overleaf/services/web/public/js/ace/mode/twig.js

/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2013, 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.
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 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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define(function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var JavaScriptMode = require("./javascript").Mode;
var CssMode = require("./css").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var TwigHighlightRules = require("./twig_highlight_rules").TwigHighlightRules;
var HtmlBehaviour = require("./behaviour/html").HtmlBehaviour;
var HtmlFoldMode = require("./folding/html").FoldMode;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;

var Mode = function() {
    this.HighlightRules = TwigHighlightRules;
    this.$outdent = new MatchingBraceOutdent();
    this.$behaviour = new HtmlBehaviour();

    this.createModeDelegates({
        "js-": JavaScriptMode,
        "css-": CssMode
    });

    this.foldingRules = new HtmlFoldMode();
};
oop.inherits(Mode, TextMode);

(function() {
    this.blockComment = {start: "{#", end: "#}"};

    this.getNextLineIndent = function(state, line, tab) {
        var indent = this.$getIndent(line);

        var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
        var tokens = tokenizedLine.tokens;
        var endState = tokenizedLine.state;

        if (tokens.length && tokens[tokens.length-1].type == "comment") {
            return indent;
        }

        if (state == "start") {
            var match = line.match(/^.*[\{\(\[]\s*$/);
            if (match) {
                indent += tab;
            }
        }

        return indent;
    };

    this.checkOutdent = function(state, line, input) {
        return this.$outdent.checkOutdent(line, input);
    };

    this.autoOutdent = function(state, doc, row) {
        this.$outdent.autoOutdent(doc, row);
    };
}).call(Mode.prototype);

exports.Mode = Mode;
});