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/*
Copyright (C) 2025 Sutou Kouhei <kou@clear-code.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 Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "../grn_db.h"
#include "../grn_proc.h"
#include <groonga/plugin.h>
static grn_obj *
command_command_list(grn_ctx *ctx,
int nargs,
grn_obj **args,
grn_user_data *user_data)
{
const bool is_close_opened_object_mode = (grn_thread_get_limit() == 1);
grn_obj command_ids;
GRN_RECORD_INIT(&command_ids, GRN_OBJ_VECTOR, GRN_ID_NIL);
GRN_DB_EACH_BEGIN_BY_KEY(ctx, cursor, id)
{
if (id == GRN_DB_MECAB) {
/* TokenMecab must not be a command. TokenMecab may exist as a
* dummy object for historical reason. */
continue;
}
void *name;
int name_size = grn_table_cursor_get_key(ctx, cursor, &name);
if (grn_obj_name_is_column(ctx, name, name_size)) {
continue;
}
if (is_close_opened_object_mode) {
grn_ctx_push_temporary_open_space(ctx);
}
grn_obj *object = grn_ctx_at(ctx, id);
if (object) {
if (grn_obj_is_command_proc(ctx, object)) {
GRN_RECORD_PUT(ctx, &command_ids, id);
}
} else {
GRN_PLUGIN_CLEAR_ERROR(ctx);
}
if (is_close_opened_object_mode) {
grn_ctx_pop_temporary_open_space(ctx);
}
}
GRN_DB_EACH_END(ctx, cursor);
size_t n = GRN_RECORD_VECTOR_SIZE(&command_ids);
grn_ctx_output_map_open(ctx, "commands", (int)n);
for (size_t i = 0; i < n; i++) {
if (is_close_opened_object_mode) {
grn_ctx_push_temporary_open_space(ctx);
}
grn_id command_id = GRN_RECORD_VALUE_AT(&command_ids, i);
grn_obj *command = grn_ctx_at(ctx, command_id);
GRN_DEFINE_NAME(command);
grn_ctx_output_str(ctx, name, name_size);
grn_ctx_output_map_open(ctx, "command", 3);
grn_ctx_output_cstr(ctx, "id");
grn_ctx_output_uint32(ctx, command_id);
grn_ctx_output_cstr(ctx, "name");
grn_ctx_output_str(ctx, name, name_size);
grn_ctx_output_cstr(ctx, "arguments");
{
unsigned int n_vars;
grn_hash *vars = grn_expr_get_vars(ctx, command, &n_vars);
grn_ctx_output_array_open(ctx, "arguments", n_vars);
GRN_HASH_EACH_BEGIN(ctx, vars, cursor, id)
{
grn_ctx_output_map_open(ctx, "argument", 1);
{
void *key;
int key_size = grn_hash_cursor_get_key(ctx, cursor, &key);
grn_ctx_output_cstr(ctx, "name");
grn_ctx_output_str(ctx, key, key_size);
/* TODO: Output more information. */
}
grn_ctx_output_map_close(ctx);
}
GRN_HASH_EACH_END(ctx, cursor);
grn_ctx_output_array_close(ctx);
}
/* TODO: Output more information. */
grn_ctx_output_map_close(ctx);
if (is_close_opened_object_mode) {
grn_ctx_pop_temporary_open_space(ctx);
}
}
grn_ctx_output_map_close(ctx);
GRN_OBJ_FIN(ctx, &command_ids);
return NULL;
}
void
grn_proc_init_command_list(grn_ctx *ctx)
{
grn_plugin_command_create(ctx,
"command_list",
-1,
command_command_list,
0,
NULL);
}
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