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Revision 464a8a7a15fc70efbcf56c4569f0f7275a9c76fe authored by J. Bruce Fields on 25 May 2007, 00:28:14 UTC, committed by J. Bruce Fields on 26 August 2007, 14:35:16 UTC 
user-manual: edit "ignoring files" for conciseness
 
The immediate motivation for writing this section was to explain the
various places ignore patterns could be used.  However, I still think
.gitignore is the case most people will want to learn about first.  It
also makes it a bit more concrete to introduce ignore patterns in the
context of .gitignore first.  And the existance of gitignore(5) relieves
the pressure to explain it all here.

So, stick to the .gitignore example, with only a brief mention of the
others, explain the syntax only by example, and leave the rest to
gitignore(5).

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Johan Herland <johan@herland.net>
1 parent b13ef49
Raw File
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,
};

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;
	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;
	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 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
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