wasCSharpSQLite – Blame information for rev 1
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| Rev | Author | Line No. | Line |
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| 1 | office | 1 | /* |
| 2 | * LinsertCmd.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: LinsertCmd.java,v 1.3 2003/01/09 02:15:39 mdejong Exp $ |
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| 14 | * |
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| 15 | */ |
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| 16 | using System; |
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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 "linsert" command in Tcl.</summary> |
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| 21 | |||
| 22 | class LinsertCmd : Command |
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| 23 | { |
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| 24 | /// <summary> See Tcl user documentation for details.</summary> |
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| 25 | /// <exception cref=""> TclException If incorrect number of arguments. |
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| 26 | /// </exception> |
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| 27 | |||
| 28 | public TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv ) |
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| 29 | { |
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| 30 | if ( argv.Length < 4 ) |
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| 31 | { |
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| 32 | throw new TclNumArgsException( interp, 1, argv, "list index element ?element ...?" ); |
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| 33 | } |
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| 34 | |||
| 35 | int size = TclList.getLength( interp, argv[1] ); |
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| 36 | int index = Util.getIntForIndex( interp, argv[2], size ); |
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| 37 | TclObject list = argv[1]; |
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| 38 | bool isDuplicate = false; |
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| 39 | |||
| 40 | // If the list object is unshared we can modify it directly. Otherwise |
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| 41 | // we create a copy to modify: this is "copy on write". |
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| 42 | |||
| 43 | if ( list.Shared ) |
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| 44 | { |
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| 45 | list = list.duplicate(); |
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| 46 | isDuplicate = true; |
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| 47 | } |
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| 48 | |||
| 49 | try |
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| 50 | { |
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| 51 | TclList.insert( interp, list, index, argv, 3, argv.Length - 1 ); |
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| 52 | interp.setResult( list ); |
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| 53 | } |
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| 54 | catch ( TclException e ) |
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| 55 | { |
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| 56 | if ( isDuplicate ) |
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| 57 | { |
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| 58 | list.release(); |
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| 59 | } |
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| 60 | throw; |
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| 61 | } |
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| 62 | return TCL.CompletionCode.RETURN; |
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| 63 | } |
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| 64 | } |
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| 65 | } |