Changeset 11 in default for trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src/de/ugoe/cs/swe/bnftools/visitor

Timestamp:

10/22/10 14:53:37 (14 years ago)

Author:

zeiss

Message:

 

File:

• trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src/de/ugoe/cs/swe/bnftools/visitor/EbnfVisitor.java (modified) (3 diffs)

trunk/de.ugoe.cs.swe.bnftools.ebnf.ui/src/de/ugoe/cs/swe/bnftools/visitor/EbnfVisitor.java

@@ -1 +1 @@
 package de.ugoe.cs.swe.bnftools.visitor;
 
-import java.util.Collections;
-
-import org.eclipse.emf.common.util.TreeIterator;
 import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.ecore.util.EcoreUtil;
 
 import com.sun.xml.internal.bind.v2.schemagen.xmlschema.Import;
@@ -28 +24 @@
 
 public abstract class EbnfVisitor {
+        
         protected EObject rootNode = null;
 
@@ -43 +40 @@
 
         public void accept(EObject node) {
-                TreeIterator<Object> it = EcoreUtil.getAllContents(Collections
-                                .singleton(node));
-
-                while (it.hasNext()) {
-                        EObject currentNode = (EObject) it.next();
-                        dispatcher(currentNode);
+                dispatcherBefore(node);
+                acceptInner(node);
+                dispatcherAfter(node);
+        }
+
+        private void acceptInner(EObject node) {
+                for (int i=0; i < node.eContents().size(); i++) {
+                        EObject currentNode = (EObject) node.eContents().get(i);
+                        dispatcherBefore(currentNode);
+                        acceptInner(currentNode);
+                        dispatcherAfter(currentNode);
                 }
         }
-
-        protected void dispatcher(EObject node) {
+        
+        protected void dispatcherBefore(EObject node) {
                 // ugly, but no time to find a prettier solution
                 if (node instanceof EtsiBnf) {
-                        visit((EtsiBnf) node);
+                        visitBefore((EtsiBnf) node);
                 } else if (node instanceof Atom) {
-                        visit((Atom) node);
+                        visitBefore((Atom) node);
                 } else if (node instanceof DefinitionList) {
-                        visit((DefinitionList) node);
+                        visitBefore((DefinitionList) node);
                 } else if (node instanceof ExtRule) {
-                        visit((ExtRule) node);
+                        visitBefore((ExtRule) node);
                 } else if (node instanceof GlobalCombinator) {
-                        visit((GlobalCombinator) node);
+                        visitBefore((GlobalCombinator) node);
                 } else if (node instanceof GroupedSequence) {
-                        visit((GroupedSequence) node);
+                        visitBefore((GroupedSequence) node);
                 } else if (node instanceof HookCombinator) {
-                        visit((HookCombinator) node);
+                        visitBefore((HookCombinator) node);
                 } else if (node instanceof Import) {
-                        visit((Import) node);
+                        visitBefore((Import) node);
                 } else if (node instanceof MergeRule) {
-                        visit((MergeRule) node);
+                        visitBefore((MergeRule) node);
                 } else if (node instanceof OptionalSequence) {
-                        visit((OptionalSequence) node);
+                        visitBefore((OptionalSequence) node);
                 } else if (node instanceof RepeatedSequence) {
-                        visit((RepeatedSequence) node);
+                        visitBefore((RepeatedSequence) node);
                 } else if (node instanceof Rule) {
-                        visit((Rule) node);
+                        visitBefore((Rule) node);
                 } else if (node instanceof RuleCombinator) {
-                        visit((RuleCombinator) node);
+                        visitBefore((RuleCombinator) node);
                 } else if (node instanceof RuleReference) {
-                        visit((RuleReference) node);
+                        visitBefore((RuleReference) node);
                 } else if (node instanceof SectionHeading) {
-                        visit((SectionHeading) node);
+                        visitBefore((SectionHeading) node);
                 } else if (node instanceof SingleDefinition) {
-                        visit((SingleDefinition) node);
+                        visitBefore((SingleDefinition) node);
                 } else if (node instanceof StringRule) {
-                        visit((StringRule) node);
+                        visitBefore((StringRule) node);
                 } else if (node instanceof Term) {
-                        visit((Term) node);
+                        visitBefore((Term) node);
                 }
         }
         
-        protected void visit(EtsiBnf node) {
-        }
-
-        protected void visit(Atom node) {
-        }
-
-        protected void visit(DefinitionList node) {
-        }
-
-        protected void visit(ExtRule node) {
-        }
-
-        protected void visit(GlobalCombinator node) {
-        }
-
-        protected void visit(GroupedSequence node) {
-        }
-
-        protected void visit(HookCombinator node) {
-        }
-
-        protected void visit(Import node) {
-        }
-
-        protected void visit(MergeRule node) {
-        }
-
-        protected void visit(OptionalSequence node) {
-        }
-
-        protected void visit(RepeatedSequence node) {
-        }
-
-        protected void visit(Rule node) {
-        }
-
-        protected void visit(RuleCombinator node) {
-        }
-
-        protected void visit(RuleReference node) {
-        }
-
-        protected void visit(SectionHeading node) {
-        }
-
-        protected void visit(SingleDefinition node) {
-        }
-
-        protected void visit(StringRule node) {
-        }
-
-        protected void visit(Term node) {
-        }
-
+        protected void dispatcherAfter(EObject node) {
+                // ugly, but no time to find a prettier solution
+                if (node instanceof EtsiBnf) {
+                        visitAfter((EtsiBnf) node);
+                } else if (node instanceof Atom) {
+                        visitAfter((Atom) node);
+                } else if (node instanceof DefinitionList) {
+                        visitAfter((DefinitionList) node);
+                } else if (node instanceof ExtRule) {
+                        visitAfter((ExtRule) node);
+                } else if (node instanceof GlobalCombinator) {
+                        visitAfter((GlobalCombinator) node);
+                } else if (node instanceof GroupedSequence) {
+                        visitAfter((GroupedSequence) node);
+                } else if (node instanceof HookCombinator) {
+                        visitAfter((HookCombinator) node);
+                } else if (node instanceof Import) {
+                        visitAfter((Import) node);
+                } else if (node instanceof MergeRule) {
+                        visitAfter((MergeRule) node);
+                } else if (node instanceof OptionalSequence) {
+                        visitAfter((OptionalSequence) node);
+                } else if (node instanceof RepeatedSequence) {
+                        visitAfter((RepeatedSequence) node);
+                } else if (node instanceof Rule) {
+                        visitAfter((Rule) node);
+                } else if (node instanceof RuleCombinator) {
+                        visitAfter((RuleCombinator) node);
+                } else if (node instanceof RuleReference) {
+                        visitAfter((RuleReference) node);
+                } else if (node instanceof SectionHeading) {
+                        visitAfter((SectionHeading) node);
+                } else if (node instanceof SingleDefinition) {
+                        visitAfter((SingleDefinition) node);
+                } else if (node instanceof StringRule) {
+                        visitAfter((StringRule) node);
+                } else if (node instanceof Term) {
+                        visitAfter((Term) node);
+                }
+        }
+
+        protected void visitBefore(EtsiBnf node) {
+        }
+
+        protected void visitAfter(EtsiBnf node) {
+        }
+
+        protected void visitBefore(Atom node) {
+        }
+
+        protected void visitAfter(Atom node) {
+        }
+
+        protected void visitBefore(Term node) {
+        }
+
+        protected void visitAfter(Term node) {
+        }
+
+        protected void visitBefore(DefinitionList node) {
+        }
+
+        protected void visitAfter(DefinitionList node) {
+        }
+
+        protected void visitBefore(ExtRule node) {
+        }
+
+        protected void visitAfter(ExtRule node) {
+        }
+
+        protected void visitBefore(GlobalCombinator node) {
+        }
+
+        protected void visitAfter(GlobalCombinator node) {
+        }
+
+        protected void visitBefore(GroupedSequence node) {
+        }
+
+        protected void visitAfter(GroupedSequence node) {
+        }
+
+        protected void visitBefore(HookCombinator node) {
+        }
+
+        protected void visitAfter(HookCombinator node) {
+        }
+
+        protected void visitBefore(Import node) {
+        }
+
+        protected void visitAfter(Import node) {
+        }
+
+        protected void visitBefore(MergeRule node) {
+        }
+
+        protected void visitAfter(MergeRule node) {
+        }
+
+        protected void visitBefore(OptionalSequence node) {
+        }
+
+        protected void visitAfter(OptionalSequence node) {
+        }
+
+        protected void visitBefore(RepeatedSequence node) {
+        }
+
+        protected void visitAfter(RepeatedSequence node) {
+        }
+
+        protected void visitBefore(Rule node) {
+        }
+
+        protected void visitAfter(Rule node) {
+        }
+
+        protected void visitBefore(RuleCombinator node) {
+        }
+
+        protected void visitAfter(RuleCombinator node) {
+        }
+
+        protected void visitBefore(RuleReference node) {
+        }
+
+        protected void visitAfter(RuleReference node) {
+        }
+
+        protected void visitBefore(SectionHeading node) {
+        }
+
+        protected void visitAfter(SectionHeading node) {
+        }
+
+        protected void visitBefore(SingleDefinition node) {
+        }
+
+        protected void visitAfter(SingleDefinition node) {
+        }
+
+        protected void visitBefore(StringRule node) {
+        }
+
+        protected void visitAfter(StringRule node) {
+        }
+        
 }