stripslashes,addslashes,htmlentities_decode in Javascript


stripslashes and addslashes in Javascript.
Along with htmlentities decode by javascript.

//annet-pk 2011.04.26 messages part
    function addslashes(str) {
    str=str.replace(/\\/g,'\\\\');
    str=str.replace(/\'/g,'\\\'');
    str=str.replace(/\"/g,'\\"');
    str=str.replace(/\0/g,'\\0');
    return str;
    }
    function stripslashes(str) {
    str=str.replace(/\\'/g,'\'');
    str=str.replace(/\\"/g,'"');
    str=str.replace(/\\0/g,'\0');
    str=str.replace(/\\\\/g,'\\');
    return str;
    }

    function get_html_translation_table (table, quote_style) {
        // http://kevin.vanzonneveld.net
        // +   original by: Philip Peterson
        // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
        // +   bugfixed by: noname
        // +   bugfixed by: Alex
        // +   bugfixed by: Marco
        // +   bugfixed by: madipta
        // +   improved by: KELAN
        // +   improved by: Brett Zamir (http://brett-zamir.me)
        // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
        // +      input by: Frank Forte
        // +   bugfixed by: T.Wild
        // +      input by: Ratheous
        // %          note: It has been decided that we're not going to add global
        // %          note: dependencies to php.js, meaning the constants are not
        // %          note: real constants, but strings instead. Integers are also supported if someone
        // %          note: chooses to create the constants themselves.
        // *     example 1: get_html_translation_table('HTML_SPECIALCHARS');
        // *     returns 1: {'"': '&quot;', '&': '&amp;', '<': '&lt;', '>': '&gt;'}
        var entities = {},
            hash_map = {},
            decimal = 0,
            symbol = '';
        var constMappingTable = {},
            constMappingQuoteStyle = {};
        var useTable = {},
            useQuoteStyle = {};

        // Translate arguments
        constMappingTable[0] = 'HTML_SPECIALCHARS';
        constMappingTable[1] = 'HTML_ENTITIES';
        constMappingQuoteStyle[0] = 'ENT_NOQUOTES';
        constMappingQuoteStyle[2] = 'ENT_COMPAT';
        constMappingQuoteStyle[3] = 'ENT_QUOTES';

        useTable = !isNaN(table) ? constMappingTable[table] : table ? table.toUpperCase() : 'HTML_SPECIALCHARS';
        useQuoteStyle = !isNaN(quote_style) ? constMappingQuoteStyle[quote_style] : quote_style ? quote_style.toUpperCase() : 'ENT_COMPAT';

        if (useTable !== 'HTML_SPECIALCHARS' && useTable !== 'HTML_ENTITIES') {
            throw new Error("Table: " + useTable + ' not supported');
            // return false;
        }
        entities['38'] = '&amp;';
        if (useTable === 'HTML_ENTITIES') {
            entities['160'] = '&nbsp;';
            entities['161'] = '&iexcl;';
            entities['162'] = '&cent;';
            entities['163'] = '&pound;';
            entities['164'] = '&curren;';
            entities['165'] = '&yen;';
            entities['166'] = '&brvbar;';
            entities['167'] = '&sect;';
            entities['168'] = '&uml;';
            entities['169'] = '&copy;';
            entities['170'] = '&ordf;';
            entities['171'] = '&laquo;';
            entities['172'] = '&not;';
            entities['173'] = '&shy;';
            entities['174'] = '&reg;';
            entities['175'] = '&macr;';
            entities['176'] = '&deg;';
            entities['177'] = '&plusmn;';
            entities['178'] = '&sup2;';
            entities['179'] = '&sup3;';
            entities['180'] = '&acute;';
            entities['181'] = '&micro;';
            entities['182'] = '&para;';
            entities['183'] = '&middot;';
            entities['184'] = '&cedil;';
            entities['185'] = '&sup1;';
            entities['186'] = '&ordm;';
            entities['187'] = '&raquo;';
            entities['188'] = '&frac14;';
            entities['189'] = '&frac12;';
            entities['190'] = '&frac34;';
            entities['191'] = '&iquest;';
            entities['192'] = '&Agrave;';
            entities['193'] = '&Aacute;';
            entities['194'] = '&Acirc;';
            entities['195'] = '&Atilde;';
            entities['196'] = '&Auml;';
            entities['197'] = '&Aring;';
            entities['198'] = '&AElig;';
            entities['199'] = '&Ccedil;';
            entities['200'] = '&Egrave;';
            entities['201'] = '&Eacute;';
            entities['202'] = '&Ecirc;';
            entities['203'] = '&Euml;';
            entities['204'] = '&Igrave;';
            entities['205'] = '&Iacute;';
            entities['206'] = '&Icirc;';
            entities['207'] = '&Iuml;';
            entities['208'] = '&ETH;';
            entities['209'] = '&Ntilde;';
            entities['210'] = '&Ograve;';
            entities['211'] = '&Oacute;';
            entities['212'] = '&Ocirc;';
            entities['213'] = '&Otilde;';
            entities['214'] = '&Ouml;';
            entities['215'] = '&times;';
            entities['216'] = '&Oslash;';
            entities['217'] = '&Ugrave;';
            entities['218'] = '&Uacute;';
            entities['219'] = '&Ucirc;';
            entities['220'] = '&Uuml;';
            entities['221'] = '&Yacute;';
            entities['222'] = '&THORN;';
            entities['223'] = '&szlig;';
            entities['224'] = '&agrave;';
            entities['225'] = '&aacute;';
            entities['226'] = '&acirc;';
            entities['227'] = '&atilde;';
            entities['228'] = '&auml;';
            entities['229'] = '&aring;';
            entities['230'] = '&aelig;';
            entities['231'] = '&ccedil;';
            entities['232'] = '&egrave;';
            entities['233'] = '&eacute;';
            entities['234'] = '&ecirc;';
            entities['235'] = '&euml;';
            entities['236'] = '&igrave;';
            entities['237'] = '&iacute;';
            entities['238'] = '&icirc;';
            entities['239'] = '&iuml;';
            entities['240'] = '&eth;';
            entities['241'] = '&ntilde;';
            entities['242'] = '&ograve;';
            entities['243'] = '&oacute;';
            entities['244'] = '&ocirc;';
            entities['245'] = '&otilde;';
            entities['246'] = '&ouml;';
            entities['247'] = '&divide;';
            entities['248'] = '&oslash;';
            entities['249'] = '&ugrave;';
            entities['250'] = '&uacute;';
            entities['251'] = '&ucirc;';
            entities['252'] = '&uuml;';
            entities['253'] = '&yacute;';
            entities['254'] = '&thorn;';
            entities['255'] = '&yuml;';
        }

        if (useQuoteStyle !== 'ENT_NOQUOTES') {
            entities['34'] = '&quot;';
        }
        if (useQuoteStyle === 'ENT_QUOTES') {
            entities['39'] = '&#39;';
        }
        entities['60'] = '&lt;';
        entities['62'] = '&gt;';


        // ascii decimals to real symbols
        for (decimal in entities) {
            symbol = String.fromCharCode(decimal);
            hash_map[symbol] = entities[decimal];
        }

        return hash_map;
    }

    function html_entity_decode( string, quote_style ) {
    // Convert all HTML entities to their applicable characters
    //
    // version: 901.714
    // discuss at: http://phpjs.org/functions/html_entity_decode
    var histogram = {}, symbol = '', tmp_str = '', entity = '';
    tmp_str = string.toString();

    if (false === (histogram = get_html_translation_table('HTML_ENTITIES', quote_style))) {
        return false;
    }

    // &amp; must be the last character when decoding!
    delete(histogram['&']);
    histogram['&'] = '&amp;';

    for (symbol in histogram) {
        entity = histogram[symbol];
        tmp_str = tmp_str.split(entity).join(symbol);
    }

    return tmp_str;
}
//annet-pk 2011.04.26 messages part ends

you can download code file from here
http://www.4shared.com/document/dU-pq4d7/addslashesstripslasheshtmlenti.html

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About Pragnesh Karia

Pragnesh Karia, Open Source Enthusiast, Software Professional, Software Developer, Technical Lead ,Magento, Joomla ,Joomla LMS , Moodel LMS ,PHP ,Mysql, Ajax, Javascript, Jquery, Linux, Fan of Open Sources , Annet Technologies , SEO Analyst , Mootools