[thirdparty/git.git] / grep.h

#ifndef GREP_H
#define GREP_H

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

struct grep_pat {
	struct grep_pat *next;
	const char *origin;
	int no;
	enum grep_pat_token token;
	const char *pattern;
	regex_t regexp;
};

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

struct grep_expr {
	enum grep_expr_node node;
	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;
#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;
	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 compile_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,
	6	GREP_AND,
	7	GREP_OPEN_PAREN,
	8	GREP_CLOSE_PAREN,
	9	GREP_NOT,
	10	GREP_OR,
	11	};
	12
	13	struct grep_pat {
	14	struct grep_pat *next;
	15	const char *origin;
	16	int no;
	17	enum grep_pat_token token;
	18	const char *pattern;
	19	regex_t regexp;
	20	};
	21
	22	enum grep_expr_node {
	23	GREP_NODE_ATOM,
	24	GREP_NODE_NOT,
	25	GREP_NODE_AND,
	26	GREP_NODE_OR,
	27	};
	28
	29	struct grep_expr {
	30	enum grep_expr_node node;
	31	union {
	32	struct grep_pat *atom;
	33	struct grep_expr *unary;
	34	struct {
	35	struct grep_expr *left;
	36	struct grep_expr *right;
	37	} binary;
	38	} u;
	39	};
	40
	41	struct grep_opt {
	42	struct grep_pat *pattern_list;
	43	struct grep_pat **pattern_tail;
	44	struct grep_expr *pattern_expression;
	45	int prefix_length;
	46	regex_t regexp;
	47	unsigned linenum:1;
	48	unsigned invert:1;
	49	unsigned status_only:1;
	50	unsigned name_only:1;
	51	unsigned unmatch_name_only:1;
	52	unsigned count:1;
	53	unsigned word_regexp:1;
	54	unsigned fixed:1;
	55	#define GREP_BINARY_DEFAULT 0
	56	#define GREP_BINARY_NOMATCH 1
	57	#define GREP_BINARY_TEXT 2
	58	unsigned binary:2;
	59	unsigned extended:1;
	60	unsigned relative:1;
	61	unsigned pathname:1;
	62	int regflags;
	63	unsigned pre_context;
	64	unsigned post_context;
65	};
66
67	extern void append_grep_pattern(struct grep_opt opt, const char pat, const char *origin, int no, enum grep_pat_token t);
68	extern void compile_grep_patterns(struct grep_opt *opt);
69	extern int grep_buffer(struct grep_opt opt, const char name, char *buf, unsigned long size);
70
71	#endif