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/*******************************************************************************
* Copyright (c) 2008, 2018 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.tools.internal;
import java.lang.reflect.*;
import java.util.*;
public class EmbedMetaData extends JNIGenerator {
TreeMap<Integer, String> inserts;
@Override
public void generate(JNIClass clazz) {
inserts = new TreeMap<>();
String data = ((AbstractItem)clazz).flatten();
if (data != null && data.length() != 0) {
String doc = "/** @jniclass " + data + " */" + delimiter;
inserts.put(Integer.valueOf(((ASTClass)clazz).start), doc);
}
JNIField[] fields = clazz.getDeclaredFields();
generate(fields);
JNIMethod[] methods = clazz.getDeclaredMethods();
generate(methods);
if (inserts.size() == 0) return;
String sourcePath = ((ASTClass)clazz).sourcePath;
String source = JNIGenerator.loadFile(sourcePath);
Set<Integer> set = inserts.keySet();
List<Integer> keys = new ArrayList<>();
keys.addAll(set);
Collections.reverse(keys);
StringBuilder buffer = new StringBuilder(source);
for (Integer index : keys) {
String doc = inserts.get(index);
buffer.insert(index.intValue(), doc);
}
try {
output(buffer.toString().getBytes(), sourcePath);
} catch (Exception e) {
e.printStackTrace();
}
inserts = null;
}
public void generate(JNIField[] fields) {
for (int i = 0; i < fields.length; i++) {
JNIField field = fields[i];
int mods = field.getModifiers();
if ((mods & Modifier.PUBLIC) == 0) continue;
if ((mods & Modifier.FINAL) != 0) continue;
if ((mods & Modifier.STATIC) != 0) continue;
generate(field);
}
}
public void generate(JNIField field) {
//wrap cast with parentheses
field.setCast(field.getCast());
String data = ((AbstractItem)field).flatten();
if (data != null && data.length() != 0) {
String doc = "/** @field " + data + " */" + delimiter + "\t";
inserts.put(Integer.valueOf(((ASTField)field).start), doc);
}
}
public void generate(JNIMethod[] methods) {
for (int i = 0; i < methods.length; i++) {
JNIMethod method = methods[i];
if ((method.getModifiers() & Modifier.NATIVE) == 0) continue;
generate(method);
}
}
public void generate(JNIMethod method) {
List<String> tags = new ArrayList<>();
String data = ((AbstractItem)method).flatten();
if (data != null && data.length() != 0) {
tags.add("@method " + data);
}
JNIParameter[] params = method.getParameters();
for (int i = 0; i < params.length; i++) {
ASTParameter param = (ASTParameter)params[i];
//wrap cast with parentheses
param.setCast(param.getCast());
data = ((AbstractItem)param).flatten();
if (data != null && data.length() != 0) {
tags.add("@param " + param.getName() + " " + data);
}
}
if (tags.size() == 0) return;
if (tags.size() == 1) {
String doc = "/** " + tags.get(0) + " */" + delimiter;
inserts.put(Integer.valueOf(((ASTMethod)method).start), doc);
} else {
StringBuilder buffer = new StringBuilder();
buffer.append("/**");
buffer.append(delimiter);
for (String tag : tags) {
buffer.append(" * ");
buffer.append(tag);
buffer.append(delimiter);
}
buffer.append(" */");
buffer.append(delimiter);
inserts.put(Integer.valueOf(((ASTMethod)method).start), buffer.toString());
}
}
}
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