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VariableRecord.cpp
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VariableRecord.cpp
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#include "stdafx.h"
#include "VariableRecord.h"
namespace E{
VariableRecord::VariableRecord(const VariableSet & v, bool IsCon)
{
length = IsCon ? v.GetTotalCon() : v.GetTotalVar();
data = new Value_Type[length];
}
VariableRecord::VariableRecord(int length)
{
this->length = length;
data = new Value_Type[length];
}
VariableRecord::VariableRecord(const VariableRecord & obj)
{
length = obj.length;
data = new Value_Type[length];
memcpy(data, obj.data, sizeof(Value_Type)* length);
}
VariableRecord::VariableRecord(VariableRecord && obj)
{
length = obj.length;
data = obj.data;
obj.data = nullptr;
}
VariableRecord::~VariableRecord()
{
if (!this->data)
return;
delete[] data;
data = nullptr;
}
VariableRecord & VariableRecord::operator=(const VariableRecord & obj)
{
if (this == &obj)
return *this;
if (this->data)
delete[] this->data;
length = obj.length;
data = new Value_Type[length];
memcpy(data, obj.data, sizeof(Value_Type)* length);
return *this;
}
VariableRecord & VariableRecord::operator=(VariableRecord && obj)
{
if (this == &obj)
return *this;
if (this->data)
delete[] this->data;
length = obj.length;
data = obj.data;
obj.data = nullptr;
return *this;
}
void VariableRecord::CopyFrom(const VariableRecord & obj)
{
if (this->length != obj.length)
throw std::logic_error("Invalid Copy");
memcpy(this->data, obj.data, sizeof(Value_Type)*length);
}
void VariableRecord::InnerInit(int len)
{
this->length = len;
data = new Value_Type[len];
}
int VariableSet::GetNameID(mylib::string s) const
{
if (s == time)
return 0;
for (int i = 0; i < VarNames.size(); i++)
if (s == VarNames[i])
return i + 1;
for (int i = 0; i < ConNames.size(); i++)
if (s == ConNames[i])
return i + VarNames.size() + 1;
return -1;
}
mylib::string VariableSet::GetVarName(int index)const
{
if (index == 0)
return time;
if (index < 0)
throw std::invalid_argument("Invalid Index.");
if (index > this->VarNames.size())
{
if (index > this->ConNames.size() + this->VarNames.size())
throw std::invalid_argument("Invalid Index.");
return ConNames[index - this->VarNames.size() - 1];
}
return VarNames[index - 1];
}
int VariableSet::CalcFileLength() const
{
int result = 24;
for (int i = 0; i < VarNames.size(); i++)
result += VarNames[i].size();
for (int i = 0; i < ConNames.size(); i++)
result += ConNames[i].size();
result += (VarNames.size() + ConNames.size()) * 4 + time.size();
return result;
}
int VariableSet::WriteFile(HANDLE hFile)const throw(std::runtime_error, std::logic_error)
{
struct VariableSetHeader
{
int Signature;
int Version;
int TotalSize;
int VarLength;
int ConLength;
} _struct = { _VARSET_SIGNATURE, _VARSET_VERSION, CalcFileLength(), VarNames.size(), ConNames.size() };
DWORD dwWrite, dwTmp;
BOOL bResult;
int strlen;
bResult = ::WriteFile(hFile, &_struct, 20, &dwWrite, NULL);
if (!bResult || dwWrite != 20)
throw std::runtime_error("Writing Failure.");
//дÈëtime
strlen = time.size();
bResult = ::WriteFile(hFile, &strlen, 4, &dwTmp, NULL);
if (!bResult || dwTmp != 4)
throw "Writing Failure";
dwWrite += dwTmp;
bResult = ::WriteFile(hFile, (const char*)time, strlen, &dwTmp, NULL);
if (!bResult || (long)dwTmp != strlen)
throw "Writing Failure";
dwWrite += dwTmp;
//дÈë±äÁ¿
for (int i = 0; i < _struct.VarLength; i++)
{
strlen = VarNames[i].size();
bResult = ::WriteFile(hFile, &strlen, 4, &dwTmp, NULL);
if (!bResult || dwTmp != 4)
throw "Writing Failure";
dwWrite += dwTmp;
bResult = ::WriteFile(hFile, (const char*)VarNames[i], strlen, &dwTmp, NULL);
if (!bResult || (long)dwTmp != strlen)
throw "Writing Failure";
dwWrite += dwTmp;
}
//дÈë³£Êý
for (int i = 0; i < _struct.ConLength; i++)
{
strlen = ConNames[i].size();
bResult = ::WriteFile(hFile, &strlen, 4, &dwTmp, NULL);
if (!bResult || dwTmp != 4)
throw "Writing Failure";
dwWrite += dwTmp;
bResult = ::WriteFile(hFile, (const char*)ConNames[i], strlen, &dwTmp, NULL);
if (!bResult || (long)dwTmp != strlen)
throw "Writing Failure";
dwWrite += dwTmp;
}
if (_struct.TotalSize != (long)dwWrite)
throw std::runtime_error("runtime check failure. written size error.");
return dwWrite;
}
VariableSet VariableSet::ReadFile(HANDLE hFile, int * Length) throw(std::runtime_error, std::logic_error)
{
struct VariableSetHeader
{
int Signature;
int Version;
int TotalSize;
int VarLength;
int ConLength;
} _struct;
DWORD dwRead, dwTmp;
BOOL bResult;
bResult = ::ReadFile(hFile, &_struct, 20, &dwRead, NULL);
if (!bResult || dwRead != 20)
throw std::runtime_error("Reading Failure.");
if (_struct.Signature != _VARSET_SIGNATURE)
{
if (HFILE_ERROR == SetFilePointer(hFile, -(long)dwRead, NULL, FILE_CURRENT))
throw std::runtime_error("Reading failure and can't go back to default position.");
throw std::logic_error("Invalid Signature.");
}
if (_struct.Version != _VARSET_VERSION)
{
if (HFILE_ERROR == SetFilePointer(hFile, -(long)dwRead, NULL, FILE_CURRENT))
throw std::runtime_error("Reading failure and can't go back to default position.");
throw std::logic_error("Invalid Version.");
}
mylib::vector<mylib::string> lst, conlst;
int strlen;
bResult = ::ReadFile(hFile, &strlen, sizeof(int), &dwTmp, NULL);
if (!bResult || dwTmp != sizeof(int))
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
mylib::string time(strlen);
bResult = ::ReadFile(hFile, (char*)time, strlen, &dwTmp, NULL);
time.refresh();
if (!bResult || (long)dwTmp != strlen)
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
for (int i = 0; i < _struct.VarLength; i++)
{
bResult = ::ReadFile(hFile, &strlen, sizeof(int), &dwTmp, NULL);
if (!bResult || dwTmp != sizeof(int))
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
mylib::string s(strlen);
bResult = ::ReadFile(hFile, (char*)s, strlen, &dwTmp, NULL); s.refresh();
if (!bResult || (long)dwTmp != strlen)
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
lst.push_back(s);
}
for (int i = 0; i < _struct.ConLength; i++)
{
bResult = ::ReadFile(hFile, &strlen, sizeof(int), &dwTmp, NULL);
if (!bResult || dwTmp != sizeof(int))
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
mylib::string s(strlen);
bResult = ::ReadFile(hFile, (char*)s, strlen, &dwTmp, NULL); s.refresh();
if (!bResult || (long)dwTmp != strlen)
throw std::runtime_error("Reading Failure.");
dwRead += dwTmp;
conlst.push_back(s);
}
if ((long)dwRead != _struct.TotalSize)
{
if (HFILE_ERROR == SetFilePointer(hFile, -(long)dwRead, NULL, FILE_CURRENT))
throw std::runtime_error("Reading failure and can't go back to default position.");
throw std::logic_error("Invalid Format");
}
if (Length)
*Length = dwRead;
return VariableSet(time, lst, conlst);
}
}