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82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
// Copyright (c) 2005-2022 Jay Berkenbilt
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//
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// This file is part of qpdf.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Versions of qpdf prior to version 7 were released under the terms
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// of version 2.0 of the Artistic License. At your option, you may
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// continue to consider qpdf to be licensed under those terms. Please
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// see the manual for additional information.
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#ifndef BUFFER_HH
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#define BUFFER_HH
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#include <qpdf/DLL.h>
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#include <qpdf/PointerHolder.hh>
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#include <memory>
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#include <stddef.h>
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class Buffer
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{
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public:
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QPDF_DLL
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Buffer();
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// Create a Buffer object whose memory is owned by the class and
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// will be freed when the Buffer object is destroyed.
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QPDF_DLL
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Buffer(size_t size);
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// Create a Buffer object whose memory is owned by the caller and
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// will not be freed when the Buffer is destroyed.
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QPDF_DLL
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Buffer(unsigned char* buf, size_t size);
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QPDF_DLL
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Buffer(Buffer const&);
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QPDF_DLL
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Buffer& operator=(Buffer const&);
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QPDF_DLL
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size_t getSize() const;
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QPDF_DLL
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unsigned char const* getBuffer() const;
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QPDF_DLL
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unsigned char* getBuffer();
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private:
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class Members
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{
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friend class Buffer;
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public:
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QPDF_DLL
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~Members();
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private:
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Members(size_t size, unsigned char* buf, bool own_memory);
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Members(Members const&) = delete;
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bool own_memory;
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size_t size;
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unsigned char* buf;
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};
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void copy(Buffer const&);
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std::shared_ptr<Members> m;
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};
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#endif // BUFFER_HH
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