case-study/refaktor-after/src/no/uio/ifi/refaktor/analyze/analyzers/TextSelectionsGeneratorHelper.java

   1 package no.uio.ifi.refaktor.analyze.analyzers;
   2
   3 import java.util.HashSet;
   4 import java.util.List;
   5 import java.util.Set;
   6
   7 import no.uio.ifi.refaktor.textselection.CompilationUnitTextSelection;
   8
   9 import org.eclipse.jdt.core.ICompilationUnit;
  10 import org.eclipse.jdt.core.dom.Statement;
  11
  12 public class TextSelectionsGeneratorHelper {
  13
  14         public final Set<CompilationUnitTextSelection> textSelections;
  15         private final ICompilationUnit compilationUnit;
  16
  17         private TextSelectionsGeneratorHelper(ICompilationUnit compilationUnit) {
  18                 this.compilationUnit = compilationUnit;
  19                 textSelections = new HashSet<CompilationUnitTextSelection>();
  20         }
  21
  22         static Set<CompilationUnitTextSelection> generateSelectionsFromList(List<Statement> statements, ICompilationUnit compilationUnit) {
  23                 return new TextSelectionsGeneratorHelper(compilationUnit).generateSelectionsFromList(statements);
  24         }
  25
  26         private Set<CompilationUnitTextSelection> generateSelectionsFromList(List<Statement> statements) {
  27                 for (Statement statement: statements)
  28                         generateSelectionsFor(statement);
  29                 return textSelections;
  30         }
  31
  32         private void generateSelectionsFor(Statement statement) {
  33                 Set<CompilationUnitTextSelection> newSelections = new HashSet<CompilationUnitTextSelection>();
  34                 CompilationUnitTextSelection textSelectionFromStatement = createTextSelectionFromStatement(statement);
  35                 textSelectionFromStatement.generated_1113821714625968249(newSelections, this);
  36         }
  37
  38         private CompilationUnitTextSelection createTextSelectionFromStatement(Statement statement) {
  39                 return new CompilationUnitTextSelection(compilationUnit, statement.getStartPosition(), statement.getLength());
  40         }
  41
  42         public static CompilationUnitTextSelection addTwoTextSelections(
  43                         CompilationUnitTextSelection textSelectionOne, CompilationUnitTextSelection textSelectionTwo) {
  44                 int offset = Math.min(textSelectionOne.getOffset(), textSelectionTwo.getOffset());
  45                 int length = Math.max(textSelectionOne.getEnd(), textSelectionTwo.getEnd()) - offset;
  46                 return new CompilationUnitTextSelection(textSelectionOne.getCompilationUnit(), offset, length);
  47         }
  48
  49 }