Function parse

src/grdinfo.c:191–428

}

static int parse (struct GMT_CTRL *GMT, struct GRDINFO_CTRL *Ctrl, struct GMT_OPTION *options) {

	/* This parses the options provided to grdcut and sets parameters in CTRL.
	 * Any GMT common options will override values set previously by other commands.
	 * It also replaces any file names specified as input or output with the data ID
	 * returned when registering these sources/destinations with the API.
	 */

	bool no_file_OK, num_report;
	unsigned int n_errors = 0, nc = 0, ng = 0;
	char text[GMT_LEN32] = {""}, *c = NULL;
	static char *M[2] = {"minimum", "maximum"}, *V[3] = {"negative", "all", "positive"}, *T[2] = {"column", "row"};
	struct GMT_OPTION *opt = NULL;
	struct GMTAPI_CTRL *API = GMT->parent;

	/* First precheck if we are dealing with cubes or grids - no mixing is allowed */

	for (opt = options; opt; opt = opt->next) {	/* Loop over arguments, skip options */

		if (opt->option != '<') continue;	/* We are only processing filenames here */

		if (gmt_M_memfile_is_grid (opt->arg))	/* Can just check file name */
			ng++;
		else if (gmt_M_memfile_is_cube (opt->arg))	/* Can just check file name */
			nc++;
		else if (gmt_nc_is_cube (API, opt->arg))	/* Determine if this file is a netCDF cube or not */
			nc++;
		else	/* Thus a grid */
			ng++;
	}

	if (nc && ng) {
		GMT_Report (API, GMT_MSG_ERROR, "Cannot give a mixed list of data cubes and data grids\n");
		n_errors++;
		goto time_to_return;
	}
	Ctrl->is_cube = (nc > 0);

	for (opt = options; opt; opt = opt->next) {	/* Process all the options given */

		switch (opt->option) {
			/* Common parameters */

			case '<':	/* Input files */
				if (GMT_Get_FilePath (API, GMT_IS_GRID, GMT_IN, GMT_FILE_REMOTE, &(opt->arg)))
					n_errors++;
				else
					Ctrl->n_files++;
				break;

			/* Processes program-specific parameters */

			case 'C':	/* Column format */
				n_errors += gmt_M_repeated_module_option (API, Ctrl->C.active);
				if (opt->arg[0] == 'n')
					Ctrl->C.mode = GRDINFO_NUMERICAL;
				else if (opt->arg[0] == 't')
					Ctrl->C.mode = GRDINFO_TRAILING;