cemu-idapython/swig/diskio.i

// TODO: These could be wrapped
%ignore enumerate_files;
%rename (enumerate_files) py_enumerate_files;
%ignore enumerate_system_files;
%ignore ioport_bit_t;
%ignore ioport_bits_t;
%ignore ioport_t;
%ignore read_ioports;
%ignore choose_ioport_device;
%ignore find_ioport;
%ignore find_ioport_bit;
%ignore free_ioports;
%ignore lread;
%ignore qlread;
%ignore qlgets;
%ignore qlgetc;
%ignore lreadbytes;
%ignore lread2bytes;
%ignore lread2bytes;
%ignore lread4bytes;
%ignore lread4bytes;
%ignore lread8bytes;
%ignore lread8bytes;
%ignore qlsize;
%ignore qlseek;
%ignore qltell;
%ignore qlfile;
%ignore make_linput;
%ignore unmake_linput;
%ignore create_remote_linput;

// FIXME: These should be wrapped for completeness
%ignore eread;
%ignore ewrite;

// Ignore kernel-only & unexported symbols
%ignore get_thread_priority;
%ignore set_thread_priority;
%ignore checkdspace;
%ignore lowdiskgo;
%ignore ida_argv;
%ignore exename;

%include "diskio.hpp"

%{
//<code(py_diskio)>
//--------------------------------------------------------------------------
int idaapi py_enumerate_files_cb(const char *file, void *ud)
{
  PyObject *py_file = PyString_FromString(file);
  PyObject *py_ret  = PyObject_CallFunctionObjArgs((PyObject *)ud, py_file, NULL);
  int r = (py_ret == 0 || !PyNumber_Check(py_ret)) ? 1 /* stop enumeration on failure */ : PyInt_AsLong(py_ret);
  Py_XDECREF(py_file);
  Py_XDECREF(py_ret);
  return r;
}
//</code(py_diskio)>
%}

%inline %{
//<inline(py_diskio)>
class loader_input_t
{
private:
  linput_t *li;
  int own;
  qstring fn;
  enum
  {
    OWN_NONE    = 0, // li not created yet
    OWN_CREATE  = 1, // Owns li because we created it
    OWN_FROM_LI = 2, // No ownership we borrowed the li from another class
    OWN_FROM_FP = 3, // We got an li instance from an fp instance, we have to unmake_linput() on Close
  };

  //--------------------------------------------------------------------------
  void _from_cobject(PyObject *pycobject)
  {
    this->set_linput((linput_t *)PyCObject_AsVoidPtr(pycobject));
  }

  //--------------------------------------------------------------------------
  void assign(const loader_input_t &rhs)
  {
    fn = rhs.fn;
    li = rhs.li;
    own = OWN_FROM_LI;
  }

  //--------------------------------------------------------------------------
  loader_input_t(const loader_input_t &rhs)
  {
    assign(rhs);
  }
public:
  // Special attribute that tells the pyvar_to_idcvar how to convert this
  // class from and to IDC. The value of this variable must be set to two
  int __idc_cvt_id__;
  //--------------------------------------------------------------------------
  loader_input_t(PyObject *pycobject = NULL)
  {
    __idc_cvt_id__ = 2; // Opaque object
    if (pycobject != NULL && PyCObject_Check(pycobject))
    {
      _from_cobject(pycobject);
    }
    else
    {
      li = NULL;
      own = OWN_NONE;
      fn.qclear();
    }
  }

  //--------------------------------------------------------------------------
  void close()
  {
    if (li == NULL)
      return;

    if (own == OWN_CREATE)
      close_linput(li);
    else if (own == OWN_FROM_FP)
      unmake_linput(li);

    li = NULL;
  }

  //--------------------------------------------------------------------------
  ~loader_input_t()
  {
    close();
  }

  //--------------------------------------------------------------------------
  PyObject *open(const char *filename, bool remote = false)
  {
    close();
    li = open_linput(filename, remote);
    if (li == NULL)
      Py_RETURN_FALSE;

    // Save file name
    fn = filename;
    own = OWN_CREATE;
    Py_RETURN_TRUE;
  }

  //--------------------------------------------------------------------------
  void set_linput(linput_t *linput)
  {
    close();
    own = OWN_FROM_LI;
    li = linput;
    fn.sprnt("<linput_t * %p>", linput);
  }

  //--------------------------------------------------------------------------
  static loader_input_t *from_linput(linput_t *linput)
  {
    loader_input_t *l = new loader_input_t();
    l->set_linput(linput);
    return l;
  }

  //--------------------------------------------------------------------------
  // This method can be used to pass a linput_t* from C code
  static loader_input_t *from_cobject(PyObject *pycobject)
  {
    if (!PyCObject_Check(pycobject))
      return NULL;
    loader_input_t *l = new loader_input_t();
    l->_from_cobject(pycobject);
    return l;
  }

  //--------------------------------------------------------------------------
  static loader_input_t *from_fp(FILE *fp)
  {
    linput_t *fp_li = make_linput(fp);
    if (fp_li == NULL)
      return NULL;

    loader_input_t *l = new loader_input_t();
    l->own = OWN_FROM_FP;
    l->fn.sprnt("<FILE * %p>", fp);
    l->li = fp_li;
    return l;
  }

  //--------------------------------------------------------------------------
  linput_t *get_linput()
  {
    return li;
  }

  //--------------------------------------------------------------------------
  PyObject *open_memory(ea_t start, asize_t size = 0)
  {
    linput_t *l = create_memory_linput(start, size);
    if (l == NULL)
      Py_RETURN_FALSE;
    close();
    li = l;
    fn = "<memory>";
    own = OWN_CREATE;
    Py_RETURN_TRUE;
  }

  //--------------------------------------------------------------------------
  int32 seek(int32 pos, int whence = SEEK_SET)
  {
    return qlseek(li, pos, whence);
  }

  //--------------------------------------------------------------------------
  int32 tell()
  {
    return qltell(li);
  }

  //--------------------------------------------------------------------------
  PyObject *getz(size_t sz, int32 fpos = -1)
  {
    do
    {
      char *buf = (char *) malloc(sz + 5);
      if (buf == NULL)
        break;
      qlgetz(li, fpos, buf, sz);
      PyObject *ret = PyString_FromString(buf);
      free(buf);
      return ret;
    } while (false);
    Py_RETURN_NONE;
  }

  //--------------------------------------------------------------------------
  PyObject *gets(size_t len)
  {
    do
    {
      char *buf = (char *) malloc(len + 5);
      if (buf == NULL)
        break;
      if (qlgets(buf, len, li) == NULL)
      {
        free(buf);
        break;
      }
      PyObject *ret = PyString_FromString(buf);
      free(buf);
      return ret;
    } while (false);
    Py_RETURN_NONE;
  }

  //--------------------------------------------------------------------------
  PyObject *read(size_t size)
  {
    do
    {
      char *buf = (char *) malloc(size + 5);
      if (buf == NULL)
        break;
      ssize_t r = qlread(li, buf, size);
      if (r == -1)
      {
        free(buf);
        break;
      }
      PyObject *ret = PyString_FromStringAndSize(buf, r);
      free(buf);
      return ret;
    } while (false);
    Py_RETURN_NONE;
  }

  //--------------------------------------------------------------------------
  bool opened()
  {
    return li != NULL;
  }
  
  //--------------------------------------------------------------------------
  PyObject *readbytes(size_t size, bool big_endian)
  {
    do
    {
      char *buf = (char *) malloc(size + 5);
      if (buf == NULL)
        break;
      int r = lreadbytes(li, buf, size, big_endian);
      if (r == -1)
      {
        free(buf);
        break;
      }
      PyObject *ret = PyString_FromStringAndSize(buf, r);
      free(buf);
      return ret;
    } while (false);
    Py_RETURN_NONE;
  }

  //--------------------------------------------------------------------------
  int file2base(int32 pos, ea_t ea1, ea_t ea2, int patchable)
  {
    return ::file2base(li, pos, ea1, ea2, patchable);
  }

  //--------------------------------------------------------------------------
  int32 size()
  {
    return qlsize(li);
  }

  //--------------------------------------------------------------------------
  PyObject *filename()
  {
    return PyString_FromString(fn.c_str());
  }

  //--------------------------------------------------------------------------
  PyObject *get_char()
  {
    int ch = qlgetc(li);
    if (ch == EOF)
      Py_RETURN_NONE;
    return Py_BuildValue("c", ch);
  }
};


//--------------------------------------------------------------------------
PyObject *py_enumerate_files(PyObject *path, PyObject *fname, PyObject *callback)
{
  do 
  {
    if (!PyString_Check(path) || !PyString_Check(fname) || !PyCallable_Check(callback))
      break;
    const char *_path = PyString_AsString(path);
    const char *_fname = PyString_AsString(fname);
    if (_path == NULL || _fname == NULL)
      break;
    char answer[MAXSTR];
    answer[0] = '\0';
    int r = enumerate_files(answer, sizeof(answer), _path, _fname, py_enumerate_files_cb, callback);
    return Py_BuildValue("(is)", r, answer);
  } while (false);
  Py_RETURN_NONE;  
}
//</inline(py_diskio)>
%}

%pythoncode %{
#<pycode(py_diskio)>
def enumerate_system_files(subdir, fname, callback):
    return enumerate_files(idadir(subdir), fname, callback)
#</pycode(py_diskio)>
%}