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Diffstat (limited to 'src/stable/file.h')
-rw-r--r-- | src/stable/file.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/stable/file.h b/src/stable/file.h new file mode 100644 index 0000000..e3225fa --- /dev/null +++ b/src/stable/file.h | |||
@@ -0,0 +1,106 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007-2011 Xagasoft, All rights reserved. | ||
3 | * | ||
4 | * This file is part of the libbu++ library and is released under the | ||
5 | * terms of the license contained in the file LICENSE. | ||
6 | */ | ||
7 | |||
8 | #ifndef BU_FILE_H | ||
9 | #define BU_FILE_H | ||
10 | |||
11 | #include <stdint.h> | ||
12 | #include <sys/types.h> | ||
13 | |||
14 | #include "bu/stream.h" | ||
15 | #include "bu/string.h" | ||
16 | #include "bu/exceptionbase.h" | ||
17 | |||
18 | namespace Bu | ||
19 | { | ||
20 | subExceptionDecl( FileException ); | ||
21 | |||
22 | /** | ||
23 | * A file stream. | ||
24 | *@ingroup Streams | ||
25 | */ | ||
26 | class File : public Bu::Stream | ||
27 | { | ||
28 | public: | ||
29 | File( const Bu::String &sName, int iFlags ); | ||
30 | File( int fd ); | ||
31 | virtual ~File(); | ||
32 | |||
33 | virtual void close(); | ||
34 | virtual Bu::size read( void *pBuf, Bu::size nBytes ); | ||
35 | virtual Bu::size write( const void *pBuf, Bu::size nBytes ); | ||
36 | using Stream::write; | ||
37 | |||
38 | virtual Bu::size tell(); | ||
39 | virtual void seek( Bu::size offset ); | ||
40 | virtual void setPos( Bu::size pos ); | ||
41 | virtual void setPosEnd( Bu::size pos ); | ||
42 | virtual bool isEos(); | ||
43 | virtual bool isOpen(); | ||
44 | |||
45 | virtual void flush(); | ||
46 | |||
47 | virtual bool canRead(); | ||
48 | virtual bool canWrite(); | ||
49 | |||
50 | virtual bool isReadable(); | ||
51 | virtual bool isWritable(); | ||
52 | virtual bool isSeekable(); | ||
53 | |||
54 | virtual bool isBlocking(); | ||
55 | virtual void setBlocking( bool bBlocking=true ); | ||
56 | |||
57 | enum { | ||
58 | // Flags | ||
59 | Read = 0x01, ///< Open file for reading | ||
60 | Write = 0x02, ///< Open file for writing | ||
61 | Create = 0x04, ///< Create file if it doesn't exist | ||
62 | Truncate = 0x08, ///< Truncate file if it does exist | ||
63 | Append = 0x10, ///< Always append on every write | ||
64 | NonBlock = 0x20, ///< Open file in non-blocking mode | ||
65 | Exclusive = 0x44, ///< Create file, if it exists then fail | ||
66 | |||
67 | // Helpful mixes | ||
68 | ReadWrite = 0x03, ///< Open for reading and writing | ||
69 | WriteNew = 0x0E ///< Create a file (or truncate) for writing. | ||
70 | /// Same as Write|Create|Truncate | ||
71 | }; | ||
72 | |||
73 | virtual void setSize( Bu::size iSize ); | ||
74 | |||
75 | virtual size getSize() const; | ||
76 | virtual size getBlockSize() const; | ||
77 | virtual Bu::String getLocation() const; | ||
78 | |||
79 | /** | ||
80 | * Create a temp file and return its handle. The file is opened | ||
81 | * Read/Write. | ||
82 | *@param sName (Bu::String) Give in the form: "/tmp/tmpfileXXXXXXXX" | ||
83 | * It will alter your (sName) setting the 'X's to random | ||
84 | * characters. | ||
85 | *@returns (Bu::File) A file object representing your temp file. | ||
86 | */ | ||
87 | static Bu::File tempFile( Bu::String &sName ); | ||
88 | |||
89 | #ifndef WIN32 | ||
90 | /** | ||
91 | * Change the file access permissions. | ||
92 | *@param t (mode_t) The new file access permissions. | ||
93 | */ | ||
94 | void chmod( mode_t t ); | ||
95 | #endif | ||
96 | |||
97 | private: | ||
98 | int getPosixFlags( int iFlags ); | ||
99 | |||
100 | private: | ||
101 | int fd; | ||
102 | bool bEos; | ||
103 | }; | ||
104 | } | ||
105 | |||
106 | #endif | ||