Function parse

src/pstext.c:408–721

}

static int parse (struct GMT_CTRL *GMT, struct PSTEXT_CTRL *Ctrl, struct GMT_OPTION *options) {
	/* This parses the options provided to pstext and sets parameters in Ctrl.
	 * Note Ctrl has already been initialized and non-zero default values set.
	 * 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.
	 */

	int j, k;
	unsigned int pos, n_errors = 0;
	bool explicit_justify = false, mess = false;
	char txt_a[GMT_LEN256] = {""}, txt_b[GMT_LEN256] = {""}, txt_c[GMT_LEN256] = {""}, p[GMT_BUFSIZ] = {""}, *c = NULL, *q = NULL;
	struct GMT_OPTION *opt = NULL;
	struct GMTAPI_CTRL *API = GMT->parent;

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

		switch (opt->option) {

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

			/* Processes program-specific parameters */

			case 'A':	/* Getting azimuths rather than directions, must convert via map projection */
				n_errors += gmt_M_repeated_module_option (API, Ctrl->A.active);
				n_errors += gmt_get_no_argument (GMT, opt->arg, opt->option, 0);
				break;
			case 'C':
				n_errors += gmt_M_repeated_module_option (API, Ctrl->C.active);
				c = strstr (opt->arg, "+t");
				if ((c = strstr (opt->arg, "+t"))) {
					if (c[2]) Ctrl->C.mode = c[2];
					n_errors += gmt_M_check_condition (GMT, !strchr("oOcC", Ctrl->C.mode), "Option -C: Modifier +t must add o, O, c, or C\n");
					c[0] = '\0';	/* Hide modifier */
				}
				if (opt->arg[0]) {	/* Replace default settings with user settings */
					Ctrl->C.percent = (strchr (opt->arg, '%')) ? true : false;
					k = sscanf (opt->arg, "%[^/]/%s", txt_a, txt_b);
					for (j = 0; txt_a[j]; j++) if (txt_a[j] == '%') txt_a[j] = '\0';	/* Remove % signs before processing values */
					for (j = 0; k == 2 && txt_b[j]; j++) if (txt_b[j] == '%') txt_b[j] = '\0';
					Ctrl->C.dx = (Ctrl->C.percent) ? atof (txt_a) : gmt_M_to_inch (GMT, txt_a);
					Ctrl->C.dy = (k == 2) ? ((Ctrl->C.percent) ? atof (txt_b) : gmt_M_to_inch (GMT, txt_b)) : Ctrl->C.dx;
				}
				if (c) c[0] = '+';	/* Restore */
				break;
			case 'D':
				n_errors += gmt_M_repeated_module_option (API, Ctrl->D.active);
				k = 0;
				if (opt->arg[k] == 'j') { Ctrl->D.justify = 1, k++; }
				else if (opt->arg[k] == 'J') { Ctrl->D.justify = 2, k++; }
				for (j = k; opt->arg[j] && opt->arg[j] != 'v'; j++);
				if (opt->arg[j] == 'v') {	/* Want to draw a line from point to offset point */
					Ctrl->D.line = true;
					n_errors += gmt_M_check_condition (GMT, opt->arg[j+1] && gmt_getpen (GMT, &opt->arg[j+1], &Ctrl->D.pen), "Option -D: Give pen after +v\n");
					if (opt->arg[j-1] == '+')	/* New-style syntax */
						opt->arg[j-1] = 0;