Mercurial > projects > dwt-mac
view dwt/browser/InputStream.d @ 126:38807a925e24
Fixed compile errors, support for SWT language files
author | Jacob Carlborg <doob@me.com> |
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date | Fri, 16 Jan 2009 23:35:40 +0100 |
parents | 5583f8eeee6c |
children |
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/******************************************************************************* * 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 XPCOM = dwt.internal.mozilla.XPCOM; 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; } extern(System) nsrefcnt AddRef () { refCount++; return refCount; } extern(System) 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; } extern(System) nsrefcnt Release () { refCount--; //if (refCount is 0) disposeCOMInterfaces (); return refCount; } /* nsIInputStream implementation */ extern(System) nsresult Close () { buffer = null; index = 0; return XPCOM.NS_OK; } extern(System) 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; } extern(System) 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; } extern(System) 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; } extern(System) nsresult IsNonBlocking (PRBool* _retval) { /* blocking */ *_retval = 0; return XPCOM.NS_OK; } }