From 11011d7c373c655830053b155eeaf632c2658ac7 Mon Sep 17 00:00:00 2001 From: Yuchen Pei Date: Thu, 24 Jun 2021 17:50:34 +1000 Subject: Updated. - added mathjax (freed) - added rss.py - updated publish.el - etc. --- js/mathjax/extensions/TeX/mhchem3/mhchem.js | 1776 +++++++++++++++++++++++++++ 1 file changed, 1776 insertions(+) create mode 100644 js/mathjax/extensions/TeX/mhchem3/mhchem.js (limited to 'js/mathjax/extensions/TeX/mhchem3') diff --git a/js/mathjax/extensions/TeX/mhchem3/mhchem.js b/js/mathjax/extensions/TeX/mhchem3/mhchem.js new file mode 100644 index 0000000..2caa810 --- /dev/null +++ b/js/mathjax/extensions/TeX/mhchem3/mhchem.js @@ -0,0 +1,1776 @@ +// @license magnet:?xt=urn:btih:8e4f440f4c65981c5bf93c76d35135ba5064d8b7dn=apache-2.0.txt Apache-2.0 +/* -*- Mode: Javascript; indent-tabs-mode:nil; js-indent-level: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ + +/************************************************************* + * + * MathJax/extensions/TeX/mhchem.js + * + * Implements the \ce command for handling chemical formulas + * from the mhchem LaTeX package. + * + * --------------------------------------------------------------------- + * + * Copyright (c) 2011-2015 The MathJax Consortium + * Copyright (c) 2015-2019 Martin Hensel + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +// Coding Style +// - use '' for identifiers that can by minified/uglified +// - use "" for strings that need to stay untouched + + +MathJax.Extension["TeX/mhchem"] = { + version: "3.3.2" +}; + +MathJax.Hub.Register.StartupHook("TeX Jax Ready", function () { + + var TEX = MathJax.InputJax.TeX; + + // + // This is the main class for handing the \ce and related commands. + // Its main method is Parse() which takes the argument to \ce and + // returns the corresponding TeX string. + // + + var CE = MathJax.Object.Subclass({ + string: "", // the \ce string being parsed + + // + // Store the string when a CE object is created + // + Init: function (string) { this.string = string; }, + + // + // This converts the CE string to a TeX string. + // + Parse: function (stateMachine) { + try { + return texify.go(mhchemParser.go(this.string, stateMachine)); + } catch (ex) { + TEX.Error(ex); + } + } + }); + + // + // Core parser for mhchem syntax (recursive) + // + /** @type {MhchemParser} */ + var mhchemParser = { + // + // Parses mchem \ce syntax + // + // Call like + // go("H2O"); + // + go: function (input, stateMachine) { + if (!input) { return []; } + if (stateMachine === undefined) { stateMachine = 'ce'; } + var state = '0'; + + // + // String buffers for parsing: + // + // buffer.a == amount + // buffer.o == element + // buffer.b == left-side superscript + // buffer.p == left-side subscript + // buffer.q == right-side subscript + // buffer.d == right-side superscript + // + // buffer.r == arrow + // buffer.rdt == arrow, script above, type + // buffer.rd == arrow, script above, content + // buffer.rqt == arrow, script below, type + // buffer.rq == arrow, script below, content + // + // buffer.text_ + // buffer.rm + // etc. + // + // buffer.parenthesisLevel == int, starting at 0 + // buffer.sb == bool, space before + // buffer.beginsWithBond == bool + // + // These letters are also used as state names. + // + // Other states: + // 0 == begin of main part (arrow/operator unlikely) + // 1 == next entity + // 2 == next entity (arrow/operator unlikely) + // 3 == next atom + // c == macro + // + /** @type {Buffer} */ + var buffer = {}; + buffer['parenthesisLevel'] = 0; + + input = input.replace(/\n/g, " "); + input = input.replace(/[\u2212\u2013\u2014\u2010]/g, "-"); + input = input.replace(/[\u2026]/g, "..."); + + // + // Looks through mhchemParser.transitions, to execute a matching action + // (recursive) + // + var lastInput; + var watchdog = 10; + /** @type {ParserOutput[]} */ + var output = []; + while (true) { + if (lastInput !== input) { + watchdog = 10; + lastInput = input; + } else { + watchdog--; + } + // + // Find actions in transition table + // + var machine = mhchemParser.stateMachines[stateMachine]; + var t = machine.transitions[state] || machine.transitions['*']; + iterateTransitions: + for (var i=0; i 0) { + if (!task.revisit) { + input = matches.remainder; + } + if (!task.toContinue) { + break iterateTransitions; + } + } else { + return output; + } + } + } + // + // Prevent infinite loop + // + if (watchdog <= 0) { + throw ["MhchemBugU", "mhchem bug U. Please report."]; // Unexpected character + } + } + }, + concatArray: function (a, b) { + if (b) { + if (Object.prototype.toString.call(b) === "[object Array]") { // Array.isArray(b) + for (var iB=0; iB': /^[=<>]/, + '#': /^[#\u2261]/, + '+': /^\+/, + '-$': /^-(?=[\s_},;\]/]|$|\([a-z]+\))/, // -space -, -; -] -/ -$ -state-of-aggregation + '-9': /^-(?=[0-9])/, + '- orbital overlap': /^-(?=(?:[spd]|sp)(?:$|[\s,;\)\]\}]))/, + '-': /^-/, + 'pm-operator': /^(?:\\pm|\$\\pm\$|\+-|\+\/-)/, + 'operator': /^(?:\+|(?:[\-=<>]|<<|>>|\\approx|\$\\approx\$)(?=\s|$|-?[0-9]))/, + 'arrowUpDown': /^(?:v|\(v\)|\^|\(\^\))(?=$|[\s,;\)\]\}])/, + '\\bond{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\bond{", "", "", "}"); }, + '->': /^(?:<->|<-->|->|<-|<=>>|<<=>|<=>|[\u2192\u27F6\u21CC])/, + 'CMT': /^[CMT](?=\[)/, + '[(...)]': function (input) { return mhchemParser.patterns.findObserveGroups(input, "[", "", "", "]"); }, + '1st-level escape': /^(&|\\\\|\\hline)\s*/, + '\\,': /^(?:\\[,\ ;:])/, // \\x - but output no space before + '\\x{}{}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "", /^\\[a-zA-Z]+\{/, "}", "", "", "{", "}", "", true); }, + '\\x{}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "", /^\\[a-zA-Z]+\{/, "}", ""); }, + '\\ca': /^\\ca(?:\s+|(?![a-zA-Z]))/, + '\\x': /^(?:\\[a-zA-Z]+\s*|\\[_&{}%])/, + 'orbital': /^(?:[0-9]{1,2}[spdfgh]|[0-9]{0,2}sp)(?=$|[^a-zA-Z])/, // only those with numbers in front, because the others will be formatted correctly anyway + 'others': /^[\/~|]/, + '\\frac{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\frac{", "", "", "}", "{", "", "", "}"); }, + '\\overset{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\overset{", "", "", "}", "{", "", "", "}"); }, + '\\underset{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\underset{", "", "", "}", "{", "", "", "}"); }, + '\\underbrace{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\underbrace{", "", "", "}_", "{", "", "", "}"); }, + '\\color{(...)}0': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\color{", "", "", "}"); }, + '\\color{(...)}{(...)}1': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\color{", "", "", "}", "{", "", "", "}"); }, + '\\color(...){(...)}2': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\color", "\\", "", /^(?=\{)/, "{", "", "", "}"); }, + '\\ce{(...)}': function (input) { return mhchemParser.patterns.findObserveGroups(input, "\\ce{", "", "", "}"); }, + 'oxidation$': /^(?:[+-][IVX]+|\\pm\s*0|\$\\pm\$\s*0)$/, + 'd-oxidation$': /^(?:[+-]?\s?[IVX]+|\\pm\s*0|\$\\pm\$\s*0)$/, // 0 could be oxidation or charge + 'roman numeral': /^[IVX]+/, + '1/2$': /^[+\-]?(?:[0-9]+|\$[a-z]\$|[a-z])\/[0-9]+(?:\$[a-z]\$|[a-z])?$/, + 'amount': function (input) { + var match; + // e.g. 2, 0.5, 1/2, -2, n/2, +; $a$ could be added later in parsing + match = input.match(/^(?:(?:(?:\([+\-]?[0-9]+\/[0-9]+\)|[+\-]?(?:[0-9]+|\$[a-z]\$|[a-z])\/[0-9]+|[+\-]?[0-9]+[.,][0-9]+|[+\-]?\.[0-9]+|[+\-]?[0-9]+)(?:[a-z](?=\s*[A-Z]))?)|[+\-]?[a-z](?=\s*[A-Z])|\+(?!\s))/); + if (match) { + return { match_: match[0], remainder: input.substr(match[0].length) }; + } + var a = mhchemParser.patterns.findObserveGroups(input, "", "$", "$", ""); + if (a) { // e.g. $2n-1$, $-$ + match = a.match_.match(/^\$(?:\(?[+\-]?(?:[0-9]*[a-z]?[+\-])?[0-9]*[a-z](?:[+\-][0-9]*[a-z]?)?\)?|\+|-)\$$/); + if (match) { + return { match_: match[0], remainder: input.substr(match[0].length) }; + } + } + return null; + }, + 'amount2': function (input) { return this['amount'](input); }, + '(KV letters),': /^(?:[A-Z][a-z]{0,2}|i)(?=,)/, + 'formula$': function (input) { + if (input.match(/^\([a-z]+\)$/)) { return null; } // state of aggregation = no formula + var match = input.match(/^(?:[a-z]|(?:[0-9\ \+\-\,\.\(\)]+[a-z])+[0-9\ \+\-\,\.\(\)]*|(?:[a-z][0-9\ \+\-\,\.\(\)]+)+[a-z]?)$/); + if (match) { + return { match_: match[0], remainder: input.substr(match[0].length) }; + } + return null; + }, + 'uprightEntities': /^(?:pH|pOH|pC|pK|iPr|iBu)(?=$|[^a-zA-Z])/, + '/': /^\s*(\/)\s*/, + '//': /^\s*(\/\/)\s*/, + '*': /^\s*[*.]\s*/ + }, + findObserveGroups: function (input, begExcl, begIncl, endIncl, endExcl, beg2Excl, beg2Incl, end2Incl, end2Excl, combine) { + /** @type {{(input: string, pattern: string | RegExp): string | string[] | null;}} */ + var _match = function (input, pattern) { + if (typeof pattern === "string") { + if (input.indexOf(pattern) !== 0) { return null; } + return pattern; + } else { + var match = input.match(pattern); + if (!match) { return null; } + return match[0]; + } + }; + /** @type {{(input: string, i: number, endChars: string | RegExp): {endMatchBegin: number, endMatchEnd: number} | null;}} */ + var _findObserveGroups = function (input, i, endChars) { + var braces = 0; + while (i < input.length) { + var a = input.charAt(i); + var match = _match(input.substr(i), endChars); + if (match !== null && braces === 0) { + return { endMatchBegin: i, endMatchEnd: i + match.length }; + } else if (a === "{") { + braces++; + } else if (a === "}") { + if (braces === 0) { + throw ["ExtraCloseMissingOpen", "Extra close brace or missing open brace"]; + } else { + braces--; + } + } + i++; + } + if (braces > 0) { + return null; + } + return null; + }; + var match = _match(input, begExcl); + if (match === null) { return null; } + input = input.substr(match.length); + match = _match(input, begIncl); + if (match === null) { return null; } + var e = _findObserveGroups(input, match.length, endIncl || endExcl); + if (e === null) { return null; } + var match1 = input.substring(0, (endIncl ? e.endMatchEnd : e.endMatchBegin)); + if (!(beg2Excl || beg2Incl)) { + return { + match_: match1, + remainder: input.substr(e.endMatchEnd) + }; + } else { + var group2 = this.findObserveGroups(input.substr(e.endMatchEnd), beg2Excl, beg2Incl, end2Incl, end2Excl); + if (group2 === null) { return null; } + /** @type {string[]} */ + var matchRet = [match1, group2.match_]; + return { + match_: (combine ? matchRet.join("") : matchRet), + remainder: group2.remainder + }; + } + }, + + // + // Matching function + // e.g. match("a", input) will look for the regexp called "a" and see if it matches + // returns null or {match_:"a", remainder:"bc"} + // + match_: function (m, input) { + var pattern = mhchemParser.patterns.patterns[m]; + if (pattern === undefined) { + throw ["MhchemBugP", "mhchem bug P. Please report. (" + m + ")"]; // Trying to use non-existing pattern + } else if (typeof pattern === "function") { + return mhchemParser.patterns.patterns[m](input); // cannot use cached var pattern here, because some pattern functions need this===mhchemParser + } else { // RegExp + var match = input.match(pattern); + if (match) { + var mm; + if (match[2]) { + mm = [ match[1], match[2] ]; + } else if (match[1]) { + mm = match[1]; + } else { + mm = match[0]; + } + return { match_: mm, remainder: input.substr(match[0].length) }; + } + return null; + } + } + }, + + // + // Generic state machine actions + // + actions: { + 'a=': function (buffer, m) { buffer.a = (buffer.a || "") + m; }, + 'b=': function (buffer, m) { buffer.b = (buffer.b || "") + m; }, + 'p=': function (buffer, m) { buffer.p = (buffer.p || "") + m; }, + 'o=': function (buffer, m) { buffer.o = (buffer.o || "") + m; }, + 'q=': function (buffer, m) { buffer.q = (buffer.q || "") + m; }, + 'd=': function (buffer, m) { buffer.d = (buffer.d || "") + m; }, + 'rm=': function (buffer, m) { buffer.rm = (buffer.rm || "") + m; }, + 'text=': function (buffer, m) { buffer.text_ = (buffer.text_ || "") + m; }, + 'insert': function (buffer, m, a) { return { type_: a }; }, + 'insert+p1': function (buffer, m, a) { return { type_: a, p1: m }; }, + 'insert+p1+p2': function (buffer, m, a) { return { type_: a, p1: m[0], p2: m[1] }; }, + 'copy': function (buffer, m) { return m; }, + 'rm': function (buffer, m) { return { type_: 'rm', p1: m || ""}; }, + 'text': function (buffer, m) { return mhchemParser.go(m, 'text'); }, + '{text}': function (buffer, m) { + var ret = [ "{" ]; + mhchemParser.concatArray(ret, mhchemParser.go(m, 'text')); + ret.push("}"); + return ret; + }, + 'tex-math': function (buffer, m) { return mhchemParser.go(m, 'tex-math'); }, + 'tex-math tight': function (buffer, m) { return mhchemParser.go(m, 'tex-math tight'); }, + 'bond': function (buffer, m, k) { return { type_: 'bond', kind_: k || m }; }, + 'color0-output': function (buffer, m) { return { type_: 'color0', color: m[0] }; }, + 'ce': function (buffer, m) { return mhchemParser.go(m); }, + '1/2': function (buffer, m) { + /** @type {ParserOutput[]} */ + var ret = []; + if (m.match(/^[+\-]/)) { + ret.push(m.substr(0, 1)); + m = m.substr(1); + } + var n = m.match(/^([0-9]+|\$[a-z]\$|[a-z])\/([0-9]+)(\$[a-z]\$|[a-z])?$/); + n[1] = n[1].replace(/\$/g, ""); + ret.push({ type_: 'frac', p1: n[1], p2: n[2] }); + if (n[3]) { + n[3] = n[3].replace(/\$/g, ""); + ret.push({ type_: 'tex-math', p1: n[3] }); + } + return ret; + }, + '9,9': function (buffer, m) { return mhchemParser.go(m, '9,9'); } + }, + // + // createTransitions + // convert { 'letter': { 'state': { action_: 'output' } } } to { 'state' => [ { pattern: 'letter', task: { action_: [{type_: 'output'}] } } ] } + // with expansion of 'a|b' to 'a' and 'b' (at 2 places) + // + createTransitions: function (o) { + var pattern, state; + /** @type {string[]} */ + var stateArray; + var i; + // + // 1. Collect all states + // + /** @type {Transitions} */ + var transitions = {}; + for (pattern in o) { + for (state in o[pattern]) { + stateArray = state.split("|"); + o[pattern][state].stateArray = stateArray; + for (i=0; i': { + '0|1|2|3': { action_: 'r=', nextState: 'r' }, + 'a|as': { action_: [ 'output', 'r=' ], nextState: 'r' }, + '*': { action_: [ 'output', 'r=' ], nextState: 'r' } }, + '+': { + 'o': { action_: 'd= kv', nextState: 'd' }, + 'd|D': { action_: 'd=', nextState: 'd' }, + 'q': { action_: 'd=', nextState: 'qd' }, + 'qd|qD': { action_: 'd=', nextState: 'qd' }, + 'dq': { action_: [ 'output', 'd=' ], nextState: 'd' }, + '3': { action_: [ 'sb=false', 'output', 'operator' ], nextState: '0' } }, + 'amount': { + '0|2': { action_: 'a=', nextState: 'a' } }, + 'pm-operator': { + '0|1|2|a|as': { action_: [ 'sb=false', 'output', { type_: 'operator', option: '\\pm' } ], nextState: '0' } }, + 'operator': { + '0|1|2|a|as': { action_: [ 'sb=false', 'output', 'operator' ], nextState: '0' } }, + '-$': { + 'o|q': { action_: [ 'charge or bond', 'output' ], nextState: 'qd' }, + 'd': { action_: 'd=', nextState: 'd' }, + 'D': { action_: [ 'output', { type_: 'bond', option: "-" } ], nextState: '3' }, + 'q': { action_: 'd=', nextState: 'qd' }, + 'qd': { action_: 'd=', nextState: 'qd' }, + 'qD|dq': { action_: [ 'output', { type_: 'bond', option: "-" } ], nextState: '3' } }, + '-9': { + '3|o': { action_: [ 'output', { type_: 'insert', option: 'hyphen' } ], nextState: '3' } }, + '- orbital overlap': { + 'o': { action_: [ 'output', { type_: 'insert', option: 'hyphen' } ], nextState: '2' }, + 'd': { action_: [ 'output', { type_: 'insert', option: 'hyphen' } ], nextState: '2' } }, + '-': { + '0|1|2': { action_: [ { type_: 'output', option: 1 }, 'beginsWithBond=true', { type_: 'bond', option: "-" } ], nextState: '3' }, + '3': { action_: { type_: 'bond', option: "-" } }, + 'a': { action_: [ 'output', { type_: 'insert', option: 'hyphen' } ], nextState: '2' }, + 'as': { action_: [ { type_: 'output', option: 2 }, { type_: 'bond', option: "-" } ], nextState: '3' }, + 'b': { action_: 'b=' }, + 'o': { action_: { type_: '- after o/d', option: false }, nextState: '2' }, + 'q': { action_: { type_: '- after o/d', option: false }, nextState: '2' }, + 'd|qd|dq': { action_: { type_: '- after o/d', option: true }, nextState: '2' }, + 'D|qD|p': { action_: [ 'output', { type_: 'bond', option: "-" } ], nextState: '3' } }, + 'amount2': { + '1|3': { action_: 'a=', nextState: 'a' } }, + 'letters': { + '0|1|2|3|a|as|b|p|bp|o': { action_: 'o=', nextState: 'o' }, + 'q|dq': { action_: ['output', 'o='], nextState: 'o' }, + 'd|D|qd|qD': { action_: 'o after d', nextState: 'o' } }, + 'digits': { + 'o': { action_: 'q=', nextState: 'q' }, + 'd|D': { action_: 'q=', nextState: 'dq' }, + 'q': { action_: [ 'output', 'o=' ], nextState: 'o' }, + 'a': { action_: 'o=', nextState: 'o' } }, + 'space A': { + 'b|p|bp': {} }, + 'space': { + 'a': { nextState: 'as' }, + '0': { action_: 'sb=false' }, + '1|2': { action_: 'sb=true' }, + 'r|rt|rd|rdt|rdq': { action_: 'output', nextState: '0' }, + '*': { action_: [ 'output', 'sb=true' ], nextState: '1'} }, + '1st-level escape': { + '1|2': { action_: [ 'output', { type_: 'insert+p1', option: '1st-level escape' } ] }, + '*': { action_: [ 'output', { type_: 'insert+p1', option: '1st-level escape' } ], nextState: '0' } }, + '[(...)]': { + 'r|rt': { action_: 'rd=', nextState: 'rd' }, + 'rd|rdt': { action_: 'rq=', nextState: 'rdq' } }, + '...': { + 'o|d|D|dq|qd|qD': { action_: [ 'output', { type_: 'bond', option: "..." } ], nextState: '3' }, + '*': { action_: [ { type_: 'output', option: 1 }, { type_: 'insert', option: 'ellipsis' } ], nextState: '1' } }, + '. |* ': { + '*': { action_: [ 'output', { type_: 'insert', option: 'addition compound' } ], nextState: '1' } }, + 'state of aggregation $': { + '*': { action_: [ 'output', 'state of aggregation' ], nextState: '1' } }, + '{[(': { + 'a|as|o': { action_: [ 'o=', 'output', 'parenthesisLevel++' ], nextState: '2' }, + '0|1|2|3': { action_: [ 'o=', 'output', 'parenthesisLevel++' ], nextState: '2' }, + '*': { action_: [ 'output', 'o=', 'output', 'parenthesisLevel++' ], nextState: '2' } }, + ')]}': { + '0|1|2|3|b|p|bp|o': { action_: [ 'o=', 'parenthesisLevel--' ], nextState: 'o' }, + 'a|as|d|D|q|qd|qD|dq': { action_: [ 'output', 'o=', 'parenthesisLevel--' ], nextState: 'o' } }, + ', ': { + '*': { action_: [ 'output', 'comma' ], nextState: '0' } }, + '^_': { // ^ and _ without a sensible argument + '*': { } }, + '^{(...)}|^($...$)': { + '0|1|2|as': { action_: 'b=', nextState: 'b' }, + 'p': { action_: 'b=', nextState: 'bp' }, + '3|o': { action_: 'd= kv', nextState: 'D' }, + 'q': { action_: 'd=', nextState: 'qD' }, + 'd|D|qd|qD|dq': { action_: [ 'output', 'd=' ], nextState: 'D' } }, + '^a|^\\x{}{}|^\\x{}|^\\x|\'': { + '0|1|2|as': { action_: 'b=', nextState: 'b' }, + 'p': { action_: 'b=', nextState: 'bp' }, + '3|o': { action_: 'd= kv', nextState: 'd' }, + 'q': { action_: 'd=', nextState: 'qd' }, + 'd|qd|D|qD': { action_: 'd=' }, + 'dq': { action_: [ 'output', 'd=' ], nextState: 'd' } }, + '_{(state of aggregation)}$': { + 'd|D|q|qd|qD|dq': { action_: [ 'output', 'q=' ], nextState: 'q' } }, + '_{(...)}|_($...$)|_9|_\\x{}{}|_\\x{}|_\\x': { + '0|1|2|as': { action_: 'p=', nextState: 'p' }, + 'b': { action_: 'p=', nextState: 'bp' }, + '3|o': { action_: 'q=', nextState: 'q' }, + 'd|D': { action_: 'q=', nextState: 'dq' }, + 'q|qd|qD|dq': { action_: [ 'output', 'q=' ], nextState: 'q' } }, + '=<>': { + '0|1|2|3|a|as|o|q|d|D|qd|qD|dq': { action_: [ { type_: 'output', option: 2 }, 'bond' ], nextState: '3' } }, + '#': { + '0|1|2|3|a|as|o': { action_: [ { type_: 'output', option: 2 }, { type_: 'bond', option: "#" } ], nextState: '3' } }, + '{}': { + '*': { action_: { type_: 'output', option: 1 }, nextState: '1' } }, + '{...}': { + '0|1|2|3|a|as|b|p|bp': { action_: 'o=', nextState: 'o' }, + 'o|d|D|q|qd|qD|dq': { action_: [ 'output', 'o=' ], nextState: 'o' } }, + '$...$': { + 'a': { action_: 'a=' }, // 2$n$ + '0|1|2|3|as|b|p|bp|o': { action_: 'o=', nextState: 'o' }, // not 'amount' + 'as|o': { action_: 'o=' }, + 'q|d|D|qd|qD|dq': { action_: [ 'output', 'o=' ], nextState: 'o' } }, + '\\bond{(...)}': { + '*': { action_: [ { type_: 'output', option: 2 }, 'bond' ], nextState: "3" } }, + '\\frac{(...)}': { + '*': { action_: [ { type_: 'output', option: 1 }, 'frac-output' ], nextState: '3' } }, + '\\overset{(...)}': { + '*': { action_: [ { type_: 'output', option: 2 }, 'overset-output' ], nextState: '3' } }, + '\\underset{(...)}': { + '*': { action_: [ { type_: 'output', option: 2 }, 'underset-output' ], nextState: '3' } }, + '\\underbrace{(...)}': { + '*': { action_: [ { type_: 'output', option: 2 }, 'underbrace-output' ], nextState: '3' } }, + '\\color{(...)}{(...)}1|\\color(...){(...)}2': { + '*': { action_: [ { type_: 'output', option: 2 }, 'color-output' ], nextState: '3' } }, + '\\color{(...)}0': { + '*': { action_: [ { type_: 'output', option: 2 }, 'color0-output' ] } }, + '\\ce{(...)}': { + '*': { action_: [ { type_: 'output', option: 2 }, 'ce' ], nextState: '3' } }, + '\\,': { + '*': { action_: [ { type_: 'output', option: 1 }, 'copy' ], nextState: '1' } }, + '\\x{}{}|\\x{}|\\x': { + '0|1|2|3|a|as|b|p|bp|o|c0': { action_: [ 'o=', 'output' ], nextState: '3' }, + '*': { action_: ['output', 'o=', 'output' ], nextState: '3' } }, + 'others': { + '*': { action_: [ { type_: 'output', option: 1 }, 'copy' ], nextState: '3' } }, + 'else2': { + 'a': { action_: 'a to o', nextState: 'o', revisit: true }, + 'as': { action_: [ 'output', 'sb=true' ], nextState: '1', revisit: true }, + 'r|rt|rd|rdt|rdq': { action_: [ 'output' ], nextState: '0', revisit: true }, + '*': { action_: [ 'output', 'copy' ], nextState: '3' } } + }), + actions: { + 'o after d': function (buffer, m) { + var ret; + if ((buffer.d || "").match(/^[0-9]+$/)) { + var tmp = buffer.d; + buffer.d = undefined; + ret = this['output'](buffer); + buffer.b = tmp; + } else { + ret = this['output'](buffer); + } + mhchemParser.actions['o='](buffer, m); + return ret; + }, + 'd= kv': function (buffer, m) { + buffer.d = m; + buffer.dType = 'kv'; + }, + 'charge or bond': function (buffer, m) { + if (buffer['beginsWithBond']) { + /** @type {ParserOutput[]} */ + var ret = []; + mhchemParser.concatArray(ret, this['output'](buffer)); + mhchemParser.concatArray(ret, mhchemParser.actions['bond'](buffer, m, "-")); + return ret; + } else { + buffer.d = m; + } + }, + '- after o/d': function (buffer, m, isAfterD) { + var c1 = mhchemParser.patterns.match_('orbital', buffer.o || ""); + var c2 = mhchemParser.patterns.match_('one lowercase greek letter $', buffer.o || ""); + var c3 = mhchemParser.patterns.match_('one lowercase latin letter $', buffer.o || ""); + var c4 = mhchemParser.patterns.match_('$one lowercase latin letter$ $', buffer.o || ""); + var hyphenFollows = m==="-" && ( c1 && c1.remainder==="" || c2 || c3 || c4 ); + if (hyphenFollows && !buffer.a && !buffer.b && !buffer.p && !buffer.d && !buffer.q && !c1 && c3) { + buffer.o = '$' + buffer.o + '$'; + } + /** @type {ParserOutput[]} */ + var ret = []; + if (hyphenFollows) { + mhchemParser.concatArray(ret, this['output'](buffer)); + ret.push({ type_: 'hyphen' }); + } else { + c1 = mhchemParser.patterns.match_('digits', buffer.d || ""); + if (isAfterD && c1 && c1.remainder==='') { + mhchemParser.concatArray(ret, mhchemParser.actions['d='](buffer, m)); + mhchemParser.concatArray(ret, this['output'](buffer)); + } else { + mhchemParser.concatArray(ret, this['output'](buffer)); + mhchemParser.concatArray(ret, mhchemParser.actions['bond'](buffer, m, "-")); + } + } + return ret; + }, + 'a to o': function (buffer) { + buffer.o = buffer.a; + buffer.a = undefined; + }, + 'sb=true': function (buffer) { buffer.sb = true; }, + 'sb=false': function (buffer) { buffer.sb = false; }, + 'beginsWithBond=true': function (buffer) { buffer['beginsWithBond'] = true; }, + 'beginsWithBond=false': function (buffer) { buffer['beginsWithBond'] = false; }, + 'parenthesisLevel++': function (buffer) { buffer['parenthesisLevel']++; }, + 'parenthesisLevel--': function (buffer) { buffer['parenthesisLevel']--; }, + 'state of aggregation': function (buffer, m) { + return { type_: 'state of aggregation', p1: mhchemParser.go(m, 'o') }; + }, + 'comma': function (buffer, m) { + var a = m.replace(/\s*$/, ''); + var withSpace = (a !== m); + if (withSpace && buffer['parenthesisLevel'] === 0) { + return { type_: 'comma enumeration L', p1: a }; + } else { + return { type_: 'comma enumeration M', p1: a }; + } + }, + 'output': function (buffer, m, entityFollows) { + // entityFollows: + // undefined = if we have nothing else to output, also ignore the just read space (buffer.sb) + // 1 = an entity follows, never omit the space if there was one just read before (can only apply to state 1) + // 2 = 1 + the entity can have an amount, so output a\, instead of converting it to o (can only apply to states a|as) + /** @type {ParserOutput | ParserOutput[]} */ + var ret; + if (!buffer.r) { + ret = []; + if (!buffer.a && !buffer.b && !buffer.p && !buffer.o && !buffer.q && !buffer.d && !entityFollows) { + //ret = []; + } else { + if (buffer.sb) { + ret.push({ type_: 'entitySkip' }); + } + if (!buffer.o && !buffer.q && !buffer.d && !buffer.b && !buffer.p && entityFollows!==2) { + buffer.o = buffer.a; + buffer.a = undefined; + } else if (!buffer.o && !buffer.q && !buffer.d && (buffer.b || buffer.p)) { + buffer.o = buffer.a; + buffer.d = buffer.b; + buffer.q = buffer.p; + buffer.a = buffer.b = buffer.p = undefined; + } else { + if (buffer.o && buffer.dType==='kv' && mhchemParser.patterns.match_('d-oxidation$', buffer.d || "")) { + buffer.dType = 'oxidation'; + } else if (buffer.o && buffer.dType==='kv' && !buffer.q) { + buffer.dType = undefined; + } + } + ret.push({ + type_: 'chemfive', + a: mhchemParser.go(buffer.a, 'a'), + b: mhchemParser.go(buffer.b, 'bd'), + p: mhchemParser.go(buffer.p, 'pq'), + o: mhchemParser.go(buffer.o, 'o'), + q: mhchemParser.go(buffer.q, 'pq'), + d: mhchemParser.go(buffer.d, (buffer.dType === 'oxidation' ? 'oxidation' : 'bd')), + dType: buffer.dType + }); + } + } else { // r + /** @type {ParserOutput[]} */ + var rd; + if (buffer.rdt === 'M') { + rd = mhchemParser.go(buffer.rd, 'tex-math'); + } else if (buffer.rdt === 'T') { + rd = [ { type_: 'text', p1: buffer.rd || "" } ]; + } else { + rd = mhchemParser.go(buffer.rd); + } + /** @type {ParserOutput[]} */ + var rq; + if (buffer.rqt === 'M') { + rq = mhchemParser.go(buffer.rq, 'tex-math'); + } else if (buffer.rqt === 'T') { + rq = [ { type_: 'text', p1: buffer.rq || ""} ]; + } else { + rq = mhchemParser.go(buffer.rq); + } + ret = { + type_: 'arrow', + r: buffer.r, + rd: rd, + rq: rq + }; + } + for (var p in buffer) { + if (p !== 'parenthesisLevel' && p !== 'beginsWithBond') { + delete buffer[p]; + } + } + return ret; + }, + 'oxidation-output': function (buffer, m) { + var ret = [ "{" ]; + mhchemParser.concatArray(ret, mhchemParser.go(m, 'oxidation')); + ret.push("}"); + return ret; + }, + 'frac-output': function (buffer, m) { + return { type_: 'frac-ce', p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) }; + }, + 'overset-output': function (buffer, m) { + return { type_: 'overset', p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) }; + }, + 'underset-output': function (buffer, m) { + return { type_: 'underset', p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) }; + }, + 'underbrace-output': function (buffer, m) { + return { type_: 'underbrace', p1: mhchemParser.go(m[0]), p2: mhchemParser.go(m[1]) }; + }, + 'color-output': function (buffer, m) { + return { type_: 'color', color1: m[0], color2: mhchemParser.go(m[1]) }; + }, + 'r=': function (buffer, m) { buffer.r = m; }, + 'rdt=': function (buffer, m) { buffer.rdt = m; }, + 'rd=': function (buffer, m) { buffer.rd = m; }, + 'rqt=': function (buffer, m) { buffer.rqt = m; }, + 'rq=': function (buffer, m) { buffer.rq = m; }, + 'operator': function (buffer, m, p1) { return { type_: 'operator', kind_: (p1 || m) }; } + } + }, + 'a': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + '1/2$': { + '0': { action_: '1/2' } }, + 'else': { + '0': { nextState: '1', revisit: true } }, + '$(...)$': { + '*': { action_: 'tex-math tight', nextState: '1' } }, + ',': { + '*': { action_: { type_: 'insert', option: 'commaDecimal' } } }, + 'else2': { + '*': { action_: 'copy' } } + }), + actions: {} + }, + 'o': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + '1/2$': { + '0': { action_: '1/2' } }, + 'else': { + '0': { nextState: '1', revisit: true } }, + 'letters': { + '*': { action_: 'rm' } }, + '\\ca': { + '*': { action_: { type_: 'insert', option: 'circa' } } }, + '\\x{}{}|\\x{}|\\x': { + '*': { action_: 'copy' } }, + '${(...)}$|$(...)$': { + '*': { action_: 'tex-math' } }, + '{(...)}': { + '*': { action_: '{text}' } }, + 'else2': { + '*': { action_: 'copy' } } + }), + actions: {} + }, + 'text': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': { action_: 'output' } }, + '{...}': { + '*': { action_: 'text=' } }, + '${(...)}$|$(...)$': { + '*': { action_: 'tex-math' } }, + '\\greek': { + '*': { action_: [ 'output', 'rm' ] } }, + '\\,|\\x{}{}|\\x{}|\\x': { + '*': { action_: [ 'output', 'copy' ] } }, + 'else': { + '*': { action_: 'text=' } } + }), + actions: { + 'output': function (buffer) { + if (buffer.text_) { + /** @type {ParserOutput} */ + var ret = { type_: 'text', p1: buffer.text_ }; + for (var p in buffer) { delete buffer[p]; } + return ret; + } + } + } + }, + 'pq': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + 'state of aggregation $': { + '*': { action_: 'state of aggregation' } }, + 'i$': { + '0': { nextState: '!f', revisit: true } }, + '(KV letters),': { + '0': { action_: 'rm', nextState: '0' } }, + 'formula$': { + '0': { nextState: 'f', revisit: true } }, + '1/2$': { + '0': { action_: '1/2' } }, + 'else': { + '0': { nextState: '!f', revisit: true } }, + '${(...)}$|$(...)$': { + '*': { action_: 'tex-math' } }, + '{(...)}': { + '*': { action_: 'text' } }, + 'a-z': { + 'f': { action_: 'tex-math' } }, + 'letters': { + '*': { action_: 'rm' } }, + '-9.,9': { + '*': { action_: '9,9' } }, + ',': { + '*': { action_: { type_: 'insert+p1', option: 'comma enumeration S' } } }, + '\\color{(...)}{(...)}1|\\color(...){(...)}2': { + '*': { action_: 'color-output' } }, + '\\color{(...)}0': { + '*': { action_: 'color0-output' } }, + '\\ce{(...)}': { + '*': { action_: 'ce' } }, + '\\,|\\x{}{}|\\x{}|\\x': { + '*': { action_: 'copy' } }, + 'else2': { + '*': { action_: 'copy' } } + }), + actions: { + 'state of aggregation': function (buffer, m) { + return { type_: 'state of aggregation subscript', p1: mhchemParser.go(m, 'o') }; + }, + 'color-output': function (buffer, m) { + return { type_: 'color', color1: m[0], color2: mhchemParser.go(m[1], 'pq') }; + } + } + }, + 'bd': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + 'x$': { + '0': { nextState: '!f', revisit: true } }, + 'formula$': { + '0': { nextState: 'f', revisit: true } }, + 'else': { + '0': { nextState: '!f', revisit: true } }, + '-9.,9 no missing 0': { + '*': { action_: '9,9' } }, + '.': { + '*': { action_: { type_: 'insert', option: 'electron dot' } } }, + 'a-z': { + 'f': { action_: 'tex-math' } }, + 'x': { + '*': { action_: { type_: 'insert', option: 'KV x' } } }, + 'letters': { + '*': { action_: 'rm' } }, + '\'': { + '*': { action_: { type_: 'insert', option: 'prime' } } }, + '${(...)}$|$(...)$': { + '*': { action_: 'tex-math' } }, + '{(...)}': { + '*': { action_: 'text' } }, + '\\color{(...)}{(...)}1|\\color(...){(...)}2': { + '*': { action_: 'color-output' } }, + '\\color{(...)}0': { + '*': { action_: 'color0-output' } }, + '\\ce{(...)}': { + '*': { action_: 'ce' } }, + '\\,|\\x{}{}|\\x{}|\\x': { + '*': { action_: 'copy' } }, + 'else2': { + '*': { action_: 'copy' } } + }), + actions: { + 'color-output': function (buffer, m) { + return { type_: 'color', color1: m[0], color2: mhchemParser.go(m[1], 'bd') }; + } + } + }, + 'oxidation': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + 'roman numeral': { + '*': { action_: 'roman-numeral' } }, + '${(...)}$|$(...)$': { + '*': { action_: 'tex-math' } }, + 'else': { + '*': { action_: 'copy' } } + }), + actions: { + 'roman-numeral': function (buffer, m) { return { type_: 'roman numeral', p1: m || "" }; } + } + }, + 'tex-math': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': { action_: 'output' } }, + '\\ce{(...)}': { + '*': { action_: [ 'output', 'ce' ] } }, + '{...}|\\,|\\x{}{}|\\x{}|\\x': { + '*': { action_: 'o=' } }, + 'else': { + '*': { action_: 'o=' } } + }), + actions: { + 'output': function (buffer) { + if (buffer.o) { + /** @type {ParserOutput} */ + var ret = { type_: 'tex-math', p1: buffer.o }; + for (var p in buffer) { delete buffer[p]; } + return ret; + } + } + } + }, + 'tex-math tight': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': { action_: 'output' } }, + '\\ce{(...)}': { + '*': { action_: [ 'output', 'ce' ] } }, + '{...}|\\,|\\x{}{}|\\x{}|\\x': { + '*': { action_: 'o=' } }, + '-|+': { + '*': { action_: 'tight operator' } }, + 'else': { + '*': { action_: 'o=' } } + }), + actions: { + 'tight operator': function (buffer, m) { buffer.o = (buffer.o || "") + "{"+m+"}"; }, + 'output': function (buffer) { + if (buffer.o) { + /** @type {ParserOutput} */ + var ret = { type_: 'tex-math', p1: buffer.o }; + for (var p in buffer) { delete buffer[p]; } + return ret; + } + } + } + }, + '9,9': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': {} }, + ',': { + '*': { action_: 'comma' } }, + 'else': { + '*': { action_: 'copy' } } + }), + actions: { + 'comma': function () { return { type_: 'commaDecimal' }; } + } + }, + //#endregion + // + // \pu state machines + // + //#region pu + 'pu': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': { action_: 'output' } }, + 'space$': { + '*': { action_: [ 'output', 'space' ] } }, + '{[(|)]}': { + '0|a': { action_: 'copy' } }, + '(-)(9)^(-9)': { + '0': { action_: 'number^', nextState: 'a' } }, + '(-)(9.,9)(e)(99)': { + '0': { action_: 'enumber', nextState: 'a' } }, + 'space': { + '0|a': {} }, + 'pm-operator': { + '0|a': { action_: { type_: 'operator', option: '\\pm' }, nextState: '0' } }, + 'operator': { + '0|a': { action_: 'copy', nextState: '0' } }, + '//': { + 'd': { action_: 'o=', nextState: '/' } }, + '/': { + 'd': { action_: 'o=', nextState: '/' } }, + '{...}|else': { + '0|d': { action_: 'd=', nextState: 'd' }, + 'a': { action_: [ 'space', 'd=' ], nextState: 'd' }, + '/|q': { action_: 'q=', nextState: 'q' } } + }), + actions: { + 'enumber': function (buffer, m) { + /** @type {ParserOutput[]} */ + var ret = []; + if (m[0] === "+-" || m[0] === "+/-") { + ret.push("\\pm "); + } else if (m[0]) { + ret.push(m[0]); + } + if (m[1]) { // 1.2 + mhchemParser.concatArray(ret, mhchemParser.go(m[1], 'pu-9,9')); + if (m[2]) { + if (m[2].match(/[,.]/)) { // 1.23456(0.01111) + mhchemParser.concatArray(ret, mhchemParser.go(m[2], 'pu-9,9')); + } else { // 1.23456(1111) - without spacings + ret.push(m[2]); + } + } + if (m[3] || m[4]) { // 1.2e7 1.2x10^7 + if (m[3] === "e" || m[4] === "*") { + ret.push({ type_: 'cdot' }); + } else { + ret.push({ type_: 'times' }); + } + } + } + if (m[5]) { // 10^7 + ret.push("10^{"+m[5]+"}"); + } + return ret; + }, + 'number^': function (buffer, m) { + /** @type {ParserOutput[]} */ + var ret = []; + if (m[0] === "+-" || m[0] === "+/-") { + ret.push("\\pm "); + } else if (m[0]) { + ret.push(m[0]); + } + mhchemParser.concatArray(ret, mhchemParser.go(m[1], 'pu-9,9')); + ret.push("^{"+m[2]+"}"); + return ret; + }, + 'operator': function (buffer, m, p1) { return { type_: 'operator', kind_: (p1 || m) }; }, + 'space': function () { return { type_: 'pu-space-1' }; }, + 'output': function (buffer) { + /** @type {ParserOutput | ParserOutput[]} */ + var ret; + var md = mhchemParser.patterns.match_('{(...)}', buffer.d || ""); + if (md && md.remainder === '') { buffer.d = md.match_; } + var mq = mhchemParser.patterns.match_('{(...)}', buffer.q || ""); + if (mq && mq.remainder === '') { buffer.q = mq.match_; } + if (buffer.d) { + buffer.d = buffer.d.replace(/\u00B0C|\^oC|\^{o}C/g, "{}^{\\circ}C"); + buffer.d = buffer.d.replace(/\u00B0F|\^oF|\^{o}F/g, "{}^{\\circ}F"); + } + if (buffer.q) { // fraction + buffer.q = buffer.q.replace(/\u00B0C|\^oC|\^{o}C/g, "{}^{\\circ}C"); + buffer.q = buffer.q.replace(/\u00B0F|\^oF|\^{o}F/g, "{}^{\\circ}F"); + var b5 = { + d: mhchemParser.go(buffer.d, 'pu'), + q: mhchemParser.go(buffer.q, 'pu') + }; + if (buffer.o === '//') { + ret = { type_: 'pu-frac', p1: b5.d, p2: b5.q }; + } else { + ret = b5.d; + if (b5.d.length > 1 || b5.q.length > 1) { + ret.push({ type_: ' / ' }); + } else { + ret.push({ type_: '/' }); + } + mhchemParser.concatArray(ret, b5.q); + } + } else { // no fraction + ret = mhchemParser.go(buffer.d, 'pu-2'); + } + for (var p in buffer) { delete buffer[p]; } + return ret; + } + } + }, + 'pu-2': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '*': { action_: 'output' } }, + '*': { + '*': { action_: [ 'output', 'cdot' ], nextState: '0' } }, + '\\x': { + '*': { action_: 'rm=' } }, + 'space': { + '*': { action_: [ 'output', 'space' ], nextState: '0' } }, + '^{(...)}|^(-1)': { + '1': { action_: '^(-1)' } }, + '-9.,9': { + '0': { action_: 'rm=', nextState: '0' }, + '1': { action_: '^(-1)', nextState: '0' } }, + '{...}|else': { + '*': { action_: 'rm=', nextState: '1' } } + }), + actions: { + 'cdot': function () { return { type_: 'tight cdot' }; }, + '^(-1)': function (buffer, m) { buffer.rm += "^{"+m+"}"; }, + 'space': function () { return { type_: 'pu-space-2' }; }, + 'output': function (buffer) { + /** @type {ParserOutput | ParserOutput[]} */ + var ret = []; + if (buffer.rm) { + var mrm = mhchemParser.patterns.match_('{(...)}', buffer.rm || ""); + if (mrm && mrm.remainder === '') { + ret = mhchemParser.go(mrm.match_, 'pu'); + } else { + ret = { type_: 'rm', p1: buffer.rm }; + } + } + for (var p in buffer) { delete buffer[p]; } + return ret; + } + } + }, + 'pu-9,9': { + transitions: mhchemParser.createTransitions({ + 'empty': { + '0': { action_: 'output-0' }, + 'o': { action_: 'output-o' } }, + ',': { + '0': { action_: [ 'output-0', 'comma' ], nextState: 'o' } }, + '.': { + '0': { action_: [ 'output-0', 'copy' ], nextState: 'o' } }, + 'else': { + '*': { action_: 'text=' } } + }), + actions: { + 'comma': function () { return { type_: 'commaDecimal' }; }, + 'output-0': function (buffer) { + /** @type {ParserOutput[]} */ + var ret = []; + buffer.text_ = buffer.text_ || ""; + if (buffer.text_.length > 4) { + var a = buffer.text_.length % 3; + if (a === 0) { a = 3; } + for (var i=buffer.text_.length-3; i>0; i-=3) { + ret.push(buffer.text_.substr(i, 3)); + ret.push({ type_: '1000 separator' }); + } + ret.push(buffer.text_.substr(0, a)); + ret.reverse(); + } else { + ret.push(buffer.text_); + } + for (var p in buffer) { delete buffer[p]; } + return ret; + }, + 'output-o': function (buffer) { + /** @type {ParserOutput[]} */ + var ret = []; + buffer.text_ = buffer.text_ || ""; + if (buffer.text_.length > 4) { + var a = buffer.text_.length - 3; + for (var i=0; i" || buf.r === "<=>>" || buf.r === "<<=>" || buf.r === "<-->") { + // arrows that cannot stretch correctly yet, https://github.com/mathjax/MathJax/issues/1491 + arrow = "\\long"+arrow; + if (b6.rd) { arrow = "\\overset{"+b6.rd+"}{"+arrow+"}"; } + if (b6.rq) { + if (buf.r === "<-->") { + arrow = "\\underset{\\lower2mu{"+b6.rq+"}}{"+arrow+"}"; + } else { + arrow = "\\underset{\\lower6mu{"+b6.rq+"}}{"+arrow+"}"; // align with ->[][under] + } + } + arrow = " {}\\mathrel{"+arrow+"}{} "; + } else { + if (b6.rq) { arrow += "[{"+b6.rq+"}]"; } + arrow += "{"+b6.rd+"}"; + arrow = " {}\\mathrel{\\x"+arrow+"}{} "; + } + } else { + arrow = " {}\\mathrel{\\long"+arrow+"}{} "; + } + res = arrow; + break; + case 'operator': + res = texify._getOperator(buf.kind_); + break; + case '1st-level escape': + res = buf.p1+" "; // &, \\\\, \\hlin + break; + case 'space': + res = " "; + break; + case 'entitySkip': + res = "~"; + break; + case 'pu-space-1': + res = "~"; + break; + case 'pu-space-2': + res = "\\mkern3mu "; + break; + case '1000 separator': + res = "\\mkern2mu "; + break; + case 'commaDecimal': + res = "{,}"; + break; + case 'comma enumeration L': + res = "{"+buf.p1+"}\\mkern6mu "; + break; + case 'comma enumeration M': + res = "{"+buf.p1+"}\\mkern3mu "; + break; + case 'comma enumeration S': + res = "{"+buf.p1+"}\\mkern1mu "; + break; + case 'hyphen': + res = "\\text{-}"; + break; + case 'addition compound': + res = "\\,{\\cdot}\\,"; + break; + case 'electron dot': + res = "\\mkern1mu \\bullet\\mkern1mu "; + break; + case 'KV x': + res = "{\\times}"; + break; + case 'prime': + res = "\\prime "; + break; + case 'cdot': + res = "\\cdot "; + break; + case 'tight cdot': + res = "\\mkern1mu{\\cdot}\\mkern1mu "; + break; + case 'times': + res = "\\times "; + break; + case 'circa': + res = "{\\sim}"; + break; + case '^': + res = "uparrow"; + break; + case 'v': + res = "downarrow"; + break; + case 'ellipsis': + res = "\\ldots "; + break; + case '/': + res = "/"; + break; + case ' / ': + res = "\\,/\\,"; + break; + default: + assertNever(buf); + throw ["MhchemBugT", "mhchem bug T. Please report."]; // Missing texify rule or unknown MhchemParser output + } + assertString(res); + return res; + }, + _getArrow: function (a) { + switch (a) { + case "->": return "rightarrow"; + case "\u2192": return "rightarrow"; + case "\u27F6": return "rightarrow"; + case "<-": return "leftarrow"; + case "<->": return "leftrightarrow"; + case "<-->": return "leftrightarrows"; + case "<=>": return "rightleftharpoons"; + case "\u21CC": return "rightleftharpoons"; + case "<=>>": return "Rightleftharpoons"; + case "<<=>": return "Leftrightharpoons"; + default: + assertNever(a); + throw ["MhchemBugT", "mhchem bug T. Please report."]; + } + }, + _getBond: function (a) { + switch (a) { + case "-": return "{-}"; + case "1": return "{-}"; + case "=": return "{=}"; + case "2": return "{=}"; + case "#": return "{\\equiv}"; + case "3": return "{\\equiv}"; + case "~": return "{\\tripledash}"; + case "~-": return "{\\rlap{\\lower.1em{-}}\\raise.1em{\\tripledash}}"; + case "~=": return "{\\rlap{\\lower.2em{-}}\\rlap{\\raise.2em{\\tripledash}}-}"; + case "~--": return "{\\rlap{\\lower.2em{-}}\\rlap{\\raise.2em{\\tripledash}}-}"; + case "-~-": return "{\\rlap{\\lower.2em{-}}\\rlap{\\raise.2em{-}}\\tripledash}"; + case "...": return "{{\\cdot}{\\cdot}{\\cdot}}"; + case "....": return "{{\\cdot}{\\cdot}{\\cdot}{\\cdot}}"; + case "->": return "{\\rightarrow}"; + case "<-": return "{\\leftarrow}"; + case "<": return "{<}"; + case ">": return "{>}"; + default: + assertNever(a); + throw ["MhchemBugT", "mhchem bug T. Please report."]; + } + }, + _getOperator: function (a) { + switch (a) { + case "+": return " {}+{} "; + case "-": return " {}-{} "; + case "=": return " {}={} "; + case "<": return " {}<{} "; + case ">": return " {}>{} "; + case "<<": return " {}\\ll{} "; + case ">>": return " {}\\gg{} "; + case "\\pm": return " {}\\pm{} "; + case "\\approx": return " {}\\approx{} "; + case "$\\approx$": return " {}\\approx{} "; + case "v": return " \\downarrow{} "; + case "(v)": return " \\downarrow{} "; + case "^": return " \\uparrow{} "; + case "(^)": return " \\uparrow{} "; + default: + assertNever(a); + throw ["MhchemBugT", "mhchem bug T. Please report."]; + } + } + }; + + // + // Helpers for code anaylsis + // Will show type error at calling position + // + /** @param {number} a */ + function assertNever(a) {} + /** @param {string} a */ + function assertString(a) {} + + // + // MathJax definitions + // + MathJax.Extension["TeX/mhchem"].CE = CE; + + /***************************************************************************/ + + TEX.Definitions.Add({ + macros: { + // + // Set up the macros for chemistry + // + ce: "CE", + pu: "PU", + + // + // Make these load AMSmath package (redefined below when loaded) + // + xleftrightarrow: ["Extension", "AMSmath"], + xrightleftharpoons: ["Extension", "AMSmath"], + xRightleftharpoons: ["Extension", "AMSmath"], + xLeftrightharpoons: ["Extension", "AMSmath"], + + // FIXME: These don't work well in FF NativeMML mode + longrightleftharpoons: ["Macro", "\\stackrel{\\textstyle{-}\\!\\!{\\rightharpoonup}}{\\smash{{\\leftharpoondown}\\!\\!{-}}}"], + longRightleftharpoons: ["Macro", "\\stackrel{\\textstyle{-}\\!\\!{\\rightharpoonup}}{\\smash{\\leftharpoondown}}"], + longLeftrightharpoons: ["Macro", "\\stackrel{\\textstyle\\vphantom{{-}}{\\rightharpoonup}}{\\smash{{\\leftharpoondown}\\!\\!{-}}}"], + longleftrightarrows: ["Macro", "\\raise-3mu{\\stackrel{\\longrightarrow}{\\raise2mu{\\smash{\\longleftarrow}}}}"], + + // + // Needed for \bond for the ~ forms + // Not perfectly aligned when zoomed in, but on 100% + // + tripledash: ["Macro", "\\vphantom{-}\\raise2mu{\\kern2mu\\tiny\\text{-}\\kern1mu\\text{-}\\kern1mu\\text{-}\\kern2mu}"] + } + }, null, true); + + if (!MathJax.Extension["TeX/AMSmath"]) { + TEX.Definitions.Add({ + macros: { + xrightarrow: ["Extension", "AMSmath"], + xleftarrow: ["Extension", "AMSmath"] + } + }, null, true); + } + + // + // These arrows need to wait until AMSmath is loaded + // + MathJax.Hub.Register.StartupHook("TeX AMSmath Ready", function () { + TEX.Definitions.Add({ + macros: { + // + // Some of these are hacks for now + // + xleftrightarrow: ["xArrow", 0x2194, 6, 6], + xrightleftharpoons: ["xArrow", 0x21CC, 5, 7], // FIXME: doesn't stretch in HTML-CSS output + xRightleftharpoons: ["xArrow", 0x21CC, 5, 7], // FIXME: how should this be handled? + xLeftrightharpoons: ["xArrow", 0x21CC, 5, 7] + } + }, null, true); + }); + + TEX.Parse.Augment({ + + // + // Implements \ce and friends + // + CE: function (name) { + var arg = this.GetArgument(name); + var tex = CE(arg).Parse(); + this.string = tex + this.string.substr(this.i); this.i = 0; + }, + + PU: function (name) { + var arg = this.GetArgument(name); + var tex = CE(arg).Parse('pu'); + this.string = tex + this.string.substr(this.i); this.i = 0; + } + + }); + + // + // Indicate that the extension is ready + // + MathJax.Hub.Startup.signal.Post("TeX mhchem Ready"); + +}); + +MathJax.Ajax.loadComplete("[mhchem]/mhchem.js"); +// @license-end -- cgit v1.2.3