try

1 files changed, 74 insertions, 0 deletions

diff --git a/core/src/xmake/string/upper.c b/core/src/xmake/string/upper.c
new file mode 100644
index 000000000..313e268a1
--- /dev/null
+++ b/core/src/xmake/string/upper.c
@@ -0,0 +1,74 @@
+/*!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        upper.c
+ *
+ */
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * includes
+ */
+#include "prefix.h"
+
+/* //////////////////////////////////////////////////////////////////////////////////////
+ * implementation
+ */
+
+/* string.upper
+ *
+ * @param str       the string
+ *
+ * @code
+ *      local result = (str)
+ * @endcode
+ */
+tb_int_t xm_string_upper(lua_State *lua) {
+    // check
+    tb_assert_and_check_return_val(lua, 0);
+
+    // get string
+    size_t           size = 0;
+    tb_char_t const* cstr = luaL_checklstring(lua, 1, &size);
+    tb_check_return_val(cstr, 0);
+
+    // empty?
+    if (!size) {
+        lua_pushstring(lua, "");
+        return 1;
+    }
+
+    // copy string to buffer
+    tb_char_t* buffer = tb_malloc_bytes(size + 1);
+    if (buffer) {
+        tb_memcpy(buffer, cstr, size);
+        buffer[size] = '\0';
+
+        // to upper
+        tb_long_t real_size = tb_charset_utf8_toupper(buffer, size);
+        
+        // push result
+        if (real_size >= 0) {
+            lua_pushlstring(lua, buffer, real_size);
+        } else {
+            lua_pushlstring(lua, cstr, size);
+        }
+        tb_free(buffer);
+    } else {
+        lua_pushnil(lua);
+    }
+    return 1;
+}