120     : before_(before), after_(after) {  in DeltaSymbol()
121   if (!before_ && !after_) {  in DeltaSymbol()
137     return -before_->Size();  in Size()
139   if (!before_) {  in Size()
143   if (before_->SizeWithoutPadding() == 0) {  in Size()
144     return after_->Padding() - before_->Padding();  in Size()
146   return after_->SizeWithoutPadding() - before_->SizeWithoutPadding();  in Size()
150   int32_t before_flags = before_ ? before_->Flags() : 0;  in Flags()
157     return -before_->Padding();  in Padding()
159   if (!before_) {  in Padding()
163   if (before_->SizeWithoutPadding() == 0) {  in Padding()
164     return after_->Padding() - before_->Padding();  in Padding()
170   return (after_ ? after_ : before_)->FullName();  in FullName()
175   return (after_ ? after_ : before_)->TemplateName();  in TemplateName()
179   return (after_ ? after_ : before_)->Name();  in Name()
187   return (after_ ? after_ : before_)->Section();  in Section()
191   return (after_ ? after_ : before_)->ObjectPath();  in ObjectPath()
195   return (after_ ? after_ : before_)->SourcePath();  in SourcePath()
199   return (after_ ? after_ : before_)->SectionName();  in SectionName()
203   return (after_ ? after_ : before_)->Component();  in Component()
208     return -before_->Pss();  in Pss()
210   if (!before_) {  in Pss()
214   if (before_->SizeWithoutPadding() == 0) {  in Pss()
215     return after_->Pss() - before_->Pss();  in Pss()
217   return after_->PssWithoutPadding() - before_->PssWithoutPadding();  in Pss()
226     return -before_->PaddingPss();  in PaddingPss()
228   if (!before_) {  in PaddingPss()
232   if (before_->SizeWithoutPadding() == 0) {  in PaddingPss()
233     return after_->PaddingPss() - before_->PaddingPss();  in PaddingPss()
239   if (!before_) {  in GetDiffStatus()