bool SCH_SHEET::Load( LINE_READER& aLine, wxString& aErrorMsg ) { int fieldNdx, size; SCH_SHEET_PIN* sheetPin; char* ptcar; SetTimeStamp( GetNewTimeStamp() ); // sheets are added to the GetDrawItems() like other schematic components. // however, in order to preserve the hierarchy (through m_Parent pointers), // a duplicate of the sheet is added to m_SubSheet array. // must be a duplicate, references just work for a two-layer structure. // this is accomplished through the Sync() function. if( ((char*)aLine)[0] == '$' ) // line should be "$Sheet" { if( !aLine.ReadLine() ) { aErrorMsg.Printf( wxT( "Read File Error" ) ); return false; } } /* Next line: must be "S xx yy nn mm" with xx, yy = sheet position * ( upper left corner ) et nn,mm = sheet size */ if( ( sscanf( &((char*)aLine)[1], "%d %d %d %d", &m_pos.x, &m_pos.y, &m_size.x, &m_size.y ) != 4 ) || ( ((char*)aLine)[0] != 'S' ) ) { aErrorMsg.Printf( wxT( " ** Eeschema file sheet struct error at line %d, aborted\n" ), aLine.LineNumber() ); aErrorMsg << FROM_UTF8( ((char*)aLine) ); return false; } /* Read fields */ for( ; ; ) /* Analysis of lines "Fn" text. */ { if( !aLine.ReadLine() ) return false; if( ((char*)aLine)[0] == 'U' ) { sscanf( ((char*)aLine) + 1, "%lX", &m_TimeStamp ); if( m_TimeStamp == 0 ) // zero is not unique! SetTimeStamp( GetNewTimeStamp() ); continue; } if( ((char*)aLine)[0] != 'F' ) break; sscanf( ((char*)aLine) + 1, "%d", &fieldNdx ); /* Read the field: * If fieldNdx> = 2: Fn "text" t s posx posy * If F0 "text" for SheetName * F1 and "text" for filename */ ptcar = ((char*)aLine); while( *ptcar && ( *ptcar != '"' ) ) ptcar++; if( *ptcar != '"' ) { aErrorMsg.Printf( wxT( "Eeschema file sheet label F%d at line %d, aborted\n" ), fieldNdx, aLine.LineNumber() ); aErrorMsg << FROM_UTF8( (char*) aLine ); return false; } wxString sheetName; ptcar += ReadDelimitedText( &sheetName, ptcar ); if( *ptcar == 0 ) { aErrorMsg.Printf( wxT( "Eeschema file sheet field F at line %d, aborted\n" ), aLine.LineNumber() ); aErrorMsg << FROM_UTF8( (char*) aLine ); return false; } if( ( fieldNdx == 0 ) || ( fieldNdx == 1 ) ) { if( sscanf( ptcar, "%d", &size ) != 1 ) { aErrorMsg.Printf( wxT( "Eeschema file sheet Label error line %d, aborted\n" ), aLine.LineNumber() ); aErrorMsg << FROM_UTF8( (char*) aLine ); } if( size == 0 ) size = DEFAULT_SIZE_TEXT; if( fieldNdx == 0 ) { m_name = sheetName; m_sheetNameSize = size; } else { SetFileName( sheetName ); m_fileNameSize = size; } } if( fieldNdx > 1 ) { sheetPin = new SCH_SHEET_PIN( this ); if( !sheetPin->Load( aLine, aErrorMsg ) ) { delete sheetPin; sheetPin = NULL; return false; } AddPin( sheetPin ); } } if( strnicmp( "$End", ((char*)aLine), 4 ) != 0 ) { aErrorMsg.Printf( wxT( "**Eeschema file end_sheet struct error at line %d, aborted\n" ), aLine.LineNumber() ); aErrorMsg << FROM_UTF8( ((char*)aLine) ); return false; } return true; }