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/*
* 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_git_message_h__
#define INCLUDE_git_message_h__
#include "common.h"
#include "buffer.h"
/**
* @file git2/message.h
* @brief Git message management routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Clean up excess whitespace and make sure there is a trailing newline in the message.
*
* Optionally, it can remove lines which start with the comment character.
*
* @param out The user-allocated git_buf which will be filled with the
* cleaned up message.
*
* @param message The message to be prettified.
*
* @param strip_comments Non-zero to remove comment lines, 0 to leave them in.
*
* @param comment_char Comment character. Lines starting with this character
* are considered to be comments and removed if `strip_comments` is non-zero.
*
* @return 0 or an error code.
*/
GIT_EXTERN(int) git_message_prettify(git_buf *out, const char *message, int strip_comments, char comment_char);
/**
* Represents a single git message trailer.
*/
typedef struct {
const char *key;
const char *value;
} git_message_trailer;
/**
* Represents an array of git message trailers.
*
* Struct members under the private comment are private, subject to change
* and should not be used by callers.
*/
typedef struct {
git_message_trailer *trailers;
size_t count;
/* private */
char *_trailer_block;
} git_message_trailer_array;
/**
* Parse trailers out of a message, filling the array pointed to by +arr+.
*
* Trailers are key/value pairs in the last paragraph of a message, not
* including any patches or conflicts that may be present.
*
* @param arr A pre-allocated git_message_trailer_array struct to be filled in
* with any trailers found during parsing.
* @param message The message to be parsed
* @return 0 on success, or non-zero on error.
*/
GIT_EXTERN(int) git_message_trailers(git_message_trailer_array *arr, const char *message);
/**
* Clean's up any allocated memory in the git_message_trailer_array filled by
* a call to git_message_trailers.
*
* @param arr The trailer to free.
*/
GIT_EXTERN(void) git_message_trailer_array_free(git_message_trailer_array *arr);
/** @} */
GIT_END_DECL
#endif /* INCLUDE_git_message_h__ */
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