thodg/libgit2/src/diff.h

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• Hash : 9950d27a
  Author :
  Date : 2012-12-06T13:26:58
  

  Clean up iterator APIs This removes the need to explicitly pass the repo into iterators where the repo is implied by the other parameters. This moves the repo to be owned by the parent struct. Also, this has some iterator related updates to the internal diff API to lay the groundwork for checkout improvements.

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• src/diff.h

• /*
   * Copyright (C) 2009-2012 the libgit2 contributors
   *
   * 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_diff_h__
  #define INCLUDE_diff_h__
  
  #include "git2/diff.h"
  #include "git2/oid.h"
  
  #include <stdio.h>
  #include "vector.h"
  #include "buffer.h"
  #include "iterator.h"
  #include "repository.h"
  #include "pool.h"
  
  #define DIFF_OLD_PREFIX_DEFAULT "a/"
  #define DIFF_NEW_PREFIX_DEFAULT "b/"
  
  enum {
  	GIT_DIFFCAPS_HAS_SYMLINKS     = (1 << 0), /* symlinks on platform? */
  	GIT_DIFFCAPS_ASSUME_UNCHANGED = (1 << 1), /* use stat? */
  	GIT_DIFFCAPS_TRUST_MODE_BITS  = (1 << 2), /* use st_mode? */
  	GIT_DIFFCAPS_TRUST_CTIME      = (1 << 3), /* use st_ctime? */
  	GIT_DIFFCAPS_USE_DEV          = (1 << 4), /* use st_dev? */
  };
  
  #define GIT_DELTA__TO_DELETE 10
  #define GIT_DELTA__TO_SPLIT  11
  
  struct git_diff_list {
  	git_refcount     rc;
  	git_repository   *repo;
  	git_diff_options opts;
  	git_vector       pathspec;
  	git_vector       deltas;    /* vector of git_diff_delta */
  	git_pool pool;
  	git_iterator_type_t old_src;
  	git_iterator_type_t new_src;
  	uint32_t diffcaps;
  
  	int (*strcomp)(const char *, const char *);
  	int (*strncomp)(const char *, const char *, size_t);
  	int (*pfxcomp)(const char *str, const char *pfx);
  	int (*entrycomp)(const void *a, const void *b);
  };
  
  extern void git_diff__cleanup_modes(
  	uint32_t diffcaps, uint32_t *omode, uint32_t *nmode);
  
  extern void git_diff_list_addref(git_diff_list *diff);
  
  extern int git_diff_delta__cmp(const void *a, const void *b);
  
  extern bool git_diff_delta__should_skip(
  	const git_diff_options *opts, const git_diff_delta *delta);
  
  extern int git_diff__oid_for_file(
  	git_repository *, const char *, uint16_t, git_off_t, git_oid *);
  
  extern int git_diff__from_iterators(
  	git_diff_list **diff_ptr,
  	git_repository *repo,
  	git_iterator *old_iter,
  	git_iterator *new_iter,
  	const git_diff_options *opts);
  
  #endif
  
  

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