1 files changed, 70 insertions, 0 deletions
diff --git a/Source/WTF/wtf/text/win/WCharStringExtras.h b/Source/WTF/wtf/text/win/WCharStringExtras.h
new file mode 100644
index 000000000..9d004e515
--- /dev/null
+++ b/Source/WTF/wtf/text/win/WCharStringExtras.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2017 Konstantin Tokarev <annulen@yandex.ru>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <wchar.h>
+#include <wtf/text/WTFString.h>
+
+namespace WTF {
+
+inline Vector<wchar_t> stringToNullTerminatedWChar(const String& string)
+{
+    Vector<wchar_t> result;
+
+    if (!string.isNull()) {
+        result.reserveInitialCapacity(string.impl()->length() + 1);
+
+        if (string.is8Bit()) {
+            const LChar* characters8 = string.impl()->characters8();
+            for (size_t i = 0; i < string.impl()->length(); ++i)
+                result.uncheckedAppend(characters8[i]);
+        } else {
+            const UChar* characters16 = string.impl()->characters16();
+            result.append(characters16, string.impl()->length());
+        }
+
+        result.append(0);
+    }
+
+    return result;
+}
+
+inline String wcharToString(const wchar_t* characters, unsigned length)
+{
+    static_assert(sizeof(wchar_t) == sizeof(UChar), "We assume wchar_t and UChar have the same size");
+    return String(reinterpret_cast<const UChar*>(characters), length);
+}
+
+inline String nullTerminatedWCharToString(const wchar_t* characters)
+{
+    return wcharToString(characters, wcslen(characters) - 1);
+}
+
+} // namespace WTF
+
+using WTF::stringToNullTerminatedWChar;
+using WTF::wcharToString;
+using WTF::nullTerminatedWCharToString;