comparison DEPENDENCIES/generic/include/boost/uuid/uuid_io.hpp @ 16:2665513ce2d3

Add boost headers

+// Boost uuid_io.hpp header file  ----------------------------------------------//
+
+// Copyright 2009 Andy Tompkins.
+// 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)
+
+// Revision History
+//  20 Mar 2009 - Initial Revision
+//  28 Nov 2009 - disabled deprecated warnings for MSVC
+
+#ifndef BOOST_UUID_IO_HPP
+#define BOOST_UUID_IO_HPP
+
+#include <boost/uuid/uuid.hpp>
+#include <ios>
+#include <ostream>
+#include <istream>
+#include <boost/io/ios_state.hpp>
+#include <locale>
+#include <algorithm>
+
+#if defined(_MSC_VER)
+#pragma warning(push) // Save warning settings.
+#pragma warning(disable : 4996) // Disable deprecated std::ctype<char>::widen, std::copy
+#endif
+
+namespace boost {
+namespace uuids {
+
+template <typename ch, typename char_traits>
+    std::basic_ostream<ch, char_traits>& operator<<(std::basic_ostream<ch, char_traits> &os, uuid const& u)
+{
+    io::ios_flags_saver flags_saver(os);
+    io::basic_ios_fill_saver<ch, char_traits> fill_saver(os);
+
+    const typename std::basic_ostream<ch, char_traits>::sentry ok(os);
+    if (ok) {
+        const std::streamsize width = os.width(0);
+        const std::streamsize uuid_width = 36;
+        const std::ios_base::fmtflags flags = os.flags();
+        const typename std::basic_ios<ch, char_traits>::char_type fill = os.fill();
+        if (flags & (std::ios_base::right | std::ios_base::internal)) {
+            for (std::streamsize i=uuid_width; i<width; i++) {
+                os << fill;
+            }
+        }
+
+        os << std::hex;
+        os.fill(os.widen('0'));
+
+        std::size_t i=0;
+        for (uuid::const_iterator i_data = u.begin(); i_data!=u.end(); ++i_data, ++i) {
+            os.width(2);
+            os << static_cast<unsigned int>(*i_data);
+            if (i == 3 || i == 5 || i == 7 || i == 9) {
+                os << os.widen('-');
+            }
+        }
+        
+        if (flags & std::ios_base::left) {
+            for (std::streamsize i=uuid_width; i<width; i++) {
+                os << fill;
+            }
+        }
+        
+        os.width(0); //used the width so reset it
+    }
+    return os;
+}
+
+template <typename ch, typename char_traits>
+    std::basic_istream<ch, char_traits>& operator>>(std::basic_istream<ch, char_traits> &is, uuid &u)
+{
+    const typename std::basic_istream<ch, char_traits>::sentry ok(is);
+    if (ok) {
+        unsigned char data[16];
+
+        typedef std::ctype<ch> ctype_t;
+        ctype_t const& ctype = std::use_facet<ctype_t>(is.getloc());
+
+        ch xdigits[16];
+        {
+            char szdigits[] = "0123456789ABCDEF";
+            ctype.widen(szdigits, szdigits+16, xdigits);
+        }
+        ch*const xdigits_end = xdigits+16;
+
+        ch c;
+        for (std::size_t i=0; i<u.size() && is; ++i) {
+            is >> c;
+            c = ctype.toupper(c);
+
+            ch* f = std::find(xdigits, xdigits_end, c);
+            if (f == xdigits_end) {
+                is.setstate(std::ios_base::failbit);
+                break;
+            }
+
+            unsigned char byte = static_cast<unsigned char>(std::distance(&xdigits[0], f));
+
+            is >> c;
+            c = ctype.toupper(c);
+            f = std::find(xdigits, xdigits_end, c);
+            if (f == xdigits_end) {
+                is.setstate(std::ios_base::failbit);
+                break;
+            }
+
+            byte <<= 4;
+            byte |= static_cast<unsigned char>(std::distance(&xdigits[0], f));
+
+            data[i] = byte;
+
+            if (is) {
+                if (i == 3 || i == 5 || i == 7 || i == 9) {
+                    is >> c;
+                    if (c != is.widen('-')) is.setstate(std::ios_base::failbit);
+                }
+            }
+        }
+
+        if (is) {
+            std::copy(data, data+16, u.begin());
+        }
+    }
+    return is;
+}
+
+namespace detail {
+inline char to_char(size_t i) {
+    if (i <= 9) {
+        return static_cast<char>('0' + i);
+    } else {
+        return static_cast<char>('a' + (i-10));
+    }
+}
+
+inline wchar_t to_wchar(size_t i) {
+    if (i <= 9) {
+        return static_cast<wchar_t>(L'0' + i);
+    } else {
+        return static_cast<wchar_t>(L'a' + (i-10));
+    }
+}
+
+} // namespace detail
+
+inline std::string to_string(uuid const& u)
+{
+    std::string result;
+    result.reserve(36);
+
+    std::size_t i=0;
+    for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) {
+        const size_t hi = ((*it_data) >> 4) & 0x0F;
+        result += detail::to_char(hi);
+
+        const size_t lo = (*it_data) & 0x0F;
+        result += detail::to_char(lo);
+
+        if (i == 3 || i == 5 || i == 7 || i == 9) {
+            result += '-';
+        }
+    }
+    return result;
+}
+
+#ifndef BOOST_NO_STD_WSTRING
+inline std::wstring to_wstring(uuid const& u)
+{
+    std::wstring result;
+    result.reserve(36);
+
+    std::size_t i=0;
+    for (uuid::const_iterator it_data = u.begin(); it_data!=u.end(); ++it_data, ++i) {
+        const size_t hi = ((*it_data) >> 4) & 0x0F;
+        result += detail::to_wchar(hi);
+
+        const size_t lo = (*it_data) & 0x0F;
+        result += detail::to_wchar(lo);
+
+        if (i == 3 || i == 5 || i == 7 || i == 9) {
+            result += L'-';
+        }
+    }
+    return result;
+}
+
+#endif
+
+}} //namespace boost::uuids
+
+#if defined(_MSC_VER)
+#pragma warning(pop) // Restore warnings to previous state.
+#endif
+
+#endif // BOOST_UUID_IO_HPP