thodg/libgit2/src/diff.h

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• Hash : a48ea31d
  Author :
  Date : 2012-03-21T12:33:09
  

  Reimplment git_status_foreach using git diff This is an initial reimplementation of status using diff a la the way that core git does it.

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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 <stdio.h>
  #include "vector.h"
  #include "buffer.h"
  #include "iterator.h"
  #include "repository.h"
  
  struct git_diff_list {
  	git_repository   *repo;
  	git_diff_options opts;
  	git_vector       deltas;    /* vector of git_diff_file_delta */
  	git_iterator_type_t old_src;
  	git_iterator_type_t new_src;
  };
  
  /* macro lets you iterate over two diff lists together */
  
  #define GIT_DIFF_COITERATE(A,B,AD,BD,LEFT,RIGHT,BOTH,AFTER) do { \
  	unsigned int _i = 0, _j = 0; int _cmp; \
  	while (((A) && _i < (A)->deltas.length) || ((B) && _j < (B)->deltas.length)) { \
  		(AD) = (A) ? GIT_VECTOR_GET(&(A)->deltas,_i) : NULL; \
  		(BD) = (B) ? GIT_VECTOR_GET(&(B)->deltas,_j) : NULL; \
  		_cmp = !(BD) ? -1 : !(AD) ? 1 : strcmp((AD)->old.path,(BD)->old.path); \
  		if (_cmp < 0) { LEFT; _i++; } \
  		else if (_cmp > 0) { RIGHT; _j++; } \
  		else { BOTH; _i++; _j++; } \
  		AFTER; \
  	} } while (0)
  
  #endif
  
  

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