var parseDuration = function()

in JSLib/src/odata-utils.js [889:942]

• 37 lines of code
• 14 McCabe index (conditional complexity)

    var parseDuration = function (duration) {
        /// <summary>Parses a string in xsd:duration format.</summary>
        /// <param name="duration" type="String">Duration value.</param>
        /// <remarks>
        /// This method will throw an exception if the input string has a year or a month component.
        /// </remarks>
        /// <returns type="Object">Object representing the time</returns>

        var parts = parseTimeRE.exec(duration);

        if (parts === null) {
            throw { message: "Invalid duration value." };
        }

        var years = parts[2] || "0";
        var months = parts[3] || "0";
        var days = parseInt10(parts[4] || 0);
        var hours = parseInt10(parts[5] || 0);
        var minutes = parseInt10(parts[6] || 0);
        var seconds = parseFloat(parts[7] || 0);

        if (years !== "0" || months !== "0") {
            throw { message: "Unsupported duration value." };
        }

        var ms = parts[8];
        var ns = 0;
        if (!ms) {
            ms = 0;
        } else {
            if (ms.length > 7) {
                throw { message: "Cannot parse duration value to given precision." };
            }

            ns = formatNumberWidth(ms.substring(3), 4, true);
            ms = formatNumberWidth(ms.substring(0, 3), 3, true);

            ms = parseInt10(ms);
            ns = parseInt10(ns);
        }

        ms += seconds * 1000 + minutes * 60000 + hours * 3600000 + days * 86400000;

        if (parts[1] === "-") {
            ms = -ms;
        }

        var result = { ms: ms, __edmType: "Edm.Time" };

        if (ns) {
            result.ns = ns;
        }
        return result;
    };