#ifndef TREE_H
#define TREE_H

#include "object.h"

struct repository;
struct strbuf;

struct tree {
	struct object object;
	void *buffer;
	unsigned long size;
};

extern const char *tree_type;

struct tree *lookup_tree(struct repository *r, const struct object_id *oid);

int parse_tree_buffer(struct tree *item, void *buffer, unsigned long size);

int parse_tree_gently(struct tree *tree, int quiet_on_missing);
static inline int parse_tree(struct tree *tree)
{
	return parse_tree_gently(tree, 0);
}
void free_tree_buffer(struct tree *tree);

/* Parses and returns the tree in the given ent, chasing tags and commits. */
struct tree *parse_tree_indirect(const struct object_id *oid);

#define READ_TREE_RECURSIVE 1
typedef int (*read_tree_fn_t)(const struct object_id *, struct strbuf *, const char *, unsigned int, int, void *);

int read_tree_recursive(struct repository *r,
			struct tree *tree,
			const char *base, int baselen,
			int stage, const struct pathspec *pathspec,
			read_tree_fn_t fn, void *context);

int read_tree(struct repository *r, struct tree *tree,
	      int stage, struct pathspec *pathspec,
	      struct index_state *istate);

#endif /* TREE_H */