thodg/libgit2/src/patch_generate.h

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• Hash : 1458fb56
  Author :
  Date : 2022-01-29T07:18:26
  

  xdiff: include new xdiff from git
  
  Update to the xdiff used in git v2.35.0, with updates to our build
  configuration to ignore the sort of warnings that we normally care
  about (signed/unsigned mismatch, unused, etc.)
  
  Any git-specific abstraction bits are now redefined for our use in
  `git-xdiff.h`.  It is a (wildly optimistic) hope that we can use that
  indirection layer to standardize on a shared xdiff implementation.
  

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• src/patch_generate.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_patch_generate_h__
  #define INCLUDE_patch_generate_h__
  
  #include "common.h"
  
  #include "diff.h"
  #include "diff_file.h"
  #include "patch.h"
  
  enum {
  	GIT_PATCH_GENERATED_ALLOCATED = (1 << 0),
  	GIT_PATCH_GENERATED_INITIALIZED = (1 << 1),
  	GIT_PATCH_GENERATED_LOADED = (1 << 2),
  	/* the two sides are different */
  	GIT_PATCH_GENERATED_DIFFABLE = (1 << 3),
  	/* the difference between the two sides has been computed */
  	GIT_PATCH_GENERATED_DIFFED = (1 << 4),
  	GIT_PATCH_GENERATED_FLATTENED = (1 << 5)
  };
  
  struct git_patch_generated {
  	struct git_patch base;
  
  	git_diff *diff; /* for refcount purposes, maybe NULL for blob diffs */
  	size_t delta_index;
  	git_diff_file_content ofile;
  	git_diff_file_content nfile;
  	uint32_t flags;
  	git_pool flattened;
  };
  
  typedef struct git_patch_generated git_patch_generated;
  
  extern git_diff_driver *git_patch_generated_driver(git_patch_generated *);
  
  extern int git_patch_generated_old_data(
  	char **, long *, git_patch_generated *);
  extern int git_patch_generated_new_data(
  	char **, long *, git_patch_generated *);
  extern int git_patch_generated_from_diff(
  	git_patch **, git_diff *, size_t);
  
  typedef struct git_patch_generated_output git_patch_generated_output;
  
  struct git_patch_generated_output {
  	/* these callbacks are issued with the diff data */
  	git_diff_file_cb file_cb;
  	git_diff_binary_cb binary_cb;
  	git_diff_hunk_cb hunk_cb;
  	git_diff_line_cb data_cb;
  	void *payload;
  
  	/* this records the actual error in cases where it may be obscured */
  	int error;
  
  	/* this callback is used to do the diff and drive the other callbacks.
  	 * see diff_xdiff.h for how to use this in practice for now.
  	 */
  	int (*diff_cb)(git_patch_generated_output *output,
  		git_patch_generated *patch);
  };
  
  #endif
  

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