mirror of
https://github.com/swaywm/sway.git
synced 2024-11-22 07:51:28 +00:00
better error handling
This commit is contained in:
Taiyu
parent
65406cb61b
commit
dc9efcd79f
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@ -30,13 +30,44 @@ struct modifier_key modifiers[] = {
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{ "Mod5", WLC_BIT_MOD_MOD5 },
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};
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enum expected_args {
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EXPECTED_MORE_THEN,
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EXPECTED_LESS_THEN,
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EXPECTED_SAME_AS
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};
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bool cmd_bindsym(struct sway_config *config, int argc, char **argv) {
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if (argc < 2) {
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sway_log(L_ERROR, "Invalid set command (expected 2 arguments, got %d)", argc);
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return false;
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static bool checkarg(int argc, char *name, enum expected_args type, int val) {
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switch(type) {
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case EXPECTED_MORE_THEN:
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if (argc > val) {
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return true;
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}
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sway_log(L_ERROR, "Invalid %s command."
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"(expected more then %d arguments, got %d", name, val, argc);
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break;
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case EXPECTED_LESS_THEN:
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if (argc < val) {
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return true;
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};
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sway_log(L_ERROR, "Invalid %s command."
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"(expected less then %d arguments, got %d", name, val, argc);
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break;
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case EXPECTED_SAME_AS:
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if (argc == val) {
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return true;
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};
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sway_log(L_ERROR, "Invalid %s command."
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"(expected %d arguments, got %d", name, val, argc);
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break;
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}
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return false;
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}
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static bool cmd_bindsym(struct sway_config *config, int argc, char **argv) {
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if (checkarg(argc, "bindsym", EXPECTED_MORE_THEN, 1) == false) {
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return false;
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};
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struct sway_binding *binding = malloc(sizeof(struct sway_binding));
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binding->keys = create_list();
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@ -89,8 +120,7 @@ static bool cmd_exec_always(struct sway_config *config, int argc, char **argv) {
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cleanup = true;
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}
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if (argc < 1) {
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sway_log(L_ERROR, "Invalid exec command (expected at least 1 argument, got %d)", argc);
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if (checkarg(argc, "exec_always", EXPECTED_MORE_THEN, 0) == false) {
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return false;
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}
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@ -125,8 +155,7 @@ static bool cmd_exec(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
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if (argc != 0) {
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sway_log(L_ERROR, "Invalid exit command (expected 1 arguments, got %d)", argc);
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if (checkarg(argc, "exit", EXPECTED_SAME_AS, 0) == false) {
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return false;
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}
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// TODO: Some kind of clean up is probably in order
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@ -135,8 +164,7 @@ static bool cmd_exit(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
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if (argc != 1) {
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sway_log(L_ERROR, "Invalid focus command (expected 1 arguments, got %d)", argc);
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if (checkarg(argc, "focus", EXPECTED_SAME_AS, 1) == false) {
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return false;
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}
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if (strcasecmp(argv[0], "left") == 0) {
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@ -154,8 +182,7 @@ static bool cmd_focus(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_focus_follows_mouse(struct sway_config *config, int argc, char **argv) {
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if (argc != 1) {
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sway_log(L_ERROR, "Invalid focus_follows_mouse command (expected 1 arguments, got %d)", argc);
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if (checkarg(argc, "focus_follows_mouse", EXPECTED_SAME_AS, 1) == false) {
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return false;
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}
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@ -164,8 +191,7 @@ static bool cmd_focus_follows_mouse(struct sway_config *config, int argc, char *
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}
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static bool cmd_layout(struct sway_config *config, int argc, char **argv) {
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if (argc < 1) {
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sway_log(L_ERROR, "Invalid layout command (expected at least 1 argument, got %d)", argc);
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if (checkarg(argc, "layout", EXPECTED_MORE_THEN, 0) == false) {
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return false;
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}
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swayc_t *parent = get_focused_container(&root_container);
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@ -189,8 +215,7 @@ static bool cmd_layout(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_reload(struct sway_config *config, int argc, char **argv) {
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if (argc != 0) {
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sway_log(L_ERROR, "Invalid reload command (expected 0 arguments, got %d)", argc);
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if (checkarg(argc, "reload", EXPECTED_SAME_AS, 0) == false) {
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return false;
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}
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if (!load_config()) {
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@ -201,8 +226,7 @@ static bool cmd_reload(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_set(struct sway_config *config, int argc, char **argv) {
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if (argc != 2) {
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sway_log(L_ERROR, "Invalid set command (expected 2 arguments, got %d)", argc);
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if (checkarg(argc, "set", EXPECTED_SAME_AS, 2) == false) {
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return false;
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}
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struct sway_variable *var = malloc(sizeof(struct sway_variable));
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@ -215,8 +239,10 @@ static bool cmd_set(struct sway_config *config, int argc, char **argv) {
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}
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static bool _do_split(struct sway_config *config, int argc, char **argv, int layout) {
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if (argc != 0) {
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sway_log(L_ERROR, "Invalid splitv command (expected 0 arguments, got %d)", argc);
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char *name = layout == L_VERT ? "splitv":
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layout == L_HORIZ ? "splith":
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"split";
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if (checkarg(argc, name, EXPECTED_SAME_AS, 0) == false) {
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return false;
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}
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swayc_t *focused = get_focused_container(&root_container);
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@ -248,11 +274,9 @@ static bool cmd_splith(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_log_colors(struct sway_config *config, int argc, char **argv) {
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if (argc != 1) {
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sway_log(L_ERROR, "Invalid log_colors command (expected 1 argument, got %d)", argc);
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if (checkarg(argc, "log_colors", EXPECTED_SAME_AS, 1) == false) {
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return false;
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}
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if (strcasecmp(argv[0], "no") != 0 && strcasecmp(argv[0], "yes") != 0) {
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sway_log(L_ERROR, "Invalid log_colors command (expected `yes` or `no`, got '%s')", argv[0]);
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return false;
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@ -263,8 +287,7 @@ static bool cmd_log_colors(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_fullscreen(struct sway_config *config, int argc, char **argv) {
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if (argc != 1) {
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sway_log(L_ERROR, "Invalid fullscreen command (expected 1 arguments, got %d)", argc);
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if (checkarg(argc, "fullscreen", EXPECTED_SAME_AS, 1) == false) {
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return false;
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}
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@ -277,8 +300,7 @@ static bool cmd_fullscreen(struct sway_config *config, int argc, char **argv) {
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}
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static bool cmd_workspace(struct sway_config *config, int argc, char **argv) {
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if (argc != 1) {
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sway_log(L_ERROR, "Invalid workspace command (expected 1 arguments, got %d)", argc);
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if (checkarg(argc, "workspace", EXPECTED_SAME_AS, 1) == false) {
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return false;
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}
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@ -292,7 +314,7 @@ static bool cmd_workspace(struct sway_config *config, int argc, char **argv) {
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}
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/* Keep alphabetized */
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struct cmd_handler handlers[] = {
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static struct cmd_handler handlers[] = {
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{ "bindsym", cmd_bindsym },
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{ "exec", cmd_exec },
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{ "exec_always", cmd_exec_always },
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@ -309,7 +331,7 @@ struct cmd_handler handlers[] = {
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{ "workspace", cmd_workspace }
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};
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char **split_directive(char *line, int *argc) {
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static char **split_directive(char *line, int *argc) {
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const char *delimiters = " ";
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*argc = 0;
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while (isspace(*line) && *line) ++line;
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@ -361,13 +383,13 @@ char **split_directive(char *line, int *argc) {
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return parts;
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}
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int handler_compare(const void *_a, const void *_b) {
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static int handler_compare(const void *_a, const void *_b) {
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const struct cmd_handler *a = _a;
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const struct cmd_handler *b = _b;
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return strcasecmp(a->command, b->command);
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}
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struct cmd_handler *find_handler(struct cmd_handler handlers[], int l, char *line) {
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static struct cmd_handler *find_handler(struct cmd_handler handlers[], int l, char *line) {
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struct cmd_handler d = { .command=line };
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struct cmd_handler *res = bsearch(&d, handlers, l, sizeof(struct cmd_handler), handler_compare);
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return res;
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