230 lines
7.9 KiB
JavaScript
230 lines
7.9 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2010, Ajax.org B.V.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("ace/lib/oop");
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var TextHighlightRules = require("ace/mode/text_highlight_rules").TextHighlightRules;
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var HtmlHighlightRules = require("ace/mode/html_highlight_rules").HtmlHighlightRules;
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var MarkdownHighlightRules = function() {
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HtmlHighlightRules.call(this);
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// regexp must not have capturing parentheses
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// regexps are ordered -> the first match is used
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this.$rules["start"].unshift({
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token : "empty_line",
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regex : '^$',
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next: "allowBlock"
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}, { // h1
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token: "markup.heading.multi.1",
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regex: "^=+(?=\\s*$)"
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}, { // h2
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token: "markup.heading.multi.2",
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regex: "^\\-+(?=\\s*$)"
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}, {
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token : function(value) {
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return "markup.heading." + value.length;
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},
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regex : /^#{1,6}(?=\s*[^ #]|\s+#.)/,
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next : "header"
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},
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{ // Github style block
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token : "code_block",
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regex : "^```\\s*[a-zA-Z]*(?:{.*?\\})?\\s*$",
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next : "githubblock"
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}, { // block quote
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token : "blockquote",
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regex : "^\\s*>\\s*(?:[*+-]|\\d+\\.)?\\s+",
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next : "blockquote"
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}, { // HR * - _
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token : "constant",
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regex : "^ {0,2}(?:(?: ?\\* ?){3,}|(?: ?\\- ?){3,}|(?: ?\\_ ?){3,})\\s*$",
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next: "allowBlock"
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}, { // list
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token : "markup.list",
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regex : "^\\s{0,3}(?:[*+-]|\\d+\\.)\\s+",
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next : "listblock-start"
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}, { // Escaped $
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token : "text",
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regex : "\\\\\\$",
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}, { // Math block
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token : "constant.language.escape",
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regex : "\\$\\$|\\\\\\\\\\[|\\\\\\\\\\\\\\\\\\(",
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next : "mathblock"
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}, { // Math inline
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token : ["constant.language.escape", "keyword", "constant.language.escape"],
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regex : "(\\$)(.*)(\\$)"
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}, { // LaTeX block
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token : ["keyword", "text"],
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regex : "(\\\\?\\\\begin)(\\{[a-z]*\\*?\\})",
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next : "latexblock"
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}, {
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include : "basic"
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});
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this.addRules({
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"basic" : [{
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token : "constant.language.escape",
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regex : /\\[\\`*_{}\[\]()#+\-.!]/
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}, { // code span `
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token : "code",
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regex : "(`+)(.*?[^`])(\\1)"
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}, { // reference
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token : ["text", "reference", "text", "link", "description", "text"],
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regex : "^([ ]{0,3}\\[)([^\\]]+)(\\]:\\s*)([^ ]+)(\\s*(?:[\"][^\"]+[\"])?(\\s*))$"
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}, { // link by reference
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token : ["text", "markup.underline", "text", "reference", "text"],
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regex : "(\\[)((?:[[^\\]]*\\]|[^\\[\\]])*)(\\][ ]?(?:\\n[ ]*)?\\[)(.*?)(\\])"
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}, { // link by url
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token : ["text", "markup.underline", "text", "link", "description", "text"],
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regex : "(\\[)"+
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"(\\[[^\\]]*\\]|[^\\[\\]]*)"+
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"(\\]\\([ \\t]*)"+
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"(<?(?:(?:[^\\(]*?\\([^\\)]*?\\)\\S*?)|(?:.*?))>?)"+
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"((?:[ \t]*\"(?:.*?)\"[ \\t]*)?)"+
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"(\\))"
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}, { // strong ** __
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token : "strong",
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regex : "([*]{2}|[_]{2}(?=\\S))(.*?\\S[*_]*)(\\1)"
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}, { // emphasis * _
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token : "emphasis",
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regex : "([*]|[_](?=\\S))(.*?\\S[*_]*)(\\1)"
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}, { //
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token : ["text", "url", "text"],
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regex : "(<)("+
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"(?:https?|ftp|dict):[^'\">\\s]+"+
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"|"+
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"(?:mailto:)?[-.\\w]+\\@[-a-z0-9]+(?:\\.[-a-z0-9]+)*\\.[a-z]+"+
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")(>)"
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}],
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// code block
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"allowBlock": [
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{token : ["text", "code_block"], regex : "^( {4}|\\t)(.+)", next : "allowBlock"},
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{token : "empty", regex : "", next : "start"}
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],
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"header" : [{
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regex: "$",
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next : "start"
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}, {
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include: "basic"
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}, {
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defaultToken : "markup.heading"
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} ],
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"listblock-start" : [{
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token : "checkbox",
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regex : /(?:\[[ x]\])?/,
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next : "listblock"
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}],
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"listblock" : [ { // Lists only escape on completely blank lines.
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token : "empty_line",
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regex : "^$",
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next : "start"
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}, { // list
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token : "markup.list",
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regex : "^\\s{0,3}(?:[*+-]|\\d+\\.)\\s+",
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next : "listblock-start"
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}, {
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include : "basic", noEscape: true
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}, {
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defaultToken : "markup.list"
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} ],
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"blockquote" : [ { // BLockquotes only escape on blank lines.
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token : "empty_line",
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regex : "^\\s*$",
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next : "start"
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}, { // block quote
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token : "blockquote",
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regex : "^\\s*>\\s*(?:[*+-]|\\d+\\.)?\\s+",
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next : "blockquote"
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}, {
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include : "basic", noEscape: true
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}, {
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defaultToken : "blockquote"
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} ],
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"githubblock" : [ {
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token : "code_block",
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regex : "^```",
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next : "start"
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}, {
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token : "code_block",
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regex : ".+"
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} ],
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"mathblock" : [ {
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token : "constant.language.escape",
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regex : "\\$\\$|\\\\\\\\\\]|\\\\\\\\\\\\\\\\\\)",
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next : "start"
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}, {
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include : "latex"
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} ],
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"latexblock" : [{
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token : ["keyword", "text"],
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regex : "(\\\\?\\\\end)(\\{[a-z]*\\*?\\})",
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next : "start"
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}, {
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include : "latex"
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}],
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"latex" : [{
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// A tex command e.g. \foo
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token : "keyword",
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regex : "\\\\(?:[^a-zA-Z]|[a-zA-Z]+)"
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}, {
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// Curly and square braces
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token : "lparen",
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regex : "[[({]"
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}, {
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// Curly and square braces
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token : "rparen",
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regex : "[\\])}]"
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}, {
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// A comment. Tex comments start with % and go to
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// the end of the line
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token : "comment",
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regex : "%.*$"
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}]
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});
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this.normalizeRules();
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};
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oop.inherits(MarkdownHighlightRules, TextHighlightRules);
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exports.MarkdownHighlightRules = MarkdownHighlightRules;
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});
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