Mac/Modules/res/resedit.py

   1 resource_body = """
   2 char *buf;
   3 int len;
   4 Handle h;
   5
   6 if (!PyArg_ParseTuple(_args, "s#", &buf, &len))
   7         return NULL;
   8 h = NewHandle(len);
   9 if ( h == NULL ) {
  10         PyErr_NoMemory();
  11         return NULL;
  12 }
  13 HLock(h);
  14 memcpy(*h, buf, len);
  15 HUnlock(h);
  16 return ResObj_New(h);
  17 """
  18
  19 f = ManualGenerator("Resource", resource_body)
  20 f.docstring = lambda: """Convert a string to a resource object.
  21
  22 The created resource object is actually just a handle,
  23 apply AddResource() to write it to a resource file.
  24 See also the Handle() docstring.
  25 """
  26 functions.append(f)
  27
  28 handle_body = """
  29 char *buf;
  30 int len;
  31 Handle h;
  32 ResourceObject *rv;
  33
  34 if (!PyArg_ParseTuple(_args, "s#", &buf, &len))
  35         return NULL;
  36 h = NewHandle(len);
  37 if ( h == NULL ) {
  38         PyErr_NoMemory();
  39         return NULL;
  40 }
  41 HLock(h);
  42 memcpy(*h, buf, len);
  43 HUnlock(h);
  44 rv = (ResourceObject *)ResObj_New(h);
  45 rv->ob_freeit = PyMac_AutoDisposeHandle;
  46 return (PyObject *)rv;
  47 """
  48
  49 f = ManualGenerator("Handle", handle_body)
  50 f.docstring = lambda: """Convert a string to a Handle object.
  51
  52 Resource() and Handle() are very similar, but objects created with Handle() are
  53 by default automatically DisposeHandle()d upon object cleanup. Use AutoDispose()
  54 to change this.
  55 """
  56 functions.append(f)
  57
  58 # Convert resources to other things.
  59
  60 as_xxx_body = """
  61 return %sObj_New((%sHandle)_self->ob_itself);
  62 """
  63
  64 def genresconverter(longname, shortname):
  65
  66         f = ManualGenerator("as_%s"%longname, as_xxx_body%(shortname, longname))
  67         docstring =  "Return this resource/handle as a %s"%longname
  68         f.docstring = lambda docstring=docstring: docstring
  69         return f
  70
  71 resmethods.append(genresconverter("Control", "Ctl"))
  72 resmethods.append(genresconverter("Menu", "Menu"))
  73
  74 # The definition of this one is MacLoadResource, so we do it by hand...
  75
  76 f = ResMethod(void, 'LoadResource',
  77     (Handle, 'theResource', InMode),
  78 )
  79 resmethods.append(f)
  80
  81 #
  82 # A method to set the auto-dispose flag
  83 #
  84 AutoDispose_body = """
  85 int onoff, old = 0;
  86 if (!PyArg_ParseTuple(_args, "i", &onoff))
  87         return NULL;
  88 if ( _self->ob_freeit )
  89         old = 1;
  90 if ( onoff )
  91         _self->ob_freeit = PyMac_AutoDisposeHandle;
  92 else
  93         _self->ob_freeit = NULL;
  94 return Py_BuildValue("i", old);
  95 """
  96 f = ManualGenerator("AutoDispose", AutoDispose_body)
  97 f.docstring = lambda: "(int)->int. Automatically DisposeHandle the object on Python object cleanup"
  98 resmethods.append(f)