@JRubyMethod(name = "new", frame = true, meta = true)
public static RubyGzipFile newInstance(IRubyObject recv, Block block) {
RubyClass klass = (RubyClass) recv;
RubyGzipFile result = (RubyGzipFile) klass.allocate();
result.callInit(new IRubyObject[0], block);
return result;
}
private static IRubyObject wrapBlock(ThreadContext context, RubyGzipFile instance, Block block)
throws IOException {
if (block.isGiven()) {
try {
block.yield(context, instance);
return instance.getRuntime().getNil();
} finally {
if (!instance.isClosed()) instance.close();
}
}
return instance;
}
@JRubyMethod(name = "open", required = 1, frame = true, meta = true)
public static IRubyObject open(
final ThreadContext context, IRubyObject recv, IRubyObject filename, Block block)
throws IOException {
Ruby runtime = recv.getRuntime();
IRubyObject io =
RuntimeHelpers.invoke(
context, runtime.getFile(), "open", filename, runtime.newString("rb"));
RubyGzipReader gzio = newInstance(recv, new IRubyObject[] {io}, block);
return RubyGzipFile.wrapBlock(context, gzio, block);
}
@JRubyMethod(name = "open", required = 1, optional = 2, frame = true, meta = true)
public static IRubyObject open(
final ThreadContext context, IRubyObject recv, IRubyObject[] args, Block block)
throws IOException {
Ruby runtime = recv.getRuntime();
IRubyObject level = runtime.getNil();
IRubyObject strategy = runtime.getNil();
if (args.length > 1) {
level = args[1];
if (args.length > 2) strategy = args[2];
}
IRubyObject io =
RuntimeHelpers.invoke(
context, runtime.getFile(), "open", args[0], runtime.newString("wb"));
RubyGzipWriter gzio = newGzipWriter(recv, new IRubyObject[] {io, level, strategy}, block);
return RubyGzipFile.wrapBlock(context, gzio, block);
}