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1 | office | 1 | /* |
2 | * FconfigureCmd.java -- |
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3 | * |
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4 | * Copyright (c) 2001 Bruce A. Johnson |
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5 | * Copyright (c) 1997 Sun Microsystems, Inc. |
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6 | * |
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7 | * See the file "license.terms" for information on usage and |
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8 | * redistribution of this file, and for a DISCLAIMER OF ALL |
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9 | * WARRANTIES. |
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10 | * |
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11 | * Included in SQLite3 port to C# for use in testharness only; 2008 Noah B Hart |
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12 | * |
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13 | * RCS @(#) $Id: FconfigureCmd.java,v 1.11 2003/03/08 03:42:43 mdejong Exp $ |
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14 | * |
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15 | */ |
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16 | using System; |
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17 | using System.Text; |
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18 | |||
19 | namespace tcl.lang |
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20 | { |
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21 | |||
22 | /// <summary> This class implements the built-in "fconfigure" command in Tcl.</summary> |
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23 | |||
24 | class FconfigureCmd : Command |
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25 | { |
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26 | |||
27 | private static readonly string[] validCmds = new string[] { "-blocking", "-buffering", "-buffersize", "-encoding", "-eofchar", "-translation" }; |
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28 | |||
29 | internal const int OPT_BLOCKING = 0; |
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30 | internal const int OPT_BUFFERING = 1; |
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31 | internal const int OPT_BUFFERSIZE = 2; |
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32 | internal const int OPT_ENCODING = 3; |
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33 | internal const int OPT_EOFCHAR = 4; |
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34 | internal const int OPT_TRANSLATION = 5; |
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35 | |||
36 | |||
37 | /// <summary> This procedure is invoked to process the "fconfigure" Tcl command. |
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38 | /// See the user documentation for details on what it does. |
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39 | /// |
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40 | /// </summary> |
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41 | /// <param name="interp">the current interpreter. |
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42 | /// </param> |
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43 | /// <param name="argv">command arguments. |
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44 | /// </param> |
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45 | |||
46 | public TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv ) |
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47 | { |
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48 | |||
49 | Channel chan; // The channel being operated on this method |
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50 | |||
51 | if ( ( argv.Length < 2 ) || ( ( ( argv.Length % 2 ) == 1 ) && ( argv.Length != 3 ) ) ) |
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52 | { |
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53 | throw new TclNumArgsException( interp, 1, argv, "channelId ?optionName? ?value? ?optionName value?..." ); |
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54 | } |
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55 | |||
56 | |||
57 | chan = TclIO.getChannel( interp, argv[1].ToString() ); |
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58 | if ( chan == null ) |
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59 | { |
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60 | |||
61 | throw new TclException( interp, "can not find channel named \"" + argv[1].ToString() + "\"" ); |
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62 | } |
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63 | |||
64 | if ( argv.Length == 2 ) |
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65 | { |
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66 | // return list of all name/value pairs for this channelId |
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67 | TclObject list = TclList.newInstance(); |
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68 | |||
69 | TclList.append( interp, list, TclString.newInstance( "-blocking" ) ); |
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70 | TclList.append( interp, list, TclBoolean.newInstance( chan.Blocking ) ); |
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71 | |||
72 | TclList.append( interp, list, TclString.newInstance( "-buffering" ) ); |
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73 | TclList.append( interp, list, TclString.newInstance( TclIO.getBufferingString( chan.Buffering ) ) ); |
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74 | |||
75 | TclList.append( interp, list, TclString.newInstance( "-buffersize" ) ); |
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76 | TclList.append( interp, list, TclInteger.newInstance( chan.BufferSize ) ); |
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77 | |||
78 | // -encoding |
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79 | |||
80 | TclList.append( interp, list, TclString.newInstance( "-encoding" ) ); |
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81 | |||
82 | System.Text.Encoding javaEncoding = chan.Encoding; |
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83 | string tclEncoding; |
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84 | if ( (System.Object)javaEncoding == null ) |
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85 | { |
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86 | tclEncoding = "binary"; |
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87 | } |
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88 | else |
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89 | { |
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90 | tclEncoding = EncodingCmd.getTclName( javaEncoding ); |
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91 | } |
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92 | TclList.append( interp, list, TclString.newInstance( tclEncoding ) ); |
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93 | |||
94 | // -eofchar |
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95 | |||
96 | TclList.append( interp, list, TclString.newInstance( "-eofchar" ) ); |
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97 | if ( chan.ReadOnly ) |
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98 | { |
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99 | char eofChar = chan.InputEofChar; |
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100 | TclList.append( interp, list, ( eofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( eofChar ) ); |
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101 | } |
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102 | else if ( chan.WriteOnly ) |
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103 | { |
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104 | char eofChar = chan.OutputEofChar; |
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105 | TclList.append( interp, list, ( eofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( eofChar ) ); |
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106 | } |
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107 | else if ( chan.ReadWrite ) |
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108 | { |
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109 | char inEofChar = chan.InputEofChar; |
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110 | char outEofChar = chan.OutputEofChar; |
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111 | |||
112 | TclObject eofchar_pair = TclList.newInstance(); |
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113 | |||
114 | TclList.append( interp, eofchar_pair, ( inEofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( inEofChar ) ); |
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115 | |||
116 | TclList.append( interp, eofchar_pair, ( outEofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( outEofChar ) ); |
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117 | |||
118 | TclList.append( interp, list, eofchar_pair ); |
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119 | } |
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120 | else |
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121 | { |
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122 | // Not readable or writeable, do nothing |
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123 | } |
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124 | |||
125 | // -translation |
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126 | |||
127 | TclList.append( interp, list, TclString.newInstance( "-translation" ) ); |
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128 | |||
129 | if ( chan.ReadOnly ) |
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130 | { |
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131 | TclList.append( interp, list, TclString.newInstance( TclIO.getTranslationString( chan.InputTranslation ) ) ); |
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132 | } |
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133 | else if ( chan.WriteOnly ) |
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134 | { |
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135 | TclList.append( interp, list, TclString.newInstance( TclIO.getTranslationString( chan.OutputTranslation ) ) ); |
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136 | } |
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137 | else if ( chan.ReadWrite ) |
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138 | { |
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139 | TclObject translation_pair = TclList.newInstance(); |
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140 | |||
141 | TclList.append( interp, translation_pair, TclString.newInstance( TclIO.getTranslationString( chan.InputTranslation ) ) ); |
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142 | TclList.append( interp, translation_pair, TclString.newInstance( TclIO.getTranslationString( chan.OutputTranslation ) ) ); |
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143 | |||
144 | TclList.append( interp, list, translation_pair ); |
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145 | } |
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146 | else |
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147 | { |
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148 | // Not readable or writeable, do nothing |
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149 | } |
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150 | |||
151 | interp.setResult( list ); |
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152 | } |
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153 | |||
154 | if ( argv.Length == 3 ) |
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155 | { |
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156 | // return value for supplied name |
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157 | |||
158 | int index = TclIndex.get( interp, argv[2], validCmds, "option", 0 ); |
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159 | |||
160 | switch ( index ) |
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161 | { |
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162 | |||
163 | case OPT_BLOCKING: |
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164 | { |
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165 | // -blocking |
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166 | interp.setResult( chan.Blocking ); |
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167 | break; |
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168 | } |
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169 | |||
170 | case OPT_BUFFERING: |
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171 | { |
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172 | // -buffering |
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173 | interp.setResult( TclIO.getBufferingString( chan.Buffering ) ); |
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174 | break; |
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175 | } |
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176 | |||
177 | case OPT_BUFFERSIZE: |
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178 | { |
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179 | // -buffersize |
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180 | interp.setResult( chan.BufferSize ); |
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181 | break; |
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182 | } |
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183 | |||
184 | case OPT_ENCODING: |
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185 | { |
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186 | // -encoding |
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187 | System.Text.Encoding javaEncoding = chan.Encoding; |
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188 | if ( (System.Object)javaEncoding == null ) |
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189 | { |
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190 | interp.setResult( "binary" ); |
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191 | } |
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192 | else |
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193 | { |
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194 | interp.setResult( EncodingCmd.getTclName( javaEncoding ) ); |
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195 | } |
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196 | break; |
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197 | } |
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198 | |||
199 | case OPT_EOFCHAR: |
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200 | { |
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201 | // -eofchar |
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202 | if ( chan.ReadOnly ) |
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203 | { |
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204 | char eofChar = chan.InputEofChar; |
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205 | interp.setResult( ( eofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( eofChar ) ); |
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206 | } |
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207 | else if ( chan.WriteOnly ) |
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208 | { |
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209 | char eofChar = chan.OutputEofChar; |
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210 | interp.setResult( ( eofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( eofChar ) ); |
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211 | } |
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212 | else if ( chan.ReadWrite ) |
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213 | { |
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214 | char inEofChar = chan.InputEofChar; |
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215 | char outEofChar = chan.OutputEofChar; |
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216 | |||
217 | TclObject eofchar_pair = TclList.newInstance(); |
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218 | |||
219 | TclList.append( interp, eofchar_pair, ( inEofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( inEofChar ) ); |
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220 | |||
221 | TclList.append( interp, eofchar_pair, ( outEofChar == 0 ) ? TclString.newInstance( "" ) : TclString.newInstance( outEofChar ) ); |
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222 | |||
223 | interp.setResult( eofchar_pair ); |
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224 | } |
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225 | else |
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226 | { |
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227 | // Not readable or writeable, do nothing |
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228 | } |
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229 | |||
230 | break; |
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231 | } |
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232 | |||
233 | case OPT_TRANSLATION: |
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234 | { |
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235 | // -translation |
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236 | if ( chan.ReadOnly ) |
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237 | { |
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238 | interp.setResult( TclIO.getTranslationString( chan.InputTranslation ) ); |
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239 | } |
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240 | else if ( chan.WriteOnly ) |
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241 | { |
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242 | interp.setResult( TclIO.getTranslationString( chan.OutputTranslation ) ); |
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243 | } |
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244 | else if ( chan.ReadWrite ) |
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245 | { |
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246 | TclObject translation_pair = TclList.newInstance(); |
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247 | |||
248 | TclList.append( interp, translation_pair, TclString.newInstance( TclIO.getTranslationString( chan.InputTranslation ) ) ); |
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249 | TclList.append( interp, translation_pair, TclString.newInstance( TclIO.getTranslationString( chan.OutputTranslation ) ) ); |
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250 | |||
251 | interp.setResult( translation_pair ); |
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252 | } |
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253 | else |
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254 | { |
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255 | // Not readable or writeable, do nothing |
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256 | } |
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257 | |||
258 | break; |
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259 | } |
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260 | |||
261 | default: |
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262 | { |
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263 | throw new TclRuntimeError( "Fconfigure.cmdProc() error: " + "incorrect index returned from TclIndex.get()" ); |
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264 | } |
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265 | |||
266 | } |
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267 | } |
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268 | for ( int i = 3; i < argv.Length; i += 2 ) |
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269 | { |
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270 | // Iterate through the list setting the name with the |
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271 | // corresponding value. |
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272 | |||
273 | int index = TclIndex.get( interp, argv[i - 1], validCmds, "option", 0 ); |
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274 | |||
275 | switch ( index ) |
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276 | { |
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277 | |||
278 | case OPT_BLOCKING: |
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279 | { |
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280 | // -blocking |
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281 | chan.Blocking = TclBoolean.get( interp, argv[i] ); |
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282 | break; |
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283 | } |
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284 | |||
285 | case OPT_BUFFERING: |
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286 | { |
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287 | // -buffering |
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288 | |||
289 | int id = TclIO.getBufferingID( argv[i].ToString() ); |
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290 | |||
291 | if ( id == -1 ) |
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292 | { |
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293 | throw new TclException( interp, "bad value for -buffering: must be " + "one of full, line, or none" ); |
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294 | } |
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295 | |||
296 | chan.Buffering = id; |
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297 | break; |
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298 | } |
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299 | |||
300 | case OPT_BUFFERSIZE: |
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301 | { |
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302 | // -buffersize |
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303 | chan.BufferSize = TclInteger.get( interp, argv[i] ); |
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304 | break; |
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305 | } |
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306 | |||
307 | case OPT_ENCODING: |
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308 | { |
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309 | // -encoding |
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310 | |||
311 | string tclEncoding = argv[i].ToString(); |
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312 | |||
313 | if ( tclEncoding.Equals( "" ) || tclEncoding.Equals( "binary" ) ) |
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314 | { |
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315 | chan.Encoding = null; |
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316 | } |
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317 | else |
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318 | { |
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319 | System.Text.Encoding javaEncoding = EncodingCmd.getJavaName( tclEncoding ); |
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320 | if ( (System.Object)javaEncoding == null ) |
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321 | { |
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322 | throw new TclException( interp, "unknown encoding \"" + tclEncoding + "\"" ); |
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323 | } |
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324 | chan.Encoding = javaEncoding; |
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325 | } |
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326 | |||
327 | break; |
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328 | } |
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329 | |||
330 | case OPT_EOFCHAR: |
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331 | { |
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332 | // -eofchar |
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333 | TclList.setListFromAny( interp, argv[i] ); |
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334 | int length = TclList.getLength( interp, argv[i] ); |
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335 | |||
336 | if ( length > 2 ) |
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337 | { |
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338 | throw new TclException( interp, "bad value for -eofchar: " + "should be a list of zero, one, or two elements" ); |
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339 | } |
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340 | |||
341 | char inputEofChar, outputEofChar; |
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342 | string s; |
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343 | |||
344 | if ( length == 0 ) |
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345 | { |
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346 | inputEofChar = outputEofChar = (char)( 0 ); |
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347 | } |
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348 | else if ( length == 1 ) |
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349 | { |
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350 | |||
351 | s = TclList.index( interp, argv[i], 0 ).ToString(); |
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352 | inputEofChar = outputEofChar = s[0]; |
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353 | } |
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354 | else |
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355 | { |
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356 | |||
357 | s = TclList.index( interp, argv[i], 0 ).ToString(); |
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358 | inputEofChar = s[0]; |
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359 | |||
360 | |||
361 | s = TclList.index( interp, argv[i], 1 ).ToString(); |
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362 | outputEofChar = s[0]; |
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363 | } |
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364 | |||
365 | chan.InputEofChar = inputEofChar; |
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366 | chan.OutputEofChar = outputEofChar; |
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367 | |||
368 | break; |
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369 | } |
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370 | |||
371 | case OPT_TRANSLATION: |
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372 | { |
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373 | // -translation |
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374 | TclList.setListFromAny( interp, argv[i] ); |
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375 | int length = TclList.getLength( interp, argv[i] ); |
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376 | |||
377 | if ( length < 1 || length > 2 ) |
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378 | { |
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379 | throw new TclException( interp, "bad value for -translation: " + "must be a one or two element list" ); |
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380 | } |
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381 | |||
382 | string inputTranslationArg, outputTranslationArg; |
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383 | int inputTranslation, outputTranslation; |
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384 | |||
385 | if ( length == 2 ) |
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386 | { |
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387 | |||
388 | inputTranslationArg = TclList.index( interp, argv[i], 0 ).ToString(); |
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389 | inputTranslation = TclIO.getTranslationID( inputTranslationArg ); |
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390 | |||
391 | outputTranslationArg = TclList.index( interp, argv[i], 1 ).ToString(); |
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392 | outputTranslation = TclIO.getTranslationID( outputTranslationArg ); |
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393 | } |
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394 | else |
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395 | { |
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396 | |||
397 | outputTranslationArg = inputTranslationArg = argv[i].ToString(); |
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398 | outputTranslation = inputTranslation = TclIO.getTranslationID( outputTranslationArg ); |
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399 | } |
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400 | |||
401 | if ( ( inputTranslation == -1 ) || ( outputTranslation == -1 ) ) |
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402 | { |
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403 | throw new TclException( interp, "bad value for -translation: " + "must be one of auto, binary, cr, lf, " + "crlf, or platform" ); |
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404 | } |
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405 | |||
406 | if ( outputTranslation == TclIO.TRANS_AUTO ) |
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407 | outputTranslation = TclIO.TRANS_PLATFORM; |
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408 | |||
409 | if ( chan.ReadOnly ) |
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410 | { |
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411 | chan.InputTranslation = inputTranslation; |
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412 | if ( inputTranslationArg.Equals( "binary" ) ) |
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413 | { |
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414 | chan.Encoding = null; |
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415 | } |
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416 | } |
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417 | else if ( chan.WriteOnly ) |
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418 | { |
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419 | chan.OutputTranslation = outputTranslation; |
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420 | if ( outputTranslationArg.Equals( "binary" ) ) |
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421 | { |
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422 | chan.Encoding = null; |
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423 | } |
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424 | } |
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425 | else if ( chan.ReadWrite ) |
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426 | { |
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427 | chan.InputTranslation = inputTranslation; |
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428 | chan.OutputTranslation = outputTranslation; |
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429 | if ( inputTranslationArg.Equals( "binary" ) || outputTranslationArg.Equals( "binary" ) ) |
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430 | { |
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431 | chan.Encoding = null; |
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432 | } |
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433 | } |
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434 | else |
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435 | { |
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436 | // Not readable or writeable, do nothing |
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437 | } |
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438 | |||
439 | break; |
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440 | } |
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441 | |||
442 | default: |
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443 | { |
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444 | throw new TclRuntimeError( "Fconfigure.cmdProc() error: " + "incorrect index returned from TclIndex.get()" ); |
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445 | } |
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446 | |||
447 | } |
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448 | } |
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449 | return TCL.CompletionCode.RETURN; |
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450 | } |
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451 | } |
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452 | } |