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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 03:01:46 +0000 |
commit | f8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch) | |
tree | 26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp | |
parent | Initial commit. (diff) | |
download | virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.tar.xz virtualbox-f8fe689a81f906d1b91bb3220acde2a4ecb14c5b.zip |
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp')
-rw-r--r-- | src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp b/src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp new file mode 100644 index 00000000..5458b1b7 --- /dev/null +++ b/src/libs/xpcom18a4/xpcom/io/nsScriptableInputStream.cpp @@ -0,0 +1,102 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is mozilla.org code. + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either of the GNU General Public License Version 2 or later (the "GPL"), + * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include "nsScriptableInputStream.h" +#include "nsMemory.h" + +NS_IMPL_ISUPPORTS1(nsScriptableInputStream, nsIScriptableInputStream) + +// nsIBaseStream methods +NS_IMETHODIMP +nsScriptableInputStream::Close(void) { + if (!mInputStream) return NS_ERROR_NOT_INITIALIZED; + return mInputStream->Close(); +} + +// nsIScriptableInputStream methods +NS_IMETHODIMP +nsScriptableInputStream::Init(nsIInputStream *aInputStream) { + if (!aInputStream) return NS_ERROR_NULL_POINTER; + mInputStream = aInputStream; + return NS_OK; +} + +NS_IMETHODIMP +nsScriptableInputStream::Available(PRUint32 *_retval) { + if (!mInputStream) return NS_ERROR_NOT_INITIALIZED; + return mInputStream->Available(_retval); +} + +NS_IMETHODIMP +nsScriptableInputStream::Read(PRUint32 aCount, char **_retval) { + nsresult rv = NS_OK; + PRUint32 count = 0; + char *buffer = nsnull; + + if (!mInputStream) return NS_ERROR_NOT_INITIALIZED; + + rv = mInputStream->Available(&count); + if (NS_FAILED(rv)) return rv; + + count = PR_MIN(count, aCount); + buffer = (char*)nsMemory::Alloc(count+1); // make room for '\0' + if (!buffer) return NS_ERROR_OUT_OF_MEMORY; + + PRUint32 amtRead = 0; + rv = mInputStream->Read(buffer, count, &amtRead); + if (NS_FAILED(rv)) { + nsMemory::Free(buffer); + return rv; + } + + buffer[amtRead] = '\0'; + *_retval = buffer; + return NS_OK; +} + +NS_METHOD +nsScriptableInputStream::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult) { + if (aOuter) return NS_ERROR_NO_AGGREGATION; + + nsScriptableInputStream *sis = new nsScriptableInputStream(); + if (!sis) return NS_ERROR_OUT_OF_MEMORY; + + NS_ADDREF(sis); + nsresult rv = sis->QueryInterface(aIID, aResult); + NS_RELEASE(sis); + return rv; +} |