src/tests/add-ons/print/ppd/model/StatementListVisitor.h

   1 /*
   2  * Copyright 2008, Haiku.
   3  * Distributed under the terms of the MIT license.
   4  *
   5  * Authors:
   6  *              Michael Pfeiffer <laplace@users.sourceforge.net>
   7  */
   8
   9 #ifndef _STATEMENT_LIST_VISITOR_H
  10 #define _STATEMENT_LIST_VISITOR_H
  11
  12 #include "StatementWrapper.h"
  13 #include "StatementList.h"
  14
  15 class StatementListVisitor {
  16 private:
  17         int32 fLevel;
  18 public:
  19         StatementListVisitor() : fLevel(0) {}
  20         virtual ~StatementListVisitor() {}
  21
  22         virtual void Visit(StatementList* list);
  23
  24         // the nesting level
  25         int32 GetLevel() const { return fLevel; }
  26
  27         virtual void BeginGroup(GroupStatement* group) {};
  28         virtual void DoDefault(Statement* statement) {};
  29         virtual void DoQuery(Statement* statement) {};
  30         virtual void DoValue(Statement* statement) {};
  31         virtual void DoParam(Statement* statement) {};
  32         virtual void EndGroup(GroupStatement* group) {};
  33 };
  34
  35
  36 #endif