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73 lines
2.6 KiB
C++
73 lines
2.6 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file 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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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#pragma once
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#include <cstddef>
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namespace Serialization {
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class MemoryWriter
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{
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public:
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MemoryWriter(std::size_t size = 128, bool reallocate = true);
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~MemoryWriter();
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const char* c_str() { return memory_; };
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const wchar_t* w_str() { return (wchar_t*)memory_; };
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char* buffer() { return memory_; }
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const char* buffer() const { return memory_; }
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std::size_t size() const{ return size_; }
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void clear() { position_ = memory_; }
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// String interface (after this calls '\0' is always written)
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MemoryWriter& operator<<(int value);
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MemoryWriter& operator<<(long value);
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MemoryWriter& operator<<(unsigned long value);
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MemoryWriter& operator<<(unsigned int value);
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MemoryWriter& operator<<(long long value);
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MemoryWriter& operator<<(unsigned long long value);
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MemoryWriter& operator<<(float value) { return (*this) << double(value); }
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MemoryWriter& operator<<(double value);
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MemoryWriter& operator<<(signed char value);
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MemoryWriter& operator<<(unsigned char value);
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MemoryWriter& operator<<(char value);
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MemoryWriter& operator<<(const char* value);
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MemoryWriter& operator<<(const wchar_t* value);
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// Binary interface (does not writes trailing '\0')
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template<class T>
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void write(const T& value)
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{
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write(reinterpret_cast<const T*>(&value), sizeof(value));
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}
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void write(char c);
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void write(const char* str);
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bool write(const void* data, std::size_t size);
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std::size_t position() const{ return position_ - memory_; }
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void setPosition(std::size_t pos);
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MemoryWriter& setDigits(int digits) { digits_ = (unsigned char)digits; return *this; }
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private:
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void allocate(std::size_t initialSize);
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void reallocate(std::size_t newSize);
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std::size_t size_;
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char* position_;
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char* memory_;
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bool reallocate_;
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unsigned char digits_;
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};
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}
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