[ca568f]: Mac / Modules / cf / pycfbridge.c Maximize Restore History

Repo status: analyzing...

Download this file

pycfbridge.c    303 lines (274 with data), 7.7 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
/*
** Convert objects from Python to CoreFoundation and vice-versa.
*/
#include <CoreServices/CoreServices.h>
#include "Python.h"
#include "pymactoolbox.h"
#include "pycfbridge.h"
/* ---------------------------------------- */
/* CoreFoundation objects to Python objects */
/* ---------------------------------------- */
PyObject *
PyCF_CF2Python(CFTypeRef src) {
CFTypeID typeid;
if( src == NULL ) {
Py_INCREF(Py_None);
return Py_None;
}
typeid = CFGetTypeID(src);
if (typeid == CFArrayGetTypeID())
return PyCF_CF2Python_sequence((CFArrayRef)src);
if (typeid == CFDictionaryGetTypeID())
return PyCF_CF2Python_mapping((CFDictionaryRef)src);
return PyCF_CF2Python_simple(src);
}
PyObject *
PyCF_CF2Python_sequence(CFArrayRef src) {
int size = CFArrayGetCount(src);
PyObject *rv;
CFTypeRef item_cf;
PyObject *item_py = NULL;
int i;
if ( (rv=PyList_New(size)) == NULL )
return NULL;
for(i=0; i<size; i++) {
item_cf = CFArrayGetValueAtIndex(src, i);
if (item_cf == NULL ) goto err;
item_py = PyCF_CF2Python(item_cf);
if (item_py == NULL ) goto err;
if (PyList_SetItem(rv, i, item_py) < 0) goto err;
item_py = NULL;
}
return rv;
err:
Py_XDECREF(item_py);
Py_DECREF(rv);
return NULL;
}
PyObject *
PyCF_CF2Python_mapping(CFTypeRef src) {
int size = CFDictionaryGetCount(src);
PyObject *rv = NULL;
CFTypeRef *allkeys = NULL, *allvalues = NULL;
CFTypeRef key_cf, value_cf;
PyObject *key_py = NULL, *value_py = NULL;
int i;
allkeys = malloc(size*sizeof(CFTypeRef *));
if (allkeys == NULL) {
PyErr_NoMemory();
goto err;
}
allvalues = malloc(size*sizeof(CFTypeRef *));
if (allvalues == NULL) {
PyErr_NoMemory();
goto err;
}
if ( (rv=PyDict_New()) == NULL ) goto err;
CFDictionaryGetKeysAndValues(src, allkeys, allvalues);
for(i=0; i<size; i++) {
key_cf = allkeys[i];
value_cf = allvalues[i];
key_py = PyCF_CF2Python(key_cf);
if (key_py == NULL ) goto err;
value_py = PyCF_CF2Python(value_cf);
if (value_py == NULL ) goto err;
if (PyDict_SetItem(rv, key_py, value_py) < 0) goto err;
key_py = NULL;
value_py = NULL;
}
return rv;
err:
Py_XDECREF(key_py);
Py_XDECREF(value_py);
Py_XDECREF(rv);
free(allkeys);
free(allvalues);
return NULL;
}
PyObject *
PyCF_CF2Python_simple(CFTypeRef src) {
CFTypeID typeid;
typeid = CFGetTypeID(src);
if (typeid == CFStringGetTypeID())
return PyCF_CF2Python_string((CFStringRef)src);
if (typeid == CFBooleanGetTypeID())
return PyBool_FromLong((long)CFBooleanGetValue(src));
if (typeid == CFNumberGetTypeID()) {
if (CFNumberIsFloatType(src)) {
double d;
CFNumberGetValue(src, kCFNumberDoubleType, &d);
return PyFloat_FromDouble(d);
} else {
long l;
if (!CFNumberGetValue(src, kCFNumberLongType, &l))
/* XXXX Out of range! */;
return PyInt_FromLong(l);
}
}
/* XXXX Should return as CFTypeRef, really... */
PyMac_Error(resNotFound);
return NULL;
}
/* Unsure - Return unicode or 8 bit strings? */
PyObject *
PyCF_CF2Python_string(CFStringRef src) {
int size = CFStringGetLength(src)+1;
Py_UNICODE *data = malloc(size*sizeof(Py_UNICODE));
CFRange range;
PyObject *rv;
range.location = 0;
range.length = size;
if( data == NULL ) return PyErr_NoMemory();
CFStringGetCharacters(src, range, data);
rv = (PyObject *)PyUnicode_FromUnicode(data, size-1);
free(data);
return rv;
}
/* ---------------------------------------- */
/* Python objects to CoreFoundation objects */
/* ---------------------------------------- */
int
PyCF_Python2CF(PyObject *src, CFTypeRef *dst) {
if (PyString_Check(src) || PyUnicode_Check(src))
return PyCF_Python2CF_simple(src, dst);
if (PySequence_Check(src))
return PyCF_Python2CF_sequence(src, (CFArrayRef *)dst);
if (PyMapping_Check(src))
return PyCF_Python2CF_mapping(src, (CFDictionaryRef *)dst);
return PyCF_Python2CF_simple(src, dst);
}
int
PyCF_Python2CF_sequence(PyObject *src, CFArrayRef *dst) {
CFMutableArrayRef rv = NULL;
CFTypeRef item_cf = NULL;
PyObject *item_py = NULL;
int size, i;
if( !PySequence_Check(src) ) {
PyErr_Format(PyExc_TypeError,
"Cannot convert %.500s objects to CFArray",
src->ob_type->tp_name);
return 0;
}
size = PySequence_Size(src);
rv = CFArrayCreateMutable((CFAllocatorRef)NULL, size, &kCFTypeArrayCallBacks);
if (rv == NULL) {
PyMac_Error(resNotFound);
goto err;
}
for( i=0; i<size; i++) {
item_py = PySequence_GetItem(src, i);
if (item_py == NULL) goto err;
if ( !PyCF_Python2CF(item_py, &item_cf)) goto err;
Py_DECREF(item_py);
CFArraySetValueAtIndex(rv, i, item_cf);
CFRelease(item_cf);
item_cf = NULL;
}
*dst = rv;
return 1;
err:
Py_XDECREF(item_py);
if (rv) CFRelease(rv);
if (item_cf) CFRelease(item_cf);
return 0;
}
int
PyCF_Python2CF_mapping(PyObject *src, CFDictionaryRef *dst) {
CFMutableDictionaryRef rv = NULL;
PyObject *aslist = NULL;
CFTypeRef key_cf = NULL, value_cf = NULL;
PyObject *item_py = NULL, *key_py = NULL, *value_py = NULL;
int size, i;
if( !PyMapping_Check(src) ) {
PyErr_Format(PyExc_TypeError,
"Cannot convert %.500s objects to CFDictionary",
src->ob_type->tp_name);
return 0;
}
size = PyMapping_Size(src);
rv = CFDictionaryCreateMutable((CFAllocatorRef)NULL, size,
&kCFTypeDictionaryKeyCallBacks,
&kCFTypeDictionaryValueCallBacks);
if (rv == NULL) {
PyMac_Error(resNotFound);
goto err;
}
if ( (aslist = PyMapping_Items(src)) == NULL ) goto err;
for( i=0; i<size; i++) {
item_py = PySequence_GetItem(aslist, i);
if (item_py == NULL) goto err;
if (!PyArg_ParseTuple(item_py, "OO", &key_py, &value_py)) goto err;
if ( !PyCF_Python2CF(key_py, &key_cf) ) goto err;
if ( !PyCF_Python2CF(value_py, &value_cf) ) goto err;
CFDictionaryAddValue(rv, key_cf, value_cf);
CFRelease(key_cf);
key_cf = NULL;
CFRelease(value_cf);
value_cf = NULL;
}
*dst = rv;
return 1;
err:
Py_XDECREF(item_py);
Py_XDECREF(aslist);
if (rv) CFRelease(rv);
if (key_cf) CFRelease(key_cf);
if (value_cf) CFRelease(value_cf);
return 0;
}
int
PyCF_Python2CF_simple(PyObject *src, CFTypeRef *dst) {
#if 0
if (PyObject_HasAttrString(src, "CFType")) {
*dst = PyObject_CallMethod(src, "CFType", "");
return (*dst != NULL);
}
#endif
if (PyString_Check(src) || PyUnicode_Check(src))
return PyCF_Python2CF_string(src, (CFStringRef *)dst);
if (PyBool_Check(src)) {
if (src == Py_True)
*dst = kCFBooleanTrue;
else
*dst = kCFBooleanFalse;
return 1;
}
if (PyInt_Check(src)) {
long v = PyInt_AsLong(src);
*dst = CFNumberCreate(NULL, kCFNumberLongType, &v);
return 1;
}
if (PyFloat_Check(src)) {
double d = PyFloat_AsDouble(src);
*dst = CFNumberCreate(NULL, kCFNumberDoubleType, &d);
return 1;
}
PyErr_Format(PyExc_TypeError,
"Cannot convert %.500s objects to CFType",
src->ob_type->tp_name);
return 0;
}
int
PyCF_Python2CF_string(PyObject *src, CFStringRef *dst) {
char *chars;
CFIndex size;
UniChar *unichars;
if (PyString_Check(src)) {
if (!PyArg_Parse(src, "es", "ascii", &chars))
return 0; /* This error is more descriptive than the general one below */
*dst = CFStringCreateWithCString((CFAllocatorRef)NULL, chars, kCFStringEncodingASCII);
return 1;
}
if (PyUnicode_Check(src)) {
/* We use the CF types here, if Python was configured differently that will give an error */
size = PyUnicode_GetSize(src);
if ((unichars = PyUnicode_AsUnicode(src)) == NULL ) goto err;
*dst = CFStringCreateWithCharacters((CFAllocatorRef)NULL, unichars, size);
return 1;
}
err:
PyErr_Format(PyExc_TypeError,
"Cannot convert %.500s objects to CFString",
src->ob_type->tp_name);
return 0;
}