overleaf/services/web/public/js/ace/mode/tex_highlight_rules.js
2014-02-12 10:23:40 +00:00

107 lines
3.8 KiB
JavaScript
Executable file

/*
* tex_highlight_rules.js
*
* Copyright (C) 2009-11 by RStudio, Inc.
*
* The Initial Developer of the Original Code is
* Ajax.org B.V.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* This program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
define(function(require, exports, module) {
"use strict";
var oop = require("../lib/oop");
var lang = require("../lib/lang");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var TexHighlightRules = function(textClass) {
if (!textClass)
textClass = "text";
// regexp must not have capturing parentheses. Use (?:) instead.
// regexps are ordered -> the first match is used
this.$rules = {
"start" : [
{
token : "comment",
regex : "%.*$"
}, {
token : textClass, // non-command
regex : "\\\\[$&%#\\{\\}]"
}, {
token : "keyword", // command
regex : "\\\\(?:documentclass|usepackage|newcounter|setcounter|addtocounter|value|arabic|stepcounter|newenvironment|renewenvironment|ref|vref|eqref|pageref|label|cite[a-zA-Z]*|tag|begin|end|bibitem)\\b",
next : "nospell"
}, {
token : "keyword", // command
regex : "\\\\(?:[a-zA-z0-9]+|[^a-zA-z0-9])"
}, {
// Obviously these are neither keywords nor operators, but
// labelling them as such was the easiest way to get them
// to be colored distinctly from regular text
token : "paren.keyword.operator",
regex : "[[({]"
}, {
// Obviously these are neither keywords nor operators, but
// labelling them as such was the easiest way to get them
// to be colored distinctly from regular text
token : "paren.keyword.operator",
regex : "[\\])}]"
}, {
token : textClass,
regex : "\\s+"
}
],
// This mode is necessary to prevent spell checking, but to keep the
// same syntax highlighting behavior. The list of commands comes from
// Texlipse.
"nospell" : [
{
token : "comment",
regex : "%.*$",
next : "start"
}, {
token : "nospell." + textClass, // non-command
regex : "\\\\[$&%#\\{\\}]"
}, {
token : "keyword", // command
regex : "\\\\(?:documentclass|usepackage|newcounter|setcounter|addtocounter|value|arabic|stepcounter|newenvironment|renewenvironment|ref|vref|eqref|pageref|label|cite[a-zA-Z]*|tag|begin|end|bibitem)\\b"
}, {
token : "keyword", // command
regex : "\\\\(?:[a-zA-z0-9]+|[^a-zA-z0-9])",
next : "start"
}, {
token : "paren.keyword.operator",
regex : "[[({]"
}, {
token : "paren.keyword.operator",
regex : "[\\])]"
}, {
token : "paren.keyword.operator",
regex : "}",
next : "start"
}, {
token : "nospell." + textClass,
regex : "\\s+"
}, {
token : "nospell." + textClass,
regex : "\\w+"
}
]
};
};
oop.inherits(TexHighlightRules, TextHighlightRules);
exports.TexHighlightRules = TexHighlightRules;
});