[Boost-commit] svn:boost r63074 - branches/filesystem3/boost/io

Subject: [Boost-commit] svn:boost r63074 - branches/filesystem3/boost/io
From: bdawes_at_[hidden]
Date: 2010-06-17 20:59:41

Author: bemandawes
Date: 2010-06-17 20:59:40 EDT (Thu, 17 Jun 2010)
New Revision: 63074
URL: http://svn.boost.org/trac/boost/changeset/63074

Log:
Accept a number of Eric Niebler's suggestions, including renaming.
Added:
   branches/filesystem3/boost/io/quoted_manip.hpp
      - copied, changed from r63042, /branches/filesystem3/boost/io/quote_manip.hpp
Removed:
   branches/filesystem3/boost/io/quote_manip.hpp
Text files modified: 
   branches/filesystem3/boost/io/quoted_manip.hpp |   117 ++++++++++++++++----------------------- 
   1 files changed, 48 insertions(+), 69 deletions(-)

Deleted: branches/filesystem3/boost/io/quote_manip.hpp
==============================================================================
--- branches/filesystem3/boost/io/quote_manip.hpp	2010-06-17 20:59:40 EDT (Thu, 17 Jun 2010)
+++ (empty file)
@@ -1,179 +0,0 @@
-//  Copyright Beman Dawes 2010
-
-//  Distributed under the Boost Software License, Version 1.0.
-//  See http://www.boost.org/LICENSE_1_0.txt
-
-//--------------------------------------------------------------------------------------// 
-
-#ifndef BOOST_QUOTE_MANIP
-#define BOOST_QUOTE_MANIP
-
-#include <istream>
-#include <ostream>
-#include <string>
-#include <boost/io/ios_state.hpp>
-
-namespace boost
-{
-  namespace io
-  {
-    namespace detail { // forward declare the helpers
-      template <class Char, class Traits, class Alloc> struct quote_proxy;
-      template <class Char> struct c_str_quote_proxy;
-      template <class Char, class Traits, class Alloc> struct unquote_proxy;
-    }
-
-    //  ------------  public interface  ------------------------------------------------//
-
-    template <class Char, class Traits, class Alloc>
-      detail::quote_proxy<Char, Traits, Alloc>
-        quote(const std::basic_string<Char, Traits, Alloc>& s,
-              Char escape='\\', Char delim='\"');
-
-    template <class Char>
-      detail::c_str_quote_proxy<Char>
-        quote(const Char* s, Char escape='\\', Char delim='\"');
-
-    template <class Char, class Traits, class Alloc>
-      detail::unquote_proxy<Char, Traits, Alloc>
-        unquote(std::basic_string<Char, Traits, Alloc>& s,
-                Char escape='\\', Char delim='\"');
-
-    //  -----------  implementation details  -------------------------------------------//
-
-    namespace detail
-    {
-      //  string inserter helpers
-
-      template <class Char, class Traits, class Alloc>
-      struct quote_proxy
-      {
-        const std::basic_string<Char, Traits, Alloc>& s;
-        Char escape;
-        Char delim;
-
-        quote_proxy(const std::basic_string<Char, Traits, Alloc>& s_,
-          Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
-      };
-
-      template <class Char, class Traits, class Alloc>
-      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
-        quote_proxy<Char, Traits, Alloc>& proxy)
-      {
-        os << proxy.delim;
-        std::basic_string<Char, Traits, Alloc>::const_iterator end_it = proxy.s.end();
-        for (std::basic_string<Char, Traits, Alloc>::const_iterator it = proxy.s.begin();
-          it != end_it;
-          ++it )
-        {
-          if (*it == proxy.delim || *it == proxy.escape)
-            os << proxy.escape;
-          os << *it;
-        }
-        os << proxy.delim;
-        return os;
-      }
-
-      //  c_str inserter helpers
-
-      template <class Char>
-      struct c_str_quote_proxy
-      {
-        const Char* s;
-        Char escape;
-        Char delim;
-
-        c_str_quote_proxy(const Char* s_, Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
-      };
-
-      template <class Char, class Traits>
-      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
-        c_str_quote_proxy<Char>& proxy)
-      {
-        os << proxy.delim;
-        for (const Char* it = proxy.s;
-          *it;
-          ++it )
-        {
-          if (*it == proxy.delim || *it == proxy.escape)
-            os << proxy.escape;
-          os << *it;
-        }
-        os << proxy.delim;
-        return os;
-      }
-
-      //  string extractor helpers
-
-      template <class Char, class Traits, class Alloc>
-      struct unquote_proxy
-      {
-        std::basic_string<Char, Traits, Alloc>& s;
-        Char escape;
-        Char delim;
-
-        unquote_proxy(std::basic_string<Char, Traits, Alloc>& s_,
-          Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
-      };
-
-      template <class Char, class Traits, class Alloc>
-      std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, 
-        unquote_proxy<Char, Traits, Alloc>& proxy)
-      {
-        Char c;
-        is >> c;
-        if (c != proxy.delim)
-        {
-          proxy.s = c;
-          is >> proxy.s;
-          return is;
-        }
-        proxy.s.clear();
-        {
-          boost::io::ios_flags_saver ifs(is);
-          is >> std::noskipws;
-          for (;;)
-          {
-            is >> c;
-            if (c == proxy.escape)
-              is >> c;
-            else if (c == proxy.delim)
-              break;
-            proxy.s += c;
-          }
-        }
-        return is;
-      }
-
-    }  // namespace detail
-
-    //  manipulator implementations
-
-    template <class Char, class Traits, class Alloc>
-    inline detail::quote_proxy<Char, Traits, Alloc>
-      quote(const std::basic_string<Char, Traits, Alloc>& s,  Char escape, Char delim)
-    {
-      return detail::quote_proxy<Char, Traits, Alloc>(s, escape, delim);
-    }
-
-    template <class Char>
-    inline detail::c_str_quote_proxy<Char>
-      quote(const Char* s,  Char escape, Char delim)
-    {
-      return detail::c_str_quote_proxy<Char>(s, escape, delim);
-    }
-
-    template <class Char, class Traits, class Alloc>
-    inline detail::unquote_proxy<Char, Traits, Alloc>
-      unquote(std::basic_string<Char, Traits, Alloc>& s,  Char escape, Char delim)
-    {
-      return detail::unquote_proxy<Char, Traits, Alloc>(s, escape, delim);
-    }
-
-  }  // namespace io
-}  // namespace boost
-
-#endif // BOOST_QUOTE_MANIP

Copied: branches/filesystem3/boost/io/quoted_manip.hpp (from r63042, /branches/filesystem3/boost/io/quote_manip.hpp)
==============================================================================
--- /branches/filesystem3/boost/io/quote_manip.hpp	(original)
+++ branches/filesystem3/boost/io/quoted_manip.hpp	2010-06-17 20:59:40 EDT (Thu, 17 Jun 2010)
@@ -8,8 +8,7 @@
 #ifndef BOOST_QUOTE_MANIP
 #define BOOST_QUOTE_MANIP
 
-#include <istream>
-#include <ostream>
+#include <iosfwd>
 #include <string>
 #include <boost/io/ios_state.hpp>
 
@@ -17,53 +16,47 @@
 {
   namespace io
   {
-    namespace detail { // forward declare the helpers
-      template <class Char, class Traits, class Alloc> struct quote_proxy;
-      template <class Char> struct c_str_quote_proxy;
-      template <class Char, class Traits, class Alloc> struct unquote_proxy;
-    }
+    namespace detail { template <class String, class Char> struct quoted_proxy; }
 
     //  ------------  public interface  ------------------------------------------------//
 
     template <class Char, class Traits, class Alloc>
-      detail::quote_proxy<Char, Traits, Alloc>
-        quote(const std::basic_string<Char, Traits, Alloc>& s,
-              Char escape='\\', Char delim='\"');
+      detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+        quoted(const std::basic_string<Char, Traits, Alloc>& s,
+               Char escape='\\', Char delim='\"');
 
     template <class Char>
-      detail::c_str_quote_proxy<Char>
-        quote(const Char* s, Char escape='\\', Char delim='\"');
+      detail::quoted_proxy<const Char*, Char>
+        quoted(const Char* s, Char escape='\\', Char delim='\"');
 
     template <class Char, class Traits, class Alloc>
-      detail::unquote_proxy<Char, Traits, Alloc>
-        unquote(std::basic_string<Char, Traits, Alloc>& s,
-                Char escape='\\', Char delim='\"');
+      detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> &, Char>
+        quoted(std::basic_string<Char, Traits, Alloc>& s,
+               Char escape='\\', Char delim='\"');
 
     //  -----------  implementation details  -------------------------------------------//
 
     namespace detail
     {
-      //  string inserter helpers
 
-      template <class Char, class Traits, class Alloc>
-      struct quote_proxy
+      template <class String, class Char>
+      struct quoted_proxy
       {
-        const std::basic_string<Char, Traits, Alloc>& s;
-        Char escape;
-        Char delim;
-
-        quote_proxy(const std::basic_string<Char, Traits, Alloc>& s_,
-          Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
+        String  string;
+        Char    escape;
+        Char    delim;
+
+        quoted_proxy(String s_, Char escape_, Char delim_)
+          : string(s_), escape(escape_), delim(delim_) {}
       };
 
       template <class Char, class Traits, class Alloc>
       std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
-        quote_proxy<Char, Traits, Alloc>& proxy)
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>& proxy)
       {
         os << proxy.delim;
-        std::basic_string<Char, Traits, Alloc>::const_iterator end_it = proxy.s.end();
-        for (std::basic_string<Char, Traits, Alloc>::const_iterator it = proxy.s.begin();
+        std::basic_string<Char, Traits, Alloc>::const_iterator end_it = proxy.string.end();
+        for (std::basic_string<Char, Traits, Alloc>::const_iterator it = proxy.string.begin();
           it != end_it;
           ++it )
         {
@@ -75,25 +68,22 @@
         return os;
       }
 
-      //  c_str inserter helpers
-
-      template <class Char>
-      struct c_str_quote_proxy
+      template <class Char, class Traits, class Alloc>
+      inline
+      std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>& proxy)
       {
-        const Char* s;
-        Char escape;
-        Char delim;
-
-        c_str_quote_proxy(const Char* s_, Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
-      };
+        return os <<
+          *reinterpret_cast<const quoted_proxy<std::basic_string
+            <Char, Traits, Alloc> const &, Char>*>(&proxy);
+      }
 
       template <class Char, class Traits>
       std::basic_ostream<Char, Traits>& operator<<(std::basic_ostream<Char, Traits>& os, 
-        c_str_quote_proxy<Char>& proxy)
+        const quoted_proxy<const Char*, Char>& proxy)
       {
         os << proxy.delim;
-        for (const Char* it = proxy.s;
+        for (const Char* it = proxy.string;
           *it;
           ++it )
         {
@@ -105,33 +95,19 @@
         return os;
       }
 
-      //  string extractor helpers
-
-      template <class Char, class Traits, class Alloc>
-      struct unquote_proxy
-      {
-        std::basic_string<Char, Traits, Alloc>& s;
-        Char escape;
-        Char delim;
-
-        unquote_proxy(std::basic_string<Char, Traits, Alloc>& s_,
-          Char escape_, Char delim_)
-          : s(s_), escape(escape_), delim(delim_) {}
-      };
-
       template <class Char, class Traits, class Alloc>
       std::basic_istream<Char, Traits>& operator>>(std::basic_istream<Char, Traits>& is, 
-        unquote_proxy<Char, Traits, Alloc>& proxy)
+        const quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>& proxy)
       {
         Char c;
         is >> c;
         if (c != proxy.delim)
         {
-          proxy.s = c;
-          is >> proxy.s;
+          proxy.string = c;
+          is >> proxy.string;
           return is;
         }
-        proxy.s.clear();
+        proxy.string.clear();
         {
           boost::io::ios_flags_saver ifs(is);
           is >> std::noskipws;
@@ -142,7 +118,7 @@
               is >> c;
             else if (c == proxy.delim)
               break;
-            proxy.s += c;
+            proxy.string += c;
           }
         }
         return is;
@@ -153,24 +129,27 @@
     //  manipulator implementations
 
     template <class Char, class Traits, class Alloc>
-    inline detail::quote_proxy<Char, Traits, Alloc>
-      quote(const std::basic_string<Char, Traits, Alloc>& s,  Char escape, Char delim)
+    inline detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+    quoted(const std::basic_string<Char, Traits, Alloc>& s, Char escape, Char delim)
     {
-      return detail::quote_proxy<Char, Traits, Alloc>(s, escape, delim);
+      return detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> const &, Char>
+        (s, escape, delim);
     }
 
     template <class Char>
-    inline detail::c_str_quote_proxy<Char>
-      quote(const Char* s,  Char escape, Char delim)
+    inline detail::quoted_proxy<const Char*, Char>
+    quoted(const Char* s, Char escape, Char delim)
     {
-      return detail::c_str_quote_proxy<Char>(s, escape, delim);
+      return detail::quoted_proxy<const Char*, Char> (s, escape, delim);
     }
 
+
     template <class Char, class Traits, class Alloc>
-    inline detail::unquote_proxy<Char, Traits, Alloc>
-      unquote(std::basic_string<Char, Traits, Alloc>& s,  Char escape, Char delim)
+    inline detail::quoted_proxy<std::basic_string<Char, Traits, Alloc> &, Char>
+    quoted(std::basic_string<Char, Traits, Alloc>& s, Char escape, Char delim)
     {
-      return detail::unquote_proxy<Char, Traits, Alloc>(s, escape, delim);
+      return detail::quoted_proxy<std::basic_string<Char, Traits, Alloc>&, Char>
+        (s, escape, delim);
     }
 
   }  // namespace io