Caret/js/ace/mode-tex.js

/*
 * tex.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.
 *
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *
 */
ace.define('ace/mode/tex', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/text_highlight_rules', 'ace/mode/tex_highlight_rules', 'ace/mode/matching_brace_outdent'], function(require, exports, module) {


var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var TexHighlightRules = require("./tex_highlight_rules").TexHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;

var Mode = function(suppressHighlighting) {
	if (suppressHighlighting)
    	this.HighlightRules = TextHighlightRules;
	else
    	this.HighlightRules = TexHighlightRules;
    this.$outdent = new MatchingBraceOutdent();
};
oop.inherits(Mode, TextMode);

(function() {
   this.getNextLineIndent = function(state, line, tab) {
      return this.$getIndent(line);
   };

   this.allowAutoInsert = function() {
      return false;
   };
}).call(Mode.prototype);

exports.Mode = Mode;
});
ace.define('ace/mode/tex_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/lib/lang', 'ace/mode/text_highlight_rules'], function(require, exports, module) {


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";

    this.$rules = {
        "start" : [
	        {
	            token : "comment",
	            regex : "%.*$"
	        }, {
	            token : textClass, // non-command
	            regex : "\\\\[$&%#\\{\\}]"
	        }, {
	            token : "keyword", // command
	            regex : "\\\\(?:documentclass|usepackage|newcounter|setcounter|addtocounter|value|arabic|stepcounter|newenvironment|renewenvironment|ref|vref|eqref|pageref|label|cite[a-zA-Z]*|tag|begin|end|bibitem)\\b",
               next : "nospell"
	        }, {
	            token : "keyword", // command
	            regex : "\\\\(?:[a-zA-z0-9]+|[^a-zA-z0-9])"
	        }, {
               token : "paren.keyword.operator",
	            regex : "[[({]"
	        }, {
               token : "paren.keyword.operator",
	            regex : "[\\])}]"
	        }, {
	            token : textClass,
	            regex : "\\s+"
	        }
        ],
        "nospell" : [
           {
               token : "comment",
               regex : "%.*$",
               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;
});

ace.define('ace/mode/matching_brace_outdent', ['require', 'exports', 'module' , 'ace/range'], function(require, exports, module) {


var Range = require("../range").Range;

var MatchingBraceOutdent = function() {};

(function() {

    this.checkOutdent = function(line, input) {
        if (! /^\s+$/.test(line))
            return false;

        return /^\s*\}/.test(input);
    };

    this.autoOutdent = function(doc, row) {
        var line = doc.getLine(row);
        var match = line.match(/^(\s*\})/);

        if (!match) return 0;

        var column = match[1].length;
        var openBracePos = doc.findMatchingBracket({row: row, column: column});

        if (!openBracePos || openBracePos.row == row) return 0;

        var indent = this.$getIndent(doc.getLine(openBracePos.row));
        doc.replace(new Range(row, 0, row, column-1), indent);
    };

    this.$getIndent = function(line) {
        return line.match(/^\s*/)[0];
    };

}).call(MatchingBraceOutdent.prototype);

exports.MatchingBraceOutdent = MatchingBraceOutdent;
});