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/* plugin-ctags-completion-provider.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 "plugin-ctags-completion-provider.h"
#include "plugin-ctags-file.h"
#include "plugin-ctags-service.h"
#include "plugin-ctags-util.h"
struct _PluginCtagsCompletionProvider
{
FoundryCompletionProvider parent_instance;
};
G_DEFINE_FINAL_TYPE (PluginCtagsCompletionProvider, plugin_ctags_completion_provider, FOUNDRY_TYPE_COMPLETION_PROVIDER)
static DexFuture *
add_to_list_store (DexFuture *completed,
gpointer user_data)
{
g_autoptr(GListModel) model = dex_await_object (dex_ref (completed), NULL);
GListStore *store = user_data;
g_list_store_append (store, model);
return dex_future_new_true ();
}
static DexFuture *
plugin_ctags_completion_provider_complete (FoundryCompletionProvider *provider,
FoundryCompletionRequest *request)
{
g_autoptr(FoundryService) service = NULL;
g_autoptr(FoundryContext) context = NULL;
g_autoptr(GListModel) flatten = NULL;
g_autoptr(GListModel) files = NULL;
g_autoptr(GListStore) store = NULL;
g_autoptr(GPtrArray) futures = NULL;
g_autofree char *word = NULL;
g_autofree char *language_id = NULL;
guint n_files;
g_assert (PLUGIN_IS_CTAGS_COMPLETION_PROVIDER (provider));
language_id = foundry_completion_request_dup_language_id (request);
if (!plugin_ctags_is_known_language_id (language_id))
return foundry_future_new_not_supported ();
context = foundry_contextual_dup_context (FOUNDRY_CONTEXTUAL (provider));
word = foundry_completion_request_dup_word (request);
service = foundry_context_dup_service_typed (context, PLUGIN_TYPE_CTAGS_SERVICE);
files = plugin_ctags_service_list_files (PLUGIN_CTAGS_SERVICE (service));
n_files = g_list_model_get_n_items (files);
if (n_files == 0)
return foundry_future_new_not_supported ();
store = g_list_store_new (G_TYPE_LIST_MODEL);
futures = g_ptr_array_new_with_free_func (dex_unref);
for (guint i = 0; i < n_files; i++)
{
g_autoptr(PluginCtagsFile) file = g_list_model_get_item (files, i);
g_ptr_array_add (futures,
dex_future_then (plugin_ctags_file_match (file, word),
add_to_list_store,
g_object_ref (store),
g_object_unref));
}
flatten = foundry_flatten_list_model_new (g_object_ref (G_LIST_MODEL (store)));
foundry_list_model_set_future (flatten, foundry_future_all (futures));
return dex_future_new_take_object (g_steal_pointer (&flatten));
}
static void
plugin_ctags_completion_provider_class_init (PluginCtagsCompletionProviderClass *klass)
{
FoundryCompletionProviderClass *provider_class = FOUNDRY_COMPLETION_PROVIDER_CLASS (klass);
provider_class->complete = plugin_ctags_completion_provider_complete;
}
static void
plugin_ctags_completion_provider_init (PluginCtagsCompletionProvider *self)
{
}
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