add winreg.query and improve program

4 files changed, 294 insertions, 0 deletions

diff --git a/core/src/xmake/machine.c b/core/src/xmake/machine.c
index 0281f0a2c..e1638e1ab 100644
--- a/core/src/xmake/machine.c
+++ b/core/src/xmake/machine.c
@@ -93,6 +93,11 @@ tb_int_t xm_path_absolute(lua_State* lua);
 tb_int_t xm_path_translate(lua_State* lua);
 tb_int_t xm_path_is_absolute(lua_State* lua);
 
+// the winreg functions
+#ifdef TB_CONFIG_OS_WINDOWS
+tb_int_t xm_winreg_query(lua_State* lua);
+#endif
+
 // the string functions
 tb_int_t xm_string_strcmp(lua_State* lua);
 tb_int_t xm_string_endswith(lua_State* lua);
@@ -173,6 +178,15 @@ static luaL_Reg const g_string_functions[] =
 ,   { tb_null,          tb_null                 }
 };
 
+#ifdef TB_CONFIG_OS_WINDOWS
+// the winreg functions
+static luaL_Reg const g_winreg_functions[] = 
+{
+    { "query",          xm_winreg_query         }
+,   { tb_null,          tb_null                 }
+};
+#endif
+
 // the process functions
 static luaL_Reg const g_process_functions[] = 
 {
@@ -419,6 +433,11 @@ xm_machine_ref_t xm_machine_init()
         // bind sandbox functions
         luaL_register(impl->lua, "sandbox", g_sandbox_functions);
 
+        // bind winreg functions 
+#ifdef TB_CONFIG_OS_WINDOWS
+        luaL_register(impl->lua, "winreg", g_winreg_functions);
+#endif
+
 #ifdef XM_CONFIG_API_HAVE_READLINE
         // bind readline functions
         luaL_register(impl->lua, "readline", g_readline_functions);
diff --git a/core/src/xmake/makefile b/core/src/xmake/makefile
index c7b1ffc29..efc32d94d 100644
--- a/core/src/xmake/makefile
+++ b/core/src/xmake/makefile
@@ -44,6 +44,7 @@ xmake_C_FILES 			+= \
 						path/absolute \
 						path/translate \
 						path/is_absolute \
+						winreg/query \
 						string/strcmp \
 						string/endswith \
 						string/startswith \
diff --git a/core/src/xmake/winreg/prefix.h b/core/src/xmake/winreg/prefix.h
new file mode 100644
index 000000000..45fe6f42c
--- /dev/null
+++ b/core/src/xmake/winreg/prefix.h
@@ -0,0 +1,39 @@
+/*!The Make-like Build Utility based on Lua
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 - 2017, TBOOX Open Source Group.
+ *
+ * @author      TitanSnow
+ * @file        prefix.h
+ *
+ */
+#ifndef XM_WINREG_PREFIX_H
+#define XM_WINREG_PREFIX_H
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "../prefix.h"
+#ifdef TB_CONFIG_OS_WINDOWS
+#include <windows.h>
+#endif
+
+
+#endif
+
+
diff --git a/core/src/xmake/winreg/query.c b/core/src/xmake/winreg/query.c
new file mode 100644
index 000000000..036d4a7c3
--- /dev/null
+++ b/core/src/xmake/winreg/query.c
@@ -0,0 +1,235 @@
+/*!The Make-like Build Utility based on Lua
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 - 2017, TBOOX Open Source Group.
+ *
+ * @author      TitanSnow, ruki
+ * @file        query.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * trace
+ */
+#define TB_TRACE_MODULE_NAME                "query"
+#define TB_TRACE_MODULE_DEBUG               (0)
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * types
+ */
+#ifdef TB_CONFIG_OS_WINDOWS
+// the RegGetValueA func type
+typedef BOOL (WINAPI* xm_RegGetValueA_t)(HKEY hkey, LPCSTR lpSubKey, LPCSTR lpValue, DWORD dwFlags, LPDWORD pdwType, PVOID pvData, LPDWORD pcbData);
+#endif
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+
+#ifdef TB_CONFIG_OS_WINDOWS
+
+/* query registry
+ *
+ * local value, errors = winreg.query("HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AeDebug;Debugger")
+ */
+tb_int_t xm_winreg_query(lua_State* lua)
+{
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // get the path
+    tb_char_t const* path = luaL_checkstring(lua, 1);
+    tb_check_return_val(path, 0);
+
+    // query key-value    
+    tb_bool_t   ok = tb_false;
+    HKEY        key = NULL;
+    HKEY        keynew = NULL;
+    tb_char_t   pathbuf[TB_PATH_MAXN];
+    tb_char_t*  value = tb_null;
+    do
+    {
+        // copy path
+        tb_size_t size = tb_strlcpy(pathbuf, path, sizeof(pathbuf));
+        if (size >= sizeof(pathbuf)) 
+        {
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "too long path: %s", path);
+            break;
+        }
+
+        // parse path key and subkey
+        tb_char_t* pathkey      = tb_null;
+        tb_char_t* pathsubkey   = tb_null;
+        tb_char_t* p            = pathbuf;
+        for (; *p && *p != '\\'; p++) ;
+        if (*p == '\\')
+        {
+            *p = '\0';
+            pathkey = pathbuf;
+            pathsubkey = p + 1;
+        }
+        if (!pathkey || !pathsubkey)
+        {
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "parse pathkey and pathsubkey failed: %s", path);
+            break;
+        }
+
+        // parse value name
+        tb_char_t* valuename = tb_null;
+        for (p = pathbuf + size - 1; p >= pathbuf && *p && *p != ';'; p--) ;
+        if (p >= pathbuf && *p == ';')
+        {
+            valuename = p + 1;
+            *p = '\0';
+        }
+        if (!valuename)
+        {
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "parse value name failed: %s", path);
+            break;
+        }
+
+        // trace
+        tb_trace_d("key: %s, subkey: %s, name: %s", pathkey, pathsubkey, valuename);
+
+        // get registry key
+        if (!tb_strcmp(pathkey, "HKEY_CLASSES_ROOT"))         key = HKEY_CLASSES_ROOT;
+        else if (!tb_strcmp(pathkey, "HKEY_CURRENT_CONFIG"))  key = HKEY_CURRENT_CONFIG;
+        else if (!tb_strcmp(pathkey, "HKEY_CURRENT_USER"))    key = HKEY_CURRENT_USER;
+        else if (!tb_strcmp(pathkey, "HKEY_LOCAL_MACHINE"))   key = HKEY_LOCAL_MACHINE;
+        else if (!tb_strcmp(pathkey, "HKEY_USERS"))           key = HKEY_USERS;
+        else 
+        {
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "invalid registry path: %s", path);
+            break;
+        }
+
+        // attempt to load RegGetValueA
+        static xm_RegGetValueA_t s_RegGetValueA = tb_null;
+        if (!s_RegGetValueA)
+        {
+            // load the advapi32 module
+            tb_dynamic_ref_t module = (tb_dynamic_ref_t)GetModuleHandleA("advapi32.dll");
+            if (!module) module = tb_dynamic_init("advapi32.dll");
+            if (module) s_RegGetValueA = (xm_RegGetValueA_t)tb_dynamic_func(module, "RegGetValueA");
+        }
+
+        // get registry value
+        DWORD type = 0;
+        if (s_RegGetValueA)
+        {
+            // get registry value size
+            DWORD valuesize = 0;
+            if (s_RegGetValueA(key, pathsubkey, valuename, RRF_RT_ANY, 0, tb_null, &valuesize) != ERROR_SUCCESS)
+            {
+                lua_pushnil(lua);
+                lua_pushfstring(lua, "get registry value size failed: %s", path);
+                break;
+            }
+
+            // make value buffer
+            value = (tb_char_t*)tb_malloc0(valuesize);
+            tb_assert_and_check_break(value);
+
+            // get value result
+            type = 0;
+            if (s_RegGetValueA(key, pathsubkey, valuename, RRF_RT_ANY, &type, (PVOID)value, &valuesize) != ERROR_SUCCESS)
+            {
+                lua_pushnil(lua);
+                lua_pushfstring(lua, "get registry value failed: %s", path);
+                break;
+            }
+        }
+        else
+        {
+            // open registry key
+            if (RegOpenKeyExA(key, pathsubkey, 0, KEY_QUERY_VALUE, &keynew) != ERROR_SUCCESS && keynew)
+            {
+                lua_pushnil(lua);
+                lua_pushfstring(lua, "open registry key failed: %s", path);
+                break;
+            }
+
+            // get registry value size
+            DWORD valuesize = 0;
+            if (RegQueryValueEx(keynew, valuename, tb_null, tb_null, tb_null, &valuesize) != ERROR_SUCCESS)
+            {
+                lua_pushnil(lua);
+                lua_pushfstring(lua, "get registry value size failed: %s", path);
+                break;
+            }
+
+            // make value buffer
+            value = (tb_char_t*)tb_malloc0(valuesize);
+            tb_assert_and_check_break(value);
+
+            // get value result
+            type = 0;
+            if (RegQueryValueEx(keynew, valuename, tb_null, &type, (LPBYTE)value, &valuesize) != ERROR_SUCCESS)
+            {
+                lua_pushnil(lua);
+                lua_pushfstring(lua, "get registry value failed: %s", path);
+                break;
+            }
+        }
+
+        // save result
+        switch (type)
+        {
+        case REG_SZ:
+        case REG_EXPAND_SZ:
+            lua_pushstring(lua, value);
+            ok = tb_true;
+            break;
+        case REG_DWORD:
+            lua_pushfstring(lua, "%d", *((tb_int_t*)value));
+            ok = tb_true;
+            break;
+        case REG_QWORD:
+            lua_pushfstring(lua, "%lld", *((tb_int64_t*)value));
+            ok = tb_true;
+            break;
+        default:
+            lua_pushnil(lua);
+            lua_pushfstring(lua, "unsupported registry value type: %d", type);
+            break;
+        }
+
+    } while (0);
+
+    // exit registry key
+    if (keynew != NULL)
+        RegCloseKey(keynew);
+    keynew = NULL;
+
+    // exit value
+    if (value) tb_free(value);
+    value = tb_null;
+
+    // ok?
+    return ok? 1 : 2;
+}
+#endif