GNU CommonC++
zstream.h
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2// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.
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38
44#ifndef CCXX_ZSTREAM_H_
45#define CCXX_ZSTREAM_H_
46
47#ifndef CCXX_MISSING_H_
48#include <cc++/missing.h>
49#endif
50
51#ifndef CCXX_THREAD_H_
52#include <cc++/thread.h>
53#endif
54
55#ifndef CCXX_STRING_H_
56#include <cc++/string.h>
57#endif
58
59#ifndef CCXX_EXCEPTION_H_
60#include <cc++/exception.h>
61#endif
62
63#include <zlib.h>
64
65#ifdef CCXX_NAMESPACES
66namespace ost {
67#endif
68
69#ifdef COMMON_STD_EXCEPTION
70
71class __EXPORT IOZException : public IOException
72{
73public:
74 IOZException(const String &str) : IOException(str) {};
75};
76
77#endif
78
79class __EXPORT IZStream : protected std::streambuf, public std::istream
80{
81private:
82 gzFile fp;
83 int doallocate();
84 bool throwflag;
85
86protected:
87 size_t bufsize;
88 char *gbuf;
89
90 void allocate(size_t size);
91
92 int underflow();
93
94 int uflow();
95
96public:
97 IZStream(bool throwflag = false);
98 IZStream(const char *name, size_t size = 512, bool tf = false);
99
100 bool isOpen(void);
101
102 void close(void);
103
104 virtual ~IZStream();
105
106 void open(const char *name, size_t size = 512);
107
108 inline size_t getBufferSize(void)
109 {return bufsize;};
110};
111
112class __EXPORT OZStream : protected std::streambuf, public std::ostream
113{
114private:
115 gzFile fp;
116 int doallocate();
117 bool throwflag;
118
119protected:
120 size_t bufsize;
121 char *pbuf;
122
123 void allocate(size_t size);
124
125 int overflow(int ch);
126
127public:
128 OZStream(bool throwflag = false);
129 OZStream(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512, bool tf = false);
130
131 bool isOpen(void);
132
133 void close(void);
134
135 virtual ~OZStream();
136
137 void open(const char *name, int level = Z_DEFAULT_COMPRESSION, size_t size = 512);
138
139 inline size_t getBufferSize(void)
140 {return bufsize;};
141};
142
143#ifdef CCXX_NAMESPACES
144}
145#endif
146
147#endif
Definition zstream.h:80
void allocate(size_t size)
virtual ~IZStream()
bool isOpen(void)
char * gbuf
Definition zstream.h:88
size_t getBufferSize(void)
Definition zstream.h:108
void open(const char *name, size_t size=512)
IZStream(bool throwflag=false)
IZStream(const char *name, size_t size=512, bool tf=false)
size_t bufsize
Definition zstream.h:87
void close(void)
Definition zstream.h:113
bool isOpen(void)
OZStream(bool throwflag=false)
size_t bufsize
Definition zstream.h:120
int overflow(int ch)
virtual ~OZStream()
void close(void)
char * pbuf
Definition zstream.h:121
OZStream(const char *name, int level=Z_DEFAULT_COMPRESSION, size_t size=512, bool tf=false)
void open(const char *name, int level=Z_DEFAULT_COMPRESSION, size_t size=512)
size_t getBufferSize(void)
Definition zstream.h:139
void allocate(size_t size)
#define __EXPORT
Definition config.h:1045
GNU Common C++ exception model base classes.
substitute functions which may be missing in target platform libc.
Definition address.h:64
Common C++ generic string class.
Synchronization and threading services.