From 4853a5593cc6147e1851e537b46a5128792939a5 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Tue, 25 Sep 2018 08:32:16 +0200
Subject: Your Templates are Bad and You Should Feel Bad

---
 src/app/prototest/main.cc  | 10 ++++++++--
 src/os/object/xdrstream.cc | 33 ++++++++++++++++++++++++++++++++-
 2 files changed, 40 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/app/prototest/main.cc b/src/app/prototest/main.cc
index 8613bea..c17b69d 100644
--- a/src/app/prototest/main.cc
+++ b/src/app/prototest/main.cc
@@ -6,7 +6,7 @@
 #include "object/stdbuf.h"
 #include "object/xdrstream.h"
 
-char buf[128];
+char buf[256];
 
 void loop(void)
 {
@@ -30,10 +30,16 @@ void loop(void)
 
 	BufferOutput<XDRStream> foostream(buf);
 
+	char test[] = "Obai World!";
+
 	foostream << 123 << 0 << 12345678;
+	foostream.setNextArrayLen(3);
+	foostream << fixed << "Hai";
+	foostream.setNextArrayLen(sizeof(test));
+	foostream << variable << (char const *)test;
 
 	kout << "foostream is " << hex;
-	for (unsigned int i = 0; i < 32; i += 4) {
+	for (unsigned int i = 0; i < 64; i += 4) {
 		kout << (unsigned char)buf[i] << (unsigned char)buf[i+1];
 		kout << (unsigned char)buf[i+2] << (unsigned char)buf[i+3] << " ";
 	}
diff --git a/src/os/object/xdrstream.cc b/src/os/object/xdrstream.cc
index eb5ca87..d7a5ace 100644
--- a/src/os/object/xdrstream.cc
+++ b/src/os/object/xdrstream.cc
@@ -69,6 +69,9 @@ XDRStream & XDRStream::operator<<(int64_t number)
 }
 
 XDRStream & XDRStream::operator<<(char const *data){
+	if (!is_fixed_length) {
+		*this << next_array_len;
+	}
 	uint32_t i;
 	for (i = 0; i < next_array_len; i++) {
 		put(data[i]);
@@ -79,6 +82,21 @@ XDRStream & XDRStream::operator<<(char const *data){
 	return *this;
 }
 
+template<int N>
+XDRStream & XDRStream::operator<<(char const (&data)[N]){
+	if (!is_fixed_length) {
+		*this << N;
+	}
+	uint32_t i;
+	for (i = 0; i < N; i++) {
+		put(data[i]);
+	}
+	while ((i++) % 4 != 0){
+		put('\0');
+	}
+	return *this;
+}
+
 XDRStream & XDRStream::operator<<(XDRStream & (*fkt) (XDRStream &))
 {
 	return fkt(*this);
@@ -99,8 +117,21 @@ XDRStream & term(XDRStream & os)
 	return os;
 }
 
+template<int N>
 XDRStream & opaque(XDRStream & os)
 {
-	os.setNextArrayLen(3);
+	os.setNextArrayLen(N);
+	return os;
+}
+
+XDRStream & fixed(XDRStream & os)
+{
+	os.setFixedLength();
+	return os;
+}
+
+XDRStream & variable(XDRStream & os)
+{
+	os.setVariableLength();
 	return os;
 }
-- 
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