WebCore/bindings/cpp/WebDOMString.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/cpp/WebDOMString.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,99 @@
+/*
+ * 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 WebDOMString_h
+#define WebDOMString_h
+
+#include <WebDOMCString.h>
+
+namespace WebCore {
+class String;
+class AtomicString;
+}
+
+class WebDOMStringPrivate;
+
+// A UTF-16 string container.  It is inexpensive to copy a WebDOMString
+// object.
+//
+// WARNING: It is not safe to pass a WebDOMString across threads!!!
+//
+class WebDOMString {
+public:
+    ~WebDOMString() { reset(); }
+
+    WebDOMString() : m_private(0) { }
+
+    WebDOMString(const WebUChar* data, size_t len) : m_private(0)
+    {
+        assign(data, len);
+    }
+
+    WebDOMString(const WebDOMString& s) : m_private(0) { assign(s); }
+
+    WebDOMString& operator=(const WebDOMString& s)
+    {
+        assign(s);
+        return *this;
+    }
+
+    void reset();
+    void assign(const WebDOMString&);
+    void assign(const WebUChar* data, size_t len);
+
+    size_t length() const;
+    const WebUChar* data() const;
+
+    bool isEmpty() const { return !length(); }
+    bool isNull() const { return !m_private; }
+
+    WebDOMCString utf8() const;
+
+    static WebDOMString fromUTF8(const char* data, size_t length);
+    static WebDOMString fromUTF8(const char* data);
+
+    template <int N> WebDOMString(const char (&data)[N])
+        : m_private(0)
+    {
+        assign(fromUTF8(data, N - 1));
+    }
+
+    template <int N> WebDOMString& operator=(const char (&data)[N])
+    {
+        assign(fromUTF8(data, N - 1));
+        return *this;
+    }
+
+    WebDOMString(const WebCore::String&);
+    WebDOMString& operator=(const WebCore::String&);
+    operator WebCore::String() const;
+
+    WebDOMString(const WebCore::AtomicString&);
+    WebDOMString& operator=(const WebCore::AtomicString&);
+    operator WebCore::AtomicString() const;
+
+    bool equals(const char* string) const;
+
+private:
+    void assign(WebDOMStringPrivate*);
+    WebDOMStringPrivate* m_private;
+};
+
+#endif