property.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef _PROPERTY_H
- #define _PROPERTY_H
- #include <string.h>
- #include "hxtypes.h"
- #include "hxcom.h"
- #include "ihxpckts.h"
- #include "hxbuffer.h"
- #include "hxmon.h"
- #include "key.h"
- #include "db_misc.h"
- #include "db_dict_abs.h"
- #include "watchlst.h"
- struct IHXPropWatchResponse;
- class PropWatch
- {
- public:
- PropWatch() : m_pResponse(0){}
- ~PropWatch() {}
- IHXPropWatchResponse* m_pResponse;
- };
- class Property
- {
- private:
- Key* _prop_name;
- HXPropType _prop_type;
- // (in bytes) mainly for strings/binary blobs
- INT32 _prop_size;
- BOOL _deleted;
- BOOL _read_only;
- union VALUE
- {
- IHXBuffer* t_buf;
- INT32 t_int;
- INT32* t_iref;
- DB_implem* t_imp;
- } _prop_val;
-
- public:
- WatchList* m_pWatchList;
- LONG32 m_lWatchCount;
- Property();
- Property(Key* n, HXPropType t);
- Property(char* n, HXPropType t);
- virtual ~Property();
- // mutator methods
- virtual HX_RESULT key_str(char* s);
- virtual HX_RESULT type(const HXPropType t);
- virtual HX_RESULT buf_val(IHXBuffer* v, HXPropType t = PT_BUFFER);
- virtual HX_RESULT int_val(const INT32 v);
- virtual HX_RESULT int_ref_val(INT32* v);
- virtual HX_RESULT db_val(DB_implem* v);
- // accessor methods
- virtual const Key* get_key_obj() const;
- virtual const char* get_key_str() const;
- virtual int get_key_str_len() const;
- virtual void get_type(HXPropType* t) const;
- virtual HXPropType get_type() const;
- virtual HX_RESULT get_buf_val(IHXBuffer** v,
- HXPropType t = PT_BUFFER) const;
- virtual const IHXBuffer* get_buf_val(HXPropType t = PT_BUFFER) const;
- virtual HX_RESULT get_int_val(INT32* v) const;
- virtual INT32 get_int_val() const;
- virtual HX_RESULT get_int_ref_val(INT32* v) const;
- virtual INT32 get_int_ref_val() const;
- virtual HX_RESULT get_db_val(DB_implem** v) const;
- virtual const DB_implem* get_db_val() const;
- virtual void set_deleted(DB_implem* ldb, DB_node* d,
- UINT32 h);
- virtual BOOL is_deleted();
- virtual void set_read_only(BOOL read_only);
- virtual BOOL is_read_only();
- virtual void SetStringAccessAsBufferById();
- /*
- * Make these public so that CommonRegistry can use them
- */
- DB_implem* _owner_db;
- DB_node* _owner_node;
- UINT32 _id;
- BOOL _alternate_string_access_ok;
- HX_RESULT m_LastError;
- };
- inline
- Property::Property()
- : _prop_name(0), _prop_type(PT_UNKNOWN), _prop_size(0),
- _deleted(FALSE), _read_only(FALSE), _owner_db(0),
- _owner_node(0), _id(0), _alternate_string_access_ok(0), m_LastError(HXR_OK)
- {
- _prop_val.t_int = 0x0000;
- _prop_val.t_buf = 0;
- m_pWatchList = new WatchList;
- if(!m_pWatchList)
- {
- m_LastError = HXR_OUTOFMEMORY;
- }
- m_lWatchCount = 0;
- }
- inline
- Property::Property(Key* k, HXPropType t)
- : _prop_name(k), _prop_type(t), _prop_size(0),
- _deleted(FALSE), _read_only(FALSE), _owner_db(0),
- _owner_node(0), _id(0), m_LastError(HXR_OK)
- {
- // XXX by default set the integer value to ZERO.
- _prop_val.t_int = 0x0000;
- _prop_val.t_buf = 0;
- m_pWatchList = new WatchList;
- if(!m_pWatchList)
- {
- m_LastError = HXR_OUTOFMEMORY;
- }
- m_lWatchCount = 0;
- }
- inline
- Property::Property(char* n, HXPropType t)
- : _prop_name(new Key(n)), _prop_type(t), _prop_size(0),
- _deleted(FALSE), _read_only(FALSE), _owner_db(0),
- _owner_node(0), _id(0), m_LastError(HXR_OK)
- {
- // XXX by default set the integer value to ZERO.
- _prop_val.t_int = 0x0000;
- _prop_val.t_buf = 0;
- m_pWatchList = new WatchList;
- if(!m_pWatchList)
- {
- m_LastError = HXR_OUTOFMEMORY;
- }
- m_lWatchCount = 0;
- }
- inline
- Property::~Property()
- {
- for (WatchList_iterator wli(m_pWatchList); *wli != 0; ++wli)
- {
- WListElem* wle = *wli;
- PropWatch* pw = (PropWatch *)wle->data;
- delete pw;
- m_pWatchList->removeElem(wle);
- delete wle;
- m_lWatchCount--;
- }
- delete m_pWatchList;
- delete _prop_name;
- switch (_prop_type)
- {
- case PT_COMPOSITE:
- delete _prop_val.t_imp;
- break;
- case PT_STRING:
- if (_prop_val.t_buf)
- _prop_val.t_buf->Release();
- break;
- case PT_BUFFER:
- if (_prop_val.t_buf)
- _prop_val.t_buf->Release();
- break;
- default:
- break;
- }
- }
- inline HX_RESULT
- Property::type(const HXPropType t)
- {
- _prop_type = t;
- return HXR_OK;
- }
- inline HX_RESULT
- Property::int_val(const INT32 v)
- {
- if (_read_only)
- {
- return HXR_FAIL;
- }
- else if (_prop_type != PT_INTEGER)
- {
- _prop_val.t_int = 0;
- return HXR_FAIL;
- }
- else
- {
- _prop_val.t_int = v;
- return HXR_OK;
- }
- }
- inline HX_RESULT
- Property::int_ref_val(INT32* v)
- {
- if (_read_only)
- {
- return HXR_FAIL;
- }
- else if (_prop_type != PT_INTREF)
- {
- _prop_val.t_iref = 0;
- return HXR_FAIL;
- }
- else
- {
- _prop_val.t_iref = v;
- return HXR_OK;
- }
- }
- inline HX_RESULT
- Property::buf_val(IHXBuffer* v, HXPropType t)
- {
- HX_RESULT theErr = HXR_OK;
- if (_read_only)
- {
- return HXR_FAIL;
- }
- else if (_prop_type != t)
- {
- theErr = HXR_FAIL;
- goto cleanup;
- }
-
- if (_prop_val.t_buf)
- {
- _prop_val.t_buf->Release();
- _prop_val.t_buf = 0;
- }
- if (!v)
- {
- theErr = HXR_OK;
- goto cleanup;
- }
- _prop_val.t_buf = v;
- v->AddRef();
- cleanup:
- return theErr;
- }
- inline const Key*
- Property::get_key_obj() const
- {
- return _prop_name;
- }
- inline const char*
- Property::get_key_str() const
- {
- return _prop_name->get_key_str();
- }
- inline int
- Property::get_key_str_len() const
- {
- return _prop_name->size();
- }
- inline void
- Property::get_type(HXPropType* t) const
- {
- *t = _prop_type;
- }
- inline HXPropType
- Property::get_type() const
- {
- return _prop_type;
- }
- inline HX_RESULT
- Property::get_buf_val(IHXBuffer** v, HXPropType t) const
- {
- HX_RESULT theErr = HXR_OK;
- *v = 0;
- if (_prop_type != t)
- {
- theErr = HXR_FAIL;
- goto cleanup;
- }
-
- if (!_prop_val.t_buf)
- {
- theErr = HXR_FAIL;
- goto cleanup;
- }
- _prop_val.t_buf->AddRef();
- *v = _prop_val.t_buf;
- cleanup:
- return theErr;
- }
- inline HX_RESULT
- Property::get_int_val(INT32* v) const
- {
- if (_prop_type != PT_INTEGER)
- {
- *v = 0;
- return HXR_FAIL;
- }
- else
- {
- *v = _prop_val.t_int;
- return HXR_OK;
- }
- }
- inline HX_RESULT
- Property::get_int_ref_val(INT32* v) const
- {
- if (_prop_type != PT_INTREF)
- {
- *v = 0;
- return HXR_FAIL;
- }
- else
- {
- *v = *_prop_val.t_iref;
- return HXR_OK;
- }
- }
- inline HX_RESULT
- Property::get_db_val(DB_implem** v) const
- {
- if (_prop_type != PT_COMPOSITE)
- {
- *v = 0;
- return HXR_FAIL;
- }
- else
- {
- *v = _prop_val.t_imp;
- return HXR_OK;
- }
- }
- inline INT32
- Property::get_int_val() const
- {
- if (_prop_type != PT_INTEGER)
- return 0;
- else
- return _prop_val.t_int;
- }
- inline const IHXBuffer*
- Property::get_buf_val(HXPropType t) const
- {
- if (_prop_type != t)
- return 0;
-
- if (!_prop_val.t_buf)
- return 0;
-
- _prop_val.t_buf->AddRef();
- return _prop_val.t_buf;
- }
- inline INT32
- Property::get_int_ref_val() const
- {
- if (_prop_type != PT_INTREF)
- return 0;
- else
- {
- return *_prop_val.t_iref;
- }
- }
- inline const DB_implem*
- Property::get_db_val() const
- {
- if (_prop_type != PT_COMPOSITE)
- return 0;
- else
- return _prop_val.t_imp;
- }
- inline void
- Property::set_deleted(DB_implem* ldb, DB_node* d, UINT32 h)
- {
- _owner_db = ldb;
- _owner_node = d;
- _id = h;
- _deleted = TRUE;
- }
- inline BOOL
- Property::is_deleted()
- {
- return _deleted;
- }
- inline void
- Property::set_read_only(BOOL read_only)
- {
- _read_only = read_only;
- }
- inline BOOL
- Property::is_read_only()
- {
- return _read_only;
- }
- inline void
- Property::SetStringAccessAsBufferById()
- {
- _alternate_string_access_ok = TRUE;
- }
- #endif // _PROPERTY_H