Java SearchMatch.getLength方法代码示例

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
protected final ReplaceEdit createReplaceEdit(SearchMatch searchResult, ICompilationUnit cu) {
  if (searchResult.isImplicit()) { // handle Annotation Element references, see bug 94062
    StringBuffer sb = new StringBuffer(getNewElementName());
    if (JavaCore.INSERT.equals(
        cu.getJavaProject()
            .getOption(
                DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_BEFORE_ASSIGNMENT_OPERATOR,
                true))) sb.append(' ');
    sb.append('=');
    if (JavaCore.INSERT.equals(
        cu.getJavaProject()
            .getOption(
                DefaultCodeFormatterConstants.FORMATTER_INSERT_SPACE_AFTER_ASSIGNMENT_OPERATOR,
                true))) sb.append(' ');
    return new ReplaceEdit(searchResult.getOffset(), 0, sb.toString());
  } else {
    return new ReplaceEdit(
        searchResult.getOffset(), searchResult.getLength(), getNewElementName());
  }
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private void addReferenceUpdates(TextChangeManager manager, IProgressMonitor pm) {
  pm.beginTask("", fReferences.length); // $NON-NLS-1$
  for (int i = 0; i < fReferences.length; i++) {
    ICompilationUnit cu = fReferences[i].getCompilationUnit();
    if (cu == null) continue;

    String name = RefactoringCoreMessages.RenameTypeRefactoring_update_reference;
    SearchMatch[] results = fReferences[i].getSearchResults();

    for (int j = 0; j < results.length; j++) {
      SearchMatch match = results[j];
      ReplaceEdit replaceEdit =
          new ReplaceEdit(match.getOffset(), match.getLength(), getNewElementName());
      TextChangeCompatibility.addTextEdit(
          manager.get(cu), name, replaceEdit, CATEGORY_TYPE_RENAME);
    }
    pm.worked(1);
  }
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private void addAccessorOccurrences(
    IProgressMonitor pm,
    IMethod accessor,
    String editName,
    String newAccessorName,
    RefactoringStatus status)
    throws CoreException {
  Assert.isTrue(accessor.exists());

  IJavaSearchScope scope = RefactoringScopeFactory.create(accessor);
  SearchPattern pattern =
      SearchPattern.createPattern(
          accessor,
          IJavaSearchConstants.ALL_OCCURRENCES,
          SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE);
  SearchResultGroup[] groupedResults =
      RefactoringSearchEngine.search(
          pattern, scope, new MethodOccurenceCollector(accessor.getElementName()), pm, status);

  for (int i = 0; i < groupedResults.length; i++) {
    ICompilationUnit cu = groupedResults[i].getCompilationUnit();
    if (cu == null) continue;
    SearchMatch[] results = groupedResults[i].getSearchResults();
    for (int j = 0; j < results.length; j++) {
      SearchMatch searchResult = results[j];
      TextEdit edit =
          new ReplaceEdit(searchResult.getOffset(), searchResult.getLength(), newAccessorName);
      addTextEdit(fChangeManager.get(cu), editName, edit);
    }
  }
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private static void addShadowsError(
    ICompilationUnit cu, SearchMatch oldMatch, RefactoringStatus result) {
  // Old match not found in new matches -> reference has been shadowed

  // TODO: should not have to filter declarations:
  if (oldMatch instanceof MethodDeclarationMatch || oldMatch instanceof FieldDeclarationMatch)
    return;
  ISourceRange range = new SourceRange(oldMatch.getOffset(), oldMatch.getLength());
  RefactoringStatusContext context = JavaStatusContext.create(cu, range);
  String message =
      Messages.format(
          RefactoringCoreMessages.RenameAnalyzeUtil_shadows, BasicElementLabels.getFileName(cu));
  result.addError(message, context);
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private TextEdit collectMatch(SearchMatch match, IJavaElement element, ICompilationUnit unit, String newName) throws IndexOutOfBoundsException, JavaModelException {
	if (match instanceof MethodReferenceMatch && ((MethodReferenceMatch) match).isSuperInvocation() && match.getAccuracy() == SearchMatch.A_INACCURATE) {
		return null;
	}

	if (!(element instanceof IMethod) || match.isImplicit()) {
		return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
	}

	int start = match.getOffset();
	int length = match.getLength();
	String matchText = unit.getBuffer().getText(start, length);

	//direct match:
	if (newName.equals(matchText)) {
		return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
	}

	// lambda expression
	if (match instanceof MethodDeclarationMatch && match.getElement() instanceof IMethod && ((IMethod) match.getElement()).isLambdaMethod()) {
		// don't touch the lambda
		return null;
	}

	//Not a standard reference -- use scanner to find last identifier token before left parenthesis:
	IScanner scanner = getScanner(unit);
	scanner.setSource(matchText.toCharArray());
	int simpleNameStart = -1;
	int simpleNameEnd = -1;
	try {
		int token = scanner.getNextToken();
		while (token != ITerminalSymbols.TokenNameEOF && token != ITerminalSymbols.TokenNameLPAREN) { // reference in code includes arguments in parentheses
			if (token == ITerminalSymbols.TokenNameIdentifier) {
				simpleNameStart = scanner.getCurrentTokenStartPosition();
				simpleNameEnd = scanner.getCurrentTokenEndPosition();
			}
			token = scanner.getNextToken();
		}
	} catch (InvalidInputException e) {
		//ignore
	}
	if (simpleNameStart != -1) {
		match.setOffset(start + simpleNameStart);
		match.setLength(simpleNameEnd + 1 - simpleNameStart);
	}
	return new ReplaceEdit(match.getOffset(), match.getLength(), newName);
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private TextEdit createTextChange(SearchMatch match) {
  return new ReplaceEdit(match.getOffset(), match.getLength(), getNewElementName());
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
@Override
public void acceptSearchMatch(ICompilationUnit unit, SearchMatch match) throws CoreException {
  if (match instanceof MethodReferenceMatch
      && ((MethodReferenceMatch) match).isSuperInvocation()
      && match.getAccuracy() == SearchMatch.A_INACCURATE) {
    return; // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=156491
  }

  if (match.isImplicit()) { // see bug 94062
    collectMatch(match);
    return;
  }

  int start = match.getOffset();
  int length = match.getLength();
  String matchText = unit.getBuffer().getText(start, length);

  // direct match:
  if (fName.equals(matchText)) {
    collectMatch(match);
    return;
  }

  // lambda expression
  if (match instanceof MethodDeclarationMatch
      && match.getElement() instanceof IMethod
      && ((IMethod) match.getElement()).isLambdaMethod()) {
    // don't touch the lambda
    return;
  }

  // Not a standard reference -- use scanner to find last identifier token before left
  // parenthesis:
  IScanner scanner = getScanner(unit);
  scanner.setSource(matchText.toCharArray());
  int simpleNameStart = -1;
  int simpleNameEnd = -1;
  try {
    int token = scanner.getNextToken();
    while (token != ITerminalSymbols.TokenNameEOF
        && token
            != ITerminalSymbols
                .TokenNameLPAREN) { // reference in code includes arguments in parentheses
      if (token == ITerminalSymbols.TokenNameIdentifier) {
        simpleNameStart = scanner.getCurrentTokenStartPosition();
        simpleNameEnd = scanner.getCurrentTokenEndPosition();
      }
      token = scanner.getNextToken();
    }
  } catch (InvalidInputException e) {
    // ignore
  }
  if (simpleNameStart != -1) {
    match.setOffset(start + simpleNameStart);
    match.setLength(simpleNameEnd + 1 - simpleNameStart);
  }
  collectMatch(match);
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private static IRegion createTextRange(SearchMatch searchResult) {
  return new Region(searchResult.getOffset(), searchResult.getLength());
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
public SearchMatch acceptSearchMatch2(ICompilationUnit unit, SearchMatch match)
    throws CoreException {
  int start = match.getOffset();
  int length = match.getLength();

  // unqualified:
  String matchText = unit.getBuffer().getText(start, length);
  if (fOldName.equals(matchText)) {
    return match;
  }

  // (partially) qualified:
  if (fOldQualifiedName.endsWith(matchText)) {
    // e.g. rename B and p.A.B ends with match A.B
    int simpleNameLenght = fOldName.length();
    match.setOffset(start + length - simpleNameLenght);
    match.setLength(simpleNameLenght);
    return match;
  }

  // Not a standard reference -- use scanner to find last identifier token:
  IScanner scanner = getScanner(unit);
  scanner.setSource(matchText.toCharArray());
  int simpleNameStart = -1;
  int simpleNameEnd = -1;
  try {
    int token = scanner.getNextToken();
    while (token != ITerminalSymbols.TokenNameEOF) {
      if (token == ITerminalSymbols.TokenNameIdentifier) {
        simpleNameStart = scanner.getCurrentTokenStartPosition();
        simpleNameEnd = scanner.getCurrentTokenEndPosition();
      }
      token = scanner.getNextToken();
    }
  } catch (InvalidInputException e) {
    // ignore
  }
  if (simpleNameStart != -1) {
    match.setOffset(start + simpleNameStart);
    match.setLength(simpleNameEnd + 1 - simpleNameStart);
  }
  return match;
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
private TextEdit createTextChange(SearchMatch searchResult) {
  return new ReplaceEdit(
      searchResult.getOffset(), searchResult.getLength(), getNewPackageName());
}
 

import org.eclipse.jdt.core.search.SearchMatch; //导入方法依赖的package包/类
@Override
public void acceptSearchMatch(SearchMatch match) throws CoreException {
  if (filterMatch(match)) return;

  /*
   * Processing is done in collector to reuse the buffer which was
   * already required by the search engine to locate the matches.
   */
  // [start, end[ include qualification.
  IJavaElement element = SearchUtils.getEnclosingJavaElement(match);
  int accuracy = match.getAccuracy();
  int start = match.getOffset();
  int length = match.getLength();
  boolean insideDocComment = match.isInsideDocComment();
  IResource res = match.getResource();
  if (element.getAncestor(IJavaElement.IMPORT_DECLARATION) != null) {
    collectMatch(
        TypeReference.createImportReference(
            element, accuracy, start, length, insideDocComment, res));
  } else {
    ICompilationUnit unit =
        (ICompilationUnit) element.getAncestor(IJavaElement.COMPILATION_UNIT);
    if (unit != null) {
      IBuffer buffer = unit.getBuffer();
      String matchText = buffer.getText(start, length);
      if (fSource.isDefaultPackage()) {
        collectMatch(
            TypeReference.createSimpleReference(
                element, accuracy, start, length, insideDocComment, res, matchText));
      } else {
        // assert: matchText doesn't start nor end with comment
        int simpleNameStart = getLastSimpleNameStart(matchText);
        if (simpleNameStart != 0) {
          collectMatch(
              TypeReference.createQualifiedReference(
                  element,
                  accuracy,
                  start,
                  length,
                  insideDocComment,
                  res,
                  start + simpleNameStart));
        } else {
          collectMatch(
              TypeReference.createSimpleReference(
                  element, accuracy, start, length, insideDocComment, res, matchText));
        }
      }
    }
  }
}