Function _fnGetRowElements

external/.datatables.js:2728–2820

* Build a data source object from an HTML row, reading the contents of the * cells that are in the row. * * @param {object} settings DataTables settings object * @param {node|object} TR element from which to read data or existing row * object from which to re-read the data from the cells

(settings, row, colIdx, d)

	 * @memberof DataTable#oApi
	 */
	function _fnGetRowElements(settings, row, colIdx, d) {
		var tds = [],
			td = row.firstChild,
			name,
			col,
			i = 0,
			contents,
			columns = settings.aoColumns,
			objectRead = settings._rowReadObject

		// Allow the data object to be passed in, or construct
		d = d !== undefined ? d : objectRead ? {} : []

		var attr = function (str, td) {
			if (typeof str === "string") {
				var idx = str.indexOf("@")

				if (idx !== -1) {
					var attr = str.substring(idx + 1)
					var setter = _fnSetObjectDataFn(str)
					setter(d, td.getAttribute(attr))
				}
			}
		}

		// Read data from a cell and store into the data object
		var cellProcess = function (cell) {
			if (colIdx === undefined || colIdx === i) {
				col = columns[i]
				contents = cell.innerHTML.trim()

				if (col && col._bAttrSrc) {
					var setter = _fnSetObjectDataFn(col.mData._)
					setter(d, contents)

					attr(col.mData.sort, cell)
					attr(col.mData.type, cell)
					attr(col.mData.filter, cell)
				} else {
					// Depending on the `data` option for the columns the data can
					// be read to either an object or an array.
					if (objectRead) {
						if (!col._setter) {
							// Cache the setter function
							col._setter = _fnSetObjectDataFn(col.mData)
						}
						col._setter(d, contents)
					} else {
						d[i] = contents
					}
				}
			}

			i++
		}

		if (td) {
			// `tr` element was passed in