Function gmtapi_split_words

src/gmt_api.c:14116–14160

}

GMT_LOCAL struct GMT_WORD * gmtapi_split_words (const char *line) {
	/* Split line into an array of words where words are separated by either
	 * a space (like between options), the occurrence of "][" sequences, or
	 * items separated by slashes "/", commas ",", bars "|" or hyphens "-".
	 * These are the places where we are allowed to break the line. */
	struct GMT_WORD *array = NULL;
	unsigned int n = 0, c, start = 0, next, end, j, stop, space = 0, n_alloc = GMT_LEN256, hyphen = 0;
	array = calloc (n_alloc, sizeof (struct GMT_WORD));
	while (line[start]) {	/* More line to chop up */
        hyphen = 0; /* Initialize */
		/* Find the next break location */
		stop = start;
		while (line[stop] && !(strchr (" ,/|", line[stop]) || (line[stop] == ']' && line[stop+1] == '[') || (hyphen = gmtapi_hyphen (line, stop)))) stop++;
		end = next = stop;	/* Mark likely end */
		array[n].space = space;	/* Do we need a leading space (set via previous word)? */
		if (line[stop] == ' ') {	/* Skip the space to start over at next word */
			while (line[stop] == ' ') stop++;	/* In case there are more than one space */
			next = stop; space = 1;
		}
		else if (line[stop] && strchr (",/|]", line[stop])) {   /* Include this char then break */
			next = ++end, space = 0;
		}
		else if (line[stop] == '-') {   /* Include this char then break with no break symbol */
			next = ++end, space = hyphen;
		}
		array[n].word = calloc (end - start + 1, sizeof (char));	/* Allocate space for word */
		for (j = start, c = 0; j < end; j++, c++) array[n].word[c] = line[j];
		n++;	/* Got another word */
		if (n == n_alloc) {	/* Need more memory, must be a long line */
			n_alloc += GMT_LEN256;
			array = realloc (array, n_alloc*sizeof (struct GMT_WORD));
		}
		start = next;	/* Advance to start of next word */
	}
	/* Finalize array length - keep one extra to indicate end of array */
	array = realloc (array, (n+1)*sizeof (struct GMT_WORD));
#if 0	/* Left for possible debug in case there are unresolved issues of breaking things up into words */
	fprintf (stderr, "Found %d words\n", n);
	for (j = 0; j < n; j++)
		fprintf (stderr, "%2.2d: [%d] %s\n", j, array[j].space, array[j].word);
	fprintf (stderr, "\n");
#endif

	return (array);
}

GMT_LOCAL unsigned int gmtapi_space (unsigned int space) {
    return (space == 2) ? 0 : space;