[thirdparty/git.git] / cache-tree.h

#ifndef CACHE_TREE_H
#define CACHE_TREE_H

#include "tree.h"
#include "tree-walk.h"

struct cache_tree;
struct cache_tree_sub {
	struct cache_tree *cache_tree;
	int count;		/* internally used by update_one() */
	int namelen;
	int used;
	char name[FLEX_ARRAY];
};

struct cache_tree {
	int entry_count; /* negative means "invalid" */
	struct object_id oid;
	int subtree_nr;
	int subtree_alloc;
	struct cache_tree_sub **down;
};

struct cache_tree *cache_tree(void);
void cache_tree_free(struct cache_tree **);
void cache_tree_invalidate_path(struct index_state *, const char *);
struct cache_tree_sub *cache_tree_sub(struct cache_tree *, const char *);

int cache_tree_subtree_pos(struct cache_tree *it, const char *path, int pathlen);

void cache_tree_write(struct strbuf *, struct cache_tree *root);
struct cache_tree *cache_tree_read(const char *buffer, unsigned long size);

int cache_tree_fully_valid(struct cache_tree *);
int cache_tree_update(struct index_state *, int);
void cache_tree_verify(struct repository *, struct index_state *);

/* bitmasks to write_index_as_tree flags */
#define WRITE_TREE_MISSING_OK 1
#define WRITE_TREE_IGNORE_CACHE_TREE 2
#define WRITE_TREE_DRY_RUN 4
#define WRITE_TREE_SILENT 8
#define WRITE_TREE_REPAIR 16

/* error return codes */
#define WRITE_TREE_UNREADABLE_INDEX (-1)
#define WRITE_TREE_UNMERGED_INDEX (-2)
#define WRITE_TREE_PREFIX_ERROR (-3)

struct tree* write_in_core_index_as_tree(struct repository *repo);
int write_index_as_tree(struct object_id *oid, struct index_state *index_state, const char *index_path, int flags, const char *prefix);
void prime_cache_tree(struct repository *, struct index_state *, struct tree *);

int cache_tree_matches_traversal(struct cache_tree *, struct name_entry *ent, struct traverse_info *info);
#endif
Commit	Line	Data
	1	#ifndef CACHE_TREE_H
	2	#define CACHE_TREE_H
	3
	4	#include "tree.h"
	5	#include "tree-walk.h"
	6
	7	struct cache_tree;
	8	struct cache_tree_sub {
	9	struct cache_tree *cache_tree;
	10	int count; /* internally used by update_one() */
	11	int namelen;
	12	int used;
	13	char name[FLEX_ARRAY];
	14	};
	15
	16	struct cache_tree {
	17	int entry_count; /* negative means "invalid" */
	18	struct object_id oid;
	19	int subtree_nr;
	20	int subtree_alloc;
	21	struct cache_tree_sub **down;
	22	};
	23
	24	struct cache_tree *cache_tree(void);
	25	void cache_tree_free(struct cache_tree **);
	26	void cache_tree_invalidate_path(struct index_state , const char );
	27	struct cache_tree_sub cache_tree_sub(struct cache_tree , const char *);
	28
	29	int cache_tree_subtree_pos(struct cache_tree it, const char path, int pathlen);
	30
	31	void cache_tree_write(struct strbuf , struct cache_tree root);
	32	struct cache_tree cache_tree_read(const char buffer, unsigned long size);
	33
	34	int cache_tree_fully_valid(struct cache_tree *);
	35	int cache_tree_update(struct index_state *, int);
	36	void cache_tree_verify(struct repository , struct index_state );
	37
	38	/* bitmasks to write_index_as_tree flags */
	39	#define WRITE_TREE_MISSING_OK 1
	40	#define WRITE_TREE_IGNORE_CACHE_TREE 2
	41	#define WRITE_TREE_DRY_RUN 4
	42	#define WRITE_TREE_SILENT 8
	43	#define WRITE_TREE_REPAIR 16
	44
	45	/* error return codes */
	46	#define WRITE_TREE_UNREADABLE_INDEX (-1)
	47	#define WRITE_TREE_UNMERGED_INDEX (-2)
	48	#define WRITE_TREE_PREFIX_ERROR (-3)
	49
	50	struct tree* write_in_core_index_as_tree(struct repository *repo);
	51	int write_index_as_tree(struct object_id oid, struct index_state index_state, const char index_path, int flags, const char prefix);
	52	void prime_cache_tree(struct repository , struct index_state , struct tree *);
	53
	54	int cache_tree_matches_traversal(struct cache_tree , struct name_entry ent, struct traverse_info *info);
	55	#endif