Mercurial > projects > dwt-linux
view dwt/browser/InputStream.d @ 345:5abc6f7f7a95
Fixups
author | John Reimer <terminal.node@gmail.com> |
---|---|
date | Tue, 28 Oct 2008 22:07:01 -0700 |
parents | 96243e3ebcf0 |
children | 2e591eb01162 |
line wrap: on
line source
/******************************************************************************* * Copyright (c) 2003, 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * John Reimer <terminal.node@gmail.com> *******************************************************************************/ module dwt.browser.InputStream; import Math = tango.math.Math; import dwt.dwthelper.utils; //import dwt.internal.C; import XPCOM = dwt.internal.mozilla.XPCOM; //import dwt.internal.mozilla.XPCOMObject; import dwt.internal.mozilla.nsID; import dwt.internal.mozilla.nsIInputStream; import dwt.internal.mozilla.nsISupports; import dwt.internal.mozilla.Common; class InputStream : nsIInputStream { //XPCOMObject inputStream; int refCount = 0; byte[] buffer; int index = 0; this (byte[] buffer) { this.buffer = buffer; index = 0; //createCOMInterfaces (); } nsrefcnt AddRef () { refCount++; return refCount; } /+ void createCOMInterfaces () { /* Create each of the interfaces that this object implements */ inputStream = new XPCOMObject (new int[] {2, 0, 0, 0, 1, 3, 4, 1}) { public int /*long*/ method0 (int /*long*/[] args) {return QueryInterface (args[0], args[1]);} public int /*long*/ method1 (int /*long*/[] args) {return AddRef ();} public int /*long*/ method2 (int /*long*/[] args) {return Release ();} public int /*long*/ method3 (int /*long*/[] args) {return Close ();} public int /*long*/ method4 (int /*long*/[] args) {return Available (args[0]);} public int /*long*/ method5 (int /*long*/[] args) {return Read (args[0], (int)/*64*/args[1], args[2]);} public int /*long*/ method6 (int /*long*/[] args) {return ReadSegments (args[0], args[1], (int)/*64*/args[2], args[3]);} public int /*long*/ method7 (int /*long*/[] args) {return IsNonBlocking (args[0]);} }; } void disposeCOMInterfaces () { if (inputStream !is null) { inputStream.dispose (); inputStream = null; } } int /*long*/ getAddress () { return inputStream.getAddress (); } +/ nsresult QueryInterface (nsID* riid, void** ppvObject) { if (riid is null || ppvObject is null) return XPCOM.NS_ERROR_NO_INTERFACE; //nsID guid = new nsID (); //XPCOM.memmove (guid, riid, nsID.sizeof); if (*riid == nsISupports.IID) { *ppvObject = cast(void*)cast(nsISupports)this; AddRef (); return XPCOM.NS_OK; } if (*riid == nsIInputStream.IID) { *ppvObject = cast(void*)cast(nsIInputStream)this; AddRef (); return XPCOM.NS_OK; } *ppvObject = null; return XPCOM.NS_ERROR_NO_INTERFACE; } nsrefcnt Release () { refCount--; //if (refCount is 0) disposeCOMInterfaces (); return refCount; } /* nsIInputStream implementation */ nsresult Close () { buffer = null; index = 0; return XPCOM.NS_OK; } nsresult Available (PRUint32* _retval) { PRUint32 available = buffer is null ? 0 : buffer.length - index; *_retval = available; //XPCOM.memmove (_retval, new int[] {available}, 4); return XPCOM.NS_OK; } nsresult Read(byte* aBuf, PRUint32 aCount, PRUint32* _retval) { int max = Math.min (aCount, buffer is null ? 0 : buffer.length - index); if (aBuf is null) assert(0); if (max > 0) { //byte[] src = new byte[max]; //System.arraycopy (buffer, index, src, 0, max); //XPCOM.memmove (aBuf, src, max); aBuf[0..max] = buffer[index..$]; index += max; } *_retval = max; return XPCOM.NS_OK; } nsresult ReadSegments (nsWriteSegmentFun aWriter, void* aClosure, PRUint32 aCount, PRUint32* _retval) { int max = Math.min (aCount, buffer is null ? 0 : buffer.length - index); PRUint32 cnt = max; while (cnt > 0) { PRUint32 aWriteCount; nsresult rc = aWriter (cast(nsIInputStream)this, aClosure, buffer.ptr, index, cnt, &aWriteCount); if (rc !is XPCOM.NS_OK) break; index += aWriteCount; cnt -= aWriteCount; } //XPCOM.memmove (_retval, new int[] {max - cnt}, 4); *_retval = (max - cnt); return XPCOM.NS_OK; } nsresult IsNonBlocking (PRUint32* _retval) { /* blocking */ *_retval = 0; return XPCOM.NS_OK; } }