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;
}
