String.prototype.csvToArray = function()

in utility_scripts/csv2json_converter/js/csvToArray.v2.1.js [28:91]

• 64 lines of code
• 20 McCabe index (conditional complexity)

String.prototype.csvToArray = function (o) {
    var od = {
        'fSep': ',',
        'rSep': '\r\n',
        'quot': '"',
        'head': false,
        'trim': false
    }
    if (o) {
        for (var i in od) {
            if (!o[i]) o[i] = od[i];
        }
    } else {
        o = od;
    }
    var a = [
        ['']
    ];
    for (var r = f = p = q = 0; p < this.length; p++) {
        switch (c = this.charAt(p)) {
        case o.quot:
            if (q && this.charAt(p + 1) == o.quot) {
                a[r][f] += o.quot;
                ++p;
            } else {
                q ^= 1;
            }
            break;
        case o.fSep:
            if (!q) {
                if (o.trim) {
                    a[r][f] = a[r][f].replace(/^\s\s*/, '').replace(/\s\s*$/, '');
                }
                a[r][++f] = '';
            } else {
                a[r][f] += c;
            }
            break;
        case o.rSep.charAt(0):
            if (!q && (!o.rSep.charAt(1) || (o.rSep.charAt(1) && o.rSep.charAt(1) == this.charAt(p + 1)))) {
                if (o.trim) {
                    a[r][f] = a[r][f].replace(/^\s\s*/, '').replace(/\s\s*$/, '');
                }
                a[++r] = [''];
                a[r][f = 0] = '';
                if (o.rSep.charAt(1)) {
                    ++p;
                }
            } else {
                a[r][f] += c;
            }
            break;
        default:
            a[r][f] += c;
        }
    }
    if (o.head) {
        a.shift()
    }
    if (a[a.length - 1].length < a[0].length) {
        a.pop()
    }
    return a;
}