lineStreamBuf.h

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/**
 * 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."
 *
 * @file lineStreamBuf.h
 * @author drose
 * @date 2000-02-26
 */
 
#ifndef LINESTREAMBUF_H
#define LINESTREAMBUF_H
 
#include "dtoolbase.h"
 
#include <string>
 
/**
 * Used by LineStream to implement an ostream that writes to a memory buffer,
 * whose contents can be continuously extracted as a sequence of lines of
 * text.
 */
class EXPCL_DTOOL_DTOOLUTIL LineStreamBuf : public std::streambuf {
public:
  LineStreamBuf();
  virtual ~LineStreamBuf();
 
  INLINE bool is_text_available() const;
  std::string get_line();
  INLINE bool has_newline() const;
 
protected:
  virtual int overflow(int c);
  virtual int sync();
 
private:
  INLINE void write_chars(const char *start, size_t length);
 
  std::string _data;
  bool _has_newline;
};
 
#include "lineStreamBuf.I"
 
#endif