turanszkij
133 lines
2.5 KiB
C++
133 lines
2.5 KiB
C++
#include "wiArchive.h"
|
|
#include "wiHelper.h"
|
|
|
|
#include <fstream>
|
|
#include <sstream>
|
|
|
|
using namespace std;
|
|
|
|
// this should always be only INCREMENTED and only if a new serialization is implemeted somewhere!
|
|
uint64_t __archiveVersion = 20;
|
|
// this is the version number of which below the archive is not compatible with the current version
|
|
uint64_t __archiveVersionBarrier = 1;
|
|
|
|
// version history is logged in ArchiveVersionHistory.txt file!
|
|
|
|
wiArchive::wiArchive()
|
|
{
|
|
CreateEmpty();
|
|
}
|
|
wiArchive::wiArchive(const std::string& fileName, bool readMode):readMode(readMode),pos(0),DATA(nullptr),dataSize(0),fileName(fileName)
|
|
{
|
|
if (!fileName.empty())
|
|
{
|
|
if (readMode)
|
|
{
|
|
ifstream file(fileName, ios::binary | ios::ate);
|
|
if (file.is_open())
|
|
{
|
|
dataSize = (size_t)file.tellg();
|
|
file.seekg(0, file.beg);
|
|
DATA = new char[(size_t)dataSize];
|
|
file.read(DATA, dataSize);
|
|
file.close();
|
|
(*this) >> version;
|
|
if (version < __archiveVersionBarrier)
|
|
{
|
|
stringstream ss("");
|
|
ss << "The archive version (" << version << ") is no longer supported!";
|
|
wiHelper::messageBox(ss.str(), "Error!");
|
|
Close();
|
|
}
|
|
if (version > __archiveVersion)
|
|
{
|
|
stringstream ss("");
|
|
|
|
ss << "The archive version (" << version << ") is higher than the program's ("<<__archiveVersion<<")!";
|
|
wiHelper::messageBox(ss.str(), "Error!");
|
|
Close();
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CreateEmpty();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
wiArchive::~wiArchive()
|
|
{
|
|
Close();
|
|
}
|
|
|
|
void wiArchive::CreateEmpty()
|
|
{
|
|
readMode = false;
|
|
pos = 0;
|
|
|
|
version = __archiveVersion;
|
|
dataSize = 128; // this will grow if necessary anyway...
|
|
DATA = new char[dataSize];
|
|
(*this) << version;
|
|
}
|
|
|
|
void wiArchive::SetReadModeAndResetPos(bool isReadMode)
|
|
{
|
|
readMode = isReadMode;
|
|
pos = 0;
|
|
|
|
if (readMode)
|
|
{
|
|
(*this) >> version;
|
|
}
|
|
else
|
|
{
|
|
(*this) << version;
|
|
}
|
|
}
|
|
|
|
bool wiArchive::IsOpen()
|
|
{
|
|
// when it is open, DATA is not null because it contains the version number at least!
|
|
return DATA != nullptr;
|
|
}
|
|
|
|
void wiArchive::Close()
|
|
{
|
|
if (!readMode && !fileName.empty())
|
|
{
|
|
SaveFile(fileName);
|
|
}
|
|
SAFE_DELETE_ARRAY(DATA);
|
|
}
|
|
|
|
bool wiArchive::SaveFile(const std::string& fileName)
|
|
{
|
|
if (pos <= 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
ofstream file(fileName, ios::binary | ios::trunc);
|
|
if (file.is_open())
|
|
{
|
|
file.write(DATA, (streamsize)pos);
|
|
file.close();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
string wiArchive::GetSourceDirectory()
|
|
{
|
|
return wiHelper::GetDirectoryFromPath(fileName);
|
|
}
|
|
|
|
string wiArchive::GetSourceFileName()
|
|
{
|
|
return fileName;
|
|
}
|