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GeezerVison is showing github.com — stepcode/src/clstepcore/sdaiApplication_instance.cc at develop · stepcode/stepcode Expand file tree/ Copy pathsdaiApplication_instance.ccMore file actions 970 lines (867 loc) · 33.9 KB / Copy pathsdaiApplication_instance.ccFile metadata and controls970 lines (867 loc) · 33.9 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 /* * NIST STEP Core Class Library * clstepcore/sdaiApplication_instance.cc * July, 1997 * K. C. Morris * David Sauder * Development of this software was funded by the United States Government, * and is not subject to copyright. */ #include <map> #include "clstepcore/sdai.h" #include "clstepcore/instmgr.h" #include "clstepcore/STEPcomplex.h" #include "clstepcore/STEPattribute.h" #include "clstepcore/read_func.h" //for ReadTokenSeparator, used when comments are inside entities #include "clstepcore/sdaiApplication_instance.h" #include "superInvAttrIter.h" SDAI_Application_instance NilSTEPentity; bool isNilSTEPentity( const SDAI_Application_instance * ai ) { if( ai && ai == &NilSTEPentity ) { return true; } return false; } /**************************************************************//** ** \file sdaiApplication_instance.cc Functions for manipulating entities ** ** KNOWN BUGs: the SDAI_Application_instance is not aware of the STEPfile; ** therefore it can not read comments which may be embedded in the instance. ** The following are known problems: ** -- does not handle comments embedded in an instance ==> bombs ** -- ignores embedded entities ==> does not bomb ** -- error reporting does not include line number information */ SDAI_Application_instance::SDAI_Application_instance() : _cur( 0 ), eDesc( NULL ), _complex( false ), STEPfile_id( 0 ), p21Comment( std::string( "" ) ), headMiEntity( 0 ), nextMiEntity( 0 ) { } SDAI_Application_instance::SDAI_Application_instance( int fileid, int complex ) : _cur( 0 ), eDesc( NULL ), _complex( complex ), STEPfile_id( fileid ), p21Comment( std::string( "" ) ), headMiEntity( 0 ), nextMiEntity( 0 ) { } SDAI_Application_instance::~SDAI_Application_instance() { STEPattribute * attr; ResetAttributes(); do { attr = NextAttribute(); if( attr ) { attr->refCount --; if( attr->refCount <= 0 ) { delete attr; } } } while( attr ); if( MultipleInheritance() ) { delete nextMiEntity; } } /// initialize inverse attrs /// eDesc->InitIAttrs() must have been called previously /// call once per instance (*not* once per class) void SDAI_Application_instance::InitIAttrs() { assert( eDesc && "eDesc must be set; please report this bug." ); InverseAItr iai( &( eDesc->InverseAttr() ) ); const Inverse_attribute * ia; iAstruct s; memset( &s, 0, sizeof s ); while( 0 != ( ia = iai.NextInverse_attribute() ) ) { iAMap.insert( iAMap_t::value_type( ia, s ) ); } superInvAttrIter siai( eDesc ); while( !siai.empty() ) { ia = siai.next(); assert( ia && "Null inverse attr!" ); iAMap.insert( iAMap_t::value_type( ia, s ) ); } } SDAI_Application_instance * SDAI_Application_instance::Replicate() { char errStr[BUFSIZ+1]; if( IsComplex() ) { cerr << "STEPcomplex::Replicate() should be called: " << __FILE__ << __LINE__ << "\n" << _POC_ "\n"; snprintf( errStr, sizeof(errStr), "SDAI_Application_instance::Replicate(): %s - entity #%d.\n", "Programming ERROR - STEPcomplex::Replicate() should be called", STEPfile_id ); _error.AppendToDetailMsg( errStr ); _error.AppendToUserMsg( errStr ); _error.GreaterSeverity( SEVERITY_BUG ); return S_ENTITY_NULL; } else { if( !eDesc ) { return S_ENTITY_NULL; } SDAI_Application_instance * seNew = eDesc->CreateEntity(); if( !seNew ) { return S_ENTITY_NULL; } seNew -> CopyAs( this ); return seNew; } } void SDAI_Application_instance::AddP21Comment( const char * s, bool replace ) { if( replace ) { p21Comment.clear(); } if( s ) { p21Comment += s; } } void SDAI_Application_instance::AddP21Comment( const std::string & s, bool replace ) { if( replace ) { p21Comment.clear(); } p21Comment += s; } void SDAI_Application_instance::PrependP21Comment( const std::string & s ) { p21Comment.insert( 0, s ); } void SDAI_Application_instance::STEPwrite_reference( ostream & out ) { out << "#" << STEPfile_id; } const char * SDAI_Application_instance::STEPwrite_reference( std::string & buf ) { char tmp[64]; snprintf( tmp, sizeof(tmp), "#%d", STEPfile_id ); buf = tmp; return const_cast<char *>( buf.c_str() ); } void SDAI_Application_instance::AppendMultInstance( SDAI_Application_instance * se ) { if( nextMiEntity == 0 ) { nextMiEntity = se; } else { SDAI_Application_instance * link = nextMiEntity; SDAI_Application_instance * linkTrailing = 0; while( link ) { linkTrailing = link; link = link->nextMiEntity; } linkTrailing->nextMiEntity = se; } } // BUG implement this -- FIXME function is never used SDAI_Application_instance * SDAI_Application_instance::GetMiEntity( char * entName ) { std::string s1, s2; const EntityDescLinkNode * edln = 0; const EntityDescriptor * ed = eDesc; // compare up the *leftmost* parent path while( ed ) { if( !strcmp( StrToLower( ed->Name(), s1 ), StrToLower( entName, s2 ) ) ) { return this; // return this parent path } edln = ( EntityDescLinkNode * )( ed->Supertypes().GetHead() ); if( edln ) { ed = edln->EntityDesc(); } else { ed = 0; } } // search alternate parent path since didn't find it in this one. if( nextMiEntity ) { return nextMiEntity->GetMiEntity( entName ); } return 0; } /** * Returns a STEPattribute or NULL * \param nm The name to search for. * \param entity If not null, check that the attribute comes from this entity. When MakeDerived is called from generated code, this is used to ensure that the correct attr is marked as derived. Issue #232 */ STEPattribute * SDAI_Application_instance::GetSTEPattribute( const char * nm, const char * entity ) { if( !nm ) { return 0; } STEPattribute * a = 0; ResetAttributes(); // keep going until no more attributes, or attribute is found while( ( a = NextAttribute() ) ) { if( 0 == strcmp( nm, a ->Name() ) && //if entity isn't null, check for a match. NOTE: should we use IsA(), CanBe(), or Name()? ( entity ? ( 0 != a->aDesc->Owner().IsA( entity ) ) : true ) ) { break; } } return a; } STEPattribute * SDAI_Application_instance::MakeRedefined( STEPattribute * redefiningAttr, const char * nm ) { // find the attribute being redefined STEPattribute * a = GetSTEPattribute( nm ); // assign its pointer to the redefining attribute if( a ) { a->RedefiningAttr( redefiningAttr ); } return a; } /** * Returns a STEPattribute or NULL. If found, marks as derived. * \param nm The name to search for. * \param entity If not null, check that the attribute comes from this entity. When called from generated code, this is used to ensure that the correct attr is marked as derived. Issue #232 */ STEPattribute * SDAI_Application_instance::MakeDerived( const char * nm, const char * entity ) { STEPattribute * a = GetSTEPattribute( nm, entity ); if( a ) { a ->Derive(); } return a; } void SDAI_Application_instance::CopyAs( SDAI_Application_instance * other ) { int numAttrs = AttributeCount(); ResetAttributes(); other -> ResetAttributes(); STEPattribute * this_attr = 0; STEPattribute * other_attr = 0; while( ( this_attr = NextAttribute() ) && numAttrs ) { other_attr = other -> NextAttribute(); this_attr -> ShallowCopy( other_attr ); numAttrs--; } } const char * SDAI_Application_instance::EntityName( const char * schnm ) const { if( !eDesc ) { return NULL; } return eDesc->Name( schnm ); } /** * Checks if a given SDAI_Application_instance is the same * type as this one */ const EntityDescriptor * SDAI_Application_instance::IsA( const EntityDescriptor * ed ) const { if( !eDesc ) { return NULL; } return ( eDesc->IsA( ed ) ); } /** * Checks the validity of the current attribute values for the entity */ Severity SDAI_Application_instance::ValidLevel( ErrorDescriptor * error, InstMgrBase * im, int clearError ) { ErrorDescriptor err; if( clearError ) { ClearError(); } int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { if( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) ) error->GreaterSeverity( attributes[i].ValidLevel( attributes[i].asStr().c_str(), &err, im, 0 ) ); } return error->severity(); } /** * clears all attr's errors */ void SDAI_Application_instance::ClearAttrError() { int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { attributes[i].Error().ClearErrorMsg(); } } /** * clears entity's error and optionally all attr's errors */ void SDAI_Application_instance::ClearError( int clearAttrs ) { _error.ClearErrorMsg(); if( clearAttrs ) { ClearAttrError(); } } /**************************************************************//** ** \param out -- stream to write to ** \details ** Side Effects: writes out the SCOPE section for an entity ** Status: stub FIXME *******************************************************************/ void SDAI_Application_instance::beginSTEPwrite( ostream & out ) { out << "begin STEPwrite ... \n" ; out.flush(); int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { if( attributes[i].Type() == ENTITY_TYPE && *( attributes[i].ptr.c ) != S_ENTITY_NULL ) { ( *( attributes[i].ptr.c ) ) -> STEPwrite(); } } } /**************************************************************//** ** \param out -- stream to write to ** \details ** Side Effects: writes out the data associated with an instance ** in STEP format ** Problems: does not print out the SCOPE section of an entity ** *******************************************************************/ void SDAI_Application_instance::STEPwrite( ostream & out, const char * currSch, int writeComments ) { std::string tmp; if( writeComments && !p21Comment.empty() ) { out << p21Comment; } out << "#" << STEPfile_id << "=" << StrToUpper( EntityName( currSch ), tmp ) << "("; int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { if( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) ) { if( i > 0 ) { out << ","; } ( attributes[i] ).STEPwrite( out, currSch ); } } out << ");\n"; } void SDAI_Application_instance::endSTEPwrite( ostream & out ) { out << "end STEPwrite ... \n" ; out.flush(); } void SDAI_Application_instance::WriteValuePairs( ostream & out, const char * currSch, int writeComments, int mixedCase ) { std::string s, tmp, tmp2; if( writeComments && !p21Comment.empty() ) { out << p21Comment; } if( eDesc ) { if( mixedCase ) { out << "#" << STEPfile_id << " " << eDesc->QualifiedName( s ) << endl; } else { out << "#" << STEPfile_id << " " << StrToUpper( eDesc->QualifiedName( s ), tmp ) << endl; } } int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { if( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) ) { if( mixedCase ) { out << "\t" << attributes[i].aDesc->Owner().Name( s.c_str() ) << "." << attributes[i].aDesc->Name() << " "; } else { out << "\t" << StrToUpper( attributes[i].aDesc->Owner().Name( s.c_str() ), tmp ) << "." << StrToUpper( attributes[i].aDesc->Name(), tmp2 ) << " "; } ( attributes[i] ).STEPwrite( out, currSch ); out << endl; } } out << endl; } /****************************************************************** ** Procedure: STEPwrite ** Problems: does not print out the SCOPE section of an entity ******************************************************************/ const char * SDAI_Application_instance::STEPwrite( std::string & buf, const char * currSch ) { buf.clear(); char instanceInfo[BUFSIZ+1]; std::string tmp; snprintf( instanceInfo, sizeof(instanceInfo), "#%d=%s(", STEPfile_id, StrToUpper( EntityName( currSch ), tmp ) ); buf.append( instanceInfo ); int n = attributes.list_length(); for( int i = 0 ; i < n; i++ ) { if( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) ) { if( i > 0 ) { buf.append( "," ); } tmp = attributes[i].asStr( currSch ) ; buf.append( tmp ); } } buf.append( ");" ); return const_cast<char *>( buf.c_str() ); } void SDAI_Application_instance::PrependEntityErrMsg() { char errStr[BUFSIZ+1]; errStr[0] = '\0'; if( _error.severity() == SEVERITY_NULL ) { // if there is not an error already snprintf( errStr, sizeof(errStr), "\nERROR: ENTITY #%d %s\n", GetFileId(), EntityName() ); _error.PrependToDetailMsg( errStr ); } } /**************************************************************//** ** \param c -- character which caused error ** \param i -- index of attribute which caused error ** \param in -- (used in STEPcomplex) input stream for recovery ** Reports the error found, reads until it finds the end of an ** instance. i.e. a close quote followed by a semicolon optionally ** having whitespace between them. ******************************************************************/ void SDAI_Application_instance::STEPread_error( char c, int i, istream & in, const char * schnm ) { (void) in; char errStr[BUFSIZ+1]; errStr[0] = '\0'; if( _error.severity() == SEVERITY_NULL ) { // if there is not an error already snprintf( errStr, sizeof(errStr), "\nERROR: ENTITY #%d %s\n", GetFileId(), EntityName() ); _error.PrependToDetailMsg( errStr ); } if( ( i >= 0 ) && ( i < attributes.list_length() ) ) { // i is an attribute Error().GreaterSeverity( SEVERITY_WARNING ); snprintf( errStr, sizeof(errStr), " invalid data before type \'%s\'\n", attributes[i].TypeName().c_str() ); _error.AppendToDetailMsg( errStr ); } else { Error().GreaterSeverity( SEVERITY_INPUT_ERROR ); _error.AppendToDetailMsg( " No more attributes were expected.\n" ); } std::string tmp; STEPwrite( tmp, schnm ); // STEPwrite writes to a static buffer inside function _error.AppendToDetailMsg( " The invalid instance to this point looks like :\n" ); _error.AppendToDetailMsg( tmp ); _error.AppendToDetailMsg( "\nUnexpected character: " ); _error.AppendToDetailMsg( c ); _error.AppendToDetailMsg( '\n' ); snprintf( errStr, sizeof(errStr), "\nfinished reading #%d\n", STEPfile_id ); _error.AppendToDetailMsg( errStr ); return; } /**************************************************************//** ** \returns Severity, error information ** SEVERITY_NULL - no errors ** SEVERITY_USERMSG - checked as much as possible, could still ** be error - e.g. entity didn't match base entity type. ** SEVERITY_INCOMPLETE - data is missing and required. ** SEVERITY_WARNING - errors, but can recover ** <= SEVERITY_INPUT_ERROR - fatal error, can't recover ** \details reads the values for an entity from an input stream ** in STEP file format starting at the open paren and ** ending with the semi-colon ** Side Effects: gobbles up input stream ** Status: ******************************************************************/ Severity SDAI_Application_instance::STEPread( int id, int idIncr, InstMgrBase * instance_set, istream & in, const char * currSch, bool useTechCor, bool strict ) { STEPfile_id = id; char c = '\0'; char errStr[BUFSIZ+1]; errStr[0] = '\0'; Severity severe; int i = 0; ClearError( 1 ); in >> ws; in >> c; // read the open paren if( c != '(' ) { PrependEntityErrMsg(); _error.AppendToDetailMsg( " Missing initial open paren... Trying to recover.\n" ); in.putback( c ); // assume you can recover by reading 1st attr value } ReadTokenSeparator( in, &p21Comment ); int n = attributes.list_length(); if( n == 0 ) { // no attributes in >> c; // look for the close paren if( c == ')' ) { return _error.severity(); } } for( i = 0 ; i < n; i++ ) { ReadTokenSeparator( in, &p21Comment ); if( attributes[i].aDesc->AttrType() == AttrType_Redefining ) { in >> ws; c = in.peek(); if( !useTechCor ) { // i.e. use pre-technical corrigendum encoding in >> c; // read what should be the '*' in >> ws; if( c == '*' ) { in >> c; // read the delimiter i.e. ',' or ')' } else { severe = SEVERITY_INCOMPLETE; PrependEntityErrMsg(); // adds entity info if necessary // set the severity for this entity _error.GreaterSeverity( severe ); snprintf( errStr, sizeof(errStr), " %s : ", attributes[i].Name() ); _error.AppendToDetailMsg( errStr ); // add attr name _error.AppendToDetailMsg( "Since using pre-technical corrigendum... missing asterisk for redefined attr.\n" ); _error.AppendToUserMsg( "Since using pre-technical corrigendum... missing asterisk for redefined attr. " ); } } else { // using technical corrigendum // should be nothing to do except loop again unless... // if at end need to have read the closing paren. if( c == ')' ) { // assume you are at the end so read last char in >> c; } } // increment counter to read following attr since these attrs // aren't written or read => there won't be a delimiter either } else { attributes[i].STEPread( in, instance_set, idIncr, currSch, strict ); in >> c; // read the , or ) following the attr read severe = attributes[i].Error().severity(); if( severe <= SEVERITY_USERMSG ) { // if there is some type of error PrependEntityErrMsg(); // set the severity for this entity _error.GreaterSeverity( severe ); snprintf( errStr, sizeof(errStr), " %s : ", attributes[i].Name() ); _error.AppendToDetailMsg( errStr ); // add attr name _error.AppendToDetailMsg( attributes[i].Error().DetailMsg() ); // add attr error _error.AppendToUserMsg( attributes[i].Error().UserMsg() ); } } // if technical corrigendum redefined, input is at next attribute value // if pre-technical corrigendum redefined, don't process if( ( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) || !useTechCor ) && !( ( c == ',' ) || ( c == ')' ) ) ) { // input is not a delimiter PrependEntityErrMsg(); _error.AppendToDetailMsg( "Delimiter expected after attribute value.\n" ); if( !useTechCor ) { _error.AppendToDetailMsg( "I.e. since using pre-technical corrigendum, redefined " ); _error.AppendToDetailMsg( "attribute is mapped as an asterisk so needs delimiter.\n" ); } CheckRemainingInput( in, &_error, "ENTITY", ",)" ); if( !in.good() ) { return _error.severity(); } if( _error.severity() <= SEVERITY_INPUT_ERROR ) { return _error.severity(); } } else if( c == ')' ) { while( i < n - 1 ) { i++; // check if following attributes are redefined if( !( attributes[i].aDesc->AttrType() == AttrType_Redefining ) ) { PrependEntityErrMsg(); _error.AppendToDetailMsg( "Missing attribute value[s].\n" ); // recoverable error _error.GreaterSeverity( SEVERITY_WARNING ); return _error.severity(); } i++; } return _error.severity(); } } STEPread_error( c, i, in, currSch ); // code fragment imported from STEPread_error // for some currently unknown reason it was commented out of STEPread_error errStr[0] = '\0'; in.clear(); int foundEnd = 0; std::string tmp; tmp = ""; // Search until a close paren is found followed by (skipping optional // whitespace) a semicolon while( in.good() && !foundEnd ) { while( in.good() && ( c != ')' ) ) { in.get( c ); tmp += c; } if( in.good() && ( c == ')' ) ) { in >> ws; // skip whitespace in.get( c ); tmp += c; if( c == ';' ) { foundEnd = 1; } } } _error.AppendToDetailMsg( tmp.c_str() ); snprintf( errStr, sizeof(errStr), "\nfinished reading #%d\n", STEPfile_id ); _error.AppendToDetailMsg( errStr ); // end of imported code return _error.severity(); } /// read an entity reference and return a pointer to the SDAI_Application_instance SDAI_Application_instance * ReadEntityRef( istream & in, ErrorDescriptor * err, const char * tokenList, InstMgrBase * instances, int addFileId ) { char c; char errStr[BUFSIZ+1]; errStr[0] = '\0'; in >> ws; in >> c; switch( c ) { case '@': err->AppendToDetailMsg( "Use of @ instead of # to identify entity.\n" ); err->GreaterSeverity( SEVERITY_WARNING ); // no break statement here on purpose #if defined(__GNUC__) || defined(__clang__) [[gnu::fallthrough]]; #endif case '#': { int id = -1; in >> id; if( in.fail() ) { // there's been an error in input snprintf( errStr, sizeof(errStr), "Invalid entity reference value.\n" ); err->AppendToDetailMsg( errStr ); err->AppendToUserMsg( errStr ); err->GreaterSeverity( SEVERITY_WARNING ); CheckRemainingInput( in, err, "Entity Reference", tokenList ); return S_ENTITY_NULL; } else { // found an entity id // check to make sure garbage does not follow the id CheckRemainingInput( in, err, "Entity Reference", tokenList ); id += addFileId; if( !instances ) { cerr << "Internal error: " << __FILE__ << __LINE__ << "\n" << _POC_ "\n"; snprintf( errStr, sizeof(errStr), "STEPread_reference(): %s - entity #%d %s.\n", "BUG - cannot read reference without the InstMgr", id, "is unknown" ); err->AppendToDetailMsg( errStr ); err->AppendToUserMsg( errStr ); err->GreaterSeverity( SEVERITY_BUG ); return S_ENTITY_NULL; } // lookup which object has id as its instance id SDAI_Application_instance * inst; /* If there is a ManagerNode it should have a SDAI_Application_instance */ MgrNodeBase * mn = 0; mn = instances->FindFileId( id ); if( mn ) { inst = mn->GetSTEPentity() ; if( inst ) { return ( inst ); } else { cerr << "Internal error: " << __FILE__ << __LINE__ << "\n" << _POC_ "\n"; snprintf( errStr, sizeof(errStr), "STEPread_reference(): %s - entity #%d %s.\n", "BUG - MgrNode::GetSTEPentity returned NULL pointer", id, "is unknown" ); err->AppendToDetailMsg( errStr ); err->AppendToUserMsg( errStr ); err->GreaterSeverity( SEVERITY_BUG ); return S_ENTITY_NULL; } } else { snprintf( errStr, sizeof(errStr), "Reference to non-existent ENTITY #%d.\n", id ); err->AppendToDetailMsg( errStr ); err->AppendToUserMsg( errStr ); err->GreaterSeverity( SEVERITY_WARNING ); return S_ENTITY_NULL; } } } default: { in.putback( c ); // read past garbage up to delim in tokenList // if tokenList is null it will not read anything CheckRemainingInput( in, err, "Entity Reference", tokenList ); return S_ENTITY_NULL; } } } /// read an entity reference and return a pointer to the SDAI_Application_instance SDAI_Application_instance * ReadEntityRef( const char * s, ErrorDescriptor * err, const char * tokenList, InstMgrBase * instances, int addFileId ) { istringstream in( ( char * )s ); return ReadEntityRef( in, err, tokenList, instances, addFileId ); } /// return SEVERITY_NULL if se's entity type matches the supplied entity type Severity EntityValidLevel( SDAI_Application_instance * se, const TypeDescriptor * ed, // entity type that entity se needs // to match. (this must be an // EntityDescriptor) ErrorDescriptor * err ) { char messageBuf [BUFSIZ+1]; messageBuf[0] = '\0'; if( !ed || ( ed->NonRefType() != ENTITY_TYPE ) ) { err->GreaterSeverity( SEVERITY_BUG ); snprintf( messageBuf, sizeof(messageBuf), " BUG: EntityValidLevel() called with %s", "missing or invalid EntityDescriptor\n" ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); cerr << "Internal error: " << __FILE__ << ":" << __LINE__ << "\n" << _POC_ "\n"; return SEVERITY_BUG; } if( !se || ( se == S_ENTITY_NULL ) ) { err->GreaterSeverity( SEVERITY_BUG ); snprintf( messageBuf, sizeof(messageBuf), " BUG: EntityValidLevel() called with null pointer %s\n", "for SDAI_Application_instance argument." ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); cerr << "Internal error: " << __FILE__ << ":" << __LINE__ << "\n" << _POC_ "\n"; return SEVERITY_BUG; } // DAVE: Can an entity be used in an Express TYPE so that this // EntityDescriptor would have type REFERENCE_TYPE -- it looks like NO else if( se->eDesc ) { // is se a descendant of ed? if( se->eDesc->IsA( ed ) ) { return SEVERITY_NULL; } else { if( se->IsComplex() ) { // This way assumes that the complex has all it's parts i.e. the // complete hierarchy so it should be able to find ed's part if // it is an ed. STEPcomplex * sc = ( ( STEPcomplex * )se )->sc; if( sc->EntityExists( ed->Name() ) ) { return SEVERITY_NULL; } } err->GreaterSeverity( SEVERITY_WARNING ); snprintf( messageBuf, sizeof(messageBuf), " Entity #%d exists but is not a %s or descendant.\n", se->STEPfile_id, ed->Name() ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); return SEVERITY_WARNING; } } else { err->GreaterSeverity( SEVERITY_BUG ); snprintf( messageBuf, sizeof(messageBuf), " BUG: EntityValidLevel(): SDAI_Application_instance #%d has a %s", se->STEPfile_id, "missing or invalid EntityDescriptor\n" ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); cerr << "Internal error: " << __FILE__ << __LINE__ << "\n" << _POC_ "\n"; return SEVERITY_BUG; } } /** * return 1 if attrValue has the equivalent of a null value. * DAVE: Is this needed will sscanf return 1 if assignment suppression is used? */ int SetErrOnNull( const char * attrValue, ErrorDescriptor * error ) { char scanBuf[BUFSIZ+1]; scanBuf[0] = '\0'; std::stringstream fmtstr; fmtstr << " %" << BUFSIZ -1 << "s "; //fmtstr contains " %ns " where n is BUFSIZ -1 int numFound = sscanf( ( char * )attrValue , fmtstr.str().c_str() , scanBuf ); if( numFound == EOF ) { error->GreaterSeverity( SEVERITY_INCOMPLETE ); return 1; } return 0; } /** ** return SEVERITY_NULL if attrValue has a valid entity reference ** This function accepts an entity reference in two forms that is with or ** without the # sign: e.g. either #23 or 23 will be read. ** If non-whitespace characters follow the entity reference an error is set. */ Severity EntityValidLevel( const char * attrValue, // string contain entity ref const TypeDescriptor * ed, // entity type that entity in // attrValue (if it exists) needs // to match. (this must be an // EntityDescriptor) ErrorDescriptor * err, InstMgrBase * im, int clearError ) { char tmp [BUFSIZ+1]; tmp[0] = '\0'; char messageBuf [BUFSIZ+1]; messageBuf[0] = '\0'; std::stringstream fmtstr1, fmtstr2; if( clearError ) { err->ClearErrorMsg(); } int fileId; MgrNodeBase * mn = 0; // fmtstr1 contains "#%d %ns" where n is BUFSIZ-1 fmtstr1 << " #%d %" << BUFSIZ - 1 << "s "; // fmtstr2 contains "%d %ns" where n is BUFSIZ-1 fmtstr2 << " %d %" << BUFSIZ - 1 << "s "; // check for both forms: #id or id int found1 = sscanf( ( char * )attrValue, fmtstr1.str().c_str() , &fileId, tmp ); int found2 = sscanf( ( char * )attrValue, fmtstr2.str().c_str() , &fileId, tmp ); if( ( found1 > 0 ) || ( found2 > 0 ) ) { if( ( found1 == 2 ) || ( found2 == 2 ) ) { int ocnt = snprintf( messageBuf, BUFSIZ, " Attribute's Entity Reference %s is %s data \'%s\'.\n", attrValue, "followed by invalid", tmp ); if( ocnt < BUFSIZ ) { fprintf( stderr, "Warning - truncation of Attribute's Entry Reference msg\n" ); } err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); err->GreaterSeverity( SEVERITY_WARNING ); } mn = im->FindFileId( fileId ); if( mn ) { SDAI_Application_instance * se = mn->GetSTEPentity(); return EntityValidLevel( se, ed, err ); } else { snprintf( messageBuf, sizeof(messageBuf), " Attribute's Entity Reference %s does not exist.\n", attrValue ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); err->GreaterSeverity( SEVERITY_WARNING ); return SEVERITY_WARNING; } } // if the attrValue contains no value return if( SetErrOnNull( attrValue, err ) ) { return err->severity(); } snprintf( messageBuf, sizeof(messageBuf), "Invalid attribute entity reference value: '%s'.\n", attrValue ); err->AppendToUserMsg( messageBuf ); err->AppendToDetailMsg( messageBuf ); err->GreaterSeverity( SEVERITY_WARNING ); return SEVERITY_WARNING; } /**************************************************************//** ** Description: used to cycle through the list of attributes ** Side Effects: increments the current position in the attribute list ** Status: untested 7/31/90 ** \Returns reference to an attribute pointer ******************************************************************/ STEPattribute * SDAI_Application_instance::NextAttribute() { int i = AttributeCount(); ++_cur; if( i < _cur ) { return 0; } return &attributes [_cur - 1]; } int SDAI_Application_instance::AttributeCount() { return attributes.list_length(); } const iAstruct SDAI_Application_instance::getInvAttr( const Inverse_attribute * const ia ) const { iAstruct ias; memset( &ias, 0, sizeof ias ); iAMap_t::const_iterator it = iAMap.find( ia ); if( it != iAMap.end() ) { ias = (*it).second; } return ias; } const SDAI_Application_instance::iAMap_t::value_type SDAI_Application_instance::getInvAttr( const char * name ) const { iAMap_t::const_iterator it = iAMap.begin(); for( ; it != iAMap.end(); ++it ) { if( 0 == strcmp( it->first->Name(), name) ) { return *it; } } iAstruct z; memset( &z, 0, sizeof z ); iAMap_t::value_type nil( ( Inverse_attribute * ) NULL, z ); return nil; } void SDAI_Application_instance::setInvAttr( const Inverse_attribute * const ia, const iAstruct ias ) { iAMap_t::iterator it = iAMap.find(ia); if( it != iAMap.end() ) { it->second = ias; } else { iAMap.insert( iAMap_t::value_type( ia, ias ) ); } } |
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