUBLEQUOTEDVALUE + ")";
+ var ATTRIBUTEVALUESPEC = "(?:" + "\\s*=" + "\\s*" + ATTRIBUTEVALUE + ")";
+ var ATTRIBUTE = "(?:" + "\\s+" + ATTRIBUTENAME + ATTRIBUTEVALUESPEC + "?)";
+ var OPENTAG = "<" + TAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
+ var CLOSETAG = "</" + TAGNAME + "\\s*[>]";
+ var OPENBLOCKTAG = "<" + BLOCKTAGNAME + ATTRIBUTE + "*" + "\\s*/?>";
+ var CLOSEBLOCKTAG = "</" + BLOCKTAGNAME + "\\s*[>]";
+ var HTMLCOMMENT = "<!--([^-]+|[-][^-]+)*-->";
+ var PROCESSINGINSTRUCTION = "[<][?].*?[?][>]";
+ var DECLARATION = "<![A-Z]+" + "\\s+[^>]*>";
+ var CDATA = "<!\\[CDATA\\[([^\\]]+|\\][^\\]]|\\]\\][^>])*\\]\\]>";
+ var HTMLTAG = "(?:" + OPENTAG + "|" + CLOSETAG + "|" + HTMLCOMMENT + "|" +
+ PROCESSINGINSTRUCTION + "|" + DECLARATION + "|" + CDATA + ")";
+ var HTMLBLOCKOPEN = "<(?:" + BLOCKTAGNAME + "[\\s/>]" + "|" +
+ "/" + BLOCKTAGNAME + "[\\s>]" + "|" + "[?!])";
+ var ENTITY = "&(?:#x[a-f0-9]{1,8}|#[0-9]{1,8}|[a-z][a-z0-9]{1,31});";
+
+ var reHtmlTag = new RegExp('^' + HTMLTAG, 'i');
+
+ var reHtmlBlockOpen = new RegExp('^' + HTMLBLOCKOPEN, 'i');
+
+ var reLinkTitle = new RegExp(
+ '^(?:"(' + ESCAPED_CHAR + '|[^"\\x00])*"' +
+ '|' +
+ '\'(' + ESCAPED_CHAR + '|[^\'\\x00])*\'' +
+ '|' +
+ '\\((' + ESCAPED_CHAR + '|[^)\\x00])*\\))');
+
+ var reLinkDestinationBraces = new RegExp(
+ '^(?:[<](?:[^<>\\n\\\\\\x00]' + '|' + ESCAPED_CHAR + '|' + '\\\\)*[>])');
+
+ var reLinkDestination = new RegExp(
+ '^(?:' + REG_CHAR + '+|' + ESCAPED_CHAR + '|' + IN_PARENS_NOSP + ')*');
+
+ var reEscapable = new RegExp(ESCAPABLE);
+
+ var reAllEscapedChar = new RegExp('\\\\(' + ESCAPABLE + ')', 'g');
+
+ var reEscapedChar = new RegExp('^\\\\(' + ESCAPABLE + ')');
+
+ var reAllTab = /\t/g;
+
+ var reHrule = /^(?:(?:\* *){3,}|(?:_ *){3,}|(?:- *){3,}) *$/;
+
+ var reEntityHere = new RegExp('^' + ENTITY, 'i');
+
+ var reEntity = new RegExp(ENTITY, 'gi');
+
+ // Matches a character with a special meaning in markdown,
+ // or a string of non-special characters. Note: we match
+ // clumps of _ or * or `, because they need to be handled in groups.
+ var reMain = /^(?:[_*`\n]+|[\[\]\\!<&*_]|(?: *[^\n `\[\]\\!<&*_]+)+|[ \n]+)/m;
+
+ // UTILITY FUNCTIONS
+ // polyfill for fromCodePoint:
+ // https://github.com/mathiasbynens/String.fromCodePoint
+ /*! http://mths.be/fromcodepoint v0.2.1 by @mathias */
+ if (!String.fromCodePoint) {
+ (function() {
+ var defineProperty = (function() {
+ // IE 8 only supports `Object.defineProperty` on DOM elements
+ try {
+ var object = {};
+ var $defineProperty = Object.defineProperty;
+ var result = $defineProperty(object, object, object) && $defineProperty;
+ } catch(error) {}
+ return result;
+ }());
+ var stringFromCharCode = String.fromCharCode;
+ var floor = Math.floor;
+ var fromCodePoint = function(_) {
+ var MAX_SIZE = 0x4000;
+ var codeUnits = [];
+ var highSurrogate;
+ var lowSurrogate;
+ var index = -1;
+ var length = arguments.length;
+ if (!length) {
+ return '';
+ }
+ var result = '';
+ while (++index < length) {
+ var codePoint = Number(arguments[index]);
+ if (
+ !isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`
+ codePoint < 0 || // not a valid Unicode code point
+ codePoint > 0x10FFFF || // not a valid Unicode code point
+ floor(codePoint) != codePoint // not an integer
+ ) {
+ return String.fromCharCode(0xFFFD);
+ }
+ if (codePoint <= 0xFFFF) { // BMP code point
+ codeUnits.push(codePoint);
+ } else { // Astral code point; split in surrogate halves
+ // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+ codePoint -= 0x10000;
+ highSurrogate = (codePoint >> 10) + 0xD800;
+ lowSurrogate = (codePoint % 0x400) + 0xDC00;
+ codeUnits.push(highSurrogate, lowSurrogate);
+ }
+ if (index + 1 == length || codeUnits.length > MAX_SIZE) {
+ result += stringFromCharCode.apply(null, codeUnits);
+ codeUnits.length = 0;
+ }
+ }
+ return result;
+ };
+ if (defineProperty) {
+ defineProperty(String, 'fromCodePoint', {
+ 'value': fromCodePoint,
+ 'configurable': true,
+ 'writable': true
+ });
+ } else {
+ String.fromCodePoint = fromCodePoint;
+ }
+ }());
}
- }
- // If we got here, we didn't match a closing backtick sequence.
- inlines.push({ t: 'Str', c: ticks });
- this.pos = afterOpenTicks;
- return (this.pos - startpos);
-};
-
-// Parse a backslash-escaped special character, adding either the escaped
-// character, a hard line break (if the backslash is followed by a newline),
-// or a literal backslash to the 'inlines' list.
-var parseEscaped = function(inlines) {
- var subj = this.subject,
- pos = this.pos;
- if (subj.charAt(pos) === '\\') {
- if (subj.charAt(pos + 1) === '\n') {
- inlines.push({ t: 'Hardbreak' });
- this.pos = this.pos + 2;
- return 2;
- } else if (reEscapable.test(subj.charAt(pos + 1))) {
- inlines.push({ t: 'Str', c: subj.charAt(pos + 1) });
- this.pos = this.pos + 2;
- return 2;
- } else {
- this.pos++;
- inlines.push({t: 'Str', c: '\\'});
- return 1;
- }
- } else {
- return 0;
- }
-};
-
-// Attempt to parse an autolink (URL or email in pointy brackets).
-var parseAutolink = function(inlines) {
- var m;
- var dest;
- if ((m = this.match(/^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/))) { // email autolink
- dest = m.slice(1,-1);
- inlines.push({ t: 'Link', label: [{ t: 'Str', c: dest }],
- destination: 'mailto:' + dest });
- return m.length;
- } else if ((m = this.match(/^<(?:coap|doi|javascript|aaa|aaas|about|acap|cap|cid|crid|data|dav|dict|dns|file|ftp|geo|go|gopher|h323|http|https|iax|icap|im|imap|info|ipp|iris|iris.beep|iris.xpc|iris.xpcs|iris.lwz|ldap|mailto|mid|msrp|msrps|mtqp|mupdate|news|nfs|ni|nih|nntp|opaquelocktoken|pop|pres|rtsp|service|session|shttp|sieve|sip|sips|sms|snmp|soap.beep|soap.beeps|tag|tel|telnet|tftp|thismessage|tn3270|tip|tv|urn|vemmi|ws|wss|xcon|xcon-userid|xmlrpc.beep|xmlrpc.beeps|xmpp|z39.50r|z39.50s|adiumxtra|afp|afs|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|chrome|chrome-extension|com-eventbrite-attendee|content|cvs|dlna-playsingle|dlna-playcontainer|dtn|dvb|ed2k|facetime|feed|finger|fish|gg|git|gizmoproject|gtalk|hcp|icon|ipn|irc|irc6|ircs|itms|jar|jms|keyparc|lastfm|ldaps|magnet|maps|market|message|mms|ms-help|msnim|mumble|mvn|notes|oid|palm|paparazzi|platform|proxy|psyc|query|res|resource|rmi|rsync|rtmp|secondlife|sftp|sgn|skype|smb|soldat|spotify|ssh|steam|svn|teamspeak|things|udp|unreal|ut2004|ventrilo|view-source|webcal|wtai|wyciwyg|xfire|xri|ymsgr):[^<>\x00-\x20]*>/i))) {
- dest = m.slice(1,-1);
- inlines.push({ t: 'Link', label: [{ t: 'Str', c: dest }],
- destination: dest });
- return m.length;
- } else {
- return 0;
- }
-};
-
-// Attempt to parse a raw HTML tag.
-var parseHtmlTag = function(inlines) {
- var m = this.match(reHtmlTag);
- if (m) {
- inlines.push({ t: 'Html', c: m });
- return m.length;
- } else {
- return 0;
- }
-};
-
-// Scan a sequence of characters == c, and return information about
-// the number of delimiters and whether they are positioned such that
-// they can open and/or close emphasis or strong emphasis. A utility
-// function for strong/emph parsing.
-var scanDelims = function(c) {
- var numdelims = 0;
- var first_close_delims = 0;
- var char_before, char_after;
- var startpos = this.pos;
-
- char_before = this.pos === 0 ? '\n' :
- this.subject.charAt(this.pos - 1);
-
- while (this.peek() === c) {
- numdelims++;
- this.pos++;
- }
-
- char_after = this.peek() || '\n';
-
- var can_open = numdelims > 0 && numdelims <= 3 && !(/\s/.test(char_after));
- var can_close = numdelims > 0 && numdelims <= 3 && !(/\s/.test(char_before));
- if (c === '_') {
- can_open = can_open && !((/[a-z0-9]/i).test(char_before));
- can_close = can_close && !((/[a-z0-9]/i).test(char_after));
- }
- this.pos = startpos;
- return { numdelims: numdelims,
- can_open: can_open,
- can_close: can_close };
-};
-
-// Attempt to parse emphasis or strong emphasis in an efficient way,
-// with no backtracking.
-var parseEmphasis = function(inlines) {
- var startpos = this.pos;
- var c ;
- var first_close = 0;
- var nxt = this.peek();
- if (nxt == '*' || nxt == '_') {
- c = nxt;
- } else {
- return 0;
- }
-
- var numdelims;
- var delimpos;
-
- // Get opening delimiters.
- res = this.scanDelims(c);
- numdelims = res.numdelims;
- this.pos += numdelims;
- // We provisionally add a literal string. If we match appropriate
- // closing delimiters, we'll change this to Strong or Emph.
- inlines.push({t: 'Str',
- c: this.subject.substr(this.pos - numdelims, numdelims)});
- // Record the position of this opening delimiter:
- delimpos = inlines.length - 1;
-
- if (!res.can_open || numdelims === 0) {
- return 0;
- }
-
- var first_close_delims = 0;
-
- switch (numdelims) {
- case 1: // we started with * or _
- while (true) {
- res = this.scanDelims(c);
- if (res.numdelims >= 1 && res.can_close) {
- this.pos += 1;
- // Convert the inline at delimpos, currently a string with the delim,
- // into an Emph whose contents are the succeeding inlines
- inlines[delimpos].t = 'Emph';
- inlines[delimpos].c = inlines.slice(delimpos + 1);
- inlines.splice(delimpos + 1, inlines.length - delimpos - 1);
- break;
- } else {
- if (this.parseInline(inlines) === 0) {
- break;
- }
- }
- }
- return (this.pos - startpos);
-
- case 2: // We started with ** or __
- while (true) {
- res = this.scanDelims(c);
- if (res.numdelims >= 2 && res.can_close) {
- this.pos += 2;
- inlines[delimpos].t = 'Strong';
- inlines[delimpos].c = inlines.slice(delimpos + 1);
- inlines.splice(delimpos + 1, inlines.length - delimpos - 1);
- break;
- } else {
- if (this.parseInline(inlines) === 0) {
- break;
- }
- }
- }
- return (this.pos - startpos);
-
- case 3: // We started with *** or ___
- while (true) {
- res = this.scanDelims(c);
- if (res.numdelims >= 1 && res.numdelims <= 3 && res.can_close &&
- res.numdelims != first_close_delims) {
-
- if (first_close_delims === 1 && numdelims > 2) {
- res.numdelims = 2;
- } else if (first_close_delims === 2) {
- res.numdelims = 1;
- } else if (res.numdelims === 3) {
- // If we opened with ***, then we interpret *** as ** followed by *
- // giving us <strong><em>
- res.numdelims = 1;
- }
-
- this.pos += res.numdelims;
-
- if (first_close > 0) { // if we've already passed the first closer:
- inlines[delimpos].t = first_close_delims === 1 ? 'Strong' : 'Emph';
- inlines[delimpos].c = [
- { t: first_close_delims === 1 ? 'Emph' : 'Strong',
- c: inlines.slice(delimpos + 1, first_close)}
- ].concat(inlines.slice(first_close + 1));
- inlines.splice(delimpos + 1);
- break;
- } else { // this is the first closer; for now, add literal string;
- // we'll change this when he hit the second closer
- inlines.push({t: 'Str',
- c: this.subject.slice(this.pos - res.numdelims,
- this.pos) });
- first_close = inlines.length - 1;
- first_close_delims = res.numdelims;
- }
- } else { // parse another inline element, til we hit the end
- if (this.parseInline(inlines) === 0) {
- break;
- }
- }
- }
- return (this.pos - startpos);
-
- default:
- return res;
- }
-
- return 0;
-};
-
-// Attempt to parse link title (sans quotes), returning the string
-// or null if no match.
-var parseLinkTitle = function() {
- var title = this.match(reLinkTitle);
- if (title) {
- // chop off quotes from title and unescape:
- return unescape(title.substr(1, title.length - 2));
- } else {
- return null;
- }
-};
-
-// Attempt to parse link destination, returning the string or
-// null if no match.
-var parseLinkDestination = function() {
- var res = this.match(reLinkDestinationBraces);
- if (res) { // chop off surrounding <..>:
- return unescape(res.substr(1, res.length - 2));
- } else {
- res = this.match(reLinkDestination);
- if (res !== null) {
- return unescape(res);
- } else {
- return null;
- }
- }
-};
-
-// Attempt to parse a link label, returning number of characters parsed.
-var parseLinkLabel = function() {
- if (this.peek() != '[') {
- return 0;
- }
- var startpos = this.pos;
- var nest_level = 0;
- if (this.label_nest_level > 0) {
- // If we've already checked to the end of this subject
- // for a label, even with a different starting [, we
- // know we won't find one here and we can just return.
- // This avoids lots of backtracking.
- // Note: nest level 1 would be: [foo [bar]
- // nest level 2 would be: [foo [bar [baz]
- this.label_nest_level--;
- return 0;
- }
- this.pos++; // advance past [
- var c;
- while ((c = this.peek()) && (c != ']' || nest_level > 0)) {
- switch (c) {
- case '`':
- this.parseBackticks([]);
- break;
- case '<':
- this.parseAutolink([]) || this.parseHtmlTag([]) || this.parseString([]);
- break;
- case '[': // nested []
- nest_level++;
- this.pos++;
- break;
- case ']': // nested []
- nest_level--;
- this.pos++;
- break;
- case '\\':
- this.parseEscaped([]);
- break;
- default:
- this.parseString([]);
- }
- }
- if (c === ']') {
- this.label_nest_level = 0;
- this.pos++; // advance past ]
- return this.pos - startpos;
- } else {
- if (!c) {
- this.label_nest_level = nest_level;
- }
- this.pos = startpos;
- return 0;
- }
-};
-
-// Parse raw link label, including surrounding [], and return
-// inline contents. (Note: this is not a method of InlineParser.)
-var parseRawLabel = function(s) {
- // note: parse without a refmap; we don't want links to resolve
- // in nested brackets!
- return new InlineParser().parse(s.substr(1, s.length - 2), {});
-};
-
-// Attempt to parse a link. If successful, add the link to
-// inlines.
-var parseLink = function(inlines) {
- var startpos = this.pos;
- var reflabel;
- var n;
- var dest;
- var title;
-
- n = this.parseLinkLabel();
- if (n === 0) {
- return 0;
- }
- var afterlabel = this.pos;
- var rawlabel = this.subject.substr(startpos, n);
-
- // if we got this far, we've parsed a label.
- // Try to parse an explicit link: [label](url "title")
- if (this.peek() == '(') {
- this.pos++;
- if (this.spnl() &&
- ((dest = this.parseLinkDestination()) !== null) &&
- this.spnl() &&
- // make sure there's a space before the title:
- (/^\s/.test(this.subject.charAt(this.pos - 1)) &&
- (title = this.parseLinkTitle() || '') || true) &&
- this.spnl() &&
- this.match(/^\)/)) {
- inlines.push({ t: 'Link',
- destination: dest,
- title: title,
- label: parseRawLabel(rawlabel) });
- return this.pos - startpos;
- } else {
+
+ var entityToChar = function(m) {
+ var isNumeric = /^&#/.test(m);
+ var isHex = /^&#[Xx]/.test(m);
+ var uchar;
+ if (isNumeric) {
+ var num;
+ if (isHex) {
+ num = parseInt(m.slice(3,-1), 16);
+ } else {
+ num = parseInt(m.slice(2,-1), 10);
+ }
+ uchar = String.fromCodePoint(num);
+ } else {
+ uchar = entities[m.slice(1,-1)];
+ }
+ return (uchar || m);
+ };
+
+ // Replace entities and backslash escapes with literal characters.
+ var unescapeEntBS = function(s) {
+ return s.replace(reAllEscapedChar, '$1')
+ .replace(reEntity, entityToChar);
+ };
+
+ // Returns true if string contains only space characters.
+ var isBlank = function(s) {
+ return /^\s*$/.test(s);
+ };
+
+ // Normalize reference label: collapse internal whitespace
+ // to single space, remove leading/trailing whitespace, case fold.
+ var normalizeReference = function(s) {
+ return s.trim()
+ .replace(/\s+/,' ')
+ .toUpperCase();
+ };
+
+ // Attempt to match a regex in string s at offset offset.
+ // Return index of match or null.
+ var matchAt = function(re, s, offset) {
+ var res = s.slice(offset).match(re);
+ if (res) {
+ return offset + res.index;
+ } else {
+ return null;
+ }
+ };
+
+ // Convert tabs to spaces on each line using a 4-space tab stop.
+ var detabLine = function(text) {
+ if (text.indexOf('\t') == -1) {
+ return text;
+ } else {
+ var lastStop = 0;
+ return text.replace(reAllTab, function(match, offset) {
+ var result = ' '.slice((offset - lastStop) % 4);
+ lastStop = offset + 1;
+ return result;
+ });
+ }
+ };
+
+ // INLINE PARSER
+
+ // These are methods of an InlineParser object, defined below.
+ // An InlineParser keeps track of a subject (a string to be
+ // parsed) and a position in that subject.
+
+ // If re matches at current position in the subject, advance
+ // position in subject and return the match; otherwise return null.
+ var match = function(re) {
+ var match = re.exec(this.subject.slice(this.pos));
+ if (match) {
+ this.pos += match.index + match[0].length;
+ return match[0];
+ } else {
+ return null;
+ }
+ };
+
+ // Returns the code for the character at the current subject position, or -1
+ // there are no more characters.
+ var peek = function() {
+ if (this.pos < this.subject.length) {
+ return this.subject.charCodeAt(this.pos);
+ } else {
+ return -1;
+ }
+ };
+
+ // Parse zero or more space characters, including at most one newline
+ var spnl = function() {
+ this.match(/^ *(?:\n *)?/);
+ return 1;
+ };
+
+ // All of the parsers below try to match something at the current position
+ // in the subject. If they succeed in matching anything, they
+ // return the inline matched, advancing the subject.
+
+ // Attempt to parse backticks, returning either a backtick code span or a
+ // literal sequence of backticks.
+ var parseBackticks = function(inlines) {
+ var startpos = this.pos;
+ var ticks = this.match(/^`+/);
+ if (!ticks) {
+ return 0;
+ }
+ var afterOpenTicks = this.pos;
+ var foundCode = false;
+ var match;
+ while (!foundCode && (match = this.match(/`+/m))) {
+ if (match == ticks) {
+ inlines.push({ t: 'Code', c: this.subject.slice(afterOpenTicks,
+ this.pos - ticks.length)
+ .replace(/[ \n]+/g,' ')
+ .trim() });
+ return true;
+ }
+ }
+ // If we got here, we didn't match a closing backtick sequence.
+ this.pos = afterOpenTicks;
+ inlines.push({ t: 'Str', c: ticks });
+ return true;
+ };
+
+ // Parse a backslash-escaped special character, adding either the escaped
+ // character, a hard line break (if the backslash is followed by a newline),
+ // or a literal backslash to the 'inlines' list.
+ var parseBackslash = function(inlines) {
+ var subj = this.subject,
+ pos = this.pos;
+ if (subj.charCodeAt(pos) === C_BACKSLASH) {
+ if (subj.charAt(pos + 1) === '\n') {
+ this.pos = this.pos + 2;
+ inlines.push({ t: 'Hardbreak' });
+ } else if (reEscapable.test(subj.charAt(pos + 1))) {
+ this.pos = this.pos + 2;
+ inlines.push({ t: 'Str', c: subj.charAt(pos + 1) });
+ } else {
+ this.pos++;
+ inlines.push({t: 'Str', c: '\\'});
+ }
+ return true;
+ } else {
+ return false;
+ }
+ };
+
+ // Attempt to parse an autolink (URL or email in pointy brackets).
+ var parseAutolink = function(inlines) {
+ var m;
+ var dest;
+ if ((m = this.match(/^<([a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)>/))) { // email autolink
+ dest = m.slice(1,-1);
+ inlines.push(
+ {t: 'Link',
+ label: [{ t: 'Str', c: dest }],
+ destination: 'mailto:' + encodeURI(unescape(dest)) });
+ return true;
+ } else if ((m = this.match(/^<(?:coap|doi|javascript|aaa|aaas|about|acap|cap|cid|crid|data|dav|dict|dns|file|ftp|geo|go|gopher|h323|http|https|iax|icap|im|imap|info|ipp|iris|iris.beep|iris.xpc|iris.xpcs|iris.lwz|ldap|mailto|mid|msrp|msrps|mtqp|mupdate|news|nfs|ni|nih|nntp|opaquelocktoken|pop|pres|rtsp|service|session|shttp|sieve|sip|sips|sms|snmp|soap.beep|soap.beeps|tag|tel|telnet|tftp|thismessage|tn3270|tip|tv|urn|vemmi|ws|wss|xcon|xcon-userid|xmlrpc.beep|xmlrpc.beeps|xmpp|z39.50r|z39.50s|adiumxtra|afp|afs|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|chrome|chrome-extension|com-eventbrite-attendee|content|cvs|dlna-playsingle|dlna-playcontainer|dtn|dvb|ed2k|facetime|feed|finger|fish|gg|git|gizmoproject|gtalk|hcp|icon|ipn|irc|irc6|ircs|itms|jar|jms|keyparc|lastfm|ldaps|magnet|maps|market|message|mms|ms-help|msnim|mumble|mvn|notes|oid|palm|paparazzi|platform|proxy|psyc|query|res|resource|rmi|rsync|rtmp|secondlife|sftp|sgn|skype|smb|soldat|spotify|ssh|steam|svn|teamspeak|things|udp|unreal|ut2004|ventrilo|view-source|webcal|wtai|wyciwyg|xfire|xri|ymsgr):[^<>\x00-\x20]*>/i))) {
+ dest = m.slice(1,-1);
+ inlines.push({
+ t: 'Link',
+ label: [{ t: 'Str', c: dest }],
+ destination: encodeURI(unescape(dest)) });
+ return true;
+ } else {
+ return false;
+ }
+ };
+
+ // Attempt to parse a raw HTML tag.
+ var parseHtmlTag = function(inlines) {
+ var m = this.match(reHtmlTag);
+ if (m) {
+ inlines.push({ t: 'Html', c: m });
+ return true;
+ } else {
+ return false;
+ }
+ };
+
+ // Scan a sequence of characters with code cc, and return information about
+ // the number of delimiters and whether they are positioned such that
+ // they can open and/or close emphasis or strong emphasis. A utility
+ // function for strong/emph parsing.
+ var scanDelims = function(cc) {
+ var numdelims = 0;
+ var first_close_delims = 0;
+ var char_before, char_after, cc_after;
+ var startpos = this.pos;
+
+ char_before = this.pos === 0 ? '\n' :
+ this.subject.charAt(this.pos - 1);
+
+ while (this.peek() === cc) {
+ numdelims++;
+ this.pos++;
+ }
+
+ cc_after = this.peek();
+ if (cc_after === -1) {
+ char_after = '\n';
+ } else {
+ char_after = String.fromCodePoint(cc_after);
+ }
+
+ var can_open = numdelims > 0 && numdelims <= 3 && !(/\s/.test(char_after));
+ var can_close = numdelims > 0 && numdelims <= 3 && !(/\s/.test(char_before));
+ if (cc === C_UNDERSCORE) {
+ can_open = can_open && !((/[a-z0-9]/i).test(char_before));
+ can_close = can_close && !((/[a-z0-9]/i).test(char_after));
+ }
this.pos = startpos;
- return 0;
- }
- }
- // If we're here, it wasn't an explicit link. Try to parse a reference link.
- // first, see if there's another label
- var savepos = this.pos;
- this.spnl();
- var beforelabel = this.pos;
- n = this.parseLinkLabel();
- if (n == 2) {
- // empty second label
- reflabel = rawlabel;
- } else if (n > 0) {
- reflabel = this.subject.slice(beforelabel, beforelabel + n);
- } else {
- this.pos = savepos;
- reflabel = rawlabel;
- }
- // lookup rawlabel in refmap
- var link = this.refmap[normalizeReference(reflabel)];
- if (link) {
- inlines.push({t: 'Link',
- destination: link.destination,
- title: link.title,
- label: parseRawLabel(rawlabel) });
- return this.pos - startpos;
- } else {
- this.pos = startpos;
- return 0;
- }
- // Nothing worked, rewind:
- this.pos = startpos;
- return 0;
-};
-
-// Attempt to parse an entity, adding to inlines if successful.
-var parseEntity = function(inlines) {
- var m;
- if ((m = this.match(/^&(?:#x[a-f0-9]{1,8}|#[0-9]{1,8}|[a-z][a-z0-9]{1,31});/i))) {
- inlines.push({ t: 'Entity', c: m });
- return m.length;
- } else {
- return 0;
- }
-};
-
-// Parse a run of ordinary characters, or a single character with
-// a special meaning in markdown, as a plain string, adding to inlines.
-var parseString = function(inlines) {
- var m;
- if ((m = this.match(reMain))) {
- inlines.push({ t: 'Str', c: m });
- return m.length;
- } else {
- return 0;
- }
-};
-
-// Parse a newline. If it was preceded by two spaces, return a hard
-// line break; otherwise a soft line break.
-var parseNewline = function(inlines) {
- if (this.peek() == '\n') {
- this.pos++;
- var last = inlines[inlines.length - 1];
- if (last && last.t == 'Str' && last.c.slice(-2) == ' ') {
- last.c = last.c.replace(/ *$/,'');
- inlines.push({ t: 'Hardbreak' });
- } else {
- if (last && last.t == 'Str' && last.c.slice(-1) == ' ') {
- last.c = last.c.slice(0, -1);
- }
- inlines.push({ t: 'Softbreak' });
- }
- return 1;
- } else {
- return 0;
- }
-};
-
-// Attempt to parse an image. If the opening '!' is not followed
-// by a link, add a literal '!' to inlines.
-var parseImage = function(inlines) {
- if (this.match(/^!/)) {
- var n = this.parseLink(inlines);
- if (n === 0) {
- inlines.push({ t: 'Str', c: '!' });
- return 1;
- } else if (inlines[inlines.length - 1] &&
- inlines[inlines.length - 1].t == 'Link') {
- inlines[inlines.length - 1].t = 'Image';
- return n+1;
- } else {
- throw "Shouldn't happen";
- }
- } else {
- return 0;
- }
-};
-
-// Attempt to parse a link reference, modifying refmap.
-var parseReference = function(s, refmap) {
- this.subject = s;
- this.pos = 0;
- var rawlabel;
- var dest;
- var title;
- var matchChars;
- var startpos = this.pos;
- var match;
-
- // label:
- matchChars = this.parseLinkLabel();
- if (matchChars === 0) {
- return 0;
- } else {
- rawlabel = this.subject.substr(0, matchChars);
- }
-
- // colon:
- if (this.peek() === ':') {
- this.pos++;
- } else {
- this.pos = startpos;
- return 0;
- }
-
- // link url
- this.spnl();
-
- dest = this.parseLinkDestination();
- if (dest === null || dest.length === 0) {
- this.pos = startpos;
- return 0;
- }
-
- var beforetitle = this.pos;
- this.spnl();
- title = this.parseLinkTitle();
- if (title === null) {
- title = '';
- // rewind before spaces
- this.pos = beforetitle;
- }
-
- // make sure we're at line end:
- if (this.match(/^ *(?:\n|$)/) === null) {
- this.pos = startpos;
- return 0;
- }
-
- var normlabel = normalizeReference(rawlabel);
-
- if (!refmap[normlabel]) {
- refmap[normlabel] = { destination: dest, title: title };
- }
- return this.pos - startpos;
-};
-
-// Parse the next inline element in subject, advancing subject position
-// and adding the result to 'inlines'.
-var parseInline = function(inlines) {
- var c = this.peek();
- var res;
- switch(c) {
- case '\n':
- res = this.parseNewline(inlines);
- break;
- case '\\':
- res = this.parseEscaped(inlines);
- break;
- case '`':
- res = this.parseBackticks(inlines);
- break;
- case '*':
- case '_':
- res = this.parseEmphasis(inlines);
- break;
- case '[':
- res = this.parseLink(inlines);
- break;
- case '!':
- res = this.parseImage(inlines);
- break;
- case '<':
- res = this.parseAutolink(inlines) ||
- this.parseHtmlTag(inlines);
- break;
- case '&':
- res = this.parseEntity(inlines);
- break;
- default:
- }
- return res || this.parseString(inlines);
-};
-
-// Parse s as a list of inlines, using refmap to resolve references.
-var parseInlines = function(s, refmap) {
- this.subject = s;
- this.pos = 0;
- this.refmap = refmap || {};
- var inlines = [];
- while (this.parseInline(inlines)) ;
- return inlines;
-};
-
-// The InlineParser object.
-function InlineParser(){
- return {
- subject: '',
- label_nest_level: 0, // used by parseLinkLabel method
- pos: 0,
- refmap: {},
- match: match,
- peek: peek,
- spnl: spnl,
- parseBackticks: parseBackticks,
- parseEscaped: parseEscaped,
- parseAutolink: parseAutolink,
- parseHtmlTag: parseHtmlTag,
- scanDelims: scanDelims,
- parseEmphasis: parseEmphasis,
- parseLinkTitle: parseLinkTitle,
- parseLinkDestination: parseLinkDestination,
- parseLinkLabel: parseLinkLabel,
- parseLink: parseLink,
- parseEntity: parseEntity,
- parseString: parseString,
- parseNewline: parseNewline,
- parseImage: parseImage,
- parseReference: parseReference,
- parseInline: parseInline,
- parse: parseInlines
- };
-}
-
-// DOC PARSER
-
-// These are methods of a DocParser object, defined below.
-
-var makeBlock = function(tag, start_line, start_column) {
- return { t: tag,
- open: true,
- last_line_blank: false,
- start_line: start_line,
- start_column: start_column,
- end_line: start_line,
- children: [],
- parent: null,
- // string_content is formed by concatenating strings, in finalize:
- string_content: "",
- strings: [],
- inline_content: []
- };
-};
-
-// Returns true if parent block can contain child block.
-var canContain = function(parent_type, child_type) {
- return ( parent_type == 'Document' ||
- parent_type == 'BlockQuote' ||
- parent_type == 'ListItem' ||
- (parent_type == 'List' && child_type == 'ListItem') );
-};
-
-// Returns true if block type can accept lines of text.
-var acceptsLines = function(block_type) {
- return ( block_type == 'Paragraph' ||
- block_type == 'IndentedCode' ||
- block_type == 'FencedCode' );
-};
-
-// Returns true if block ends with a blank line, descending if needed
-// into lists and sublists.
-var endsWithBlankLine = function(block) {
- if (block.last_line_blank) {
- return true;
- }
- if ((block.t == 'List' || block.t == 'ListItem') && block.children.length > 0) {
- return endsWithBlankLine(block.children[block.children.length - 1]);
- } else {
- return false;
- }
-};
-
-// Break out of all containing lists, resetting the tip of the
-// document to the parent of the highest list, and finalizing
-// all the lists. (This is used to implement the "two blank lines
-// break of of all lists" feature.)
-var breakOutOfLists = function(block, line_number) {
- var b = block;
- var last_list = null;
- do {
- if (b.t === 'List') {
- last_list = b;
- }
- b = b.parent;
- } while (b);
+ return { numdelims: numdelims,
+ can_open: can_open,
+ can_close: can_close };
+ };
+
+ var Emph = function(ils) {
+ return {t: 'Emph', c: ils};
+ };
+
+ var Strong = function(ils) {
+ return {t: 'Strong', c: ils};
+ };
+
+ var Str = function(s) {
+ return {t: 'Str', c: s};
+ };
+
+ // Attempt to parse emphasis or strong emphasis.
+ var parseEmphasis = function(cc,inlines) {
+ var startpos = this.pos;
+ var c ;
+ var first_close = 0;
+ c = String.fromCodePoint(cc);
+
+ var numdelims;
+ var numclosedelims;
+ var delimpos;
+
+ // Get opening delimiters.
+ res = this.scanDelims(cc);
+ numdelims = res.numdelims;
+
+ if (numdelims === 0) {
+ this.pos = startpos;
+ return false;
+ }
- if (last_list) {
- while (block != last_list) {
- this.finalize(block, line_number);
- block = block.parent;
- }
- this.finalize(last_list, line_number);
- this.tip = last_list.parent;
- }
-};
-
-// Add a line to the block at the tip. We assume the tip
-// can accept lines -- that check should be done before calling this.
-var addLine = function(ln, offset) {
- var s = ln.slice(offset);
- if (!(this.tip.open)) {
- throw({ msg: "Attempted to add line (" + ln + ") to closed container." });
- }
- this.tip.strings.push(s);
-};
-
-// Add block of type tag as a child of the tip. If the tip can't
-// accept children, close and finalize it and try its parent,
-// and so on til we find a block that can accept children.
-var addChild = function(tag, line_number, offset) {
- while (!canContain(this.tip.t, tag)) {
- this.finalize(this.tip, line_number);
- }
-
- var column_number = offset + 1; // offset 0 = column 1
- var newBlock = makeBlock(tag, line_number, column_number);
- this.tip.children.push(newBlock);
- newBlock.parent = this.tip;
- this.tip = newBlock;
- return newBlock;
-};
-
-// Parse a list marker and return data on the marker (type,
-// start, delimiter, bullet character, padding) or null.
-var parseListMarker = function(ln, offset) {
- var rest = ln.slice(offset);
- var match;
- var spaces_after_marker;
- var data = {};
- if (rest.match(reHrule)) {
- return null;
- }
- if ((match = rest.match(/^[*+-]( +|$)/))) {
- spaces_after_marker = match[1].length;
- data.type = 'Bullet';
- data.bullet_char = match[0].charAt(0);
-
- } else if ((match = rest.match(/^(\d+)([.)])( +|$)/))) {
- spaces_after_marker = match[3].length;
- data.type = 'Ordered';
- data.start = parseInt(match[1]);
- data.delimiter = match[2];
- } else {
- return null;
- }
- var blank_item = match[0].length === rest.length;
- if (spaces_after_marker >= 5 ||
- spaces_after_marker < 1 ||
- blank_item) {
- data.padding = match[0].length - spaces_after_marker + 1;
- } else {
- data.padding = match[0].length;
- }
- return data;
-};
-
-// Returns true if the two list items are of the same type,
-// with the same delimiter and bullet character. This is used
-// in agglomerating list items into lists.
-var listsMatch = function(list_data, item_data) {
- return (list_data.type === item_data.type &&
- list_data.delimiter === item_data.delimiter &&
- list_data.bullet_char === item_data.bullet_char);
-};
-
-// Analyze a line of text and update the document appropriately.
-// We parse markdown text by calling this on each line of input,
-// then finalizing the document.
-var incorporateLine = function(ln, line_number) {
-
- var all_matched = true;
- var last_child;
- var first_nonspace;
- var offset = 0;
- var match;
- var data;
- var blank;
- var indent;
- var last_matched_container;
- var i;
- var CODE_INDENT = 4;
-
- var container = this.doc;
- var oldtip = this.tip;
-
- // Convert tabs to spaces:
- ln = detabLine(ln);
-
- // For each containing block, try to parse the associated line start.
- // Bail out on failure: container will point to the last matching block.
- // Set all_matched to false if not all containers match.
- while (container.children.length > 0) {
- last_child = container.children[container.children.length - 1];
- if (!last_child.open) {
- break;
- }
- container = last_child;
-
- match = matchAt(/[^ ]/, ln, offset);
- if (match === null) {
- first_nonspace = ln.length;
- blank = true;
- } else {
- first_nonspace = match;
- blank = false;
- }
- indent = first_nonspace - offset;
-
- switch (container.t) {
- case 'BlockQuote':
- var matched = indent <= 3 && ln.charAt(first_nonspace) === '>';
- if (matched) {
- offset = first_nonspace + 1;
- if (ln.charAt(offset) === ' ') {
- offset++;
- }
+ if (numdelims >= 4 || !res.can_open) {
+ this.pos += numdelims;
+ inlines.push(Str(this.subject.slice(startpos, startpos + numdelims)));
+ return true;
+ }
+
+ this.pos += numdelims;
+
+ var delims_to_match = numdelims;
+
+ var current = [];
+ var firstend;
+ var firstpos;
+ var state = 0;
+ var can_close = false;
+ var can_open = false;
+ var last_emphasis_closer = null;
+ while (this.last_emphasis_closer[c] >= this.pos) {
+ res = this.scanDelims(cc);
+ numclosedelims = res.numdelims;
+
+ if (res.can_close) {
+ if (last_emphasis_closer === null ||
+ last_emphasis_closer < this.pos) {
+ last_emphasis_closer = this.pos;
+ }
+ if (numclosedelims === 3 && delims_to_match === 3) {
+ delims_to_match -= 3;
+ this.pos += 3;
+ current = [{t: 'Strong', c: [{t: 'Emph', c: current}]}];
+ } else if (numclosedelims >= 2 && delims_to_match >= 2) {
+ delims_to_match -= 2;
+ this.pos += 2;
+ firstend = current.length;
+ firstpos = this.pos;
+ current = [{t: 'Strong', c: current}];
+ } else if (numclosedelims >= 1 && delims_to_match >= 1) {
+ delims_to_match -= 1;
+ this.pos += 1;
+ firstend = current.length;
+ firstpos = this.pos;
+ current = [{t: 'Emph', c: current}];
+ } else {
+ if (!(this.parseInline(current,true))) {
+ break;
+ }
+ }
+ if (delims_to_match === 0) {
+ Array.prototype.push.apply(inlines, current);
+ return true;
+ }
+ } else if (!(this.parseInline(current,true))) {
+ break;
+ }
+ }
+
+ // we didn't match emphasis: fallback
+ inlines.push(Str(this.subject.slice(startpos,
+ startpos + delims_to_match)));
+ if (delims_to_match < numdelims) {
+ Array.prototype.push.apply(inlines, current.slice(0,firstend));
+ this.pos = firstpos;
+ } else { // delims_to_match === numdelims
+ this.pos = startpos + delims_to_match;
+ }
+
+ if (last_emphasis_closer) {
+ this.last_emphasis_closer[c] = last_emphasis_closer;
+ }
+ return true;
+ };
+
+ // Attempt to parse link title (sans quotes), returning the string
+ // or null if no match.
+ var parseLinkTitle = function() {
+ var title = this.match(reLinkTitle);
+ if (title) {
+ // chop off quotes from title and unescape:
+ return unescapeEntBS(title.substr(1, title.length - 2));
} else {
- all_matched = false;
+ return null;
}
- break;
+ };
+
+ // Attempt to parse link destination, returning the string or
+ // null if no match.
+ var parseLinkDestination = function() {
+ var res = this.match(reLinkDestinationBraces);
+ if (res) { // chop off surrounding <..>:
+ return encodeURI(unescape(unescapeEntBS(res.substr(1, res.length - 2))));
+ } else {
+ res = this.match(reLinkDestination);
+ if (res !== null) {
+ return encodeURI(unescape(unescapeEntBS(res)));
+ } else {
+ return null;
+ }
+ }
+ };
- case 'ListItem':
- if (indent >= container.list_data.marker_offset +
- container.list_data.padding) {
- offset += container.list_data.marker_offset +
- container.list_data.padding;
- } else if (blank) {
- offset = first_nonspace;
+ // Attempt to parse a link label, returning number of characters parsed.
+ var parseLinkLabel = function() {
+ if (this.peek() != C_OPEN_BRACKET) {
+ return 0;
+ }
+ var startpos = this.pos;
+ var nest_level = 0;
+ if (this.label_nest_level > 0) {
+ // If we've already checked to the end of this subject
+ // for a label, even with a different starting [, we
+ // know we won't find one here and we can just return.
+ // This avoids lots of backtracking.
+ // Note: nest level 1 would be: [foo [bar]
+ // nest level 2 would be: [foo [bar [baz]
+ this.label_nest_level--;
+ return 0;
+ }
+ this.pos++; // advance past [
+ var c;
+ while ((c = this.peek()) && c != -1 && (c != C_CLOSE_BRACKET || nest_level > 0)) {
+ switch (c) {
+ case C_BACKTICK:
+ this.parseBackticks([]);
+ break;
+ case C_LESSTHAN:
+ if (!(this.parseAutolink([]) || this.parseHtmlTag([]))) {
+ this.pos++;
+ }
+ break;
+ case C_OPEN_BRACKET: // nested []
+ nest_level++;
+ this.pos++;
+ break;
+ case C_CLOSE_BRACKET: // nested []
+ nest_level--;
+ this.pos++;
+ break;
+ case C_BACKSLASH:
+ this.parseBackslash([]);
+ break;
+ default:
+ this.parseString([]);
+ }
+ }
+ if (c === C_CLOSE_BRACKET) {
+ this.label_nest_level = 0;
+ this.pos++; // advance past ]
+ return this.pos - startpos;
+ } else {
+ if (c === -1) {
+ this.label_nest_level = nest_level;
+ }
+ this.pos = startpos;
+ return 0;
+ }
+ };
+
+ // Parse raw link label, including surrounding [], and return
+ // inline contents. (Note: this is not a method of InlineParser.)
+ var parseRawLabel = function(s) {
+ // note: parse without a refmap; we don't want links to resolve
+ // in nested brackets!
+ return new InlineParser().parse(s.substr(1, s.length - 2), {});
+ };
+
+ // Attempt to parse a link. If successful, return the link.
+ var parseLink = function(inlines) {
+ var startpos = this.pos;
+ var reflabel;
+ var n;
+ var dest;
+ var title;
+
+ n = this.parseLinkLabel();
+ if (n === 0) {
+ return false;
+ }
+ var afterlabel = this.pos;
+ var rawlabel = this.subject.substr(startpos, n);
+
+ // if we got this far, we've parsed a label.
+ // Try to parse an explicit link: [label](url "title")
+ if (this.peek() == C_OPEN_PAREN) {
+ this.pos++;
+ if (this.spnl() &&
+ ((dest = this.parseLinkDestination()) !== null) &&
+ this.spnl() &&
+ // make sure there's a space before the title:
+ (/^\s/.test(this.subject.charAt(this.pos - 1)) &&
+ (title = this.parseLinkTitle() || '') || true) &&
+ this.spnl() &&
+ this.match(/^\)/)) {
+ inlines.push({ t: 'Link',
+ destination: dest,
+ title: title,
+ label: parseRawLabel(rawlabel) });
+ return true;
+ } else {
+ this.pos = startpos;
+ return false;
+ }
+ }
+ // If we're here, it wasn't an explicit link. Try to parse a reference link.
+ // first, see if there's another label
+ var savepos = this.pos;
+ this.spnl();
+ var beforelabel = this.pos;
+ n = this.parseLinkLabel();
+ if (n == 2) {
+ // empty second label
+ reflabel = rawlabel;
+ } else if (n > 0) {
+ reflabel = this.subject.slice(beforelabel, beforelabel + n);
+ } else {
+ this.pos = savepos;
+ reflabel = rawlabel;
+ }
+ // lookup rawlabel in refmap
+ var link = this.refmap[normalizeReference(reflabel)];
+ if (link) {
+ inlines.push({t: 'Link',
+ destination: link.destination,
+ title: link.title,
+ label: parseRawLabel(rawlabel) });
+ return true;
+ } else {
+ this.pos = startpos;
+ return false;
+ }
+ // Nothing worked, rewind:
+ this.pos = startpos;
+ return false;
+ };
+
+ // Attempt to parse an entity, return Entity object if successful.
+ var parseEntity = function(inlines) {
+ var m;
+ if ((m = this.match(reEntityHere))) {
+ inlines.push({ t: 'Str', c: entityToChar(m) });
+ return true;
+ } else {
+ return false;
+ }
+ };
+
+ // Parse a run of ordinary characters, or a single character with
+ // a special meaning in markdown, as a plain string, adding to inlines.
+ var parseString = function(inlines) {
+ var m;
+ if ((m = this.match(reMain))) {
+ inlines.push({ t: 'Str', c: m });
+ return true;
+ } else {
+ return false;
+ }
+ };
+
+ // Parse a newline. If it was preceded by two spaces, return a hard
+ // line break; otherwise a soft line break.
+ var parseNewline = function(inlines) {
+ var m = this.match(/^ *\n/);
+ if (m) {
+ if (m.length > 2) {
+ inlines.push({ t: 'Hardbreak' });
+ } else if (m.length > 0) {
+ inlines.push({ t: 'Softbreak' });
+ }
+ return true;
+ }
+ return false;
+ };
+
+ // Attempt to parse an image. If the opening '!' is not followed
+ // by a link, return a literal '!'.
+ var parseImage = function(inlines) {
+ if (this.match(/^!/)) {
+ var link = this.parseLink(inlines);
+ if (link) {
+ inlines[inlines.length - 1].t = 'Image';
+ return true;
+ } else {
+ inlines.push({ t: 'Str', c: '!' });
+ return true;
+ }
+ } else {
+ return false;
+ }
+ };
+
+ // Attempt to parse a link reference, modifying refmap.
+ var parseReference = function(s, refmap) {
+ this.subject = s;
+ this.pos = 0;
+ this.label_nest_level = 0;
+ var rawlabel;
+ var dest;
+ var title;
+ var matchChars;
+ var startpos = this.pos;
+ var match;
+
+ // label:
+ matchChars = this.parseLinkLabel();
+ if (matchChars === 0) {
+ return 0;
} else {
- all_matched = false;
+ rawlabel = this.subject.substr(0, matchChars);
}
- break;
- case 'IndentedCode':
- if (indent >= CODE_INDENT) {
- offset += CODE_INDENT;
- } else if (blank) {
- offset = first_nonspace;
+ // colon:
+ if (this.peek() === C_COLON) {
+ this.pos++;
} else {
- all_matched = false;
+ this.pos = startpos;
+ return 0;
}
- break;
- case 'ATXHeader':
- case 'SetextHeader':
- case 'HorizontalRule':
- // a header can never container > 1 line, so fail to match:
- all_matched = false;
- break;
+ // link url
+ this.spnl();
- case 'FencedCode':
- // skip optional spaces of fence offset
- i = container.fence_offset;
- while (i > 0 && ln.charAt(offset) === ' ') {
- offset++;
- i--;
+ dest = this.parseLinkDestination();
+ if (dest === null || dest.length === 0) {
+ this.pos = startpos;
+ return 0;
}
- break;
- case 'HtmlBlock':
- if (blank) {
- all_matched = false;
+ var beforetitle = this.pos;
+ this.spnl();
+ title = this.parseLinkTitle();
+ if (title === null) {
+ title = '';
+ // rewind before spaces
+ this.pos = beforetitle;
}
- break;
- case 'Paragraph':
- if (blank) {
- container.last_line_blank = true;
- all_matched = false;
+ // make sure we're at line end:
+ if (this.match(/^ *(?:\n|$)/) === null) {
+ this.pos = startpos;
+ return 0;
}
- break;
- default:
- }
+ var normlabel = normalizeReference(rawlabel);
- if (!all_matched) {
- container = container.parent; // back up to last matching block
- break;
- }
- }
-
- last_matched_container = container;
-
- // This function is used to finalize and close any unmatched
- // blocks. We aren't ready to do this now, because we might
- // have a lazy paragraph continuation, in which case we don't
- // want to close unmatched blocks. So we store this closure for
- // use later, when we have more information.
- var closeUnmatchedBlocks = function(mythis) {
- // finalize any blocks not matched
- while (!already_done && oldtip != last_matched_container) {
- mythis.finalize(oldtip, line_number);
- oldtip = oldtip.parent;
- }
- var already_done = true;
- };
-
- // Check to see if we've hit 2nd blank line; if so break out of list:
- if (blank && container.last_line_blank) {
- this.breakOutOfLists(container, line_number);
- }
-
- // Unless last matched container is a code block, try new container starts,
- // adding children to the last matched container:
- while (container.t != 'FencedCode' &&
- container.t != 'IndentedCode' &&
- container.t != 'HtmlBlock' &&
- // this is a little performance optimization:
- matchAt(/^[ #`~*+_=<>0-9-]/,ln,offset) !== null) {
-
- match = matchAt(/[^ ]/, ln, offset);
- if (match === null) {
- first_nonspace = ln.length;
- blank = true;
- } else {
- first_nonspace = match;
- blank = false;
- }
- indent = first_nonspace - offset;
-
- if (indent >= CODE_INDENT) {
- // indented code
- if (this.tip.t != 'Paragraph' && !blank) {
- offset += CODE_INDENT;
- closeUnmatchedBlocks(this);
- container = this.addChild('IndentedCode', line_number, offset);
- } else { // indent > 4 in a lazy paragraph continuation
- break;
- }
-
- } else if (ln.charAt(first_nonspace) === '>') {
- // blockquote
- offset = first_nonspace + 1;
- // optional following space
- if (ln.charAt(offset) === ' ') {
- offset++;
- }
- closeUnmatchedBlocks(this);
- container = this.addChild('BlockQuote', line_number, offset);
-
- } else if ((match = ln.slice(first_nonspace).match(/^#{1,6}(?: +|$)/))) {
- // ATX header
- offset = first_nonspace + match[0].length;
- closeUnmatchedBlocks(this);
- container = this.addChild('ATXHeader', line_number, first_nonspace);
- container.level = match[0].trim().length; // number of #s
- // remove trailing ###s:
- container.strings =
- [ln.slice(offset).replace(/(?:(\\#) *#*| *#+) *$/,'$1')];
- break;
-
- } else if ((match = ln.slice(first_nonspace).match(/^`{3,}(?!.*`)|^~{3,}(?!.*~)/))) {
- // fenced code block
- var fence_length = match[0].length;
- closeUnmatchedBlocks(this);
- container = this.addChild('FencedCode', line_number, first_nonspace);
- container.fence_length = fence_length;
- container.fence_char = match[0].charAt(0);
- container.fence_offset = first_nonspace - offset;
- offset = first_nonspace + fence_length;
- break;
-
- } else if (matchAt(reHtmlBlockOpen, ln, first_nonspace) !== null) {
- // html block
- closeUnmatchedBlocks(this);
- container = this.addChild('HtmlBlock', line_number, first_nonspace);
- // note, we don't adjust offset because the tag is part of the text
- break;
-
- } else if (container.t == 'Paragraph' &&
- container.strings.length === 1 &&
- ((match = ln.slice(first_nonspace).match(/^(?:=+|-+) *$/)))) {
- // setext header line
- closeUnmatchedBlocks(this);
- container.t = 'SetextHeader'; // convert Paragraph to SetextHeader
- container.level = match[0].charAt(0) === '=' ? 1 : 2;
- offset = ln.length;
-
- } else if (matchAt(reHrule, ln, first_nonspace) !== null) {
- // hrule
- closeUnmatchedBlocks(this);
- container = this.addChild('HorizontalRule', line_number, first_nonspace);
- offset = ln.length - 1;
- break;
-
- } else if ((data = parseListMarker(ln, first_nonspace))) {
- // list item
- closeUnmatchedBlocks(this);
- data.marker_offset = indent;
- offset = first_nonspace + data.padding;
-
- // add the list if needed
- if (container.t !== 'List' ||
- !(listsMatch(container.list_data, data))) {
- container = this.addChild('List', line_number, first_nonspace);
- container.list_data = data;
- }
-
- // add the list item
- container = this.addChild('ListItem', line_number, first_nonspace);
- container.list_data = data;
-
- } else {
- break;
+ if (!refmap[normlabel]) {
+ refmap[normlabel] = { destination: dest, title: title };
+ }
+ return this.pos - startpos;
+ };
+
+ // Parse the next inline element in subject, advancing subject position.
+ // If memoize is set, memoize the result.
+ // On success, add the result to the inlines list, and return true.
+ // On failure, return false.
+ var parseInline = function(inlines, memoize) {
+ var startpos = this.pos;
+ var origlen = inlines.length;
+ var memoized = memoize && this.memo[startpos];
+ if (memoized) {
+ this.pos = memoized.endpos;
+ Array.prototype.push.apply(inlines, memoized.inline);
+ return true;
+ }
- }
+ var c = this.peek();
+ if (c === -1) {
+ return false;
+ }
+ var res;
+ switch(c) {
+ case C_NEWLINE:
+ case C_SPACE:
+ res = this.parseNewline(inlines);
+ break;
+ case C_BACKSLASH:
+ res = this.parseBackslash(inlines);
+ break;
+ case C_BACKTICK:
+ res = this.parseBackticks(inlines);
+ break;
+ case C_ASTERISK:
+ case C_UNDERSCORE:
+ res = this.parseEmphasis(c, inlines);
+ break;
+ case C_OPEN_BRACKET:
+ res = this.parseLink(inlines);
+ break;
+ case C_BANG:
+ res = this.parseImage(inlines);
+ break;
+ case C_LESSTHAN:
+ res = this.parseAutolink(inlines) || this.parseHtmlTag(inlines);
+ break;
+ case C_AMPERSAND:
+ res = this.parseEntity(inlines);
+ break;
+ default:
+ res = this.parseString(inlines);
+ break;
+ }
+ if (!res) {
+ this.pos += 1;
+ inlines.push({t: 'Str', c: String.fromCodePoint(c)});
+ }
- if (acceptsLines(container.t)) {
- // if it's a line container, it can't contain other containers
- break;
- }
- }
-
- // What remains at the offset is a text line. Add the text to the
- // appropriate container.
-
- match = matchAt(/[^ ]/, ln, offset);
- if (match === null) {
- first_nonspace = ln.length;
- blank = true;
- } else {
- first_nonspace = match;
- blank = false;
- }
- indent = first_nonspace - offset;
-
- // First check for a lazy paragraph continuation:
- if (this.tip !== last_matched_container &&
- !blank &&
- this.tip.t == 'Paragraph' &&
- this.tip.strings.length > 0) {
- // lazy paragraph continuation
-
- this.last_line_blank = false;
- this.addLine(ln, offset);
-
- } else { // not a lazy continuation
-
- // finalize any blocks not matched
- closeUnmatchedBlocks(this);
-
- // Block quote lines are never blank as they start with >
- // and we don't count blanks in fenced code for purposes of tight/loose
- // lists or breaking out of lists. We also don't set last_line_blank
- // on an empty list item.
- container.last_line_blank = blank &&
- !(container.t == 'BlockQuote' ||
- container.t == 'FencedCode' ||
- (container.t == 'ListItem' &&
- container.children.length === 0 &&
- container.start_line == line_number));
-
- var cont = container;
- while (cont.parent) {
- cont.parent.last_line_blank = false;
- cont = cont.parent;
+ if (memoize) {
+ this.memo[startpos] = { inline: inlines.slice(origlen),
+ endpos: this.pos };
+ }
+ return true;
+ };
+
+ // Parse s as a list of inlines, using refmap to resolve references.
+ var parseInlines = function(s, refmap) {
+ this.subject = s;
+ this.pos = 0;
+ this.refmap = refmap || {};
+ this.memo = {};
+ this.last_emphasis_closer = { '*': s.length, '_': s.length };
+ var inlines = [];
+ while (this.parseInline(inlines, false)) {
+ }
+ return inlines;
+ };
+
+ // The InlineParser object.
+ function InlineParser(){
+ return {
+ subject: '',
+ label_nest_level: 0, // used by parseLinkLabel method
+ last_emphasis_closer: null, // used by parseEmphasis method
+ pos: 0,
+ refmap: {},
+ memo: {},
+ match: match,
+ peek: peek,
+ spnl: spnl,
+ parseBackticks: parseBackticks,
+ parseBackslash: parseBackslash,
+ parseAutolink: parseAutolink,
+ parseHtmlTag: parseHtmlTag,
+ scanDelims: scanDelims,
+ parseEmphasis: parseEmphasis,
+ parseLinkTitle: parseLinkTitle,
+ parseLinkDestination: parseLinkDestination,
+ parseLinkLabel: parseLinkLabel,
+ parseLink: parseLink,
+ parseEntity: parseEntity,
+ parseString: parseString,
+ parseNewline: parseNewline,
+ parseImage: parseImage,
+ parseReference: parseReference,
+ parseInline: parseInline,
+ parse: parseInlines
+ };
}
- switch (container.t) {
- case 'IndentedCode':
- case 'HtmlBlock':
- this.addLine(ln, offset);
- break;
-
- case 'FencedCode':
- // check for closing code fence:
- match = (indent <= 3 &&
- ln.charAt(first_nonspace) == container.fence_char &&
- ln.slice(first_nonspace).match(/^(?:`{3,}|~{3,})(?= *$)/));
- if (match && match[0].length >= container.fence_length) {
- // don't add closing fence to container; instead, close it:
- this.finalize(container, line_number);
- } else {
- this.addLine(ln, offset);
- }
- break;
-
- case 'ATXHeader':
- case 'SetextHeader':
- case 'HorizontalRule':
- // nothing to do; we already added the contents.
- break;
-
- default:
- if (acceptsLines(container.t)) {
- this.addLine(ln, first_nonspace);
- } else if (blank) {
- // do nothing
- } else if (container.t != 'HorizontalRule' &&
- container.t != 'SetextHeader') {
- // create paragraph container for line
- container = this.addChild('Paragraph', line_number, first_nonspace);
- this.addLine(ln, first_nonspace);
- } else {
- console.log("Line " + line_number.toString() +
- " with container type " + container.t +
- " did not match any condition.");
-
- }
- }
- }
-};
-
-// Finalize a block. Close it and do any necessary postprocessing,
-// e.g. creating string_content from strings, setting the 'tight'
-// or 'loose' status of a list, and parsing the beginnings
-// of paragraphs for reference definitions. Reset the tip to the
-// parent of the closed block.
-var finalize = function(block, line_number) {
- var pos;
- // don't do anything if the block is already closed
- if (!block.open) {
- return 0;
- }
- block.open = false;
- if (line_number > block.start_line) {
- block.end_line = line_number - 1;
- } else {
- block.end_line = line_number;
- }
-
- switch (block.t) {
- case 'Paragraph':
- block.string_content = block.strings.join('\n').replace(/^ */m,'');
-
- // try parsing the beginning as link reference definitions:
- while (block.string_content.charAt(0) === '[' &&
- (pos = this.inlineParser.parseReference(block.string_content,
- this.refmap))) {
- block.string_content = block.string_content.slice(pos);
- if (isBlank(block.string_content)) {
- block.t = 'ReferenceDef';
- break;
- }
- }
- break;
-
- case 'ATXHeader':
- case 'SetextHeader':
- case 'HtmlBlock':
- block.string_content = block.strings.join('\n');
- break;
-
- case 'IndentedCode':
- block.string_content = block.strings.join('\n').replace(/(\n *)*$/,'\n');
- break;
-
- case 'FencedCode':
- // first line becomes info string
- block.info = unescape(block.strings[0].trim());
- if (block.strings.length == 1) {
- block.string_content = '';
- } else {
- block.string_content = block.strings.slice(1).join('\n') + '\n';
- }
- break;
-
- case 'List':
- block.tight = true; // tight by default
-
- var numitems = block.children.length;
- var i = 0;
- while (i < numitems) {
- var item = block.children[i];
- // check for non-final list item ending with blank line:
- var last_item = i == numitems - 1;
- if (endsWithBlankLine(item) && !last_item) {
- block.tight = false;
- break;
- }
- // recurse into children of list item, to see if there are
- // spaces between any of them:
- var numsubitems = item.children.length;
- var j = 0;
- while (j < numsubitems) {
- var subitem = item.children[j];
- var last_subitem = j == numsubitems - 1;
- if (endsWithBlankLine(subitem) && !(last_item && last_subitem)) {
- block.tight = false;
- break;
- }
- j++;
- }
- i++;
- }
- break;
-
- default:
- break;
- }
-
- this.tip = block.parent || this.top;
-};
-
-// Walk through a block & children recursively, parsing string content
-// into inline content where appropriate.
-var processInlines = function(block) {
- switch(block.t) {
- case 'Paragraph':
- case 'SetextHeader':
- case 'ATXHeader':
- block.inline_content =
- this.inlineParser.parse(block.string_content.trim(), this.refmap);
- block.string_content = "";
- break;
- default:
- break;
- }
-
- if (block.children) {
- for (var i = 0; i < block.children.length; i++) {
- this.processInlines(block.children[i]);
- }
- }
-
-};
-
-// The main parsing function. Returns a parsed document AST.
-var parse = function(input) {
- this.doc = makeBlock('Document', 1, 1);
- this.tip = this.doc;
- this.refmap = {};
- var lines = input.replace(/\n$/,'').split(/\r\n|\n|\r/);
- var len = lines.length;
- for (var i = 0; i < len; i++) {
- this.incorporateLine(lines[i], i+1);
- }
- while (this.tip) {
- this.finalize(this.tip, len - 1);
- }
- this.processInlines(this.doc);
- return this.doc;
-};
-
-
-// The DocParser object.
-function DocParser(){
- return {
- doc: makeBlock('Document', 1, 1),
- tip: this.doc,
- refmap: {},
- inlineParser: new InlineParser(),
- breakOutOfLists: breakOutOfLists,
- addLine: addLine,
- addChild: addChild,
- incorporateLine: incorporateLine,
- finalize: finalize,
- processInlines: processInlines,
- parse: parse
- };
-}
-
-// HTML RENDERER
-
-// Helper function to produce content in a pair of HTML tags.
-var inTags = function(tag, attribs, contents, selfclosing) {
- var result = '<' + tag;
- if (attribs) {
- var i = 0;
- var attrib;
- while ((attrib = attribs[i]) !== undefined) {
- result = result.concat(' ', attrib[0], '="', attrib[1], '"');
- i++;
+ // DOC PARSER
+
+ // These are methods of a DocParser object, defined below.
+
+ var makeBlock = function(tag, start_line, start_column) {
+ return { t: tag,
+ open: true,
+ last_line_blank: false,
+ start_line: start_line,
+ start_column: start_column,
+ end_line: start_line,
+ children: [],
+ parent: null,
+ // string_content is formed by concatenating strings, in finalize:
+ string_content: "",
+ strings: [],
+ inline_content: []
+ };
+ };
+
+ // Returns true if parent block can contain child block.
+ var canContain = function(parent_type, child_type) {
+ return ( parent_type == 'Document' ||
+ parent_type == 'BlockQuote' ||
+ parent_type == 'ListItem' ||
+ (parent_type == 'List' && child_type == 'ListItem') );
+ };
+
+ // Returns true if block type can accept lines of text.
+ var acceptsLines = function(block_type) {
+ return ( block_type == 'Paragraph' ||
+ block_type == 'IndentedCode' ||
+ block_type == 'FencedCode' );
+ };
+
+ // Returns true if block ends with a blank line, descending if needed
+ // into lists and sublists.
+ var endsWithBlankLine = function(block) {
+ if (block.last_line_blank) {
+ return true;
+ }
+ if ((block.t == 'List' || block.t == 'ListItem') && block.children.length > 0) {
+ return endsWithBlankLine(block.children[block.children.length - 1]);
+ } else {
+ return false;
+ }
+ };
+
+ // Break out of all containing lists, resetting the tip of the
+ // document to the parent of the highest list, and finalizing
+ // all the lists. (This is used to implement the "two blank lines
+ // break of of all lists" feature.)
+ var breakOutOfLists = function(block, line_number) {
+ var b = block;
+ var last_list = null;
+ do {
+ if (b.t === 'List') {
+ last_list = b;
+ }
+ b = b.parent;
+ } while (b);
+
+ if (last_list) {
+ while (block != last_list) {
+ this.finalize(block, line_number);
+ block = block.parent;
+ }
+ this.finalize(last_list, line_number);
+ this.tip = last_list.parent;
+ }
+ };
+
+ // Add a line to the block at the tip. We assume the tip
+ // can accept lines -- that check should be done before calling this.
+ var addLine = function(ln, offset) {
+ var s = ln.slice(offset);
+ if (!(this.tip.open)) {
+ throw({ msg: "Attempted to add line (" + ln + ") to closed container." });
+ }
+ this.tip.strings.push(s);
+ };
+
+ // Add block of type tag as a child of the tip. If the tip can't
+ // accept children, close and finalize it and try its parent,
+ // and so on til we find a block that can accept children.
+ var addChild = function(tag, line_number, offset) {
+ while (!canContain(this.tip.t, tag)) {
+ this.finalize(this.tip, line_number);
+ }
+
+ var column_number = offset + 1; // offset 0 = column 1
+ var newBlock = makeBlock(tag, line_number, column_number);
+ this.tip.children.push(newBlock);
+ newBlock.parent = this.tip;
+ this.tip = newBlock;
+ return newBlock;
+ };
+
+ // Parse a list marker and return data on the marker (type,
+ // start, delimiter, bullet character, padding) or null.
+ var parseListMarker = function(ln, offset) {
+ var rest = ln.slice(offset);
+ var match;
+ var spaces_after_marker;
+ var data = {};
+ if (rest.match(reHrule)) {
+ return null;
+ }
+ if ((match = rest.match(/^[*+-]( +|$)/))) {
+ spaces_after_marker = match[1].length;
+ data.type = 'Bullet';
+ data.bullet_char = match[0][0];
+
+ } else if ((match = rest.match(/^(\d+)([.)])( +|$)/))) {
+ spaces_after_marker = match[3].length;
+ data.type = 'Ordered';
+ data.start = parseInt(match[1]);
+ data.delimiter = match[2];
+ } else {
+ return null;
+ }
+ var blank_item = match[0].length === rest.length;
+ if (spaces_after_marker >= 5 ||
+ spaces_after_marker < 1 ||
+ blank_item) {
+ data.padding = match[0].length - spaces_after_marker + 1;
+ } else {
+ data.padding = match[0].length;
+ }
+ return data;
+ };
+
+ // Returns true if the two list items are of the same type,
+ // with the same delimiter and bullet character. This is used
+ // in agglomerating list items into lists.
+ var listsMatch = function(list_data, item_data) {
+ return (list_data.type === item_data.type &&
+ list_data.delimiter === item_data.delimiter &&
+ list_data.bullet_char === item_data.bullet_char);
+ };
+
+ // Analyze a line of text and update the document appropriately.
+ // We parse markdown text by calling this on each line of input,
+ // then finalizing the document.
+ var incorporateLine = function(ln, line_number) {
+
+ var all_matched = true;
+ var last_child;
+ var first_nonspace;
+ var offset = 0;
+ var match;
+ var data;
+ var blank;
+ var indent;
+ var last_matched_container;
+ var i;
+ var CODE_INDENT = 4;
+
+ var container = this.doc;
+ var oldtip = this.tip;
+
+ // Convert tabs to spaces:
+ ln = detabLine(ln);
+
+ // For each containing block, try to parse the associated line start.
+ // Bail out on failure: container will point to the last matching block.
+ // Set all_matched to false if not all containers match.
+ while (container.children.length > 0) {
+ last_child = container.children[container.children.length - 1];
+ if (!last_child.open) {
+ break;
+ }
+ container = last_child;
+
+ match = matchAt(/[^ ]/, ln, offset);
+ if (match === null) {
+ first_nonspace = ln.length;
+ blank = true;
+ } else {
+ first_nonspace = match;
+ blank = false;
+ }
+ indent = first_nonspace - offset;
+
+ switch (container.t) {
+ case 'BlockQuote':
+ if (indent <= 3 && ln.charCodeAt(first_nonspace) === C_GREATERTHAN) {
+ offset = first_nonspace + 1;
+ if (ln.charCodeAt(offset) === C_SPACE) {
+ offset++;
+ }
+ } else {
+ all_matched = false;
+ }
+ break;
+
+ case 'ListItem':
+ if (indent >= container.list_data.marker_offset +
+ container.list_data.padding) {
+ offset += container.list_data.marker_offset +
+ container.list_data.padding;
+ } else if (blank) {
+ offset = first_nonspace;
+ } else {
+ all_matched = false;
+ }
+ break;
+
+ case 'IndentedCode':
+ if (indent >= CODE_INDENT) {
+ offset += CODE_INDENT;
+ } else if (blank) {
+ offset = first_nonspace;
+ } else {
+ all_matched = false;
+ }
+ break;
+
+ case 'ATXHeader':
+ case 'SetextHeader':
+ case 'HorizontalRule':
+ // a header can never container > 1 line, so fail to match:
+ all_matched = false;
+ break;
+
+ case 'FencedCode':
+ // skip optional spaces of fence offset
+ i = container.fence_offset;
+ while (i > 0 && ln.charCodeAt(offset) === C_SPACE) {
+ offset++;
+ i--;
+ }
+ break;
+
+ case 'HtmlBlock':
+ if (blank) {
+ all_matched = false;
+ }
+ break;
+
+ case 'Paragraph':
+ if (blank) {
+ container.last_line_blank = true;
+ all_matched = false;
+ }
+ break;
+
+ default:
+ }
+
+ if (!all_matched) {
+ container = container.parent; // back up to last matching block
+ break;
+ }
+ }
+
+ last_matched_container = container;
+
+ // This function is used to finalize and close any unmatched
+ // blocks. We aren't ready to do this now, because we might
+ // have a lazy paragraph continuation, in which case we don't
+ // want to close unmatched blocks. So we store this closure for
+ // use later, when we have more information.
+ var closeUnmatchedBlocks = function(mythis) {
+ // finalize any blocks not matched
+ while (!already_done && oldtip != last_matched_container) {
+ mythis.finalize(oldtip, line_number);
+ oldtip = oldtip.parent;
+ }
+ var already_done = true;
+ };
+
+ // Check to see if we've hit 2nd blank line; if so break out of list:
+ if (blank && container.last_line_blank) {
+ this.breakOutOfLists(container, line_number);
+ }
+
+ // Unless last matched container is a code block, try new container starts,
+ // adding children to the last matched container:
+ while (container.t != 'FencedCode' &&
+ container.t != 'IndentedCode' &&
+ container.t != 'HtmlBlock' &&
+ // this is a little performance optimization:
+ matchAt(/^[ #`~*+_=<>0-9-]/,ln,offset) !== null) {
+
+ match = matchAt(/[^ ]/, ln, offset);
+ if (match === null) {
+ first_nonspace = ln.length;
+ blank = true;
+ } else {
+ first_nonspace = match;
+ blank = false;
+ }
+ indent = first_nonspace - offset;
+
+ if (indent >= CODE_INDENT) {
+ // indented code
+ if (this.tip.t != 'Paragraph' && !blank) {
+ offset += CODE_INDENT;
+ closeUnmatchedBlocks(this);
+ container = this.addChild('IndentedCode', line_number, offset);
+ } else { // indent > 4 in a lazy paragraph continuation
+ break;
+ }
+
+ } else if (ln.charCodeAt(first_nonspace) === C_GREATERTHAN) {
+ // blockquote
+ offset = first_nonspace + 1;
+ // optional following space
+ if (ln.charCodeAt(offset) === C_SPACE) {
+ offset++;
+ }
+ closeUnmatchedBlocks(this);
+ container = this.addChild('BlockQuote', line_number, offset);
+
+ } else if ((match = ln.slice(first_nonspace).match(/^#{1,6}(?: +|$)/))) {
+ // ATX header
+ offset = first_nonspace + match[0].length;
+ closeUnmatchedBlocks(this);
+ container = this.addChild('ATXHeader', line_number, first_nonspace);
+ container.level = match[0].trim().length; // number of #s
+ // remove trailing ###s:
+ container.strings =
+ [ln.slice(offset).replace(/(?:(\\#) *#*| *#+) *$/,'$1')];
+ break;
+
+ } else if ((match = ln.slice(first_nonspace).match(/^`{3,}(?!.*`)|^~{3,}(?!.*~)/))) {
+ // fenced code block
+ var fence_length = match[0].length;
+ closeUnmatchedBlocks(this);
+ container = this.addChild('FencedCode', line_number, first_nonspace);
+ container.fence_length = fence_length;
+ container.fence_char = match[0][0];
+ container.fence_offset = first_nonspace - offset;
+ offset = first_nonspace + fence_length;
+ break;
+
+ } else if (matchAt(reHtmlBlockOpen, ln, first_nonspace) !== null) {
+ // html block
+ closeUnmatchedBlocks(this);
+ container = this.addChild('HtmlBlock', line_number, first_nonspace);
+ // note, we don't adjust offset because the tag is part of the text
+ break;
+
+ } else if (container.t == 'Paragraph' &&
+ container.strings.length === 1 &&
+ ((match = ln.slice(first_nonspace).match(/^(?:=+|-+) *$/)))) {
+ // setext header line
+ closeUnmatchedBlocks(this);
+ container.t = 'SetextHeader'; // convert Paragraph to SetextHeader
+ container.level = match[0][0] === '=' ? 1 : 2;
+ offset = ln.length;
+
+ } else if (matchAt(reHrule, ln, first_nonspace) !== null) {
+ // hrule
+ closeUnmatchedBlocks(this);
+ container = this.addChild('HorizontalRule', line_number, first_nonspace);
+ offset = ln.length - 1;
+ break;
+
+ } else if ((data = parseListMarker(ln, first_nonspace))) {
+ // list item
+ closeUnmatchedBlocks(this);
+ data.marker_offset = indent;
+ offset = first_nonspace + data.padding;
+
+ // add the list if needed
+ if (container.t !== 'List' ||
+ !(listsMatch(container.list_data, data))) {
+ container = this.addChild('List', line_number, first_nonspace);
+ container.list_data = data;
+ }
+
+ // add the list item
+ container = this.addChild('ListItem', line_number, first_nonspace);
+ container.list_data = data;
+
+ } else {
+ break;
+
+ }
+
+ if (acceptsLines(container.t)) {
+ // if it's a line container, it can't contain other containers
+ break;
+ }
+ }
+
+ // What remains at the offset is a text line. Add the text to the
+ // appropriate container.
+
+ match = matchAt(/[^ ]/, ln, offset);
+ if (match === null) {
+ first_nonspace = ln.length;
+ blank = true;
+ } else {
+ first_nonspace = match;
+ blank = false;
+ }
+ indent = first_nonspace - offset;
+
+ // First check for a lazy paragraph continuation:
+ if (this.tip !== last_matched_container &&
+ !blank &&
+ this.tip.t == 'Paragraph' &&
+ this.tip.strings.length > 0) {
+ // lazy paragraph continuation
+
+ this.last_line_blank = false;
+ this.addLine(ln, offset);
+
+ } else { // not a lazy continuation
+
+ // finalize any blocks not matched
+ closeUnmatchedBlocks(this);
+
+ // Block quote lines are never blank as they start with >
+ // and we don't count blanks in fenced code for purposes of tight/loose
+ // lists or breaking out of lists. We also don't set last_line_blank
+ // on an empty list item.
+ container.last_line_blank = blank &&
+ !(container.t == 'BlockQuote' ||
+ container.t == 'FencedCode' ||
+ (container.t == 'ListItem' &&
+ container.children.length === 0 &&
+ container.start_line == line_number));
+
+ var cont = container;
+ while (cont.parent) {
+ cont.parent.last_line_blank = false;
+ cont = cont.parent;
+ }
+
+ switch (container.t) {
+ case 'IndentedCode':
+ case 'HtmlBlock':
+ this.addLine(ln, offset);
+ break;
+
+ case 'FencedCode':
+ // check for closing code fence:
+ match = (indent <= 3 &&
+ ln.charAt(first_nonspace) == container.fence_char &&
+ ln.slice(first_nonspace).match(/^(?:`{3,}|~{3,})(?= *$)/));
+ if (match && match[0].length >= container.fence_length) {
+ // don't add closing fence to container; instead, close it:
+ this.finalize(container, line_number);
+ } else {
+ this.addLine(ln, offset);
+ }
+ break;
+
+ case 'ATXHeader':
+ case 'SetextHeader':
+ case 'HorizontalRule':
+ // nothing to do; we already added the contents.
+ break;
+
+ default:
+ if (acceptsLines(container.t)) {
+ this.addLine(ln, first_nonspace);
+ } else if (blank) {
+ // do nothing
+ } else if (container.t != 'HorizontalRule' &&
+ container.t != 'SetextHeader') {
+ // create paragraph container for line
+ container = this.addChild('Paragraph', line_number, first_nonspace);
+ this.addLine(ln, first_nonspace);
+ } else {
+ console.log("Line " + line_number.toString() +
+ " with container type " + container.t +
+ " did not match any condition.");
+
+ }
+ }
+ }
+ };
+
+ // Finalize a block. Close it and do any necessary postprocessing,
+ // e.g. creating string_content from strings, setting the 'tight'
+ // or 'loose' status of a list, and parsing the beginnings
+ // of paragraphs for reference definitions. Reset the tip to the
+ // parent of the closed block.
+ var finalize = function(block, line_number) {
+ var pos;
+ // don't do anything if the block is already closed
+ if (!block.open) {
+ return 0;
+ }
+ block.open = false;
+ if (line_number > block.start_line) {
+ block.end_line = line_number - 1;
+ } else {
+ block.end_line = line_number;
+ }
+
+ switch (block.t) {
+ case 'Paragraph':
+ block.string_content = block.strings.join('\n').replace(/^ */m,'');
+
+ // try parsing the beginning as link reference definitions:
+ while (block.string_content.charCodeAt(0) === C_OPEN_BRACKET &&
+ (pos = this.inlineParser.parseReference(block.string_content,
+ this.refmap))) {
+ block.string_content = block.string_content.slice(pos);
+ if (isBlank(block.string_content)) {
+ block.t = 'ReferenceDef';
+ break;
+ }
+ }
+ break;
+
+ case 'ATXHeader':
+ case 'SetextHeader':
+ case 'HtmlBlock':
+ block.string_content = block.strings.join('\n');
+ break;
+
+ case 'IndentedCode':
+ block.string_content = block.strings.join('\n').replace(/(\n *)*$/,'\n');
+ break;
+
+ case 'FencedCode':
+ // first line becomes info string
+ block.info = unescapeEntBS(block.strings[0].trim());
+ if (block.strings.length == 1) {
+ block.string_content = '';
+ } else {
+ block.string_content = block.strings.slice(1).join('\n') + '\n';
+ }
+ break;
+
+ case 'List':
+ block.tight = true; // tight by default
+
+ var numitems = block.children.length;
+ var i = 0;
+ while (i < numitems) {
+ var item = block.children[i];
+ // check for non-final list item ending with blank line:
+ var last_item = i == numitems - 1;
+ if (endsWithBlankLine(item) && !last_item) {
+ block.tight = false;
+ break;
+ }
+ // recurse into children of list item, to see if there are
+ // spaces between any of them:
+ var numsubitems = item.children.length;
+ var j = 0;
+ while (j < numsubitems) {
+ var subitem = item.children[j];
+ var last_subitem = j == numsubitems - 1;
+ if (endsWithBlankLine(subitem) && !(last_item && last_subitem)) {
+ block.tight = false;
+ break;
+ }
+ j++;
+ }
+ i++;
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ this.tip = block.parent || this.top;
+ };
+
+ // Walk through a block & children recursively, parsing string content
+ // into inline content where appropriate.
+ var processInlines = function(block) {
+ switch(block.t) {
+ case 'Paragraph':
+ case 'SetextHeader':
+ case 'ATXHeader':
+ block.inline_content =
+ this.inlineParser.parse(block.string_content.trim(), this.refmap);
+ block.string_content = "";
+ break;
+ default:
+ break;
+ }
+
+ if (block.children) {
+ for (var i = 0; i < block.children.length; i++) {
+ this.processInlines(block.children[i]);
+ }
+ }
+
+ };
+
+ // The main parsing function. Returns a parsed document AST.
+ var parse = function(input) {
+ this.doc = makeBlock('Document', 1, 1);
+ this.tip = this.doc;
+ this.refmap = {};
+ var lines = input.replace(/\n$/,'').split(/\r\n|\n|\r/);
+ var len = lines.length;
+ for (var i = 0; i < len; i++) {
+ this.incorporateLine(lines[i], i+1);
+ }
+ while (this.tip) {
+ this.finalize(this.tip, len - 1);
+ }
+ this.processInlines(this.doc);
+ return this.doc;
+ };
+
+
+ // The DocParser object.
+ function DocParser(){
+ return {
+ doc: makeBlock('Document', 1, 1),
+ tip: this.doc,
+ refmap: {},
+ inlineParser: new InlineParser(),
+ breakOutOfLists: breakOutOfLists,
+ addLine: addLine,
+ addChild: addChild,
+ incorporateLine: incorporateLine,
+ finalize: finalize,
+ processInlines: processInlines,
+ parse: parse
+ };
}
- }
- if (contents) {
- result = result.concat('>', contents, '</', tag, '>');
- } else if (selfclosing) {
- result = result + ' />';
- } else {
- result = result.concat('></', tag, '>');
- }
- return result;
-};
-
-// Render an inline element as HTML.
-var renderInline = function(inline) {
- var attrs;
- switch (inline.t) {
- case 'Str':
- return this.escape(inline.c);
- case 'Softbreak':
- return this.softbreak;
- case 'Hardbreak':
- return inTags('br',[],"",true) + '\n';
- case 'Emph':
- return inTags('em', [], this.renderInlines(inline.c));
- case 'Strong':
- return inTags('strong', [], this.renderInlines(inline.c));
- case 'Html':
- return inline.c;
- case 'Entity':
- return inline.c;
- case 'Link':
- attrs = [['href', this.escape(inline.destination, true)]];
- if (inline.title) {
- attrs.push(['title', this.escape(inline.title, true)]);
- }
- return inTags('a', attrs, this.renderInlines(inline.label));
- case 'Image':
- attrs = [['src', this.escape(inline.destination, true)],
- ['alt', this.escape(this.renderInlines(inline.label))]];
- if (inline.title) {
- attrs.push(['title', this.escape(inline.title, true)]);
- }
- return inTags('img', attrs, "", true);
- case 'Code':
- return inTags('code', [], this.escape(inline.c));
- default:
- console.log("Uknown inline type " + inline.t);
- return "";
- }
-};
-
-// Render a list of inlines.
-var renderInlines = function(inlines) {
- var result = '';
- for (var i=0; i < inlines.length; i++) {
- result = result + this.renderInline(inlines[i]);
- }
- return result;
-};
-
-// Render a single block element.
-var renderBlock = function(block, in_tight_list) {
- var tag;
- var attr;
- var info_words;
- switch (block.t) {
- case 'Document':
- var whole_doc = this.renderBlocks(block.children);
- return (whole_doc === '' ? '' : whole_doc + '\n');
- case 'Paragraph':
- if (in_tight_list) {
- return this.renderInlines(block.inline_content);
- } else {
- return inTags('p', [], this.renderInlines(block.inline_content));
- }
- break;
- case 'BlockQuote':
- var filling = this.renderBlocks(block.children);
- return inTags('blockquote', [], filling === '' ? this.innersep :
- this.innersep + this.renderBlocks(block.children) + this.innersep);
- case 'ListItem':
- return inTags('li', [], this.renderBlocks(block.children, in_tight_list).trim());
- case 'List':
- tag = block.list_data.type == 'Bullet' ? 'ul' : 'ol';
- attr = (!block.list_data.start || block.list_data.start == 1) ?
- [] : [['start', block.list_data.start.toString()]];
- return inTags(tag, attr, this.innersep +
- this.renderBlocks(block.children, block.tight) +
- this.innersep);
- case 'ATXHeader':
- case 'SetextHeader':
- tag = 'h' + block.level;
- return inTags(tag, [], this.renderInlines(block.inline_content));
- case 'IndentedCode':
- return inTags('pre', [],
- inTags('code', [], this.escape(block.string_content)));
- case 'FencedCode':
- info_words = block.info.split(/ +/);
- attr = info_words.length === 0 || info_words[0].length === 0 ?
- [] : [['class','language-' +
- this.escape(info_words[0],true)]];
- return inTags('pre', [],
- inTags('code', attr, this.escape(block.string_content)));
- case 'HtmlBlock':
- return block.string_content;
- case 'ReferenceDef':
- return "";
- case 'HorizontalRule':
- return inTags('hr',[],"",true);
- default:
- console.log("Uknown block type " + block.t);
- return "";
- }
-};
-
-// Render a list of block elements, separated by this.blocksep.
-var renderBlocks = function(blocks, in_tight_list) {
- var result = [];
- for (var i=0; i < blocks.length; i++) {
- if (blocks[i].t !== 'ReferenceDef') {
- result.push(this.renderBlock(blocks[i], in_tight_list));
+
+ // HTML RENDERER
+
+ // Helper function to produce content in a pair of HTML tags.
+ var inTags = function(tag, attribs, contents, selfclosing) {
+ var result = '<' + tag;
+ if (attribs) {
+ var i = 0;
+ var attrib;
+ while ((attrib = attribs[i]) !== undefined) {
+ result = result.concat(' ', attrib[0], '="', attrib[1], '"');
+ i++;
+ }
+ }
+ if (contents) {
+ result = result.concat('>', contents, '</', tag, '>');
+ } else if (selfclosing) {
+ result = result + ' />';
+ } else {
+ result = result.concat('></', tag, '>');
+ }
+ return result;
+ };
+
+ // Render an inline element as HTML.
+ var renderInline = function(inline) {
+ var attrs;
+ switch (inline.t) {
+ case 'Str':
+ return this.escape(inline.c);
+ case 'Softbreak':
+ return this.softbreak;
+ case 'Hardbreak':
+ return inTags('br',[],"",true) + '\n';
+ case 'Emph':
+ return inTags('em', [], this.renderInlines(inline.c));
+ case 'Strong':
+ return inTags('strong', [], this.renderInlines(inline.c));
+ case 'Html':
+ return inline.c;
+ case 'Link':
+ attrs = [['href', this.escape(inline.destination, true)]];
+ if (inline.title) {
+ attrs.push(['title', this.escape(inline.title, true)]);
+ }
+ return inTags('a', attrs, this.renderInlines(inline.label));
+ case 'Image':
+ attrs = [['src', this.escape(inline.destination, true)],
+ ['alt', this.escape(this.renderInlines(inline.label))]];
+ if (inline.title) {
+ attrs.push(['title', this.escape(inline.title, true)]);
+ }
+ return inTags('img', attrs, "", true);
+ case 'Code':
+ return inTags('code', [], this.escape(inline.c));
+ default:
+ console.log("Unknown inline type " + inline.t);
+ return "";
+ }
+ };
+
+ // Render a list of inlines.
+ var renderInlines = function(inlines) {
+ var result = '';
+ for (var i=0; i < inlines.length; i++) {
+ result = result + this.renderInline(inlines[i]);
+ }
+ return result;
+ };
+
+ // Render a single block element.
+ var renderBlock = function(block, in_tight_list) {
+ var tag;
+ var attr;
+ var info_words;
+ switch (block.t) {
+ case 'Document':
+ var whole_doc = this.renderBlocks(block.children);
+ return (whole_doc === '' ? '' : whole_doc + '\n');
+ case 'Paragraph':
+ if (in_tight_list) {
+ return this.renderInlines(block.inline_content);
+ } else {
+ return inTags('p', [], this.renderInlines(block.inline_content));
+ }
+ break;
+ case 'BlockQuote':
+ var filling = this.renderBlocks(block.children);
+ return inTags('blockquote', [], filling === '' ? this.innersep :
+ this.innersep + filling + this.innersep);
+ case 'ListItem':
+ return inTags('li', [], this.renderBlocks(block.children, in_tight_list).trim());
+ case 'List':
+ tag = block.list_data.type == 'Bullet' ? 'ul' : 'ol';
+ attr = (!block.list_data.start || block.list_data.start == 1) ?
+ [] : [['start', block.list_data.start.toString()]];
+ return inTags(tag, attr, this.innersep +
+ this.renderBlocks(block.children, block.tight) +
+ this.innersep);
+ case 'ATXHeader':
+ case 'SetextHeader':
+ tag = 'h' + block.level;
+ return inTags(tag, [], this.renderInlines(block.inline_content));
+ case 'IndentedCode':
+ return inTags('pre', [],
+ inTags('code', [], this.escape(block.string_content)));
+ case 'FencedCode':
+ info_words = block.info.split(/ +/);
+ attr = info_words.length === 0 || info_words[0].length === 0 ?
+ [] : [['class','language-' +
+ this.escape(info_words[0],true)]];
+ return inTags('pre', [],
+ inTags('code', attr, this.escape(block.string_content)));
+ case 'HtmlBlock':
+ return block.string_content;
+ case 'ReferenceDef':
+ return "";
+ case 'HorizontalRule':
+ return inTags('hr',[],"",true);
+ default:
+ console.log("Unknown block type " + block.t);
+ return "";
+ }
+ };
+
+ // Render a list of block elements, separated by this.blocksep.
+ var renderBlocks = function(blocks, in_tight_list) {
+ var result = [];
+ for (var i=0; i < blocks.length; i++) {
+ if (blocks[i].t !== 'ReferenceDef') {
+ result.push(this.renderBlock(blocks[i], in_tight_list));
+ }
+ }
+ return result.join(this.blocksep);
+ };
+
+ // The HtmlRenderer object.
+ function HtmlRenderer(){
+ return {
+ // default options:
+ blocksep: '\n', // space between blocks
+ innersep: '\n', // space between block container tag and contents
+ softbreak: '\n', // by default, soft breaks are rendered as newlines in HTML
+ // set to "<br />" to make them hard breaks
+ // set to " " if you want to ignore line wrapping in source
+ escape: function(s, preserve_entities) {
+ if (preserve_entities) {
+ return s.replace(/[&](?![#](x[a-f0-9]{1,8}|[0-9]{1,8});|[a-z][a-z0-9]{1,31};)/gi,'&amp;')
+ .replace(/[<]/g,'&lt;')
+ .replace(/[>]/g,'&gt;')
+ .replace(/["]/g,'&quot;');
+ } else {
+ return s.replace(/[&]/g,'&amp;')
+ .replace(/[<]/g,'&lt;')
+ .replace(/[>]/g,'&gt;')
+ .replace(/["]/g,'&quot;');
+ }
+ },
+ renderInline: renderInline,
+ renderInlines: renderInlines,
+ renderBlock: renderBlock,
+ renderBlocks: renderBlocks,
+ render: renderBlock
+ };
}
- }
- return result.join(this.blocksep);
-};
-
-// The HtmlRenderer object.
-function HtmlRenderer(){
- return {
- // default options:
- blocksep: '\n', // space between blocks
- innersep: '\n', // space between block container tag and contents
- softbreak: '\n', // by default, soft breaks are rendered as newlines in HTML
- // set to "<br />" to make them hard breaks
- // set to " " if you want to ignore line wrapping in source
- escape: function(s, preserve_entities) {
- if (preserve_entities) {
- return s.replace(/[&](?![#](x[a-f0-9]{1,8}|[0-9]{1,8});|[a-z][a-z0-9]{1,31};)/gi,'&amp;')
- .replace(/[<]/g,'&lt;')
- .replace(/[>]/g,'&gt;')
- .replace(/["]/g,'&quot;');
- } else {
- return s.replace(/[&]/g,'&amp;')
- .replace(/[<]/g,'&lt;')
- .replace(/[>]/g,'&gt;')
- .replace(/["]/g,'&quot;');
- }
- },
- renderInline: renderInline,
- renderInlines: renderInlines,
- renderBlock: renderBlock,
- renderBlocks: renderBlocks,
- render: renderBlock
- };
-}
-
-exports.DocParser = DocParser;
-exports.HtmlRenderer = HtmlRenderer;
+
+ exports.DocParser = DocParser;
+ exports.HtmlRenderer = HtmlRenderer;
})(typeof exports === 'undefined' ? this.stmd = {} : exports);