/*
 * This file defines the SIP library internal interfaces.
 *
 * Copyright (c) 2007
 * 	Riverbank Computing Limited <info@riverbankcomputing.co.uk>
 * 
 * This file is part of SIP.
 * 
 * This copy of SIP is licensed for use under the terms of the SIP License
 * Agreement.  See the file LICENSE for more details.
 * 
 * SIP is supplied WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 */


#ifndef _SIPINT_H
#define	_SIPINT_H


#ifdef __cplusplus
extern "C" {
#endif

#undef	TRUE
#define	TRUE		1

#undef	FALSE
#define	FALSE		0


/*
 * This defines a single entry in an object map's hash table.
 */
typedef struct
{
	void *key;			/* The C/C++ address. */
	sipWrapper *first;		/* The first object at this address. */
} sipHashEntry;


/*
 * This defines the interface to a hash table class for mapping C/C++ addresses
 * to the corresponding wrapped Python object.
 */
typedef struct
{
	int primeIdx;			/* Index into table sizes. */
	unsigned long size;		/* Size of hash table. */
	unsigned long unused;		/* Nr. unused in hash table. */
	unsigned long stale;		/* Nr. stale in hash table. */
	sipHashEntry *hash_array;	/* Current hash table. */
} sipObjectMap;


extern PyInterpreterState *sipInterpreter;	/* The interpreter. */


extern sipQtAPI *sipQtSupport;		/* The Qt support API. */
extern sipWrapperType *sipQObjectClass;	/* The Python QObject class. */

void *sip_api_convert_rx(sipWrapper *txSelf, const char *sigargs,
			 PyObject *rxObj, const char *slot,
			 const char **memberp);
void *sipGetRx(sipWrapper *txSelf,const char *sigargs,PyObject *rxObj,
	       const char *slot,const char **memberp);
int sip_api_emit_signal(PyObject *self,const char *sig,PyObject *sigargs);
PyObject *sip_api_get_sender();
PyObject *sip_api_connect_rx(PyObject *txObj,const char *sig,
			     PyObject *rxObj,const char *slot, int type);
PyObject *sip_api_disconnect_rx(PyObject *txObj,const char *sig,
				PyObject *rxObj,const char *slot);
sipSignature *sip_api_parse_signature(const char *sig);


/*
 * These are part of the SIP API but are also used within the SIP module.
 */
void *sip_api_malloc(size_t nbytes);
void sip_api_free(void *mem);
void *sip_api_get_cpp_ptr(sipWrapper *w,sipWrapperType *type);
PyObject *sip_api_convert_from_instance(void *cppPtr, sipWrapperType *type,
					PyObject *transferObj);
void sip_api_start_thread(void);
void sip_api_end_thread(void);
PyObject *sip_api_convert_from_void_ptr(void *val);
PyObject *sip_api_convert_from_named_enum(int eval, PyTypeObject *et);
int sip_api_wrapper_check(PyObject *o);
void sip_api_free_connection(sipSlotConnection *conn);
int sip_api_emit_to_slot(sipSlot *slot, PyObject *sigargs);
int sip_api_same_connection(sipSlotConnection *conn, void *tx, const char *sig,
			    PyObject *rxObj, const char *slot);


/*
 * These are not part of the SIP API but are used within the SIP module.
 */
void sipFreeSlotList(sipSlotList *rx);
void sipSaveMethod(sipPyMethod *pm,PyObject *meth);
void *sipGetPending(sipWrapper **op, int *fp);
PyObject *sipWrapSimpleInstance(void *cppPtr, sipWrapperType *type,
		sipWrapper *owner, int initflags);
int sipLambdaSlot(PyObject *slotObj);

void sipOMInit(sipObjectMap *om);
void sipOMFinalise(sipObjectMap *om);
sipWrapper *sipOMFindObject(sipObjectMap *om,void *key,sipWrapperType *type);
void sipOMAddObject(sipObjectMap *om,sipWrapper *val);
int sipOMRemoveObject(sipObjectMap *om,sipWrapper *val);

void sipSetBool(void *ptr,int val);

void *sipGetAddress(sipWrapper *w);
void sipFindSigArgType(const char *name, size_t len, sipSigArg *at, int indir);


#ifdef __cplusplus
}
#endif

#endif