57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
#include "device.h"
|
|
using namespace std;
|
|
|
|
bool Device::test() { return true; }
|
|
|
|
unsigned char Device::read() { return 0; }
|
|
|
|
void Device::write(unsigned char) {}
|
|
|
|
InputDevice::InputDevice(istream& in) {
|
|
input = ∈
|
|
}
|
|
|
|
unsigned char InputDevice::read() {
|
|
char c;
|
|
if (input->get(c)) {
|
|
return static_cast<unsigned char>(c);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
OutputDevice::OutputDevice(ostream& out) {
|
|
output = &out;
|
|
}
|
|
|
|
void OutputDevice::write(unsigned char c) {
|
|
output->put(static_cast<char>(c));
|
|
output->flush();
|
|
}
|
|
|
|
FileDevice::FileDevice(string& filename) {
|
|
file.open(filename, ios::in | ios::out | ios::binary);
|
|
if (!file.is_open()) {
|
|
// ustvari datoteko
|
|
file.clear();
|
|
file.open(filename, ios::out | ios::binary);
|
|
file.close();
|
|
file.open(filename, ios::in | ios::out | ios::binary);
|
|
}
|
|
}
|
|
|
|
bool FileDevice::test() {
|
|
return file.is_open();
|
|
}
|
|
|
|
unsigned char FileDevice::read() {
|
|
char c;
|
|
if (file.get(c)) {
|
|
return static_cast<unsigned char>(c);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void FileDevice::write(unsigned char c) {
|
|
file.put(static_cast<char>(c));
|
|
file.flush();
|
|
}
|