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1 | office | 1 | /* |
2 | * TclObj.java |
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3 | * |
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4 | * Copyright (c) 1997 Sun Microsystems, Inc. |
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5 | * |
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6 | * See the file "license.terms" for information on usage and |
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7 | * redistribution of this file, and for a DISCLAIMER OF ALL |
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8 | * WARRANTIES. |
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9 | * |
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10 | * Included in SQLite3 port to C# for use in testharness only; 2008 Noah B Hart |
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11 | * |
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12 | * RCS @(#) $Id: TclObj.java,v 1.5 2000/10/29 06:00:42 mdejong Exp $ |
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13 | * |
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14 | */ |
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15 | using System; |
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16 | namespace tcl.lang |
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17 | { |
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18 | |||
19 | /// <summary> This class implements the object type in Tcl.</summary> |
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20 | |||
21 | public class TclObj : InternalRep |
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22 | { |
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23 | /// <summary> Internal representation of a object value.</summary> |
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24 | private object value; |
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25 | |||
26 | /// <summary> Construct a TclObj representation with the given object value.</summary> |
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27 | private TclObj( object o ) |
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28 | { |
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29 | value = o; |
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30 | } |
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31 | |||
32 | /// <summary> Returns a dupilcate of the current object.</summary> |
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33 | /// <param name="obj">the TclObject that contains this internalRep. |
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34 | /// </param> |
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35 | public InternalRep duplicate() |
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36 | { |
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37 | return new TclObj( value ); |
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38 | } |
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39 | |||
40 | /// <summary> Implement this no-op for the InternalRep interface.</summary> |
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41 | |||
42 | public void dispose() |
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43 | { |
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44 | value = null; |
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45 | } |
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46 | |||
47 | /// <summary> Called to query the string representation of the Tcl object. This |
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48 | /// method is called only by TclObject.toString() when |
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49 | /// TclObject.stringRep is null. |
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50 | /// |
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51 | /// </summary> |
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52 | /// <returns> the string representation of the Tcl object. |
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53 | /// </returns> |
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54 | public override string ToString() |
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55 | { |
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56 | return value.ToString(); |
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57 | } |
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58 | |||
59 | /// <summary> Tcl_NewIntObj -> TclObj.newInstance |
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60 | /// |
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61 | /// Creates a new instance of a TclObject with a TclObj internal |
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62 | /// representation. |
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63 | /// |
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64 | /// </summary> |
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65 | /// <param name="b">initial value of the object object. |
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66 | /// </param> |
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67 | /// <returns> the TclObject with the given object value. |
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68 | /// </returns> |
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69 | |||
70 | public static TclObject newInstance( object o ) |
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71 | { |
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72 | return new TclObject( new TclObj( o ) ); |
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73 | } |
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74 | |||
75 | |||
76 | /// <summary> Changes the object value of the object. |
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77 | /// |
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78 | /// </summary> |
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79 | /// <param name="interp">current interpreter. |
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80 | /// </param> |
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81 | /// <param name="tobj">the object to operate on. |
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82 | /// @paran i the new object value. |
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83 | /// </param> |
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84 | public static void set( TclObject tobj, object o ) |
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85 | { |
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86 | tobj.invalidateStringRep(); |
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87 | InternalRep rep = tobj.InternalRep; |
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88 | TclObj tint; |
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89 | |||
90 | if ( rep is TclObj ) |
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91 | { |
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92 | tint = (TclObj)rep; |
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93 | tint.value = o; |
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94 | } |
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95 | else |
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96 | { |
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97 | tobj.InternalRep = new TclObj( o ); |
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98 | } |
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99 | } |
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100 | } |
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101 | } |