Function parse_disposition

parser/parse_disposition.c:41–334

parse a string that supposed to be a disposition and fills up the structure * Returns: -2 : parse error -1 : error * 0 : success */

            -1 : error
 *           0 : success */
int parse_disposition( str *s, struct disposition *disp)
{
	enum { FIND_TYPE, TYPE, END_TYPE, FIND_PARAM, PARAM, END_PARAM, FIND_VAL,
	       FIND_QUOTED_VAL, QUOTED_VAL, SKIP_QUOTED_VAL, VAL, END_VAL,
	       F_LF, F_CR, F_CRLF};
	struct disposition_param *disp_p;
	struct disposition_param *new_p;
	int  state;
	int  saved_state;
	char *tmp;
	char *end;

	state = saved_state = FIND_TYPE;
	end = s->s + s->len;
	disp_p = 0;

	for( tmp=s->s; tmp<end; tmp++) {
		switch(*tmp) {
			case ' ':
			case '\t':
				switch (state) {
					case FIND_QUOTED_VAL:
						disp_p->body.s = tmp;
						state = QUOTED_VAL;
						break;
					case SKIP_QUOTED_VAL:
						state = QUOTED_VAL;
						break;
					case TYPE:
						disp->type.len = tmp - disp->type.s;
						state = END_TYPE;
						break;
					case PARAM:
						disp_p->name.len = tmp - disp_p->name.s;
						state = END_PARAM;
						break;
					case VAL:
						disp_p->body.len = tmp - disp_p->body.s;
						state = END_VAL;
						break;
					case F_CRLF:
					case F_LF:
					case F_CR:
						/*previous=crlf and now =' '*/
						state=saved_state;
						break;
				}
				break;
			case '\n':
				switch (state) {
					case TYPE:
						disp->type.len = tmp - disp->type.s;
						saved_state = END_TYPE;
						state = F_LF;
						break;
					case PARAM:
						disp_p->name.len = tmp - disp_p->name.s;
						saved_state = END_PARAM;