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Handles were never disposed. Added an AutoDispose(onoff) method to control this.

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Also added a Handle() function which is like Resource() but has auto-dispose on by default.
This commit is contained in:
Jack Jansen 2000-03-08 16:58:15 +00:00
parent a17e0f1b61
commit add03b62fd
3 changed files with 143 additions and 10 deletions
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56
Mac/Modules/res/resedit.py
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@ -13,14 +13,45 @@ if ( h == NULL ) {
HLock(h);
memcpy(*h, buf, len);
HUnlock(h);
return (PyObject *)ResObj_New(h);
return ResObj_New(h);
"""
f = ManualGenerator("Resource", resource_body)
f.docstring = lambda: """Convert a string to a resource object.
The created resource object is actually just a handle.
Apply AddResource() to write it to a resource file.
The created resource object is actually just a handle,
apply AddResource() to write it to a resource file.
See also the Handle() docstring.
"""
functions.append(f)
handle_body = """
char *buf;
int len;
Handle h;
ResourceObject *rv;
if (!PyArg_ParseTuple(_args, "s#", &buf, &len))
return NULL;
h = NewHandle(len);
if ( h == NULL ) {
PyErr_NoMemory();
return NULL;
}
HLock(h);
memcpy(*h, buf, len);
HUnlock(h);
rv = (ResourceObject *)ResObj_New(h);
rv->ob_freeit = PyMac_AutoDisposeHandle;
return (PyObject *)rv;
"""
f = ManualGenerator("Handle", handle_body)
f.docstring = lambda: """Convert a string to a Handle object.
Resource() and Handle() are very similar, but objects created with Handle() are
by default automatically DisposeHandle()d upon object cleanup. Use AutoDispose()
to change this.
"""
functions.append(f)
@ -46,3 +77,22 @@ f = ResMethod(void, 'LoadResource',
(Handle, 'theResource', InMode),
)
resmethods.append(f)
#
# A method to set the auto-dispose flag
#
AutoDispose_body = """
int onoff, old = 0;
if (!PyArg_ParseTuple(_args, "i", &onoff))
return NULL;
if ( _self->ob_freeit )
old = 1;
if ( onoff )
_self->ob_freeit = PyMac_AutoDisposeHandle;
else
_self->ob_freeit = NULL;
return Py_BuildValue("i", old);
"""
f = ManualGenerator("AutoDispose", AutoDispose_body)
f.docstring = lambda: "(int)->int. Automatically DisposeHandle the object on Python object cleanup"
resmethods.append(f)