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panda/src/express/buffer.cxx

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// Filename: buffer.cxx
// Created by:  mike (09Jan97)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license.  You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////
#include "buffer.h"

////////////////////////////////////////////////////////////////////
// Defines
////////////////////////////////////////////////////////////////////

////////////////////////////////////////////////////////////////////
//     Function: Buffer::Constructor
//       Access: Public
//  Description:
////////////////////////////////////////////////////////////////////
Buffer::
Buffer(int size) {
  _length = size;
  _buffer = new char[_length];
}

////////////////////////////////////////////////////////////////////
//     Function: Buffer::Destructor
//       Access: Public
//  Description:
////////////////////////////////////////////////////////////////////
Buffer::
~Buffer() {
  delete _buffer;
}


////////////////////////////////////////////////////////////////////
//     Function: Ramfile::readline
//       Access: Published
//  Description: Assumes the stream represents a text file, and
//               extracts one line up to and including the trailing
//               newline character.  Returns empty string when the end
//               of file is reached.
//
//               The interface here is intentionally designed to be
//               similar to that for Python's File.readline()
//               function.
////////////////////////////////////////////////////////////////////
string Ramfile::
readline() {
  size_t start = _pos;
  while (_pos < _data.length() && _data[_pos] != '\n') {
    ++_pos;
  }

  if (_pos < _data.length() && _data[_pos] == '\n') {
    // Include the newline character also.
    ++_pos;
  }

  return _data.substr(start, _pos - start);
}

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