001 /*
002 * Copyright (c) 2007 Henri Sivonen
003 *
004 * Permission is hereby granted, free of charge, to any person obtaining a
005 * copy of this software and associated documentation files (the "Software"),
006 * to deal in the Software without restriction, including without limitation
007 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
008 * and/or sell copies of the Software, and to permit persons to whom the
009 * Software is furnished to do so, subject to the following conditions:
010 *
011 * The above copyright notice and this permission notice shall be included in
012 * all copies or substantial portions of the Software.
013 *
014 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
017 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
019 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
020 * DEALINGS IN THE SOFTWARE.
021 */
022
023 package nu.validator.htmlparser.test;
024
025 import nu.validator.htmlparser.impl.ContentModelFlag;
026 import nu.validator.htmlparser.impl.TokenHandler;
027 import nu.validator.htmlparser.impl.Tokenizer;
028
029 import org.xml.sax.Attributes;
030 import org.xml.sax.ErrorHandler;
031 import org.xml.sax.SAXException;
032 import org.xml.sax.SAXParseException;
033
034 import com.sdicons.json.model.JSONArray;
035 import com.sdicons.json.model.JSONBoolean;
036 import com.sdicons.json.model.JSONNull;
037 import com.sdicons.json.model.JSONObject;
038 import com.sdicons.json.model.JSONString;
039
040 public class JSONArrayTokenHandler implements TokenHandler, ErrorHandler {
041
042 private static final JSONString DOCTYPE = new JSONString("DOCTYPE");
043
044 private static final JSONString START_TAG = new JSONString("StartTag");
045
046 private static final JSONString END_TAG = new JSONString("EndTag");
047
048 private static final JSONString COMMENT = new JSONString("Comment");
049
050 private static final JSONString CHARACTER = new JSONString("Character");
051
052 private static final JSONString PARSE_ERROR = new JSONString("ParseError");
053
054 private final StringBuilder builder = new StringBuilder();
055
056 private JSONArray array = null;
057
058 private ContentModelFlag contentModelFlag;
059
060 private String contentModelElement;
061
062 public void setContentModelFlag(ContentModelFlag contentModelFlag, String contentModelElement) {
063 this.contentModelFlag = contentModelFlag;
064 this.contentModelElement = contentModelElement;
065 }
066
067 public void characters(char[] buf, int start, int length)
068 throws SAXException {
069 builder.append(buf, start, length);
070 }
071
072 private void flushCharacters() {
073 if (builder.length() > 0) {
074 JSONArray token = new JSONArray();
075 token.getValue().add(CHARACTER);
076 token.getValue().add(new JSONString(builder.toString()));
077 array.getValue().add(token);
078 builder.setLength(0);
079 }
080 }
081
082 public void comment(char[] buf, int length) throws SAXException {
083 flushCharacters();
084 JSONArray token = new JSONArray();
085 token.getValue().add(COMMENT);
086 token.getValue().add(new JSONString(new String(buf, 0, length)));
087 array.getValue().add(token);
088 }
089
090 public void doctype(String name, String publicIdentifier, String systemIdentifier, boolean correct) throws SAXException {
091 flushCharacters();
092 JSONArray token = new JSONArray();
093 token.getValue().add(DOCTYPE);
094 token.getValue().add(new JSONString(name));
095 token.getValue().add(publicIdentifier == null ? JSONNull.NULL : new JSONString(publicIdentifier));
096 token.getValue().add(systemIdentifier == null ? JSONNull.NULL : new JSONString(systemIdentifier));
097 token.getValue().add(new JSONBoolean(correct));
098 array.getValue().add(token);
099 }
100
101 public void endTag(String name, Attributes attributes) throws SAXException {
102 flushCharacters();
103 JSONArray token = new JSONArray();
104 token.getValue().add(END_TAG);
105 token.getValue().add(new JSONString(name));
106 array.getValue().add(token);
107 }
108
109 public void eof() throws SAXException {
110 flushCharacters();
111 }
112
113 public void start(Tokenizer self) throws SAXException {
114 array = new JSONArray();
115 self.setContentModelFlag(contentModelFlag, contentModelElement);
116 }
117
118 public void startTag(String name, Attributes attributes)
119 throws SAXException {
120 flushCharacters();
121 JSONArray token = new JSONArray();
122 token.getValue().add(START_TAG);
123 token.getValue().add(new JSONString(name));
124 JSONObject attrs = new JSONObject();
125 for (int i = 0; i < attributes.getLength(); i++) {
126 attrs.getValue().put(attributes.getQName(i), new JSONString(attributes.getValue(i)));
127 }
128 token.getValue().add(attrs);
129 array.getValue().add(token);
130 }
131
132 public boolean wantsComments() throws SAXException {
133 return true;
134 }
135
136 public void error(SAXParseException exception) throws SAXException {
137 flushCharacters();
138 array.getValue().add(PARSE_ERROR);
139 }
140
141 public void fatalError(SAXParseException exception) throws SAXException {
142 throw new RuntimeException("Should never happen.");
143 }
144
145 public void warning(SAXParseException exception) throws SAXException {
146 }
147
148 /**
149 * Returns the array.
150 *
151 * @return the array
152 */
153 public JSONArray getArray() {
154 return array;
155 }
156
157 }