extensions/spellcheck/hunspell/src/hunzip.hxx

   1 /******* BEGIN LICENSE BLOCK *******
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Initial Developers of the Original Code are Kevin Hendricks (MySpell)
  15  * and László Németh (Hunspell). Portions created by the Initial Developers
  16  * are Copyright (C) 2002-2005 the Initial Developers. All Rights Reserved.
  17  *
  18  * Contributor(s): László Németh (nemethl@gyorsposta.hu)
  19  *
  20  * Alternatively, the contents of this file may be used under the terms of
  21  * either the GNU General Public License Version 2 or later (the "GPL"), or
  22  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  23  * in which case the provisions of the GPL or the LGPL are applicable instead
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  29  * the provisions above, a recipient may use your version of this file under
  30  * the terms of any one of the MPL, the GPL or the LGPL.
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  32  ******* END LICENSE BLOCK *******/
  33
  34 #ifndef _HUNZIP_HXX_
  35 #define _HUNZIP_HXX_
  36
  37 #define BUFSIZE  65536
  38 #define HZIP_EXTENSION ".hz"
  39
  40 #define MSG_OPEN   "error: %s: cannot open\n"
  41 #define MSG_FORMAT "error: %s: not in hzip format\n"
  42 #define MSG_MEMORY "error: %s: missing memory\n"
  43 #define MSG_KEY    "error: %s: missing or bad password\n"
  44
  45 struct bit {
  46     unsigned char c[2];
  47     int v[2];
  48 };
  49
  50 class Hunzip
  51 {
  52
  53 protected:
  54     char * filename;
  55     FILE * fin;
  56     int bufsiz, lastbit, inc, inbits, outc;
  57     struct bit * dec;        // code table
  58     char in[BUFSIZE];        // input buffer
  59     char out[BUFSIZE + 1];   // Huffman-decoded buffer
  60     char line[BUFSIZE + 50]; // decoded line
  61     int getcode(const char * key);
  62     int getbuf();
  63     int fail(const char * err, const char * par);
  64
  65 public:
  66     Hunzip(const char * filename, const char * key = NULL);
  67     ~Hunzip();
  68     const char * getline();
  69 };
  70
  71 #endif