103 lines
3.1 KiB
C++
103 lines
3.1 KiB
C++
/*
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www.sourceforge.net/projects/dfhack
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Copyright (c) 2009 Petr Mrázek (peterix), Kenneth Ferland (Impaler[WrG]), dorf
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any
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damages arising from the use of this software.
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Permission is granted to anyone to use this software for any
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purpose, including commercial applications, and to alter it and
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redistribute it freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must
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not claim that you wrote the original software. If you use this
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software in a product, an acknowledgment in the product documentation
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would be appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and
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must not be misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#include "Internal.h"
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#include <string>
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#include <vector>
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#include <map>
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using namespace std;
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#include "MicrosoftSTL.h"
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#include "dfhack/DFProcess.h"
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#include "dfhack/VersionInfo.h"
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using namespace DFHack;
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void MicrosoftSTL::init(Process* self)
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{
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p = self;
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OffsetGroup * strGrp = p->getDescriptor()->getGroup("string")->getGroup("MSVC");
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STLSTR_buf_off = strGrp->getOffset("buffer");
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STLSTR_size_off = strGrp->getOffset("size");
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STLSTR_cap_off = strGrp->getOffset("capacity");
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}
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size_t MicrosoftSTL::readSTLString (uint32_t offset, char * buffer, size_t bufcapacity)
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{
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uint32_t start_offset = offset + STLSTR_buf_off;
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size_t length = p->readDWord(offset + STLSTR_size_off);
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size_t capacity = p->readDWord(offset + STLSTR_cap_off);
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size_t read_real = min(length, bufcapacity-1);// keep space for null termination
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// read data from inside the string structure
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if(capacity < 16)
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{
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p->read(start_offset, read_real , (uint8_t *)buffer);
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}
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else // read data from what the offset + 4 dword points to
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{
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start_offset = p->readDWord(start_offset);// dereference the start offset
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p->read(start_offset, read_real, (uint8_t *)buffer);
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}
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buffer[read_real] = 0;
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return read_real;
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}
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const string MicrosoftSTL::readSTLString (uint32_t offset)
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{
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uint32_t start_offset = offset + STLSTR_buf_off;
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size_t length = p->readDWord(offset + STLSTR_size_off);
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size_t capacity = p->readDWord(offset + STLSTR_cap_off);
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char * temp = new char[capacity+1];
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// read data from inside the string structure
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if(capacity < 16)
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{
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p->read(start_offset, capacity, (uint8_t *)temp);
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}
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else // read data from what the offset + 4 dword points to
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{
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start_offset = p->readDWord(start_offset);// dereference the start offset
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p->read(start_offset, capacity, (uint8_t *)temp);
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}
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temp[length] = 0;
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string ret = temp;
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delete temp;
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return ret;
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}
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string MicrosoftSTL::readClassName (uint32_t vptr)
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{
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int rtti = p->readDWord(vptr - 0x4);
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int typeinfo = p->readDWord(rtti + 0xC);
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string raw = p->readCString(typeinfo + 0xC); // skips the .?AV
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raw.resize(raw.length() - 2);// trim @@ from end
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return raw;
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}
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