Squashed 'third_party/boostorg/lexical_cast/' content from commit 5bfe667
Change-Id: I518d0a0b83082059176813a98b80ad92892ac745
git-subtree-dir: third_party/boostorg/lexical_cast
git-subtree-split: 5bfe6672d467ebd8de5d911c07b2a931b43156de
diff --git a/include/boost/lexical_cast.hpp b/include/boost/lexical_cast.hpp
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+// Copyright Kevlin Henney, 2000-2005.
+// Copyright Alexander Nasonov, 2006-2010.
+// Copyright Antony Polukhin, 2011-2014.
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+//
+// what: lexical_cast custom keyword cast
+// who: contributed by Kevlin Henney,
+// enhanced with contributions from Terje Slettebo,
+// with additional fixes and suggestions from Gennaro Prota,
+// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
+// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
+// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
+// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
+
+#ifndef BOOST_LEXICAL_CAST_INCLUDED
+#define BOOST_LEXICAL_CAST_INCLUDED
+
+#include <boost/config.hpp>
+#ifdef BOOST_HAS_PRAGMA_ONCE
+# pragma once
+#endif
+
+#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
+#define BOOST_LCAST_NO_WCHAR_T
+#endif
+
+#include <boost/range/iterator_range_core.hpp>
+#include <boost/lexical_cast/bad_lexical_cast.hpp>
+#include <boost/lexical_cast/try_lexical_convert.hpp>
+
+namespace boost
+{
+ template <typename Target, typename Source>
+ inline Target lexical_cast(const Source &arg)
+ {
+ Target result = Target();
+
+ if (!boost::conversion::detail::try_lexical_convert(arg, result)) {
+ boost::conversion::detail::throw_bad_cast<Source, Target>();
+ }
+
+ return result;
+ }
+
+ template <typename Target>
+ inline Target lexical_cast(const char* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const char*>(chars, chars + count)
+ );
+ }
+
+ template <typename Target>
+ inline Target lexical_cast(const unsigned char* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const unsigned char*>(chars, chars + count)
+ );
+ }
+
+ template <typename Target>
+ inline Target lexical_cast(const signed char* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const signed char*>(chars, chars + count)
+ );
+ }
+
+#ifndef BOOST_LCAST_NO_WCHAR_T
+ template <typename Target>
+ inline Target lexical_cast(const wchar_t* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const wchar_t*>(chars, chars + count)
+ );
+ }
+#endif
+#ifndef BOOST_NO_CXX11_CHAR16_T
+ template <typename Target>
+ inline Target lexical_cast(const char16_t* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const char16_t*>(chars, chars + count)
+ );
+ }
+#endif
+#ifndef BOOST_NO_CXX11_CHAR32_T
+ template <typename Target>
+ inline Target lexical_cast(const char32_t* chars, std::size_t count)
+ {
+ return ::boost::lexical_cast<Target>(
+ ::boost::iterator_range<const char32_t*>(chars, chars + count)
+ );
+ }
+#endif
+
+} // namespace boost
+
+#undef BOOST_LCAST_NO_WCHAR_T
+
+#endif // BOOST_LEXICAL_CAST_INCLUDED
+