thodg/libgit2/src/tree.h

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• Hash : 73bd6411
  Author :
  Date : 2017-10-13T13:12:17
  

  tree: implement function to parse raw data Currently, parsing objects is strictly tied to having an ODB object available. This makes it hard to parse an object when all that is available is its raw object and size. Furthermore, hacking around that limitation by directly creating an ODB structure either on stack or on heap does not really work that well due to ODB objects being reference counted and then automatically free'd when reaching a reference count of zero. Implement a function `git_tree__parse_raw` to parse a tree object from a pair of `data` and `size`.

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• src/tree.h

• /*
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  #ifndef INCLUDE_tree_h__
  #define INCLUDE_tree_h__
  
  #include "common.h"
  
  #include "git2/tree.h"
  #include "repository.h"
  #include "odb.h"
  #include "vector.h"
  #include "strmap.h"
  #include "pool.h"
  
  struct git_tree_entry {
  	uint16_t attr;
  	uint16_t filename_len;
  	const git_oid *oid;
  	const char *filename;
  };
  
  struct git_tree {
  	git_object object;
  	git_odb_object *odb_obj;
  	git_array_t(git_tree_entry) entries;
  };
  
  struct git_treebuilder {
  	git_repository *repo;
  	git_strmap *map;
  };
  
  GIT_INLINE(bool) git_tree_entry__is_tree(const struct git_tree_entry *e)
  {
  	return (S_ISDIR(e->attr) && !S_ISGITLINK(e->attr));
  }
  
  void git_tree__free(void *tree);
  int git_tree__parse(void *tree, git_odb_object *obj);
  int git_tree__parse_raw(void *_tree, const char *data, size_t size);
  
  /**
   * Write a tree to the given repository
   */
  int git_tree__write_index(
  	git_oid *oid, git_index *index, git_repository *repo);
  
  /**
   * Obsolete mode kept for compatibility reasons
   */
  #define GIT_FILEMODE_BLOB_GROUP_WRITABLE 0100664
  
  #endif
  

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