public int[] getSelectionStartAndEnd(ICompilationUnit iunit) {
int[] offsets = new int[2];
CompilationUnit parsedUnit = ASTreeManipulationMethods.parseICompilationUnit(iunit);
ASTNode nodeOne = ASTreeManipulationMethods.getASTNodeByIndex(parsedUnit, firstCutNodeIndex);
ASTNode nodeTwo = ASTreeManipulationMethods.getASTNodeByIndex(parsedUnit, lastCutNodeIndex);
offsets[0] = nodeOne.getStartPosition();
offsets[1] = nodeTwo.getStartPosition() + nodeTwo.getLength() - 1;
return offsets;
}
private int getCuttedASTNodeIndexInNodeTwo(ASTNode nodeOne, ASTNode nodeTwo) {
int start = ExtractMethod.getLengthOfCommonnSubnodesFromStart(nodeOne, nodeTwo);
ArrayList<ASTNode> childrenTwo = ASTreeManipulationMethods.getChildNodes(nodeTwo);
ASTNode node;
if (start != 0) node = childrenTwo.get(start - 1);
else node = nodeTwo;
int index = ASTreeManipulationMethods.getASTNodeIndexInCompilationUnit(node);
return index;
}
private int[] getCutASTNodeIndex(ASTNode nodeOne, ASTNode nodeTwo) {
int[] index = new int[2];
ArrayList<ASTNode> childrenOne = ASTreeManipulationMethods.getChildNodes(nodeOne);
ArrayList<ASTNode> childrenTwo = ASTreeManipulationMethods.getChildNodes(nodeTwo);
int childrenOneSize = childrenOne.size();
int childrenTwoSize = childrenTwo.size();
int start = ExtractMethod.getLengthOfCommonnSubnodesFromStart(nodeOne, nodeTwo);
int end =
Math.min(
ExtractMethod.getLengthOfCommonnSubnodesFromEnd(nodeOne, nodeTwo),
childrenTwoSize - start);
ASTNode firstDiffNode = childrenOne.get(start);
ASTNode lastDiffNode = childrenOne.get(childrenOneSize - end - 1);
index[0] = ASTreeManipulationMethods.getASTNodeIndexInCompilationUnit(firstDiffNode);
index[1] = ASTreeManipulationMethods.getASTNodeIndexInCompilationUnit(lastDiffNode);
return index;
}
public int getRefactoringMarkerLine(ICompilationUnit unit) throws Exception {
CompilationUnit tree = ASTreeManipulationMethods.parseICompilationUnit(unit);
ASTNode node = ASTreeManipulationMethods.getASTNodeByIndex(tree, insertPlaceNodeIndex);
int lineNo = tree.getLineNumber(node.getStartPosition());
return lineNo + 1;
}