1 files changed, 80 insertions, 0 deletions
diff --git a/WebCore/platform/text/CString.h b/WebCore/platform/text/CString.h
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+++ b/WebCore/platform/text/CString.h
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+/*
+ * Copyright (C) 2003, 2006, 2008 Apple 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 CString_h
+#define CString_h
+
+#include "SharedBuffer.h"
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+    class CStringBuffer : public RefCounted<CStringBuffer> {
+    public:
+        static PassRefPtr<CStringBuffer> create(unsigned length) { return adoptRef(new CStringBuffer(length)); }
+
+        char* data() { return m_vector.data(); }
+        size_t length() const { return m_vector.size(); }
+        
+        PassRefPtr<SharedBuffer> releaseBuffer() { return SharedBuffer::adoptVector(m_vector); }
+
+    private:
+        CStringBuffer(unsigned length) : m_vector(length) { }
+
+        Vector<char> m_vector;
+    };
+
+    // A container for a null-terminated char array supporting copy-on-write
+    // assignment.  The contained char array may be null.
+    class CString {
+    public:
+        CString() { }
+        CString(const char*);
+        CString(const char*, unsigned length);
+        static CString newUninitialized(size_t length, char*& characterBuffer);
+
+        const char* data() const;
+        char* mutableData();
+        unsigned length() const;
+
+        bool isNull() const { return !m_buffer; }
+        
+        PassRefPtr<SharedBuffer> releaseBuffer();
+
+    private:
+        void copyBufferIfNeeded();
+        void init(const char*, unsigned length);
+        RefPtr<CStringBuffer> m_buffer;
+    };
+
+    bool operator==(const CString& a, const CString& b);
+    inline bool operator!=(const CString& a, const CString& b) { return !(a == b); }
+
+} // namespace WebCore
+
+#endif // CString_h