git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@4391 626c5289-ae23-0410-ae9c-e8d60b6d4f22
416 lines
11 KiB
Text
416 lines
11 KiB
Text
/***********************************************************************
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* python.swg
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*
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* This file contains the runtime support for Python modules
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* and includes code for managing global variables and pointer
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* type checking.
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*
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* Author : David Beazley (beazley@cs.uchicago.edu)
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************************************************************************/
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#include "Python.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define SWIG_PY_INT 1
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#define SWIG_PY_FLOAT 2
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#define SWIG_PY_STRING 3
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#define SWIG_PY_POINTER 4
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#define SWIG_PY_BINARY 5
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/* Flags for pointer conversion */
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#define SWIG_POINTER_EXCEPTION 0x1
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#define SWIG_POINTER_DISOWN 0x2
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/* Exception handling in wrappers */
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#define SWIG_fail goto fail
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/* Constant information structure */
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typedef struct swig_const_info {
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int type;
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char *name;
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long lvalue;
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double dvalue;
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void *pvalue;
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swig_type_info **ptype;
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} swig_const_info;
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#ifdef SWIG_NOINCLUDE
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SWIGEXPORT(PyObject *) SWIG_newvarlink(void);
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SWIGEXPORT(void) SWIG_addvarlink(PyObject *, char *, PyObject *(*)(void), int (*)(PyObject *));
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SWIGEXPORT(int) SWIG_ConvertPtr(PyObject *, void **, swig_type_info *, int);
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SWIGEXPORT(int) SWIG_ConvertPacked(PyObject *, void *, int sz, swig_type_info *, int);
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SWIGEXPORT(char *) SWIG_PackData(char *c, void *, int);
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SWIGEXPORT(char *) SWIG_UnpackData(char *c, void *, int);
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SWIGEXPORT(PyObject *) SWIG_NewPointerObj(void *, swig_type_info *,int own);
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SWIGEXPORT(PyObject *) SWIG_NewPackedObj(void *, int sz, swig_type_info *);
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SWIGEXPORT(void) SWIG_InstallConstants(PyObject *d, swig_const_info constants[]);
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#else
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/* -----------------------------------------------------------------------------
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* global variable support code.
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* ----------------------------------------------------------------------------- */
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typedef struct swig_globalvar {
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char *name; /* Name of global variable */
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PyObject *(*get_attr)(void); /* Return the current value */
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int (*set_attr)(PyObject *); /* Set the value */
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struct swig_globalvar *next;
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} swig_globalvar;
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typedef struct swig_varlinkobject {
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PyObject_HEAD
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swig_globalvar *vars;
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} swig_varlinkobject;
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static PyObject *
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swig_varlink_repr(swig_varlinkobject *v) {
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v = v;
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return PyString_FromString("<Global variables>");
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}
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static int
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swig_varlink_print(swig_varlinkobject *v, FILE *fp, int flags) {
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swig_globalvar *var;
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flags = flags;
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fprintf(fp,"Global variables { ");
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for (var = v->vars; var; var=var->next) {
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fprintf(fp,"%s", var->name);
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if (var->next) fprintf(fp,", ");
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}
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fprintf(fp," }\n");
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return 0;
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}
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static PyObject *
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swig_varlink_getattr(swig_varlinkobject *v, char *n) {
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swig_globalvar *var = v->vars;
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while (var) {
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if (strcmp(var->name,n) == 0) {
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return (*var->get_attr)();
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}
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var = var->next;
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}
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PyErr_SetString(PyExc_NameError,"Unknown C global variable");
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return NULL;
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}
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static int
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swig_varlink_setattr(swig_varlinkobject *v, char *n, PyObject *p) {
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swig_globalvar *var = v->vars;
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while (var) {
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if (strcmp(var->name,n) == 0) {
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return (*var->set_attr)(p);
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}
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var = var->next;
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}
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PyErr_SetString(PyExc_NameError,"Unknown C global variable");
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return 1;
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}
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statichere PyTypeObject varlinktype = {
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PyObject_HEAD_INIT(0)
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0,
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(char *)"swigvarlink", /* Type name */
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sizeof(swig_varlinkobject), /* Basic size */
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0, /* Itemsize */
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0, /* Deallocator */
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(printfunc) swig_varlink_print, /* Print */
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(getattrfunc) swig_varlink_getattr, /* get attr */
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(setattrfunc) swig_varlink_setattr, /* Set attr */
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0, /* tp_compare */
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(reprfunc) swig_varlink_repr, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_mapping*/
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0, /* tp_hash */
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};
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/* Create a variable linking object for use later */
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SWIGRUNTIME(PyObject *)
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SWIG_newvarlink(void) {
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swig_varlinkobject *result = 0;
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result = PyMem_NEW(swig_varlinkobject,1);
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varlinktype.ob_type = &PyType_Type; /* Patch varlinktype into a PyType */
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result->ob_type = &varlinktype;
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result->vars = 0;
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result->ob_refcnt = 0;
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Py_XINCREF((PyObject *) result);
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return ((PyObject*) result);
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}
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SWIGRUNTIME(void)
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SWIG_addvarlink(PyObject *p, char *name,
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PyObject *(*get_attr)(void), int (*set_attr)(PyObject *p)) {
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swig_varlinkobject *v;
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swig_globalvar *gv;
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v= (swig_varlinkobject *) p;
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gv = (swig_globalvar *) malloc(sizeof(swig_globalvar));
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gv->name = (char *) malloc(strlen(name)+1);
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strcpy(gv->name,name);
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gv->get_attr = get_attr;
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gv->set_attr = set_attr;
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gv->next = v->vars;
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v->vars = gv;
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}
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/* Pack binary data into a string */
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SWIGRUNTIME(char *)
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SWIG_PackData(char *c, void *ptr, int sz) {
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static char hex[17] = "0123456789abcdef";
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int i;
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unsigned char *u = (unsigned char *) ptr;
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register unsigned char uu;
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for (i = 0; i < sz; i++,u++) {
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uu = *u;
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*(c++) = hex[(uu & 0xf0) >> 4];
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*(c++) = hex[uu & 0xf];
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}
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return c;
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}
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/* Unpack binary data from a string */
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SWIGRUNTIME(char *)
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SWIG_UnpackData(char *c, void *ptr, int sz) {
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register unsigned char uu = 0;
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register int d;
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unsigned char *u = (unsigned char *) ptr;
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int i;
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for (i = 0; i < sz; i++, u++) {
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d = *(c++);
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if ((d >= '0') && (d <= '9'))
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uu = ((d - '0') << 4);
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else if ((d >= 'a') && (d <= 'f'))
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uu = ((d - ('a'-10)) << 4);
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d = *(c++);
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if ((d >= '0') && (d <= '9'))
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uu |= (d - '0');
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else if ((d >= 'a') && (d <= 'f'))
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uu |= (d - ('a'-10));
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*u = uu;
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}
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return c;
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}
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/* Convert a pointer value */
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SWIGRUNTIME(int)
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SWIG_ConvertPtr(PyObject *obj, void **ptr, swig_type_info *ty, int flags) {
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swig_type_info *tc;
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char *c;
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static PyObject *SWIG_this = 0;
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int newref = 0;
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PyObject *pyobj = 0;
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if (!obj) return 0;
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if (obj == Py_None) {
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*ptr = 0;
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return 0;
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}
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#ifdef SWIG_COBJECT_TYPES
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if (!(PyCObject_Check(obj))) {
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if (!SWIG_this)
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SWIG_this = PyString_FromString("this");
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pyobj = obj;
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obj = PyObject_GetAttr(obj,SWIG_this);
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newref = 1;
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if (!obj) goto type_error;
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if (!PyCObject_Check(obj)) {
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Py_DECREF(obj);
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goto type_error;
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}
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}
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*ptr = PyCObject_AsVoidPtr(obj);
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c = (char *) PyCObject_GetDesc(obj);
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if (newref) Py_DECREF(obj);
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goto cobject;
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#else
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if (!(PyString_Check(obj))) {
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if (!SWIG_this)
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SWIG_this = PyString_FromString("this");
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pyobj = obj;
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obj = PyObject_GetAttr(obj,SWIG_this);
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newref = 1;
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if (!obj) goto type_error;
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if (!PyString_Check(obj)) {
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Py_DECREF(obj);
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goto type_error;
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}
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}
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c = PyString_AsString(obj);
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/* Pointer values must start with leading underscore */
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if (*c != '_') {
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*ptr = (void *) 0;
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if (strcmp(c,"NULL") == 0) {
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if (newref) { Py_DECREF(obj); }
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return 0;
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} else {
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if (newref) { Py_DECREF(obj); }
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goto type_error;
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}
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}
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c++;
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c = SWIG_UnpackData(c,ptr,sizeof(void *));
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if (newref) { Py_DECREF(obj); }
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#endif
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#ifdef SWIG_COBJECT_TYPES
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cobject:
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#endif
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if (ty) {
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tc = SWIG_TypeCheck(c,ty);
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if (!tc) goto type_error;
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*ptr = SWIG_TypeCast(tc,(void*) *ptr);
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}
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if ((pyobj) && (flags & SWIG_POINTER_DISOWN)) {
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PyObject *zero = PyInt_FromLong(0);
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PyObject_SetAttrString(pyobj,(char*)"thisown",zero);
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Py_DECREF(zero);
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}
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return 0;
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type_error:
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if (flags & SWIG_POINTER_EXCEPTION) {
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if (ty) {
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char *temp = (char *) malloc(64+strlen(ty->name));
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sprintf(temp,"Type error. Expected %s", ty->name);
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PyErr_SetString(PyExc_TypeError, temp);
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free((char *) temp);
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} else {
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PyErr_SetString(PyExc_TypeError,"Expected a pointer");
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}
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}
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return -1;
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}
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/* Convert a packed value value */
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SWIGRUNTIME(int)
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SWIG_ConvertPacked(PyObject *obj, void *ptr, int sz, swig_type_info *ty, int flags) {
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swig_type_info *tc;
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char *c;
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if ((!obj) || (!PyString_Check(obj))) goto type_error;
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c = PyString_AsString(obj);
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/* Pointer values must start with leading underscore */
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if (*c != '_') goto type_error;
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c++;
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c = SWIG_UnpackData(c,ptr,sz);
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if (ty) {
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tc = SWIG_TypeCheck(c,ty);
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if (!tc) goto type_error;
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}
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return 0;
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type_error:
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if (flags) {
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if (ty) {
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char *temp = (char *) malloc(64+strlen(ty->name));
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sprintf(temp,"Type error. Expected %s", ty->name);
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PyErr_SetString(PyExc_TypeError, temp);
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free((char *) temp);
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} else {
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PyErr_SetString(PyExc_TypeError,"Expected a pointer");
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}
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}
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return -1;
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}
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/* Create a new pointer object */
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SWIGRUNTIME(PyObject *)
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SWIG_NewPointerObj(void *ptr, swig_type_info *type, int own) {
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PyObject *robj;
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if (!ptr) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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#ifdef SWIG_COBJECT_TYPES
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robj = PyCObject_FromVoidPtrAndDesc((void *) ptr, (char *) type->name, NULL);
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#else
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{
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char result[1024];
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char *r = result;
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*(r++) = '_';
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r = SWIG_PackData(r,&ptr,sizeof(void *));
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strcpy(r,type->name);
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robj = PyString_FromString(result);
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}
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#endif
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if (!robj || (robj == Py_None)) return robj;
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if (type->clientdata) {
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PyObject *inst;
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PyObject *args = Py_BuildValue((char*)"(O)", robj);
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Py_DECREF(robj);
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inst = PyObject_CallObject((PyObject *) type->clientdata, args);
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Py_DECREF(args);
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if (inst) {
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if (own) {
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PyObject *n = PyInt_FromLong(1);
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PyObject_SetAttrString(inst,(char*)"thisown",n);
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Py_DECREF(n);
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}
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robj = inst;
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}
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}
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return robj;
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}
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SWIGRUNTIME(PyObject *)
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SWIG_NewPackedObj(void *ptr, int sz, swig_type_info *type) {
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char result[1024];
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char *r = result;
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if ((2*sz + 1 + strlen(type->name)) > 1000) return 0;
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*(r++) = '_';
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r = SWIG_PackData(r,ptr,sz);
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strcpy(r,type->name);
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return PyString_FromString(result);
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}
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/* Install Constants */
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SWIGRUNTIME(void)
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SWIG_InstallConstants(PyObject *d, swig_const_info constants[]) {
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int i;
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PyObject *obj;
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for (i = 0; constants[i].type; i++) {
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switch(constants[i].type) {
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case SWIG_PY_INT:
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obj = PyInt_FromLong(constants[i].lvalue);
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break;
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case SWIG_PY_FLOAT:
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obj = PyFloat_FromDouble(constants[i].dvalue);
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break;
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case SWIG_PY_STRING:
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obj = PyString_FromString((char *) constants[i].pvalue);
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break;
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case SWIG_PY_POINTER:
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obj = SWIG_NewPointerObj(constants[i].pvalue, *(constants[i]).ptype,0);
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break;
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case SWIG_PY_BINARY:
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obj = SWIG_NewPackedObj(constants[i].pvalue, constants[i].lvalue, *(constants[i].ptype));
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break;
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default:
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obj = 0;
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break;
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}
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if (obj) {
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PyDict_SetItemString(d,constants[i].name,obj);
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Py_DECREF(obj);
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}
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}
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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