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/*
* ggit-diff-hunk.c
* This file is part of libgit2-glib
*
* Copyright (C) 2012 - Garrett Regier
*
* libgit2-glib is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* libgit2-glib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libgit2-glib. If not, see <http://www.gnu.org/licenses/>.
*/
#include <glib-object.h>
#include <git2.h>
#include <string.h>
#include "ggit-diff-hunk.h"
#include "ggit-convert.h"
struct _GgitDiffHunk {
gint ref_count;
gint old_start;
gint old_lines;
gint new_start;
gint new_lines;
gchar *header;
};
G_DEFINE_BOXED_TYPE (GgitDiffHunk, ggit_diff_hunk,
ggit_diff_hunk_ref, ggit_diff_hunk_unref)
GgitDiffHunk *
_ggit_diff_hunk_wrap (const git_diff_hunk *hunk)
{
GgitDiffHunk *ghunk;
g_return_val_if_fail (hunk != NULL, NULL);
ghunk = g_slice_new (GgitDiffHunk);
ghunk->ref_count = 1;
ghunk->old_start = hunk->old_start;
ghunk->old_lines = hunk->old_lines;
ghunk->new_start = hunk->new_start;
ghunk->new_lines = hunk->new_lines;
ghunk->header = ggit_convert_utf8 (hunk->header, hunk->header_len, NULL);
return ghunk;
}
/**
* ggit_diff_hunk_ref:
* @hunk: a #GgitDiffHunk.
*
* Atomically increments the reference count of @hunk by one.
* This function is MT-safe and may be called from any thread.
*
* Returns: (transfer none) (nullable): a #GgitDiffHunk or %NULL.
**/
GgitDiffHunk *
ggit_diff_hunk_ref (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, NULL);
g_atomic_int_inc (&hunk->ref_count);
return hunk;
}
/**
* ggit_diff_hunk_unref:
* @hunk: a #GgitDiffHunk.
*
* Atomically decrements the reference count of @hunk by one.
* If the reference count drops to 0, @hunk is freed.
**/
void
ggit_diff_hunk_unref (GgitDiffHunk *hunk)
{
g_return_if_fail (hunk != NULL);
if (g_atomic_int_dec_and_test (&hunk->ref_count))
{
g_free (hunk->header);
g_slice_free (GgitDiffHunk, hunk);
}
}
/**
* ggit_diff_hunk_get_old_start:
* @hunk: a #GgitDiffHunk.
*
* Gets the starting line number in the old file.
*
* Returns: the starting line number in the old file.
*/
gint
ggit_diff_hunk_get_old_start (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, 0);
return hunk->old_start;
}
/**
* ggit_diff_hunk_get_old_lines:
* @hunk: a #GgitDiffHunk.
*
* Gets the number of lines in the old file.
*
* Returns: the number of lines in the old file.
*/
gint
ggit_diff_hunk_get_old_lines (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, 0);
return hunk->old_lines;
}
/**
* ggit_diff_hunk_get_new_start:
* @hunk: a #GgitDiffHunk.
*
* Gets the starting line number in the new file.
*
* Returns: the starting line number in the new file.
*/
gint
ggit_diff_hunk_get_new_start (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, 0);
return hunk->new_start;
}
/**
* ggit_diff_hunk_get_new_lines:
* @hunk: a #GgitDiffHunk.
*
* Gets the number of lines in the new file.
*
* Returns: the number of lines in the new file.
*/
gint
ggit_diff_hunk_get_new_lines (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, 0);
return hunk->new_lines;
}
/**
* ggit_diff_hunk_get_content:
* @hunk: a #GgitDiffHunk.
*
* Gets the header.
*
* Returns: the header.
*/
const gchar *
ggit_diff_hunk_get_header (GgitDiffHunk *hunk)
{
g_return_val_if_fail (hunk != NULL, 0);
return hunk->header;
}
/* ex:set ts=8 noet: */
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