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/*
* Copyright (C) 2010 Regents of the University of Michigan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GLF_HEADER_H__
#define __GLF_HEADER_H__
#include <stdint.h>
#include "InputFile.h"
#include "CharBuffer.h"
/// This class allows a user to easily get/set the fields in a GLF header.
/// The GlfHeader contains:
/// - Variable length text string
class GlfHeader
{
public:
GlfHeader();
~GlfHeader();
/// Copy Constructor
/// \param header glfheader to copy into this one.
GlfHeader(const GlfHeader& header);
/// Overload operator= to copy the passed in header into this header.
/// \param header glfheader to copy into this one.
GlfHeader & operator = (const GlfHeader& header);
/// Copy the passed in header into this header.
/// \param header glfheader to copy into this one.
bool copy(const GlfHeader& header);
/// Clear this header back to the default setting.
void resetHeader();
/// Read the header from the specified file (file MUST be in
/// the correct position for reading the header).
/// \param filePtr file to read from that is in the correct position.
/// \return true if the header was successfully read from the
/// file, false if not.
bool read(IFILE filePtr);
/// Write the header to the specified file.
/// \param filePtr file to write to that is in the correct position.
/// \return true if the header was successfully written to the
/// file, false if not.
bool write(IFILE filePtr) const;
/// Set the passed in string to the text string stored in this header.
/// \param text string to populate with the header text string.
/// \return true if text was successfully returned, false if not.
bool getHeaderTextString(std::string& text);
/// Set the header to the passed in string.
/// \param text header text to assign to this header.
/// \return true if the text was successfully set, false if not.
bool setHeaderTextString(const std::string& text);
private:
int32_t myTextLen;
CharBuffer myText;
static const std::string GLF_MAGIC;
static const int GLF_MAGIC_LEN = 4;
};
#endif
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