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;
+}