Mercurial > projects > dwt-linux
annotate dwt/dwthelper/FileInputStream.d @ 360:ee1dd551f5b1
Make compilable for tango 0.99.8
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Fri, 20 Mar 2009 20:30:32 +0100 |
| parents | 8ebacc5c07dc |
| children |
| rev | line source |
|---|---|
| 12 | 1 /** |
| 2 * Authors: Frank Benoit <keinfarbton@googlemail.com> | |
| 3 */ | |
| 4 module dwt.dwthelper.FileInputStream; | |
| 5 | |
| 6 import dwt.dwthelper.utils; | |
| 7 import dwt.dwthelper.File; | |
| 8 import dwt.dwthelper.InputStream; | |
| 9 | |
| 316 | 10 version(TANGOSVN){ |
|
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ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
11 import TangoFile = tango.io.device.File; |
| 316 | 12 } else { |
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ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
13 import TangoFile = tango.io.FileConduit; |
| 316 | 14 } |
| 12 | 15 import tango.core.Exception; |
| 16 import tango.text.convert.Format; | |
| 17 | |
| 18 public class FileInputStream : dwt.dwthelper.InputStream.InputStream { | |
| 19 | |
| 20 alias dwt.dwthelper.InputStream.InputStream.read read; | |
| 21 | |
|
360
ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
22 private TangoFile.File conduit; |
| 12 | 23 private ubyte[] buffer; |
| 24 private int buf_pos; | |
| 25 private int buf_size; | |
| 26 private const int BUFFER_SIZE = 0x10000; | |
| 27 private bool eof; | |
| 28 | |
| 238 | 29 public this ( String name ){ |
|
360
ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
30 conduit = new TangoFile.File( name ); |
| 12 | 31 buffer = new ubyte[]( BUFFER_SIZE ); |
| 32 } | |
| 33 | |
| 34 public this ( dwt.dwthelper.File.File file ){ | |
| 35 implMissing( __FILE__, __LINE__ ); | |
|
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ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
36 conduit = new TangoFile.File( file.getAbsolutePath(), TangoFile.File.ReadExisting ); |
| 12 | 37 buffer = new ubyte[]( BUFFER_SIZE ); |
| 38 } | |
| 39 | |
| 40 public override int read(){ | |
| 41 if( eof ){ | |
| 42 return -1; | |
| 43 } | |
| 44 try{ | |
| 45 if( buf_pos == buf_size ){ | |
| 46 buf_pos = 0; | |
|
360
ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
47 buf_size = conduit.input.read( buffer ); |
| 12 | 48 } |
| 49 if( buf_size <= 0 ){ | |
| 50 eof = true; | |
| 51 return -1; | |
| 52 } | |
| 53 assert( buf_pos < BUFFER_SIZE, Format( "{0} {1}", buf_pos, buf_size ) ); | |
| 54 assert( buf_size <= BUFFER_SIZE ); | |
| 55 int res = cast(int) buffer[ buf_pos ]; | |
| 56 buf_pos++; | |
| 57 return res; | |
| 58 } | |
| 59 catch( IOException e ){ | |
| 60 eof = true; | |
| 61 return -1; | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 public long skip( long n ){ | |
| 66 implMissing( __FILE__, __LINE__ ); | |
| 67 return 0L; | |
| 68 } | |
| 69 | |
| 70 public int available(){ | |
| 71 implMissing( __FILE__, __LINE__ ); | |
| 72 return 0; | |
| 73 } | |
| 74 | |
| 75 public override void close(){ | |
|
360
ee1dd551f5b1
Make compilable for tango 0.99.8
Frank Benoit <benoit@tionex.de>
parents:
356
diff
changeset
|
76 conduit.close(); |
| 12 | 77 } |
| 78 } | |
| 79 | |
| 80 |