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/*
* Copyright (c) 2011, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.source.doctree;
/**
* Common interface for all nodes in a documentation syntax tree.
*
* @since 1.8
*/
public interface DocTree {
/**
* Enumerates all kinds of trees.
*/
enum Kind {
/**
* Used for instances of {@link AttributeTree}
* representing an HTML attribute.
*/
ATTRIBUTE,
/**
* Used for instances of {@link AuthorTree}
* representing an {@code @author} tag.
*/
AUTHOR("author"),
/**
* Used for instances of {@link LiteralTree}
* representing an {@code @code} tag.
*/
CODE("code"),
/**
* Used for instances of {@link CommentTree}
* representing an HTML comment.
*/
COMMENT,
/**
* Used for instances of {@link DeprecatedTree}
* representing an {@code @deprecated} tag.
*/
DEPRECATED("deprecated"),
/**
* Used for instances of {@link DocCommentTree}
* representing a complete doc comment.
*/
DOC_COMMENT,
/**
* Used for instances of {@link DocRootTree}
* representing an {@code @docRoot} tag.
*/
DOC_ROOT("docRoot"),
/**
* Used for instances of {@link DocTypeTree}
* representing an HTML DocType declaration.
*/
DOC_TYPE,
/**
* Used for instances of {@link EndElementTree}
* representing the end of an HTML element.
*/
END_ELEMENT,
/**
* Used for instances of {@link EntityTree}
* representing an HTML entity.
*/
ENTITY,
/**
* Used for instances of {@link ErroneousTree}
* representing some invalid text.
*/
ERRONEOUS,
/**
* Used for instances of {@link ThrowsTree}
* representing an {@code @exception} tag.
*/
EXCEPTION("exception"),
/**
* Used for instances of {@link HiddenTree}
* representing an {@code @hidden} tag.
*/
HIDDEN("hidden"),
/**
* Used for instances of {@link IdentifierTree}
* representing an identifier.
*/
IDENTIFIER,
/**
* Used for instances of {@link IndexTree}
* representing an {@code @index} tag.
*/
INDEX("index"),
/**
* Used for instances of {@link InheritDocTree}
* representing an {@code @inheritDoc} tag.
*/
INHERIT_DOC("inheritDoc"),
/**
* Used for instances of {@link LinkTree}
* representing an {@code @link} tag.
*/
LINK("link"),
/**
* Used for instances of {@link LinkTree}
* representing an {@code @linkplain} tag.
*/
LINK_PLAIN("linkplain"),
/**
* Used for instances of {@link LiteralTree}
* representing an {@code @literal} tag.
*/
LITERAL("literal"),
/**
* Used for instances of {@link ParamTree}
* representing an {@code @param} tag.
*/
PARAM("param"),
/**
* Used for instances of {@link ProvidesTree}
* representing an {@code @provides} tag.
*/
PROVIDES("provides"),
/**
* Used for instances of {@link ReferenceTree}
* representing a reference to an element in the
* Java programming language.
*/
REFERENCE,
/**
* Used for instances of {@link ReturnTree}
* representing an {@code @return} tag.
*/
RETURN("return"),
/**
* Used for instances of {@link SeeTree}
* representing an {@code @see} tag.
*/
SEE("see"),
/**
* Used for instances of {@link SerialTree}
* representing an {@code @serial} tag.
*/
SERIAL("serial"),
/**
* Used for instances of {@link SerialDataTree}
* representing an {@code @serialData} tag.
*/
SERIAL_DATA("serialData"),
/**
* Used for instances of {@link SerialFieldTree}
* representing an {@code @serialField} tag.
*/
SERIAL_FIELD("serialField"),
/**
* Used for instances of {@link SinceTree}
* representing an {@code @since} tag.
*/
SINCE("since"),
/**
* Used for instances of {@link EndElementTree}
* representing the start of an HTML element.
*/
START_ELEMENT,
/**
* Used for instances of {@link SystemPropertyTree}
* representing an {@code @systemProperty} tag.
*/
SYSTEM_PROPERTY("systemProperty"),
/**
* Used for instances of {@link SummaryTree}
* representing an {@code @summary} tag.
*/
SUMMARY("summary"),
/**
* Used for instances of {@link TextTree}
* representing some documentation text.
*/
TEXT,
/**
* Used for instances of {@link ThrowsTree}
* representing an {@code @throws} tag.
*/
THROWS("throws"),
/**
* Used for instances of {@link UnknownBlockTagTree}
* representing an unknown block tag.
*/
UNKNOWN_BLOCK_TAG,
/**
* Used for instances of {@link UnknownInlineTagTree}
* representing an unknown inline tag.
*/
UNKNOWN_INLINE_TAG,
/**
* Used for instances of {@link UsesTree}
* representing an {@code @uses} tag.
*/
USES("uses"),
/**
* Used for instances of {@link ValueTree}
* representing an {@code @value} tag.
*/
VALUE("value"),
/**
* Used for instances of {@link VersionTree}
* representing an {@code @version} tag.
*/
VERSION("version"),
/**
* An implementation-reserved node. This is the not the node
* you are looking for.
*/
OTHER;
/**
* The name of the tag, if any, associated with this kind of node.
*/
public final String tagName;
Kind() {
tagName = null;
}
Kind(String tagName) {
this.tagName = tagName;
}
}
/**
* Returns the kind of this tree.
*
* @return the kind of this tree
*/
Kind getKind();
/**
* Accept method used to implement the visitor pattern. The
* visitor pattern is used to implement operations on trees.
*
* @param the result type of this operation
* @param the type of additional data
* @param visitor the visitor to be called
* @param data a parameter value to be passed to the visitor method
* @return the value returned from the visitor method
*/
R accept(DocTreeVisitor visitor, D data);
}