# swigptr.py from __future__ import absolute_import, print_function swigptr_code = """ /*********************************************************************** * $Header$ * swig_lib/python/python.cfg * * Contains variable linking and pointer type-checking code. ************************************************************************/ #include #include #ifdef __cplusplus extern "C" { #endif #include "Python.h" /* Definitions for Windows/Unix exporting */ #if defined(_WIN32) || defined(__WIN32__) # if defined(_MSC_VER) # define SWIGEXPORT(a) __declspec(dllexport) a # else # if defined(__BORLANDC__) # define SWIGEXPORT(a) a _export # else # define SWIGEXPORT(a) a # endif # endif #else # define SWIGEXPORT(a) a #endif #ifdef SWIG_GLOBAL #define SWIGSTATICRUNTIME(a) SWIGEXPORT(a) #else #define SWIGSTATICRUNTIME(a) static a #endif typedef struct { char *name; PyObject *(*get_attr)(void); int (*set_attr)(PyObject *); } swig_globalvar; typedef struct swig_varlinkobject { PyObject_HEAD swig_globalvar **vars; int nvars; int maxvars; } swig_varlinkobject; /* ---------------------------------------------------------------------- swig_varlink_repr() Function for python repr method ---------------------------------------------------------------------- */ static PyObject * swig_varlink_repr(swig_varlinkobject *v) { v = v; return PyString_FromString(""); } /* --------------------------------------------------------------------- swig_varlink_print() Print out all of the global variable names --------------------------------------------------------------------- */ static int swig_varlink_print(swig_varlinkobject *v, FILE *fp, int flags) { int i = 0; flags = flags; fprintf(fp,"Global variables { "); while (v->vars[i]) { fprintf(fp,"%s", v->vars[i]->name); i++; if (v->vars[i]) fprintf(fp,", "); } fprintf(fp," }\\n"); return 0; } /* -------------------------------------------------------------------- swig_varlink_getattr This function gets the value of a variable and returns it as a PyObject. In our case, we'll be looking at the datatype and converting into a number or string -------------------------------------------------------------------- */ static PyObject * swig_varlink_getattr(swig_varlinkobject *v, char *n) { int i = 0; char temp[128]; while (v->vars[i]) { if (strcmp(v->vars[i]->name,n) == 0) { return (*v->vars[i]->get_attr)(); } i++; } sprintf(temp,"C global variable %s not found.", n); PyErr_SetString(PyExc_NameError,temp); return NULL; } /* ------------------------------------------------------------------- swig_varlink_setattr() This function sets the value of a variable. ------------------------------------------------------------------- */ static int swig_varlink_setattr(swig_varlinkobject *v, char *n, PyObject *p) { char temp[128]; int i = 0; while (v->vars[i]) { if (strcmp(v->vars[i]->name,n) == 0) { return (*v->vars[i]->set_attr)(p); } i++; } sprintf(temp,"C global variable %s not found.", n); PyErr_SetString(PyExc_NameError,temp); return 1; } statichere PyTypeObject varlinktype = { /* PyObject_HEAD_INIT(&PyType_Type) Note : This doesn't work on some machines */ PyObject_HEAD_INIT(0) 0, "varlink", /* Type name */ sizeof(swig_varlinkobject), /* Basic size */ 0, /* Itemsize */ 0, /* Deallocator */ (printfunc) swig_varlink_print, /* Print */ (getattrfunc) swig_varlink_getattr, /* get attr */ (setattrfunc) swig_varlink_setattr, /* Set attr */ 0, /* tp_compare */ (reprfunc) swig_varlink_repr, /* tp_repr */ 0, /* tp_as_number */ 0, /* tp_as_mapping*/ 0, /* tp_hash */ }; /* Create a variable linking object for use later */ SWIGSTATICRUNTIME(PyObject *) SWIG_newvarlink(void) { swig_varlinkobject *result = 0; result = PyMem_NEW(swig_varlinkobject,1); varlinktype.ob_type = &PyType_Type; /* Patch varlinktype into a PyType */ result->ob_type = &varlinktype; /* _Py_NewReference(result); Does not seem to be necessary */ result->nvars = 0; result->maxvars = 64; result->vars = (swig_globalvar **) malloc(64*sizeof(swig_globalvar *)); result->vars[0] = 0; result->ob_refcnt = 0; Py_XINCREF((PyObject *) result); return ((PyObject*) result); } SWIGSTATICRUNTIME(void) SWIG_addvarlink(PyObject *p, char *name, PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p)) { swig_varlinkobject *v; v= (swig_varlinkobject *) p; if (v->nvars >= v->maxvars -1) { v->maxvars = 2*v->maxvars; v->vars = (swig_globalvar **) realloc(v->vars,v->maxvars*sizeof(swig_globalvar *)); if (v->vars == NULL) { fprintf(stderr,"SWIG : Fatal error in initializing Python module.\\n"); exit(1); } } v->vars[v->nvars] = (swig_globalvar *) malloc(sizeof(swig_globalvar)); v->vars[v->nvars]->name = (char *) malloc(strlen(name)+1); strcpy(v->vars[v->nvars]->name,name); v->vars[v->nvars]->get_attr = get_attr; v->vars[v->nvars]->set_attr = set_attr; v->nvars++; v->vars[v->nvars] = 0; } /* ----------------------------------------------------------------------------- * Pointer type-checking * ----------------------------------------------------------------------------- */ /* SWIG pointer structure */ typedef struct SwigPtrType { char *name; /* Datatype name */ int len; /* Length (used for optimization) */ void *(*cast)(void *); /* Pointer casting function */ struct SwigPtrType *next; /* Linked list pointer */ } SwigPtrType; /* Pointer cache structure */ typedef struct { int stat; /* Status (valid) bit */ SwigPtrType *tp; /* Pointer to type structure */ char name[256]; /* Given datatype name */ char mapped[256]; /* Equivalent name */ } SwigCacheType; static int SwigPtrMax = 64; /* Max entries that can be currently held */ static int SwigPtrN = 0; /* Current number of entries */ static int SwigPtrSort = 0; /* Status flag indicating sort */ static int SwigStart[256]; /* Starting positions of types */ static SwigPtrType *SwigPtrTable = 0; /* Table containing pointer equivalences */ /* Cached values */ #define SWIG_CACHESIZE 8 #define SWIG_CACHEMASK 0x7 static SwigCacheType SwigCache[SWIG_CACHESIZE]; static int SwigCacheIndex = 0; static int SwigLastCache = 0; /* Sort comparison function */ static int swigsort(const void *data1, const void *data2) { SwigPtrType *d1 = (SwigPtrType *) data1; SwigPtrType *d2 = (SwigPtrType *) data2; return strcmp(d1->name,d2->name); } /* Register a new datatype with the type-checker */ SWIGSTATICRUNTIME(void) SWIG_RegisterMapping(char *origtype, char *newtype, void *(*cast)(void *)) { int i; SwigPtrType *t = 0,*t1; /* Allocate the pointer table if necessary */ if (!SwigPtrTable) { SwigPtrTable = (SwigPtrType *) malloc(SwigPtrMax*sizeof(SwigPtrType)); } /* Grow the table */ if (SwigPtrN >= SwigPtrMax) { SwigPtrMax = 2*SwigPtrMax; SwigPtrTable = (SwigPtrType *) realloc((char *) SwigPtrTable,SwigPtrMax*sizeof(SwigPtrType)); } for (i = 0; i < SwigPtrN; i++) { if (strcmp(SwigPtrTable[i].name,origtype) == 0) { t = &SwigPtrTable[i]; break; } } if (!t) { t = &SwigPtrTable[SwigPtrN++]; t->name = origtype; t->len = strlen(t->name); t->cast = 0; t->next = 0; } /* Check for existing entries */ while (t->next) { if ((strcmp(t->name,newtype) == 0)) { if (cast) t->cast = cast; return; } t = t->next; } t1 = (SwigPtrType *) malloc(sizeof(SwigPtrType)); t1->name = newtype; t1->len = strlen(t1->name); t1->cast = cast; t1->next = 0; t->next = t1; SwigPtrSort = 0; } /* Make a pointer value string */ SWIGSTATICRUNTIME(void) SWIG_MakePtr(char *c, const void *ptr, char *type) { static char hex[17] = "0123456789abcdef"; unsigned long p, s; char result[24], *r; r = result; p = (unsigned long) ptr; if (p > 0) { while (p > 0) { s = p & 0xf; *(r++) = hex[s]; p = p >> 4; } *r = '_'; while (r >= result) *(c++) = *(r--); strcpy (c, type); } else { strcpy (c, "NULL"); } } /* Function for getting a pointer value */ SWIGSTATICRUNTIME(char *) SWIG_GetPtr(char *c, void **ptr, char *t) { //std::cout << t << " " << c << std::endl; unsigned long p; char temp_type[256], *name; int i, len, start, end; SwigPtrType *sp,*tp; SwigCacheType *cache; register int d; p = 0; /* Pointer values must start with leading underscore */ if (*c != '_') { *ptr = (void *) 0; if (strcmp(c,"NULL") == 0) return (char *) 0; else c; } c++; /* Extract hex value from pointer */ while (d = *c) { if ((d >= '0') && (d <= '9')) p = (p << 4) + (d - '0'); else if ((d >= 'a') && (d <= 'f')) p = (p << 4) + (d - ('a'-10)); else break; c++; } *ptr = (void *) p; //std::cout << t << " " << c << std::endl; if ((!t) || (strcmp(t,c)==0)) return (char *) 0; else { // added ej -- if type check fails, its always an error. return (char*) 1; } if (!SwigPtrSort) { qsort((void *) SwigPtrTable, SwigPtrN, sizeof(SwigPtrType), swigsort); for (i = 0; i < 256; i++) SwigStart[i] = SwigPtrN; for (i = SwigPtrN-1; i >= 0; i--) SwigStart[(int) (SwigPtrTable[i].name[1])] = i; for (i = 255; i >= 1; i--) { if (SwigStart[i-1] > SwigStart[i]) SwigStart[i-1] = SwigStart[i]; } SwigPtrSort = 1; for (i = 0; i < SWIG_CACHESIZE; i++) SwigCache[i].stat = 0; } /* First check cache for matches. Uses last cache value as starting point */ cache = &SwigCache[SwigLastCache]; for (i = 0; i < SWIG_CACHESIZE; i++) { if (cache->stat && (strcmp(t,cache->name) == 0) && (strcmp(c,cache->mapped) == 0)) { cache->stat++; if (cache->tp->cast) *ptr = (*(cache->tp->cast))(*ptr); return (char *) 0; } SwigLastCache = (SwigLastCache+1) & SWIG_CACHEMASK; if (!SwigLastCache) cache = SwigCache; else cache++; } /* Type mismatch. Look through type-mapping table */ start = SwigStart[(int) t[1]]; end = SwigStart[(int) t[1]+1]; sp = &SwigPtrTable[start]; /* Try to find a match */ while (start <= end) { if (strncmp(t,sp->name,sp->len) == 0) { name = sp->name; len = sp->len; tp = sp->next; /* Try to find entry for our given datatype */ while(tp) { if (tp->len >= 255) { return c; } strcpy(temp_type,tp->name); strncat(temp_type,t+len,255-tp->len); if (strcmp(c,temp_type) == 0) { strcpy(SwigCache[SwigCacheIndex].mapped,c); strcpy(SwigCache[SwigCacheIndex].name,t); SwigCache[SwigCacheIndex].stat = 1; SwigCache[SwigCacheIndex].tp = tp; SwigCacheIndex = SwigCacheIndex & SWIG_CACHEMASK; /* Get pointer value */ *ptr = (void *) p; if (tp->cast) *ptr = (*(tp->cast))(*ptr); return (char *) 0; } tp = tp->next; } } sp++; start++; } return c; } /* New object-based GetPointer function. This uses the Python abstract * object interface to automatically dereference the 'this' attribute * of shadow objects. */ SWIGSTATICRUNTIME(char *) SWIG_GetPtrObj(PyObject *obj, void **ptr, char *type) { PyObject *sobj = obj; char *str; if (!PyString_Check(obj)) { sobj = PyObject_GetAttrString(obj,"this"); if (!sobj) return ""; } str = PyString_AsString(sobj); //printf("str: %s\\n", str); return SWIG_GetPtr(str,ptr,type); } #ifdef __cplusplus } #endif """