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📄 masontagtypes.java

📁 HTML解析器是一个Java库
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// Jericho HTML Parser - Java based library for analysing and manipulating HTML
// Version 3.0
// Copyright (C) 2007 Martin Jericho
// http://jerichohtml.sourceforge.net/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of either one of the following licences:
//
// 1. The Eclipse Public License (EPL) version 1.0,
// included in this distribution in the file licence-epl-1.0.html
// or available at http://www.eclipse.org/legal/epl-v10.html
//
// 2. The GNU Lesser General Public License (LGPL) version 2.1 or later,
// included in this distribution in the file licence-lgpl-2.1.txt
// or available at http://www.gnu.org/licenses/lgpl.txt
//
// This library is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the individual licence texts for more details.

package net.htmlparser.jericho;

/**
 * Contains {@linkplain TagType tag types} related to the <a target="_blank" href="http://www.masonhq.com/">Mason</a> server platform.
 * <p>
 * There is no specific tag type defined for the
 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.1">Mason substitution tag</a>
 * as it is recognised using the {@linkplain StartTagType#SERVER_COMMON common server tag type}.
 * <p>
 * The tag types defined in this class are not {@linkplain TagType#register() registered} by default.
 * The {@link #register()} method is provided as a convenient way to register them all at once.
 */
public final class MasonTagTypes {

	/**
	 * The tag type given to a
	 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.3">Mason component call</a>
	 * (<code>&lt;&amp;<var> &#46;&#46;&#46; </var>&amp;&gt;</code>).
 	 * <p>
	 * <dl>
	 *  <dt>Properties:</dt>
	 *   <dd>
	 *    <table class="bordered" style="margin: 15px" cellspacing="0">
	 *     <tr><th>Property<th>Value
	 *     <tr><td>{@link StartTagType#getDescription() Description}<td>mason component call
	 *     <tr><td>{@link StartTagType#getStartDelimiter() StartDelimiter}<td><code>&lt;&amp;</code>
	 *     <tr><td>{@link StartTagType#getClosingDelimiter() ClosingDelimiter}<td><code>&amp;&gt;</code>
	 *     <tr><td>{@link StartTagType#isServerTag() IsServerTag}<td><code>true</code>
	 *     <tr><td>{@link StartTagType#getNamePrefix() NamePrefix}<td><code>&amp;</code>
	 *     <tr><td>{@link StartTagType#getCorrespondingEndTagType() CorrespondingEndTagType}<td><code>null</code>
	 *     <tr><td>{@link StartTagType#hasAttributes() HasAttributes}<td><code>false</code>
	 *     <tr><td>{@link StartTagType#isNameAfterPrefixRequired() IsNameAfterPrefixRequired}<td><code>false</code>
	 *    </table>
	 *  <dt>Example:</dt>
	 *   <dd><code>&lt;&amp; menu &amp;&gt;</code></dd>
	 * </dl>
	 */
	public static final StartTagType MASON_COMPONENT_CALL=StartTagTypeMasonComponentCall.INSTANCE;

	/**
	 * The tag type given to the start tag of a
	 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.3.1">Mason component called with content</a>
	 * (<code>&lt;&amp;|<var> &#46;&#46;&#46; </var>&amp;&gt;<var> &#46;&#46;&#46; </var>&lt;/&amp;&gt;</code>).
 	 * <p>
	 * <dl>
	 *  <dt>Properties:</dt>
	 *   <dd>
	 *    <table class="bordered" style="margin: 15px" cellspacing="0">
	 *     <tr><th>Property<th>Value
	 *     <tr><td>{@link StartTagType#getDescription() Description}<td>mason component called with content
	 *     <tr><td>{@link StartTagType#getStartDelimiter() StartDelimiter}<td><code>&lt;&amp;|</code>
	 *     <tr><td>{@link StartTagType#getClosingDelimiter() ClosingDelimiter}<td><code>&amp;&gt;</code>
	 *     <tr><td>{@link StartTagType#isServerTag() IsServerTag}<td><code>true</code>
	 *     <tr><td>{@link StartTagType#getNamePrefix() NamePrefix}<td><code>&amp;|</code>
	 *     <tr><td>{@link StartTagType#getCorrespondingEndTagType() CorrespondingEndTagType}<td>{@link #MASON_COMPONENT_CALLED_WITH_CONTENT_END}
	 *     <tr><td>{@link StartTagType#hasAttributes() HasAttributes}<td><code>false</code>
	 *     <tr><td>{@link StartTagType#isNameAfterPrefixRequired() IsNameAfterPrefixRequired}<td><code>false</code>
	 *    </table>
	 *  <dt>Example:</dt>
	 *   <dd><pre> &lt;&amp;| /sql/select, query =&gt; 'SELECT name, age FROM User' &amp;&gt;
	 *   &lt;tr&gt;&lt;td&gt;%name&lt;/td&gt;&lt;td&gt;%age&lt;/td&gt;&lt;/tr&gt;
	 * &lt;/&amp;&gt;</pre></dd>
	 * </dl>
	 */
	public static final StartTagType MASON_COMPONENT_CALLED_WITH_CONTENT=StartTagTypeMasonComponentCalledWithContent.INSTANCE;
	// THIS ELEMENT TYPICALLY CONTAINS MARKUP

	/**
	 * The tag type given to the end tag of a
	 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.3.1">Mason component called with content</a>.
	 * <p>
	 * See the {@linkplain EndTagType#getCorrespondingStartTagType() corresponding start tag type}
	 * {@link #MASON_COMPONENT_CALLED_WITH_CONTENT} for more details.
	 * <p>
	 * <dl>
	 *  <dt>Properties:</dt>
	 *   <dd>
	 *    <table class="bordered" style="margin: 15px" cellspacing="0">
	 *     <tr><th>Property/Method<th>Value
	 *     <tr><td>{@link EndTagType#getDescription() Description}<td>/mason component called with content
	 *     <tr><td>{@link EndTagType#getStartDelimiter() StartDelimiter}<td><code>&lt;/&amp;</code>
	 *     <tr><td>{@link EndTagType#getClosingDelimiter() ClosingDelimiter}<td><code>&gt;</code>
	 *     <tr><td>{@link EndTagType#isServerTag() IsServerTag}<td><code>true</code>
	 *     <tr><td>{@link EndTagType#getNamePrefix() NamePrefix}<td><code>/&amp;</code>
	 *     <tr><td>{@link EndTagType#getCorrespondingStartTagType() CorrespondingStartTagType}<td>{@link #MASON_COMPONENT_CALLED_WITH_CONTENT}
	 *     <tr><td>{@link EndTagType#generateHTML(String) generateHTML}<code>("<var>StartTagName</var>")</code><td><code>&lt;/&amp;&gt;</code>
	 *    </table>
	 *  <dt>Example:</dt>
	 *   <dd><code>&lt;/&amp;&gt;</code></dd>
	 * </dl>
	 * @see #MASON_COMPONENT_CALLED_WITH_CONTENT
	 */
	public static final EndTagType MASON_COMPONENT_CALLED_WITH_CONTENT_END=EndTagTypeMasonComponentCalledWithContent.INSTANCE;
	
	/**
	 * The tag type given to the start tag of a
	 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.4">Mason named block</a>
	 * (<code>&lt;%<i>name</i><var> &#46;&#46;&#46; </var>&gt;<var> &#46;&#46;&#46; </var>&lt;/%<i>name</i>&gt;</code>).
	 * <p>
	 * A tag of this type <b>must not</b> have a '<code>%</code>' character before its 
	 * {@linkplain StartTagType#getClosingDelimiter() closing delimiter}, otherwise it is most likely a
	 * {@linkplain StartTagType#SERVER_COMMON common server tag}.
	 * <p>
	 * For the start tag to be recognised, a {@linkplain StartTagType#getCorrespondingEndTagType() corresponding} end tag of the
	 * {@linkplain #MASON_NAMED_BLOCK_END correct type} <b>must</b> exist somewhere in the source document following the start tag.
	 * <p>
	 * <dl>
	 *  <dt>Properties:</dt>
	 *   <dd>
	 *    <table class="bordered" style="margin: 15px" cellspacing="0">
	 *     <tr><th>Property<th>Value
	 *     <tr><td>{@link StartTagType#getDescription() Description}<td>mason named block
	 *     <tr><td>{@link StartTagType#getStartDelimiter() StartDelimiter}<td><code>&lt;%</code>
	 *     <tr><td>{@link StartTagType#getClosingDelimiter() ClosingDelimiter}<td><code>&gt;</code>
	 *     <tr><td>{@link StartTagType#isServerTag() IsServerTag}<td><code>true</code>
	 *     <tr><td>{@link StartTagType#getNamePrefix() NamePrefix}<td><code>%</code>
	 *     <tr><td>{@link StartTagType#getCorrespondingEndTagType() CorrespondingEndTagType}<td>{@link #MASON_NAMED_BLOCK_END}
	 *     <tr><td>{@link StartTagType#hasAttributes() HasAttributes}<td><code>false</code>
	 *     <tr><td>{@link StartTagType#isNameAfterPrefixRequired() IsNameAfterPrefixRequired}<td><code>true</code>
	 *    </table>
	 *  <dt>Example:</dt>
	 *   <dd><code>&lt;%perl&gt; print "hello world"; &lt;/%perl&gt;</code></dd>
	 * </dl>
	 */
	public static final StartTagType MASON_NAMED_BLOCK=StartTagTypeMasonNamedBlock.INSTANCE;
	// THIS ELEMENT TYPICALLY CONTAINS CODE, EXCEPT FOR THE <%def> VARIETY WHICH CONTAINS SOME MARKUP AND SOME OTHER SERVER ELEMENTS

	/**
	 * The tag type given to the end tag of a
	 * <a target="_blank" href="http://www.masonbook.com/book/chapter-2.mhtml#CHP-2-SECT-3.4">Mason named block</a>.
	 * <p>
	 * See the {@linkplain EndTagType#getCorrespondingStartTagType() corresponding start tag type}
	 * {@link #MASON_NAMED_BLOCK} for more details.
	 * <p>
	 * <dl>
	 *  <dt>Properties:</dt>
	 *   <dd>
	 *    <table class="bordered" style="margin: 15px" cellspacing="0">
	 *     <tr><th>Property/Method<th>Value
	 *     <tr><td>{@link EndTagType#getDescription() Description}<td>/mason named block
	 *     <tr><td>{@link EndTagType#getStartDelimiter() StartDelimiter}<td><code>&lt;/%</code>
	 *     <tr><td>{@link EndTagType#getClosingDelimiter() ClosingDelimiter}<td><code>&gt;</code>
	 *     <tr><td>{@link EndTagType#isServerTag() IsServerTag}<td><code>true</code>
	 *     <tr><td>{@link EndTagType#getNamePrefix() NamePrefix}<td><code>/%</code>
	 *     <tr><td>{@link EndTagType#getCorrespondingStartTagType() CorrespondingStartTagType}<td>{@link #MASON_NAMED_BLOCK}
	 *     <tr><td>{@link EndTagType#generateHTML(String) generateHTML}<code>("%<var>StartTagName</var>")</code><td><code>&lt;/%<var>StartTagName</var>&gt;</code>
	 *    </table>
	 *  <dt>Example:</dt>
	 *   <dd><code>&lt;/%perl&gt;</code></dd>
	 * </dl>
	 * @see #MASON_NAMED_BLOCK
	 */
	public static final EndTagType MASON_NAMED_BLOCK_END=EndTagTypeMasonNamedBlock.INSTANCE;

	private static final TagType[] TAG_TYPES={
		MASON_COMPONENT_CALL,
		MASON_COMPONENT_CALLED_WITH_CONTENT,
		MASON_COMPONENT_CALLED_WITH_CONTENT_END,
		MASON_NAMED_BLOCK,
		MASON_NAMED_BLOCK_END
	};

	private MasonTagTypes() {}
	
	/** 
	 * {@linkplain TagType#register() Registers} all of the tag types defined in this class at once.
	 * <p>
	 * The tag types must be registered before the parser will recognise them.
	 */
	public static void register() {
		for (TagType tagType : TAG_TYPES) tagType.register();
	}

	/**
	 * Indicates whether the specified tag type is defined in this class.
	 *
	 * @param tagType  the {@link TagType} to test.
	 * @return <code>true</code> if the specified tag type is defined in this class, otherwise <code>false</code>.
	 */
	public static boolean defines(final TagType tagType) {
		for (TagType definedTagType : TAG_TYPES) if (tagType==definedTagType) return true;
		return false;
	}
	
	/** 
	 * Indicates whether the specified tag type is recognised by a <a target="_blank" href="http://www.masonhq.com/">Mason</a> parser.
	 * <p>
	 * This is true if the specified tag type is {@linkplain #defines(TagType) defined in this class} or if it is the 
	 * {@linkplain StartTagType#SERVER_COMMON common server tag type}.
	 * 
	 * @param tagType  the {@link TagType} to test.
	 * @return <code>true</code> if the specified tag type is recognised by a <a target="_blank" href="http://www.masonhq.com/">Mason</a> parser, otherwise <code>false</code>.
	 */
	public static boolean isParsedByMason(final TagType tagType) {
		return tagType==StartTagType.SERVER_COMMON || defines(tagType);
	}
}

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