| 1 | /**************************************************************************
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| 2 | *
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| 3 | * text.h -- Header file for compression related stuff
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| 4 | * Copyright (C) 1999 Rodger McNab
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 19 | *
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| 20 | * $Id: text.cpp 855 2000-01-14 02:17:52Z sjboddie $
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| 21 | *
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| 22 | **************************************************************************/
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| 23 |
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| 24 | #include "text.h"
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| 25 |
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| 26 | // UCArray currently contains all the basic reading and writing
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| 27 | // functions
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| 28 | #include "UCArray.h"
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| 29 |
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| 30 |
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| 31 | compressed_text_header::compressed_text_header () {
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| 32 | Clear();
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| 33 | }
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| 34 |
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| 35 | void compressed_text_header::Clear () {
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| 36 | num_of_docs = 0;
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| 37 | num_of_words = 0;
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| 38 | num_of_bytes = 0.0;
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| 39 | }
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| 40 |
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| 41 |
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| 42 | bool compressed_text_header::Read (FILE *f) {
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| 43 | return (ReadUL (f, num_of_docs) &&
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| 44 | ReadUL (f, num_of_words) &&
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| 45 | ReadD (f, num_of_bytes));
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| 46 | }
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| 47 |
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| 48 | bool compressed_text_header::Write (FILE *f) const {
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| 49 | return (WriteUL (f, num_of_docs) &&
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| 50 | WriteUL (f, num_of_words) &&
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| 51 | WriteD (f, num_of_bytes));
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| 52 | }
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| 53 |
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| 54 |
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| 55 | auxiliary_dict::auxiliary_dict () {
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| 56 | word_data[0] = NULL;
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| 57 | word_data[1] = NULL;
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| 58 | words[0] = NULL;
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| 59 | words[1] = NULL;
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| 60 | }
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| 61 |
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| 62 | auxiliary_dict::~auxiliary_dict () {
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| 63 | Clear ();
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| 64 | }
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| 65 |
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| 66 | void auxiliary_dict::Clear () {
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| 67 | if (word_data[0] != NULL) {
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| 68 | delete word_data[0];
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| 69 | word_data[0] = NULL;
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| 70 | }
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| 71 | if (word_data[1] != NULL) {
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| 72 | delete word_data[1];
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| 73 | word_data[1] = NULL;
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| 74 | }
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| 75 | if (words[0] != NULL) {
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| 76 | delete words[0];
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| 77 | words[0] = NULL;
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| 78 | }
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| 79 | if (words[1] != NULL) {
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| 80 | delete words[1];
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| 81 | words[1] = NULL;
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| 82 | }
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| 83 | }
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| 84 |
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| 85 |
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| 86 | compression_dict::compression_dict () {
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| 87 | int which;
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| 88 | for (which = 0; which < 2; which++) {
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| 89 | cfh[which] = NULL;
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| 90 | values[which] = NULL;
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| 91 | escape[which] = NULL;
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| 92 | chars_huff[which] = NULL;
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| 93 | chars_vals[which] = NULL;
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| 94 | lens_huff[which] = NULL;
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| 95 | lens_vals[which] = NULL;
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| 96 | }
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| 97 |
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| 98 | MemForCompDict = 0;
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| 99 | ad = NULL;
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| 100 | fast_loaded = 0;
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| 101 | }
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| 102 |
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| 103 | compression_dict::~compression_dict () {
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| 104 | Clear ();
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| 105 | }
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| 106 |
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| 107 | void compression_dict::Clear () {
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| 108 | int which;
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| 109 | for (which = 0; which < 2; which++) {
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| 110 | if (cfh[which] != NULL) {
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| 111 | delete cfh[which];
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| 112 | cfh[which] = NULL;
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| 113 | }
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| 114 | if (values[which] != NULL) {
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| 115 | delete values[which][0][0];
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| 116 | delete values[which][0];
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| 117 | delete values[which];
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| 118 | values[which] = NULL;
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| 119 | }
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| 120 | if (escape[which] != NULL) { // don't know if needed
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| 121 | delete escape[which];
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| 122 | escape[which] = NULL;
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| 123 | }
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| 124 | if (chars_huff[which] != NULL) {
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| 125 | delete chars_huff[which];
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| 126 | chars_huff[which] = NULL;
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| 127 | }
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| 128 | if (chars_vals[which] != NULL) {
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| 129 | delete chars_vals[which][0];
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| 130 | delete chars_vals[which];
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| 131 | chars_vals[which] = NULL;
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| 132 | }
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| 133 | if (lens_huff[which] != NULL) {
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| 134 | delete lens_huff[which];
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| 135 | lens_huff[which] = NULL;
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| 136 | }
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| 137 | if (lens_vals[which] != NULL) {
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| 138 | delete lens_vals[which][0];
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| 139 | delete lens_vals[which];
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| 140 | lens_vals[which] = NULL;
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | if (ad != NULL) {
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| 145 | delete ad;
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| 146 | ad = NULL;
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| 147 | }
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| 148 |
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| 149 | MemForCompDict = 0;
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| 150 | fast_loaded = 0;
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| 151 | }
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