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author | Kevin Smith <git@kismith.co.uk> | 2013-01-12 18:41:34 (GMT) |
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committer | Swift Review <review@swift.im> | 2013-01-13 10:36:26 (GMT) |
commit | f3bc816af1b0d61452de973963e453bf3b3f95a2 (patch) | |
tree | e895f8afa3580e6cff6f5ad2017d45bf147a17c2 /3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp | |
parent | 188fc285c6555eadd3c9d50ab8a94adcade78d89 (diff) | |
download | swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.zip swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.tar.bz2 |
Adding in the spirit Boost stuff
Change-Id: I4f127ce61667243b64081b0aa309028d5077045f
Diffstat (limited to '3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp b/3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp new file mode 100644 index 0000000..f970012 --- /dev/null +++ b/3rdParty/Boost/src/boost/spirit/home/support/string_traits.hpp @@ -0,0 +1,358 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + Copyright (c) 2001-2011 Hartmut Kaiser + Copyright (c) 2010 Bryce Lelbach + + 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) +================================================_==============================*/ +#if !defined(BOOST_SPIRIT_STRING_TRAITS_OCTOBER_2008_1252PM) +#define BOOST_SPIRIT_STRING_TRAITS_OCTOBER_2008_1252PM + +#if defined(_MSC_VER) +#pragma once +#endif + +#include <boost/spirit/home/support/container.hpp> +#include <string> +#include <boost/mpl/bool.hpp> +#include <boost/mpl/identity.hpp> +#include <boost/mpl/if.hpp> +#include <boost/proto/proto_fwd.hpp> +#include <boost/type_traits/is_const.hpp> +#if defined(__GNUC__) && (__GNUC__ < 4) +#include <boost/type_traits/add_const.hpp> +#endif + +namespace boost { namespace spirit { namespace traits +{ + /////////////////////////////////////////////////////////////////////////// + // Determine if T is a character type + /////////////////////////////////////////////////////////////////////////// + template <typename T> + struct is_char : mpl::false_ {}; + + template <typename T> + struct is_char<T const> : is_char<T> {}; + + template <> + struct is_char<char> : mpl::true_ {}; + + template <> + struct is_char<wchar_t> : mpl::true_ {}; + + /////////////////////////////////////////////////////////////////////////// + // Determine if T is a string + /////////////////////////////////////////////////////////////////////////// + template <typename T> + struct is_string : mpl::false_ {}; + + template <typename T> + struct is_string<T const> : is_string<T> {}; + + template <> + struct is_string<char const*> : mpl::true_ {}; + + template <> + struct is_string<wchar_t const*> : mpl::true_ {}; + + template <> + struct is_string<char*> : mpl::true_ {}; + + template <> + struct is_string<wchar_t*> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<char[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<wchar_t[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<char const[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<wchar_t const[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<char(&)[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<wchar_t(&)[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<char const(&)[N]> : mpl::true_ {}; + + template <std::size_t N> + struct is_string<wchar_t const(&)[N]> : mpl::true_ {}; + + template <typename T, typename Traits, typename Allocator> + struct is_string<std::basic_string<T, Traits, Allocator> > : mpl::true_ {}; + + /////////////////////////////////////////////////////////////////////////// + // Get the underlying char type of a string + /////////////////////////////////////////////////////////////////////////// + template <typename T> + struct char_type_of; + + template <typename T> + struct char_type_of<T const> : char_type_of<T> {}; + + template <> + struct char_type_of<char> : mpl::identity<char> {}; + + template <> + struct char_type_of<wchar_t> : mpl::identity<wchar_t> {}; + + template <> + struct char_type_of<char const*> : mpl::identity<char const> {}; + + template <> + struct char_type_of<wchar_t const*> : mpl::identity<wchar_t const> {}; + + template <> + struct char_type_of<char*> : mpl::identity<char> {}; + + template <> + struct char_type_of<wchar_t*> : mpl::identity<wchar_t> {}; + + template <std::size_t N> + struct char_type_of<char[N]> : mpl::identity<char> {}; + + template <std::size_t N> + struct char_type_of<wchar_t[N]> : mpl::identity<wchar_t> {}; + + template <std::size_t N> + struct char_type_of<char const[N]> : mpl::identity<char const> {}; + + template <std::size_t N> + struct char_type_of<wchar_t const[N]> : mpl::identity<wchar_t const> {}; + + template <std::size_t N> + struct char_type_of<char(&)[N]> : mpl::identity<char> {}; + + template <std::size_t N> + struct char_type_of<wchar_t(&)[N]> : mpl::identity<wchar_t> {}; + + template <std::size_t N> + struct char_type_of<char const(&)[N]> : mpl::identity<char const> {}; + + template <std::size_t N> + struct char_type_of<wchar_t const(&)[N]> : mpl::identity<wchar_t const> {}; + + template <typename T, typename Traits, typename Allocator> + struct char_type_of<std::basic_string<T, Traits, Allocator> > + : mpl::identity<T> {}; + + /////////////////////////////////////////////////////////////////////////// + // Get the C string from a string + /////////////////////////////////////////////////////////////////////////// + template <typename String> + struct extract_c_string; + + template <typename String> + struct extract_c_string + { + typedef typename char_type_of<String>::type char_type; + + template <typename T> + static T const* call (T* str) + { + return (T const*)str; + } + + template <typename T> + static T const* call (T const* str) + { + return str; + } + }; + + // Forwarder that strips const + template <typename T> + struct extract_c_string<T const> + { + typedef typename extract_c_string<T>::char_type char_type; + + static typename extract_c_string<T>::char_type const* call (T const str) + { + return extract_c_string<T>::call(str); + } + }; + + // Forwarder that strips references + template <typename T> + struct extract_c_string<T&> + { + typedef typename extract_c_string<T>::char_type char_type; + + static typename extract_c_string<T>::char_type const* call (T& str) + { + return extract_c_string<T>::call(str); + } + }; + + // Forwarder that strips const references + template <typename T> + struct extract_c_string<T const&> + { + typedef typename extract_c_string<T>::char_type char_type; + + static typename extract_c_string<T>::char_type const* call (T const& str) + { + return extract_c_string<T>::call(str); + } + }; + + template <typename T, typename Traits, typename Allocator> + struct extract_c_string<std::basic_string<T, Traits, Allocator> > + { + typedef T char_type; + + typedef std::basic_string<T, Traits, Allocator> string; + + static T const* call (string const& str) + { + return str.c_str(); + } + }; + + template <typename T> + typename extract_c_string<T*>::char_type const* + get_c_string (T* str) + { + return extract_c_string<T*>::call(str); + } + + template <typename T> + typename extract_c_string<T const*>::char_type const* + get_c_string (T const* str) + { + return extract_c_string<T const*>::call(str); + } + + template <typename String> + typename extract_c_string<String>::char_type const* + get_c_string (String& str) + { + return extract_c_string<String>::call(str); + } + + template <typename String> + typename extract_c_string<String>::char_type const* + get_c_string (String const& str) + { + return extract_c_string<String>::call(str); + } + + /////////////////////////////////////////////////////////////////////////// + // Get the begin/end iterators from a string + /////////////////////////////////////////////////////////////////////////// + + // Implementation for C-style strings. + +// gcc 3.x.x has problems resolving ambiguities here +#if defined(__GNUC__) && (__GNUC__ < 4) + template <typename T> + inline typename add_const<T>::type * get_begin(T* str) { return str; } + + template <typename T> + inline typename add_const<T>::type* get_end(T* str) + { + T* last = str; + while (*last) + last++; + return last; + } +#else + template <typename T> + inline T const* get_begin(T const* str) { return str; } + + template <typename T> + inline T* get_begin(T* str) { return str; } + + template <typename T> + inline T const* get_end(T const* str) + { + T const* last = str; + while (*last) + last++; + return last; + } + + template <typename T> + inline T* get_end(T* str) + { + T* last = str; + while (*last) + last++; + return last; + } +#endif + + // Implementation for containers (includes basic_string). + template <typename T, typename Str> + inline typename Str::const_iterator get_begin(Str const& str) + { return str.begin(); } + + template <typename T, typename Str> + inline typename Str::iterator + get_begin(Str& str BOOST_PROTO_DISABLE_IF_IS_CONST(Str)) + { return str.begin(); } + + template <typename T, typename Str> + inline typename Str::const_iterator get_end(Str const& str) + { return str.end(); } + + template <typename T, typename Str> + inline typename Str::iterator + get_end(Str& str BOOST_PROTO_DISABLE_IF_IS_CONST(Str)) + { return str.end(); } + + // Default implementation for other types: try a C-style string + // conversion. + // These overloads are explicitly disabled for containers, + // as they would be ambiguous with the previous ones. + template <typename T, typename Str> + inline typename disable_if<is_container<Str> + , T const*>::type get_begin(Str const& str) + { return str; } + + template <typename T, typename Str> + inline typename disable_if<is_container<Str> + , T const*>::type get_end(Str const& str) + { return get_end(get_begin<T>(str)); } +} + +namespace result_of +{ + template <typename Char, typename T, typename Enable = void> + struct get_begin + { + typedef typename traits::char_type_of<T>::type char_type; + + typedef typename mpl::if_< + is_const<char_type> + , char_type const + , char_type + >::type* type; + }; + + template <typename Char, typename Str> + struct get_begin<Char, Str + , typename enable_if<traits::is_container<Str> >::type> + { + typedef typename mpl::if_< + is_const<Str> + , typename Str::const_iterator + , typename Str::iterator + >::type type; + }; + + template <typename Char, typename T> + struct get_end : get_begin<Char, T> {}; +} + +}} + +#endif |