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Change execute_command to return a list of results

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This matches i3's behavior of returning a list of results that contain
the result of each command that was executed. Additionally, the
`parse_error` attribute has been added to the IPC JSON reply.
This commit is contained in:
Brian Ashworth 2018-11-27 21:42:09 -05:00
parent dbf8e1cead
commit 5c6f3d7266
6 changed files with 70 additions and 59 deletions
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6
include/sway/commands.h
View file

@ -56,7 +56,7 @@ struct cmd_handler *find_handler(char *line, struct cmd_handler *cmd_handlers,
* all matching containers. Otherwise, it'll run on the `con` container. If
* `con` is NULL then it'll run on the currently focused container.
*/
struct cmd_results *execute_command(char *command, struct sway_seat *seat,
list_t *execute_command(char *command, struct sway_seat *seat,
struct sway_container *con);
/**
* Parse and handles a command during config file loading.
@ -82,11 +82,11 @@ struct cmd_results *cmd_results_new(enum cmd_status status, const char* input, c
*/
void free_cmd_results(struct cmd_results *results);
/**
* Serializes cmd_results to a JSON string.
* Serializes a list of cmd_results to a JSON string.
*
* Free the JSON string later on.
*/
char *cmd_results_to_json(struct cmd_results *results);
char *cmd_results_to_json(list_t *res_list);
struct cmd_results *add_color(const char *name,
char *buffer, const char *color);

67
sway/commands.c
View file

@ -215,12 +215,9 @@ static void set_config_node(struct sway_node *node) {
}
}
struct cmd_results *execute_command(char *_exec, struct sway_seat *seat,
list_t *execute_command(char *_exec, struct sway_seat *seat,
struct sway_container *con) {
// Even though this function will process multiple commands we will only
// return the last error, if any (for now). (Since we have access to an
// error string we could e.g. concatenate all errors there.)
struct cmd_results *results = NULL;
list_t *res_list = create_list();
char *exec = strdup(_exec);
char *head = exec;
char *cmdlist;
@ -254,8 +251,8 @@ struct cmd_results *execute_command(char *_exec, struct sway_seat *seat,
char *error = NULL;
struct criteria *criteria = criteria_parse(head, &error);
if (!criteria) {
results = cmd_results_new(CMD_INVALID, head,
"%s", error);
list_add(res_list, cmd_results_new(CMD_INVALID, head,
"%s", error));
free(error);
goto cleanup;
}
@ -291,10 +288,8 @@ struct cmd_results *execute_command(char *_exec, struct sway_seat *seat,
}
struct cmd_handler *handler = find_handler(argv[0], NULL, 0);
if (!handler) {
if (results) {
free_cmd_results(results);
}
results = cmd_results_new(CMD_INVALID, cmd, "Unknown/invalid command");
list_add(res_list, cmd_results_new(CMD_INVALID, cmd,
"Unknown/invalid command"));
free_argv(argc, argv);
goto cleanup;
}
@ -308,29 +303,21 @@ struct cmd_results *execute_command(char *_exec, struct sway_seat *seat,
if (!config->handler_context.using_criteria) {
set_config_node(node);
struct cmd_results *res = handler->handle(argc-1, argv+1);
if (res->status != CMD_SUCCESS) {
list_add(res_list, res);
if (res->status == CMD_INVALID) {
free_argv(argc, argv);
if (results) {
free_cmd_results(results);
}
results = res;
goto cleanup;
}
free_cmd_results(res);
} else {
for (int i = 0; i < views->length; ++i) {
struct sway_view *view = views->items[i];
set_config_node(&view->container->node);
struct cmd_results *res = handler->handle(argc-1, argv+1);
if (res->status != CMD_SUCCESS) {
list_add(res_list, res);
if (res->status == CMD_INVALID) {
free_argv(argc, argv);
if (results) {
free_cmd_results(results);
}
results = res;
goto cleanup;
}
free_cmd_results(res);
}
}
free_argv(argc, argv);
@ -339,10 +326,7 @@ struct cmd_results *execute_command(char *_exec, struct sway_seat *seat,
cleanup:
free(exec);
list_free(views);
if (!results) {
results = cmd_results_new(CMD_SUCCESS, NULL, NULL);
}
return results;
return res_list;
}
// this is like execute_command above, except:
@ -574,20 +558,25 @@ void free_cmd_results(struct cmd_results *results) {
free(results);
}
char *cmd_results_to_json(struct cmd_results *results) {
char *cmd_results_to_json(list_t *res_list) {
json_object *result_array = json_object_new_array();
json_object *root = json_object_new_object();
json_object_object_add(root, "success",
json_object_new_boolean(results->status == CMD_SUCCESS));
if (results->input) {
json_object_object_add(
root, "input", json_object_new_string(results->input));
for (int i = 0; i < res_list->length; ++i) {
struct cmd_results *results = res_list->items[i];
json_object *root = json_object_new_object();
json_object_object_add(root, "success",
json_object_new_boolean(results->status == CMD_SUCCESS));
if (results->error) {
json_object_object_add(root, "parse_error",
json_object_new_boolean(results->status == CMD_INVALID));
json_object_object_add(
root, "error", json_object_new_string(results->error));
}
if (results->input) {
json_object_object_add(
root, "input", json_object_new_string(results->input));
}
json_object_array_add(result_array, root);
}
if (results->error) {
json_object_object_add(
root, "error", json_object_new_string(results->error));
}
json_object_array_add(result_array, root);
const char *json = json_object_to_json_string(result_array);
char *res = strdup(json);
json_object_put(result_array);

23
sway/commands/bind.c
View file

@ -289,13 +289,20 @@ void seat_execute_command(struct sway_seat *seat, struct sway_binding *binding)
wlr_log(WLR_DEBUG, "running command for binding: %s", binding->command);
config->handler_context.seat = seat;
struct cmd_results *results = execute_command(binding->command, NULL, NULL);
if (results->status == CMD_SUCCESS) {
ipc_event_binding(binding);
} else {
wlr_log(WLR_DEBUG, "could not run command for binding: %s (%s)",
binding->command, results->error);
list_t *res_list = execute_command(binding->command, NULL, NULL);
bool success = true;
while (res_list->length) {
struct cmd_results *results = res_list->items[0];
if (results->status != CMD_SUCCESS) {
wlr_log(WLR_DEBUG, "could not run command for binding: %s (%s)",
binding->command, results->error);
success = false;
}
free_cmd_results(results);
list_del(res_list, 0);
}
list_free(res_list);
if (success) {
ipc_event_binding(binding);
}
free_cmd_results(results);
}

11
sway/ipc-server.c
View file

@ -597,13 +597,18 @@ void ipc_client_handle_command(struct ipc_client *client) {
switch (client->current_command) {
case IPC_COMMAND:
{
struct cmd_results *results = execute_command(buf, NULL, NULL);
list_t *res_list = execute_command(buf, NULL, NULL);
transaction_commit_dirty();
char *json = cmd_results_to_json(results);
char *json = cmd_results_to_json(res_list);
int length = strlen(json);
client_valid = ipc_send_reply(client, json, (uint32_t)length);
free(json);
free_cmd_results(results);
while (res_list->length) {
struct cmd_results *results = res_list->items[0];
free_cmd_results(results);
list_del(res_list, 0);
}
list_free(res_list);
goto exit_cleanup;
}

13
sway/main.c
View file

@ -392,11 +392,16 @@ int main(int argc, char **argv) {
wlr_log(WLR_DEBUG, "Running deferred commands");
while (config->cmd_queue->length) {
char *line = config->cmd_queue->items[0];
struct cmd_results *res = execute_command(line, NULL, NULL);
if (res->status != CMD_SUCCESS) {
wlr_log(WLR_ERROR, "Error on line '%s': %s", line, res->error);
list_t *res_list = execute_command(line, NULL, NULL);
while (res_list->length) {
struct cmd_results *res = res_list->items[0];
if (res->status != CMD_SUCCESS) {
wlr_log(WLR_ERROR, "Error on line '%s': %s", line, res->error);
}
free_cmd_results(res);
list_del(res_list, 0);
}
free_cmd_results(res);
list_free(res_list);
free(line);
list_del(config->cmd_queue, 0);
}

9
sway/tree/view.c
View file

@ -437,9 +437,14 @@ void view_execute_criteria(struct sway_view *view) {
wlr_log(WLR_DEBUG, "for_window '%s' matches view %p, cmd: '%s'",
criteria->raw, view, criteria->cmdlist);
list_add(view->executed_criteria, criteria);
struct cmd_results *res = execute_command(
list_t *res_list = execute_command(
criteria->cmdlist, NULL, view->container);
free_cmd_results(res);
while (res_list->length) {
struct cmd_results *res = res_list->items[0];
free_cmd_results(res);
list_del(res_list, 0);
}
list_free(res_list);
}
list_free(criterias);
}