author | Jussi Ryoma <ext-jussi.s.ryoma@nokia.com> |
Fri, 27 Aug 2010 12:21:46 +0300 | |
changeset 3 | 045ade241ef5 |
parent 0 | 818e61de6cd1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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using System; |
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using System.Text; |
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using System.Collections; |
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|
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namespace SymBuildParsingLib.Token |
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{ |
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public class SymTokenContainer : IEnumerable |
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{ |
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#region Observer interface |
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public delegate void TokenHandler( SymToken aNewToken ); |
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#endregion |
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|
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#region Events |
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public event TokenHandler iTokenHandlers; |
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#endregion |
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#region Constructors & destructor |
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public SymTokenContainer() |
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{ |
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} |
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|
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public SymTokenContainer( SymTokenContainer aCopy ) |
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{ |
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foreach( SymToken t in aCopy ) |
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{ |
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Append( t ); |
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} |
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} |
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#endregion |
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|
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#region API |
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public void Append( SymToken aToken ) |
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{ |
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iTokens.Add( aToken ); |
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// |
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if ( iTokenHandlers != null ) |
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{ |
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iTokenHandlers( aToken ); |
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} |
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} |
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|
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public SymToken PopTail() |
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{ |
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System.Diagnostics.Debug.Assert( Count > 0 ); |
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SymToken ret = PeekTail; |
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iTokens.RemoveAt( iTokens.Count - 1 ); |
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return ret; |
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} |
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|
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public SymToken PopHead() |
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{ |
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System.Diagnostics.Debug.Assert( Count > 0 ); |
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SymToken ret = PeekHead; |
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iTokens.RemoveAt( 0 ); |
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return ret; |
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} |
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public void Reset() |
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{ |
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iTokens.Clear(); |
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} |
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public void Remove( int aIndex ) |
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{ |
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iTokens.RemoveAt( aIndex ); |
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} |
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#endregion |
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#region Query API |
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public bool IsPresent( SymToken aToken ) |
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{ |
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int index = IndexOf( aToken ); |
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return ( index >= 0 && index < Count ); |
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} |
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public int IndexOf( SymToken aToken ) |
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{ |
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int index = iTokens.IndexOf( aToken ); |
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return index; |
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} |
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public int IndexOf( SymToken aToken, int aStartIndex ) |
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{ |
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int index = iTokens.IndexOf( aToken, aStartIndex ); |
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return index; |
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} |
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public int LastIndexOf( SymToken aToken ) |
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{ |
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int index = iTokens.LastIndexOf( aToken ); |
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return index; |
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} |
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public int LastIndexOf( SymToken aToken, int aStartIndex ) |
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112 |
{ |
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113 |
int index = iTokens.LastIndexOf( aToken, aStartIndex ); |
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return index; |
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115 |
} |
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116 |
|
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117 |
public int TokenCount( SymToken aTokenToCount ) |
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118 |
{ |
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119 |
int count = 0; |
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120 |
// |
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121 |
foreach( SymToken t in this ) |
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122 |
{ |
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if ( t.Equals( aTokenToCount ) ) |
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124 |
{ |
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++count; |
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126 |
} |
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127 |
} |
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128 |
// |
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129 |
return count; |
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130 |
} |
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131 |
#endregion |
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132 |
|
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133 |
#region Properties |
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134 |
public SymToken PeekHead |
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135 |
{ |
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136 |
get |
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137 |
{ |
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138 |
// System.Diagnostics.Debug.Assert( Count > 0 ); - bloody visual debugger stuffs this assert up. |
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139 |
SymToken ret = null; |
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140 |
// |
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141 |
if ( Count > 0 ) |
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142 |
{ |
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ret = (SymToken) iTokens[ 0 ]; |
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144 |
} |
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145 |
// |
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146 |
return ret; |
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147 |
} |
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148 |
} |
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149 |
|
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150 |
public SymToken PeekTail |
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151 |
{ |
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152 |
get |
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153 |
{ |
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154 |
// System.Diagnostics.Debug.Assert( Count > 0 ); - bloody visual debugger stuffs this assert up. |
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155 |
SymToken ret = null; |
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156 |
// |
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157 |
if ( Count > 0 ) |
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158 |
{ |
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159 |
ret = (SymToken) iTokens[ iTokens.Count - 1 ]; |
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160 |
} |
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161 |
// |
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162 |
return ret; |
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163 |
} |
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164 |
} |
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165 |
|
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166 |
public int Count |
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167 |
{ |
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168 |
get { return iTokens.Count; } |
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169 |
} |
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170 |
|
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171 |
public string CoalescedTokenValue |
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172 |
{ |
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173 |
get |
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174 |
{ |
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175 |
StringBuilder ret = new StringBuilder(); |
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176 |
// |
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177 |
foreach( SymToken token in this ) |
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178 |
{ |
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179 |
ret.Append( token ); |
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180 |
} |
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181 |
// |
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182 |
return ret.ToString(); |
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183 |
} |
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184 |
} |
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185 |
#endregion |
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186 |
|
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187 |
#region IEnumerable Members |
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188 |
IEnumerator IEnumerable.GetEnumerator() |
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189 |
{ |
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190 |
return new SymTokenContainerEnumerator( this ); |
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191 |
} |
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192 |
#endregion |
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193 |
|
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194 |
#region Indexers |
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195 |
public SymToken this[ int aIndex ] |
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196 |
{ |
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197 |
get |
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198 |
{ |
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199 |
return (SymToken) iTokens[ aIndex ]; |
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200 |
} |
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201 |
} |
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202 |
#endregion |
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|
203 |
|
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204 |
#region Data members |
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205 |
private ArrayList iTokens = new ArrayList( 250 ); |
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206 |
#endregion |
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207 |
} |
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208 |
} |