Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/text/CString.h

-/*
- * Copyright (C) 2003, 2006, 2008, 2009, 2010, 2012 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 <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/Vector.h>
-
-namespace WTF {
-
-// CStringBuffer is the ref-counted storage class for the characters in a CString.
-// The data is implicitly allocated 1 character longer than length(), as it is zero-terminated.
-class CStringBuffer : public RefCounted<CStringBuffer> {
-public:
-    const char* data() { return m_data; }
-    size_t length() const { return m_length; }
-
-private:
-    friend class CString;
-
-    static PassRefPtr<CStringBuffer> createUninitialized(size_t length);
-
-    CStringBuffer(size_t length) : m_length(length) { }
-    char* mutableData() { return m_data; }
-
-    const unsigned m_length;
-    char m_data[1];
-};
-
-// A container for a null-terminated char array supporting copy-on-write
-// assignment.  The contained char array may be null.
-class CString {
-public:
-    CString() { }
-    WTF_EXPORT_PRIVATE CString(const char*);
-    WTF_EXPORT_PRIVATE CString(const char*, size_t length);
-    CString(CStringBuffer* buffer) : m_buffer(buffer) { }
-    WTF_EXPORT_PRIVATE static CString newUninitialized(size_t length, char*& characterBuffer);
-
-    const char* data() const
-    {
-        return m_buffer ? m_buffer->data() : 0;
-    }
-    WTF_EXPORT_PRIVATE char* mutableData();
-    size_t length() const
-    {
-        return m_buffer ? m_buffer->length() : 0;
-    }
-
-    bool isNull() const { return !m_buffer; }
-    bool isSafeToSendToAnotherThread() const;
-
-    CStringBuffer* buffer() const { return m_buffer.get(); }
-
-private:
-    void copyBufferIfNeeded();
-    void init(const char*, size_t length);
-    RefPtr<CStringBuffer> m_buffer;
-};
-
-WTF_EXPORT_PRIVATE bool operator==(const CString& a, const CString& b);
-inline bool operator!=(const CString& a, const CString& b) { return !(a == b); }
-WTF_EXPORT_PRIVATE bool operator==(const CString& a, const char* b);
-inline bool operator!=(const CString& a, const char* b) { return !(a == b); }
-
-} // namespace WTF
-
-using WTF::CString;
-
-#endif // CString_h