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- /* -*- 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 FastLoad code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2001
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Brendan Eich <brendan@mozilla.org> (original author)
- *
- * 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 "nsISupports.idl"
- #include "nsrootidl.idl"
-
- interface nsIFile;
- interface nsISimpleEnumerator;
-
- /**
- * The nsIFastLoadFileControl interface and its subinterfaces are mix-ins for
- * classes implementing nsIObjectInputStream and nsIObjectOutputStream, so that
- * those stream types can be used with nsIFastLoadService to access and compute
- * FastLoad file checksums, update and check FastLoad file dependencies, and
- * multiplex documents loaded via non-blocking i/o.
- *
- * If an nsIObjectInputStream class doesn't support nsIFastLoadReadControl, or
- * an nsIObjectOutputStream class doesn't support nsIFastLoadWriteControl, that
- * implementation may still be useful for object serialization, but it can't be
- * used to read or write a Mozilla FastLoad file.
- */
- [scriptable, uuid(8a1e2c63-af50-4147-af7e-26289dc180dd)]
- interface nsIFastLoadFileControl : nsISupports
- {
- /**
- * Get and set the recorded checksum value from the FastLoad file header.
- */
- attribute PRUint32 checksum;
-
- /**
- * Multiplexed document control methods. A FastLoad file may contain
- * multiple interleaved documents identified by a URI specifier string,
- * and indexed for fast multiplexor select by an opaque URI object key.
- * You StartMuxedDocument when initiating a document load, then Select
- * before every batch of calls to (de)serialize document data, and End
- * when the load completes.
- *
- * Document multiplexing is necessary to support incremental FastLoad
- * development in a non-blocking i/o architecture such as Mozilla, where
- * some (but not all, at first, or for a while during development) of the
- * results of parsing and compiling various inputs can be multiplexed to
- * or from a FastLoad file.
- *
- * Note: Select returns the previously selected URI object in case the
- * caller is synchronously selecting and writing data to the FastLoad
- * file, so the caller can reselect the previous URI and return to code
- * the continues to write FastLoad data for the previous URI, unaware of
- * the nested select/write/reselect.
- */
- void startMuxedDocument(in nsISupports aURI, in string aURISpec);
- nsISupports selectMuxedDocument(in nsISupports aURI);
- void endMuxedDocument(in nsISupports aURI);
-
- /**
- * Return true if aURISpec identifies a muxed document in the FastLoad
- * file, false otherwise.
- */
- boolean hasMuxedDocument(in string aURISpec);
- };
-
- [scriptable, uuid(652ecec6-d40b-45b6-afef-641d6c63a35b)]
- interface nsIFastLoadReadControl : nsIFastLoadFileControl
- {
- /**
- * Computes the correct checksum of the FastLoad file, independent of the
- * header's checksum value. The header checksum field is treated as zero
- * when computing the checksum.
- */
- PRUint32 computeChecksum();
-
- /**
- * Get the collection of dependency nsIFile instances recorded during the
- * FastLoad file write or read/update process, and checked during the read
- * process to invalidate the FastLoad file if any dependencies are newer.
- */
- readonly attribute nsISimpleEnumerator dependencies;
- };
-
- [scriptable, uuid(2ad6e9e6-1379-4e45-a899-a54b27ff915c)]
- interface nsIFastLoadWriteControl : nsIFastLoadFileControl
- {
- /**
- * Add a file dependency of the FastLoad file (e.g., a .jar file) to the
- * set of dependencies that trigger regeneration if any dependency has a
- * last-modified-time greater than the FastLoad file's mtime.
- */
- void addDependency(in nsIFile aFile);
- };
-