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1
19
20 package org.netbeans.editor.ext.html.javadoc;
21
22 import java.util.Hashtable  ;
23 import org.xml.sax.Attributes ;
24 import org.xml.sax.SAXException ;
25 import org.xml.sax.helpers.DefaultHandler ;
26
27
28
32
33 class SAXHelpHandler extends DefaultHandler {
34 private TagHelpItem tag;
35 private TagHelpItem attribute;
36
37 private static final int HELP_CODE = "help".hashCode(); private static final int TAG_CODE = "tag".hashCode(); private static final int ATTRIBUTE_CODE = "attribute".hashCode(); private static final int LOCATION_CODE = "location".hashCode(); private static final int START_TEXT_CODE = "start-text".hashCode(); private static final int END_TEXT_CODE = "end-text".hashCode(); private static final int ADD_TEXT_CODE = "add-text".hashCode(); private static final int BEFORE_CODE = "before".hashCode(); private static final int AFTER_CODE = "after".hashCode();
47 private static final String NAME_STRING = "name"; private static final String LOCATION_STRING = "location"; private static final String FILE_STRING = "file"; private static final String IDENTICAL_STRING = "identical"; private static final String TEXT_STRING = "text"; private static final String OFFSET_STRING = "offset"; private static final String BEFORE_STRING = "before"; private static final String AFTER_STRING = "after";
56
57 private static final int TAG_STATE = 1;
58 private static final int ATTRIBUTE_STATE = 2;
59
60 private static final int BEFORE_STATE = 10;
61 private static final int AFTER_STATE = 11;
62
63 private int state;
64 private int textState;
65
66 private Hashtable map;
67 private String file;
68 private String location;
69 private String identical;
70
71 private String mezery;
72
73 public SAXHelpHandler(){
74 super();
75 map = new Hashtable ();
76 file = null;
77 tag = null;
78 }
79
80 public void startElement(String uri, String localname, String qname, Attributes attrs) throws SAXException {
81 int controlCode = qname.hashCode();
82 String value;
83 if (controlCode == TAG_CODE){
84 value = attrs.getValue(NAME_STRING);
85 tag = new TagHelpItem(value);
86 map.put (tag.getName().toUpperCase(), tag);
87 state = TAG_STATE;
88 value = attrs.getValue(IDENTICAL_STRING);
90 if (value != null){
91 tag.setIdentical(value);
93 }
94 }
95 else if (controlCode == ATTRIBUTE_CODE){
96 value = attrs.getValue(NAME_STRING);
97 attribute = new TagHelpItem(value);
98 state = ATTRIBUTE_STATE;
99 map.put((tag.getName() + "#" + attribute.getName()).toUpperCase(), attribute); value = attrs.getValue(IDENTICAL_STRING);
101 if (value != null){
102 attribute.setIdentical(value);
104 }
105 }
106 else if (controlCode == LOCATION_CODE){
107 value = attrs.getValue(FILE_STRING);
108 switch (state){
109 case TAG_STATE: tag.setFile(value); break;
110 case ATTRIBUTE_STATE: attribute.setFile(value); break;
111 }
112 }
113 else if (controlCode == START_TEXT_CODE){
114 value = attrs.getValue(OFFSET_STRING);
115 int offset = 0;
116 if (value != null){
117 try{
118 offset = (new Integer (value)).intValue();
119 }
120 catch (NumberFormatException e){
121 }
122 }
123 value = attrs.getValue(TEXT_STRING);
124 switch (state){
125 case TAG_STATE:
126 tag.setStartText(value);
127 tag.setStartTextOffset(offset);
128 break;
129 case ATTRIBUTE_STATE:
130 attribute.setStartText(value);
131 attribute.setStartTextOffset(offset);
132 break;
133 }
134 }
135 else if (controlCode == END_TEXT_CODE){
136 value = attrs.getValue(OFFSET_STRING);
137 int offset = 0;
138 if (value != null){
139 try{
140 offset = (new Integer (value)).intValue();
141 }
142 catch (NumberFormatException e){
143 }
144 }
145 value = attrs.getValue(TEXT_STRING);
146 switch (state){
147 case TAG_STATE:
148 tag.setEndText(value);
149 tag.setEndTextOffset(offset);
150 break;
151 case ATTRIBUTE_STATE:
152 attribute.setEndText(value);
153 attribute.setEndTextOffset(offset);
154 break;
155 }
156 }
157 else if (controlCode == ADD_TEXT_CODE){
158 String before = attrs.getValue(BEFORE_STRING);
159 String after = attrs.getValue(AFTER_STRING);
160 switch (state){
161 case TAG_STATE:
162 tag.setTextBefore(before);
163 tag.setTextAfter(after);
164 break;
165 case ATTRIBUTE_STATE:
166 attribute.setTextBefore(before);
167 attribute.setTextAfter(after);
168 break;
169 }
170 }
171 else if(controlCode == START_TEXT_CODE){
172
173 }
174 else if(controlCode == BEFORE_CODE){
175 textState = BEFORE_STATE;
176 }
177 else if(controlCode == AFTER_CODE){
178 textState = AFTER_STATE;
179 }
180 else if ( controlCode == HELP_CODE){
181 file = attrs.getValue(FILE_STRING);
182
183 }
184
185 }
186
187 public void characters(char[] ch, int start, int length) throws SAXException {
188 String text = (new String (ch, start, length)).trim();
189 if (text != null && text.length() > 0){
190 TagHelpItem key = null;
191 switch (state){
192 case TAG_STATE:
193 key = tag;
194 break;
195 case ATTRIBUTE_STATE:
196 key = attribute;
197 break;
198 }
199 if (key != null){
200 switch (textState){
201 case BEFORE_STATE:
202 if (key.getTextBefore() != null)
203 key.setTextBefore(key.getTextBefore() + text);
204 else
205 key.setTextBefore(text);
206 break;
207 case AFTER_STATE:
208 if (key.getTextAfter() != null)
209 key.setTextAfter(key.getTextAfter() + text);
210 else
211 key.setTextAfter(text);
212 }
213 }
214 }
215 }
216
217 public String getHelpFile(){
218 return file;
219 }
220
221 public Hashtable getMap(){
222 return map;
223 }
224 } |
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