Mercurial > projects > dwt-linux

annotate dwt/dwthelper/FileInputStream.d @ 356:8ebacc5c07dc

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixes for TANGOSVN r4235 -- still some warnings but builds
author John Reimer <terminal.node@gmail.com>
date Sun, 04 Jan 2009 02:47:54 -0500
parents a2166f25ce17
children ee1dd551f5b1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1 /**
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
2 * Authors: Frank Benoit <keinfarbton@googlemail.com>
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
3 */
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
4 module dwt.dwthelper.FileInputStream;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
5
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
6 import dwt.dwthelper.utils;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
7 import dwt.dwthelper.File;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
8 import dwt.dwthelper.InputStream;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
9
316
a2166f25ce17 update TANGOSVN
Frank Benoit <benoit@tionex.de>
parents: 238
diff changeset
10 version(TANGOSVN){
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
11 import tango.io.device.File;
316
a2166f25ce17 update TANGOSVN
Frank Benoit <benoit@tionex.de>
parents: 238
diff changeset
12 } else {
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
13 import tango.io.FileConduit;
316
a2166f25ce17 update TANGOSVN
Frank Benoit <benoit@tionex.de>
parents: 238
diff changeset
14 }
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
15 import tango.io.protocol.Reader;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
16 import tango.core.Exception;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 import tango.text.convert.Format;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
19 public class FileInputStream : dwt.dwthelper.InputStream.InputStream {
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
20
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
21 alias dwt.dwthelper.InputStream.InputStream.read read;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
22
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
23 version(TANGOSVN)
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
24 private tango.io.device.File.File file_;
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
25 else
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
26 private FileConduit conduit;
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
27
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28 private ubyte[] buffer;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 private int buf_pos;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 private int buf_size;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31 private const int BUFFER_SIZE = 0x10000;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32 private bool eof;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33
238
380bad9f6852 reverted char[] to String
Frank Benoit <benoit@tionex.de>
parents: 12
diff changeset
34 public this ( String name ){
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
35 version(TANGOSVN)
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
36 file_ = new tango.io.device.File.File( name );
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
37 else
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
38 conduit = new FileConduit( name );
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
39
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
40 buffer = new ubyte[]( BUFFER_SIZE );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
41 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
42
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
43 public this ( dwt.dwthelper.File.File file ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
44 implMissing( __FILE__, __LINE__ );
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
45 version(TANGOSVN)
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
46 file_ = new tango.io.device.File.File ( file.getAbsolutePath(), tango.io.device.File.File.ReadExisting );
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
47 else
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
48 conduit = new FileConduit( file.getAbsolutePath(), FileConduit.ReadExisting );
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
49 buffer = new ubyte[]( BUFFER_SIZE );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
50 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
51
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
52 public override int read(){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
53 if( eof ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
54 return -1;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
55 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
56 try{
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
57 if( buf_pos == buf_size ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
58 buf_pos = 0;
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
59 version(TANGOSVN)
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
60 buf_size = file_.read( buffer );
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
61 else
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
62 buf_size = conduit.input.read( buffer );
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
63 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
64 if( buf_size <= 0 ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
65 eof = true;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
66 return -1;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
67 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
68 assert( buf_pos < BUFFER_SIZE, Format( "{0} {1}", buf_pos, buf_size ) );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
69 assert( buf_size <= BUFFER_SIZE );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
70 int res = cast(int) buffer[ buf_pos ];
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
71 buf_pos++;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
72 return res;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
73 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
74 catch( IOException e ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
75 eof = true;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
76 return -1;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
77 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
78 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
79
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
80 public long skip( long n ){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
81 implMissing( __FILE__, __LINE__ );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
82 return 0L;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
83 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
84
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
85 public int available(){
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
86 implMissing( __FILE__, __LINE__ );
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
87 return 0;
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
88 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
89
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
90 public override void close(){
356
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
91 version(TANGOSVN)
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
92 file_.close();
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
93 else
8ebacc5c07dc Fixes for TANGOSVN r4235 -- still some warnings but builds
John Reimer <terminal.node@gmail.com>
parents: 316
diff changeset
94 conduit.close();
12
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
95 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
96 }
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
97
0c78fa47d476 helper classes
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
98