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annotate dwt/dwthelper/InflaterInputStream.d @ 307:9995e4a9d2ee

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sync with dwt-win
author Frank Benoit <benoit@tionex.de>
date Thu, 21 Aug 2008 17:34:04 +0200
parents 9d67c3170a58
children a2166f25ce17
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1 /**
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2 * Authors: Frank Benoit <keinfarbton@googlemail.com>
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3 */
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4 module dwt.dwthelper.InflaterInputStream;
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5
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6 public import dwt.dwthelper.InputStream;
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7 import dwt.dwthelper.utils;
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8 import tango.io.Stdout;
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9 import tango.io.compress.ZlibStream;
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10 version(Windows){
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11 version(build){
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12 pragma(link,"zlib");
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13 }
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14 }
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15 import tango.io.Conduit;
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16
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17 class InputStreamWrapper : tango.io.model.IConduit.InputStream {
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18
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19 dwt.dwthelper.InputStream.InputStream istr;
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20
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21 this( dwt.dwthelper.InputStream.InputStream istr ){
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22 this.istr = istr;
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23 }
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24
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25 uint read (void[] dst){
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26 int res = istr.read( cast(byte[])dst );
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27 return res;
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28 }
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29 void[] load (void[] dst = null) {
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30 return Conduit.load (this, dst);
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31 }
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32
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33 tango.io.model.IConduit.InputStream clear (){
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34 return this;
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35 }
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36
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37 tango.io.model.IConduit.IConduit conduit (){
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38 return null;
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39 }
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40
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41 void close (){
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42 istr.close();
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43 }
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44 }
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45
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46 public class InflaterInputStream : dwt.dwthelper.InputStream.InputStream {
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47
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48 alias dwt.dwthelper.InputStream.InputStream.read read;
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49 alias dwt.dwthelper.InputStream.InputStream.skip skip;
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50 alias dwt.dwthelper.InputStream.InputStream.available available;
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51 alias dwt.dwthelper.InputStream.InputStream.close close;
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52 alias dwt.dwthelper.InputStream.InputStream.mark mark;
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53 alias dwt.dwthelper.InputStream.InputStream.reset reset;
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54 alias dwt.dwthelper.InputStream.InputStream.markSupported markSupported;
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55
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56 protected byte[] buf;
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57 protected int len;
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58 package bool usesDefaultInflater = false;
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59
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60 ZlibInput tangoIstr;
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61
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62 public this ( dwt.dwthelper.InputStream.InputStream istr ){
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63 tangoIstr = new ZlibInput( new InputStreamWrapper(istr ));
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64 }
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65
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66 public int read(){
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67 ubyte[1] data;
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68 uint res = tangoIstr.read( data );
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69 if( res !is 1 ){
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70 return data[0] & 0xFF;
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71 }
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72 return -1;
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73 }
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74
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75 public int read( byte[] b, int off, int len ){
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76 implMissing( __FILE__, __LINE__ );
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77 return 0;
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78 }
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79
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80 public int available(){
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81 implMissing( __FILE__, __LINE__ );
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82 return 0;
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83 }
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84
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85 public long skip( long n ){
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86 implMissing( __FILE__, __LINE__ );
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87 return 0L;
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88 }
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89
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90 public void close(){
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91 implMissing( __FILE__, __LINE__ );
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92 }
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93
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94 public void fill(){
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95 implMissing( __FILE__, __LINE__ );
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96 }
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97
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98 public bool markSupported(){
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99 implMissing( __FILE__, __LINE__ );
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100 return false;
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101 }
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102
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103 public synchronized void mark( int readlimit ){
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104 implMissing( __FILE__, __LINE__ );
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105 }
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106
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107 public synchronized void reset(){
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108 implMissing( __FILE__, __LINE__ );
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109 }
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110 }
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112