/*******************************************************************************
 * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v0.5 
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v05.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 ******************************************************************************/
package net.sourceforge.phpdt.internal.formatter.impl;

import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;

/** Represents a split line: contains an operator and all substrings
*/
public class SplitLine implements ITerminalSymbols {
  public int[] operators; // the operator on which the string was split.
  public String[] substrings;
  public int[] startSubstringsIndexes;
  /**
   * SplitLine constructor comment.
   */
  public SplitLine(int[] operators, String[] substrings) {
    this(operators, substrings, null);
  }
  /**
   * SplitLine constructor comment.
   */
  public SplitLine(int[] operators, String[] substrings, int[] startIndexes) {
    super();
    this.operators = operators;
    this.substrings = substrings;
    this.startSubstringsIndexes = startIndexes;
  }
  /**
   * Prints a nice representation of the receiver
   * @return java.lang.String
   */
  public String toString() {
    StringBuffer result = new StringBuffer();
    String operatorString = new String();

    for (int i = 0, max = substrings.length; i < max; i++) {
      int currentOperator = operators[i];
      String currentString = substrings[i];
      boolean placeOperatorAhead =
        currentOperator != TokenNameCOMMA
          && currentOperator != TokenNameSEMICOLON;
      boolean placeOperatorBehind =
        currentOperator == TokenNameCOMMA
          || currentOperator == TokenNameSEMICOLON;

      switch (currentOperator) {
        case TokenNameextends :
          operatorString = "extends"; //$NON-NLS-1$
          break;
          //		case TokenNameimplements:
          //			operatorString="implements"; //$NON-NLS-1$
          //			break;
          //		case TokenNamethrows:
          //			operatorString="throws"; //$NON-NLS-1$
          //			break;
        case TokenNameSEMICOLON : // ;
          operatorString = ";"; //$NON-NLS-1$
          break;
        case TokenNameCOMMA : // ,
          operatorString = ","; //$NON-NLS-1$
          break;
        case TokenNameEQUAL : // =
          operatorString = "="; //$NON-NLS-1$
          break;
        case TokenNameAND_AND : // && (15.22)
          operatorString = "&&"; //$NON-NLS-1$
          break;
        case TokenNameOR_OR : // || (15.23)
          operatorString = "||"; //$NON-NLS-1$
          break;
        case TokenNameQUESTION : // ? (15.24)
          operatorString = "?"; //$NON-NLS-1$
          break;

        case TokenNameCOLON : // : (15.24)
          operatorString = ":"; //$NON-NLS-1$
          break;
        case TokenNameEQUAL_EQUAL : // == (15.20, 15.20.1, 15.20.2, 15.20.3)
          operatorString = "=="; //$NON-NLS-1$
          break;

        case TokenNameNOT_EQUAL : // != (15.20, 15.20.1, 15.20.2, 15.20.3)
          operatorString = "!="; //$NON-NLS-1$
          break;

        case TokenNameLESS : // < (15.19.1)
          operatorString = "<"; //$NON-NLS-1$
          break;

        case TokenNameLESS_EQUAL : // <= (15.19.1)
          operatorString = "<="; //$NON-NLS-1$
          break;

        case TokenNameGREATER : // > (15.19.1)
          operatorString = ">"; //$NON-NLS-1$
          break;

        case TokenNameGREATER_EQUAL : // >= (15.19.1)
          operatorString = ">="; //$NON-NLS-1$
          break;

          //		case TokenNameinstanceof : // instanceof
          //			operatorString="instanceof"; //$NON-NLS-1$
          //			break;
        case TokenNamePLUS : // + (15.17, 15.17.2)
          operatorString = "+"; //$NON-NLS-1$
          break;

        case TokenNameMINUS : // - (15.17.2)
          operatorString = "-"; //$NON-NLS-1$
          break;
        case TokenNameMULTIPLY : // * (15.16.1)
          operatorString = "*"; //$NON-NLS-1$
          break;

        case TokenNameDIVIDE : // / (15.16.2)
          operatorString = "/"; //$NON-NLS-1$
          break;

        case TokenNameREMAINDER : // % (15.16.3)
          operatorString = "%"; //$NON-NLS-1$
          break;
        case TokenNameLEFT_SHIFT : // << (15.18)
          operatorString = "<<"; //$NON-NLS-1$
          break;

        case TokenNameRIGHT_SHIFT : // >> (15.18)
          operatorString = ">>"; //$NON-NLS-1$
          break;

          //		case TokenNameUNSIGNED_RIGHT_SHIFT : // >>> (15.18)
          //			operatorString=">>>"; //$NON-NLS-1$
          //			break;
        case TokenNameAND : // & (15.21, 15.21.1, 15.21.2)
          operatorString = "&"; //$NON-NLS-1$
          break;

        case TokenNameOR : // | (15.21, 15.21.1, 15.21.2)
          operatorString = "|"; //$NON-NLS-1$
          break;

        case TokenNameXOR : // ^ (15.21, 15.21.1, 15.21.2)
          operatorString = "^"; //$NON-NLS-1$
          break;
        case TokenNameMULTIPLY_EQUAL : // *= (15.25.2)
          operatorString = "*="; //$NON-NLS-1$
          break;

        case TokenNameDIVIDE_EQUAL : // /= (15.25.2)
          operatorString = "/="; //$NON-NLS-1$
          break;
        case TokenNameREMAINDER_EQUAL : // %= (15.25.2)
          operatorString = "%="; //$NON-NLS-1$
          break;

        case TokenNamePLUS_EQUAL : // += (15.25.2)
          operatorString = "+="; //$NON-NLS-1$
          break;

        case TokenNameMINUS_EQUAL : // -= (15.25.2)
          operatorString = "-="; //$NON-NLS-1$
          break;

        case TokenNameLEFT_SHIFT_EQUAL : // <<= (15.25.2)
          operatorString = "<<="; //$NON-NLS-1$
          break;

        case TokenNameRIGHT_SHIFT_EQUAL : // >>= (15.25.2)
          operatorString = ">>="; //$NON-NLS-1$
          break;

          //		case TokenNameUNSIGNED_RIGHT_SHIFT_EQUAL : // >>>= (15.25.2)
          //			operatorString=">>>="; //$NON-NLS-1$
          //			break;

        case TokenNameAND_EQUAL : // &= (15.25.2)
          operatorString = "&="; //$NON-NLS-1$
          break;

        case TokenNameXOR_EQUAL : // ^= (15.25.2)
          operatorString = "^="; //$NON-NLS-1$
          break;

        case TokenNameOR_EQUAL : // |= (15.25.2)
          operatorString = "|="; //$NON-NLS-1$
          break;
        case TokenNameDOT_EQUAL : // .=
          operatorString = ".="; //$NON-NLS-1$
          break;
        case TokenNameDOT : // .
          operatorString = "."; //$NON-NLS-1$
          break;

        default :
          operatorString = ""; //$NON-NLS-1$
      }
      if (placeOperatorAhead) {
        result.append(operatorString);
      }
      result.append(currentString);
      if (placeOperatorBehind) {
        result.append(operatorString);
      }
      result.append('\n');
    }
    return ""; //$NON-NLS-1$
  }
}