From f8d9ac5d13dd37b8b57af0478e77ba1e75c813aa Mon Sep 17 00:00:00 2001
From: Stefan Boberg <stefan@boberg.org>
Date: Tue, 11 May 2021 13:05:39 +0200
Subject: Adding zenservice code

---
 zencore/streamutil.cpp | 104 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 zencore/streamutil.cpp

(limited to 'zencore/streamutil.cpp')

diff --git a/zencore/streamutil.cpp b/zencore/streamutil.cpp
new file mode 100644
index 000000000..d3ed5ceaa
--- /dev/null
+++ b/zencore/streamutil.cpp
@@ -0,0 +1,104 @@
+// Copyright Epic Games, Inc. All Rights Reserved.
+
+#include <zencore/streamutil.h>
+#include <zencore/string.h>
+
+namespace zen {
+
+BinaryWriter&
+operator<<(BinaryWriter& writer, const std::string_view& value)
+{
+	writer.Write(value.data(), value.size());
+	writer << uint8_t(0);
+
+	return writer;
+}
+
+BinaryReader&
+operator>>(BinaryReader& reader, std::string& value)
+{
+	for (;;)
+	{
+		uint8_t x;
+		reader.Read(&x, 1);
+
+		if (x == 0)
+			return reader;
+
+		value.push_back(char(x));
+	}
+}
+
+BinaryWriter&
+operator<<(BinaryWriter& writer, const std::wstring_view& value)
+{
+	// write as utf8
+
+	ExtendableStringBuilder<128> utf8;
+	WideToUtf8(value, utf8);
+
+	writer.Write(utf8.c_str(), utf8.Size() + 1);
+
+	return writer;
+}
+
+BinaryReader&
+operator>>(BinaryReader& reader, std::wstring& value)
+{
+	// read as utf8
+
+	std::string v8;
+	reader >> v8;
+
+	ExtendableWideStringBuilder<128> wstr;
+	Utf8ToWide(v8, wstr);
+
+	value = wstr.c_str();
+
+	return reader;
+}
+
+TextWriter&
+operator<<(TextWriter& writer, const zen::SHA1& value)
+{
+	zen::SHA1::String_t buffer;
+	value.ToHexString(buffer);
+
+	writer.Write(buffer, zen::SHA1::StringLength);
+
+	return writer;
+}
+
+TextWriter&
+operator<<(TextWriter& writer, const zen::BLAKE3& value)
+{
+	zen::BLAKE3::String_t buffer;
+	value.ToHexString(buffer);
+
+	writer.Write(buffer, zen::BLAKE3::StringLength);
+
+	return writer;
+}
+
+TextWriter&
+operator<<(TextWriter& writer, const zen::IoHash& value)
+{
+	zen::IoHash::String_t buffer;
+	value.ToHexString(buffer);
+
+	writer.Write(buffer, zen::IoHash::StringLength);
+
+	return writer;
+}
+
+TextWriter&
+operator<<(TextWriter& writer, const std::wstring_view& value)
+{
+	ExtendableStringBuilder<128> v8;
+	WideToUtf8(value, v8);
+
+	writer.Write(v8.c_str(), v8.Size());
+	return writer;
+}
+
+}  // namespace zen
-- 
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