Zabbix

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

var BBCode = {

    opentags: null, // open tag stack

    crlf2br: null, // convert CRLF to <br>?

    noparse: null, // ignore BBCode tags?

    urlstart: null, // beginning of the URL if zero or greater (ignored if -1)

​

    RE: {

        'bbcode': /^\/?(?:b|i|u|pre|code|color|size|noparse|url)$/, // BBcode tags

        'color': /^(:?#(?:[0-9a-f]{3})?[0-9a-f]{3})$/i, // color names or hex color

        'uri': /^[-;\/\?:@&=\+\$,_\.!~\*'\(\)%0-9a-z]{1,512}$/i, // reserved, unreserved, escaped and alphanumeric [RFC2396]

        'format': /([\r\n])|(?:\[([a-z]{1,16})(?:=([^\x00-\x1F''\(\)<>\[\]]{1,256}))?\])|(?:\[\/([a-z]{1,16})\])/ig // main regular expression: CRLF, [tag=option], [tag] or [/tag]

    },

​

    // post must be HTML-encoded

    Parse: function(post) {

        this.crlf2br = false;

        this.noparse = false;

        this.urlstart = -1;

        this.opentags = [];

​

        var result = post.replace(this.RE.format, this.toHtml.bind(this));

​

        if (this.opentags.length) {

            var endtags = '';

​

            if (this.opentags[this.opentags.length-1].bbtag == 'url') {

                this.opentags.pop();

                endtags += '\'>' + post.substr(this.urlstart, post.length-this.urlstart) + '</a>';

            }

​

            while (this.opentags.length) {

                endtags += this.opentags.pop().etag;

            }

        }

​

        return endtags ? result + endtags : result;

    },

​

    // check if it's a valid BBCode tag

    isValidTag: function(str) {

        if (empty(str)) {

            return false;

        }