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Fix previous botched attempt to deal with duplicate field ids. 

Fixes https://gitlab.com/kicad/code/kicad/issues/4821

Fixes https://gitlab.com/kicad/code/kicad/issues/4891
This commit is contained in:
Jeff Young 2020-07-15 13:50:19 +01:00
parent 7d07e6719f
commit 19d0899a80
1 changed files with 24 additions and 35 deletions
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43
eeschema/sch_sexpr_parser.cpp
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@ -2052,6 +2052,7 @@ SCH_COMPONENT* SCH_SEXPR_PARSER::parseSchematicSymbol()
SCH_FIELD* field;
std::unique_ptr<SCH_COMPONENT> symbol( new SCH_COMPONENT() );
TRANSFORM transform;
std::set<int> fieldIDsRead;
m_fieldId = MANDATORY_FIELDS;
@ -2166,24 +2167,17 @@ SCH_COMPONENT* SCH_SEXPR_PARSER::parseSchematicSymbol()
// the field positions are set.
field = parseSchField( symbol.get() );
if( m_requiredVersion <= 20200618 )
{
// It would appear that at some point we allowed duplicate ids to slip
// through when writing files. We know this happens at least for sheets,
// so we add the patch for it here too (even though we don't know for
// sure if it's necessary).
// It would appear that at some point we allowed duplicate ids to slip through
// when writing files. The easiest (and most complete) solution is to disallow
// multiple instances of the same id (for all files since the source of the error
// *might* in fact be hand-edited files).
//
// While no longer used, -1 is still a valid id for user fields and will
// get written out as the next unused number on save.
for( const SCH_FIELD& existing : symbol->GetFields() )
{
if( existing.GetId() == field->GetId() )
{
if( fieldIDsRead.count( field->GetId() ) )
field->SetId( -1 );
break;
}
}
}
else
fieldIDsRead.insert( field->GetId() );
// Set the default symbol reference prefix.
if( field->GetId() == REFERENCE )
@ -2316,6 +2310,7 @@ SCH_SHEET* SCH_SEXPR_PARSER::parseSheet()
SCH_FIELD* field;
std::vector<SCH_FIELD> fields;
std::unique_ptr<SCH_SHEET> sheet( new SCH_SHEET() );
std::set<int> fieldIDsRead;
for( token = NextTok(); token != T_RIGHT; token = NextTok() )
{
@ -2372,23 +2367,17 @@ SCH_SHEET* SCH_SEXPR_PARSER::parseSheet()
field->SetId( SHEETFILENAME );
}
if( m_requiredVersion <= 20200618 )
{
// It would appear the problem persists past 20200310, but this time with
// the earlier ids being re-used for later (user) fields. The easiest (and
// most complete) solution is to disallow multiple instances of the same id.
// It would appear the problem persists past 20200310, but this time with the
// earlier ids being re-used for later (user) fields. The easiest (and most
// complete) solution is to disallow multiple instances of the same id (for all
// files since the source of the error *might* in fact be hand-edited files).
//
// While no longer used, -1 is still a valid id for user fields and will
// get written out as the next unused number on save.
for( const SCH_FIELD& existing : fields )
{
if( existing.GetId() == field->GetId() )
{
if( fieldIDsRead.count( field->GetId() ) )
field->SetId( -1 );
break;
}
}
}
else
fieldIDsRead.insert( field->GetId() );
fields.emplace_back( *field );
delete field;