overleaf/services/web/frontend/js/vendor/ace-1.4.5/mode-yaml.js

ace.define("ace/mode/yaml_highlight_rules",[], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;

var YamlHighlightRules = function() {
    this.$rules = {
        "start" : [
            {
                token : "comment",
                regex : "#.*$"
            }, {
                token : "list.markup",
                regex : /^(?:-{3}|\.{3})\s*(?=#|$)/
            },  {
                token : "list.markup",
                regex : /^\s*[\-?](?:$|\s)/
            }, {
                token: "constant",
                regex: "!![\\w//]+"
            }, {
                token: "constant.language",
                regex: "[&\\*][a-zA-Z0-9-_]+"
            }, {
                token: ["meta.tag", "keyword"],
                regex: /^(\s*\w.*?)(:(?=\s|$))/
            },{
                token: ["meta.tag", "keyword"],
                regex: /(\w+?)(\s*:(?=\s|$))/
            }, {
                token : "keyword.operator",
                regex : "<<\\w*:\\w*"
            }, {
                token : "keyword.operator",
                regex : "-\\s*(?=[{])"
            }, {
                token : "string", // single line
                regex : '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
            }, {
                token : "string", // multi line string start
                regex : /[|>][-+\d]*(?:$|\s+(?:$|#))/,
                onMatch: function(val, state, stack, line) {
                    line = line.replace(/ #.*/, "");
                    var indent = /^ *((:\s*)?-(\s*[^|>])?)?/.exec(line)[0]
                        .replace(/\S\s*$/, "").length;
                    var indentationIndicator = parseInt(/\d+[\s+-]*$/.exec(line));
                    
                    if (indentationIndicator) {
                        indent += indentationIndicator - 1;
                        this.next = "mlString";
                    } else {
                        this.next = "mlStringPre";
                    }
                    if (!stack.length) {
                        stack.push(this.next);
                        stack.push(indent);
                    } else {
                        stack[0] = this.next;
                        stack[1] = indent;
                    }
                    return this.token;
                },
                next : "mlString"
            }, {
                token : "string", // single quoted string
                regex : "['](?:(?:\\\\.)|(?:[^'\\\\]))*?[']"
            }, {
                token : "constant.numeric", // float
                regex : /(\b|[+\-\.])[\d_]+(?:(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)(?=[^\d-\w]|$)/
            }, {
                token : "constant.numeric", // other number
                regex : /[+\-]?\.inf\b|NaN\b|0x[\dA-Fa-f_]+|0b[10_]+/
            }, {
                token : "constant.language.boolean",
                regex : "\\b(?:true|false|TRUE|FALSE|True|False|yes|no)\\b"
            }, {
                token : "paren.lparen",
                regex : "[[({]"
            }, {
                token : "paren.rparen",
                regex : "[\\])}]"
            }, {
                token : "text",
                regex : /[^\s,:\[\]\{\}]+/
            }
        ],
        "mlStringPre" : [
            {
                token : "indent",
                regex : /^ *$/
            }, {
                token : "indent",
                regex : /^ */,
                onMatch: function(val, state, stack) {
                    var curIndent = stack[1];

                    if (curIndent >= val.length) {
                        this.next = "start";
                        stack.shift();
                        stack.shift();
                    }
                    else {
                        stack[1] = val.length - 1;
                        this.next = stack[0] = "mlString";
                    }
                    return this.token;
                },
                next : "mlString"
            }, {
                defaultToken : "string"
            }
        ],
        "mlString" : [
            {
                token : "indent",
                regex : /^ *$/
            }, {
                token : "indent",
                regex : /^ */,
                onMatch: function(val, state, stack) {
                    var curIndent = stack[1];

                    if (curIndent >= val.length) {
                        this.next = "start";
                        stack.splice(0);
                    }
                    else {
                        this.next = "mlString";
                    }
                    return this.token;
                },
                next : "mlString"
            }, {
                token : "string",
                regex : '.+'
            }
        ]};
    this.normalizeRules();

};

oop.inherits(YamlHighlightRules, TextHighlightRules);

exports.YamlHighlightRules = YamlHighlightRules;
});

ace.define("ace/mode/matching_brace_outdent",[], function(require, exports, module) {
"use strict";

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;
});

ace.define("ace/mode/folding/coffee",[], function(require, exports, module) {
"use strict";

var oop = require("../../lib/oop");
var BaseFoldMode = require("./fold_mode").FoldMode;
var Range = require("../../range").Range;

var FoldMode = exports.FoldMode = function() {};
oop.inherits(FoldMode, BaseFoldMode);

(function() {

    this.getFoldWidgetRange = function(session, foldStyle, row) {
        var range = this.indentationBlock(session, row);
        if (range)
            return range;

        var re = /\S/;
        var line = session.getLine(row);
        var startLevel = line.search(re);
        if (startLevel == -1 || line[startLevel] != "#")
            return;

        var startColumn = line.length;
        var maxRow = session.getLength();
        var startRow = row;
        var endRow = row;

        while (++row < maxRow) {
            line = session.getLine(row);
            var level = line.search(re);

            if (level == -1)
                continue;

            if (line[level] != "#")
                break;

            endRow = row;
        }

        if (endRow > startRow) {
            var endColumn = session.getLine(endRow).length;
            return new Range(startRow, startColumn, endRow, endColumn);
        }
    };
    this.getFoldWidget = function(session, foldStyle, row) {
        var line = session.getLine(row);
        var indent = line.search(/\S/);
        var next = session.getLine(row + 1);
        var prev = session.getLine(row - 1);
        var prevIndent = prev.search(/\S/);
        var nextIndent = next.search(/\S/);

        if (indent == -1) {
            session.foldWidgets[row - 1] = prevIndent!= -1 && prevIndent < nextIndent ? "start" : "";
            return "";
        }
        if (prevIndent == -1) {
            if (indent == nextIndent && line[indent] == "#" && next[indent] == "#") {
                session.foldWidgets[row - 1] = "";
                session.foldWidgets[row + 1] = "";
                return "start";
            }
        } else if (prevIndent == indent && line[indent] == "#" && prev[indent] == "#") {
            if (session.getLine(row - 2).search(/\S/) == -1) {
                session.foldWidgets[row - 1] = "start";
                session.foldWidgets[row + 1] = "";
                return "";
            }
        }

        if (prevIndent!= -1 && prevIndent < indent)
            session.foldWidgets[row - 1] = "start";
        else
            session.foldWidgets[row - 1] = "";

        if (indent < nextIndent)
            return "start";
        else
            return "";
    };

}).call(FoldMode.prototype);

});

ace.define("ace/mode/yaml",[], function(require, exports, module) {
"use strict";

var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var YamlHighlightRules = require("./yaml_highlight_rules").YamlHighlightRules;
var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
var FoldMode = require("./folding/coffee").FoldMode;

var Mode = function() {
    this.HighlightRules = YamlHighlightRules;
    this.$outdent = new MatchingBraceOutdent();
    this.foldingRules = new FoldMode();
    this.$behaviour = this.$defaultBehaviour;
};
oop.inherits(Mode, TextMode);

(function() {

    this.lineCommentStart = ["#"];
    
    this.getNextLineIndent = function(state, line, tab) {
        var indent = this.$getIndent(line);

        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);
    };


    this.$id = "ace/mode/yaml";
}).call(Mode.prototype);

exports.Mode = Mode;

});
                (function() {
                    ace.require(["ace/mode/yaml"], function(m) {
                        if (typeof module == "object" && typeof exports == "object" && module) {
                            module.exports = m;
                        }
                    });
                })();