/Mac/Modules/scrap/_Scrapmodule.c
http://unladen-swallow.googlecode.com/ · C · 365 lines · 308 code · 50 blank · 7 comment · 61 complexity · 246fbb0181d44d99f4570585617e5a80 MD5 · raw file
- /* ========================= Module _Scrap ========================== */
- #include "Python.h"
- #ifndef __LP64__
- #include "pymactoolbox.h"
- /* Macro to test whether a weak-loaded CFM function exists */
- #define PyMac_PRECHECK(rtn) do { if ( &rtn == NULL ) {\
- PyErr_SetString(PyExc_NotImplementedError, \
- "Not available in this shared library/OS version"); \
- return NULL; \
- }} while(0)
- #include <Carbon/Carbon.h>
- static PyObject *Scrap_Error;
- /* ----------------------- Object type Scrap ------------------------ */
- PyTypeObject Scrap_Type;
- #define ScrapObj_Check(x) ((x)->ob_type == &Scrap_Type || PyObject_TypeCheck((x), &Scrap_Type))
- typedef struct ScrapObject {
- PyObject_HEAD
- ScrapRef ob_itself;
- } ScrapObject;
- PyObject *ScrapObj_New(ScrapRef itself)
- {
- ScrapObject *it;
- it = PyObject_NEW(ScrapObject, &Scrap_Type);
- if (it == NULL) return NULL;
- it->ob_itself = itself;
- return (PyObject *)it;
- }
- int ScrapObj_Convert(PyObject *v, ScrapRef *p_itself)
- {
- if (!ScrapObj_Check(v))
- {
- PyErr_SetString(PyExc_TypeError, "Scrap required");
- return 0;
- }
- *p_itself = ((ScrapObject *)v)->ob_itself;
- return 1;
- }
- static void ScrapObj_dealloc(ScrapObject *self)
- {
- /* Cleanup of self->ob_itself goes here */
- self->ob_type->tp_free((PyObject *)self);
- }
- static PyObject *ScrapObj_GetScrapFlavorFlags(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- ScrapFlavorType flavorType;
- ScrapFlavorFlags flavorFlags;
- if (!PyArg_ParseTuple(_args, "O&",
- PyMac_GetOSType, &flavorType))
- return NULL;
- _err = GetScrapFlavorFlags(_self->ob_itself,
- flavorType,
- &flavorFlags);
- if (_err != noErr) return PyMac_Error(_err);
- _res = Py_BuildValue("l",
- flavorFlags);
- return _res;
- }
- static PyObject *ScrapObj_GetScrapFlavorSize(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- ScrapFlavorType flavorType;
- Size byteCount;
- if (!PyArg_ParseTuple(_args, "O&",
- PyMac_GetOSType, &flavorType))
- return NULL;
- _err = GetScrapFlavorSize(_self->ob_itself,
- flavorType,
- &byteCount);
- if (_err != noErr) return PyMac_Error(_err);
- _res = Py_BuildValue("l",
- byteCount);
- return _res;
- }
- static PyObject *ScrapObj_GetScrapFlavorData(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- ScrapFlavorType flavorType;
- Size byteCount;
- if (!PyArg_ParseTuple(_args, "O&",
- PyMac_GetOSType, &flavorType))
- return NULL;
- _err = GetScrapFlavorSize(_self->ob_itself,
- flavorType,
- &byteCount);
- if (_err != noErr) return PyMac_Error(_err);
- _res = PyString_FromStringAndSize(NULL, (int)byteCount);
- if ( _res == NULL ) return NULL;
- _err = GetScrapFlavorData(_self->ob_itself,
- flavorType,
- &byteCount,
- PyString_AS_STRING(_res));
- if (_err != noErr) {
- Py_XDECREF(_res);
- return PyMac_Error(_err);
- }
- return _res;
- }
- static PyObject *ScrapObj_PutScrapFlavor(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- ScrapFlavorType flavorType;
- ScrapFlavorFlags flavorFlags;
- char *flavorData__in__;
- int flavorData__in_len__;
- if (!PyArg_ParseTuple(_args, "O&Ks#",
- PyMac_GetOSType, &flavorType,
- &flavorFlags,
- &flavorData__in__, &flavorData__in_len__))
- return NULL;
- _err = PutScrapFlavor(_self->ob_itself,
- flavorType,
- flavorFlags,
- (Size)flavorData__in_len__,
- flavorData__in__);
- if (_err != noErr) return PyMac_Error(_err);
- Py_INCREF(Py_None);
- _res = Py_None;
- return _res;
- }
- static PyObject *ScrapObj_GetScrapFlavorCount(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- UInt32 infoCount;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = GetScrapFlavorCount(_self->ob_itself,
- &infoCount);
- if (_err != noErr) return PyMac_Error(_err);
- _res = Py_BuildValue("l",
- infoCount);
- return _res;
- }
- static PyObject *ScrapObj_GetScrapFlavorInfoList(ScrapObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- PyObject *item;
- OSStatus _err;
- UInt32 infoCount;
- ScrapFlavorInfo *infolist = NULL;
- int i;
-
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = GetScrapFlavorCount(_self->ob_itself,
- &infoCount);
- if (_err != noErr) return PyMac_Error(_err);
- if (infoCount == 0) return Py_BuildValue("[]");
-
- if ((infolist = (ScrapFlavorInfo *)malloc(infoCount*sizeof(ScrapFlavorInfo))) == NULL )
- return PyErr_NoMemory();
-
- _err = GetScrapFlavorInfoList(_self->ob_itself, &infoCount, infolist);
- if (_err != noErr) {
- free(infolist);
- return NULL;
- }
- if ((_res = PyList_New(infoCount)) == NULL ) {
- free(infolist);
- return NULL;
- }
- for(i=0; i<infoCount; i++) {
- item = Py_BuildValue("O&l", PyMac_BuildOSType, infolist[i].flavorType,
- infolist[i].flavorFlags);
- if ( !item || PyList_SetItem(_res, i, item) < 0 ) {
- Py_DECREF(_res);
- free(infolist);
- return NULL;
- }
- }
- free(infolist);
- return _res;
- }
- static PyMethodDef ScrapObj_methods[] = {
- {"GetScrapFlavorFlags", (PyCFunction)ScrapObj_GetScrapFlavorFlags, 1,
- PyDoc_STR("(ScrapFlavorType flavorType) -> (ScrapFlavorFlags flavorFlags)")},
- {"GetScrapFlavorSize", (PyCFunction)ScrapObj_GetScrapFlavorSize, 1,
- PyDoc_STR("(ScrapFlavorType flavorType) -> (Size byteCount)")},
- {"GetScrapFlavorData", (PyCFunction)ScrapObj_GetScrapFlavorData, 1,
- PyDoc_STR("(ScrapFlavorType flavorType, Buffer destination) -> (Size byteCount)")},
- {"PutScrapFlavor", (PyCFunction)ScrapObj_PutScrapFlavor, 1,
- PyDoc_STR("(ScrapFlavorType flavorType, ScrapFlavorFlags flavorFlags, Size flavorSize, Buffer flavorData) -> None")},
- {"GetScrapFlavorCount", (PyCFunction)ScrapObj_GetScrapFlavorCount, 1,
- PyDoc_STR("() -> (UInt32 infoCount)")},
- {"GetScrapFlavorInfoList", (PyCFunction)ScrapObj_GetScrapFlavorInfoList, 1,
- PyDoc_STR("() -> ([(ScrapFlavorType, ScrapFlavorInfo), ...])")},
- {NULL, NULL, 0}
- };
- PyMethodChain ScrapObj_chain = { ScrapObj_methods, NULL };
- static PyObject *ScrapObj_getattr(ScrapObject *self, char *name)
- {
- return Py_FindMethodInChain(&ScrapObj_chain, (PyObject *)self, name);
- }
- #define ScrapObj_setattr NULL
- #define ScrapObj_compare NULL
- #define ScrapObj_repr NULL
- #define ScrapObj_hash NULL
- PyTypeObject Scrap_Type = {
- PyObject_HEAD_INIT(NULL)
- 0, /*ob_size*/
- "_Scrap.Scrap", /*tp_name*/
- sizeof(ScrapObject), /*tp_basicsize*/
- 0, /*tp_itemsize*/
- /* methods */
- (destructor) ScrapObj_dealloc, /*tp_dealloc*/
- 0, /*tp_print*/
- (getattrfunc) ScrapObj_getattr, /*tp_getattr*/
- (setattrfunc) ScrapObj_setattr, /*tp_setattr*/
- (cmpfunc) ScrapObj_compare, /*tp_compare*/
- (reprfunc) ScrapObj_repr, /*tp_repr*/
- (PyNumberMethods *)0, /* tp_as_number */
- (PySequenceMethods *)0, /* tp_as_sequence */
- (PyMappingMethods *)0, /* tp_as_mapping */
- (hashfunc) ScrapObj_hash, /*tp_hash*/
- };
- /* --------------------- End object type Scrap ---------------------- */
- static PyObject *Scrap_LoadScrap(PyObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = LoadScrap();
- if (_err != noErr) return PyMac_Error(_err);
- Py_INCREF(Py_None);
- _res = Py_None;
- return _res;
- }
- static PyObject *Scrap_UnloadScrap(PyObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = UnloadScrap();
- if (_err != noErr) return PyMac_Error(_err);
- Py_INCREF(Py_None);
- _res = Py_None;
- return _res;
- }
- static PyObject *Scrap_GetCurrentScrap(PyObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- ScrapRef scrap;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = GetCurrentScrap(&scrap);
- if (_err != noErr) return PyMac_Error(_err);
- _res = Py_BuildValue("O&",
- ScrapObj_New, scrap);
- return _res;
- }
- static PyObject *Scrap_ClearCurrentScrap(PyObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = ClearCurrentScrap();
- if (_err != noErr) return PyMac_Error(_err);
- Py_INCREF(Py_None);
- _res = Py_None;
- return _res;
- }
- static PyObject *Scrap_CallInScrapPromises(PyObject *_self, PyObject *_args)
- {
- PyObject *_res = NULL;
- OSStatus _err;
- if (!PyArg_ParseTuple(_args, ""))
- return NULL;
- _err = CallInScrapPromises();
- if (_err != noErr) return PyMac_Error(_err);
- Py_INCREF(Py_None);
- _res = Py_None;
- return _res;
- }
- #endif /* __LP64__ */
- static PyMethodDef Scrap_methods[] = {
- #ifndef __LP64__
- {"LoadScrap", (PyCFunction)Scrap_LoadScrap, 1,
- PyDoc_STR("() -> None")},
- {"UnloadScrap", (PyCFunction)Scrap_UnloadScrap, 1,
- PyDoc_STR("() -> None")},
- {"GetCurrentScrap", (PyCFunction)Scrap_GetCurrentScrap, 1,
- PyDoc_STR("() -> (ScrapRef scrap)")},
- {"ClearCurrentScrap", (PyCFunction)Scrap_ClearCurrentScrap, 1,
- PyDoc_STR("() -> None")},
- {"CallInScrapPromises", (PyCFunction)Scrap_CallInScrapPromises, 1,
- PyDoc_STR("() -> None")},
- #endif /* __LP64__ */
- {NULL, NULL, 0}
- };
- void init_Scrap(void)
- {
- PyObject *m;
- #ifndef __LP64__
- PyObject *d;
- #endif /* __LP64__ */
- m = Py_InitModule("_Scrap", Scrap_methods);
- #ifndef __LP64__
- d = PyModule_GetDict(m);
- Scrap_Error = PyMac_GetOSErrException();
- if (Scrap_Error == NULL ||
- PyDict_SetItemString(d, "Error", Scrap_Error) != 0)
- return;
- Scrap_Type.ob_type = &PyType_Type;
- Py_INCREF(&Scrap_Type);
- if (PyDict_SetItemString(d, "ScrapType", (PyObject *)&Scrap_Type) != 0)
- Py_FatalError("can't initialize ScrapType");
- #endif /* __LP64__ */
- }
- /* ======================= End module _Scrap ======================== */