net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/StringLiteralDQ.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.compiler.ast;
  12
  13 /**
  14  *
  15  * double quoted string literal
  16  */
  17 public class StringLiteralDQ extends StringLiteral {
  18
  19         public StringLiteralDQ(char[] token, int s, int e) {
  20                 super(token, s, e);
  21         }
  22
  23         public StringLiteralDQ(int s, int e) {
  24                 super(s, e);
  25         }
  26
  27         public String toStringExpression() {
  28
  29                 // handle some special char.....
  30                 StringBuffer result = new StringBuffer("\""); //$NON-NLS-1$
  31                 for (int i = 0; i < source.length; i++) {
  32                         switch (source[i]) {
  33                         case '\b':
  34                                 result.append("\\b"); //$NON-NLS-1$
  35                                 break;
  36                         case '\t':
  37                                 result.append("\\t"); //$NON-NLS-1$
  38                                 break;
  39                         case '\n':
  40                                 result.append("\\n"); //$NON-NLS-1$
  41                                 break;
  42                         case '\f':
  43                                 result.append("\\f"); //$NON-NLS-1$
  44                                 break;
  45                         case '\r':
  46                                 result.append("\\r"); //$NON-NLS-1$
  47                                 break;
  48                         case '\"':
  49                                 result.append("\\\""); //$NON-NLS-1$
  50                                 break;
  51                         case '\'':
  52                                 result.append("\\'"); //$NON-NLS-1$
  53                                 break;
  54                         case '\\': // take care not to display the escape as a potential
  55                                                 // real char
  56                                 result.append("\\\\"); //$NON-NLS-1$
  57                                 break;
  58                         default:
  59                                 result.append(source[i]);
  60                         }
  61                 }
  62                 result.append("\""); //$NON-NLS-1$
  63                 return result.toString();
  64         }
  65
  66 }