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/* foundry-git-patch.c
*
* Copyright 2025 Christian Hergert <chergert@redhat.com>
*
* This library 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.
*
* This library 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 General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "foundry-git-patch-private.h"
struct _FoundryGitPatch
{
gatomicrefcount ref_count;
git_patch *patch;
GBytes *bytes;
};
FoundryGitPatch *
_foundry_git_patch_new_with_bytes (git_patch *patch,
GBytes *bytes)
{
FoundryGitPatch *self;
g_return_val_if_fail (patch != NULL, NULL);
self = g_new0 (FoundryGitPatch, 1);
g_atomic_ref_count_init (&self->ref_count);
self->patch = patch;
self->bytes = bytes;
return self;
}
FoundryGitPatch *
_foundry_git_patch_new (git_patch *patch)
{
return _foundry_git_patch_new_with_bytes (patch, NULL);
}
FoundryGitPatch *
_foundry_git_patch_ref (FoundryGitPatch *patch)
{
g_return_val_if_fail (patch != NULL, NULL);
g_atomic_ref_count_inc (&patch->ref_count);
return patch;
}
void
_foundry_git_patch_unref (FoundryGitPatch *patch)
{
if (patch == NULL)
return;
if (g_atomic_ref_count_dec (&patch->ref_count))
{
g_clear_pointer (&patch->patch, git_patch_free);
g_clear_pointer (&patch->bytes, g_bytes_unref);
g_free (patch);
}
}
gsize
_foundry_git_patch_get_num_hunks (FoundryGitPatch *patch)
{
g_return_val_if_fail (patch != NULL, 0);
g_return_val_if_fail (patch->patch != NULL, 0);
return git_patch_num_hunks (patch->patch);
}
const git_diff_hunk *
_foundry_git_patch_get_hunk (FoundryGitPatch *patch,
gsize hunk_idx)
{
const git_diff_hunk *hunk;
size_t lines_in_hunk;
g_return_val_if_fail (patch != NULL, NULL);
g_return_val_if_fail (patch->patch != NULL, NULL);
if (git_patch_get_hunk (&hunk, &lines_in_hunk, patch->patch, hunk_idx) != 0)
return NULL;
return hunk;
}
gsize
_foundry_git_patch_get_num_lines_in_hunk (FoundryGitPatch *patch,
gsize hunk_idx)
{
const git_diff_hunk *hunk;
size_t lines_in_hunk;
g_return_val_if_fail (patch != NULL, 0);
g_return_val_if_fail (patch->patch != NULL, 0);
if (git_patch_get_hunk (&hunk, &lines_in_hunk, patch->patch, hunk_idx) != 0)
return 0;
return lines_in_hunk;
}
const git_diff_line *
_foundry_git_patch_get_line (FoundryGitPatch *patch,
gsize hunk_idx,
gsize line_idx)
{
const git_diff_line *line;
g_return_val_if_fail (patch != NULL, NULL);
g_return_val_if_fail (patch->patch != NULL, NULL);
if (git_patch_get_line_in_hunk (&line, patch->patch, hunk_idx, line_idx) != 0)
return NULL;
return line;
}
const git_diff_delta *
_foundry_git_patch_get_delta (FoundryGitPatch *patch)
{
g_return_val_if_fail (patch != NULL, NULL);
g_return_val_if_fail (patch->patch != NULL, NULL);
return git_patch_get_delta (patch->patch);
}
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