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

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v0.5
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v05.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  ******************************************************************************/
  11 package net.sourceforge.phpdt.internal.compiler.ast;
  12
  13 //import net.sourceforge.phpdt.internal.compiler.IAbstractSyntaxTreeVisitor;
  14 //import net.sourceforge.phpdt.internal.compiler.codegen.CodeStream;
  15 //import net.sourceforge.phpdt.internal.compiler.impl.Constant;
  16 //import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  17 //import net.sourceforge.phpdt.internal.compiler.lookup.TypeBinding;
  18
  19 public class StringLiteral {
  20         char[] source;
  21         public int sourceStart, sourceEnd;
  22
  23         public StringLiteral(char[] token, int s, int e) {
  24                 source = token;
  25                 sourceStart = s;
  26                 sourceEnd = e;
  27         }
  28         public StringLiteral(int s, int e) {
  29                 sourceStart = s;
  30                 sourceEnd = e;
  31         }
  32
  33         /**
  34          * source method comment.
  35          */
  36         public char[] source() {
  37                 return source;
  38         }
  39         public String toStringExpression() {
  40
  41                 // handle some special char.....
  42                 StringBuffer result = new StringBuffer("\""); //$NON-NLS-1$
  43                 for (int i = 0; i < source.length; i++) {
  44                         switch (source[i]) {
  45                                 case '\b' :
  46                                         result.append("\\b"); //$NON-NLS-1$
  47                                         break;
  48                                 case '\t' :
  49                                         result.append("\\t"); //$NON-NLS-1$
  50                                         break;
  51                                 case '\n' :
  52                                         result.append("\\n"); //$NON-NLS-1$
  53                                         break;
  54                                 case '\f' :
  55                                         result.append("\\f"); //$NON-NLS-1$
  56                                         break;
  57                                 case '\r' :
  58                                         result.append("\\r"); //$NON-NLS-1$
  59                                         break;
  60                                 case '\"' :
  61                                         result.append("\\\""); //$NON-NLS-1$
  62                                         break;
  63                                 case '\'' :
  64                                         result.append("\\'"); //$NON-NLS-1$
  65                                         break;
  66                                 case '\\' : //take care not to display the escape as a potential real char
  67                                         result.append("\\\\"); //$NON-NLS-1$
  68                                         break;
  69                                 default :
  70                                         result.append(source[i]);
  71                         }
  72                 }
  73                 result.append("\""); //$NON-NLS-1$
  74                 return result.toString();
  75         }
  76
  77         /**
  78          * @deprecated - use field instead
  79         */
  80         public int sourceEnd() {
  81                 return sourceEnd;
  82         }
  83
  84         /**
  85          * @deprecated - use field instead
  86         */
  87         public int sourceStart() {
  88                 return sourceStart;
  89         }
  90 }