1 files changed, 255 insertions, 0 deletions
diff --git a/Mac/Modules/list/listsupport.py b/Mac/Modules/list/listsupport.py
new file mode 100644
index 0000000..93baede
--- /dev/null
+++ b/Mac/Modules/list/listsupport.py
@@ -0,0 +1,255 @@
+# This script generates a Python interface for an Apple Macintosh Manager.
+# It uses the "bgen" package to generate C code.
+# The function specifications are generated by scanning the mamager's header file,
+# using the "scantools" package (customized for this particular manager).
+
+import string
+
+# Declarations that change for each manager
+MACHEADERFILE = 'Lists.h'               # The Apple header file
+MODNAME = '_List'                               # The name of the module
+OBJECTNAME = 'List'                     # The basic name of the objects used here
+KIND = 'Handle'                         # Usually 'Ptr' or 'Handle'
+
+# The following is *usually* unchanged but may still require tuning
+MODPREFIX = 'List'                      # The prefix for module-wide routines
+OBJECTTYPE = "ListHandle"               # The C type used to represent them
+OBJECTPREFIX = MODPREFIX + 'Obj'        # The prefix for object methods
+INPUTFILE = string.lower(MODPREFIX) + 'gen.py' # The file generated by the scanner
+OUTPUTFILE = MODNAME + "module.c"       # The file generated by this program
+
+from macsupport import *
+
+# Create the type objects
+ListHandle = OpaqueByValueType("ListHandle", "ListObj")
+ListRef = ListHandle # Obsolete, but used in Lists.h
+Cell = Point
+ListBounds = Rect
+ListBounds_ptr = Rect_ptr
+
+ListDefSpec = ListDefSpec_ptr = OpaqueType("ListDefSpec", "PyMac_BuildListDefSpec", "PyMac_GetListDefSpec")
+
+VarOutBufferShortsize = VarHeapOutputBufferType('char', 'short', 's')   # (buf, &len)
+InBufferShortsize = VarInputBufferType('char', 'short', 's')            # (buf, len)
+
+RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
+DataHandle = OpaqueByValueType("DataHandle", "ResObj")
+Handle = OpaqueByValueType("Handle", "ResObj")
+CGrafPtr = OpaqueByValueType("CGrafPtr", "GrafObj")
+EventModifiers = Type("EventModifiers", "H")
+
+includestuff = includestuff + """
+#include <Carbon/Carbon.h>
+
+#ifdef USE_TOOLBOX_OBJECT_GLUE
+extern PyObject *_ListObj_New(ListHandle);
+extern int _ListObj_Convert(PyObject *, ListHandle *);
+
+#define ListObj_New _ListObj_New
+#define ListObj_Convert _ListObj_Convert
+#endif
+
+#define as_List(x) ((ListHandle)x)
+#define as_Resource(lh) ((Handle)lh)
+
+static ListDefUPP myListDefFunctionUPP;
+
+"""
+
+initstuff = initstuff + """
+myListDefFunctionUPP = NewListDefUPP((ListDefProcPtr)myListDefFunction);
+
+PyMac_INIT_TOOLBOX_OBJECT_NEW(ListHandle, ListObj_New);
+PyMac_INIT_TOOLBOX_OBJECT_CONVERT(ListHandle, ListObj_Convert);
+"""
+
+class ListMethodGenerator(MethodGenerator):
+    """Similar to MethodGenerator, but has self as last argument"""
+
+    def parseArgumentList(self, args):
+        args, a0 = args[:-1], args[-1]
+        t0, n0, m0 = a0
+        if m0 != InMode:
+            raise ValueError, "method's 'self' must be 'InMode'"
+        self.itself = Variable(t0, "_self->ob_itself", SelfMode)
+        FunctionGenerator.parseArgumentList(self, args)
+        self.argumentList.append(self.itself)
+
+class MyObjectDefinition(PEP253Mixin, GlobalObjectDefinition):
+    # XXXX Should inherit from Resource
+    getsetlist = [(
+            'listFlags',
+            'return Py_BuildValue("l", (long)GetListFlags(self->ob_itself) & 0xff);',
+            'if (!PyArg_Parse(v, "B", &(*self->ob_itself)->listFlags)) return -1;',
+            None,
+            ), (
+            'selFlags',
+            'return Py_BuildValue("l", (long)GetListSelectionFlags(self->ob_itself) & 0xff);',
+            'if (!PyArg_Parse(v, "B", &(*self->ob_itself)->selFlags)) return -1;',
+            None,
+            ), (
+            'cellSize',
+            'return Py_BuildValue("O&", PyMac_BuildPoint, (*self->ob_itself)->cellSize);',
+            'if (!PyArg_Parse(v, "O&", PyMac_GetPoint, &(*self->ob_itself)->cellSize)) return -1;',
+            None
+            )]
+
+    def outputStructMembers(self):
+        ObjectDefinition.outputStructMembers(self)
+        Output("PyObject *ob_ldef_func;")
+        Output("int ob_must_be_disposed;")
+
+    def outputCheckNewArg(self):
+        Output("""if (itself == NULL) {
+                                PyErr_SetString(List_Error,"Cannot create null List");
+                                return NULL;
+                        }""")
+
+    def outputInitStructMembers(self):
+        ObjectDefinition.outputInitStructMembers(self)
+        Output("it->ob_ldef_func = NULL;")
+        Output("it->ob_must_be_disposed = 1;")
+        Output("SetListRefCon(itself, (long)it);")
+
+    def outputFreeIt(self, itselfname):
+        Output("Py_XDECREF(self->ob_ldef_func);")
+        Output("self->ob_ldef_func = NULL;")
+        Output("SetListRefCon(self->ob_itself, (long)0);")
+        Output("if (self->ob_must_be_disposed && %s) LDispose(%s);", itselfname, itselfname)
+
+# From here on it's basically all boiler plate...
+
+finalstuff = finalstuff + """
+static void myListDefFunction(SInt16 message,
+                       Boolean selected,
+                       Rect *cellRect,
+                       Cell theCell,
+                       SInt16 dataOffset,
+                       SInt16 dataLen,
+                       ListHandle theList)
+{
+        PyObject *listDefFunc, *args, *rv=NULL;
+        ListObject *self;
+
+        self = (ListObject*)GetListRefCon(theList);
+        if (self == NULL || self->ob_itself != theList)
+                return;  /* nothing we can do */
+        listDefFunc = self->ob_ldef_func;
+        if (listDefFunc == NULL)
+                return;  /* nothing we can do */
+        args = Py_BuildValue("hbO&O&hhO", message,
+                                          selected,
+                                          PyMac_BuildRect, cellRect,
+                                          PyMac_BuildPoint, theCell,
+                                          dataOffset,
+                                          dataLen,
+                                          self);
+        if (args != NULL) {
+                rv = PyEval_CallObject(listDefFunc, args);
+                Py_DECREF(args);
+        }
+        if (rv == NULL) {
+                PySys_WriteStderr("error in list definition callback:\\n");
+                PyErr_Print();
+        } else {
+                Py_DECREF(rv);
+        }
+}
+"""
+
+# Create the generator groups and link them
+module = MacModule(MODNAME, MODPREFIX, includestuff, finalstuff, initstuff)
+object = MyObjectDefinition(OBJECTNAME, OBJECTPREFIX, OBJECTTYPE)
+module.addobject(object)
+
+# Create the generator classes used to populate the lists
+Function = FunctionGenerator
+Method = ListMethodGenerator
+
+# Create and populate the lists
+functions = []
+methods = []
+execfile(INPUTFILE)
+
+# Function to convert any handle to a list and vv.
+##f = Function(ListHandle, 'as_List', (Handle, 'h', InMode))
+as_List_body = """
+Handle h;
+ListObject *l;
+if (!PyArg_ParseTuple(_args, "O&", ResObj_Convert, &h))
+        return NULL;
+l = (ListObject *)ListObj_New(as_List(h));
+l->ob_must_be_disposed = 0;
+_res = Py_BuildValue("O", l);
+return _res;
+"""
+f = ManualGenerator("as_List", as_List_body)
+f.docstring = lambda: "(Resource)->List.\nReturns List object (which is not auto-freed!)"
+functions.append(f)
+
+f = Method(Handle, 'as_Resource', (ListHandle, 'lh', InMode))
+methods.append(f)
+
+# Manual generator for CreateCustomList, due to callback ideosyncracies
+CreateCustomList_body = """\
+Rect rView;
+Rect dataBounds;
+Point cellSize;
+
+PyObject *listDefFunc;
+ListDefSpec theSpec;
+WindowPtr theWindow;
+Boolean drawIt;
+Boolean hasGrow;
+Boolean scrollHoriz;
+Boolean scrollVert;
+ListHandle outList;
+
+if (!PyArg_ParseTuple(_args, "O&O&O&(iO)O&bbbb",
+                      PyMac_GetRect, &rView,
+                      PyMac_GetRect, &dataBounds,
+                      PyMac_GetPoint, &cellSize,
+                      &theSpec.defType, &listDefFunc,
+                      WinObj_Convert, &theWindow,
+                      &drawIt,
+                      &hasGrow,
+                      &scrollHoriz,
+                      &scrollVert))
+        return NULL;
+
+
+/* Carbon applications use the CreateCustomList API */
+theSpec.u.userProc = myListDefFunctionUPP;
+CreateCustomList(&rView,
+                 &dataBounds,
+                 cellSize,
+                 &theSpec,
+                 theWindow,
+                 drawIt,
+                 hasGrow,
+                 scrollHoriz,
+                 scrollVert,
+                 &outList);
+
+
+_res = ListObj_New(outList);
+if (_res == NULL)
+        return NULL;
+Py_INCREF(listDefFunc);
+((ListObject*)_res)->ob_ldef_func = listDefFunc;
+return _res;\
+"""
+
+f = ManualGenerator("CreateCustomList", CreateCustomList_body);
+f.docstring = lambda: "(Rect rView, Rect dataBounds, Point cellSize, ListDefSpec theSpec, WindowPtr theWindow, Boolean drawIt, Boolean hasGrow, Boolean scrollHoriz, Boolean scrollVert) -> (ListHandle outList)"
+module.add(f)
+
+# add the populated lists to the generator groups
+# (in a different wordl the scan program would generate this)
+for f in functions: module.add(f)
+for f in methods: object.add(f)
+
+
+# generate output (open the output file as late as possible)
+SetOutputFileName(OUTPUTFILE)
+module.generate()