htmlsupport.py :  » Language-Interface » ChinesePython » chinesepython2.1.3-0.4 » Mac » Modules » htmlrender » Python Open Source

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Python Open Source » Language Interface » ChinesePython 
ChinesePython » chinesepython2.1.3 0.4 » Mac » Modules » htmlrender » htmlsupport.py
# This script generates the Dialogs interface for Python.
# It uses the "bgen" package to generate C code.
# It execs the file dlggen.py which contain the function definitions
# (dlggen.py was generated by dlgscan.py, scanning the <Dialogs.h> header file).

from macsupport import *

# Create the type objects

HRReference = OpaqueByValueType("HRReference", "HtmlObj")

HRScrollbarState = Type("HRScrollbarState", "h")
URLSourceType = Type("URLSourceType", "H")
GrafPtr = OpaqueByValueType("GrafPtr", "GrafObj")
RgnHandle = OpaqueByValueType("RgnHandle", "ResObj")
char_ptr = Type("char *", "s")
StringPtr = Type("StringPtr", "s")

### An OptHandle is either a handle or None (in case NULL is passed in).
### This is needed for GetDialogItem().
##OptHandle = OpaqueByValueType("Handle", "OptResObj")
##
##ModalFilterProcPtr = InputOnlyType("PyObject*", "O")
##ModalFilterProcPtr.passInput = lambda name: "NewModalFilterProc(Dlg_PassFilterProc(%s))" % name
##ModalFilterUPP = ModalFilterProcPtr
##
##
##DITLMethod = Type("DITLMethod", "h")
##DialogItemIndex = Type("DialogItemIndex", "h")
##DialogItemType = Type("DialogItemType", "h")
##DialogItemIndexZeroBased = Type("DialogItemIndexZeroBased", "h")
##AlertType = Type("AlertType", "h")
##StringPtr = Str255
##EventMask = Type("EventMask", "h")
##
includestuff = includestuff + """
#include <HTMLRendering.h>
"""
##
###ifndef HAVE_UNIVERSAL_HEADERS
###define NewModalFilterProc(x) (x)
###endif
##
###define resNotFound -192 /* Can't include <Errors.h> because of Python's "errors.h" */
##
##/* XXX Shouldn't this be a stack? */
##static PyObject *Dlg_FilterProc_callback = NULL;
##
##static PyObject *DlgObj_New(DialogPtr); /* Forward */
##
##static pascal Boolean Dlg_UnivFilterProc(DialogPtr dialog,
##                                         EventRecord *event,
##                                         short *itemHit)
##{
##  Boolean rv;
##  PyObject *args, *res;
##  PyObject *callback = Dlg_FilterProc_callback;
##  if (callback == NULL)
##    return 0; /* Default behavior */
##  Dlg_FilterProc_callback = NULL; /* We'll restore it when call successful */
##  args = Py_BuildValue("O&O&", WinObj_WhichWindow, dialog, PyMac_BuildEventRecord, event);
##  if (args == NULL)
##    res = NULL;
##  else {
##    res = PyEval_CallObject(callback, args);
##    Py_DECREF(args);
##  }
##  if (res == NULL) {
##    PySys_WriteStderr("Exception in Dialog Filter\\n");
##    PyErr_Print();
##    *itemHit = -1; /* Fake return item */
##    return 1; /* We handled it */
##  }
##  else {
##    Dlg_FilterProc_callback = callback;
##    if (PyInt_Check(res)) {
##      *itemHit = PyInt_AsLong(res);
##      rv = 1;
##    }
##    else
##      rv = PyObject_IsTrue(res);
##  }
##  Py_DECREF(res);
##  return rv;
##}
##
##static ModalFilterProcPtr
##Dlg_PassFilterProc(PyObject *callback)
##{
##  PyObject *tmp = Dlg_FilterProc_callback;
##  Dlg_FilterProc_callback = NULL;
##  if (callback == Py_None) {
##    Py_XDECREF(tmp);
##    return NULL;
##  }
##  Py_INCREF(callback);
##  Dlg_FilterProc_callback = callback;
##  Py_XDECREF(tmp);
##  return &Dlg_UnivFilterProc;
##}
##
##static PyObject *Dlg_UserItemProc_callback = NULL;
##
##static pascal void Dlg_UnivUserItemProc(DialogPtr dialog,
##                                         short item)
##{
##  PyObject *args, *res;
##
##  if (Dlg_UserItemProc_callback == NULL)
##    return; /* Default behavior */
##  Dlg_FilterProc_callback = NULL; /* We'll restore it when call successful */
##  args = Py_BuildValue("O&h", WinObj_WhichWindow, dialog, item);
##  if (args == NULL)
##    res = NULL;
##  else {
##    res = PyEval_CallObject(Dlg_UserItemProc_callback, args);
##    Py_DECREF(args);
##  }
##  if (res == NULL) {
##    PySys_WriteStderr("Exception in Dialog UserItem proc\\n");
##    PyErr_Print();
##  }
##  Py_XDECREF(res);
##  return;
##}
##
##extern PyMethodChain WinObj_chain;
##"""
##

# Define a class which specializes our object definition
class MyObjectDefinition(GlobalObjectDefinition):
  pass
##  def __init__(self, name, prefix = None, itselftype = None):
##    GlobalObjectDefinition.__init__(self, name, prefix, itselftype)
##    self.basechain = "&WinObj_chain"
##  def outputInitStructMembers(self):
##    GlobalObjectDefinition.outputInitStructMembers(self)
##    Output("SetWRefCon(itself, (long)it);")
##  def outputCheckNewArg(self):
##    Output("if (itself == NULL) return Py_None;")
##  def outputCheckConvertArg(self):
##    Output("if (v == Py_None) { *p_itself = NULL; return 1; }")
##    Output("if (PyInt_Check(v)) { *p_itself = (DialogPtr)PyInt_AsLong(v);")
##    Output("                      return 1; }")
  def outputFreeIt(self, itselfname):
    Output("HRDisposeReference(%s);", itselfname)

# Create the generator groups and link them
module = MacModule('HtmlRender', 'Html', includestuff, finalstuff, initstuff)
object = MyObjectDefinition('HtmlObject', 'HtmlObj', 'HRReference')
module.addobject(object)

# Create the generator classes used to populate the lists
Function = OSErrFunctionGenerator
Method = OSErrMethodGenerator

# Create and populate the lists
functions = []
methods = []
execfile("htmlgen.py")

f = Function(int, 'HRHTMLRenderingLibAvailable')
functions.append(f)

# add the populated lists to the generator groups
for f in functions: module.add(f)
for f in methods: object.add(f)

### Some methods that are currently macro's in C, but will be real routines
### in MacOS 8.
##
##f = Method(ExistingDialogPtr, 'GetDialogWindow', (DialogRef, 'dialog', InMode))
##object.add(f)
##f = Method(SInt16, 'GetDialogDefaultItem', (DialogRef, 'dialog', InMode))
##object.add(f)
##f = Method(SInt16, 'GetDialogCancelItem', (DialogRef, 'dialog', InMode))
##object.add(f)
##f = Method(SInt16, 'GetDialogKeyboardFocusItem', (DialogRef, 'dialog', InMode))
##object.add(f)
##f = Method(void, 'SetGrafPortOfDialog', (DialogRef, 'dialog', InMode))
##object.add(f)
##
##setuseritembody = """
##  PyObject *new = NULL;
##  
##  
##  if (!PyArg_ParseTuple(_args, "|O", &new))
##    return NULL;
##
##  if (Dlg_UserItemProc_callback && new && new != Py_None) {
##    PyErr_SetString(Dlg_Error, "Another UserItemProc is already installed");
##    return NULL;
##  }
##  
##  if (new == Py_None) {
##    new = NULL;
##    _res = Py_None;
##    Py_INCREF(Py_None);
##  } else {
##    Py_INCREF(new);
##    _res = Py_BuildValue("O&", ResObj_New, (Handle)NewUserItemProc(Dlg_UnivUserItemProc));
##  }
##  
##  Dlg_UserItemProc_callback = new;
##  return _res;
##"""
##f = ManualGenerator("SetUserItemHandler", setuseritembody)
##module.add(f)

# generate output
SetOutputFileName('HtmlRendermodule.c')
module.generate()
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