From 250e5cbf46721b5926702fc6b2783b3ff4b7c63c Mon Sep 17 00:00:00 2001
From: Bob Polis <rpb.polis@avans.nl>
Date: Sat, 22 Feb 2020 21:18:53 +0100
Subject: [PATCH] implemented fdinbuf and fdistream

---
 fdistream.cpp | 26 ++++++++++++++++++++++++++
 libscio.hpp   | 24 +++++++++++++++++++++---
 2 files changed, 47 insertions(+), 3 deletions(-)

diff --git a/fdistream.cpp b/fdistream.cpp
index 55b6035..32848de 100644
--- a/fdistream.cpp
+++ b/fdistream.cpp
@@ -7,3 +7,29 @@
 //
 
 #include "libscio.hpp"
+
+#ifdef _MSC_VER
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
+using namespace sc::io;
+
+std::streambuf::int_type fdinbuf::uflow() {
+	return _ch;
+}
+
+std::streambuf::int_type fdinbuf::underflow() {
+	char c;
+	int num = read(_fd, &c, 1);
+	if (num <= 0) {
+		_ch = EOF;
+	}
+	_ch = c;
+	return _ch;
+}
+
+std::streamsize fdinbuf::xsgetn(char* s, std::streamsize n) {
+	return read(_fd, s, n);
+}
diff --git a/libscio.hpp b/libscio.hpp
index 982ad85..9119401 100644
--- a/libscio.hpp
+++ b/libscio.hpp
@@ -32,26 +32,44 @@ namespace sc {
 
 		class fdostream : public std::ostream {
 			public:
-				fdostream(int fd) : std::ostream(&_buf), _buf(fd) {}
+				fdostream(int fd) : std::ostream(&_outbuf), _outbuf(fd) {}
 
 			protected:
-				fdoutbuf _buf;
+				fdoutbuf _outbuf;
 		};
 
 		class fdinbuf : public std::streambuf {
+			public:
+				fdinbuf(int fd) : _fd(fd) {}
 
+			protected:
+				int _fd;
+				int_type _ch {EOF};
+
+				int_type uflow() override;
+				int_type underflow() override;
+				std::streamsize xsgetn(char* s, std::streamsize n) override;
 		};
 
 		class fdistream : public std::istream {
+			public:
+				fdistream(int fd) : std::istream(&_inbuf), _inbuf(fd) {}
 
+			protected:
+				fdinbuf _inbuf;
 		};
 
 		class fdstream : public fdostream, public fdistream {
-
+			public:
+				fdstream(int fd) : fdostream(fd), fdistream(fd) {}
 		};
 
 		class socketstream : public fdstream {
+			public:
+				socketstream(int fd) : fdstream(fd) {}
 
+				//void make_server(const std::string& address, int port);
+				//void connect(const std::string& address, int port);
 		};
 
 		struct float_80 {