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/*
* $LynxId: HTStream.h,v 1.16 2011/06/11 12:08:40 tom Exp $
*
* The Stream class definition -- libwww
STREAM OBJECT DEFINITION
A Stream object is something which accepts a stream of text.
The creation methods will vary on the type of Stream Object. All creation
methods return a pointer to the stream type below.
As you can see, but the methods used to write to the stream and close it are
pointed to be the object itself.
*/
#ifndef HTSTREAM_H
#define HTSTREAM_H
#ifndef HTUTILS_H
#include <HTUtils.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct _HTStream HTStream;
/*
These are the common methods of all streams. They should be
self-explanatory.
*/
typedef struct _HTStreamClass {
const char *name; /* Just for diagnostics */
void (*_free) (HTStream *me);
void (*_abort) (HTStream *me, HTError e);
void (*put_character) (HTStream *me, int ch);
void (*put_string) (HTStream *me, const char *str);
void (*put_block) (HTStream *me, const char *str, int len);
} HTStreamClass;
#ifndef HTSTREAM_INTERNAL
struct _HTStream {
HTStreamClass *isa;
};
#endif
/*
Generic Error Stream
The Error stream simply signals an error on all output methods.
This can be used to stop a stream as soon as data arrives, for
example from the network.
*/
extern HTStream *HTErrorStream(void);
#ifdef __cplusplus
}
#endif
#endif /* HTSTREAM_H */
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