001: /*
002: * The Apache Software License, Version 1.1
003: *
004: * Copyright (c) 1999 The Apache Software Foundation. All rights
005: * reserved.
006: *
007: * Redistribution and use in source and binary forms, with or without
008: * modification, are permitted provided that the following conditions
009: * are met:
010: *
011: * 1. Redistributions of source code must retain the above copyright
012: * notice, this list of conditions and the following disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The end-user documentation included with the redistribution, if
020: * any, must include the following acknowlegement:
021: * "This product includes software developed by the
022: * Apache Software Foundation (http://www.apache.org/)."
023: * Alternately, this acknowlegement may appear in the software itself,
024: * if and wherever such third-party acknowlegements normally appear.
025: *
026: * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
027: * Foundation" must not be used to endorse or promote products derived
028: * from this software without prior written permission. For written
029: * permission, please contact apache@apache.org.
030: *
031: * 5. Products derived from this software may not be called "Apache"
032: * nor may "Apache" appear in their names without prior written
033: * permission of the Apache Group.
034: *
035: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
036: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
037: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
038: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
039: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
040: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
041: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
042: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
043: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
044: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
045: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
046: * SUCH DAMAGE.
047: * ====================================================================
048: *
049: * This software consists of voluntary contributions made by many
050: * individuals on behalf of the Apache Software Foundation. For more
051: * information on the Apache Software Foundation, please see
052: * <http://www.apache.org/>.
053: *
054: */
055: package com.sun.portal.providers.jsp.jasper3.jasper.compiler;
056:
057: import java.util.Hashtable;
058: import java.util.Vector;
059:
060: import javax.servlet.jsp.tagext.TagInfo;
061: import javax.servlet.jsp.tagext.TagLibraryInfo;
062:
063: import com.sun.portal.providers.jsp.jasper3.jasper.JasperException;
064:
065: /**
066: * Interface for the JSP code generation backend. At some point should
067: * probably try and make this a SAX (XML) listener.
068: *
069: * @author Anil K. Vijendran
070: */
071: public interface ParseEventListener {
072: void setTemplateInfo(Mark start, Mark stop);
073:
074: void beginPageProcessing() throws JasperException;
075:
076: void handleComment(Mark start, Mark stop) throws JasperException;
077:
078: void handleDirective(String directive, Mark start, Mark stop,
079: Hashtable attrs) throws JasperException;
080:
081: void handleDeclaration(Mark start, Mark stop, Hashtable attrs)
082: throws JasperException;
083:
084: void handleScriptlet(Mark start, Mark stop, Hashtable attrs)
085: throws JasperException;
086:
087: void handleExpression(Mark start, Mark stop, Hashtable attrs)
088: throws JasperException;
089:
090: void handleBean(Mark start, Mark stop, Hashtable attrs,
091: boolean isBodyEmpty) throws JasperException;
092:
093: void handleBeanEnd(Mark start, Mark stop, Hashtable attrs,
094: boolean isBodyEmpty) throws JasperException;
095:
096: void handleGetProperty(Mark start, Mark stop, Hashtable attrs)
097: throws JasperException;
098:
099: void handleSetProperty(Mark start, Mark stop, Hashtable attrs)
100: throws JasperException;
101:
102: void handlePlugin(Mark start, Mark stop, Hashtable attrs,
103: Hashtable param, String fallback) throws JasperException;
104:
105: void handleCharData(Mark start, Mark stop, char[] chars)
106: throws JasperException;
107:
108: /*
109: * Custom tag support
110: */
111: TagLibraries getTagLibraries();
112:
113: /*
114: * start: is either the start position at "<" if content type is JSP or empty, or
115: * is the start of the body after the "/>" if content type is tag dependent
116: * stop: can be null if the body contained JSP tags...
117: */
118: void handleTagBegin(Mark start, Mark stop, Hashtable attrs,
119: String prefix, String shortTagName, TagLibraryInfo tli,
120: TagInfo ti) throws JasperException;
121:
122: void handleTagEnd(Mark start, Mark stop, String prefix,
123: String shortTagName, Hashtable attrs, TagLibraryInfo tli,
124: TagInfo ti) throws JasperException;
125:
126: void handleForward(Mark start, Mark stop, Hashtable attrs,
127: Hashtable param) throws JasperException;
128:
129: void handleInclude(Mark start, Mark stop, Hashtable attrs,
130: Hashtable param) throws JasperException;
131:
132: void endPageProcessing() throws JasperException;
133: }
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