1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
/**
* hwpio.h
* (C) 1999 Mizi Research, All rights are reserved
*/
#ifndef INCLUDED_HWPFILTER_SOURCE_HIODEV_H
#define INCLUDED_HWPFILTER_SOURCE_HIODEV_H
#include <sal/config.h>
#include <stdio.h>
#include <sal/types.h>
#include "hwplib.h"
/**
* @short Abstract IO class
*/
class DLLEXPORT HIODev
{
protected:
bool compressed;
virtual void init();
public:
HIODev();
virtual ~HIODev();
virtual bool open() = 0;
virtual void close() = 0;
virtual void flush() = 0;
virtual int state() const = 0;
/* gzip routine wrapper */
virtual bool setCompressed( bool ) = 0;
virtual int read1b() = 0;
virtual int read2b() = 0;
virtual int read4b() = 0;
virtual int readBlock( void *ptr, int size ) = 0;
virtual int skipBlock( int size ) = 0;
virtual int read1b( void *ptr, int nmemb );
virtual int read2b( void *ptr, int nmemb );
virtual int read4b( void *ptr, int nmemb );
};
struct gz_stream;
/* 파일 입출력 장치 */
/**
* This controls the HStream given by constructor
* @short Stream IO device
*/
class HStreamIODev : public HIODev
{
private:
/* zlib으로 압축을 풀기 위한 자료 구조 */
gz_stream *_gzfp;
HStream& _stream;
public:
HStreamIODev(HStream& stream);
virtual ~HStreamIODev();
/**
* Check whether the stream is available
*/
virtual bool open() SAL_OVERRIDE;
/**
* Free stream object
*/
virtual void close() SAL_OVERRIDE;
/**
* If the stream is gzipped, flush the stream.
*/
virtual void flush() SAL_OVERRIDE;
/**
* Not implemented.
*/
virtual int state() const SAL_OVERRIDE;
/**
* Set whether the stream is compressed or not
*/
virtual bool setCompressed( bool ) SAL_OVERRIDE;
/**
* Read one byte from stream
*/
using HIODev::read1b;
virtual int read1b() SAL_OVERRIDE;
/**
* Read 2 bytes from stream
*/
using HIODev::read2b;
virtual int read2b() SAL_OVERRIDE;
/**
* Read 4 bytes from stream
*/
using HIODev::read4b;
virtual int read4b() SAL_OVERRIDE;
/**
* Read some bytes from stream to given pointer as amount of size
*/
virtual int readBlock( void *ptr, int size ) SAL_OVERRIDE;
/**
* Move current pointer of stream as amount of size
*/
virtual int skipBlock( int size ) SAL_OVERRIDE;
protected:
/**
* Initialize this object
*/
virtual void init() SAL_OVERRIDE;
};
/* 메모리 입출력 장치 */
/**
* The HMemIODev class controls the Input/Output device.
* @short Memory IO device
*/
class HMemIODev : public HIODev
{
uchar *ptr;
int pos, length;
public:
HMemIODev(char *s, int len);
virtual ~HMemIODev();
virtual bool open() SAL_OVERRIDE;
virtual void close() SAL_OVERRIDE;
virtual void flush() SAL_OVERRIDE;
virtual int state() const SAL_OVERRIDE;
/* gzip routine wrapper */
virtual bool setCompressed( bool ) SAL_OVERRIDE;
using HIODev::read1b;
virtual int read1b() SAL_OVERRIDE;
using HIODev::read2b;
virtual int read2b() SAL_OVERRIDE;
using HIODev::read4b;
virtual int read4b() SAL_OVERRIDE;
virtual int readBlock( void *ptr, int size ) SAL_OVERRIDE;
virtual int skipBlock( int size ) SAL_OVERRIDE;
protected:
virtual void init() SAL_OVERRIDE;
};
#endif // INCLUDED_HWPFILTER_SOURCE_HIODEV_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
