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/ Amiga Plus 2004 #2 / Amiga Plus CD - 2004 - No. 02.iso / AmigaPlus / Tools / Development / AmigaTalk / system / Library.st < prev    next >
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Text File  |  2004-01-31  |  2.3 KB  |  90 lines
  1. " ------------------------------------------------------------------- "
  2. " Library Class is temporarily derived from Object.                   "
  3. ""
  4. " WARNING:  The following methods are NOT really necessary for your   "
  5. "           use: "
  6. ""
  7. "   addLibrary:                            "
  8. "   makeLibrary:struct:init:size:segments: "
  9. "   removeLibrary:                         "
  10. "   setFunctionIn:at:to:                   "
  11. "   sumLibrary:                            "
  12. " ------------------------------------------------------------------- "
  13.  
  14. Class Library :Object ! private libName !
  15. [
  16.    makeLibrary: funcInitObj struct: structInitObj init: libInitFuncObj 
  17.                               size: dataSize      segments: segList
  18.  
  19.       " Ordinary users should use openLibrary:version: or new: instead! "
  20.  
  21.       ^ <primitive 209 4 27 funcInitObj structInitObj libInitFuncObj dataSize segList>
  22. |
  23.    addLibrary: libraryObj
  24.       " Used after makeLibrary:struct:init:size:segments: method " 
  25.       <primitive 209 4 21 libraryObj>
  26. |
  27.    removeLibrary: libraryObj
  28.       " Only use this method if you used the addLibrary: method "
  29.       <primitive 209 4 22 libraryObj>
  30. |
  31.    setFunctionIn: libraryObj at: funcOffset to: newFuncPtrObj
  32.       " The returned value is the oldFuncPtrObj, which MUST BE 
  33.       * saved so that you can restore the libraryObj back to it's
  34.       * original state.  There is currently NO AmigaTalk method 
  35.       * that can create a funcPtrObj, so DO NOT USE THIS METHOD!
  36.       "
  37.       ^ <primitive 209 4 23 libraryObj funcOffset newFuncPtrObj>
  38. |
  39.    sumLibrary: libraryObj
  40.       <primitive 209 4 24 libraryObj>
  41. |
  42.    getLibraryObject
  43.      ^ private
  44. |
  45.    openLibrary: libraryName version: ver
  46.      private <- <primitive 190 1 libraryName ver>.
  47.  
  48.      libName <- libraryName.
  49.  
  50.      ^ self
  51. |
  52.    close
  53.  
  54.      <primitive 190 0 private>.
  55.      
  56.      <primitive 250 5 0 private>.
  57.      
  58.      ^ nil
  59. |
  60.    getIDString
  61.      ^ libName
  62. |
  63.    getVersion
  64.      ^ <primitive 190 2 4 private>
  65. |
  66.    getNegSize
  67.      ^ <primitive 190 2 1 private>
  68. |
  69.    getPosSize
  70.      ^ <primitive 190 2 2 private>
  71. |
  72.    getFlags
  73.      ^ <primitive 190 2 3 private>
  74. |
  75.    getRevision
  76.      ^ <primitive 190 2 5 private>
  77. |
  78.    getCheckSum
  79.      ^ <primitive 190 2 6 private>
  80. |
  81.    getOpenCount
  82.      ^ <primitive 190 2 7 private>
  83. |
  84.    new: libname
  85.  
  86.      self openLibrary: libname version: 0.
  87.  
  88.      ^ self
  89. ] 
  90.