From 16b712e0233cfd7b60668927067885f7e3551b92 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Sat, 25 Dec 2021 18:07:25 +0100
Subject: rename os/object to object

---
 src/object/xdrstream.cc | 166 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 166 insertions(+)
 create mode 100644 src/object/xdrstream.cc

(limited to 'src/object/xdrstream.cc')

diff --git a/src/object/xdrstream.cc b/src/object/xdrstream.cc
new file mode 100644
index 0000000..9dc5a1b
--- /dev/null
+++ b/src/object/xdrstream.cc
@@ -0,0 +1,166 @@
+/*
+ * Copyright 2020 Daniel Friesel
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+#include "object/xdrstream.h"
+
+XDRStream & XDRStream::operator<<(unsigned char c)
+{
+	*this << (uint32_t)c;
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(char c)
+{
+	*this << (int32_t)c;
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(uint16_t number)
+{
+	*this << (uint32_t)number;
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(int16_t number)
+{
+	*this << (int32_t)number;
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(uint32_t number)
+{
+	put((number >> 24) & 0xffU);
+	put((number >> 16) & 0xffU);
+	put((number >> 8) & 0xffU);
+	put(number & 0xffU);
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(int32_t number)
+{
+	put((number >> 24) & 0xffU);
+	put((number >> 16) & 0xffU);
+	put((number >> 8) & 0xffU);
+	put(number & 0xffU);
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(uint64_t number)
+{
+	put((number >> 56) & 0xffU);
+	put((number >> 48) & 0xffU);
+	put((number >> 40) & 0xffU);
+	put((number >> 32) & 0xffU);
+	put((number >> 24) & 0xffU);
+	put((number >> 16) & 0xffU);
+	put((number >> 8) & 0xffU);
+	put(number & 0xffU);
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(int64_t number)
+{
+	put((number >> 56) & 0xffU);
+	put((number >> 48) & 0xffU);
+	put((number >> 40) & 0xffU);
+	put((number >> 32) & 0xffU);
+	put((number >> 24) & 0xffU);
+	put((number >> 16) & 0xffU);
+	put((number >> 8) & 0xffU);
+	put(number & 0xffU);
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(float number)
+{
+	union {
+		uint32_t i;
+		float f;
+	} v;
+	// Setting one member of a struct and then reading another is undefined
+	// behaviour, but works as intended in nearly any (embedded) compiler
+	v.f = number;
+	*this << v.i;
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(double number)
+{
+	union {
+		uint64_t i;
+		double d;
+	} v;
+	// Setting one member of a union and then reading another is undefined
+	// behaviour, but works as intended in nearly any (embedded) compiler
+	v.d = number;
+	*this << v.i;
+	return *this;
+}
+
+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]);
+	}
+	while ((i++) % 4 != 0){
+		put('\0');
+	}
+	return *this;
+}
+
+template<uint32_t TSize>
+XDRStream & XDRStream::operator<<(char const (&data)[TSize]){
+	if (!is_fixed_length) {
+		*this << TSize;
+	}
+	uint32_t i;
+	for (i = 0; i < TSize; i++) {
+		put(data[i]);
+	}
+	while ((i++) % 4 != 0){
+		put('\0');
+	}
+	return *this;
+}
+
+XDRStream & XDRStream::operator<<(XDRStream & (*fkt) (XDRStream &))
+{
+	return fkt(*this);
+}
+
+XDRStream & flush(XDRStream & os)
+{
+	os.flush();
+	return os;
+}
+
+XDRStream & term(XDRStream & os)
+{
+	os.put('\0');
+	os.flush();
+	return os;
+}
+
+template<int N>
+XDRStream & opaque(XDRStream & os)
+{
+	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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