/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

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 *

 */

#if !defined(_WINDOWS) && !defined(__APPLE__)

#include "memory/allocation.hpp"

#include "utilities/decoder.hpp"

#include "utilities/elfFile.hpp"

// The string table represents a string table section in an elf file.

// Whenever there is enough memory, it will load whole string table as

// one blob. Otherwise, it will load string from file when requested.

class ElfStringTable: CHeapObj<mtInternal> {

  friend class ElfFile;

private:

  ElfStringTable*   _next;

  int               _index;     // section index

  ElfSection        _section;

  FILE* const       _fd;

  NullDecoder::decoder_status _status;

public:

  ElfStringTable(FILE* const file, Elf_Shdr& shdr, int index);

  ~ElfStringTable();

  // section index

  int index() const { return _index; };

  // get string at specified offset

  bool string_at(size_t offset, char* buf, int buflen);

  // get status code

  NullDecoder::decoder_status get_status() const {

    return _status;

  }

private:

  void set_next(ElfStringTable* next) {

    _next = next;

  }

  ElfStringTable* next() const {

    return _next;

  }

};

#endif // !_WINDOWS && !__APPLE__