Beispiel #1
0
 private void reverseChangeLog() throws InvalidOperationException {
   Deque<Operation> operations = new LinkedList<>(this.changeLog);
   while (!operations.isEmpty()) {
     Operation operation = operations.pop();
     if (!TokenHook.TokenType.Word.equals(operation.tokenType)) {
       Operation inverse = operation.getInverse();
       Collection<Operation> c = new LinkedList<>();
       c.add(inverse);
       this.applyOperations(c, false);
     }
   }
 }
Beispiel #2
0
  protected void applyOperations(Collection<Operation> operations, boolean save)
      throws InvalidOperationException {
    if (this.compiled) {
      throw new IllegalStateException("XMLEditableString already compiled");
    }
    for (Operation operation : operations) {
      int operationEndIndex = operation.startIndex + operation.length;
      operation.originalString =
          this.currentString.substring(operation.startIndex, operationEndIndex);

      int delta = operation.lengthNewString - operation.length;
      if (delta != 0) {
        for (TokenHook hook : this.tokens) {
          int hookLastEditedIndex = hook.startIndex + hook.length - 1;
          if (hook.startIndex >= operationEndIndex) {
            hook.startIndex += delta;
          } else if (hook.startIndex > operation.startIndex) {
            throw new InvalidOperationException(operation, hook);
          } else if (hook.startIndex == operation.startIndex && operation.length > hook.length) {
            throw new InvalidOperationException(operation, hook);
          } else if (hook.startIndex == operation.startIndex && operation.length < hook.length) {
            hook.length += delta;
          } else if (hook.startIndex == operation.startIndex) {
            hook.length = operation.lengthNewString;
          } else if (hookLastEditedIndex >= operationEndIndex) {
            hook.length += delta;
          } else if (hookLastEditedIndex >= operation.startIndex) {
            throw new InvalidOperationException(operation, hook);
          } else if (hookLastEditedIndex < operation.startIndex) {
            // Do nothing
          } else {
            throw new InvalidOperationException(operation, hook, "Unexpected situation");
          }
        }
      }

      if (TokenHook.TokenType.XML.equals(operation.tokenType)) {
        for (TokenHook hook : this.xml) {
          int hookLastEditedIndex = hook.startIndex + hook.length - 1;
          if (hook.startIndex >= operationEndIndex) {
            hook.startIndex += delta;
          } else if (hook.startIndex > operation.startIndex) {
            throw new InvalidOperationException(operation, hook);
          } else if (hook.startIndex == operation.startIndex && operation.length > hook.length) {
            throw new InvalidOperationException(operation, hook);
          } else if (hook.startIndex == operation.startIndex && operation.length < hook.length) {
            hook.length += delta;
          } else if (hook.startIndex == operation.startIndex) {
            hook.length = operation.lengthNewString;
          } else if (hookLastEditedIndex >= operationEndIndex) {
            hook.length += delta;
          } else if (hookLastEditedIndex >= operation.startIndex) {
            throw new InvalidOperationException(operation, hook);
          } else if (hookLastEditedIndex < operation.startIndex) {
            // Do nothing
          } else {
            throw new InvalidOperationException(operation, hook, "Unexpected situation");
          }
        }
      }

      if (!TokenHook.TokenType.Word.equals(operation.tokenType)) {
        this.currentString.replace(operation.startIndex, operationEndIndex, operation.newString);
      }

      if (save) {
        if (operation.tokenType != null) {
          if (TokenHook.TokenType.XML.equals(operation.tokenType)) {
            TokenHook hook =
                new TokenHook(operation.startIndex, operation.lengthNewString, operation.tokenType);
            this.xml.add(hook);
          } else {
            if (this.tokenMask == null) {
              this.tokenMask = new TokenMask(this.currentString.length());
            }

            this.tokenMask.setToken(operation.startIndex, operation.lengthNewString);
          }
        }

        this.changeLog.push(operation);
      }
    }
  }