// Filename: p3dMultifileReader.I
// Created by:  drose (15Jun09)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::is_open
//       Access: Public
//  Description: Returns true if the reader is open, false otherwise.
////////////////////////////////////////////////////////////////////
inline bool P3DMultifileReader::
is_open() const {
  return _is_open;
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::read_uint16
//       Access: Private
//  Description: Extracts an unsigned short from the file.
////////////////////////////////////////////////////////////////////
inline unsigned int P3DMultifileReader::
read_uint16() {
  unsigned int a = _in.get();
  unsigned int b = _in.get();
  return (b << 8) | a;
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::read_uint32
//       Access: Private
//  Description: Extracts an unsigned long from the file.
////////////////////////////////////////////////////////////////////
inline unsigned int P3DMultifileReader::
read_uint32() {
  unsigned int a = _in.get();
  unsigned int b = _in.get();
  unsigned int c = _in.get();
  unsigned int d = _in.get();
  return (d << 24) | (c << 16) | (b << 8) | a;
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::get_last_byte_pos
//       Access: Public
//  Description: Returns the byte position within the Multifile of the
//               last byte that contributes to this Subfile, either in
//               the index record or in the subfile data.
////////////////////////////////////////////////////////////////////
inline size_t P3DMultifileReader::Subfile::
get_last_byte_pos() const {
  return max(_index_start + _index_length, _data_start + _data_length) - 1;
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::CertRecord::Constructor
//       Access: Public
//  Description: Ownership of the X509 object is passed into the
//               CertRecord; it will be freed when the CertRecord
//               destructs.
////////////////////////////////////////////////////////////////////
inline P3DMultifileReader::CertRecord::
CertRecord(X509 *cert) :
  _cert(cert)
{
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::CertRecord::Copy Constructor
//       Access: Public
//  Description: 
////////////////////////////////////////////////////////////////////
inline P3DMultifileReader::CertRecord::
CertRecord(const P3DMultifileReader::CertRecord &copy) :
  _cert(X509_dup(copy._cert))
{
}

////////////////////////////////////////////////////////////////////
//     Function: P3DMultifileReader::CertRecord::Destructor
//       Access: Public
//  Description: 
////////////////////////////////////////////////////////////////////
inline P3DMultifileReader::CertRecord::
~CertRecord() {
  X509_free(_cert);
}