Mac/Modules/mlte/mltesupport.py

   1 # This script generates a Python interface for an Apple Macintosh Manager.
   2 # It uses the "bgen" package to generate C code.
   3 # The function specifications are generated by scanning the mamager's header file,
   4 # using the "scantools" package (customized for this particular manager).
   5
   6 #error missing SetActionFilter
   7
   8 import string
   9
  10 # Declarations that change for each manager
  11 MODNAME = '_Mlte'                               # The name of the module
  12
  13 # The following is *usually* unchanged but may still require tuning
  14 MODPREFIX = 'Mlte'                      # The prefix for module-wide routines
  15 INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
  16 OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
  17
  18 from macsupport import *
  19
  20 # Create the type objects
  21
  22 includestuff = includestuff + """
  23 #ifdef WITHOUT_FRAMEWORKS
  24 #include <MacTextEditor.h>
  25 #else
  26 #include <Carbon/Carbon.h>
  27 #endif
  28
  29 /* For now we declare them forward here. They'll go to mactoolbox later */
  30 static PyObject *TXNObj_New(TXNObject);
  31 static int TXNObj_Convert(PyObject *, TXNObject *);
  32 static PyObject *TXNFontMenuObj_New(TXNFontMenuObject);
  33 static int TXNFontMenuObj_Convert(PyObject *, TXNFontMenuObject *);
  34
  35 // ADD declarations
  36 #ifdef NOTYET_USE_TOOLBOX_OBJECT_GLUE
  37 //extern PyObject *_CFTypeRefObj_New(CFTypeRef);
  38 //extern int _CFTypeRefObj_Convert(PyObject *, CFTypeRef *);
  39
  40 //#define CFTypeRefObj_New _CFTypeRefObj_New
  41 //#define CFTypeRefObj_Convert _CFTypeRefObj_Convert
  42 #endif
  43
  44 /*
  45 ** Parse an optional fsspec
  46 */
  47 static int
  48 OptFSSpecPtr_Convert(PyObject *v, FSSpec **p_itself)
  49 {
  50         static FSSpec fss;
  51         if (v == Py_None)
  52         {
  53                 *p_itself = NULL;
  54                 return 1;
  55         }
  56         *p_itself = &fss;
  57         return PyMac_GetFSSpec(v, *p_itself);
  58 }
  59
  60 /*
  61 ** Parse an optional rect
  62 */
  63 static int
  64 OptRectPtr_Convert(PyObject *v, Rect **p_itself)
  65 {
  66         static Rect r;
  67
  68         if (v == Py_None)
  69         {
  70                 *p_itself = NULL;
  71                 return 1;
  72         }
  73         *p_itself = &r;
  74         return PyMac_GetRect(v, *p_itself);
  75 }
  76
  77 /*
  78 ** Parse an optional GWorld
  79 */
  80 static int
  81 OptGWorldObj_Convert(PyObject *v, GWorldPtr *p_itself)
  82 {
  83         if (v == Py_None)
  84         {
  85                 *p_itself = NULL;
  86                 return 1;
  87         }
  88         return GWorldObj_Convert(v, p_itself);
  89 }
  90
  91 """
  92
  93 initstuff = initstuff + """
  94 //      PyMac_INIT_TOOLBOX_OBJECT_NEW(xxxx);
  95 """
  96 TXNObject = OpaqueByValueType("TXNObject", "TXNObj")
  97 TXNFontMenuObject = OpaqueByValueType("TXNFontMenuObject", "TXNFontMenuObj")
  98
  99 TXNFrameID = Type("TXNFrameID", "l")
 100 TXNVersionValue = Type("TXNVersionValue", "l")
 101 TXNFeatureBits = Type("TXNFeatureBits", "l")
 102 TXNInitOptions = Type("TXNInitOptions", "l")
 103 TXNFrameOptions = Type("TXNFrameOptions", "l")
 104 TXNContinuousFlags = Type("TXNContinuousFlags", "l")
 105 TXNMatchOptions = Type("TXNMatchOptions", "l")
 106 TXNFileType = OSTypeType("TXNFileType")
 107 TXNFrameType = Type("TXNFrameType", "l")
 108 TXNDataType = OSTypeType("TXNDataType")
 109 TXNControlTag = OSTypeType("TXNControlTag")
 110 TXNActionKey = Type("TXNActionKey", "l")
 111 TXNTabType = Type("TXNTabType", "b")
 112 TXNScrollBarState = Type("TXNScrollBarState", "l")
 113 TXNOffset = Type("TXNOffset", "l")
 114 TXNObjectRefcon = FakeType("(TXNObjectRefcon)0") # XXXX For now...
 115 TXNErrors = OSErrType("TXNErrors", "l")
 116 TXNTypeRunAttributes = OSTypeType("TXNTypeRunAttributes")
 117 TXNTypeRunAttributeSizes = Type("TXNTypeRunAttributeSizes", "l")
 118 TXNPermanentTextEncodingType = Type("TXNPermanentTextEncodingType", "l")
 119 TXTNTag = OSTypeType("TXTNTag")
 120 TXNBackgroundType = Type("TXNBackgroundType", "l")
 121 DragReference = OpaqueByValueType("DragReference", "DragObj")
 122 DragTrackingMessage = Type("DragTrackingMessage", "h")
 123 RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
 124 OptRgnHandle = OpaqueByValueType("RgnHandle", "OptResObj")
 125 GWorldPtr = OpaqueByValueType("GWorldPtr", "GWorldObj")
 126 OptGWorldPtr = OpaqueByValueType("GWorldPtr", "OptGWorldObj")
 127 MlteInBuffer = VarInputBufferType('void *', 'ByteCount', 'l')
 128
 129 OptFSSpecPtr = OpaqueByValueType("FSSpec *", "OptFSSpecPtr")
 130 OptRectPtr = OpaqueByValueType("Rect *", "OptRectPtr")
 131
 132 UniChar = Type("UniChar", "h") # XXXX For now...
 133 # ADD object type here
 134
 135 execfile("mltetypetest.py")
 136
 137 # Our (opaque) objects
 138
 139 class TXNObjDefinition(PEP253Mixin, GlobalObjectDefinition):
 140         def outputCheckNewArg(self):
 141                 Output("if (itself == NULL) return PyMac_Error(resNotFound);")
 142
 143 class TXNFontMenuObjDefinition(PEP253Mixin, GlobalObjectDefinition):
 144         def outputCheckNewArg(self):
 145                 Output("if (itself == NULL) return PyMac_Error(resNotFound);")
 146
 147
 148 # ADD object class here
 149
 150 # From here on it's basically all boiler plate...
 151
 152 # Create the generator groups and link them
 153 module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
 154 TXNObject_object = TXNObjDefinition("TXNObject", "TXNObj", "TXNObject")
 155 TXNFontMenuObject_object = TXNFontMenuObjDefinition("TXNFontMenuObject", "TXNFontMenuObj", "TXNFontMenuObject")
 156
 157 # ADD object here
 158
 159 module.addobject(TXNObject_object)
 160 module.addobject(TXNFontMenuObject_object)
 161 # ADD addobject call here
 162
 163 # Create the generator classes used to populate the lists
 164 Function = OSErrWeakLinkFunctionGenerator
 165 Method = OSErrWeakLinkMethodGenerator
 166
 167 # Create and populate the lists
 168 functions = []
 169 TXNObject_methods = []
 170 TXNFontMenuObject_methods = []
 171
 172 # ADD _methods initializer here
 173 execfile(INPUTFILE)
 174
 175
 176 # add the populated lists to the generator groups
 177 # (in a different wordl the scan program would generate this)
 178 for f in functions: module.add(f)
 179 for f in TXNObject_methods: TXNObject_object.add(f)
 180 for f in TXNFontMenuObject_methods: TXNFontMenuObject_object.add(f)
 181
 182 # ADD Manual generators here
 183 inittextension_body = """
 184 OSStatus _err;
 185 TXNMacOSPreferredFontDescription * iDefaultFonts = NULL;
 186 ItemCount iCountDefaultFonts = 0;
 187 TXNInitOptions iUsageFlags;
 188 PyMac_PRECHECK(TXNInitTextension);
 189 if (!PyArg_ParseTuple(_args, "l", &iUsageFlags))
 190         return NULL;
 191 _err = TXNInitTextension(iDefaultFonts,
 192                          iCountDefaultFonts,
 193                          iUsageFlags);
 194 if (_err != noErr) return PyMac_Error(_err);
 195 Py_INCREF(Py_None);
 196 _res = Py_None;
 197 return _res;
 198 """
 199
 200 f = ManualGenerator("TXNInitTextension", inittextension_body);
 201 f.docstring = lambda: "(TXNInitOptions) -> None"
 202 module.add(f)
 203
 204 # generate output (open the output file as late as possible)
 205 SetOutputFileName(OUTPUTFILE)
 206 module.generate()
 207