external/webkit r30707

1 files changed, 64 insertions, 0 deletions

diff --git a/WebCore/platform/text/TextDecoder.h b/WebCore/platform/text/TextDecoder.h
new file mode 100644
index 0000000..3892032
--- /dev/null
+++ b/WebCore/platform/text/TextDecoder.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2004, 2006 Apple Computer, Inc.  All rights reserved.
+ *
+ * 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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. 
+ */
+
+#ifndef TextDecoder_h
+#define TextDecoder_h
+
+#include "PlatformString.h"
+#include "TextCodec.h"
+#include "TextEncoding.h"
+#include <wtf/OwnPtr.h>
+
+namespace WebCore {
+
+    class TextCodec;
+
+    class TextDecoder {
+    public:
+        TextDecoder(const TextEncoding&);
+        void reset(const TextEncoding&);
+        const TextEncoding& encoding() const { return m_encoding; };
+
+        String decode(const char* data, size_t length, bool flush = false)
+        {
+            if (!m_checkedForBOM)
+                return checkForBOM(data, length, flush);
+            return m_codec->decode(data, length, flush);
+        }
+
+    private:
+        String checkForBOM(const char*, size_t length, bool flush);
+
+        TextEncoding m_encoding;
+        OwnPtr<TextCodec> m_codec;
+
+        bool m_checkedForBOM;
+        unsigned char m_numBufferedBytes;
+        unsigned char m_bufferedBytes[3];
+    };
+
+} // namespace WebCore
+
+#endif // TextDecoder_h