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95 lines
2.3 KiB
95 lines
2.3 KiB
/*
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* Copyright (c) 2010-2011 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "inputmessage.h"
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InputMessage::InputMessage()
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{
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reset();
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}
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void InputMessage::reset()
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{
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m_readPos = 0;
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m_messageSize = 2;
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}
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uint8 InputMessage::getU8(bool peek)
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{
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assert(canRead(1));
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uint8 v = m_buffer[m_readPos];
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if(!peek)
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m_readPos += 1;
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return v;
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}
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uint16 InputMessage::getU16(bool peek)
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{
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assert(canRead(2));
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uint16 v = *(uint16_t*)(m_buffer + m_readPos);
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if(!peek)
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m_readPos += 2;
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return v;
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}
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uint32 InputMessage::getU32(bool peek)
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{
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assert(canRead(4));
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uint32 v = *(uint32*)(m_buffer + m_readPos);
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if(!peek)
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m_readPos += 4;
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return v;
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}
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uint64 InputMessage::getU64(bool peek)
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{
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assert(canRead(8));
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uint64 v = *(uint64*)(m_buffer + m_readPos);
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if(!peek)
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m_readPos += 8;
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return v;
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}
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std::string InputMessage::getString()
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{
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uint16 stringLength = getU16();
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assert(canRead(stringLength));
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char* v = (char*)(m_buffer + m_readPos);
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m_readPos += stringLength;
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return std::string(v, stringLength);
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}
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bool InputMessage::canRead(int bytes)
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{
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if((m_readPos + bytes > m_messageSize) || (m_readPos + bytes > BUFFER_MAXSIZE))
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return false;
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return true;
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}
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