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DirectFileReader.cpp
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DirectFileReader.cpp
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/* Copyright (C) 2015 Willi Menapace <[email protected]>, Simone Lorengo - All Rights Reserved
* Unauthorized copying of this file, via any medium is strictly prohibited
* Proprietary and confidential
* Written by Willi Menapace <[email protected]>
*/
#include "DirectFileReader.h"
#include "GlobalDefines.h"
#include <assert.h>
#ifdef OFFBOARD
std::istream *DirectFileReader::getStream() {
//Se lo stream non e' disponibile ritorna NULL
if(!isOpen()) {
return 0;
}
return &inFile;
}
#endif // OFFBOARD
#ifdef ONBOARD
Stream *DirectFileReader::getStream() {
//Se lo stream non e' disponibile ritorna NULL
if(!isOpen()) {
return 0;
}
return &inFile;
}
#endif // ONBOARD
unsigned long DirectFileReader::getSize() {
assert(isOpen());
#ifdef OFFBOARD
std::streampos previuosPosition = inFile.tellg();
inFile.seekg(0, inFile.end);
std::streamsize length = inFile.tellg();
inFile.seekg(previuosPosition);
return (unsigned long) length;
#endif
#ifdef ONBOARD
return inFile.size();
#endif // ONBOARD
}
bool DirectFileReader::open(const char *_fileName) {
#ifdef OFFBOARD
inFile.open(_fileName, std::ios::in | std::ios::binary);
return inFile.is_open();
#endif
#ifdef ONBOARD
inFile = SD.open((char *) _fileName, FILE_READ);
return (inFile == true);
#endif // ONBOARD
}
bool DirectFileReader::isOpen() {
#ifdef OFFBOARD
return inFile.is_open();
#endif
#ifdef ONBOARD
return (inFile == true);
#endif // ONBOARD
}
void DirectFileReader::close() {
#ifdef OFFBOARD
inFile.close();
#endif
#ifdef ONBOARD
inFile.close();
#endif // ONBOARD
}
void DirectFileReader::seek(unsigned long position) {
assert(isOpen());
assert(position <= getSize());
#ifdef OFFBOARD
inFile.seekg(position);
#endif // OFFBOARD
#ifdef ONBOARD
inFile.seek(position);
#endif // ONBOARD
}