overleaf/services/web/public/js/ace/mode-snippets.js

ace.define("ace/mode/folding/coffee",["require","exports","module","ace/lib/oop","ace/mode/folding/fold_mode","ace/range"], 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/snippets",["require","exports","module","ace/lib/oop","ace/mode/text","ace/mode/text_highlight_rules","ace/mode/folding/coffee"], function(require, exports, module) {
"use strict";

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

var SnippetHighlightRules = function() {

    var builtins = "SELECTION|CURRENT_WORD|SELECTED_TEXT|CURRENT_LINE|LINE_INDEX|" +
        "LINE_NUMBER|SOFT_TABS|TAB_SIZE|FILENAME|FILEPATH|FULLNAME";

    this.$rules = {
        "start" : [
            {token:"constant.language.escape", regex: /\\[\$}`\\]/},
            {token:"keyword", regex: "\\$(?:TM_)?(?:" + builtins + ")\\b"},
            {token:"variable", regex: "\\$\\w+"},
            {onMatch: function(value, state, stack) {
                if (stack[1])
                    stack[1]++;
                else
                    stack.unshift(state, 1);
                return this.tokenName;
            }, tokenName: "markup.list", regex: "\\${", next: "varDecl"},
            {onMatch: function(value, state, stack) {
                if (!stack[1])
                    return "text";
                stack[1]--;
                if (!stack[1])
                    stack.splice(0,2);
                return this.tokenName;
            }, tokenName: "markup.list", regex: "}"},
            {token: "doc.comment", regex:/^\${2}-{5,}$/}
        ],
        "varDecl" : [
            {regex: /\d+\b/, token: "constant.numeric"},
            {token:"keyword", regex: "(?:TM_)?(?:" + builtins + ")\\b"},
            {token:"variable", regex: "\\w+"},
            {regex: /:/, token: "punctuation.operator", next: "start"},
            {regex: /\//, token: "string.regex", next: "regexp"},
            {regex: "", next: "start"}
        ],
        "regexp" : [
            {regex: /\\./, token: "escape"},
            {regex: /\[/, token: "regex.start", next: "charClass"},
            {regex: "/", token: "string.regex", next: "format"},
            {"token": "string.regex", regex:"."}
        ],
        charClass : [
            {regex: "\\.", token: "escape"},
            {regex: "\\]", token: "regex.end", next: "regexp"},
            {"token": "string.regex", regex:"."}
        ],
        "format" : [
            {regex: /\\[ulULE]/, token: "keyword"},
            {regex: /\$\d+/, token: "variable"},
            {regex: "/[gim]*:?", token: "string.regex", next: "start"},
            {"token": "string", regex:"."}
        ]
    };
};
oop.inherits(SnippetHighlightRules, TextHighlightRules);

exports.SnippetHighlightRules = SnippetHighlightRules;

var SnippetGroupHighlightRules = function() {
    this.$rules = {
        "start" : [
			{token: "text", regex: "^\\t", next: "sn-start"},
			{token:"invalid", regex: /^ \s*/},
            {token:"comment", regex: /^#.*/},
            {token:"constant.language.escape", regex: "^regex ", next: "regex"},
            {token:"constant.language.escape", regex: "^(trigger|endTrigger|name|snippet|guard|endGuard|tabTrigger|key)\\b"}
        ],
		"regex" : [
			{token:"text", regex: "\\."},
			{token:"keyword", regex: "/"},
			{token:"empty", regex: "$", next: "start"}
		]
    };
	this.embedRules(SnippetHighlightRules, "sn-", [
		{token: "text", regex: "^\\t", next: "sn-start"},
		{onMatch: function(value, state, stack) {
			stack.splice(stack.length);
			return this.tokenName;
		}, tokenName: "text", regex: "^(?!\t)", next: "start"}
	])
	
};

oop.inherits(SnippetGroupHighlightRules, TextHighlightRules);

exports.SnippetGroupHighlightRules = SnippetGroupHighlightRules;

var FoldMode = require("./folding/coffee").FoldMode;

var Mode = function() {
    this.HighlightRules = SnippetGroupHighlightRules;
    this.foldingRules = new FoldMode();
};
oop.inherits(Mode, TextMode);

(function() {
    this.$indentWithTabs = true;
    this.lineCommentStart = "#";
    this.$id = "ace/mode/snippets";
}).call(Mode.prototype);
exports.Mode = Mode;


});