|
1
11 package org.eclipse.pde.internal.ui.editor.text;
12
13 import java.util.Hashtable  ;
14 import java.util.Locale ;
15
16 import org.eclipse.core.resources.IProject;
17 import org.eclipse.core.runtime.IStatus;
18 import org.eclipse.jdt.core.JavaConventions;
19 import org.eclipse.pde.core.plugin.IPluginElement;
20 import org.eclipse.pde.core.plugin.IPluginExtension;
21 import org.eclipse.pde.core.plugin.IPluginExtensionPoint;
22 import org.eclipse.pde.core.plugin.IPluginObject;
23 import org.eclipse.pde.internal.core.PDECore;
24 import org.eclipse.pde.internal.core.ischema.ISchema;
25 import org.eclipse.pde.internal.core.ischema.ISchemaAttribute;
26 import org.eclipse.pde.internal.core.ischema.ISchemaElement;
27 import org.eclipse.pde.internal.core.text.IDocumentAttribute;
28 import org.eclipse.pde.internal.core.text.IDocumentNode;
29 import org.eclipse.pde.internal.core.text.IDocumentRange;
30 import org.eclipse.pde.internal.core.text.IDocumentTextNode;
31 import org.eclipse.pde.internal.core.util.PDEJavaHelper;
32 import org.eclipse.pde.internal.ui.PDEPlugin;
33
34 public abstract class XMLUtil {
35
36
44 public static IPluginObject getTopLevelParent(IDocumentRange range) {
45 IDocumentNode node = null;
46 if (range instanceof IDocumentAttribute)
47 node = ((IDocumentAttribute)range).getEnclosingElement();
48 else if (range instanceof IDocumentTextNode)
49 node = ((IDocumentTextNode)range).getEnclosingElement();
50 else if (range instanceof IPluginElement)
51 node = (IDocumentNode)range;
52 else if (range instanceof IPluginObject)
53 return (IPluginObject)range;
55
56 while (node != null &&
57 !(node instanceof IPluginExtension) &&
58 !(node instanceof IPluginExtensionPoint))
59 node = node.getParentNode();
60
61 return node != null ? (IPluginObject)node : null;
62 }
63
64 private static boolean withinRange(int start, int len, int offset) {
65 return start <= offset && offset <= start + len;
66 }
67
68 public static boolean withinRange(IDocumentRange range, int offset) {
69 if (range instanceof IDocumentAttribute)
70 return withinRange(
71 ((IDocumentAttribute)range).getValueOffset(),
72 ((IDocumentAttribute)range).getValueLength(),
73 offset);
74 if (range instanceof IDocumentNode)
75 return withinRange(
76 ((IDocumentNode)range).getOffset(),
77 ((IDocumentNode)range).getLength(),
78 offset);
79 if (range instanceof IDocumentTextNode)
80 return withinRange(
81 ((IDocumentTextNode)range).getOffset(),
82 ((IDocumentTextNode)range).getLength(),
83 offset);
84 return false;
85 }
86
87
93 public static ISchemaElement getSchemaElement(IDocumentNode node, String extensionPoint) {
94 if (extensionPoint == null) {
95 IPluginObject obj = getTopLevelParent(node);
96 if (!(obj instanceof IPluginExtension))
97 return null;
98 extensionPoint = ((IPluginExtension)obj).getPoint();
99 }
100 ISchema schema = PDECore.getDefault().getSchemaRegistry().getSchema(extensionPoint);
101 if (schema == null)
102 return null;
103
104 ISchemaElement sElement = schema.findElement(node.getXMLTagName());
105 return sElement;
106 }
107
108
114 public static ISchemaAttribute getSchemaAttribute(IDocumentAttribute attr, String extensionPoint) {
115 ISchemaElement ele = getSchemaElement(attr.getEnclosingElement(), extensionPoint);
116 if (ele == null)
117 return null;
118
119 return ele.getAttribute(attr.getAttributeName());
120 }
121
122
123
129 public static String createDefaultClassName(IProject project,
130 ISchemaAttribute attInfo, int counter) {
131 String tag = attInfo.getParent().getName();
132 String expectedType = attInfo.getBasedOn();
133 String className = ""; if (expectedType == null) {
135 StringBuffer buf = new StringBuffer (tag);
136 buf.setCharAt(0, Character.toUpperCase(tag.charAt(0)));
137 className = buf.toString();
138 } else {
139 className = expectedType;
142 int dotLoc = className.lastIndexOf('.');
143 if (dotLoc != -1)
144 className = className.substring(dotLoc + 1);
145 if (className.length() > 2 && className.charAt(0) == 'I'
146 && Character.isUpperCase(className.charAt(1)))
147 className = className.substring(1);
148 }
149 String packageName = createDefaultPackageName(project, className);
150 className += counter;
151 return packageName + "." + className; }
153
154
155
160 public static String createDefaultPackageName(IProject project, String className) {
161 String id = project.getName();
162 StringBuffer buffer = new StringBuffer ();
163 IStatus status;
164 for (int i = 0; i < id.length(); i++) {
165 char ch = id.charAt(i);
166 if (buffer.length() == 0) {
167 if (Character.isJavaIdentifierStart(ch))
168 buffer.append(Character.toLowerCase(ch));
169 } else {
170 if (Character.isJavaIdentifierPart(ch))
171 buffer.append(ch);
172 else if (ch == '.') {
173 status = JavaConventions.validatePackageName(
174 buffer.toString(),
175 PDEJavaHelper.getJavaSourceLevel(project),
176 PDEJavaHelper.getJavaComplianceLevel(project));
177 if (status.getSeverity() == IStatus.ERROR)
178 buffer.append(className.toLowerCase(Locale.ENGLISH));
179 buffer.append(ch);
180 }
181 }
182 }
183
184 status = JavaConventions.validatePackageName(
185 buffer.toString(),
186 PDEJavaHelper.getJavaSourceLevel(project),
187 PDEJavaHelper.getJavaComplianceLevel(project));
188 if (status.getSeverity() == IStatus.ERROR)
189 buffer.append(className.toLowerCase(Locale.ENGLISH));
190
191 return buffer.toString();
192 }
193
194
200 public static String createDefaultName(IProject project,
201 ISchemaAttribute attInfo, int counter) {
202 if (attInfo.getType().getName().equals("boolean")) return "true";
205 String tag = attInfo.getParent().getName();
206 return project.getName() + "." + tag + counter; }
208
209
213 public static int getCounterValue(ISchemaElement elementInfo) {
214 Hashtable counters = PDEPlugin.getDefault().getDefaultNameCounters();
215 String counterKey = getCounterKey(elementInfo);
216 Integer counter = (Integer ) counters.get(counterKey);
217 if (counter == null) {
218 counter = new Integer (1);
219 } else
220 counter = new Integer (counter.intValue() + 1);
221 counters.put(counterKey, counter);
222 return counter.intValue();
223 }
224
225 public static String getCounterKey(ISchemaElement elementInfo) {
226 return elementInfo.getSchema().getQualifiedPointId()
227 + "." + elementInfo.getName(); }
229
230
231
232 }
233 |
Popular Tags |
Java API By Example, From Geeks To Geeks.