static bool memberequals_settingspair(void* pmember, const void* needle) {
char* str = *(char**)pmember;
const SettingsPair* pair = (const SettingsPair*) needle;
if (pair->type == HS_Int) {
return pair->value.i == atoi(str);
} else if (pair->type == HS_Compatiblity) {
HSAttribute* attr = hsattribute_parse_path(pair->value.compat.read);
GString* attr_str = hsattribute_to_string(attr);
int equals = !strcmp(attr_str->str, str);
g_string_free(attr_str, true);
return equals;
} else {
return !strcmp(pair->value.str->str, str);
}
}
int substitute_command(int argc, char* argv[], GString* output) {
// usage: substitute identifier attribute command [args ...]
// 0 1 2 3
if (argc < 4) {
return HERBST_NEED_MORE_ARGS;
}
char* identifier = argv[1];
HSAttribute* attribute = hsattribute_parse_path_verbose(argv[2], output);
if (!attribute) {
return HERBST_INVALID_ARGUMENT;
}
GString* attribute_string = hsattribute_to_string(attribute);
char* repl = attribute_string->str;
(void) SHIFT(argc, argv); // remove command name
(void) SHIFT(argc, argv); // remove identifier
(void) SHIFT(argc, argv); // remove attribute
int status = call_command_substitute(identifier, repl, argc, argv, output);
g_string_free(attribute_string, true);
return status;
}
int settings_get(int argc, char** argv, GString* output) {
if (argc < 2) {
return HERBST_NEED_MORE_ARGS;
}
SettingsPair* pair = settings_find(argv[1]);
if (!pair) {
g_string_append_printf(output,
"%s: Setting \"%s\" not found\n", argv[0], argv[1]);
return HERBST_SETTING_NOT_FOUND;
}
if (pair->type == HS_Int) {
g_string_append_printf(output, "%d", pair->value.i);
} else if (pair->type == HS_String) {
g_string_append(output, pair->value.str->str);
} else if (pair->type == HS_Compatiblity) {
HSAttribute* attr = hsattribute_parse_path(pair->value.compat.read);
GString* str = hsattribute_to_string(attr);
g_string_append(output, str->str);
g_string_free(str, true);
}
return 0;
}
int sprintf_command(int argc, char* argv[], GString* output) {
// usage: sprintf IDENTIFIER FORMAT [Params...] COMMAND [ARGS ...]
if (argc < 4) {
return HERBST_NEED_MORE_ARGS;
}
char* identifier = argv[1];
char* format = argv[2];
(void) SHIFT(argc, argv);
(void) SHIFT(argc, argv);
(void) SHIFT(argc, argv);
GString* repl = g_string_new("");
int nextarg = 0; // next argument to consider
for (int i = 0; format[i] != '\0'; i++) {
if (format[i] == FORMAT_CHAR) {
// FORMAT_CHAR is our format character
// '%' is the printf format character
switch (format[i+1]) {
case FORMAT_CHAR:
g_string_append(repl, "%%");
break;
case 's':
if (nextarg >= (argc - 1)) {
g_string_append_printf(output,
"Error: Too few parameters. A %dth parameter missing. "
"(treating \"%s\" as the command to execute)\n",
nextarg, argv[argc - 1]);
g_string_free(repl, true);
return HERBST_INVALID_ARGUMENT;
}
HSAttribute* attr;
attr = hsattribute_parse_path_verbose(argv[nextarg], output);
if (!attr) {
g_string_free(repl, true);
return HERBST_INVALID_ARGUMENT;
}
GString* gs = hsattribute_to_string(attr);
g_string_append(repl, gs->str);
g_string_free(gs, true);
nextarg++;
break;
default:
g_string_append_printf(output,
"Error: unknown format specifier \'%c\' in format "
"\"%s\" at position %d\n",
format[i+1] ? format[i+1] : '?', format, i);
g_string_free(repl, true);
return HERBST_INVALID_ARGUMENT;
break;
}
i++;
} else {
g_string_append_c(repl, format[i]);
}
}
int cmdc = argc - nextarg;
char** cmdv = argv + nextarg;
int status;
status = call_command_substitute(identifier, repl->str, cmdc, cmdv, output);
g_string_free(repl, true);
return status;
}
