Add string_view overloads for the make_address*() functions.

asio/include/asio/ip/address.hpp

@@ -18,6 +18,7 @@
 #include "asio/detail/config.hpp"
 #include <string>
 #include "asio/detail/throw_exception.hpp"
+#include "asio/detail/string_view.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error_code.hpp"
 #include "asio/ip/address_v4.hpp"
@@ -205,6 +206,27 @@ ASIO_DECL address make_address(const std::string& str);
 ASIO_DECL address make_address(
     const std::string& str, asio::error_code& ec);
 
+#if defined(ASIO_HAS_STD_STRING_VIEW) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(string_view str);
+
+/// Create an address from an IPv4 address string in dotted decimal form,
+/// or from an IPv6 address in hexadecimal notation.
+/**
+ * @relates address
+ */
+ASIO_DECL address make_address(
+    string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+       //  || defined(GENERATING_DOCUMENTATION)
+
 #if !defined(ASIO_NO_IOSTREAM)
 
 /// Output an address as a string.

asio/include/asio/ip/address_v4.hpp

@@ -20,6 +20,7 @@
 #include "asio/detail/array.hpp"
 #include "asio/detail/cstdint.hpp"
 #include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
 #include "asio/detail/winsock_init.hpp"
 #include "asio/error_code.hpp"
 
@@ -276,6 +277,25 @@ ASIO_DECL address_v4 make_address_v4(const std::string& str);
 ASIO_DECL address_v4 make_address_v4(
     const std::string& str, asio::error_code& ec);
 
+#if defined(ASIO_HAS_STD_STRING_VIEW) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(string_view str);
+
+/// Create an IPv4 address from an IP address string in dotted decimal form.
+/**
+ * @relates address_v4
+ */
+ASIO_DECL address_v4 make_address_v4(
+    string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+       //  || defined(GENERATING_DOCUMENTATION)
+
 #if !defined(ASIO_NO_IOSTREAM)
 
 /// Output an address as a string.

asio/include/asio/ip/address_v6.hpp

@@ -19,6 +19,7 @@
 #include <string>
 #include "asio/detail/array.hpp"
 #include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
 #include "asio/detail/winsock_init.hpp"
 #include "asio/error_code.hpp"
 #include "asio/ip/address_v4.hpp"
@@ -265,6 +266,25 @@ ASIO_DECL address_v6 make_address_v6(const std::string& str);
 ASIO_DECL address_v6 make_address_v6(
     const std::string& str, asio::error_code& ec);
 
+#if defined(ASIO_HAS_STD_STRING_VIEW) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(string_view str);
+
+/// Create an IPv6 address from an IP address string.
+/**
+ * @relates address_v6
+ */
+ASIO_DECL address_v6 make_address_v6(
+    string_view str, asio::error_code& ec);
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+       //  || defined(GENERATING_DOCUMENTATION)
+
 /// Tag type used for distinguishing overloads that deal in IPv4-mapped IPv6
 /// addresses.
 enum v4_mapped_t { v4_mapped };

asio/include/asio/ip/impl/address.ipp

@@ -134,6 +134,21 @@ address make_address(const std::string& str,
   return make_address(str.c_str(), ec);
 }
 
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+
+address make_address(string_view str)
+{
+  return make_address(static_cast<std::string>(str));
+}
+
+address make_address(string_view str,
+    asio::error_code& ec)
+{
+  return make_address(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+
 asio::ip::address_v4 address::to_v4() const
 {
   if (type_ != ipv4)

asio/include/asio/ip/impl/address_v4.ipp

@@ -187,6 +187,21 @@ address_v4 make_address_v4(
   return make_address_v4(str.c_str(), ec);
 }
 
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+
+address_v4 make_address_v4(string_view str)
+{
+  return make_address_v4(static_cast<std::string>(str));
+}
+
+address_v4 make_address_v4(string_view str,
+    asio::error_code& ec)
+{
+  return make_address_v4(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+
 } // namespace ip
 } // namespace asio
 

asio/include/asio/ip/impl/address_v6.ipp

@@ -303,6 +303,21 @@ address_v6 make_address_v6(
   return make_address_v6(str.c_str(), ec);
 }
 
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+
+address_v6 make_address_v6(string_view str)
+{
+  return make_address_v6(static_cast<std::string>(str));
+}
+
+address_v6 make_address_v6(string_view str,
+    asio::error_code& ec)
+{
+  return make_address_v6(static_cast<std::string>(str), ec);
+}
+
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+
 address_v4 make_address_v4(
     v4_mapped_t, const address_v6& v6_addr)
 {

asio/src/tests/unit/ip/address.cpp

@@ -108,6 +108,15 @@ void test()
     addr1 = ip::make_address("127.0.0.1", ec);
     addr1 = ip::make_address(string_value);
     addr1 = ip::make_address(string_value, ec);
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("127.0.0.1");
+# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::string_view string_view_value("127.0.0.1");
+# endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    addr1 = ip::make_address(string_view_value);
+    addr1 = ip::make_address(string_view_value, ec);
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
 
     // address I/O.
 

asio/src/tests/unit/ip/address_v4.cpp

@@ -132,6 +132,15 @@ void test()
     addr1 = ip::make_address_v4("127.0.0.1", ec);
     addr1 = ip::make_address_v4(string_value);
     addr1 = ip::make_address_v4(string_value, ec);
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("127.0.0.1");
+# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::string_view string_view_value("127.0.0.1");
+# endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    addr1 = ip::make_address_v4(string_view_value);
+    addr1 = ip::make_address_v4(string_view_value, ec);
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
 
     // address_v4 I/O.
 

asio/src/tests/unit/ip/address_v6.cpp

@@ -144,6 +144,15 @@ void test()
     addr1 = ip::make_address_v6("0::0", ec);
     addr1 = ip::make_address_v6(string_value);
     addr1 = ip::make_address_v6(string_value, ec);
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+# if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::experimental::string_view string_view_value("0::0");
+# else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    std::string_view string_view_value("0::0");
+# endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+    addr1 = ip::make_address_v6(string_view_value);
+    addr1 = ip::make_address_v6(string_view_value, ec);
+#endif // defined(ASIO_HAS_STD_STRING_VIEW)
 
     // address_v6 IPv4-mapped conversion.
 #if defined(ASIO_NO_DEPRECATED)