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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 using System; |
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18 using System.Collections; |
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19 using System.Collections.Specialized; |
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20 using System.Text.RegularExpressions; |
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21 using System.IO; |
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22 using System.Text; |
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23 using SymbianUtils; |
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24 using SymbolLib.Engines; |
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25 using SymbolLib.CodeSegDef; |
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26 |
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27 namespace SymbolLib.SearchAndReplace |
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28 { |
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29 public class SymbolicSearchAndReplaceParser : AsyncTextFileReader |
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30 { |
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31 #region Constructors & destructor |
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32 public SymbolicSearchAndReplaceParser( SymbolManager aSymbolManager, string aSourceFile, string aDestinationFile ) |
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33 : this( aSymbolManager, aSourceFile, aDestinationFile, string.Empty ) |
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34 { |
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35 } |
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36 |
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37 public SymbolicSearchAndReplaceParser( SymbolManager aSymbolManager, string aSourceFile, string aDestinationFile, string aPrefix ) |
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38 : base( aSourceFile, new AsyncTextReaderPrefix( aPrefix ), true ) |
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39 { |
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40 iSymbolManager = aSymbolManager; |
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41 iWriter = new StreamWriter( aDestinationFile, false ); |
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42 } |
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43 #endregion |
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44 |
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45 #region API |
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46 public void SearchAndReplace() |
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47 { |
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48 base.AsyncRead(); |
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49 } |
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50 #endregion |
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51 |
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52 #region Properties |
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53 public SymbolManager SymbolManager |
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54 { |
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55 get { return iSymbolManager; } |
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56 } |
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57 #endregion |
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58 |
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59 #region From AsyncTextReaderBase |
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60 protected override void HandleFilteredLine( string aLine ) |
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61 { |
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62 const string KHexChars = "abcdefABCDEF1234567890"; |
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63 |
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64 int startPos = 0; |
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65 StringBuilder line = new StringBuilder(); |
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66 |
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67 CodeSegDefinition def = iSymbolManager.ROFSEngine.DefinitionParser.ParseAndResolveDefinition( aLine ); |
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68 if ( def != null ) |
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69 { |
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70 SymbolManager.LoadDynamicCodeSegment( def, TSynchronicity.ESynchronous ); |
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71 line.Append( aLine ); |
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72 } |
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73 else |
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74 { |
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75 // Look through the line looking for 0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f in runs of 8 characters |
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76 MatchCollection collection = iAddressRegEx.Matches( aLine ); |
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77 if ( collection != null && collection.Count > 0 ) |
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78 { |
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79 foreach ( Match m in collection ) |
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80 { |
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81 // Now get the stack address |
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82 CaptureCollection captures = m.Captures; |
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83 foreach ( Capture capture in captures ) |
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84 { |
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85 string matchText = capture.Value.Trim(); |
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86 |
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87 // Take all the initial text |
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88 int capturePos = capture.Index; |
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89 |
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90 // Check whether it is a discrete word |
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91 bool checkForSymbolMatch = true; |
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92 if ( capturePos > 0 ) |
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93 { |
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94 // Check previous character wasn't a match from our group |
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95 char prevCharacter = aLine[ capturePos - 1 ]; |
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96 checkForSymbolMatch = ( KHexChars.IndexOf( prevCharacter ) < 0 ); |
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97 } |
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98 if ( checkForSymbolMatch && ( capturePos + matchText.Length < aLine.Length ) ) |
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99 { |
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100 // Check next character too |
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101 char nextCharacter = aLine[ capturePos + matchText.Length ]; |
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102 checkForSymbolMatch = ( KHexChars.IndexOf( nextCharacter ) < 0 ); |
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103 } |
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104 |
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105 // Take any preceeding text... |
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106 if ( capturePos > 0 ) |
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107 { |
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108 int length = capturePos - startPos; |
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109 line.Append( aLine.Substring( startPos, length ) ); |
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110 startPos = capturePos; |
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111 } |
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112 |
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113 // Always store the original text |
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114 line.Append( matchText ); |
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115 |
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116 // Decide if we can try to find a symbol... |
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117 if ( checkForSymbolMatch ) |
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118 { |
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119 // And now take the text as a symbol (if we have |
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120 // a match). |
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121 long address = SymbianUtils.NumberBaseUtils.TextToDecimalNumber( matchText, NumberBaseUtils.TNumberBase.EHex ); |
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122 Generics.GenericSymbol symbol = iSymbolManager.EntryByAddress( address ); |
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123 |
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124 if ( symbol != null ) |
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125 { |
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126 line.Append( " [ " + symbol.Symbol + " ]" ); |
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127 } |
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128 else if ( iSymbolManager.AddressInRange( address ) ) |
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129 { |
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130 line.Append( " [ #UNKNOWN# ]" ); |
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131 } |
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132 } |
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133 else |
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134 { |
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135 // Not a match, just take the original match text and move on... |
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136 } |
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137 |
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138 startPos += matchText.Length; |
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139 } |
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140 } |
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141 } |
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142 |
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143 // Remember to add anything that is left at the end... |
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144 string remainder = aLine.Substring( startPos ); |
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145 line.Append( remainder ); |
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146 } |
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147 |
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148 iWriter.WriteLine( line.ToString() ); |
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149 } |
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150 |
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151 protected override void HandleReadCompleted() |
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152 { |
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153 try |
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154 { |
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155 if ( iWriter != null ) |
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156 { |
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157 iWriter.Close(); |
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158 } |
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159 iWriter = null; |
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160 } |
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161 finally |
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162 { |
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163 base.HandleReadCompleted(); |
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164 } |
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165 } |
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166 #endregion |
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167 |
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168 #region From DisposableObject |
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169 protected override void CleanupManagedResources() |
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170 { |
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171 try |
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172 { |
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173 if ( iWriter != null ) |
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174 { |
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175 iWriter.Close(); |
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176 } |
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177 iWriter = null; |
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178 } |
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179 finally |
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180 { |
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181 base.CleanupManagedResources(); |
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182 } |
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183 } |
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184 #endregion |
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185 |
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186 #region Data members |
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187 private readonly SymbolManager iSymbolManager; |
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188 private static Regex iAddressRegEx = new Regex( @"[a-fA-F0-9]{8}", RegexOptions.IgnoreCase ); |
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189 private StreamWriter iWriter; |
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190 #endregion |
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191 } |
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192 } |
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193 |