chromium/src/third_party/hunspell/src/hunspell/filemgr.hxx

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Hunspell, based on MySpell.
 *
 * The Initial Developers of the Original Code are
 * Kevin Hendricks (MySpell) and Németh László (Hunspell).
 * Portions created by the Initial Developers are Copyright (C) 2002-2005
 * the Initial Developers. All Rights Reserved.
 *
 * Contributor(s): David Einstein, Davide Prina, Giuseppe Modugno,
 * Gianluca Turconi, Simon Brouwer, Noll János, Bíró Árpád,
 * Goldman Eleonóra, Sarlós Tamás, Bencsáth Boldizsár, Halácsy Péter,
 * Dvornik László, Gefferth András, Nagy Viktor, Varga Dániel, Chris Halls,
 * Rene Engelhard, Bram Moolenaar, Dafydd Jones, Harri Pitkänen
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
/*
 * Copyright 2002 Kevin B. Hendricks, Stratford, Ontario, Canada
 * And Contributors.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. All modifications to the source code must be clearly marked as
 *    such.  Binary redistributions based on modified source code
 *    must be clearly marked as modified versions in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY KEVIN B. HENDRICKS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
 * KEVIN B. HENDRICKS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/* file manager class - read lines of files [filename] OR [filename.hz] */
#ifndef FILEMGR_HXX_
#define FILEMGR_HXX_

#include "hunzip.hxx"
#include <stdio.h>
#include <string>
#include <fstream>

#ifdef HUNSPELL_CHROME_CLIENT
namespace hunspell {
class LineIterator;
}  // namespace hunspell

// A class which encapsulates operations of reading a BDICT file.
// Chrome uses a BDICT file to compress hunspell dictionaries. A BDICT file is
// a binary file converted from a DIC file and an AFF file. (See
// "bdict_reader.h" for its format.)
// This class encapsulates the operations of reading a BDICT file and emulates
// the original FileMgr operations for AffixMgr so that it can read a BDICT
// file without so many changes.
class FileMgr {
 public:
  FileMgr(hunspell::LineIterator* iterator);
  ~FileMgr();
  bool getline(std::string& line);
  int getlinenum();

 protected:
  hunspell::LineIterator* iterator_;
  char line_[BUFSIZE + 50]; // input buffer
};
#else
class FileMgr {
 private:
  FileMgr(const FileMgr&);
  FileMgr& operator=(const FileMgr&);

 protected:
  std::ifstream fin;
  Hunzip* hin;
  char in[BUFSIZE + 50];  // input buffer
  int fail(const char* err, const char* par);
  int linenum;

 public:
  FileMgr(const char* filename, const char* key = NULL);
  ~FileMgr();
  bool getline(std::string&);
  int getlinenum();
};
#endif
#endif