author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 09:20:16 +0200 | |
changeset 25 | 0ed94ceaa377 |
parent 0 | dd21522fd290 |
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/* |
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* Copyright (C) 2003, 2006 Apple Computer, Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef CString_h |
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#define CString_h |
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#include "Shared.h" |
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#include <wtf/Vector.h> |
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using std::min; |
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namespace WebCore { |
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class DeprecatedCString; |
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class CStringBuffer : public Shared<CStringBuffer> { |
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public: |
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CStringBuffer(unsigned length) : m_vector(length) { } |
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char* data() { return m_vector.data(); } |
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unsigned length() const { return m_vector.size(); } |
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private: |
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Vector<char> m_vector; |
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}; |
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// A container for a null-terminated char array supporting copy-on-write |
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// assignment. The contained char array may be null. |
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class CString { |
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public: |
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CString() { } |
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CString(const char*); |
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CString(const char*, unsigned length); |
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static CString newUninitialized(size_t length, char*& characterBuffer); |
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const char* data() const; |
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char* mutableData(); |
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unsigned length() const; |
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bool isNull() const { return !m_buffer; } |
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CString(const DeprecatedCString&); |
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DeprecatedCString deprecatedCString() const; |
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private: |
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void copyBufferIfNeeded(); |
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void init(const char*, unsigned length); |
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RefPtr<CStringBuffer> m_buffer; |
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}; |
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bool operator==(const CString& a, const CString& b); |
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inline bool operator!=(const CString& a, const CString& b) { return !(a == b); } |
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} |
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#endif // CString_h |