Update Nemirtingas overlay to latest.

overlay_experimental/System/String.cpp

@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) Nemirtingas
+ * This file is part of System.
+ *
+ * System is free software; you can redistribute it
+ * and/or modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * System is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with System; if not, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include "System_internals.h"
+
+#include "String.hpp"
+
+#include <string.h>
+#include <algorithm>
+#include <cctype>
+
+namespace System {
+namespace String {
+namespace details {
+
+void LeftTrim(std::string& str)
+{
+    str.erase(str.begin(), std::find_if(str.begin(), str.end(), [](const char c)
+    {
+        return !std::isspace((unsigned char)c);
+    }));
+}
+
+void RightTrim(std::string& str)
+{
+    str.erase(std::find_if(str.rbegin(), str.rend(), [](const char c)
+    {
+        return !std::isspace((unsigned char)c);
+    }).base(), str.end());
+}
+
+void ToUpper(char* str, size_t len)
+{
+    while(len--)
+    {
+        unsigned char c = (unsigned char)*str;
+        *str++ = std::toupper(c);
+    }
+}
+
+void ToLower(char* str, size_t len)
+{
+    while (len--)
+    {
+        unsigned char c = (unsigned char)*str;
+        *str++ = std::tolower(c);
+    }
+}
+
+char* CloneString(System::StringView src)
+{
+    size_t len = src.length() + 1;
+    char* res = new char[len];
+    memcpy(res, src.data(), len);
+    return res;
+}
+
+size_t CopyString(System::StringView src, char* dst, size_t dst_size)
+{
+    size_t written = 0;
+    if (dst != nullptr && dst_size > 0)
+    {
+        written = src.length() > dst_size ? dst_size - 1 : src.length();
+        memcpy(dst, src.data(), written);
+        dst[written] = '\0';
+    }
+    return written;
+}
+
+}// namespace details
+
+}// namespace String
+}// namespace System