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C/C++ Source or Header  |  1996-08-28  |  3.7 KB  |  117 lines  |  [TEXT/MPS ]
  1. /*
  2.     File:        LinkItr.cpp
  3.  
  4.     Contains:    Implementation of class ODLinkIterator
  5.  
  6.     Owned by:    Craig Carper
  7.  
  8.     Copyright:    © 1994, 1995 by Apple Computer, Inc., all rights reserved.
  9.  
  10.     Change History (most recent first):
  11.  
  12.          <2>     5/24/96    jpa        1246074: SOM_CATCH --> SOM_TRY..SOM_ENDTRY
  13.          <5>      8/3/95    RR        #1257260: Collapse B classes. Remove
  14.                                     somInit methods. Don't call IsInitialized
  15.                                     or SubclassResponsibility
  16.          <4>     5/26/95    VL        1251403: Multithreading naming support.
  17.          <3>     5/18/95    CC        1249197: Renamed InitODLinkIterator to
  18.                                     InitLinkIterator.
  19.          <2>     4/11/95    CC        1236452: Added SOM_CATCH to
  20.                                     InitODLinkIterator.
  21.                                     Changed parent method calls from verbose to
  22.                                     simple form (parent_method).
  23.          <1>     8/11/94    CC        first checked in
  24.  
  25.     To Do:
  26.         
  27. */
  28.  
  29. #define VARIABLE_MACROS
  30.  
  31. #define ODLinkIterator_Class_Source
  32. #include <LinkItr.xih>
  33.  
  34. #ifndef SOM_ODObject_xh
  35. #include <ODObject.xh>
  36. #endif
  37.  
  38. #pragma segment ODLinkIterator
  39.  
  40. //==============================================================================
  41. // ODLinkIterator
  42. //==============================================================================
  43.  
  44. //------------------------------------------------------------------------------
  45. // ODLinkIterator: somUninit
  46. //------------------------------------------------------------------------------
  47.  
  48. SOM_Scope void  SOMLINK ODLinkIteratorsomUninit(ODLinkIterator *somSelf)
  49. {
  50.     /* ODLinkIteratorData *somThis = ODLinkIteratorGetData(somSelf); */
  51.     ODLinkIteratorMethodDebug("ODLinkIterator","somUninit");
  52.  
  53.     parent_somUninit(somSelf);
  54. }
  55.  
  56. //------------------------------------------------------------------------------
  57. // ODLinkIterator: InitLinkIterator
  58. //------------------------------------------------------------------------------
  59.  
  60. SOM_Scope void  SOMLINK ODLinkIteratorInitLinkIterator(ODLinkIterator *somSelf, Environment *ev)
  61. {
  62.     /* ODLinkIteratorData *somThis = ODLinkIteratorGetData(somSelf); */
  63.     ODLinkIteratorMethodDebug("ODLinkIterator","InitLinkIterator");
  64.  
  65.     SOM_TRY
  66.  
  67.     somSelf->InitObject(ev);
  68.  
  69.     SOM_CATCH_ALL
  70.     SOM_ENDTRY
  71. }
  72.  
  73. //------------------------------------------------------------------------------
  74. // ODLinkIterator: IsNotComplete
  75. //------------------------------------------------------------------------------
  76.  
  77. SOM_Scope ODBoolean  SOMLINK ODLinkIteratorIsNotComplete(ODLinkIterator *somSelf, Environment *ev)
  78. {
  79.     /* ODLinkIteratorData *somThis = ODLinkIteratorGetData(somSelf); */
  80.     ODLinkIteratorMethodDebug("ODLinkIterator","IsNotComplete");
  81.  
  82.     WARN("A subclass should have overridden this method!");
  83.     ODSetSOMException(ev,kODErrSubClassResponsibility, "SubClass Responsibility");
  84.     
  85.     return kODFalse;
  86. }
  87.  
  88. //------------------------------------------------------------------------------
  89. // ODLinkIterator: First
  90. //------------------------------------------------------------------------------
  91.  
  92. SOM_Scope ODLink*  SOMLINK ODLinkIteratorFirst(ODLinkIterator *somSelf, Environment *ev)
  93. {
  94.     /* ODLinkIteratorData *somThis = ODLinkIteratorGetData(somSelf); */
  95.     ODLinkIteratorMethodDebug("ODLinkIterator","First");
  96.  
  97.     WARN("A subclass should have overridden this method!");
  98.     ODSetSOMException(ev,kODErrSubClassResponsibility, "SubClass Responsibility");
  99.     
  100.     return kODNULL;
  101. }
  102.  
  103. //------------------------------------------------------------------------------
  104. // ODLinkIterator: Next
  105. //------------------------------------------------------------------------------
  106.  
  107. SOM_Scope ODLink*  SOMLINK ODLinkIteratorNext(ODLinkIterator *somSelf, Environment *ev)
  108. {
  109.     /* ODLinkIteratorData *somThis = ODLinkIteratorGetData(somSelf); */
  110.     ODLinkIteratorMethodDebug("ODLinkIterator","Next");
  111.  
  112.     WARN("A subclass should have overridden this method!");
  113.     ODSetSOMException(ev,kODErrSubClassResponsibility, "SubClass Responsibility");
  114.     
  115.     return kODNULL;
  116. }
  117.