| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/common/xti.cpp |
| 3 | // Purpose: runtime metadata information (extended class info |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 27/07/03 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) 1997 Julian Smart |
| 9 | // (c) 2003 Stefan Csomor |
| 10 | // Licence: wxWindows licence |
| 11 | ///////////////////////////////////////////////////////////////////////////// |
| 12 | |
| 13 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 14 | #pragma implementation "xti.h" |
| 15 | #endif |
| 16 | |
| 17 | // For compilers that support precompilation, includes "wx.h". |
| 18 | #include "wx/wxprec.h" |
| 19 | |
| 20 | #ifdef __BORLANDC__ |
| 21 | #pragma hdrstop |
| 22 | #endif |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/hash.h" |
| 26 | #include "wx/object.h" |
| 27 | #endif |
| 28 | |
| 29 | #if wxUSE_EXTENDED_RTTI |
| 30 | |
| 31 | #include "wx/xti.h" |
| 32 | #include "wx/xml/xml.h" |
| 33 | #include "wx/tokenzr.h" |
| 34 | #include "wx/list.h" |
| 35 | #include <string.h> |
| 36 | |
| 37 | #include "wx/beforestd.h" |
| 38 | #include <map> |
| 39 | #include <string> |
| 40 | #include <list> |
| 41 | #include "wx/afterstd.h" |
| 42 | |
| 43 | using namespace std ; |
| 44 | |
| 45 | // ---------------------------------------------------------------------------- |
| 46 | // Enum Support |
| 47 | // ---------------------------------------------------------------------------- |
| 48 | |
| 49 | wxEnumData::wxEnumData( wxEnumMemberData* data ) |
| 50 | { |
| 51 | m_members = data ; |
| 52 | for ( m_count = 0; m_members[m_count].m_name ; m_count++) |
| 53 | {} ; |
| 54 | } |
| 55 | |
| 56 | bool wxEnumData::HasEnumMemberValue(const wxChar *name, int *value) const |
| 57 | { |
| 58 | int i; |
| 59 | for (i = 0; m_members[i].m_name ; i++ ) |
| 60 | { |
| 61 | if (!wxStrcmp(name, m_members[i].m_name)) |
| 62 | { |
| 63 | if ( value ) |
| 64 | *value = m_members[i].m_value; |
| 65 | return true ; |
| 66 | } |
| 67 | } |
| 68 | return false ; |
| 69 | } |
| 70 | |
| 71 | int wxEnumData::GetEnumMemberValue(const wxChar *name) const |
| 72 | { |
| 73 | int i; |
| 74 | for (i = 0; m_members[i].m_name ; i++ ) |
| 75 | { |
| 76 | if (!wxStrcmp(name, m_members[i].m_name)) |
| 77 | { |
| 78 | return m_members[i].m_value; |
| 79 | } |
| 80 | } |
| 81 | return 0 ; |
| 82 | } |
| 83 | |
| 84 | const wxChar *wxEnumData::GetEnumMemberName(int value) const |
| 85 | { |
| 86 | int i; |
| 87 | for (i = 0; m_members[i].m_name ; i++) |
| 88 | if (value == m_members[i].m_value) |
| 89 | return m_members[i].m_name; |
| 90 | |
| 91 | return wxT("") ; |
| 92 | } |
| 93 | |
| 94 | int wxEnumData::GetEnumMemberValueByIndex( int idx ) const |
| 95 | { |
| 96 | // we should cache the count in order to avoid out-of-bounds errors |
| 97 | return m_members[idx].m_value ; |
| 98 | } |
| 99 | |
| 100 | const wxChar * wxEnumData::GetEnumMemberNameByIndex( int idx ) const |
| 101 | { |
| 102 | // we should cache the count in order to avoid out-of-bounds errors |
| 103 | return m_members[idx].m_name ; |
| 104 | } |
| 105 | |
| 106 | // ---------------------------------------------------------------------------- |
| 107 | // Type Information |
| 108 | // ---------------------------------------------------------------------------- |
| 109 | // ---------------------------------------------------------------------------- |
| 110 | // value streaming |
| 111 | // ---------------------------------------------------------------------------- |
| 112 | |
| 113 | // streamer specializations |
| 114 | // for all built-in types |
| 115 | |
| 116 | // bool |
| 117 | |
| 118 | template<> void wxStringReadValue(const wxString &s , bool &data ) |
| 119 | { |
| 120 | int intdata ; |
| 121 | wxSscanf(s, _T("%d"), &intdata ) ; |
| 122 | data = (bool)intdata ; |
| 123 | } |
| 124 | |
| 125 | template<> void wxStringWriteValue(wxString &s , const bool &data ) |
| 126 | { |
| 127 | s = wxString::Format(_T("%d"), data ) ; |
| 128 | } |
| 129 | |
| 130 | // char |
| 131 | |
| 132 | template<> void wxStringReadValue(const wxString &s , char &data ) |
| 133 | { |
| 134 | int intdata ; |
| 135 | wxSscanf(s, _T("%d"), &intdata ) ; |
| 136 | data = char(intdata) ; |
| 137 | } |
| 138 | |
| 139 | template<> void wxStringWriteValue(wxString &s , const char &data ) |
| 140 | { |
| 141 | s = wxString::Format(_T("%d"), data ) ; |
| 142 | } |
| 143 | |
| 144 | // unsigned char |
| 145 | |
| 146 | template<> void wxStringReadValue(const wxString &s , unsigned char &data ) |
| 147 | { |
| 148 | int intdata ; |
| 149 | wxSscanf(s, _T("%d"), &intdata ) ; |
| 150 | data = (unsigned char)(intdata) ; |
| 151 | } |
| 152 | |
| 153 | template<> void wxStringWriteValue(wxString &s , const unsigned char &data ) |
| 154 | { |
| 155 | s = wxString::Format(_T("%d"), data ) ; |
| 156 | } |
| 157 | |
| 158 | // int |
| 159 | |
| 160 | template<> void wxStringReadValue(const wxString &s , int &data ) |
| 161 | { |
| 162 | wxSscanf(s, _T("%d"), &data ) ; |
| 163 | } |
| 164 | |
| 165 | template<> void wxStringWriteValue(wxString &s , const int &data ) |
| 166 | { |
| 167 | s = wxString::Format(_T("%d"), data ) ; |
| 168 | } |
| 169 | |
| 170 | // unsigned int |
| 171 | |
| 172 | template<> void wxStringReadValue(const wxString &s , unsigned int &data ) |
| 173 | { |
| 174 | wxSscanf(s, _T("%d"), &data ) ; |
| 175 | } |
| 176 | |
| 177 | template<> void wxStringWriteValue(wxString &s , const unsigned int &data ) |
| 178 | { |
| 179 | s = wxString::Format(_T("%d"), data ) ; |
| 180 | } |
| 181 | |
| 182 | // long |
| 183 | |
| 184 | template<> void wxStringReadValue(const wxString &s , long &data ) |
| 185 | { |
| 186 | wxSscanf(s, _T("%ld"), &data ) ; |
| 187 | } |
| 188 | |
| 189 | template<> void wxStringWriteValue(wxString &s , const long &data ) |
| 190 | { |
| 191 | s = wxString::Format(_T("%ld"), data ) ; |
| 192 | } |
| 193 | |
| 194 | // unsigned long |
| 195 | |
| 196 | template<> void wxStringReadValue(const wxString &s , unsigned long &data ) |
| 197 | { |
| 198 | wxSscanf(s, _T("%ld"), &data ) ; |
| 199 | } |
| 200 | |
| 201 | template<> void wxStringWriteValue(wxString &s , const unsigned long &data ) |
| 202 | { |
| 203 | s = wxString::Format(_T("%ld"), data ) ; |
| 204 | } |
| 205 | |
| 206 | // float |
| 207 | |
| 208 | template<> void wxStringReadValue(const wxString &s , float &data ) |
| 209 | { |
| 210 | wxSscanf(s, _T("%f"), &data ) ; |
| 211 | } |
| 212 | |
| 213 | template<> void wxStringWriteValue(wxString &s , const float &data ) |
| 214 | { |
| 215 | s = wxString::Format(_T("%f"), data ) ; |
| 216 | } |
| 217 | |
| 218 | // double |
| 219 | |
| 220 | template<> void wxStringReadValue(const wxString &s , double &data ) |
| 221 | { |
| 222 | wxSscanf(s, _T("%lf"), &data ) ; |
| 223 | } |
| 224 | |
| 225 | template<> void wxStringWriteValue(wxString &s , const double &data ) |
| 226 | { |
| 227 | s = wxString::Format(_T("%lf"), data ) ; |
| 228 | } |
| 229 | |
| 230 | // wxString |
| 231 | |
| 232 | template<> void wxStringReadValue(const wxString &s , wxString &data ) |
| 233 | { |
| 234 | data = s ; |
| 235 | } |
| 236 | |
| 237 | template<> void wxStringWriteValue(wxString &s , const wxString &data ) |
| 238 | { |
| 239 | s = data ; |
| 240 | } |
| 241 | |
| 242 | // built-ins |
| 243 | // |
| 244 | |
| 245 | wxBuiltInTypeInfo s_typeInfovoid( wxT_VOID , NULL , NULL , typeid(void).name() ) ; |
| 246 | wxBuiltInTypeInfo s_typeInfobool( wxT_BOOL , &wxToStringConverter<bool> , &wxFromStringConverter<bool>, typeid(bool).name()) ; |
| 247 | wxBuiltInTypeInfo s_typeInfochar( wxT_CHAR , &wxToStringConverter<char> , &wxFromStringConverter<char>, typeid(char).name()) ; |
| 248 | wxBuiltInTypeInfo s_typeInfounsignedchar( wxT_UCHAR , &wxToStringConverter< unsigned char > , &wxFromStringConverter<unsigned char>, typeid(unsigned char).name()) ; |
| 249 | wxBuiltInTypeInfo s_typeInfoint( wxT_INT , &wxToStringConverter<int> , &wxFromStringConverter<int>, typeid(int).name()) ; |
| 250 | wxBuiltInTypeInfo s_typeInfounsignedint( wxT_UINT , &wxToStringConverter<unsigned int> , &wxFromStringConverter<unsigned int>, typeid(unsigned int).name()) ; |
| 251 | wxBuiltInTypeInfo s_typeInfolong( wxT_LONG , &wxToStringConverter<long> , &wxFromStringConverter<long>, typeid(long).name()) ; |
| 252 | wxBuiltInTypeInfo s_typeInfounsignedlong( wxT_ULONG , &wxToStringConverter<unsigned long> , &wxFromStringConverter<unsigned long>, typeid(unsigned long).name()) ; |
| 253 | wxBuiltInTypeInfo s_typeInfofloat( wxT_FLOAT , &wxToStringConverter<float> , &wxFromStringConverter<float>, typeid(float).name()) ; |
| 254 | wxBuiltInTypeInfo s_typeInfodouble( wxT_DOUBLE , &wxToStringConverter<double> , &wxFromStringConverter<double>, typeid(double).name()) ; |
| 255 | wxBuiltInTypeInfo s_typeInfowxString( wxT_STRING , &wxToStringConverter<wxString> , &wxFromStringConverter<wxString>, typeid(wxString).name()) ; |
| 256 | |
| 257 | // this are compiler induced specialization which are never used anywhere |
| 258 | |
| 259 | wxILLEGAL_TYPE_SPECIALIZATION( char const * ) |
| 260 | wxILLEGAL_TYPE_SPECIALIZATION( char * ) |
| 261 | wxILLEGAL_TYPE_SPECIALIZATION( unsigned char * ) |
| 262 | wxILLEGAL_TYPE_SPECIALIZATION( int * ) |
| 263 | wxILLEGAL_TYPE_SPECIALIZATION( bool * ) |
| 264 | wxILLEGAL_TYPE_SPECIALIZATION( long * ) |
| 265 | wxILLEGAL_TYPE_SPECIALIZATION( wxString * ) |
| 266 | |
| 267 | wxCOLLECTION_TYPE_INFO( wxString , wxArrayString ) ; |
| 268 | |
| 269 | template<> void wxCollectionToVariantArray( wxArrayString const &theArray, wxxVariantArray &value) |
| 270 | { |
| 271 | wxArrayCollectionToVariantArray( theArray , value ) ; |
| 272 | } |
| 273 | |
| 274 | wxTypeInfoMap *wxTypeInfo::ms_typeTable = NULL ; |
| 275 | |
| 276 | wxTypeInfo *wxTypeInfo::FindType(const wxChar *typeName) |
| 277 | { |
| 278 | wxTypeInfoMap::iterator iter = ms_typeTable->find(typeName) ; |
| 279 | wxASSERT_MSG( iter != ms_typeTable->end() , wxT("lookup for a non-existent type-info") ) ; |
| 280 | return (wxTypeInfo *)iter->second; |
| 281 | } |
| 282 | |
| 283 | #if wxUSE_UNICODE |
| 284 | wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const char *name) : |
| 285 | wxTypeInfo( kind , to , from , name) |
| 286 | { wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;} |
| 287 | #endif |
| 288 | |
| 289 | wxClassTypeInfo::wxClassTypeInfo( wxTypeKind kind , wxClassInfo* classInfo , converterToString_t to , converterFromString_t from , const wxString &name) : |
| 290 | wxTypeInfo( kind , to , from , name) |
| 291 | { wxASSERT_MSG( kind == wxT_OBJECT_PTR || kind == wxT_OBJECT , wxT("Illegal Kind for Enum Type")) ; m_classInfo = classInfo ;} |
| 292 | |
| 293 | wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) : |
| 294 | wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString ) |
| 295 | { m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = -1 ;} |
| 296 | |
| 297 | wxDelegateTypeInfo::wxDelegateTypeInfo( int eventType , int lastEventType , wxClassInfo* eventClass , converterToString_t to , converterFromString_t from ) : |
| 298 | wxTypeInfo ( wxT_DELEGATE , to , from , wxEmptyString ) |
| 299 | { m_eventClass = eventClass ; m_eventType = eventType ; m_lastEventType = lastEventType; } |
| 300 | |
| 301 | void wxTypeInfo::Register() |
| 302 | { |
| 303 | if ( ms_typeTable == NULL ) |
| 304 | ms_typeTable = new wxTypeInfoMap() ; |
| 305 | |
| 306 | if( !m_name.IsEmpty() ) |
| 307 | (*ms_typeTable)[m_name] = this ; |
| 308 | } |
| 309 | |
| 310 | void wxTypeInfo::Unregister() |
| 311 | { |
| 312 | if( !m_name.IsEmpty() ) |
| 313 | ms_typeTable->erase(m_name); |
| 314 | } |
| 315 | |
| 316 | // removing header dependancy on string tokenizer |
| 317 | |
| 318 | void wxSetStringToArray( const wxString &s , wxArrayString &array ) |
| 319 | { |
| 320 | wxStringTokenizer tokenizer(s, wxT("| \t\n"), wxTOKEN_STRTOK); |
| 321 | wxString flag; |
| 322 | array.Clear() ; |
| 323 | while (tokenizer.HasMoreTokens()) |
| 324 | { |
| 325 | array.Add(tokenizer.GetNextToken()) ; |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | // ---------------------------------------------------------------------------- |
| 330 | // wxClassInfo |
| 331 | // ---------------------------------------------------------------------------- |
| 332 | |
| 333 | wxPropertyInfo::~wxPropertyInfo() |
| 334 | { |
| 335 | if ( this == m_itsClass->m_firstProperty ) |
| 336 | { |
| 337 | m_itsClass->m_firstProperty = m_next; |
| 338 | } |
| 339 | else |
| 340 | { |
| 341 | wxPropertyInfo *info = m_itsClass->m_firstProperty; |
| 342 | while (info) |
| 343 | { |
| 344 | if ( info->m_next == this ) |
| 345 | { |
| 346 | info->m_next = m_next; |
| 347 | break; |
| 348 | } |
| 349 | |
| 350 | info = info->m_next; |
| 351 | } |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | wxHandlerInfo::~wxHandlerInfo() |
| 356 | { |
| 357 | if ( this == m_itsClass->m_firstHandler ) |
| 358 | { |
| 359 | m_itsClass->m_firstHandler = m_next; |
| 360 | } |
| 361 | else |
| 362 | { |
| 363 | wxHandlerInfo *info = m_itsClass->m_firstHandler; |
| 364 | while (info) |
| 365 | { |
| 366 | if ( info->m_next == this ) |
| 367 | { |
| 368 | info->m_next = m_next; |
| 369 | break; |
| 370 | } |
| 371 | |
| 372 | info = info->m_next; |
| 373 | } |
| 374 | } |
| 375 | } |
| 376 | |
| 377 | const wxPropertyAccessor *wxClassInfo::FindAccessor(const wxChar *PropertyName) const |
| 378 | { |
| 379 | const wxPropertyInfo* info = FindPropertyInfo( PropertyName ) ; |
| 380 | |
| 381 | if ( info ) |
| 382 | return info->GetAccessor() ; |
| 383 | |
| 384 | return NULL ; |
| 385 | } |
| 386 | |
| 387 | wxPropertyInfo *wxClassInfo::FindPropertyInfoInThisClass (const wxChar *PropertyName) const |
| 388 | { |
| 389 | wxPropertyInfo* info = m_firstProperty ; |
| 390 | |
| 391 | while( info ) |
| 392 | { |
| 393 | if ( wxStrcmp( info->GetName() , PropertyName ) == 0 ) |
| 394 | return info ; |
| 395 | info = info->GetNext() ; |
| 396 | } |
| 397 | |
| 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | const wxPropertyInfo *wxClassInfo::FindPropertyInfo (const wxChar *PropertyName) const |
| 402 | { |
| 403 | const wxPropertyInfo* info = FindPropertyInfoInThisClass( PropertyName ) ; |
| 404 | if ( info ) |
| 405 | return info ; |
| 406 | |
| 407 | const wxClassInfo** parents = GetParents() ; |
| 408 | for ( int i = 0 ; parents[i] ; ++ i ) |
| 409 | { |
| 410 | if ( ( info = parents[i]->FindPropertyInfo( PropertyName ) ) != NULL ) |
| 411 | return info ; |
| 412 | } |
| 413 | |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | wxHandlerInfo *wxClassInfo::FindHandlerInfoInThisClass (const wxChar *PropertyName) const |
| 418 | { |
| 419 | wxHandlerInfo* info = m_firstHandler ; |
| 420 | |
| 421 | while( info ) |
| 422 | { |
| 423 | if ( wxStrcmp( info->GetName() , PropertyName ) == 0 ) |
| 424 | return info ; |
| 425 | info = info->GetNext() ; |
| 426 | } |
| 427 | |
| 428 | return 0; |
| 429 | } |
| 430 | |
| 431 | const wxHandlerInfo *wxClassInfo::FindHandlerInfo (const wxChar *PropertyName) const |
| 432 | { |
| 433 | const wxHandlerInfo* info = FindHandlerInfoInThisClass( PropertyName ) ; |
| 434 | |
| 435 | if ( info ) |
| 436 | return info ; |
| 437 | |
| 438 | const wxClassInfo** parents = GetParents() ; |
| 439 | for ( int i = 0 ; parents[i] ; ++ i ) |
| 440 | { |
| 441 | if ( ( info = parents[i]->FindHandlerInfo( PropertyName ) ) != NULL ) |
| 442 | return info ; |
| 443 | } |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | wxObjectStreamingCallback wxClassInfo::GetStreamingCallback() const |
| 449 | { |
| 450 | if ( m_streamingCallback ) |
| 451 | return m_streamingCallback ; |
| 452 | |
| 453 | wxObjectStreamingCallback retval = NULL ; |
| 454 | const wxClassInfo** parents = GetParents() ; |
| 455 | for ( int i = 0 ; parents[i] && retval == NULL ; ++ i ) |
| 456 | { |
| 457 | retval = parents[i]->GetStreamingCallback() ; |
| 458 | } |
| 459 | return retval ; |
| 460 | } |
| 461 | |
| 462 | bool wxClassInfo::BeforeWriteObject( const wxObject *obj, wxWriter *streamer , wxPersister *persister , wxxVariantArray &metadata) const |
| 463 | { |
| 464 | wxObjectStreamingCallback sb = GetStreamingCallback() ; |
| 465 | if ( sb ) |
| 466 | return (*sb)(obj , streamer , persister , metadata ) ; |
| 467 | |
| 468 | return true ; |
| 469 | } |
| 470 | |
| 471 | void wxClassInfo::SetProperty(wxObject *object, const wxChar *propertyName, const wxxVariant &value) const |
| 472 | { |
| 473 | const wxPropertyAccessor *accessor; |
| 474 | |
| 475 | accessor = FindAccessor(propertyName); |
| 476 | wxASSERT(accessor->HasSetter()); |
| 477 | accessor->SetProperty( object , value ) ; |
| 478 | } |
| 479 | |
| 480 | wxxVariant wxClassInfo::GetProperty(wxObject *object, const wxChar *propertyName) const |
| 481 | { |
| 482 | const wxPropertyAccessor *accessor; |
| 483 | |
| 484 | accessor = FindAccessor(propertyName); |
| 485 | wxASSERT(accessor->HasGetter()); |
| 486 | wxxVariant result ; |
| 487 | accessor->GetProperty(object,result); |
| 488 | return result ; |
| 489 | } |
| 490 | |
| 491 | wxxVariantArray wxClassInfo::GetPropertyCollection(wxObject *object, const wxChar *propertyName) const |
| 492 | { |
| 493 | const wxPropertyAccessor *accessor; |
| 494 | |
| 495 | accessor = FindAccessor(propertyName); |
| 496 | wxASSERT(accessor->HasGetter()); |
| 497 | wxxVariantArray result ; |
| 498 | accessor->GetPropertyCollection(object,result); |
| 499 | return result ; |
| 500 | } |
| 501 | |
| 502 | void wxClassInfo::AddToPropertyCollection(wxObject *object, const wxChar *propertyName , const wxxVariant& value) const |
| 503 | { |
| 504 | const wxPropertyAccessor *accessor; |
| 505 | |
| 506 | accessor = FindAccessor(propertyName); |
| 507 | wxASSERT(accessor->HasAdder()); |
| 508 | accessor->AddToPropertyCollection( object , value ) ; |
| 509 | } |
| 510 | |
| 511 | void wxClassInfo::GetProperties( wxPropertyInfoMap &map ) const |
| 512 | { |
| 513 | const wxPropertyInfo *pi = GetFirstProperty() ; |
| 514 | while( pi ) |
| 515 | { |
| 516 | if ( map.find( pi->GetName() ) == map.end() ) |
| 517 | map[pi->GetName()] = (wxPropertyInfo*) pi ; |
| 518 | |
| 519 | pi = pi->GetNext() ; |
| 520 | } |
| 521 | |
| 522 | const wxClassInfo** parents = GetParents() ; |
| 523 | for ( int i = 0 ; parents[i] ; ++ i ) |
| 524 | { |
| 525 | parents[i]->GetProperties( map ) ; |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | /* |
| 530 | VARIANT TO OBJECT |
| 531 | */ |
| 532 | |
| 533 | wxObject* wxxVariant::GetAsObject() |
| 534 | { |
| 535 | const wxClassTypeInfo *ti = dynamic_cast<const wxClassTypeInfo*>( m_data->GetTypeInfo() ) ; |
| 536 | if ( ti ) |
| 537 | return ti->GetClassInfo()->VariantToInstance(*this) ; |
| 538 | else |
| 539 | return NULL ; |
| 540 | } |
| 541 | |
| 542 | // ---------------------------------------------------------------------------- |
| 543 | // wxDynamicObject support |
| 544 | // ---------------------------------------------------------------------------- |
| 545 | // |
| 546 | // Dynamic Objects are objects that have a real superclass instance and carry their |
| 547 | // own attributes in a hash map. Like this it is possible to create the objects and |
| 548 | // stream them, as if their class information was already available from compiled data |
| 549 | |
| 550 | struct wxDynamicObject::wxDynamicObjectInternal |
| 551 | { |
| 552 | wxDynamicObjectInternal() {} |
| 553 | |
| 554 | #if wxUSE_UNICODE |
| 555 | map<wstring,wxxVariant> m_properties ; |
| 556 | #else |
| 557 | map<string,wxxVariant> m_properties ; |
| 558 | #endif |
| 559 | } ; |
| 560 | |
| 561 | typedef list< wxDynamicObject* > wxDynamicObjectList ; |
| 562 | |
| 563 | struct wxDynamicClassInfo::wxDynamicClassInfoInternal |
| 564 | { |
| 565 | wxDynamicObjectList m_dynamicObjects ; |
| 566 | } ; |
| 567 | |
| 568 | // instantiates this object with an instance of its superclass |
| 569 | wxDynamicObject::wxDynamicObject(wxObject* superClassInstance, const wxDynamicClassInfo *info) |
| 570 | { |
| 571 | m_superClassInstance = superClassInstance ; |
| 572 | m_classInfo = info ; |
| 573 | m_data = new wxDynamicObjectInternal ; |
| 574 | } |
| 575 | |
| 576 | wxDynamicObject::~wxDynamicObject() |
| 577 | { |
| 578 | dynamic_cast<const wxDynamicClassInfo*>(m_classInfo)->m_data->m_dynamicObjects.remove( this ) ; |
| 579 | delete m_data ; |
| 580 | delete m_superClassInstance ; |
| 581 | } |
| 582 | |
| 583 | void wxDynamicObject::SetProperty (const wxChar *propertyName, const wxxVariant &value) |
| 584 | { |
| 585 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Accessing Unknown Property in a Dynamic Object") ) ; |
| 586 | m_data->m_properties[propertyName] = value ; |
| 587 | } |
| 588 | |
| 589 | wxxVariant wxDynamicObject::GetProperty (const wxChar *propertyName) const |
| 590 | { |
| 591 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Accessing Unknown Property in a Dynamic Object") ) ; |
| 592 | return m_data->m_properties[propertyName] ; |
| 593 | } |
| 594 | |
| 595 | void wxDynamicObject::RemoveProperty( const wxChar *propertyName ) |
| 596 | { |
| 597 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(propertyName),wxT("Removing Unknown Property in a Dynamic Object") ) ; |
| 598 | m_data->m_properties.erase( propertyName ) ; |
| 599 | } |
| 600 | |
| 601 | void wxDynamicObject::RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) |
| 602 | { |
| 603 | wxASSERT_MSG(m_classInfo->FindPropertyInfoInThisClass(oldPropertyName),wxT("Renaming Unknown Property in a Dynamic Object") ) ; |
| 604 | wxxVariant value = m_data->m_properties[oldPropertyName] ; |
| 605 | m_data->m_properties.erase( oldPropertyName ) ; |
| 606 | m_data->m_properties[newPropertyName] = value ; |
| 607 | } |
| 608 | |
| 609 | |
| 610 | // ---------------------------------------------------------------------------- |
| 611 | // wxDynamiClassInfo |
| 612 | // ---------------------------------------------------------------------------- |
| 613 | |
| 614 | wxDynamicClassInfo::wxDynamicClassInfo( const wxChar *unitName, const wxChar *className , const wxClassInfo* superClass ) : |
| 615 | wxClassInfo( unitName, className , new const wxClassInfo*[2]) |
| 616 | { |
| 617 | GetParents()[0] = superClass ; |
| 618 | GetParents()[1] = NULL ; |
| 619 | m_data = new wxDynamicClassInfoInternal ; |
| 620 | } |
| 621 | |
| 622 | wxDynamicClassInfo::~wxDynamicClassInfo() |
| 623 | { |
| 624 | delete[] GetParents() ; |
| 625 | delete m_data ; |
| 626 | } |
| 627 | |
| 628 | wxObject *wxDynamicClassInfo::AllocateObject() const |
| 629 | { |
| 630 | wxObject* parent = GetParents()[0]->AllocateObject() ; |
| 631 | wxDynamicObject *obj = new wxDynamicObject( parent , this ) ; |
| 632 | m_data->m_dynamicObjects.push_back( obj ) ; |
| 633 | return obj ; |
| 634 | } |
| 635 | |
| 636 | void wxDynamicClassInfo::Create (wxObject *object, int paramCount, wxxVariant *params) const |
| 637 | { |
| 638 | wxDynamicObject *dynobj = dynamic_cast< wxDynamicObject *>( object ) ; |
| 639 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::Create on an object other than wxDynamicObject") ) ; |
| 640 | GetParents()[0]->Create( dynobj->GetSuperClassInstance() , paramCount , params ) ; |
| 641 | } |
| 642 | |
| 643 | // get number of parameters for constructor |
| 644 | int wxDynamicClassInfo::GetCreateParamCount() const |
| 645 | { |
| 646 | return GetParents()[0]->GetCreateParamCount() ; |
| 647 | } |
| 648 | |
| 649 | // get i-th constructor parameter |
| 650 | const wxChar* wxDynamicClassInfo::GetCreateParamName(int i) const |
| 651 | { |
| 652 | return GetParents()[0]->GetCreateParamName( i ) ; |
| 653 | } |
| 654 | |
| 655 | void wxDynamicClassInfo::SetProperty(wxObject *object, const wxChar *propertyName, const wxxVariant &value) const |
| 656 | { |
| 657 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; |
| 658 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; |
| 659 | if ( FindPropertyInfoInThisClass(propertyName) ) |
| 660 | dynobj->SetProperty( propertyName , value ) ; |
| 661 | else |
| 662 | GetParents()[0]->SetProperty( dynobj->GetSuperClassInstance() , propertyName , value ) ; |
| 663 | } |
| 664 | |
| 665 | wxxVariant wxDynamicClassInfo::GetProperty(wxObject *object, const wxChar *propertyName) const |
| 666 | { |
| 667 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; |
| 668 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; |
| 669 | if ( FindPropertyInfoInThisClass(propertyName) ) |
| 670 | return dynobj->GetProperty( propertyName ) ; |
| 671 | else |
| 672 | return GetParents()[0]->GetProperty( dynobj->GetSuperClassInstance() , propertyName ) ; |
| 673 | } |
| 674 | |
| 675 | void wxDynamicClassInfo::AddProperty( const wxChar *propertyName , const wxTypeInfo* typeInfo ) |
| 676 | { |
| 677 | new wxPropertyInfo( m_firstProperty , this , propertyName , typeInfo->GetTypeName() , new wxGenericPropertyAccessor( propertyName ) , wxxVariant() ) ; |
| 678 | } |
| 679 | |
| 680 | void wxDynamicClassInfo::AddHandler( const wxChar *handlerName , wxObjectEventFunction address , const wxClassInfo* eventClassInfo ) |
| 681 | { |
| 682 | new wxHandlerInfo( m_firstHandler , this , handlerName , address , eventClassInfo ) ; |
| 683 | } |
| 684 | |
| 685 | // removes an existing runtime-property |
| 686 | void wxDynamicClassInfo::RemoveProperty( const wxChar *propertyName ) |
| 687 | { |
| 688 | for ( wxDynamicObjectList::iterator iter = m_data->m_dynamicObjects.begin() ; iter != m_data->m_dynamicObjects.end() ; ++iter ) |
| 689 | (*iter)->RemoveProperty( propertyName ) ; |
| 690 | delete FindPropertyInfoInThisClass(propertyName) ; |
| 691 | } |
| 692 | |
| 693 | // removes an existing runtime-handler |
| 694 | void wxDynamicClassInfo::RemoveHandler( const wxChar *handlerName ) |
| 695 | { |
| 696 | delete FindHandlerInfoInThisClass(handlerName) ; |
| 697 | } |
| 698 | |
| 699 | // renames an existing runtime-property |
| 700 | void wxDynamicClassInfo::RenameProperty( const wxChar *oldPropertyName , const wxChar *newPropertyName ) |
| 701 | { |
| 702 | wxPropertyInfo* pi = FindPropertyInfoInThisClass(oldPropertyName) ; |
| 703 | wxASSERT_MSG( pi ,wxT("not existing property") ) ; |
| 704 | pi->m_name = newPropertyName ; |
| 705 | dynamic_cast<wxGenericPropertyAccessor*>(pi->GetAccessor())->RenameProperty( oldPropertyName , newPropertyName ) ; |
| 706 | for ( wxDynamicObjectList::iterator iter = m_data->m_dynamicObjects.begin() ; iter != m_data->m_dynamicObjects.end() ; ++iter ) |
| 707 | (*iter)->RenameProperty( oldPropertyName , newPropertyName ) ; |
| 708 | } |
| 709 | |
| 710 | // renames an existing runtime-handler |
| 711 | void wxDynamicClassInfo::RenameHandler( const wxChar *oldHandlerName , const wxChar *newHandlerName ) |
| 712 | { |
| 713 | wxASSERT_MSG(FindHandlerInfoInThisClass(oldHandlerName),wxT("not existing handler") ) ; |
| 714 | FindHandlerInfoInThisClass(oldHandlerName)->m_name = newHandlerName ; |
| 715 | } |
| 716 | |
| 717 | // ---------------------------------------------------------------------------- |
| 718 | // wxGenericPropertyAccessor |
| 719 | // ---------------------------------------------------------------------------- |
| 720 | |
| 721 | struct wxGenericPropertyAccessor::wxGenericPropertyAccessorInternal |
| 722 | { |
| 723 | char filler ; |
| 724 | } ; |
| 725 | |
| 726 | wxGenericPropertyAccessor::wxGenericPropertyAccessor( const wxString& propertyName ) |
| 727 | : wxPropertyAccessor( NULL , NULL , NULL , NULL ) |
| 728 | { |
| 729 | m_data = new wxGenericPropertyAccessorInternal ; |
| 730 | m_propertyName = propertyName ; |
| 731 | m_getterName = wxT("Get")+propertyName ; |
| 732 | m_setterName = wxT("Set")+propertyName ; |
| 733 | } |
| 734 | |
| 735 | wxGenericPropertyAccessor::~wxGenericPropertyAccessor() |
| 736 | { |
| 737 | delete m_data ; |
| 738 | } |
| 739 | void wxGenericPropertyAccessor::SetProperty(wxObject *object, const wxxVariant &value) const |
| 740 | { |
| 741 | wxDynamicObject* dynobj = dynamic_cast< wxDynamicObject * >( object ) ; |
| 742 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; |
| 743 | dynobj->SetProperty(m_propertyName , value ) ; |
| 744 | } |
| 745 | |
| 746 | void wxGenericPropertyAccessor::GetProperty(const wxObject *object, wxxVariant& value) const |
| 747 | { |
| 748 | const wxDynamicObject* dynobj = dynamic_cast< const wxDynamicObject * >( object ) ; |
| 749 | wxASSERT_MSG( dynobj , wxT("cannot call wxDynamicClassInfo::SetProperty on an object other than wxDynamicObject") ) ; |
| 750 | value = dynobj->GetProperty( m_propertyName ) ; |
| 751 | } |
| 752 | #endif |