wasCSharpSQLite – Blame information for rev
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1 | office | 1 | /* |
2 | * ExprCmd.java |
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3 | * |
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4 | * Copyright (c) 1997 Cornell University. |
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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: ExprCmd.java,v 1.2 1999/05/08 23:59:30 dejong Exp $ |
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14 | * |
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15 | */ |
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16 | using System.Text; |
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17 | namespace tcl.lang |
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18 | { |
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19 | |||
20 | /// <summary> This class implements the built-in "expr" command in Tcl.</summary> |
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21 | |||
22 | class ExprCmd : Command |
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23 | { |
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24 | /// <summary> Evaluates a Tcl expression. See Tcl user documentation for |
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25 | /// details. |
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26 | /// </summary> |
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27 | /// <exception cref=""> TclException If malformed expression. |
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28 | /// </exception> |
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29 | |||
30 | public TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv ) |
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31 | { |
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32 | if ( argv.Length < 2 ) |
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33 | { |
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34 | throw new TclNumArgsException( interp, 1, argv, "arg ?arg ...?" ); |
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35 | } |
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36 | |||
37 | if ( argv.Length == 2 ) |
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38 | { |
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39 | |||
40 | interp.setResult( interp.expr.eval( interp, argv[1].ToString() ) ); |
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41 | } |
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42 | else |
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43 | { |
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44 | StringBuilder sbuf = new StringBuilder(); |
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45 | |||
46 | sbuf.Append( argv[1].ToString() ); |
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47 | for ( int i = 2; i < argv.Length; i++ ) |
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48 | { |
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49 | sbuf.Append( ' ' ); |
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50 | |||
51 | sbuf.Append( argv[i].ToString() ); |
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52 | } |
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53 | interp.setResult( interp.expr.eval( interp, sbuf.ToString() ) ); |
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54 | } |
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55 | return TCL.CompletionCode.RETURN; |
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56 | } |
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57 | } |
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58 | } |