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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*******************************************************************************
2
3 copyright: Copyright (c) 2007 Kris Bell. All rights reserved
4
5 license: BSD style: $(LICENSE)
6
7 version: Initial release: Nov 2007
8
9 author: Kris
10
11 *******************************************************************************/
12
13 module tango.io.stream.DataFileStream;
14
15 private import tango.io.FileConduit;
16
17 private import tango.io.stream.DataStream;
18
19 /*******************************************************************************
20
21 Composes a seekable file with buffered binary input. A seek causes
22 the input buffer to be cleared
23
24 *******************************************************************************/
25
26 class DataFileInput : DataInput
27 {
28 private FileConduit conduit;
29
30 /***********************************************************************
31
32 Wrap a FileConduit instance
33
34 ***********************************************************************/
35
36 this (FileConduit file, uint buffer=uint.max)
37 {
38 super (conduit = file, buffer);
39 }
40
41 /***********************************************************************
42
43 Set the file seek position to the specified offset, and
44 clear the input buffer
45
46 ***********************************************************************/
47
48 final long seek (long offset)
49 {
50 host.clear;
51 return conduit.seek (offset);
52 }
53
54 /***********************************************************************
55
56 Return the underlying conduit
57
58 ***********************************************************************/
59
60 final FileConduit file ()
61 {
62 return conduit;
63 }
64 }
65
66
67 /*******************************************************************************
68
69 Composes a seekable file with buffered binary output. A seek causes
70 the output buffer to be flushed first
71
72 *******************************************************************************/
73
74 class DataFileOutput : DataOutput
75 {
76 private FileConduit conduit;
77
78 /***********************************************************************
79
80 Wrap a FileConduit instance
81
82 ***********************************************************************/
83
84 this (FileConduit file, uint buffer=uint.max)
85 {
86 super (conduit = file, buffer);
87 }
88
89 /***********************************************************************
90
91 Set the file seek position to the specified offset, after
92 flushing the output buffer
93
94 ***********************************************************************/
95
96 final long seek (long offset)
97 {
98 host.flush;
99 return conduit.seek (offset);
100 }
101
102 /***********************************************************************
103
104 Return the underlying conduit
105
106 ***********************************************************************/
107
108 final FileConduit file ()
109 {
110 return conduit;
111 }
112 }
113
114
115 /*******************************************************************************
116
117 *******************************************************************************/
118
119 debug (UnitTest)
120 {
121 }