Implemented raii::binary to a usable level and polished the raii::string family a bit better.

2019-09-18 14:29:57 -07:00
parent 57ed5d979f
commit 60b380f14e
13 changed files with 334 additions and 220 deletions
@@ -0,0 +1,53 @@
+#ifndef RAII_BINARY_STRING_CONV_HPP
+#define RAII_BINARY_STRING_CONV_HPP
+
+#include "raii/string.hpp"
+#include "raii/binary.hpp"
+
+namespace raii{
+	template<class Al, class Str = raii::string, typename std::enable_if<raii::detail::is_concrete_string<Str>::value,void>::type* = nullptr>
+	auto binary_to_string(const binary_data<Al>& b){
+		Str s(b.size()+1);
+		memcpy(s.get(), b.get(), b.size());
+		s[b.size()] = 0;
+		return s;
+	}
+	template<class Al, class Str = raii::string, typename std::enable_if<raii::detail::is_concrete_string<Str>::value && std::is_same<typename std::decay<Al>::type,typename Str::allocator_type>::value,void>::type* = nullptr>
+	auto binary_to_string(binary_data<Al>&& b){
+		Str s;
+		s.reset(b.get(), b.size());
+		b.release();
+		return s;
+	}
+	template<class Bin = raii::binary, typename std::enable_if<raii::detail::is_binary_type<Bin>::value,void>::type* = nullptr>
+	auto string_to_binary(const string_base& s){
+		Bin b(s.length()+1);
+		b.append(s.get(), s.length()+1);
+		return b;
+	}
+	template<class Al, class Bin = raii::binary, typename std::enable_if<raii::detail::is_binary_type<Bin>::value && std::is_same<typename std::decay<Al>::type,typename Bin::allocator_type>::value,void>::type* = nullptr>
+	auto string_to_binary(string_intermediary<Al>&& s){
+		Bin b;
+		b.reset(s.get(), s.length()+1);
+		s.release();
+		return b;
+	}
+}
+template<class L, class R, typename std::enable_if<raii::detail::is_binary_type<L>::value && raii::detail::is_concrete_string<R>::value,void>::type* = nullptr>
+decltype(auto) operator+=(L& l, R&& r){
+	l.append(r.get(), r.length()+1);
+	return l;
+}
+template<class L, class R, typename std::enable_if<raii::detail::is_binary_type<L>::value && raii::detail::is_string<R>::value && !raii::detail::is_concrete_string<R>::value,void>::type* = nullptr>
+decltype(auto) operator+=(L& l, R&& r){
+	raii::string concrete = r;
+	return (l = concrete);
+}
+template<class L, class R, typename std::enable_if<raii::detail::is_concrete_string<L>::value && raii::detail::is_binary_type<R>::value,void>::type* = nullptr>
+decltype(auto) operator+=(L& l, R&& r){
+	l.resize(l.length(), r.size() + 1);
+	memcpy(l.get()+l.length()+1, r.get(), r.size());
+	return l;
+}
+
+#endif