WebCore/bindings/cpp/WebDOMCString.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/cpp/WebDOMCString.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef WebDOMCString_h
+#define WebDOMCString_h
+
+#include <WebDOMObject.h>
+#include <stddef.h> // For size_t
+
+namespace WTF {
+class CString;
+};
+
+// UTF-16 character type
+#if defined(WIN32)
+typedef wchar_t WebUChar;
+#else
+typedef unsigned short WebUChar;
+#endif
+
+class WebDOMCStringPrivate;
+class WebDOMString;
+
+// A single-byte string container with unspecified encoding.  It is
+// inexpensive to copy a WebDOMCString object.
+//
+// WARNING: It is not safe to pass a WebDOMCString across threads!!!
+//
+class WebDOMCString {
+public:
+    ~WebDOMCString() { reset(); }
+
+    WebDOMCString() : m_private(0) { }
+
+    WebDOMCString(const char* data, size_t len) : m_private(0)
+    {
+        assign(data, len);
+    }
+
+    WebDOMCString(const WebDOMCString& s) : m_private(0) { assign(s); }
+
+    WebDOMCString& operator=(const WebDOMCString& s)
+    {
+        assign(s);
+        return *this;
+    }
+
+    void reset();
+    void assign(const WebDOMCString&);
+    void assign(const char* data, size_t len);
+
+    size_t length() const;
+    const char* data() const;
+
+    bool isEmpty() const { return !length(); }
+    bool isNull() const { return !m_private; }
+
+    WebDOMString utf16() const;
+
+    static WebDOMCString fromUTF16(const WebUChar* data, size_t length);
+    static WebDOMCString fromUTF16(const WebUChar* data);
+
+    WebDOMCString(const WTF::CString&);
+    WebDOMCString& operator=(const WTF::CString&);
+    operator WTF::CString() const;
+
+private:
+    void assign(WebDOMCStringPrivate*);
+    WebDOMCStringPrivate* m_private;
+};
+
+#endif