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