/* | |
* 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.uima.ruta.ide.ui.documentation; | |
import java.io.Reader; | |
import java.io.StringReader; | |
import org.eclipse.dltk.core.IBuffer; | |
import org.eclipse.dltk.core.IField; | |
import org.eclipse.dltk.core.IMember; | |
import org.eclipse.dltk.core.ISourceModule; | |
import org.eclipse.dltk.core.ISourceRange; | |
import org.eclipse.dltk.core.ModelException; | |
import org.eclipse.dltk.ui.documentation.IScriptDocumentationProvider; | |
import org.eclipse.jface.text.BadLocationException; | |
import org.eclipse.jface.text.Document; | |
public class RutaCommentDocumentationProvider extends ScriptDocumentationProvider implements | |
IScriptDocumentationProvider { | |
@Override | |
protected String getLine(Document d, int line) throws BadLocationException { | |
return d.get(d.getLineOffset(line), d.getLineLength(line)); | |
} | |
protected String getHeaderComment(IMember member) { | |
if (member instanceof IField) { | |
return null; | |
} | |
try { | |
ISourceRange range = member.getSourceRange(); | |
if (range == null) | |
return null; | |
IBuffer buf = null; | |
ISourceModule compilationUnit = member.getSourceModule(); | |
if (!compilationUnit.isConsistent()) { | |
return null; | |
} | |
buf = compilationUnit.getBuffer(); | |
final int start = range.getOffset(); | |
String contents = buf.getContents(); | |
String result = ""; | |
Document doc = new Document(contents); | |
try { | |
int line = doc.getLineOfOffset(start); | |
line--; | |
if (line < 0) | |
return null; | |
boolean emptyEnd = true; | |
while (line >= 0) { | |
String curLine = getLine(doc, line); | |
String curLineTrimmed = curLine.trim(); | |
if ((curLineTrimmed.length() == 0 && emptyEnd) || curLineTrimmed.startsWith("#")) { | |
if (curLineTrimmed.length() != 0) | |
emptyEnd = false; | |
result = curLine + result; | |
} else | |
break; | |
line--; | |
} | |
} catch (BadLocationException e) { | |
return null; | |
} | |
return result; | |
} catch (ModelException e) { | |
} | |
return null; | |
} | |
public Reader getInfo(IMember member, boolean lookIntoParents, boolean lookIntoExternal) { | |
String header = getHeaderComment(member); | |
return new StringReader(convertToHTML(header)); | |
} | |
@Override | |
protected String convertToHTML(String header) { | |
StringBuffer result = new StringBuffer(); | |
// result.append("<p>\n"); | |
Document d = new Document(header); | |
for (int line = 0;; line++) { | |
try { | |
String str = getLine(d, line).trim(); | |
if (str == null) | |
break; | |
while (str.length() > 0 && str.startsWith("#")) | |
str = str.substring(1); | |
while (str.length() > 0 && str.endsWith("#")) | |
str = str.substring(0, str.length() - 1); | |
if (str.length() == 0) | |
result.append("<p>"); | |
else { | |
if (str.trim().matches("\\w*:")) { | |
result.append("<h4>"); | |
result.append(str); | |
result.append("</h4>"); | |
} else | |
result.append(str + "<br>"); | |
} | |
} catch (BadLocationException e) { | |
break; | |
} | |
} | |
// result.append("</p>\n"); | |
return result.toString(); | |
} | |
public Reader getInfo(String content) { | |
return null; | |
} | |
} |