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/*!A cross-platform build utility based on Lua
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (C) 2015-present, Xmake Open Source Community.
*
* @author ruki
* @file registry_values.c
*
*/
/* //////////////////////////////////////////////////////////////////////////////////////
* trace
*/
#define TB_TRACE_MODULE_NAME "registry_values"
#define TB_TRACE_MODULE_DEBUG (0)
/* //////////////////////////////////////////////////////////////////////////////////////
* includes
*/
#include "prefix.h"
/* //////////////////////////////////////////////////////////////////////////////////////
* implementation
*/
/* get registry values
*
* local count, errors = winos.registry_values("HKEY_LOCAL_MACHINE",
* "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug",
* function (value_name)
* return true -- continue or break
* end)
*/
tb_int_t xm_winos_registry_values(lua_State *lua) {
tb_assert_and_check_return_val(lua, 0);
// get the arguments
tb_char_t const *rootkey = luaL_checkstring(lua, 1);
tb_char_t const *rootdir = luaL_checkstring(lua, 2);
tb_bool_t is_function = lua_isfunction(lua, 3);
tb_check_return_val(rootkey && rootdir && is_function, 0);
// enum values
tb_bool_t ok = tb_false;
tb_int_t count = 0;
HKEY key = tb_null;
HKEY keynew = tb_null;
do {
// get registry rootkey
if (!tb_strcmp(rootkey, "HKEY_CLASSES_ROOT")) {
key = HKEY_CLASSES_ROOT;
} else if (!tb_strcmp(rootkey, "HKCR")) {
key = HKEY_CLASSES_ROOT;
} else if (!tb_strcmp(rootkey, "HKEY_CURRENT_CONFIG")) {
key = HKEY_CURRENT_CONFIG;
} else if (!tb_strcmp(rootkey, "HKCC")) {
key = HKEY_CURRENT_CONFIG;
} else if (!tb_strcmp(rootkey, "HKEY_CURRENT_USER")) {
key = HKEY_CURRENT_USER;
} else if (!tb_strcmp(rootkey, "HKCU")) {
key = HKEY_CURRENT_USER;
} else if (!tb_strcmp(rootkey, "HKEY_LOCAL_MACHINE")) {
key = HKEY_LOCAL_MACHINE;
} else if (!tb_strcmp(rootkey, "HKLM")) {
key = HKEY_LOCAL_MACHINE;
} else if (!tb_strcmp(rootkey, "HKEY_USERS")) {
key = HKEY_USERS;
} else {
lua_pushnil(lua);
lua_pushfstring(lua, "invalid registry rootkey: %s", rootkey);
break;
}
// open registry key
if (RegOpenKeyExA(key, rootdir, 0, KEY_QUERY_VALUE, &keynew) != ERROR_SUCCESS && keynew) {
lua_pushnil(lua);
lua_pushfstring(lua, "open registry key failed: %s\\%s", rootkey, rootdir);
break;
}
// query values
DWORD value_name_num = 0;
DWORD value_name_maxn = 0;
if (RegQueryInfoKeyW(keynew,
tb_null,
tb_null,
tb_null,
tb_null,
tb_null,
tb_null,
&value_name_num,
&value_name_maxn,
tb_null,
tb_null,
tb_null) != ERROR_SUCCESS) {
lua_pushnil(lua);
lua_pushfstring(lua, "query registry info failed: %s\\%s", rootkey, rootdir);
break;
}
value_name_maxn++; // add `\0`
// ensure enough value name buffer
tb_wchar_t value_name[1024];
if (value_name_maxn > tb_arrayn(value_name)) {
lua_pushnil(lua);
lua_pushfstring(lua, "no enough value name buffer: %s\\%s", rootkey, rootdir);
break;
}
// get all values
DWORD i = 0;
tb_char_t value_name_a[1024];
for (i = 0; i < value_name_num; i++) {
// get value name
value_name[0] = L'\0';
DWORD value_name_size = tb_arrayn(value_name);
if (RegEnumValueW(keynew, i, value_name, &value_name_size, tb_null, tb_null, tb_null, tb_null) !=
ERROR_SUCCESS) {
lua_pushnil(lua);
lua_pushfstring(lua, "get registry value name(%d) failed: %s\\%s", i, rootkey, rootdir);
break;
}
// get value name (mbs)
tb_size_t value_name_a_size = tb_wtoa(value_name_a, value_name, sizeof(value_name_a));
if (value_name_a_size == -1) {
lua_pushnil(lua);
lua_pushfstring(lua, "convert registry value name(%d) failed: %s\\%s", i, rootkey, rootdir);
break;
}
// do callback(value_name)
lua_pushvalue(lua, 3);
lua_pushlstring(lua, value_name_a, value_name_a_size);
lua_call(lua, 1, 1);
count++;
// is continue?
tb_bool_t is_continue = lua_toboolean(lua, -1);
lua_pop(lua, 1);
if (!is_continue) {
ok = tb_true;
break;
}
}
if (i == value_name_num)
ok = tb_true;
} while (0);
// exit registry key
if (keynew) {
RegCloseKey(keynew);
}
keynew = tb_null;
if (ok) {
lua_pushinteger(lua, count);
return 1;
} else {
return 2;
}
}
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