int
main
(
int argc,
char** argv
)
{
JInitCore();
JString fileName;
if (!(JGetChooseSaveFile())->SaveFile("Save file as:", NULL, "junk", &fileName))
{
return 0;
}
ofstream file0(fileName);
file0 << "0123456789";
file0.close(); // force write to disk
fstream file1(fileName, kJTextFile);
cout << "Length of file (10): " << JGetFStreamLength(file1) << endl;
fstream* file2 = JSetFStreamLength(fileName, file1, 20, kJTextFile);
cout << "Old fstream open? (0) " << (file1.rdbuf())->is_open() << endl;
cout << "Length of file (20): " << JGetFStreamLength(*file2) << endl;
fstream* file3 = JSetFStreamLength(fileName, *file2, 5, kJTextFile);
cout << "Old fstream open? (0) " << (file2->rdbuf())->is_open() << endl;
cout << "Length of file (5): " << JGetFStreamLength(*file3) << endl;
file3->close();
ofstream file4(fileName);
file4.close();
file1.open(fileName, kJTextFile);
cout << "default open of ofstream should erase file" << endl;
cout << "Length of file (0): " << JGetFStreamLength(file1) << endl;
file1.close();
remove(fileName);
return 0;
}
void
JReadFile
(
fstream& input,
JString* str
)
{
const JSize charCount = JGetFStreamLength(input) - JTellg(input);
str->Read(input, charCount);
}
