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1 | /*********************************************************************** | |
2 | * $Header$ | |
3 | * swig_lib/python/python.cfg | |
4 | * | |
5 | * Contains variable linking and pointer type-checking code. | |
6 | ************************************************************************/ | |
7 | ||
8 | #include <string.h> | |
9 | #include <stdlib.h> | |
10 | ||
11 | #include "Python.h" | |
12 | ||
13 | #ifdef __cplusplus | |
14 | extern "C" { | |
15 | #endif | |
16 | ||
17 | /* Definitions for Windows/Unix exporting */ | |
18 | #if defined(_WIN32) || defined(__WIN32__) | |
19 | # if defined(_MSC_VER) | |
20 | # define SWIGEXPORT(a) __declspec(dllexport) a | |
21 | # else | |
22 | # if defined(__BORLANDC__) | |
23 | # define SWIGEXPORT(a) a _export | |
24 | # else | |
25 | # define SWIGEXPORT(a) a | |
26 | # endif | |
27 | # endif | |
28 | #else | |
29 | # define SWIGEXPORT(a) a | |
30 | #endif | |
31 | ||
32 | #ifdef SWIG_GLOBAL | |
33 | #define SWIGSTATICRUNTIME(a) SWIGEXPORT(a) | |
34 | #else | |
35 | #define SWIGSTATICRUNTIME(a) static a | |
36 | #endif | |
37 | ||
38 | typedef struct { | |
39 | char *name; | |
40 | PyObject *(*get_attr)(void); | |
41 | int (*set_attr)(PyObject *); | |
42 | } swig_globalvar; | |
43 | ||
44 | typedef struct swig_varlinkobject { | |
45 | PyObject_HEAD | |
46 | swig_globalvar **vars; | |
47 | int nvars; | |
48 | int maxvars; | |
49 | } swig_varlinkobject; | |
50 | ||
51 | /* ---------------------------------------------------------------------- | |
52 | swig_varlink_repr() | |
53 | ||
54 | Function for python repr method | |
55 | ---------------------------------------------------------------------- */ | |
56 | ||
57 | static PyObject * | |
58 | swig_varlink_repr(swig_varlinkobject *v) | |
59 | { | |
60 | v = v; | |
61 | return PyString_FromString("<Global variables>"); | |
62 | } | |
63 | ||
64 | /* --------------------------------------------------------------------- | |
65 | swig_varlink_print() | |
66 | ||
67 | Print out all of the global variable names | |
68 | --------------------------------------------------------------------- */ | |
69 | ||
70 | static int | |
71 | swig_varlink_print(swig_varlinkobject *v, FILE *fp, int flags) | |
72 | { | |
73 | ||
74 | int i = 0; | |
75 | flags = flags; | |
76 | fprintf(fp,"Global variables { "); | |
77 | while (v->vars[i]) { | |
78 | fprintf(fp,"%s", v->vars[i]->name); | |
79 | i++; | |
80 | if (v->vars[i]) fprintf(fp,", "); | |
81 | } | |
82 | fprintf(fp," }\n"); | |
83 | return 0; | |
84 | } | |
85 | ||
86 | /* -------------------------------------------------------------------- | |
87 | swig_varlink_getattr | |
88 | ||
89 | This function gets the value of a variable and returns it as a | |
90 | PyObject. In our case, we'll be looking at the datatype and | |
91 | converting into a number or string | |
92 | -------------------------------------------------------------------- */ | |
93 | ||
94 | static PyObject * | |
95 | swig_varlink_getattr(swig_varlinkobject *v, char *n) | |
96 | { | |
97 | int i = 0; | |
98 | char temp[128]; | |
99 | ||
100 | while (v->vars[i]) { | |
101 | if (strcmp(v->vars[i]->name,n) == 0) { | |
102 | return (*v->vars[i]->get_attr)(); | |
103 | } | |
104 | i++; | |
105 | } | |
106 | sprintf(temp,"C global variable %s not found.", n); | |
107 | PyErr_SetString(PyExc_NameError,temp); | |
108 | return NULL; | |
109 | } | |
110 | ||
111 | /* ------------------------------------------------------------------- | |
112 | swig_varlink_setattr() | |
113 | ||
114 | This function sets the value of a variable. | |
115 | ------------------------------------------------------------------- */ | |
116 | ||
117 | static int | |
118 | swig_varlink_setattr(swig_varlinkobject *v, char *n, PyObject *p) | |
119 | { | |
120 | char temp[128]; | |
121 | int i = 0; | |
122 | while (v->vars[i]) { | |
123 | if (strcmp(v->vars[i]->name,n) == 0) { | |
124 | return (*v->vars[i]->set_attr)(p); | |
125 | } | |
126 | i++; | |
127 | } | |
128 | sprintf(temp,"C global variable %s not found.", n); | |
129 | PyErr_SetString(PyExc_NameError,temp); | |
130 | return 1; | |
131 | } | |
132 | ||
133 | statichere PyTypeObject varlinktype = { | |
134 | /* PyObject_HEAD_INIT(&PyType_Type) Note : This doesn't work on some machines */ | |
135 | PyObject_HEAD_INIT(0) | |
136 | 0, | |
137 | "varlink", /* Type name */ | |
138 | sizeof(swig_varlinkobject), /* Basic size */ | |
139 | 0, /* Itemsize */ | |
140 | 0, /* Deallocator */ | |
141 | (printfunc) swig_varlink_print, /* Print */ | |
142 | (getattrfunc) swig_varlink_getattr, /* get attr */ | |
143 | (setattrfunc) swig_varlink_setattr, /* Set attr */ | |
144 | 0, /* tp_compare */ | |
145 | (reprfunc) swig_varlink_repr, /* tp_repr */ | |
146 | 0, /* tp_as_number */ | |
147 | 0, /* tp_as_mapping*/ | |
148 | 0, /* tp_hash */ | |
149 | }; | |
150 | ||
151 | /* Create a variable linking object for use later */ | |
152 | ||
153 | SWIGSTATICRUNTIME(PyObject *) | |
154 | SWIG_newvarlink(void) | |
155 | { | |
156 | swig_varlinkobject *result = 0; | |
157 | result = PyMem_NEW(swig_varlinkobject,1); | |
158 | varlinktype.ob_type = &PyType_Type; /* Patch varlinktype into a PyType */ | |
159 | result->ob_type = &varlinktype; | |
160 | /* _Py_NewReference(result); Does not seem to be necessary */ | |
161 | result->nvars = 0; | |
162 | result->maxvars = 64; | |
163 | result->vars = (swig_globalvar **) malloc(64*sizeof(swig_globalvar *)); | |
164 | result->vars[0] = 0; | |
165 | result->ob_refcnt = 0; | |
166 | Py_XINCREF((PyObject *) result); | |
167 | return ((PyObject*) result); | |
168 | } | |
169 | ||
170 | SWIGSTATICRUNTIME(void) | |
171 | SWIG_addvarlink(PyObject *p, char *name, | |
172 | PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p)) | |
173 | { | |
174 | swig_varlinkobject *v; | |
175 | v= (swig_varlinkobject *) p; | |
176 | ||
177 | if (v->nvars >= v->maxvars -1) { | |
178 | v->maxvars = 2*v->maxvars; | |
179 | v->vars = (swig_globalvar **) realloc(v->vars,v->maxvars*sizeof(swig_globalvar *)); | |
180 | if (v->vars == NULL) { | |
181 | fprintf(stderr,"SWIG : Fatal error in initializing Python module.\n"); | |
182 | exit(1); | |
183 | } | |
184 | } | |
185 | v->vars[v->nvars] = (swig_globalvar *) malloc(sizeof(swig_globalvar)); | |
186 | v->vars[v->nvars]->name = (char *) malloc(strlen(name)+1); | |
187 | strcpy(v->vars[v->nvars]->name,name); | |
188 | v->vars[v->nvars]->get_attr = get_attr; | |
189 | v->vars[v->nvars]->set_attr = set_attr; | |
190 | v->nvars++; | |
191 | v->vars[v->nvars] = 0; | |
192 | } | |
193 | ||
194 | /* ----------------------------------------------------------------------------- | |
195 | * Pointer type-checking | |
196 | * ----------------------------------------------------------------------------- */ | |
197 | ||
198 | /* SWIG pointer structure */ | |
199 | typedef struct SwigPtrType { | |
200 | char *name; /* Datatype name */ | |
201 | int len; /* Length (used for optimization) */ | |
202 | void *(*cast)(void *); /* Pointer casting function */ | |
203 | struct SwigPtrType *next; /* Linked list pointer */ | |
204 | } SwigPtrType; | |
205 | ||
206 | /* Pointer cache structure */ | |
207 | typedef struct { | |
208 | int stat; /* Status (valid) bit */ | |
209 | SwigPtrType *tp; /* Pointer to type structure */ | |
210 | char name[256]; /* Given datatype name */ | |
211 | char mapped[256]; /* Equivalent name */ | |
212 | } SwigCacheType; | |
213 | ||
214 | static int SwigPtrMax = 64; /* Max entries that can be currently held */ | |
215 | static int SwigPtrN = 0; /* Current number of entries */ | |
216 | static int SwigPtrSort = 0; /* Status flag indicating sort */ | |
217 | static int SwigStart[256]; /* Starting positions of types */ | |
218 | static SwigPtrType *SwigPtrTable = 0; /* Table containing pointer equivalences */ | |
219 | ||
220 | /* Cached values */ | |
221 | #define SWIG_CACHESIZE 8 | |
222 | #define SWIG_CACHEMASK 0x7 | |
223 | static SwigCacheType SwigCache[SWIG_CACHESIZE]; | |
224 | static int SwigCacheIndex = 0; | |
225 | static int SwigLastCache = 0; | |
226 | ||
227 | /* Sort comparison function */ | |
228 | static int swigsort(const void *data1, const void *data2) { | |
229 | SwigPtrType *d1 = (SwigPtrType *) data1; | |
230 | SwigPtrType *d2 = (SwigPtrType *) data2; | |
231 | return strcmp(d1->name,d2->name); | |
232 | } | |
233 | ||
234 | /* Register a new datatype with the type-checker */ | |
235 | SWIGSTATICRUNTIME(void) | |
236 | SWIG_RegisterMapping(char *origtype, char *newtype, void *(*cast)(void *)) { | |
237 | int i; | |
238 | SwigPtrType *t = 0,*t1; | |
239 | ||
240 | /* Allocate the pointer table if necessary */ | |
241 | if (!SwigPtrTable) { | |
242 | SwigPtrTable = (SwigPtrType *) malloc(SwigPtrMax*sizeof(SwigPtrType)); | |
243 | } | |
244 | ||
245 | /* Grow the table */ | |
246 | if (SwigPtrN >= SwigPtrMax) { | |
247 | SwigPtrMax = 2*SwigPtrMax; | |
248 | SwigPtrTable = (SwigPtrType *) realloc((char *) SwigPtrTable,SwigPtrMax*sizeof(SwigPtrType)); | |
249 | } | |
250 | for (i = 0; i < SwigPtrN; i++) { | |
251 | if (strcmp(SwigPtrTable[i].name,origtype) == 0) { | |
252 | t = &SwigPtrTable[i]; | |
253 | break; | |
254 | } | |
255 | } | |
256 | if (!t) { | |
257 | t = &SwigPtrTable[SwigPtrN++]; | |
258 | t->name = origtype; | |
259 | t->len = strlen(t->name); | |
260 | t->cast = 0; | |
261 | t->next = 0; | |
262 | } | |
263 | ||
264 | /* Check for existing entries */ | |
265 | while (t->next) { | |
266 | if ((strcmp(t->name,newtype) == 0)) { | |
267 | if (cast) t->cast = cast; | |
268 | return; | |
269 | } | |
270 | t = t->next; | |
271 | } | |
272 | t1 = (SwigPtrType *) malloc(sizeof(SwigPtrType)); | |
273 | t1->name = newtype; | |
274 | t1->len = strlen(t1->name); | |
275 | t1->cast = cast; | |
276 | t1->next = 0; | |
277 | t->next = t1; | |
278 | SwigPtrSort = 0; | |
279 | } | |
280 | ||
281 | /* Make a pointer value string */ | |
282 | SWIGSTATICRUNTIME(void) | |
283 | SWIG_MakePtr(char *c, const void *ptr, char *type) { | |
284 | static char hex[17] = "0123456789abcdef"; | |
285 | unsigned long p, s; | |
286 | char result[24], *r; | |
287 | r = result; | |
288 | p = (unsigned long) ptr; | |
289 | if (p > 0) { | |
290 | while (p > 0) { | |
291 | s = p & 0xf; | |
292 | *(r++) = hex[s]; | |
293 | p = p >> 4; | |
294 | } | |
295 | *r = '_'; | |
296 | while (r >= result) | |
297 | *(c++) = *(r--); | |
298 | strcpy (c, type); | |
299 | } else { | |
300 | strcpy (c, "NULL"); | |
301 | } | |
302 | } | |
303 | ||
304 | /* Function for getting a pointer value */ | |
305 | SWIGSTATICRUNTIME(char *) | |
306 | SWIG_GetPtr(char *c, void **ptr, char *t) | |
307 | { | |
308 | unsigned long p; | |
309 | char temp_type[256], *name; | |
310 | int i, len, start, end; | |
311 | SwigPtrType *sp,*tp; | |
312 | SwigCacheType *cache; | |
313 | register int d; | |
314 | ||
315 | p = 0; | |
316 | /* Pointer values must start with leading underscore */ | |
317 | if (*c != '_') { | |
318 | *ptr = (void *) 0; | |
319 | if (strcmp(c,"NULL") == 0) return (char *) 0; | |
320 | else return c; | |
321 | } | |
322 | c++; | |
323 | /* Extract hex value from pointer */ | |
324 | while ((d = *c) != 0) { | |
325 | if ((d >= '0') && (d <= '9')) | |
326 | p = (p << 4) + (d - '0'); | |
327 | else if ((d >= 'a') && (d <= 'f')) | |
328 | p = (p << 4) + (d - ('a'-10)); | |
329 | else | |
330 | break; | |
331 | c++; | |
332 | } | |
333 | *ptr = (void *) p; | |
334 | if ((!t) || (strcmp(t,c)==0)) return (char *) 0; | |
335 | ||
336 | if (!SwigPtrSort) { | |
337 | qsort((void *) SwigPtrTable, SwigPtrN, sizeof(SwigPtrType), swigsort); | |
338 | for (i = 0; i < 256; i++) SwigStart[i] = SwigPtrN; | |
339 | for (i = SwigPtrN-1; i >= 0; i--) SwigStart[(int) (SwigPtrTable[i].name[1])] = i; | |
340 | for (i = 255; i >= 1; i--) { | |
341 | if (SwigStart[i-1] > SwigStart[i]) | |
342 | SwigStart[i-1] = SwigStart[i]; | |
343 | } | |
344 | SwigPtrSort = 1; | |
345 | for (i = 0; i < SWIG_CACHESIZE; i++) SwigCache[i].stat = 0; | |
346 | } | |
347 | /* First check cache for matches. Uses last cache value as starting point */ | |
348 | cache = &SwigCache[SwigLastCache]; | |
349 | for (i = 0; i < SWIG_CACHESIZE; i++) { | |
350 | if (cache->stat && (strcmp(t,cache->name) == 0) && (strcmp(c,cache->mapped) == 0)) { | |
351 | cache->stat++; | |
352 | if (cache->tp->cast) *ptr = (*(cache->tp->cast))(*ptr); | |
353 | return (char *) 0; | |
354 | } | |
355 | SwigLastCache = (SwigLastCache+1) & SWIG_CACHEMASK; | |
356 | if (!SwigLastCache) cache = SwigCache; | |
357 | else cache++; | |
358 | } | |
359 | /* Type mismatch. Look through type-mapping table */ | |
360 | start = SwigStart[(int) t[1]]; | |
361 | end = SwigStart[(int) t[1]+1]; | |
362 | sp = &SwigPtrTable[start]; | |
363 | ||
364 | /* Try to find a match */ | |
365 | while (start < end) { /* was "<=" --robin */ | |
366 | if (strncmp(t,sp->name,sp->len) == 0) { | |
367 | name = sp->name; | |
368 | len = sp->len; | |
369 | tp = sp->next; | |
370 | /* Try to find entry for our given datatype */ | |
371 | while(tp) { | |
372 | if (tp->len >= 255) { | |
373 | return c; | |
374 | } | |
375 | strcpy(temp_type,tp->name); | |
376 | strncat(temp_type,t+len,255-tp->len); | |
377 | if (strcmp(c,temp_type) == 0) { | |
378 | strcpy(SwigCache[SwigCacheIndex].mapped,c); | |
379 | strcpy(SwigCache[SwigCacheIndex].name,t); | |
380 | SwigCache[SwigCacheIndex].stat = 1; | |
381 | SwigCache[SwigCacheIndex].tp = tp; | |
382 | SwigCacheIndex = SwigCacheIndex & SWIG_CACHEMASK; | |
383 | /* Get pointer value */ | |
384 | *ptr = (void *) p; | |
385 | if (tp->cast) *ptr = (*(tp->cast))(*ptr); | |
386 | return (char *) 0; | |
387 | } | |
388 | tp = tp->next; | |
389 | } | |
390 | } | |
391 | sp++; | |
392 | start++; | |
393 | } | |
394 | return c; | |
395 | } | |
396 | ||
397 | /* New object-based GetPointer function. This uses the Python abstract | |
398 | * object interface to automatically dereference the 'this' attribute | |
399 | * of shadow objects. */ | |
400 | ||
401 | SWIGSTATICRUNTIME(char *) | |
402 | SWIG_GetPtrObj(PyObject *obj, void **ptr, char *type) { | |
403 | PyObject *sobj = obj; | |
404 | char *str; | |
405 | if (!PyString_Check(obj)) { | |
406 | if (!PyInstance_Check(obj) || !(sobj = PyObject_GetAttrString(obj,"this"))) | |
407 | return ""; | |
408 | // PyObject_GetAttrString increases sobj refcout ! | |
409 | Py_DECREF(sobj); | |
410 | } | |
411 | str = PyString_AsString(sobj); | |
412 | return SWIG_GetPtr(str,ptr,type); | |
413 | } | |
414 | ||
415 | ||
416 | #ifdef __cplusplus | |
417 | } | |
418 | #endif | |
419 | ||
420 | ||
421 | ||
422 | ||
423 | ||
424 | ||
425 | ||
426 | ||
427 | ||
428 | ||
429 | ||
430 | ||
431 | ||
432 | ||
433 | ||
434 | ||
435 | ||
436 |