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swigptr2.py

# This code allows one to use SWIG wrapped objects from weave.  This
# code is specific to SWIG-1.3 and above where things are different.
# The code is basically all copied out from the SWIG wrapper code but
# it has been hand edited for brevity.
#
# Prabhu Ramachandran <prabhu@aero.iitm.ernet.in>

swigptr2_code = """

#include "Python.h"

/*************************************************************** -*- c -*-
 * python/precommon.swg
 *
 * Rename all exported symbols from common.swg, to avoid symbol
 * clashes if multiple interpreters are included
 *
 ************************************************************************/

#define SWIG_TypeCheck       SWIG_Python_TypeCheck
#define SWIG_TypeCast        SWIG_Python_TypeCast
#define SWIG_TypeName        SWIG_Python_TypeName
#define SWIG_TypeQuery       SWIG_Python_TypeQuery
#define SWIG_PackData        SWIG_Python_PackData 
#define SWIG_UnpackData      SWIG_Python_UnpackData 


/***********************************************************************
 * common.swg
 *
 *     This file contains generic SWIG runtime support for pointer
 *     type checking as well as a few commonly used macros to control
 *     external linkage.
 *
 * Author : David Beazley (beazley@cs.uchicago.edu)
 *
 * Copyright (c) 1999-2000, The University of Chicago
 * 
 * This file may be freely redistributed without license or fee provided
 * this copyright message remains intact.
 ************************************************************************/

#include <string.h>

#if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
#  if defined(_MSC_VER) || defined(__GNUC__)
#    if defined(STATIC_LINKED)
#      define SWIGEXPORT(a) a
#      define SWIGIMPORT(a) extern a
#    else
#      define SWIGEXPORT(a) __declspec(dllexport) a
#      define SWIGIMPORT(a) extern a
#    endif
#  else
#    if defined(__BORLANDC__)
#      define SWIGEXPORT(a) a _export
#      define SWIGIMPORT(a) a _export
#    else
#      define SWIGEXPORT(a) a
#      define SWIGIMPORT(a) a
#    endif
#  endif
#else
#  define SWIGEXPORT(a) a
#  define SWIGIMPORT(a) a
#endif

#ifdef SWIG_GLOBAL
#  define SWIGRUNTIME(a) SWIGEXPORT(a)
#else
#  define SWIGRUNTIME(a) static a
#endif

#ifdef __cplusplus
extern "C" {
#endif

typedef void *(*swig_converter_func)(void *);
typedef struct swig_type_info *(*swig_dycast_func)(void **);

typedef struct swig_type_info {
  const char             *name;
  swig_converter_func     converter;
  const char             *str;
  void                   *clientdata;
  swig_dycast_func        dcast;
  struct swig_type_info  *next;
  struct swig_type_info  *prev;
} swig_type_info;

#ifdef SWIG_NOINCLUDE

SWIGIMPORT(swig_type_info *) SWIG_TypeCheck(char *c, swig_type_info *);
SWIGIMPORT(void *)           SWIG_TypeCast(swig_type_info *, void *);
SWIGIMPORT(const char *)     SWIG_TypeName(const swig_type_info *);
SWIGIMPORT(swig_type_info *) SWIG_TypeQuery(const char *);
SWIGIMPORT(char *)           SWIG_PackData(char *, void *, int);
SWIGIMPORT(char *)           SWIG_UnpackData(char *, void *, int);

#else

static swig_type_info *swig_type_list = 0;

/* Check the typename */
SWIGRUNTIME(swig_type_info *) 
SWIG_TypeCheck(char *c, swig_type_info *ty) {
  swig_type_info *s;
  if (!ty) return 0;        /* Void pointer */
  s = ty->next;             /* First element always just a name */
  do {
    if (strcmp(s->name,c) == 0) {
      if (s == ty->next) return s;
      /* Move s to the top of the linked list */
      s->prev->next = s->next;
      if (s->next) {
        s->next->prev = s->prev;
      }
      /* Insert s as second element in the list */
      s->next = ty->next;
      if (ty->next) ty->next->prev = s;
      ty->next = s;
      s->prev = ty;
      return s;
    }
    s = s->next;
  } while (s && (s != ty->next));
  return 0;
}

/* Cast a pointer up an inheritance hierarchy */
SWIGRUNTIME(void *) 
SWIG_TypeCast(swig_type_info *ty, void *ptr) {
  if ((!ty) || (!ty->converter)) return ptr;
  return (*ty->converter)(ptr);
}

/* Return the name associated with this type */
SWIGRUNTIME(const char *)
SWIG_TypeName(const swig_type_info *ty) {
  return ty->name;
}

/* 
   Compare two type names skipping the space characters, therefore
   "char*" == "char *" and "Class<int>" == "Class<int >", etc.

   Return 0 when the two name types are equivalent, as in
   strncmp, but skipping ' '.
*/
static int
SWIG_TypeNameComp(const char *f1, const char *l1,
              const char *f2, const char *l2) {
  for (;(f1 != l1) && (f2 != l2); ++f1, ++f2) {
    while ((*f1 == ' ') && (f1 != l1)) ++f1;
    while ((*f2 == ' ') && (f2 != l2)) ++f2;
    if (*f1 != *f2) return *f1 - *f2;
  }
  return (l1 - f1) - (l2 - f2);
}

/*
  Check type equivalence in a name list like <name1>|<name2>|...
*/
static int
SWIG_TypeEquiv(const char *nb, const char *tb) {
  int equiv = 0;
  const char* te = tb + strlen(tb);
  const char* ne = nb;
  while (!equiv && *ne) {
    for (nb = ne; *ne; ++ne) {
      if (*ne == '|') break;
    }
    equiv = SWIG_TypeNameComp(nb, ne, tb, te) == 0;
    if (*ne) ++ne;
  }
  return equiv;
}
  

/* Search for a swig_type_info structure */
SWIGRUNTIME(swig_type_info *)
SWIG_TypeQuery(const char *name) {
  swig_type_info *ty = swig_type_list;
  while (ty) {
    if (ty->str && (SWIG_TypeEquiv(ty->str,name))) return ty;
    if (ty->name && (strcmp(name,ty->name) == 0)) return ty;
    ty = ty->prev;
  }
  return 0;
}

/* Pack binary data into a string */
SWIGRUNTIME(char *)
SWIG_PackData(char *c, void *ptr, int sz) {
  static char hex[17] = "0123456789abcdef";
  int i;
  unsigned char *u = (unsigned char *) ptr;
  register unsigned char uu;
  for (i = 0; i < sz; i++,u++) {
    uu = *u;
    *(c++) = hex[(uu & 0xf0) >> 4];
    *(c++) = hex[uu & 0xf];
  }
  return c;
}

/* Unpack binary data from a string */
SWIGRUNTIME(char *)
SWIG_UnpackData(char *c, void *ptr, int sz) {
  register unsigned char uu = 0;
  register int d;
  unsigned char *u = (unsigned char *) ptr;
  int i;
  for (i = 0; i < sz; i++, u++) {
    d = *(c++);
    if ((d >= '0') && (d <= '9'))
      uu = ((d - '0') << 4);
    else if ((d >= 'a') && (d <= 'f'))
      uu = ((d - ('a'-10)) << 4);
    d = *(c++);
    if ((d >= '0') && (d <= '9'))
      uu |= (d - '0');
    else if ((d >= 'a') && (d <= 'f'))
      uu |= (d - ('a'-10));
    *u = uu;
  }
  return c;
}

#endif

#ifdef __cplusplus
}
#endif

/***********************************************************************
 * python.swg
 *
 *     This file contains the runtime support for Python modules
 *     and includes code for managing global variables and pointer
 *     type checking.
 *
 * Author : David Beazley (beazley@cs.uchicago.edu)
 ************************************************************************/

#include "Python.h"

#ifdef __cplusplus
extern "C" {
#endif

#define SWIG_PY_INT     1
#define SWIG_PY_FLOAT   2
#define SWIG_PY_STRING  3
#define SWIG_PY_POINTER 4
#define SWIG_PY_BINARY  5

/* Flags for pointer conversion */

#define SWIG_POINTER_EXCEPTION     0x1
#define SWIG_POINTER_DISOWN        0x2

/* Exception handling in wrappers */
#define SWIG_fail   goto fail

/* Constant information structure */
typedef struct swig_const_info {
    int type;
    char *name;
    long lvalue;
    double dvalue;
    void   *pvalue;
    swig_type_info **ptype;
} swig_const_info;

/* Common SWIG API */
#define SWIG_ConvertPtr(obj, pp, type, flags) \
  SWIG_Python_ConvertPtr(obj, pp, type, flags)
#define SWIG_NewPointerObj(p, type, flags) \
  SWIG_Python_NewPointerObj(p, type, flags)
#define SWIG_MustGetPtr(p, type, argnum, flags) \
  SWIG_Python_MustGetPtr(p, type, argnum, flags)
 

typedef double (*py_objasdbl_conv)(PyObject *obj);

#ifdef SWIG_NOINCLUDE

SWIGIMPORT(int)               SWIG_Python_ConvertPtr(PyObject *, void **, swig_type_info *, int);
SWIGIMPORT(PyObject *)        SWIG_Python_NewPointerObj(void *, swig_type_info *,int own);
SWIGIMPORT(void *)            SWIG_Python_MustGetPtr(PyObject *, swig_type_info *, int, int);

#else


/* Convert a pointer value */
SWIGRUNTIME(int)
SWIG_Python_ConvertPtr(PyObject *obj, void **ptr, swig_type_info *ty, int flags) {
  swig_type_info *tc;
  char  *c = 0;
  static PyObject *SWIG_this = 0;
  int    newref = 0;
  PyObject  *pyobj = 0;

  if (!obj) return 0;
  if (obj == Py_None) {
    *ptr = 0;
    return 0;
  }
#ifdef SWIG_COBJECT_TYPES
  if (!(PyCObject_Check(obj))) {
    if (!SWIG_this)
      SWIG_this = PyString_FromString("this");
    pyobj = obj;
    obj = PyObject_GetAttr(obj,SWIG_this);
    newref = 1;
    if (!obj) goto type_error;
    if (!PyCObject_Check(obj)) {
      Py_DECREF(obj);
      goto type_error;
    }
  }  
  *ptr = PyCObject_AsVoidPtr(obj);
  c = (char *) PyCObject_GetDesc(obj);
  if (newref) Py_DECREF(obj);
  goto cobject;
#else
  if (!(PyString_Check(obj))) {
    if (!SWIG_this)
      SWIG_this = PyString_FromString("this");
    pyobj = obj;
    obj = PyObject_GetAttr(obj,SWIG_this);
    newref = 1;
    if (!obj) goto type_error;
    if (!PyString_Check(obj)) {
      Py_DECREF(obj);
      goto type_error;
    }
  } 
  c = PyString_AsString(obj);
  /* Pointer values must start with leading underscore */
  if (*c != '_') {
    *ptr = (void *) 0;
    if (strcmp(c,"NULL") == 0) {
      if (newref) { Py_DECREF(obj); }
      return 0;
    } else {
      if (newref) { Py_DECREF(obj); }
      goto type_error;
    }
  }
  c++;
  c = SWIG_UnpackData(c,ptr,sizeof(void *));
  if (newref) { Py_DECREF(obj); }
#endif

#ifdef SWIG_COBJECT_TYPES
cobject:
#endif

  if (ty) {
    tc = SWIG_TypeCheck(c,ty);
    if (!tc) goto type_error;
    *ptr = SWIG_TypeCast(tc,(void*) *ptr);
  }

  if ((pyobj) && (flags & SWIG_POINTER_DISOWN)) {
    PyObject *zero = PyInt_FromLong(0);
    PyObject_SetAttrString(pyobj,(char*)"thisown",zero);
    Py_DECREF(zero);
  }
  return 0;

type_error:
  PyErr_Clear();
  if (flags & SWIG_POINTER_EXCEPTION) {
    if (ty && c) {
      PyErr_Format(PyExc_TypeError, 
               "Type error. Got %s, expected %s",
               c, ty->name);
    } else {
      PyErr_SetString(PyExc_TypeError,"Expected a pointer");
    }
  }
  return -1;
}

/* Convert a pointer value, signal an exception on a type mismatch */
SWIGRUNTIME(void *)
SWIG_Python_MustGetPtr(PyObject *obj, swig_type_info *ty, int argnum, int flags) {
  void *result;
  SWIG_Python_ConvertPtr(obj, &result, ty, flags | SWIG_POINTER_EXCEPTION);
  return result;
}

/* Create a new pointer object */
SWIGRUNTIME(PyObject *)
SWIG_Python_NewPointerObj(void *ptr, swig_type_info *type, int own) {
  PyObject *robj;
  if (!ptr) {
    Py_INCREF(Py_None);
    return Py_None;
  }
#ifdef SWIG_COBJECT_TYPES
  robj = PyCObject_FromVoidPtrAndDesc((void *) ptr, (char *) type->name, NULL);
#else
  {
    char result[1024];
    char *r = result;
    *(r++) = '_';
    r = SWIG_PackData(r,&ptr,sizeof(void *));
    strcpy(r,type->name);
    robj = PyString_FromString(result);
  }
#endif
  if (!robj || (robj == Py_None)) return robj;
  if (type->clientdata) {
    PyObject *inst;
    PyObject *args = Py_BuildValue((char*)"(O)", robj);
    Py_DECREF(robj);
    inst = PyObject_CallObject((PyObject *) type->clientdata, args);
    Py_DECREF(args);
    if (inst) {
      if (own) {
        PyObject *n = PyInt_FromLong(1);
        PyObject_SetAttrString(inst,(char*)"thisown",n);
        Py_DECREF(n);
      }
      robj = inst;
    }
  }
  return robj;
}

#endif

#ifdef __cplusplus
}
#endif

"""

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