com.badlogic.gdx.jnigen.parsing.JniHeaderCMethodParser Maven / Gradle / Ivy
/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed 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 com.badlogic.gdx.jnigen.parsing;
import java.util.ArrayList;
public class JniHeaderCMethodParser implements CMethodParser {
private static final String C_METHOD_MARKER = "JNIEXPORT";
public CMethodParserResult parse (String headerFile) {
ArrayList methods = new ArrayList();
int index = headerFile.indexOf(C_METHOD_MARKER);
if (index == -1) return null;
while (index >= 0) {
CMethod method = parseCMethod(headerFile, index);
if (method == null) throw new RuntimeException("Couldn't parse method");
methods.add(method);
index = headerFile.indexOf(C_METHOD_MARKER, method.endIndex);
}
return new CMethodParserResult(methods);
}
private CMethod parseCMethod (String headerFile, int start) {
int headEnd = headerFile.indexOf('(', start);
String head = headerFile.substring(start, headEnd).trim();
String returnType = head.split(" ")[1].trim();
int argsStart = headEnd + 1;
int argsEnd = headerFile.indexOf(')', argsStart);
String[] args = headerFile.substring(argsStart, argsEnd).split(",");
return new CMethod(returnType, head, args, start, argsEnd + 1);
}
}