private void generateStructBinding(
Element element, Struct struct, String root, String pakage, File header) throws IOException {
String declaredType = element.asType().toString();
String structName = struct.name().equals(DEFAULT) ? declaredType : struct.name();
if (generatedStructs.contains(structName)) {
messager.printMessage(
Kind.WARNING, "struct " + structName + " already defined elsewhere.", element);
return;
}
System.out.println("generating struct accessor for struct: " + structName);
generatedStructs.add(structName);
String output = root + separator + outputDir;
String config = output + separator + header.getName() + ".cfg";
File configFile = new File(config);
FileWriter writer = null;
try {
writer = new FileWriter(configFile);
writer.write("Package " + pakage + "\n");
writer.write("EmitStruct " + structName + "\n");
if (!struct.name().equals(DEFAULT)) {
writer.write("RenameJavaType " + struct.name() + " " + declaredType + "\n");
}
} finally {
if (writer != null) {
writer.close();
}
}
// TODO this isn't very clean since we won't get any exceptions this way
GlueGen.main(
// "-I"+path+"/build/",
"-O" + output,
"-E" + AnnotationProcessorJavaStructEmitter.class.getName(),
"-C" + config,
header.getPath());
configFile.delete();
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment env) {
Set<? extends Element> elements = env.getElementsAnnotatedWith(Struct.class);
for (Element element : elements) {
String pakage = eltUtils.getPackageOf(element).toString();
try {
Struct struct = element.getAnnotation(Struct.class);
String headerRelPath = struct.header();
// yes, this is a hack but there are simple to many bugs in this api.
// e.g.: 6647998
FileObject header = filer.getResource(StandardLocation.SOURCE_PATH, pakage, headerRelPath);
String root = basedir;
File headerFile = null;
if (header.toUri().isAbsolute()) {
headerFile = new File(header.toUri());
root = headerFile.getAbsolutePath();
root = root.substring(0, root.length() - headerFile.getName().length() - 1);
root = root.substring(0, root.length() - pakage.length()) + "../";
} else {
root = System.getProperty("user.dir");
headerFile = new File(root + separator + header.toUri());
}
System.out.println("processing header: " + header.toUri());
generateStructBinding(element, struct, root, pakage, headerFile);
} catch (IOException ex) {
throw new RuntimeException("IOException encountered, run if you can!", ex);
}
}
return true;
}
