aboutsummaryrefslogtreecommitdiff
path: root/src/file.cpp
blob: 1a8bd08e4e623011b698a8ab6c4a266500d8bcc9 (plain)
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
#include "file.h"
#include "exceptions.h"
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>

Bu::File::File( const char *sName, const char *sFlags )
{
	fh = fopen( sName, sFlags );
	if( fh == NULL )
	{
		throw Bu::FileException( errno, strerror(errno) );
	}
}

Bu::File::File( const Bu::FString &sName, const char *sFlags )
{
	fh = fopen( sName.getStr(), sFlags );
	if( fh == NULL )
	{
		throw Bu::FileException( errno, strerror(errno) );
	}
}

Bu::File::File( int fd, const char *sFlags )
{
	fh = fdopen( fd, sFlags );
}

Bu::File::~File()
{
	close();
}

void Bu::File::close()
{
	if( fh )
	{
		fclose( fh );
		fh = NULL;
	}
}

size_t Bu::File::read( void *pBuf, size_t nBytes )
{
	if( !fh )
		throw FileException("File not open.");

	int nAmnt = fread( pBuf, 1, nBytes, fh );

	//if( nAmnt == 0 )
	//	throw FileException("End of file.");

	return nAmnt;
}

size_t Bu::File::write( const void *pBuf, size_t nBytes )
{
	if( !fh )
		throw FileException("File not open.");

	return fwrite( pBuf, 1, nBytes, fh );
}

long Bu::File::tell()
{
	if( !fh )
		throw FileException("File not open.");

	return ftell( fh );
}

void Bu::File::seek( long offset )
{
	if( !fh )
		throw FileException("File not open.");

	fseek( fh, offset, SEEK_CUR );
}

void Bu::File::setPos( long pos )
{
	if( !fh )
		throw FileException("File not open.");

	fseek( fh, pos, SEEK_SET );
}

void Bu::File::setPosEnd( long pos )
{
	if( !fh )
		throw FileException("File not open.");
	
	fseek( fh, pos, SEEK_END );
}

bool Bu::File::isEOS()
{
	return feof( fh );
}

bool Bu::File::canRead()
{
	return true;
}

bool Bu::File::canWrite()
{
	return true;
}

bool Bu::File::isReadable()
{
	return true;
}

bool Bu::File::isWritable()
{
	return true;
}

bool Bu::File::isSeekable()
{
	return true;
}

bool Bu::File::isBlocking()
{
	return true;
}

void Bu::File::setBlocking( bool bBlocking )
{
	return;
}

#ifndef WIN32
void Bu::File::truncate( long nSize )
{
	ftruncate( fileno( fh ), nSize );
}

void Bu::File::chmod( mode_t t )
{
	fchmod( fileno( fh ), t );
}
#endif

void Bu::File::flush()
{
	fflush( fh );
}

bool Bu::File::isOpen()
{
	return (fh != NULL);
}