| // *************************************************************************************************************************** |
| // * 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.juneau.html; |
| |
| import static javax.xml.stream.XMLStreamConstants.*; |
| |
| import java.util.*; |
| |
| import javax.xml.stream.*; |
| |
| import org.apache.juneau.parser.*; |
| import org.apache.juneau.xml.*; |
| |
| /** |
| * Predefined tags that occur in the serialized output of the HTML serializer. |
| */ |
| enum HtmlTag { |
| |
| TABLE(1,"<table>"), |
| TR(2,"<tr>"), |
| TH(3,"<th>"), |
| TD(4,"<td>"), |
| UL(5,"<ul>"), |
| LI(6,"<li>"), |
| STRING(7,"<string>"), |
| NUMBER(8,"<number>"), |
| BOOLEAN(9,"<boolean>"), |
| NULL(10,"<null>"), |
| A(11,"<a>"), |
| BR(12,"<br>"), // newline |
| FF(13,"<ff>"), // formfeed |
| BS(14,"<bs>"), // backspace |
| SP(17, "<sp>"), // space |
| P(18, "<p>"), |
| HTML(19, "<html>"), |
| xTABLE(-1,"</table>"), |
| xTR(-2,"</tr>"), |
| xTH(-3,"</th>"), |
| xTD(-4,"</td>"), |
| xUL(-5,"</ul>"), |
| xLI(-6,"</li>"), |
| xSTRING(-7,"</string>"), |
| xNUMBER(-8,"</number>"), |
| xBOOLEAN(-9,"</boolean>"), |
| xNULL(-10,"</null>"), |
| xA(-11,"</a>"), |
| xBR(-12,"</br>"), |
| xFF(-13,"</ff>"), |
| xBS(-14,"</bs>"), |
| xSP(-17, "</sp>"), |
| xP(-18, "</p>"), |
| xHTML(-19, "</html>"); |
| |
| private Map<Integer,HtmlTag> cache = new HashMap<>(); |
| |
| int id; |
| String label; |
| |
| HtmlTag(int id, String label) { |
| this.id = id; |
| this.label = label; |
| cache.put(id, this); |
| } |
| |
| static HtmlTag forEvent(ParserSession session, XMLStreamReader r) throws ParseException { |
| int et = r.getEventType(); |
| if (et == START_ELEMENT) |
| return forString(r.getLocalName(), false); |
| else if (et == END_ELEMENT) |
| return forString(r.getLocalName(), true); |
| throw new ParseException(session, "Invalid call to HtmlTag.forEvent on event of type ''{0}''", XmlUtils.toReadableEvent(r)); |
| } |
| |
| static HtmlTag forString(String tag, boolean end) { |
| char c = tag.charAt(0); |
| HtmlTag t = null; |
| if (c == 'u') |
| t = (end ? xUL : UL); |
| else if (c == 'l') |
| t = (end ? xLI : LI); |
| else if (c == 's') { |
| c = tag.charAt(1); |
| if (c == 'p') |
| t = (end ? xSP : SP); |
| else if (c == 't') |
| t = (end ? xSTRING : STRING); |
| } |
| else if (c == 'b') { |
| c = tag.charAt(1); |
| if (c == 'o') |
| t = (end ? xBOOLEAN : BOOLEAN); |
| else if (c == 'r') |
| t = (end ? xBR : BR); |
| else if (c == 's') |
| t = (end ? xBS : BS); |
| } |
| else if (c == 'a') |
| t = (end ? xA : A); |
| else if (c == 'n') { |
| c = tag.charAt(2); |
| if (c == 'm') |
| t = (end ? xNUMBER : NUMBER); |
| else if (c == 'l') |
| t = (end ? xNULL : NULL); |
| } |
| else if (c == 't') { |
| c = tag.charAt(1); |
| if (c == 'a') |
| t = (end ? xTABLE : TABLE); |
| else if (c == 'r') |
| t = (end ? xTR : TR); |
| else if (c == 'h') |
| t = (end ? xTH : TH); |
| else if (c == 'd') |
| t = (end ? xTD : TD); |
| } |
| else if (c == 'f') |
| t = (end ? xFF : FF); |
| else if (c == 'p') |
| t = (end ? xP : P); |
| else if (c == 'h') |
| t = (end ? xHTML : HTML); |
| return t; |
| } |
| |
| @Override /* Object */ |
| public String toString() { |
| return label; |
| } |
| |
| public boolean isOneOf(HtmlTag...tags) { |
| for (HtmlTag tag : tags) |
| if (tag == this) |
| return true; |
| return false; |
| } |
| } |
