[thirdparty/git.git] / grep.h

#ifndef GREP_H
#define GREP_H

enum grep_pat_token {
	GREP_PATTERN,
	GREP_PATTERN_HEAD,
	GREP_PATTERN_BODY,
	GREP_AND,
	GREP_OPEN_PAREN,
	GREP_CLOSE_PAREN,
	GREP_NOT,
	GREP_OR,
};

enum grep_context {
	GREP_CONTEXT_HEAD,
	GREP_CONTEXT_BODY,
};

enum grep_header_field {
	GREP_HEADER_AUTHOR = 0,
	GREP_HEADER_COMMITTER,
};

struct grep_pat {
	struct grep_pat *next;
	const char *origin;
	int no;
	enum grep_pat_token token;
	const char *pattern;
	enum grep_header_field field;
	regex_t regexp;
	unsigned fixed:1;
};

enum grep_expr_node {
	GREP_NODE_ATOM,
	GREP_NODE_NOT,
	GREP_NODE_AND,
	GREP_NODE_OR,
};

struct grep_expr {
	enum grep_expr_node node;
	unsigned hit;
	union {
		struct grep_pat *atom;
		struct grep_expr *unary;
		struct {
			struct grep_expr *left;
			struct grep_expr *right;
		} binary;
	} u;
};

struct grep_opt {
	struct grep_pat *pattern_list;
	struct grep_pat **pattern_tail;
	struct grep_expr *pattern_expression;
	int prefix_length;
	regex_t regexp;
	unsigned linenum:1;
	unsigned invert:1;
	unsigned status_only:1;
	unsigned name_only:1;
	unsigned unmatch_name_only:1;
	unsigned count:1;
	unsigned word_regexp:1;
	unsigned fixed:1;
	unsigned all_match:1;
#define GREP_BINARY_DEFAULT	0
#define GREP_BINARY_NOMATCH	1
#define GREP_BINARY_TEXT	2
	unsigned binary:2;
	unsigned extended:1;
	unsigned relative:1;
	unsigned pathname:1;
	unsigned null_following_name:1;
	int regflags;
	unsigned pre_context;
	unsigned post_context;
};

extern void append_grep_pattern(struct grep_opt *opt, const char *pat, const char *origin, int no, enum grep_pat_token t);
extern void append_header_grep_pattern(struct grep_opt *, enum grep_header_field, const char *);
extern void compile_grep_patterns(struct grep_opt *opt);
extern void free_grep_patterns(struct grep_opt *opt);
extern int grep_buffer(struct grep_opt *opt, const char *name, char *buf, unsigned long size);

#endif
Commit	Line	Data
83b5d2f5 JH	1	#ifndef GREP_H
	2	#define GREP_H
	3
	4	enum grep_pat_token {
	5	GREP_PATTERN,
480c1ca6 JH	6	GREP_PATTERN_HEAD,
480c1ca6 JH	7	GREP_PATTERN_BODY,
83b5d2f5 JH	8	GREP_AND,
	9	GREP_OPEN_PAREN,
	10	GREP_CLOSE_PAREN,
	11	GREP_NOT,
	12	GREP_OR,
	13	};
	14
480c1ca6 JH	15	enum grep_context {
	16	GREP_CONTEXT_HEAD,
	17	GREP_CONTEXT_BODY,
	18	};
	19
a4d7d2c6 JH	20	enum grep_header_field {
	21	GREP_HEADER_AUTHOR = 0,
	22	GREP_HEADER_COMMITTER,
	23	};
	24
83b5d2f5 JH	25	struct grep_pat {
	26	struct grep_pat *next;
	27	const char *origin;
	28	int no;
	29	enum grep_pat_token token;
	30	const char *pattern;
a4d7d2c6	31	enum grep_header_field field;
83b5d2f5	32	regex_t regexp;
c822255c	33	unsigned fixed:1;
83b5d2f5 JH	34	};
	35
	36	enum grep_expr_node {
	37	GREP_NODE_ATOM,
	38	GREP_NODE_NOT,
	39	GREP_NODE_AND,
	40	GREP_NODE_OR,
	41	};
	42
	43	struct grep_expr {
	44	enum grep_expr_node node;
0ab7befa	45	unsigned hit;
83b5d2f5 JH	46	union {
	47	struct grep_pat *atom;
	48	struct grep_expr *unary;
	49	struct {
	50	struct grep_expr *left;
	51	struct grep_expr *right;
	52	} binary;
	53	} u;
	54	};
	55
	56	struct grep_opt {
	57	struct grep_pat *pattern_list;
	58	struct grep_pat **pattern_tail;
	59	struct grep_expr *pattern_expression;
	60	int prefix_length;
	61	regex_t regexp;
	62	unsigned linenum:1;
	63	unsigned invert:1;
	64	unsigned status_only:1;
	65	unsigned name_only:1;
	66	unsigned unmatch_name_only:1;
	67	unsigned count:1;
	68	unsigned word_regexp:1;
	69	unsigned fixed:1;
0ab7befa	70	unsigned all_match:1;
83b5d2f5 JH	71	#define GREP_BINARY_DEFAULT 0
	72	#define GREP_BINARY_NOMATCH 1
	73	#define GREP_BINARY_TEXT 2
	74	unsigned binary:2;
	75	unsigned extended:1;
	76	unsigned relative:1;
	77	unsigned pathname:1;
83caecca	78	unsigned null_following_name:1;
83b5d2f5 JH	79	int regflags;
	80	unsigned pre_context;
	81	unsigned post_context;
	82	};
	83
	84	extern void append_grep_pattern(struct grep_opt opt, const char pat, const char *origin, int no, enum grep_pat_token t);
a4d7d2c6	85	extern void append_header_grep_pattern(struct grep_opt , enum grep_header_field, const char );
83b5d2f5	86	extern void compile_grep_patterns(struct grep_opt *opt);
b48fb5b6	87	extern void free_grep_patterns(struct grep_opt *opt);
83b5d2f5 JH	88	extern int grep_buffer(struct grep_opt opt, const char name, char *buf, unsigned long size);
	89
	90	#endif