void data_base::RestoreFileContents()
{
/*This method should be called immediately after opening a file in write mode
*so the contents are kept in the file for other processes that may be using it.
*/
CleanFileContentsOfArtifacts();
TrimEndOfFile();
FlushData();
}
void data_base::WriteValue(const std::string& value, const std::string& search)
{
/*Writes value into an specific 'tag' in file. i.e. value = 3; [search = value, value = 5] -> value = 5;*/
if(buffer != "" && search != "")
{
int start = findString(search.c_str(), buffer.c_str()) + search.length() + 3;//3 is the number of spaces in the line that form the string " = ". Check the syntax of files
int end = searchCharIndex(';', buffer, start);
int size = end - start;
buffer.replace(start, size, value);
FlushData();
}
else if(buffer == "" && search != "")
{
std::cout<<"Error: File is empty!\n\r";
}
else
{
buffer = value;
FlushData();
}
}
void FillZero( int nLength )
{
int nCount = 0;
while( nCount < nLength )
{
if( nChars == 0 )
memset( pHexText, 0, sizeof(pHexText) );
sprintf( &pHexText[strlen(pHexText)], "0x00," );
pComment[nChars] = 0x00;
nChars++;
nCount++;
if( nChars == MAX_CHARS_PER_LINE )
FlushData();
}
if( nChars )
FlushData();
}
data_base::~data_base()
{
/*Makes sure the file handle is properly closed from the constructor event. It helps prevent file handle leaks.*/
if(file.is_open())
{
file.close();
}
if(output.is_open())
{
FlushData();
output.close();
}
}
void data_base::WriteValueWithLineIndex(const std::string& value, const std::string& search, int instanceIndex)
{
/*This methods find the instance of a keyword and modifies its value. i.e. value = 3;\nvalue = 4 [mod line 2 with 3] -> value = 3;\nvalue = 3.*/
int start = GetLineIndex(search, instanceIndex) + 3;
int end = searchCharIndex(';', buffer, start);
int size = end - start;
if(end == ENDOFFILE)
{
end = searchCharIndex('\n', buffer, start);
}
if(buffer != "")
{
buffer.replace(start, size, value);
FlushData();
}
}
void ProduceData( unsigned char *pData, int nDataLen )
{
int nCount = 0;
while( nCount < nDataLen )
{
if( nChars == 0 )
memset( pHexText, 0, sizeof(pHexText) );
sprintf( &pHexText[strlen(pHexText)], "0x%02X,", pData[nCount] );
pComment[nChars] = pData[nCount];
nChars++;
nCount++;
if( nChars == MAX_CHARS_PER_LINE )
FlushData();
}
}
bool CXmlConfig::Save()
{
return FlushData();
}
