Added boost header

test/external/boost/iostreams/detail/path.hpp

@@ -0,0 +1,214 @@
+/*
+ * 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.)
+ * 
+ * See http://www.boost.org/libs/iostreams for documentation.
+ *
+ * File:        boost/iostreams/detail/path.hpp
+ * Date:        Sat Jun 21 21:24:05 MDT 2008
+ * Copyright:   2008 CodeRage, LLC
+ * Author:      Jonathan Turkanis
+ * Contact:     turkanis at coderage dot com
+ *
+ * Defines the class boost::iostreams::detail::path, for storing a 
+ * a std::string or std::wstring.
+ *
+ * This class allows interoperability with Boost.Filesystem without
+ * creating a dependence on Boost.Filesystem headers or implementation.
+ */
+
+#ifndef BOOST_IOSTREAMS_DETAIL_PATH_HPP_INCLUDED
+#define BOOST_IOSTREAMS_DETAIL_PATH_HPP_INCLUDED
+
+#include <cstring>
+#include <string>
+#include <boost/iostreams/detail/config/wide_streams.hpp>
+#ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS
+# include <cwchar>
+#endif
+#include <boost/static_assert.hpp>
+#include <boost/type.hpp>
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost { namespace iostreams { namespace detail {
+
+#ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS //------------------------------------//
+
+class path {
+    template<typename T, typename V>
+    struct sfinae
+    {
+        typedef V type;
+    };
+public:
+
+    // Default constructor
+    path() : narrow_(), wide_(), is_wide_(false) { }
+
+    // Constructor taking a std::string
+    path(const std::string& p) : narrow_(p), wide_(), is_wide_(false) { }
+
+    // Constructor taking a C-style string
+    path(const char* p) : narrow_(p), wide_(), is_wide_(false) { }
+
+    // Constructor taking a boost::filesystem2::path or
+    // boost::filesystem2::wpath
+    template<typename Path>
+    explicit path(const Path& p, typename Path::external_string_type* = 0)
+    {
+        init(p.external_file_string());
+    }
+
+    // Constructor taking a boost::filesystem3::path (boost filesystem v3)
+    template<typename Path>
+    explicit path(const Path& p, typename Path::codecvt_type* = 0)
+    {
+        init(p.native());
+    }
+
+    // Copy constructor
+    path(const path& p) 
+        : narrow_(p.narrow_), wide_(p.wide_), is_wide_(p.is_wide_) 
+        { }
+
+    // Assignment operator taking another path
+    path& operator=(const path& p)
+    {
+        narrow_ = p.narrow_;
+        wide_ = p.wide_;
+        is_wide_ = p.is_wide_;
+        return *this;
+    }
+
+    // Assignment operator taking a std::string
+    path& operator=(const std::string& p)
+    {
+        narrow_ = p;
+        wide_.clear();
+        is_wide_ = false;
+        return *this;
+    }
+
+    // Assignment operator taking a C-style string
+    path& operator=(const char* p)
+    {
+        narrow_.assign(p);
+        wide_.clear();
+        is_wide_ = false;
+        return *this;
+    }
+
+#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1400)
+    // Assignment operator taking a boost::filesystem2::path or
+    // boost::filesystem2::wpath
+    // (not on Visual C++ 7.1/8.0, as it seems to have problems with
+    // SFINAE functions with the same parameters, doesn't seem
+    // worth working around).
+    template<typename Path>
+    typename sfinae<typename Path::external_string_type, path&>::type
+    	operator=(const Path& p)
+    {
+        init(p.external_file_string());
+        return *this;
+    }
+#endif
+
+    // Assignment operator taking a boost::filesystem3::path
+    template<typename Path>
+    typename sfinae<typename Path::codecvt_type, path&>::type
+    	operator=(const Path& p)
+    {
+        init(p.native());
+        return *this;
+    }
+
+    bool is_wide() const { return is_wide_; }
+
+    // Returns a representation of the underlying path as a std::string
+    // Requires: is_wide() returns false
+    const char* c_str() const { return narrow_.c_str(); }
+
+    // Returns a representation of the underlying path as a std::wstring
+    // Requires: is_wide() returns true
+    const wchar_t* c_wstr() const { return wide_.c_str(); }
+private:
+    
+    // For wide-character paths, use a boost::filesystem::wpath instead of a
+    // std::wstring
+    path(const std::wstring&);
+    path& operator=(const std::wstring&);
+
+    void init(std::string const& file_path)
+    {
+        narrow_ = file_path;
+        wide_.clear();
+        is_wide_ = false;
+    }
+
+    void init(std::wstring const& file_path)
+    {
+        narrow_.clear();
+        wide_ = file_path;
+        is_wide_ = true;
+    }
+
+    std::string   narrow_;
+    std::wstring  wide_;
+    bool          is_wide_;
+};
+
+inline bool operator==(const path& lhs, const path& rhs)
+{
+    return lhs.is_wide() ?
+        rhs.is_wide() && std::wcscmp(lhs.c_wstr(), rhs.c_wstr()) == 0 :
+        !rhs.is_wide() && std::strcmp(lhs.c_str(), rhs.c_str()) == 0;
+}
+
+#else // #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS //---------------------------//
+
+class path {
+public:
+    path() { }
+    path(const std::string& p) : path_(p) { }
+    path(const char* p) : path_(p) { }
+    template<typename Path>
+        path(const Path& p) : path_(p.external_file_string()) { }
+    path(const path& p) : path_(p.path_) { }
+    path& operator=(const path& other) 
+    {
+        path_ = other.path_;
+        return *this;
+    }
+    path& operator=(const std::string& p) 
+    {
+        path_ = p;
+        return *this;
+    }
+    path& operator=(const char* p) 
+    {
+        path_ = p;
+        return *this;
+    }
+    template<typename Path>
+        path& operator=(const Path& p)
+        {
+            path_ = p.external_file_string();
+            return *this;
+        }
+    bool is_wide() const { return false; }
+    const char* c_str() const { return path_.c_str(); }
+    const wchar_t* c_wstr() const { return 0; }
+private:
+    std::string path_;
+};
+
+inline bool operator==(const path& lhs, const path& rhs)
+{
+    return std::strcmp(lhs.c_str(), rhs.c_str()) == 0 ;
+}
+
+#endif // #ifndef BOOST_IOSTREAMS_NO_WIDE_STREAMS //--------------------------//
+
+} } } // End namespaces detail, iostreams, boost.
+
+#endif // #ifndef BOOST_IOSTREAMS_DETAIL_PATH_HPP_INCLUDED