1#ifndef FIO_PARSE_PATTERN_H
2#define FIO_PARSE_PATTERN_H
3
4struct pattern_fmt;
5
6/**
7 * Pattern format description. The input for 'parse_pattern'.
8 * Describes format with its name and callback, which should
9 * be called to paste something inside the buffer.
10 */
11struct pattern_fmt_desc {
12	const char  *fmt;
13	unsigned int len;
14	int (*paste)(char *buf, unsigned int len, void *priv);
15};
16
17/**
18 * Pattern format. The output of 'parse_pattern'.
19 * Describes the exact position inside the xbuffer.
20 */
21struct pattern_fmt {
22	unsigned int off;
23	const struct pattern_fmt_desc *desc;
24};
25
26int parse_and_fill_pattern(const char *in, unsigned int in_len,
27			   char *out, unsigned int out_len,
28			   const struct pattern_fmt_desc *fmt_desc,
29			   unsigned int fmt_desc_sz,
30			   struct pattern_fmt *fmt,
31			   unsigned int *fmt_sz_out);
32
33int paste_format_inplace(char *pattern, unsigned int pattern_len,
34			 struct pattern_fmt *fmt, unsigned int fmt_sz,
35			 void *priv);
36
37int paste_format(const char *pattern, unsigned int pattern_len,
38		 struct pattern_fmt *fmt, unsigned int fmt_sz,
39		 char *out, unsigned int out_len, void *priv);
40
41int cpy_pattern(const char *pattern, unsigned int pattern_len,
42		char *out, unsigned int out_len);
43
44int cmp_pattern(const char *pattern, unsigned int pattern_size,
45		unsigned int off, const char *buf, unsigned int len);
46
47#endif
48