| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (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.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| |
| */ |
| package org.apache.batik.parser; |
| |
| import java.io.IOException; |
| import java.util.Calendar; |
| |
| /** |
| * This class implements an event-based parser for SMIL timing specifier |
| * list values. |
| * |
| * @author <a href="mailto:cam%40mcc%2eid%2eau">Cameron McCormack</a> |
| * @version $Id$ |
| */ |
| public class TimingSpecifierParser extends TimingParser { |
| |
| /** |
| * The handler used to report parse events. |
| */ |
| protected TimingSpecifierHandler timingSpecifierHandler; |
| |
| /** |
| * Creates a new TimingSpecifierParser. |
| * @param useSVG11AccessKeys allows the use of accessKey() timing |
| * specifiers with a single character |
| * @param useSVG12AccessKeys allows the use of accessKey() with a |
| * DOM 3 key name |
| */ |
| public TimingSpecifierParser(boolean useSVG11AccessKeys, |
| boolean useSVG12AccessKeys) { |
| super(useSVG11AccessKeys, useSVG12AccessKeys); |
| timingSpecifierHandler = DefaultTimingSpecifierHandler.INSTANCE; |
| } |
| |
| /** |
| * Registers a parse event handler. |
| */ |
| public void setTimingSpecifierHandler(TimingSpecifierHandler handler) { |
| timingSpecifierHandler = handler; |
| } |
| |
| /** |
| * Returns the parse event handler in use. |
| */ |
| public TimingSpecifierHandler getTimingSpecifierHandler() { |
| return timingSpecifierHandler; |
| } |
| |
| /** |
| * Parses a timing specifier. |
| */ |
| protected void doParse() throws ParseException, IOException { |
| current = reader.read(); |
| Object[] spec = parseTimingSpecifier(); |
| skipSpaces(); |
| if (current != -1) { |
| reportError("end.of.stream.expected", |
| new Object[] { new Integer(current) }); |
| } |
| handleTimingSpecifier(spec); |
| } |
| |
| /** |
| * Calls the appropriate parse event handler function for the given |
| * parsed timing specifier. |
| */ |
| protected void handleTimingSpecifier(Object[] spec) { |
| int type = ((Integer) spec[0]).intValue(); |
| switch (type) { |
| case TIME_OFFSET: |
| timingSpecifierHandler.offset(((Float) spec[1]).floatValue()); |
| break; |
| case TIME_SYNCBASE: |
| timingSpecifierHandler.syncbase(((Float) spec[1]).floatValue(), |
| (String) spec[2], |
| (String) spec[3]); |
| break; |
| case TIME_EVENTBASE: |
| timingSpecifierHandler.eventbase(((Float) spec[1]).floatValue(), |
| (String) spec[2], |
| (String) spec[3]); |
| break; |
| case TIME_REPEAT: { |
| float offset = ((Float) spec[1]).floatValue(); |
| String syncbaseID = (String) spec[2]; |
| if (spec[3] == null) { |
| timingSpecifierHandler.repeat(offset, syncbaseID); |
| } else { |
| timingSpecifierHandler.repeat |
| (offset, syncbaseID, ((Integer) spec[3]).intValue()); |
| } |
| break; |
| } |
| case TIME_ACCESSKEY: |
| timingSpecifierHandler.accesskey |
| (((Float) spec[1]).floatValue(), |
| ((Character) spec[2]).charValue()); |
| break; |
| case TIME_ACCESSKEY_SVG12: |
| timingSpecifierHandler.accessKeySVG12 |
| (((Float) spec[1]).floatValue(), |
| (String) spec[2]); |
| break; |
| case TIME_MEDIA_MARKER: |
| timingSpecifierHandler.mediaMarker((String) spec[1], |
| (String) spec[2]); |
| break; |
| case TIME_WALLCLOCK: |
| timingSpecifierHandler.wallclock((Calendar) spec[1]); |
| break; |
| case TIME_INDEFINITE: |
| timingSpecifierHandler.indefinite(); |
| break; |
| } |
| } |
| } |