Function cmd_flow_parse

dpdk/app/test-pmd/cmdline_flow.c:12223–12297

Parse a token (cmdline API). */

/** Parse a token (cmdline API). */
static int
cmd_flow_parse(cmdline_parse_token_hdr_t *hdr, const char *src, void *result,
	       unsigned int size)
{
	struct context *ctx = &cmd_flow_context;
	const struct token *token;
	const enum index *list;
	int len;
	int i;

	(void)hdr;
	token = &token_list[ctx->curr];
	/* Check argument length. */
	ctx->eol = 0;
	ctx->last = 1;
	for (len = 0; src[len]; ++len)
		if (src[len] == '#' || isspace(src[len]))
			break;
	if (!len)
		return -1;
	/* Last argument and EOL detection. */
	for (i = len; src[i]; ++i)
		if (src[i] == '#' || src[i] == '\r' || src[i] == '\n')
			break;
		else if (!isspace(src[i])) {
			ctx->last = 0;
			break;
		}
	for (; src[i]; ++i)
		if (src[i] == '\r' || src[i] == '\n') {
			ctx->eol = 1;
			break;
		}
	/* Initialize context if necessary. */
	if (!ctx->next_num) {
		if (!token->next)
			return 0;
		ctx->next[ctx->next_num++] = token->next[0];
	}
	/* Process argument through candidates. */
	ctx->prev = ctx->curr;
	list = ctx->next[ctx->next_num - 1];
	for (i = 0; list[i]; ++i) {
		const struct token *next = &token_list[list[i]];
		int tmp;

		ctx->curr = list[i];
		if (next->call)
			tmp = next->call(ctx, next, src, len, result, size);
		else
			tmp = parse_default(ctx, next, src, len, result, size);
		if (tmp == -1 || tmp != len)
			continue;
		token = next;
		break;
	}
	if (!list[i])
		return -1;