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1 package com.teamkonzept.lib.templates;
2
3 import java.io.*;
4 import java.util.*;
5
6 import com.teamkonzept.lib.*;
7
8
14 public class TKTagTagBase extends TKTag {
15
16 public static final String  ATTR_LABEL = "label";
17 public static final String ATTR_SIZE = "size";
18 public static final String ATTR_NAME = "attrName";
19 public static final String ATTR_LOCATION= "attrLocation";
20
21 public static final String PARAMS_STRING = "PARAMS";
22
23 public String label = null;
24 public String paramsString = null;
25 public TKHashtable params = null;
26 public TKTemplateSyntax argumentText = null;
27
28 public int tagType () { return -1; };
29
30 private static String identifierFirstCodes = "_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
31 private static String digitCodes = "0123456789";
32 private static String identifierCodes = identifierFirstCodes+digitCodes;
33
40 public TKTagTagBase( TKTemplateSyntax parent, String def, boolean hasSubTags) throws TKTemplateSyntaxException
41 {
42 super (parent);
43
44 if( hasSubTags ) paramsString = def;
45 else label = getParams (def,false,null);
46 }
47
48 protected void makeParam (StringBuffer name, StringBuffer value, boolean hasSubTags, TKTemplateData td)
49 throws TKTemplateSyntaxException {
50
51 String valString = value == null ? "" : value.toString();
52
53 if (hasSubTags) {
54
55 TKTemplateSyntax syntax = parent.newChild (valString,parent.getSource(),true);
56
57 if (td != null) {
58
59 TKTemplateData subTd = new TKTemplateData (td);
60
61 td = subTd;
62 td.setLocalVariable("TEMPLATE_SYNTAX_DEFAULT_ENCODING",TKAnsiConverter.CONV_ID);
63 }
64
65 valString = syntax.apply (td);
66 }
67
68 params.put(name.toString().trim(), valString);
69 }
70
71 protected String getParams( String def, boolean hasSubTags, TKTemplateData td) throws TKTemplateSyntaxException
72 {
73 params = new TKHashtable();
74
75 int pos = def.indexOf(':');
76 if (pos < 0) {
77
78 if (hasSubTags) return parent.newChild(def,parent.getSource(),hasSubTags).apply (td);
79 else return def;
80 }
81
82 String label = def.substring( 0, pos++ );
83 if (hasSubTags) label = parent.newChild(label,parent.getSource(),hasSubTags).apply (td);
84
85 StringBuffer name = null;
86 StringBuffer value = null;
87 boolean inName = true;
88
89 while (pos < def.length()) {
90
91 char chr = def.charAt (pos++);
92
93 if (chr == ';') {
94
95 if (name != null) makeParam (name, value, hasSubTags, td);
96 inName = true;
97 name = null;
98 value = null;
99 continue;
100 }
101
102 if (chr == '=') { inName = false; continue; }
103
104 if ((chr == '\\') && (pos < def.length())) chr = def.charAt (pos++);
105
106 (inName ? (name == null ? (name = new StringBuffer ()) : name) :
107 (value == null ? (value = new StringBuffer ()) : value)) .append (chr);
108 }
109
110 if (name != null) makeParam (name, value, hasSubTags, td);
111
112 return label;
113 }
114
115
116 public static boolean quotingRequired (String text) {
117
118 boolean isId = true;
119 boolean isInt = true;
120 boolean isFloat = true;
121
122 if (text == null) return false;
123
124 int pos = 0;
125 while (pos < text.length()) {
126
127 char chr = text.charAt (pos++);
128
129 if ((pos == 0) && (identifierFirstCodes.indexOf(chr) == -1)) isId = false;
130 else if ((pos != 0) && (identifierCodes.indexOf(chr) == -1)) isId = false;
131
132 if (chr == '.')
133 {
134 if (!isInt) isFloat = false;
135 else isInt = false;
136 }
137 else if (digitCodes.indexOf(chr) == -1)
138 {
139 isInt = false;
140 isFloat = false;
141 }
142
143 if (!isId && !isInt && !isFloat) return true;
144 }
145
146 return false;
147 }
148
149 public static String par2quotes (String text) {
150
151 if (text == null) return null;
152
153 StringBuffer buf = new StringBuffer ();
154 buf.append ('"');
155
156 int pos = 0;
157 while (pos < text.length()) {
158
159 char chr = text.charAt (pos++);
160
161 if ((chr == '\\') || (chr == '"')) buf.append ('\\');
162
163 buf.append (chr);
164 }
165
166 buf.append ('"');
167 return buf.toString();
168 }
169
170 public String wrapValue (String value) {
171
172 if (value == null) return null;
173 else if (quotingRequired (value)) return par2quotes(value);
174 else return value;
175 }
176
177
184 public String apply( TKTemplateData td ) throws TKTemplateSyntaxException
185 {
186 if (paramsString != null) label = getParams(paramsString,true,td);
187
188 String markupName = label;
189 Object value = td.getVariable("TAG_DEFINITION_"+markupName);
190
191 if (value == null) {
192
193 StringBuffer result = new StringBuffer ();
194 result.append('<').append(markupName);
195
196 Enumeration keys = params.keys();
197 while( keys.hasMoreElements() ) {
198
199 String name = (String ) keys.nextElement();
200 String val = (String ) params.get(name);
201
202 if ((name == null) || (name.length() == 0)) continue;
203 result.append(' ').append (name);
204
205 if ((val != null) && (val.length() != 0))
206 result.append('=').append (wrapValue(val));
207 }
208
209 result.append('>');
210
211 if (tagType() == TKTagTag.TAG_TYPE) {
212
213 if (argumentText != null) result.append (argumentText.apply(td));
214 result.append("</").append(markupName).append('>');
215 }
216
217 return result.toString();
218 }
219
220 if (value instanceof String ) return (String ) value;
221
222 if (!(value instanceof TKTemplateSyntax)) return null;
223
224 TKTemplateSyntax definitionText = (TKTemplateSyntax) value;
225
226 TKTemplateData subTd = new TKTemplateData (td);
227
228 if (argumentText != null) {
229 TKTemplate template = argumentText.getNewTemplate();
230 template.td = td;
231 subTd.setLocalVariable("TAG_ARGUMENT",template);
232 }
233
234 Enumeration keys = params.keys();
235 while( keys.hasMoreElements() ) {
236
237 String name = (String ) keys.nextElement();
238 String val = (String ) params.get(name);
239
240 subTd.setLocalVariable("TAG_PARAM_"+name,val);
241 }
242
243 return definitionText.apply (subTd);
244 }
245
246
253 public void apply(TKTemplateData td, Writer writer)
254 throws TKTemplateSyntaxException, IOException
255 {
256 if (paramsString != null) label = getParams(paramsString,true,td);
257
258 String markupName = label;
259 Object value = td.getVariable("TAG_DEFINITION_"+markupName);
260
261 if (value == null) {
262
263 StringBuffer result = new StringBuffer ();
264 result.append('<').append(markupName);
265
266 Enumeration keys = params.keys();
267 while( keys.hasMoreElements() ) {
268
269 String name = (String ) keys.nextElement();
270 String val = (String ) params.get(name);
271
272 if ((name == null) || (name.length() == 0)) continue;
273 result.append(' ').append (name);
274
275 if ((val != null) && (val.length() != 0))
276 result.append('=').append (wrapValue(val));
277 }
278
279 result.append('>');
280
281 if (tagType() == TKTagTag.TAG_TYPE) {
282
283 if (argumentText != null) result.append (argumentText.apply(td));
284 result.append("</").append(markupName).append('>');
285 }
286
287 writer.write(result.toString());
288 return;
289
290 }
291
292 if (value instanceof String ) {
293 writer.write((String ) value);
294 return;
295 }
296
297 if (!(value instanceof TKTemplateSyntax)) {
298 return;
299 }
300
301 TKTemplateSyntax definitionText = (TKTemplateSyntax) value;
302
303 TKTemplateData subTd = new TKTemplateData (td);
304
305 if (argumentText != null) {
306 TKTemplate template = argumentText.getNewTemplate();
307 template.td = td;
308 subTd.setLocalVariable("TAG_ARGUMENT",template);
309 }
310
311 Enumeration keys = params.keys();
312 while( keys.hasMoreElements() ) {
313
314 String name = (String ) keys.nextElement();
315 String val = (String ) params.get(name);
316
317 subTd.setLocalVariable("TAG_PARAM_"+name,val);
318 }
319
320 definitionText.apply (subTd, writer);
321 return;
322 }
323
324 }
325
326 |
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