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      1 // Copyright 2010, Google Inc. All rights reserved.
      2 //
      3 // Redistribution and use in source and binary forms, with or without
      4 // modification, are permitted provided that the following conditions are
      5 // met:
      6 //
      7 //     * Redistributions of source code must retain the above copyright
      8 // notice, this list of conditions and the following disclaimer.
      9 //     * Redistributions in binary form must reproduce the above
     10 // copyright notice, this list of conditions and the following disclaimer
     11 // in the documentation and/or other materials provided with the
     12 // distribution.
     13 //     * Neither the name of Google Inc. nor the names of its
     14 // contributors may be used to endorse or promote products derived from
     15 // this software without specific prior written permission.
     16 //
     17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 #ifndef RawURLBuffer_h
     30 #define RawURLBuffer_h
     31 
     32 #include "URLBuffer.h"
     33 #include <stdlib.h>
     34 
     35 namespace WTF {
     36 
     37 // Simple implementation of the URLBuffer using new[]. This class
     38 // also supports a static buffer so if it is allocated on the stack, most
     39 // URLs can be canonicalized with no heap allocations.
     40 template<typename CHAR, int inlineCapacity = 1024>
     41 class RawURLBuffer : public URLBuffer<CHAR> {
     42 public:
     43     RawURLBuffer() : URLBuffer<CHAR>()
     44     {
     45         this->m_buffer = m_inlineBuffer;
     46         this->m_capacity = inlineCapacity;
     47     }
     48 
     49     virtual ~RawURLBuffer()
     50     {
     51         if (this->m_buffer != m_inlineBuffer)
     52             delete[] this->m_buffer;
     53     }
     54 
     55     virtual void resize(int size)
     56     {
     57         CHAR* newBuffer = new CHAR[size];
     58         memcpy(newBuffer, this->m_buffer, sizeof(CHAR) * (this->m_length < size ? this->m_length : size));
     59         if (this->m_buffer != m_inlineBuffer)
     60             delete[] this->m_buffer;
     61         this->m_buffer = newBuffer;
     62         this->m_capacity = size;
     63     }
     64 
     65 protected:
     66     CHAR m_inlineBuffer[inlineCapacity];
     67 };
     68 
     69 } // namespace WTF
     70 
     71 #endif // RawURLBuffer_h
     72