From a5cb9866e5e3aa05a6cfc11849e0e1e305f84696 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Fri, 30 Dec 2016 18:01:31 +0000
Subject: Add helper for simply returning a formatted string (sprintf style)

---
 libadhocutil/compileTimeFormatter.h                 | 10 +++++++++-
 libadhocutil/unittests/testCompileTimeFormatter.cpp |  6 ++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/libadhocutil/compileTimeFormatter.h b/libadhocutil/compileTimeFormatter.h
index 9f6acfe..8a92094 100644
--- a/libadhocutil/compileTimeFormatter.h
+++ b/libadhocutil/compileTimeFormatter.h
@@ -1,4 +1,4 @@
-#include <iostream>
+#include <sstream>
 #include <string.h>
 #include <boost/static_assert.hpp>
 #include <boost/preprocessor/variadic/size.hpp>
@@ -172,6 +172,14 @@ namespace AdHoc {
 
 	template <const char * const & S>
 	struct Formatter {
+		template<typename ... Pn>
+		static std::string get(const Pn & ... pn)
+		{
+			std::stringstream s;
+			run(Parser<S, 0, 0, *S>::parse(), s, pn...);
+			return s.str();
+		}
+
 		template<typename stream, typename ... Pn>
 		static void write(stream & s, const Pn & ... pn)
 		{
diff --git a/libadhocutil/unittests/testCompileTimeFormatter.cpp b/libadhocutil/unittests/testCompileTimeFormatter.cpp
index 9b678ec..0f021e5 100644
--- a/libadhocutil/unittests/testCompileTimeFormatter.cpp
+++ b/libadhocutil/unittests/testCompileTimeFormatter.cpp
@@ -211,3 +211,9 @@ BOOST_AUTO_TEST_CASE ( customMultiArgRightAlign )
 	BOOST_REQUIRE_EQUAL(buf3.str(), "value              123.45");
 }
 
+BOOST_AUTO_TEST_CASE ( get )
+{
+	auto s = Formatter<formatStringMultiArg>::get(20, "something else");
+	BOOST_REQUIRE_EQUAL(s, "value      something else");
+}
+
-- 
cgit v1.2.3