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/*********************************************************************
Project : GUSI - Grand unified socket interface
File : GUSISIOUX.cp - Interface to Metrowerks SIOUX library
Author : Matthias Neeracher
Language : MPW C/C++
$Log$
Revision 1.1 1998/08/18 14:52:38 jack
Putting Python-specific GUSI modifications under CVS.
*********************************************************************/
#include <GUSIFile_P.h>
#include <ioctl.h>
#include <console.h>
#include <Events.h>
#include <LowMem.h>
/************************ SIOUXSocket members ************************/
/* This declaration lies about the return type */
extern "C" void SIOUXHandleOneEvent(EventRecord *userevent);
GUSIEvtHandler GUSISIOUXEvents[] = {
SIOUXHandleOneEvent, // nullEvent
SIOUXHandleOneEvent, // mouseDown
SIOUXHandleOneEvent, // mouseUp
nil, // keyDown
nil,
nil, // autoKey
SIOUXHandleOneEvent, // updateEvt
SIOUXHandleOneEvent, // diskEvt
SIOUXHandleOneEvent, // activateEvt
nil,
nil,
nil,
nil,
nil,
nil,
SIOUXHandleOneEvent, // osEvt
nil,
nil,
nil,
nil,
nil,
nil,
nil,
nil,
};
/************************ Declaration of SIOUXSocket ************************/
class SIOUXSocket : public Socket {
friend class SIOUXSocketDomain;
SIOUXSocket();
virtual ~SIOUXSocket();
protected:
int initialized;
void DoInitialize(void);
public:
virtual int read(void * buffer, int buflen);
virtual int write(void * buffer, int buflen);
virtual int select(Boolean * canRead, Boolean * canWrite, Boolean * exception);
virtual int ioctl(unsigned int request, void *argp);
virtual int isatty();
};
class SIOUXSocketDomain : public FileSocketDomain {
SIOUXSocket * singleton;
public:
SIOUXSocketDomain() : FileSocketDomain(AF_UNSPEC, true, false), singleton(nil) { }
virtual Boolean Yours(const GUSIFileRef & ref, Request request);
virtual Socket * open(const GUSIFileRef & ref, int oflag);
};
#if GENERATING68K
#pragma segment SIOUX
#endif
/************************ SIOUXSocket members ************************/
void SIOUXSocket::DoInitialize()
{
if ( initialized ) return;
initialized++;
InstallConsole(0);
GUSISetEvents(GUSISIOUXEvents);
}
SIOUXSocket::SIOUXSocket()
{
initialized = 0;
if ( !GUSIConfig.DelayConsole() )
DoInitialize();
}
SIOUXSocket::~SIOUXSocket()
{
RemoveConsole();
}
int SIOUXSocket::ioctl(unsigned int request, void *)
{
if ( !initialized) DoInitialize();
switch (request) {
case FIOINTERACTIVE:
return 0;
default:
return GUSI_error(EOPNOTSUPP);
}
}
int SIOUXSocket::read(void * buffer, int buflen)
{
if ( !initialized) DoInitialize();
fflush(stdout);
return ReadCharsFromConsole((char *) buffer, buflen);
}
int SIOUXSocket::write(void * buffer, int buflen)
{
if ( !initialized) DoInitialize();
return WriteCharsToConsole((char *) buffer, buflen);
}
static Boolean input_pending()
{
QHdrPtr eventQueue = LMGetEventQueue();
EvQElPtr element = (EvQElPtr)eventQueue->qHead;
// now, count the number of pending keyDown events.
while (element != nil) {
if (element->evtQWhat == keyDown || element->evtQWhat == autoKey)
return true;
element = (EvQElPtr)element->qLink;
}
return false;
}
int SIOUXSocket::select(Boolean * canRead, Boolean * canWrite, Boolean * exception)
{
int goodies = 0;
if ( !initialized) DoInitialize();
fflush(stdout);
if (canRead)
if (*canRead = input_pending())
++goodies;
if (canWrite) {
*canWrite = true;
++goodies;
}
if (exception)
*exception = false;
return goodies;
}
int SIOUXSocket::isatty()
{
return 1;
}
/********************* SIOUXSocketDomain members **********************/
#ifdef MSLGUSI
#ifndef SFIOGUSI
extern void GUSISetupMSLSIOUX();
#endif
#endif
extern "C" void GUSIwithSIOUXSockets()
{
static SIOUXSocketDomain SIOUXSockets;
SIOUXSockets.DontStrip();
#ifdef MSLGUSI
#ifndef SFIOGUSI
GUSISetupMSLSIOUX();
#endif
#endif
}
Boolean SIOUXSocketDomain::Yours(const GUSIFileRef & ref, FileSocketDomain::Request request)
{
if (ref.spec || (request != willOpen && request != willStat))
return false;
switch (ref.name[4] | 0x20) {
case 's':
if ((ref.name[5] | 0x20) != 't' || (ref.name[6] | 0x20) != 'd')
return false;
switch (ref.name[7] | 0x20) {
case 'i':
if ((ref.name[8] | 0x20) != 'n' || ref.name[9])
return false;
return true;
case 'o':
if ((ref.name[8] | 0x20) != 'u' || (ref.name[9] | 0x20) != 't' || ref.name[10])
return false;
return true;
case 'e':
if ((ref.name[8] | 0x20) != 'r' || (ref.name[9] | 0x20) != 'r' || ref.name[10])
return false;
return true;
default:
return false;
}
case 'c':
if ( (ref.name[5] | 0x20) != 'o' || (ref.name[6] | 0x20) != 'n'
|| (ref.name[7] | 0x20) != 's' || (ref.name[8] | 0x20) != 'o'
|| (ref.name[9] | 0x20) != 'l' || (ref.name[10] | 0x20) != 'e')
return false;
switch (ref.name[11]) {
case 0:
return true;
default:
return false;
}
default:
return false;
}
}
Socket * SIOUXSocketDomain::open(const GUSIFileRef &, int)
{
if (!singleton)
singleton = new SIOUXSocket();
++*singleton;
return singleton;
}
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