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/* foundry-git-diff-hunk.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-diff-hunk-private.h"
#include "foundry-git-diff-line-private.h"
#include "foundry-git-patch-private.h"
#include "foundry-util.h"
struct _FoundryGitDiffHunk
{
FoundryVcsDiffHunk parent_instance;
FoundryGitPatch *patch;
gsize hunk_idx;
};
G_DEFINE_FINAL_TYPE (FoundryGitDiffHunk, foundry_git_diff_hunk, FOUNDRY_TYPE_VCS_DIFF_HUNK)
static void
foundry_git_diff_hunk_finalize (GObject *object)
{
FoundryGitDiffHunk *self = (FoundryGitDiffHunk *)object;
g_clear_pointer (&self->patch, _foundry_git_patch_unref);
G_OBJECT_CLASS (foundry_git_diff_hunk_parent_class)->finalize (object);
}
static DexFuture *
foundry_git_diff_hunk_list_lines (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
g_autoptr(GListStore) store = NULL;
gsize num_lines;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
store = g_list_store_new (FOUNDRY_TYPE_GIT_DIFF_LINE);
num_lines = _foundry_git_patch_get_num_lines_in_hunk (self->patch, self->hunk_idx);
for (gsize i = 0; i < num_lines; i++)
{
g_autoptr(FoundryGitDiffLine) line = NULL;
line = _foundry_git_diff_line_new (self->patch, self->hunk_idx, i);
g_list_store_append (store, line);
}
return dex_future_new_take_object (g_steal_pointer (&store));
}
static char *
foundry_git_diff_hunk_dup_header (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
const git_diff_hunk *ghunk;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
ghunk = _foundry_git_patch_get_hunk (self->patch, self->hunk_idx);
if (ghunk == NULL)
return NULL;
return g_strdup (ghunk->header);
}
static guint
foundry_git_diff_hunk_get_old_start (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
const git_diff_hunk *ghunk;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
ghunk = _foundry_git_patch_get_hunk (self->patch, self->hunk_idx);
if (ghunk == NULL)
return 0;
return ghunk->old_start;
}
static guint
foundry_git_diff_hunk_get_old_lines (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
const git_diff_hunk *ghunk;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
ghunk = _foundry_git_patch_get_hunk (self->patch, self->hunk_idx);
if (ghunk == NULL)
return 0;
return ghunk->old_lines;
}
static guint
foundry_git_diff_hunk_get_new_start (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
const git_diff_hunk *ghunk;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
ghunk = _foundry_git_patch_get_hunk (self->patch, self->hunk_idx);
if (ghunk == NULL)
return 0;
return ghunk->new_start;
}
static guint
foundry_git_diff_hunk_get_new_lines (FoundryVcsDiffHunk *hunk)
{
FoundryGitDiffHunk *self = FOUNDRY_GIT_DIFF_HUNK (hunk);
const git_diff_hunk *ghunk;
g_assert (FOUNDRY_IS_GIT_DIFF_HUNK (self));
g_assert (self->patch != NULL);
ghunk = _foundry_git_patch_get_hunk (self->patch, self->hunk_idx);
if (ghunk == NULL)
return 0;
return ghunk->new_lines;
}
static void
foundry_git_diff_hunk_class_init (FoundryGitDiffHunkClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
FoundryVcsDiffHunkClass *hunk_class = FOUNDRY_VCS_DIFF_HUNK_CLASS (klass);
object_class->finalize = foundry_git_diff_hunk_finalize;
hunk_class->list_lines = foundry_git_diff_hunk_list_lines;
hunk_class->dup_header = foundry_git_diff_hunk_dup_header;
hunk_class->get_old_start = foundry_git_diff_hunk_get_old_start;
hunk_class->get_old_lines = foundry_git_diff_hunk_get_old_lines;
hunk_class->get_new_start = foundry_git_diff_hunk_get_new_start;
hunk_class->get_new_lines = foundry_git_diff_hunk_get_new_lines;
}
static void
foundry_git_diff_hunk_init (FoundryGitDiffHunk *self)
{
}
FoundryGitDiffHunk *
_foundry_git_diff_hunk_new (FoundryGitPatch *patch,
gsize hunk_idx)
{
FoundryGitDiffHunk *self;
g_return_val_if_fail (patch != NULL, NULL);
self = g_object_new (FOUNDRY_TYPE_GIT_DIFF_HUNK, NULL);
self->patch = _foundry_git_patch_ref (patch);
self->hunk_idx = hunk_idx;
return self;
}
FoundryGitPatch *
_foundry_git_diff_hunk_get_patch (FoundryGitDiffHunk *hunk)
{
g_return_val_if_fail (FOUNDRY_IS_GIT_DIFF_HUNK (hunk), NULL);
return hunk->patch ? _foundry_git_patch_ref (hunk->patch) : NULL;
}
gsize
_foundry_git_diff_hunk_get_hunk_idx (FoundryGitDiffHunk *hunk)
{
g_return_val_if_fail (FOUNDRY_IS_GIT_DIFF_HUNK (hunk), 0);
return hunk->hunk_idx;
}
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