| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * @fileoverview Semantic attributes of Math symbols and expressions. |
| * |
| * This file contains the basic functionality to lookup and assign semantic |
| * attributes for mathematical expressions. Since there is no such thing as a |
| * well-defined semantics for all of mathematics we compute a default semantics |
| * that closely models mathematical expressions found in K-12 mathematics as |
| * well as in general undergraduate curriculum (i.e., calculus, linear algebra, |
| * etc). |
| * |
| * Currently semantic attributes of symbols consist of the following two parts: |
| * |
| * type -- An unmutable property of an expression, regardless of its position in |
| * the math expression. For example, the letter 'f' will always have the |
| * type identifier, regardless of its use in context, e.g. as function |
| * symbol or variable. |
| * |
| * role -- A mutable description of the role an expression plays in the context |
| * of the overall mathematical expression. For instance, the symbol '|' |
| * is of type punctuation, but depending on context it has the role of a |
| * neutral fence or of a single vertical bar. |
| * |
| * In addition for some symbols we record the font as a further attribute. |
| * |
| * When a semantically interpreted expression is transformed into a XML |
| * representation, types become tag names, while role, font, etc. are added as |
| * attributes. |
| * |
| * This file is part of the content script as we do not want to call out to the |
| * background page every time we need to look up the semantic of a symbol. |
| * |
| * TODO (sorge) Move semantic tree translation into the background page |
| * alongside MathJax. |
| * |
| */ |
| |
| goog.provide('cvox.SemanticAttr'); |
| |
| goog.require('cvox.SemanticUtil'); |
| |
| |
| /** |
| * Contains the basic mappings of characters/symbols and functions to semantic |
| * attributes. |
| * |
| * Observe that all characters are given as hex code number in order to ease the |
| * comparison with those in the JSON files that define speech rules per |
| * character. |
| * @constructor |
| */ |
| cvox.SemanticAttr = function() { |
| // Punctuation Characters. |
| /** |
| * @type {Array<string>} |
| */ |
| this.generalPunctuations = |
| [ |
| '!', '"', '#', '%', '&', '\'', '*', ',', ':', ';', '?', '@', '\\', |
| '¡', '§', '¶', '·', '¿', '‗', '†', '‡', '•', '‣', '․', '‥', '‧', |
| '‰', '‱', '‸', '※', '‼', '‽', '‾', '⁁', '⁂', '⁃', '⁇', '⁈', '⁉', |
| '⁋', '⁌', '⁍', '⁎', '⁏', '⁐', '⁑', '⁓', '⁕', '⁖', '⁘', '⁙', '⁚', |
| '⁛', '⁜', '⁝', '⁞', '︐', '︓', '︔', '︕', '︖', '︰', '﹅', '﹆', |
| '﹉', '﹊', '﹋', '﹌', '﹐', '﹔', '﹕', '﹖', '﹗', '﹟', '﹠', '﹡', '﹨', |
| '﹪', '﹫', '！', '＂', '＃', '％', '＆', '＇', '＊', '，', '／', '：', |
| '；', '？', '＠', '＼' |
| ]; |
| /** |
| * @type {string} |
| * @private |
| */ |
| this.invisibleComma_ = cvox.SemanticUtil.numberToUnicode(0x2063); |
| this.generalPunctuations.push(this.invisibleComma_); |
| /** |
| * @type {Array<string>} |
| */ |
| this.ellipses = |
| [ |
| '…', '⋮', '⋯', '⋰', '⋱', '︙' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.fullStops = |
| [ |
| '.', '﹒', '．' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.dashes = |
| [ |
| '‒', '–', '—', '―', '〜', '︱', '︲', '﹘' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.primes = |
| [ |
| '′', '″', '‴', '‵', '‶', '‷', '⁗' |
| ]; |
| |
| // Fences. |
| // Fences are treated slightly differently from other symbols as we want to |
| // record pairs of opening/closing and top/bottom fences. |
| /** |
| * Mapping opening to closing fences. |
| * @type {Object<string>} |
| */ |
| this.openClosePairs = |
| { |
| // Unicode categories Ps and Pe. |
| // Observe that left quotation 301D could also be matched to 301F, |
| // but is currently matched to 301E. |
| '(': ')', '[': ']', '{': '}', '⁅': '⁆', '〈': '〉', '❨': '❩', |
| '❪': '❫', '❬': '❭', '❮': '❯', '❰': '❱', '❲': '❳', '❴': '❵', |
| '⟅': '⟆', '⟦': '⟧', '⟨': '⟩', '⟪': '⟫', '⟬': '⟭', '⟮': '⟯', |
| '⦃': '⦄', '⦅': '⦆', '⦇': '⦈', '⦉': '⦊', '⦋': '⦌', '⦍': '⦎', |
| '⦏': '⦐', '⦑': '⦒', '⦓': '⦔', '⦕': '⦖', '⦗': '⦘', '⧘': '⧙', |
| '⧚': '⧛', '⧼': '⧽', '⸢': '⸣', '⸤': '⸥', '⸦': '⸧', '⸨': '⸩', |
| '〈': '〉', '《': '》', '「': '」', '『': '』', '【': '】', |
| '〔': '〕', '〖': '〗', '〘': '〙', '〚': '〛', '〝': '〞', |
| '﴾': '﴿', '︗': '︘', '﹙': '﹚', '﹛': '﹜', '﹝': '﹞', '（': '）', |
| '［': '］', '｛': '｝', '｟': '｠', '｢': '｣', |
| // Unicode categories Sm and So. |
| '⌈': '⌉', '⌊': '⌋', '⌌': '⌍', '⌎': '⌏', '⌜': '⌝', '⌞': '⌟', |
| // Extender fences. |
| // Parenthesis. |
| '⎛': '⎞', '⎜': '⎟', '⎝': '⎠', |
| // Square bracket. |
| '⎡': '⎤', '⎢': '⎥', '⎣': '⎦', |
| // Curly bracket. |
| '⎧': '⎫', '⎨': '⎬', '⎩': '⎭', '⎰': '⎱', '⎸': '⎹' |
| }; |
| /** |
| * Mapping top to bottom fences. |
| * @type {Object<string>} |
| */ |
| this.topBottomPairs = |
| { |
| '⎴': '⎵', '⏜': '⏝', '⏞': '⏟', '⏠': '⏡', '︵': '︶', '︷': '︸', |
| '︹': '︺', '︻': '︼', '︽': '︾', '︿': '﹀', '﹁': '﹂', |
| '﹃': '﹄', '﹇': '﹈' |
| }; |
| /** |
| * @type {Array<string>} |
| */ |
| this.leftFences = cvox.SemanticUtil.objectsToKeys(this.openClosePairs); |
| /** |
| * @type {Array<string>} |
| */ |
| this.rightFences = cvox.SemanticUtil.objectsToValues(this.openClosePairs); |
| this.rightFences.push('〟'); |
| /** |
| * @type {Array<string>} |
| */ |
| this.topFences = cvox.SemanticUtil.objectsToKeys(this.topBottomPairs); |
| /** |
| * @type {Array<string>} |
| */ |
| this.bottomFences = cvox.SemanticUtil.objectsToValues(this.topBottomPairs); |
| /** |
| * @type {Array<string>} |
| */ |
| this.neutralFences = |
| [ |
| '|', '¦', '‖', '❘', '⦀', '⫴', '￤', '｜' |
| ]; |
| /** Array of all fences. |
| * @type {Array<string>} |
| */ |
| this.fences = this.neutralFences.concat( |
| this.leftFences, this.rightFences, this.topFences, this.bottomFences); |
| |
| // Identifiers. |
| // Latin Alphabets. |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatin = |
| [ |
| 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', |
| 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatin = |
| [ |
| 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', |
| 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', |
| // dotless i and j. |
| 'ı', 'ȷ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinFullWidth = |
| [ |
| 'Ａ', 'Ｂ', 'Ｃ', 'Ｄ', 'Ｅ', 'Ｆ', 'Ｇ', 'Ｈ', 'Ｉ', 'Ｊ', 'Ｋ', 'Ｌ', 'Ｍ', |
| 'Ｎ', 'Ｏ', 'Ｐ', 'Ｑ', 'Ｒ', 'Ｓ', 'Ｔ', 'Ｕ', 'Ｖ', 'Ｗ', 'Ｘ', 'Ｙ', 'Ｚ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinFullWidth = |
| [ |
| 'ａ', 'ｂ', 'ｃ', 'ｄ', 'ｅ', 'ｆ', 'ｇ', 'ｈ', 'ｉ', 'ｊ', 'ｋ', 'ｌ', 'ｍ', |
| 'ｎ', 'ｏ', 'ｐ', 'ｑ', 'ｒ', 'ｓ', 'ｔ', 'ｕ', 'ｖ', 'ｗ', 'ｘ', 'ｙ', 'ｚ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinBold = |
| [ |
| '𝐀', '𝐁', '𝐂', '𝐃', '𝐄', '𝐅', '𝐆', '𝐇', '𝐈', '𝐉', '𝐊', '𝐋', '𝐌', |
| '𝐍', '𝐎', '𝐏', '𝐐', '𝐑', '𝐒', '𝐓', '𝐔', '𝐕', '𝐖', '𝐗', '𝐘', '𝐙' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinBold = |
| [ |
| '𝐚', '𝐛', '𝐜', '𝐝', '𝐞', '𝐟', '𝐠', '𝐡', '𝐢', '𝐣', '𝐤', '𝐥', '𝐦', |
| '𝐧', '𝐨', '𝐩', '𝐪', '𝐫', '𝐬', '𝐭', '𝐮', '𝐯', '𝐰', '𝐱', '𝐲', '𝐳' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinItalic = |
| [ |
| '𝐴', '𝐵', '𝐶', '𝐷', '𝐸', '𝐹', '𝐺', '𝐻', '𝐼', '𝐽', '𝐾', '𝐿', '𝑀', |
| '𝑁', '𝑂', '𝑃', '𝑄', '𝑅', '𝑆', '𝑇', '𝑈', '𝑉', '𝑊', '𝑋', '𝑌', '𝑍' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinItalic = |
| [ |
| '𝑎', '𝑏', '𝑐', '𝑑', '𝑒', '𝑓', '𝑔', 'ℎ', '𝑖', '𝑗', '𝑘', '𝑙', '𝑚', |
| '𝑛', '𝑜', '𝑝', '𝑞', '𝑟', '𝑠', '𝑡', '𝑢', '𝑣', '𝑤', '𝑥', '𝑦', '𝑧', |
| // dotless i and j. |
| '𝚤', '𝚥' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinScript = |
| [ |
| '𝒜', 'ℬ', '𝒞', '𝒟', 'ℰ', 'ℱ', '𝒢', 'ℋ', 'ℐ', '𝒥', '𝒦', 'ℒ', 'ℳ', |
| '𝒩', '𝒪', '𝒫', '𝒬', 'ℛ', '𝒮', '𝒯', '𝒰', '𝒱', '𝒲', '𝒳', '𝒴', '𝒵', |
| // Powerset Cap P. |
| '℘' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinScript = |
| [ |
| '𝒶', '𝒷', '𝒸', '𝒹', 'ℯ', '𝒻', 'ℊ', '𝒽', '𝒾', '𝒿', '𝓀', '𝓁', '𝓂', |
| '𝓃', 'ℴ', '𝓅', '𝓆', '𝓇', '𝓈', '𝓉', '𝓊', '𝓋', '𝓌', '𝓍', '𝓎', '𝓏', |
| // script small l |
| 'ℓ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinBoldScript = |
| [ |
| '𝓐', '𝓑', '𝓒', '𝓓', '𝓔', '𝓕', '𝓖', '𝓗', '𝓘', '𝓙', '𝓚', '𝓛', '𝓜', |
| '𝓝', '𝓞', '𝓟', '𝓠', '𝓡', '𝓢', '𝓣', '𝓤', '𝓥', '𝓦', '𝓧', '𝓨', '𝓩' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinBoldScript = |
| [ |
| '𝓪', '𝓫', '𝓬', '𝓭', '𝓮', '𝓯', '𝓰', '𝓱', '𝓲', '𝓳', '𝓴', '𝓵', '𝓶', |
| '𝓷', '𝓸', '𝓹', '𝓺', '𝓻', '𝓼', '𝓽', '𝓾', '𝓿', '𝔀', '𝔁', '𝔂', '𝔃' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinFraktur = |
| [ |
| '𝔄', '𝔅', 'ℭ', '𝔇', '𝔈', '𝔉', '𝔊', 'ℌ', 'ℑ', '𝔍', '𝔎', '𝔏', '𝔐', |
| '𝔑', '𝔒', '𝔓', '𝔔', 'ℜ', '𝔖', '𝔗', '𝔘', '𝔙', '𝔚', '𝔛', '𝔜', 'ℨ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinFraktur = |
| [ |
| '𝔞', '𝔟', '𝔠', '𝔡', '𝔢', '𝔣', '𝔤', '𝔥', '𝔦', '𝔧', '𝔨', '𝔩', '𝔪', |
| '𝔫', '𝔬', '𝔭', '𝔮', '𝔯', '𝔰', '𝔱', '𝔲', '𝔳', '𝔴', '𝔵', '𝔶', '𝔷' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinDoubleStruck = |
| [ |
| '𝔸', '𝔹', 'ℂ', '𝔻', '𝔼', '𝔽', '𝔾', 'ℍ', '𝕀', '𝕁', '𝕂', '𝕃', '𝕄', |
| 'ℕ', '𝕆', 'ℙ', 'ℚ', 'ℝ', '𝕊', '𝕋', '𝕌', '𝕍', '𝕎', '𝕏', '𝕐', 'ℤ' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinDoubleStruck = |
| [ |
| '𝕒', '𝕓', '𝕔', '𝕕', '𝕖', '𝕗', '𝕘', '𝕙', '𝕚', '𝕛', '𝕜', '𝕝', '𝕞', |
| '𝕟', '𝕠', '𝕡', '𝕢', '𝕣', '𝕤', '𝕥', '𝕦', '𝕧', '𝕨', '𝕩', '𝕪', '𝕫' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinBoldFraktur = |
| [ |
| '𝕬', '𝕭', '𝕮', '𝕯', '𝕰', '𝕱', '𝕲', '𝕳', '𝕴', '𝕵', '𝕶', '𝕷', '𝕸', |
| '𝕹', '𝕺', '𝕻', '𝕼', '𝕽', '𝕾', '𝕿', '𝖀', '𝖁', '𝖂', '𝖃', '𝖄', '𝖅' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinBoldFraktur = |
| [ |
| '𝖆', '𝖇', '𝖈', '𝖉', '𝖊', '𝖋', '𝖌', '𝖍', '𝖎', '𝖏', '𝖐', '𝖑', '𝖒', |
| '𝖓', '𝖔', '𝖕', '𝖖', '𝖗', '𝖘', '𝖙', '𝖚', '𝖛', '𝖜', '𝖝', '𝖞', '𝖟' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinSansSerif = |
| [ |
| '𝖠', '𝖡', '𝖢', '𝖣', '𝖤', '𝖥', '𝖦', '𝖧', '𝖨', '𝖩', '𝖪', '𝖫', '𝖬', |
| '𝖭', '𝖮', '𝖯', '𝖰', '𝖱', '𝖲', '𝖳', '𝖴', '𝖵', '𝖶', '𝖷', '𝖸', '𝖹' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinSansSerif = |
| [ |
| '𝖺', '𝖻', '𝖼', '𝖽', '𝖾', '𝖿', '𝗀', '𝗁', '𝗂', '𝗃', '𝗄', '𝗅', '𝗆', |
| '𝗇', '𝗈', '𝗉', '𝗊', '𝗋', '𝗌', '𝗍', '𝗎', '𝗏', '𝗐', '𝗑', '𝗒', '𝗓' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinSansSerifBold = |
| [ |
| '𝗔', '𝗕', '𝗖', '𝗗', '𝗘', '𝗙', '𝗚', '𝗛', '𝗜', '𝗝', '𝗞', '𝗟', '𝗠', |
| '𝗡', '𝗢', '𝗣', '𝗤', '𝗥', '𝗦', '𝗧', '𝗨', '𝗩', '𝗪', '𝗫', '𝗬', '𝗭' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinSansSerifBold = |
| [ |
| '𝗮', '𝗯', '𝗰', '𝗱', '𝗲', '𝗳', '𝗴', '𝗵', '𝗶', '𝗷', '𝗸', '𝗹', '𝗺', |
| '𝗻', '𝗼', '𝗽', '𝗾', '𝗿', '𝘀', '𝘁', '𝘂', '𝘃', '𝘄', '𝘅', '𝘆', '𝘇' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinSansSerifItalic = |
| [ |
| '𝘈', '𝘉', '𝘊', '𝘋', '𝘌', '𝘍', '𝘎', '𝘏', '𝘐', '𝘑', '𝘒', '𝘓', '𝘔', |
| '𝘕', '𝘖', '𝘗', '𝘘', '𝘙', '𝘚', '𝘛', '𝘜', '𝘝', '𝘞', '𝘟', '𝘠', '𝘡' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinSansSerifItalic = |
| [ |
| '𝘢', '𝘣', '𝘤', '𝘥', '𝘦', '𝘧', '𝘨', '𝘩', '𝘪', '𝘫', '𝘬', '𝘭', '𝘮', |
| '𝘯', '𝘰', '𝘱', '𝘲', '𝘳', '𝘴', '𝘵', '𝘶', '𝘷', '𝘸', '𝘹', '𝘺', '𝘻' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalLatinMonospace = |
| [ |
| '𝙰', '𝙱', '𝙲', '𝙳', '𝙴', '𝙵', '𝙶', '𝙷', '𝙸', '𝙹', '𝙺', '𝙻', '𝙼', |
| '𝙽', '𝙾', '𝙿', '𝚀', '𝚁', '𝚂', '𝚃', '𝚄', '𝚅', '𝚆', '𝚇', '𝚈', '𝚉' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallLatinMonospace = |
| [ |
| '𝚊', '𝚋', '𝚌', '𝚍', '𝚎', '𝚏', '𝚐', '𝚑', '𝚒', '𝚓', '𝚔', '𝚕', '𝚖', |
| '𝚗', '𝚘', '𝚙', '𝚚', '𝚛', '𝚜', '𝚝', '𝚞', '𝚟', '𝚠', '𝚡', '𝚢', '𝚣' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.latinDoubleStruckItalic = |
| [ |
| 'ⅅ', 'ⅆ', 'ⅇ', 'ⅈ', 'ⅉ' |
| ]; |
| |
| // Greek Alphabets |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalGreek = |
| [ |
| 'Α', 'Β', 'Γ', 'Δ', 'Ε', 'Ζ', 'Η', 'Θ', 'Ι', 'Κ', 'Λ', 'Μ', 'Ν', |
| 'Ξ', 'Ο', 'Π', 'Ρ', 'Σ', 'Τ', 'Υ', 'Φ', 'Χ', 'Ψ', 'Ω' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallGreek = |
| [ |
| 'α', 'β', 'γ', 'δ', 'ε', 'ζ', 'η', 'θ', 'ι', 'κ', 'λ', 'μ', 'ν', |
| 'ξ', 'ο', 'π', 'ρ', 'ς', 'σ', 'τ', 'υ', 'φ', 'χ', 'ψ', 'ω' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalGreekBold = |
| [ |
| '𝚨', '𝚩', '𝚪', '𝚫', '𝚬', '𝚭', '𝚮', '𝚯', '𝚰', '𝚱', '𝚲', '𝚳', '𝚴', |
| '𝚵', '𝚶', '𝚷', '𝚸', '𝚺', '𝚻', '𝚼', '𝚽', '𝚾', '𝚿', '𝛀' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallGreekBold = |
| [ |
| '𝛂', '𝛃', '𝛄', '𝛅', '𝛆', '𝛇', '𝛈', '𝛉', '𝛊', '𝛋', '𝛌', '𝛍', '𝛎', |
| '𝛏', '𝛐', '𝛑', '𝛒', '𝛓', '𝛔', '𝛕', '𝛖', '𝛗', '𝛘', '𝛙', '𝛚' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalGreekItalic = |
| [ |
| '𝛢', '𝛣', '𝛤', '𝛥', '𝛦', '𝛧', '𝛨', '𝛩', '𝛪', '𝛫', '𝛬', '𝛭', '𝛮', |
| '𝛯', '𝛰', '𝛱', '𝛲', '𝛴', '𝛵', '𝛶', '𝛷', '𝛸', '𝛹', '𝛺' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallGreekItalic = |
| [ |
| '𝛼', '𝛽', '𝛾', '𝛿', '𝜀', '𝜁', '𝜂', '𝜃', '𝜄', '𝜅', '𝜆', '𝜇', '𝜈', |
| '𝜉', '𝜊', '𝜋', '𝜌', '𝜍', '𝜎', '𝜏', '𝜐', '𝜑', '𝜒', '𝜓', '𝜔' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.capitalGreekSansSerifBold = |
| [ |
| '𝝖', '𝝗', '𝝘', '𝝙', '𝝚', '𝝛', '𝝜', '𝝝', '𝝞', '𝝟', '𝝠', '𝝡', '𝝢', |
| '𝝣', '𝝤', '𝝥', '𝝦', '𝝨', '𝝩', '𝝪', '𝝫', '𝝬', '𝝭', '𝝮' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.smallGreekSansSerifBold = |
| [ |
| '𝝰', '𝝱', '𝝲', '𝝳', '𝝴', '𝝵', '𝝶', '𝝷', '𝝸', '𝝹', '𝝺', '𝝻', '𝝼', |
| '𝝽', '𝝾', '𝝿', '𝞀', '𝞁', '𝞂', '𝞃', '𝞄', '𝞅', '𝞆', '𝞇', '𝞈' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.greekDoubleStruck = |
| [ |
| 'ℼ', 'ℽ', 'ℾ', 'ℿ' |
| ]; |
| |
| // Other alphabets. |
| /** |
| * @type {Array<string>} |
| */ |
| this.hebrewLetters = |
| [ |
| 'ℵ', 'ℶ', 'ℷ', 'ℸ' |
| ]; |
| |
| //Operator symbols |
| /** |
| * @type {Array<string>} |
| */ |
| this.additions = |
| [ |
| '+', '±', '∓', '∔', '∧', '∨', '∩', '∪', '⊌', '⊓', '⊔', '⊝', '⊞', |
| '⊤', '⊥', '⊺', '⊻', '⊼', '⋄', '⋎', '⋏', '⋒', '⋓', '△', '▷', '▽', |
| '◁', '⩞', '⊕' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| /** |
| * Invisible operator for plus. |
| * @type {string} |
| * @private |
| */ |
| this.invisiblePlus_ = cvox.SemanticUtil.numberToUnicode(0x2064); |
| this.additions.push(this.invisiblePlus_); |
| /** |
| * @type {Array<string>} |
| */ |
| this.multiplications = |
| [ |
| '†', '‡', '∐', '∗', '∘', '∙', '≀', '⊚', '⊛', '⊠', '⊡', '⋅', '⋆', '⋇', |
| '⋉', '⋊', '⋋', '⋌', '○' |
| ]; |
| /** |
| * Invisible operator for multiplication. |
| * @type {string} |
| * @private |
| */ |
| this.invisibleTimes_ = cvox.SemanticUtil.numberToUnicode(0x2062); |
| this.multiplications.push(this.invisibleTimes_); |
| /** |
| * @type {Array<string>} |
| */ |
| this.subtractions = |
| [ |
| '-', '⁒', '⁻', '₋', '−', '∖', '∸', '≂', '⊖', '⊟', '➖', '⨩', '⨪', |
| '⨫', '⨬', '⨺', '⩁', '⩬', '﹣', '－', '‐', '‑' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.divisions = |
| [ |
| '/', '÷', '⁄', '∕', '⊘', '⟌', '⦼', '⨸' |
| ]; |
| /** |
| * Invisible operator for function application. |
| * @type {string} |
| * @private |
| */ |
| this.functionApplication_ = cvox.SemanticUtil.numberToUnicode(0x2061); |
| |
| //Relation symbols |
| /** |
| * @type {Array<string>} |
| */ |
| this.equalities = |
| [ |
| '=', '~', '⁼', '₌', '∼', '∽', '≃', '≅', '≈', '≊', '≋', '≌', '≍', |
| '≎', '≑', '≒', '≓', '≔', '≕', '≖', '≗', '≘', '≙', '≚', '≛', '≜', |
| '≝', '≞', '≟', '≡', '≣', '⧤', '⩦', '⩮', '⩯', '⩰', '⩱', '⩲', '⩳', |
| '⩴', '⩵', '⩶', '⩷', '⩸', '⋕', '⩭', '⩪', '⩫', '⩬', '﹦', '＝' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.inequalities = |
| [ |
| '<', '>', '≁', '≂', '≄', '≆', '≇', '≉', '≏', '≐', '≠', '≢', '≤', |
| '≥', '≦', '≧', '≨', '≩', '≪', '≫', '≬', '≭', '≮', '≯', '≰', '≱', |
| '≲', '≳', '≴', '≵', '≶', '≷', '≸', '≹', '≺', '≻', '≼', '≽', '≾', |
| '≿', '⊀', '⊁', '⋖', '⋗', '⋘', '⋙', '⋚', '⋛', '⋜', '⋝', '⋞', '⋟', |
| '⋠', '⋡', '⋢', '⋣', '⋤', '⋥', '⋦', '⋧', '⋨', '⋩', '⩹', '⩺', '⩻', |
| '⩼', '⩽', '⩾', '⩿', '⪀', '⪁', '⪂', '⪃', '⪄', '⪅', '⪆', '⪇', '⪈', |
| '⪉', '⪊', '⪋', '⪌', '⪍', '⪎', '⪏', '⪐', '⪑', '⪒', '⪓', '⪔', '⪕', |
| '⪖', '⪗', '⪘', '⪙', '⪚', '⪛', '⪜', '⪝', '⪞', '⪟', '⪠', '⪡', '⪢', |
| '⪣', '⪤', '⪥', '⪦', '⪧', '⪨', '⪩', '⪪', '⪫', '⪬', '⪭', '⪮', '⪯', |
| '⪰', '⪱', '⪲', '⪳', '⪴', '⪵', '⪶', '⪷', '⪸', '⪹', '⪺', '⪻', '⪼', |
| '⫷', '⫸', '⫹', '⫺', '⧀', '⧁', '﹤', '﹥', '＜', '＞' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.relations = |
| [ |
| // TODO (sorge): Add all the other relations. |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.arrows = |
| [ |
| '←', '↑', '→', '↓', '↔', '↕', '↖', '↗', '↘', '↙', '↚', '↛', '↜', |
| '↝', '↞', '↟', '↠', '↡', '↢', '↣', '↤', '↥', '↦', '↧', '↨', '↩', |
| '↪', '↫', '↬', '↭', '↮', '↯', '↰', '↱', '↲', '↳', '↴', '↵', '↶', |
| '↷', '↸', '↹', '↺', '↻', '⇄', '⇅', '⇆', '⇇', '⇈', '⇉', '⇊', '⇍', |
| '⇎', '⇏', '⇐', '⇑', '⇒', '⇓', '⇔', '⇕', '⇖', '⇗', '⇘', '⇙', '⇚', |
| '⇛', '⇜', '⇝', '⇞', '⇟', '⇠', '⇡', '⇢', '⇣', '⇤', '⇥', '⇦', '⇧', |
| '⇨', '⇩', '⇪', '⇫', '⇬', '⇭', '⇮', '⇯', '⇰', '⇱', '⇲', '⇳', '⇴', |
| '⇵', '⇶', '⇷', '⇸', '⇹', '⇺', '⇻', '⇼', '⇽', '⇾', '⇿', '⌁', '⌃', |
| '⌄', '⌤', '⎋', '➔', '➘', '➙', '➚', '➛', '➜', '➝', '➞', '➟', '➠', |
| '➡', '➢', '➣', '➤', '➥', '➦', '➧', '➨', '➩', '➪', '➫', '➬', '➭', |
| '➮', '➯', '➱', '➲', '➳', '➴', '➵', '➶', '➷', '➸', '➹', '➺', '➻', |
| '➼', '➽', '➾', '⟰', '⟱', '⟲', '⟳', '⟴', '⟵', '⟶', '⟷', '⟸', '⟹', |
| '⟺', '⟻', '⟼', '⟽', '⟾', '⟿', '⤀', '⤁', '⤂', '⤃', '⤄', '⤅', '⤆', |
| '⤇', '⤈', '⤉', '⤊', '⤋', '⤌', '⤍', '⤎', '⤏', '⤐', '⤑', '⤒', '⤓', |
| '⤔', '⤕', '⤖', '⤗', '⤘', '⤙', '⤚', '⤛', '⤜', '⤝', '⤞', '⤟', '⤠', |
| '⤡', '⤢', '⤣', '⤤', '⤥', '⤦', '⤧', '⤨', '⤩', '⤪', '⤭', '⤮', '⤯', |
| '⤰', '⤱', '⤲', '⤳', '⤴', '⤵', '⤶', '⤷', '⤸', '⤹', '⤺', '⤻', '⤼', |
| '⤽', '⤾', '⤿', '⥀', '⥁', '⥂', '⥃', '⥄', '⥅', '⥆', '⥇', '⥈', '⥉', |
| '⥰', '⥱', '⥲', '⥳', '⥴', '⥵', '⥶', '⥷', '⥸', '⥹', '⥺', '⥻', '⦳', |
| '⦴', '⦽', '⧪', '⧬', '⧭', '⨗', '⬀', '⬁', '⬂', '⬃', '⬄', '⬅', '⬆', |
| '⬇', '⬈', '⬉', '⬊', '⬋', '⬌', '⬍', '⬎', '⬏', '⬐', '⬑', '⬰', '⬱', |
| '⬲', '⬳', '⬴', '⬵', '⬶', '⬷', '⬸', '⬹', '⬺', '⬻', '⬼', '⬽', '⬾', |
| '⬿', '⭀', '⭁', '⭂', '⭃', '⭄', '⭅', '⭆', '⭇', '⭈', '⭉', '⭊', '⭋', |
| '⭌', '￩', '￪', '￫', '￬', |
| // Harpoons |
| '↼', '↽', '↾', '↿', '⇀', '⇁', '⇂', '⇃', '⇋', '⇌', '⥊', '⥋', '⥌', |
| '⥍', '⥎', '⥏', '⥐', '⥑', '⥒', '⥓', '⥔', '⥕', '⥖', '⥗', '⥘', '⥙', |
| '⥚', '⥛', '⥜', '⥝', '⥞', '⥟', '⥠', '⥡', '⥢', '⥣', '⥤', '⥥', '⥦', |
| '⥧', '⥨', '⥩', '⥪', '⥫', '⥬', '⥭', '⥮', '⥯', '⥼', '⥽', '⥾', '⥿' |
| ]; |
| |
| //Big operation symbols |
| /** |
| * @type {Array<string>} |
| */ |
| this.sumOps = |
| [ |
| '⅀', // double struck |
| '∏', '∐', '∑', '⋀', '⋁', '⋂', '⋃', '⨀', '⨁', '⨂', '⨃', '⨄', '⨅', |
| '⨆', '⨇', '⨈', '⨉', '⨊', '⨋', '⫼', '⫿' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.intOps = |
| [ |
| '∫', '∬', '∭', '∮', '∯', '∰', '∱', '∲', '∳', '⨌', '⨍', '⨎', '⨏', |
| '⨐', '⨑', '⨒', '⨓', '⨔', '⨕', '⨖', '⨗', '⨘', '⨙', '⨚', '⨛', '⨜' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.prefixOps = |
| // TODO (sorge) Insert nabla, differential operators etc. |
| [ |
| '∀', '∃' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.operatorBits = |
| // TODO (sorge) What to do if single glyphs of big ops occur on their own. |
| [ |
| '⌠', '⌡', '⎶', '⎪', '⎮', '⎯', '⎲', '⎳', '⎷' |
| ]; |
| |
| // Accents. |
| // TODO (sorge) Add accented characters. |
| |
| // Numbers. |
| // Digits. |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsNormal = |
| [ |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsFullWidth = |
| [ |
| '０', '１', '２', '３', '４', '５', '６', '７', '８', '９' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsBold = |
| [ |
| '𝟎', '𝟏', '𝟐', '𝟑', '𝟒', '𝟓', '𝟔', '𝟕', '𝟖', '𝟗' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsDoubleStruck = |
| [ |
| '𝟘', '𝟙', '𝟚', '𝟛', '𝟜', '𝟝', '𝟞', '𝟟', '𝟠', '𝟡' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsSansSerif = |
| [ |
| '𝟢', '𝟣', '𝟤', '𝟥', '𝟦', '𝟧', '𝟨', '𝟩', '𝟪', '𝟫' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsSansSerifBold = |
| [ |
| '𝟬', '𝟭', '𝟮', '𝟯', '𝟰', '𝟱', '𝟲', '𝟳', '𝟴', '𝟵' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsMonospace = |
| [ |
| '𝟶', '𝟷', '𝟸', '𝟹', '𝟺', '𝟻', '𝟼', '𝟽', '𝟾', '𝟿' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsSuperscript = |
| [ |
| '²', '³', '¹', '⁰', '⁴', '⁵', '⁶', '⁷', '⁸', '⁹' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.digitsSubscript = |
| [ |
| '₀', '₁', '₂', '₃', '₄', '₅', '₆', '₇', '₈', '₉' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.fractions = |
| [ |
| '¼', '½', '¾', '⅐', '⅑', '⅒', '⅓', '⅔', '⅕', '⅖', '⅗', '⅘', '⅙', |
| '⅚', '⅛', '⅜', '⅝', '⅞', '⅟', '↉' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.enclosedNumbers = |
| // Encircled numbers. |
| [ |
| '①', '②', '③', '④', '⑤', '⑥', '⑦', '⑧', '⑨', '⑩', '⑪', '⑫', '⑬', |
| '⑭', '⑮', '⑯', '⑰', '⑱', '⑲', '⑳', '⓪', '⓫', '⓬', '⓭', '⓮', '⓯', |
| '⓰', '⓱', '⓲', '⓳', '⓴', '⓵', '⓶', '⓷', '⓸', '⓹', '⓺', '⓻', '⓼', |
| '⓽', '⓾', '⓿', '❶', '❷', '❸', '❹', '❺', '❻', '❼', '❽', '❾', '❿', |
| '➀', '➁', '➂', '➃', '➄', '➅', '➆', '➇', '➈', '➉', '➊', '➋', '➌', |
| '➍', '➎', '➏', '➐', '➑', '➒', '➓', '㉈', '㉉', '㉊', '㉋', '㉌', |
| '㉍', '㉎', '㉏', '㉑', '㉒', '㉓', '㉔', '㉕', '㉖', '㉗', '㉘', |
| '㉙', '㉚', '㉛', '㉜', '㉝', '㉞', '㉟', '㊱', '㊲', '㊳', '㊴', |
| '㊵', '㊶', '㊷', '㊸', '㊹', '㊺', '㊻', '㊼', '㊽', '㊾', '㊿']; |
| /** |
| * @type {Array<string>} |
| */ |
| this.fencedNumbers = |
| // Numbers in Parenthesis. |
| [ |
| '⑴', '⑵', '⑶', '⑷', '⑸', '⑹', '⑺', '⑻', '⑼', '⑽', '⑾', '⑿', '⒀', |
| '⒁', '⒂', '⒃', '⒄', '⒅', '⒆', '⒇' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.punctuatedNumbers = |
| // Numbers with other punctuation. |
| ['⒈', '⒉', '⒊', '⒋', '⒌', '⒍', '⒎', '⒏', '⒐', '⒑', '⒒', '⒓', '⒔', |
| '⒕', '⒖', '⒗', '⒘', '⒙', '⒚', '⒛', // full stop. |
| '🄀', '🄁', '🄂', '🄃', '🄄', '🄅', '🄆', '🄇', '🄈', '🄉', '🄊' // comma. |
| ]; |
| /** Array of all single digits. |
| * @type {Array<string>} |
| */ |
| this.digits = this.digitsNormal.concat( |
| this.digitsFullWidth, this.digitsBold, this.digitsDoubleStruck, |
| this.digitsSansSerif, this.digitsSansSerifBold, this.digitsMonospace); |
| /** Array of all non-digit number symbols. |
| * @type {Array<string>} |
| */ |
| this.numbers = this.fractions.concat( |
| this.digitsSuperscript, this.digitsSubscript, |
| this.enclosedNumbers, this.fencedNumbers, this.punctuatedNumbers); |
| /** Array of all number symbols. |
| * @type {Array<string>} |
| */ |
| this.allNumbers = this.digits.concat(this.numbers); |
| |
| // Functions. |
| /** |
| * @type {Array<string>} |
| */ |
| this.trigonometricFunctions = |
| [ |
| 'cos', 'cot', 'csc', 'sec', 'sin', 'tan', 'arccos', 'arccot', |
| 'arccsc', 'arcsec', 'arcsin', 'arctan' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.hyperbolicFunctions = |
| [ |
| 'cosh', 'coth', 'csch', 'sech', 'sinh', 'tanh', |
| 'arcosh', 'arcoth', 'arcsch', 'arsech', 'arsinh', 'artanh', |
| 'arccosh', 'arccoth', 'arccsch', 'arcsech', 'arcsinh', 'arctanh' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.algebraicFunctions = |
| [ |
| 'deg', 'det', 'dim', 'hom', 'ker', 'Tr', 'tr' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.elementaryFunctions = |
| [ |
| 'log', 'ln', 'lg', 'exp', 'expt', 'gcd', 'gcd', 'arg', 'im', 're', 'Pr' |
| ]; |
| /** All predefined prefix functions. |
| * @type {Array<string>} |
| */ |
| this.prefixFunctions = this.trigonometricFunctions.concat( |
| this.hyperbolicFunctions, |
| this.algebraicFunctions, |
| this.elementaryFunctions |
| ); |
| /** Limit functions are handled separately as they can have lower (and upper) |
| * limiting expressions. |
| * @type {Array<string>} |
| */ |
| this.limitFunctions = |
| [ |
| 'inf', 'lim', 'liminf', 'limsup', 'max', 'min', 'sup', 'injlim', |
| 'projlim' |
| ]; |
| /** |
| * @type {Array<string>} |
| */ |
| this.infixFunctions = |
| [ |
| 'mod', 'rem' |
| ]; |
| /** |
| * Default assignments of semantic attributes. |
| * @type {Array<{set: Array<string>, |
| * role: cvox.SemanticAttr.Role, |
| * type: cvox.SemanticAttr.Type, |
| * font: cvox.SemanticAttr.Font}>} The semantic meaning of the symbol. |
| * @private |
| */ |
| this.symbolSetToSemantic_ = [ |
| // Punctuation |
| {set: this.generalPunctuations, |
| type: cvox.SemanticAttr.Type.PUNCTUATION, |
| role: cvox.SemanticAttr.Role.UNKNOWN |
| }, |
| {set: this.ellipses, |
| type: cvox.SemanticAttr.Type.PUNCTUATION, |
| role: cvox.SemanticAttr.Role.ELLIPSIS |
| }, |
| {set: this.fullStops, |
| type: cvox.SemanticAttr.Type.PUNCTUATION, |
| role: cvox.SemanticAttr.Role.FULLSTOP |
| }, |
| {set: this.dashes, |
| type: cvox.SemanticAttr.Type.PUNCTUATION, |
| role: cvox.SemanticAttr.Role.DASH |
| }, |
| {set: this.primes, |
| type: cvox.SemanticAttr.Type.PUNCTUATION, |
| role: cvox.SemanticAttr.Role.PRIME |
| }, |
| // Fences |
| {set: this.leftFences, |
| type: cvox.SemanticAttr.Type.FENCE, |
| role: cvox.SemanticAttr.Role.OPEN |
| }, |
| {set: this.rightFences, |
| type: cvox.SemanticAttr.Type.FENCE, |
| role: cvox.SemanticAttr.Role.CLOSE |
| }, |
| {set: this.topFences, |
| type: cvox.SemanticAttr.Type.FENCE, |
| role: cvox.SemanticAttr.Role.TOP |
| }, |
| {set: this.bottomFences, |
| type: cvox.SemanticAttr.Type.FENCE, |
| role: cvox.SemanticAttr.Role.BOTTOM |
| }, |
| {set: this.neutralFences, |
| type: cvox.SemanticAttr.Type.FENCE, |
| role: cvox.SemanticAttr.Role.NEUTRAL |
| }, |
| // Single characters. |
| // Latin alphabets. |
| {set: this.smallLatin, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.capitalLatin, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.smallLatinFullWidth, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.capitalLatinFullWidth, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.smallLatinBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLD |
| }, |
| {set: this.capitalLatinBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLD |
| }, |
| {set: this.smallLatinItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.ITALIC |
| }, |
| {set: this.capitalLatinItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.ITALIC |
| }, |
| {set: this.smallLatinScript, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SCRIPT |
| }, |
| {set: this.capitalLatinScript, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SCRIPT |
| }, |
| {set: this.smallLatinBoldScript, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLDSCRIPT |
| }, |
| {set: this.capitalLatinBoldScript, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLDSCRIPT |
| }, |
| {set: this.smallLatinFraktur, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.FRAKTUR |
| }, |
| {set: this.capitalLatinFraktur, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.FRAKTUR |
| }, |
| {set: this.smallLatinDoubleStruck, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.DOUBLESTRUCK |
| }, |
| {set: this.capitalLatinDoubleStruck, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.DOUBLESTRUCK |
| }, |
| {set: this.smallLatinBoldFraktur, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLDFRAKTUR |
| }, |
| {set: this.capitalLatinBoldFraktur, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.BOLDFRAKTUR |
| }, |
| {set: this.smallLatinSansSerif, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIF |
| }, |
| {set: this.capitalLatinSansSerif, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIF |
| }, |
| {set: this.smallLatinSansSerifBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFBOLD |
| }, |
| {set: this.capitalLatinSansSerifBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFBOLD |
| }, |
| {set: this.smallLatinSansSerifItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFITALIC |
| }, |
| {set: this.capitalLatinSansSerifItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFITALIC |
| }, |
| {set: this.smallLatinMonospace, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.MONOSPACE |
| }, |
| {set: this.capitalLatinMonospace, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.MONOSPACE |
| }, |
| {set: this.latinDoubleStruckItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.LATINLETTER, |
| font: cvox.SemanticAttr.Font.DOUBLESTRUCKITALIC |
| }, |
| // Greek alphabets. |
| {set: this.smallGreek, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.capitalGreek, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.smallGreekBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.BOLD |
| }, |
| {set: this.capitalGreekBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.BOLD |
| }, |
| {set: this.smallGreekItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.ITALIC |
| }, |
| {set: this.capitalGreekItalic, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.ITALIC |
| }, |
| {set: this.smallGreekSansSerifBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFBOLD |
| }, |
| {set: this.capitalGreekSansSerifBold, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.SANSSERIFBOLD |
| }, |
| {set: this.greekDoubleStruck, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.GREEKLETTER, |
| font: cvox.SemanticAttr.Font.DOUBLESTRUCK |
| }, |
| // Other alphabets. |
| {set: this.hebrewLetters, |
| type: cvox.SemanticAttr.Type.IDENTIFIER, |
| role: cvox.SemanticAttr.Role.OTHERLETTER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| // Numbers. |
| {set: this.digitsNormal, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.digitsFullWidth, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.NORMAL |
| }, |
| {set: this.digitsBold, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.BOLD |
| }, |
| {set: this.digitsDoubleStruck, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.DOUBLESTRUCK |
| }, |
| {set: this.digitsSansSerif, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.SANSSERIF |
| }, |
| {set: this.digitsSansSerifBold, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.SANSSERIFBOLD |
| }, |
| {set: this.digitsMonospace, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER, |
| font: cvox.SemanticAttr.Font.MONOSPACE |
| }, |
| {set: this.numbers, |
| type: cvox.SemanticAttr.Type.NUMBER, |
| role: cvox.SemanticAttr.Role.INTEGER |
| }, |
| // Operators. |
| {set: this.additions, |
| type: cvox.SemanticAttr.Type.OPERATOR, |
| role: cvox.SemanticAttr.Role.ADDITION |
| }, |
| {set: this.multiplications, |
| type: cvox.SemanticAttr.Type.OPERATOR, |
| role: cvox.SemanticAttr.Role.MULTIPLICATION |
| }, |
| {set: this.subtractions, |
| type: cvox.SemanticAttr.Type.OPERATOR, |
| role: cvox.SemanticAttr.Role.SUBTRACTION |
| }, |
| {set: this.divisions, |
| type: cvox.SemanticAttr.Type.OPERATOR, |
| role: cvox.SemanticAttr.Role.DIVISION |
| }, |
| {set: this.prefixOps, |
| type: cvox.SemanticAttr.Type.PREFIXOP, |
| role: cvox.SemanticAttr.Role.PREFIXFUNC |
| }, |
| // Relations |
| {set: this.equalities, |
| type: cvox.SemanticAttr.Type.RELATION, |
| role: cvox.SemanticAttr.Role.EQUALITY |
| }, |
| {set: this.inequalities, |
| type: cvox.SemanticAttr.Type.RELATION, |
| role: cvox.SemanticAttr.Role.INEQUALITY |
| }, |
| {set: this.relations, |
| type: cvox.SemanticAttr.Type.RELATION, |
| role: cvox.SemanticAttr.Role.UNKNOWN |
| }, |
| {set: this.arrows, |
| type: cvox.SemanticAttr.Type.RELATION, |
| role: cvox.SemanticAttr.Role.ARROW |
| }, |
| // Large operators |
| {set: this.sumOps, |
| type: cvox.SemanticAttr.Type.LARGEOP, |
| role: cvox.SemanticAttr.Role.SUM}, |
| {set: this.intOps, |
| type: cvox.SemanticAttr.Type.LARGEOP, |
| role: cvox.SemanticAttr.Role.INTEGRAL}, |
| // Functions |
| {set: this.limitFunctions, |
| type: cvox.SemanticAttr.Type.FUNCTION, |
| role: cvox.SemanticAttr.Role.LIMFUNC}, |
| {set: this.prefixFunctions, |
| type: cvox.SemanticAttr.Type.FUNCTION, |
| role: cvox.SemanticAttr.Role.PREFIXFUNC}, |
| {set: this.infixFunctions, |
| type: cvox.SemanticAttr.Type.OPERATOR, |
| role: cvox.SemanticAttr.Role.MULTIPLICATION |
| } |
| // TODO (sorge) Add some of the remaining elements. |
| ]; |
| }; |
| goog.addSingletonGetter(cvox.SemanticAttr); |
| |
| |
| /** |
| * Union type of semantic attributes. |
| * @typedef {cvox.SemanticAttr.Type|cvox.SemanticAttr.Role} |
| */ |
| cvox.SemanticAttr.Attr; |
| |
| |
| /** |
| * Mapping for types of elements. |
| * @enum {string} |
| */ |
| cvox.SemanticAttr.Type = { |
| // Leafs. |
| // Punctuation like comma, dot, ellipses. |
| PUNCTUATION: 'punctuation', |
| // Fence symbol. |
| FENCE: 'fence', |
| // One or several digits, plus some punctuation. |
| NUMBER: 'number', |
| // Single or multiple letters. |
| IDENTIFIER: 'identifier', |
| // Regular text in a math expression. |
| TEXT: 'text', |
| // e.g. +, *. |
| OPERATOR: 'operator', |
| // Relation symbol, e.g. equals. |
| RELATION: 'relation', |
| // e.g. Sum, product, integral. |
| LARGEOP: 'largeop', |
| // Some named function. |
| FUNCTION: 'function', |
| |
| // Branches. |
| // Compound Symbols. |
| ACCENT: 'accent', |
| FENCED: 'fenced', |
| FRACTION: 'fraction', |
| PUNCTUATED: 'punctuated', |
| |
| // Relations. |
| // Relation sequence of a single relation. |
| RELSEQ: 'relseq', |
| // Relation sequence containing at least two different relations. |
| MULTIREL: 'multirel', |
| // Operations. |
| INFIXOP: 'infixop', |
| PREFIXOP: 'prefixop', |
| POSTFIXOP: 'postfixop', |
| |
| // Function and Bigop Application. |
| APPL: 'appl', |
| INTEGRAL: 'integral', |
| BIGOP: 'bigop', |
| |
| SQRT: 'sqrt', |
| ROOT: 'root', |
| // These are bigops or functions with limits. |
| LIMUPPER: 'limupper', |
| LIMLOWER: 'limlower', |
| LIMBOTH: 'limboth', |
| SUBSCRIPT: 'subscript', |
| SUPERSCRIPT: 'superscript', |
| UNDERSCORE: 'underscore', |
| OVERSCORE: 'overscore', |
| |
| // Tables and their elements. |
| TABLE: 'table', |
| MULTILINE: 'multiline', |
| MATRIX: 'matrix', |
| VECTOR: 'vector', |
| CASES: 'cases', |
| ROW: 'row', |
| // Lines are effectively single cell rows. |
| LINE: 'line', |
| CELL: 'cell', |
| |
| // General. |
| UNKNOWN: 'unknown', |
| EMPTY: 'empty' |
| }; |
| |
| |
| /** |
| * Mapping for roles of nodes. |
| * Roles are more specific than types. |
| * @enum {string} |
| */ |
| cvox.SemanticAttr.Role = { |
| // Punctuation. |
| ELLIPSIS: 'ellipsis', |
| FULLSTOP: 'fullstop', |
| DASH: 'dash', |
| PRIME: 'prime', // Superscript. |
| VBAR: 'vbar', // A vertical bar. |
| OPENFENCE: 'openfence', |
| CLOSEFENCE: 'closefence', |
| APPLICATION: 'application', // Function Application. |
| |
| // Fences. |
| OPEN: 'open', |
| CLOSE: 'close', |
| TOP: 'top', |
| BOTTOM: 'bottom', |
| NEUTRAL: 'neutral', |
| |
| // Letters. |
| LATINLETTER: 'latinletter', |
| GREEKLETTER: 'greekletter', |
| OTHERLETTER: 'otherletter', |
| |
| // Numbers. |
| INTEGER: 'integer', |
| FLOAT: 'float', |
| OTHERNUMBER: 'othernumber', |
| |
| // Accents. |
| MULTIACCENT: 'multiaccent', |
| OVERACCENT: 'overaccent', |
| UNDERACCENT: 'underaccent', |
| |
| // Fenced. |
| LEFTRIGHT: 'leftright', |
| ABOVEBELOW: 'abovebelow', |
| |
| // Punctuated elements. |
| SEQUENCE: 'sequence', |
| ENDPUNCT: 'endpunct', |
| STARTPUNCT: 'startpunct', |
| |
| // Operators. |
| NEGATIVE: 'negative', |
| NEGATION: 'negation', |
| MULTIOP: 'multiop', |
| |
| // Functions. |
| LIMFUNC: 'limit function', |
| INFIXFUNC: 'infix function', |
| PREFIXFUNC: 'prefix function', |
| POSTFIXFUNC: 'postfix function', |
| |
| // Large operators. |
| SUM: 'sum', |
| INTEGRAL: 'integral', |
| |
| // Binary operations. |
| ADDITION: 'addition', |
| MULTIPLICATION: 'multiplication', |
| DIVISION: 'division', |
| SUBTRACTION: 'subtraction', |
| IMPLICIT: 'implicit', |
| |
| // Relations. |
| EQUALITY: 'equality', |
| INEQUALITY: 'inequality', |
| ELEMENT: 'element', |
| BINREL: 'binrel', |
| ARROW: 'arrow', |
| |
| // Roles of rows, lines, cells. |
| // They mirror the different types for tables. |
| MULTILINE: 'multiline', |
| MATRIX: 'matrix', |
| VECTOR: 'vector', |
| CASES: 'cases', |
| TABLE: 'table', |
| |
| // General |
| UNKNOWN: 'unknown' |
| }; |
| |
| |
| /** |
| * Mapping for font annotations. (Taken from MathML2 section 3.2.2, with the |
| * exception of double-struck-italic.) |
| * @enum {string} |
| */ |
| cvox.SemanticAttr.Font = { |
| BOLD: 'bold', |
| BOLDFRAKTUR: 'bold-fraktur', |
| BOLDITALIC: 'bold-italic', |
| BOLDSCRIPT: 'bold-script', |
| DOUBLESTRUCK: 'double-struck', |
| DOUBLESTRUCKITALIC: 'double-struck-italic', |
| FRAKTUR: 'fraktur', |
| ITALIC: 'italic', |
| MONOSPACE: 'monospace', |
| NORMAL: 'normal', |
| SCRIPT: 'script', |
| SANSSERIF: 'sans-serif', |
| SANSSERIFITALIC: 'sans-serif-italic', |
| SANSSERIFBOLD: 'sans-serif-bold', |
| SANSSERIFBOLDITALIC: 'sans-serif-bold-italic', |
| UNKNOWN: 'unknown' |
| }; |
| |
| |
| /** |
| * Lookup the semantic type of a symbol. |
| * @param {string} symbol The symbol to which we want to determine the type. |
| * @return {cvox.SemanticAttr.Type} The semantic type of the symbol. |
| */ |
| cvox.SemanticAttr.prototype.lookupType = function(symbol) { |
| return cvox.SemanticAttr.Type.UNKNOWN; |
| }; |
| |
| |
| /** |
| * Lookup the semantic role of a symbol. |
| * @param {string} symbol The symbol to which we want to determine the role. |
| * @return {cvox.SemanticAttr.Role} The semantic role of the symbol. |
| */ |
| cvox.SemanticAttr.prototype.lookupRole = function(symbol) { |
| return cvox.SemanticAttr.Role.UNKNOWN; |
| }; |
| |
| |
| /** |
| * Lookup the semantic meaning of a symbol in terms of type and role. |
| * @param {string} symbol The symbol to which we want to determine the meaning. |
| * @return {{role: cvox.SemanticAttr.Role, |
| * type: cvox.SemanticAttr.Type}} The semantic meaning of the symbol. |
| */ |
| cvox.SemanticAttr.lookupMeaning = function(symbol) { |
| return cvox.SemanticAttr.getInstance().lookupMeaning_(symbol); |
| }; |
| |
| |
| /** |
| * String representation of the invisible times unicode character. |
| * @return {string} The invisible times character. |
| */ |
| cvox.SemanticAttr.invisibleTimes = function() { |
| return cvox.SemanticAttr.getInstance().invisibleTimes_; |
| }; |
| |
| |
| /** |
| * String representation of the invisible comma unicode character. |
| * @return {string} The invisible comma character. |
| */ |
| cvox.SemanticAttr.invisibleComma = function() { |
| return cvox.SemanticAttr.getInstance().invisibleComma_; |
| }; |
| |
| |
| /** |
| * String representation of the function application character. |
| * @return {string} The invisible function application character. |
| */ |
| cvox.SemanticAttr.functionApplication = function() { |
| return cvox.SemanticAttr.getInstance().functionApplication_; |
| }; |
| |
| |
| /** |
| * Decide when two fences match. Currently we match any right to left |
| * or bottom to top fence and neutral to neutral. |
| * @param {cvox.SemanticAttr.Role} open Opening fence. |
| * @param {cvox.SemanticAttr.Role} close Closing fence. |
| * @return {boolean} True if the fences are matching. |
| */ |
| cvox.SemanticAttr.isMatchingFenceRole = function(open, close) { |
| return (open == cvox.SemanticAttr.Role.OPEN && |
| close == cvox.SemanticAttr.Role.CLOSE) || |
| (open == cvox.SemanticAttr.Role.NEUTRAL && |
| close == cvox.SemanticAttr.Role.NEUTRAL) || |
| (open == cvox.SemanticAttr.Role.TOP && |
| close == cvox.SemanticAttr.Role.BOTTOM); |
| }; |
| |
| |
| /** |
| * Decide when opening and closing fences match. For neutral fences they have to |
| * be the same. |
| * @param {string} open Opening fence. |
| * @param {string} close Closing fence. |
| * @return {boolean} True if the fences are matching. |
| */ |
| cvox.SemanticAttr.isMatchingFence = function(open, close) { |
| return cvox.SemanticAttr.getInstance().isMatchingFence_(open, close); |
| }; |
| |
| |
| /** |
| * Determines if a fence is an opening fence. |
| * @param {cvox.SemanticAttr.Role} fence Opening fence. |
| * @return {boolean} True if the fence is open or neutral. |
| */ |
| cvox.SemanticAttr.isOpeningFence = function(fence) { |
| return (fence == cvox.SemanticAttr.Role.OPEN || |
| fence == cvox.SemanticAttr.Role.NEUTRAL); |
| }; |
| |
| |
| /** |
| * Determines if a fence is a closing fence. |
| * @param {cvox.SemanticAttr.Role} fence Closing fence. |
| * @return {boolean} True if the fence is close or neutral. |
| */ |
| cvox.SemanticAttr.isClosingFence = function(fence) { |
| return (fence == cvox.SemanticAttr.Role.CLOSE || |
| fence == cvox.SemanticAttr.Role.NEUTRAL); |
| }; |
| |
| |
| // TODO (sorge) Make this depended on position in the alphabets. |
| /** |
| * Check if a character is a small 'd' in some font. |
| * @param {!string} chr The character string. |
| * @return {boolean} True if the character is indeed a single small d. |
| */ |
| cvox.SemanticAttr.isCharacterD = function(chr) { |
| var Ds = ['d', 'ⅆ', 'ｄ', '𝐝', '𝑑', '𝒹', '𝓭', '𝔡', |
| '𝕕', '𝖉', '𝖽', '𝗱', '𝘥', '𝚍']; |
| return Ds.indexOf(chr) != -1; |
| }; |
| |
| |
| /** |
| * Decide when opening and closing fences match. For neutral fences they have to |
| * be the same. |
| * @param {!string} open Opening fence. |
| * @param {!string} close Closing fence. |
| * @return {boolean} True if the fences are matching. |
| * @private |
| */ |
| cvox.SemanticAttr.prototype.isMatchingFence_ = function(open, close) { |
| if (this.neutralFences.indexOf(open) != -1) { |
| return open == close; |
| } |
| return this.openClosePairs[open] == close || |
| this.topBottomPairs[open] == close; |
| }; |
| |
| |
| /** |
| * Lookup the semantic meaning of a symbol in terms of type and role. |
| * @param {!string} symbol The symbol to which we want to determine the meaning. |
| * @return {{role: cvox.SemanticAttr.Role, |
| * type: cvox.SemanticAttr.Type, |
| * font: cvox.SemanticAttr.Font}} The semantic meaning of the symbol. |
| * @private |
| */ |
| cvox.SemanticAttr.prototype.lookupMeaning_ = function(symbol) { |
| for (var i = 0, set; set = this.symbolSetToSemantic_[i]; i++) { |
| if (set.set.indexOf(symbol) != -1) { |
| return {role: set.role || cvox.SemanticAttr.Role.UNKNOWN, |
| type: set.type || cvox.SemanticAttr.Type.UNKNOWN, |
| font: set.font || cvox.SemanticAttr.Font.UNKNOWN |
| }; |
| } |
| } |
| return {role: cvox.SemanticAttr.Role.UNKNOWN, |
| type: cvox.SemanticAttr.Type.UNKNOWN, |
| font: cvox.SemanticAttr.Font.UNKNOWN |
| }; |
| }; |
