This is cstream.m in view mode; [Download] [Up]
/* A demonstration of writing and reading GNU Objective C objects to a file. */
#include <gnustep/base/BinaryCStream.h>
#include <gnustep/base/Array.h>
#include <gnustep/base/Dictionary.h>
#include <gnustep/base/NSString.h>
#include <Foundation/NSAutoreleasePool.h>
#include <Foundation/NSValue.h>
int main(int argc, char *argv[])
{
id arp;
long l = 0x6543;
int i = 0x1234;
unsigned u = 2;
short s = 0x987;
char c = 0x12;
char *string = "Testing";
float f = 0.1234F;
double d = 0.987654321;
id cstream;
Class cstream_class;
if (argc > 1)
cstream_class = objc_get_class (argv[1]);
else
cstream_class = [BinaryCStream class];
[NSObject enableDoubleReleaseCheck: YES];
arp = [[NSAutoreleasePool alloc] init];
cstream = [[cstream_class alloc]
initForWritingToFile: @"cstream.dat"];
/* Write an integer to a file */
[cstream encodeWithName: @"some values"
valuesOfCTypes: "liIsc*fd",
&l, &i, &u, &s, &c, &string, &f, &d];
printf ("Wrote %d %d %u %d %d %s %g %.15g\n",
(int)l, i, u, (int)s, (int)c, string, f, d);
[[cstream stream] close];
f = d = 0;
cstream = [cstream_class cStreamReadingFromFile: @"cstream.dat"];
[cstream decodeWithName: NULL
valuesOfCTypes: "liIsc*fd",
&l, &i, &u, &s, &c, &string, &f, &d];
printf ("Read %d %d %u %d %d %s %g %.15g\n",
(int)l, i, u, (int)s, (int)c, string, f, d);
[[cstream stream] close];
/* Do the autorelease. */
[arp release];
exit(0);
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.