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annotate dwt/browser/InputStream.d @ 343:96243e3ebcf0

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Mozilla.d compiles successfully :)
author John Reimer <terminal.node@gmail.com>
date Mon, 27 Oct 2008 06:28:02 -0700
parents 942da4b6558a
children 5abc6f7f7a95
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * John Reimer <terminal.node@gmail.com>
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12 *******************************************************************************/
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13 module dwt.browser.InputStream;
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14
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15 import Math = tango.math.Math;
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16 import dwt.dwthelper.utils;
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17
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18 //import dwt.internal.C;
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19 import XPCOM = dwt.internal.mozilla.XPCOM;
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20 //import dwt.internal.mozilla.XPCOMObject;
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21 import dwt.internal.mozilla.nsID;
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22 import dwt.internal.mozilla.nsIInputStream;
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23 import dwt.internal.mozilla.nsISupports;
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96243e3ebcf0 Mozilla.d compiles successfully :)
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24 import dwt.internal.mozilla.Common;
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25
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26 class InputStream : nsIInputStream {
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27 //XPCOMObject inputStream;
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28 int refCount = 0;
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29
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30 byte[] buffer;
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31 int index = 0;
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32
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33 this (byte[] buffer) {
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34 this.buffer = buffer;
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35 index = 0;
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36 //createCOMInterfaces ();
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37 }
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38
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39 nsrefcnt AddRef () {
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40 refCount++;
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41 return refCount;
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42 }
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43 /+
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44 void createCOMInterfaces () {
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45 /* Create each of the interfaces that this object implements */
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46 inputStream = new XPCOMObject (new int[] {2, 0, 0, 0, 1, 3, 4, 1}) {
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47 public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);}
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48 public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();}
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49 public int /*long*/ method2 (int /*long*/[] args) {return Release ();}
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50 public int /*long*/ method3 (int /*long*/[] args) {return Close ();}
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51 public int /*long*/ method4 (int /*long*/[] args) {return Available (args[0]);}
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52 public int /*long*/ method5 (int /*long*/[] args) {return Read (args[0], (int)/*64*/args[1], args[2]);}
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53 public int /*long*/ method6 (int /*long*/[] args) {return ReadSegments (args[0], args[1], (int)/*64*/args[2], args[3]);}
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54 public int /*long*/ method7 (int /*long*/[] args) {return IsNonBlocking (args[0]);}
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55 };
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56 }
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57
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58 void disposeCOMInterfaces () {
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59 if (inputStream !is null) {
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60 inputStream.dispose ();
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61 inputStream = null;
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62 }
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63 }
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64
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65 int /*long*/ getAddress () {
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66 return inputStream.getAddress ();
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67 }
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68 +/
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69 nsresult QueryInterface (nsID* riid, void** ppvObject) {
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70 if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE;
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71 //nsID guid = new nsID ();
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72 //XPCOM.memmove (guid, riid, nsID.sizeof);
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73
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74 if (*riid == nsISupports.IID) {
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75 *ppvObject = cast(void*)cast(nsISupports)this;
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76 AddRef ();
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77 return XPCOM.NS_OK;
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78 }
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79 if (*riid == nsIInputStream.IID) {
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80 *ppvObject = cast(void*)cast(nsIInputStream)this;
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81 AddRef ();
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82 return XPCOM.NS_OK;
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83 }
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84 *ppvObject = null;
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85 return XPCOM.NS_ERROR_NO_INTERFACE;
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86 }
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87
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88 nsrefcnt Release () {
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89 refCount--;
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90 //if (refCount is 0) disposeCOMInterfaces ();
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91 return refCount;
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92 }
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93
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94 /* nsIInputStream implementation */
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95
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96 nsresult Close () {
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97 buffer = null;
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98 index = 0;
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99 return XPCOM.NS_OK;
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100 }
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101
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102 nsresult Available (PRUint32* _retval) {
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103 PRUint32 available = buffer is null ? 0 : buffer.length - index;
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104 *_retval = available;
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105 //XPCOM.memmove (_retval, new int[] {available}, 4);
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106 return XPCOM.NS_OK;
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107 }
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108
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109 nsresult Read(byte* aBuf, PRUint32 aCount, PRUint32* _retval) {
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110 int max = Math.min (aCount, buffer is null ? 0 : buffer.length - index);
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111 if (aBuf is null)
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112 assert(0);
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113 if (max > 0) {
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114 //byte[] src = new byte[max];
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115 //System.arraycopy (buffer, index, src, 0, max);
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116 //XPCOM.memmove (aBuf, src, max);
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117 aBuf[0..max] = buffer[index..$];
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118 index += max;
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119 }
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120 *_retval = max;
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121 return XPCOM.NS_OK;
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122 }
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123
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124 nsresult ReadSegments (nsWriteSegmentFun aWriter, void* aClosure, PRUint32 aCount, PRUint32* _retval) {
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125 int max = Math.min (aCount, buffer is null ? 0 : buffer.length - index);
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126 PRUint32 cnt = max;
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127 while (cnt > 0) {
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128 PRUint32 aWriteCount;
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129 nsresult rc = aWrite (cast(nsIInputStream)this, aClosure, buffer.ptr, index, cnt, &aWriteCount);
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130 if (rc !is XPCOM.NS_OK) break;
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131 index += aWriteCount;
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132 cnt -= aWriteCount;
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133 }
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134 //XPCOM.memmove (_retval, new int[] {max - cnt}, 4);
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135 *_retval = (max - cnt);
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136 return XPCOM.NS_OK;
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137 }
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138
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139 nsresult IsNonBlocking (PRUint32* _retval) {
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140 /* blocking */
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141 *_retval = 0;
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142 return XPCOM.NS_OK;
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143 }
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144 }