#ifndef _REGISTRY_H

#define _REGISTRY_H

/*

* NIST STEP Core Class Library

* clstepcore/Registry.h

* April 1997

* K. C. Morris

* David Sauder

* Development of this software was funded by the United States Government,

* and is not subject to copyright.

*/

#include <sc_export.h>

#include <sdai.h>

#include <errordesc.h>

#include <sc_hash.h>

#include <Str.h>

#include <complexSupport.h>

// defined and created in Registry.cc

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiINTEGER;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiREAL;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiNUMBER;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiSTRING;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiBINARY;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiBOOLEAN;

extern SC_CORE_EXPORT const TypeDescriptor * const t_sdaiLOGICAL;

typedef struct Hash_Table * HashTable;

class Registry;

typedef void ( * CF_init )( Registry & ); // pointer to creation initialization

class SC_CORE_EXPORT Registry {

protected:

HashTable primordialSwamp; // dictionary of EntityDescriptors

HashTable active_schemas; // dictionary of Schemas

HashTable active_types; // dictionary of TypeDescriptors

ComplexCollect * col; // struct containing all complex entity info

int entity_cnt,

all_ents_cnt;

HashEntry cur_entity;

HashEntry cur_schema;

HashEntry cur_type;

// used by AddEntity() and RemoveEntity() to deal with renamings of an

// entity done in a USE or REFERENCE clause - see header comments in

// file Registry.inline.cc

void AddClones( const EntityDescriptor & );

void RemoveClones( const EntityDescriptor & );

public:

Registry( CF_init initFunct );

~Registry();

void DeleteContents(); // CAUTION: calls delete on all the descriptors

const EntityDescriptor * FindEntity( const char *, const char * = 0,

int check_case = 0 ) const;

const Schema * FindSchema( const char *, int check_case = 0 ) const;

const TypeDescriptor * FindType( const char *, int check_case = 0 ) const;

void AddEntity( const EntityDescriptor & );

void AddSchema( const Schema & );

void AddType( const TypeDescriptor & );

void RemoveEntity( const char * );

void RemoveSchema( const char * );

void RemoveType( const char * );

int GetEntityCnt();

int GetFullEntCnt() {

return all_ents_cnt;

}

void ResetEntities();

const EntityDescriptor * NextEntity();

void ResetSchemas();

const Schema * NextSchema();

void ResetTypes();

const TypeDescriptor * NextType();

const ComplexCollect * CompCol() {

return col;

}

void SetCompCollect( ComplexCollect * c ) {

col = c;

}

SDAI_Application_instance * ObjCreate( const char * nm, const char * = 0,

int check_case = 0 ) const;

};

#endif /* _REGISTRY_H */