[Boost-commit] svn:boost r72767 - sandbox/conversion/libs/conversion_ext/example

Subject: [Boost-commit] svn:boost r72767 - sandbox/conversion/libs/conversion_ext/example
From: vicente.botet_at_[hidden]
Date: 2011-06-26 15:49:26

Author: viboes
Date: 2011-06-26 15:49:25 EDT (Sun, 26 Jun 2011)
New Revision: 72767
URL: http://svn.boost.org/trac/boost/changeset/72767

Log:
Conversion: warning removal
Added:
   sandbox/conversion/libs/conversion_ext/example/formatted.cpp   (contents, props changed)
Text files modified: 
   sandbox/conversion/libs/conversion_ext/example/fallback.cpp |     1 +                                       
   sandbox/conversion/libs/conversion_ext/example/no_throw.cpp |     2 --                                      
   2 files changed, 1 insertions(+), 2 deletions(-)

Modified: sandbox/conversion/libs/conversion_ext/example/fallback.cpp
==============================================================================
--- sandbox/conversion/libs/conversion_ext/example/fallback.cpp	(original)
+++ sandbox/conversion/libs/conversion_ext/example/fallback.cpp	2011-06-26 15:49:25 EDT (Sun, 26 Jun 2011)
@@ -30,6 +30,7 @@
   //[FALLBACK_CPP_CONVERT_TO_OR_FALLBACK
   int t = convert_to_or_fallback<int>(str,-1);
   //]
+  (void)t;// remove warning: unused variable
 }
 
 int main()

Added: sandbox/conversion/libs/conversion_ext/example/formatted.cpp
==============================================================================
--- (empty file)
+++ sandbox/conversion/libs/conversion_ext/example/formatted.cpp	2011-06-26 15:49:25 EDT (Sun, 26 Jun 2011)
@@ -0,0 +1,66 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Vicente J. Botet Escriba 2008-2009. 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/synchro for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+//[EVEN_CPP
+
+    #include <boost/conversion/extractor.hpp>
+    #include <boost/conversion/std/string.hpp>
+    #include <boost/conversion/convert_to_or_fallback.hpp>
+    #include <strstream>
+    #include <iostream>
+    #include <string>
+    #include <iomanip>
+    #include <boost/assert.hpp>
+    using namespace boost::conversion;
+
+    int main()
+    {
+      std::string    hex_str = "FF"; // 255 in decimal
+      std::stringstream ios;
+
+      // This call fails
+      int   bad = convert_to_or_fallback<int>(hex_str, -1);
+      BOOST_ASSERT(bad == -1); // Failed decimal conversion from "FF"
+
+      // Apply hex formatting while converting from string
+      int i = convert_to<int>(extractor<int>(
+          (ios.clear(), ios << hex_str, ios >> std::hex)));
+      BOOST_ASSERT(i == 255); // Successful hex conversion from "FF"
+
+      // Apply hex formatting while converting from string
+
+      int ii = convert_to<int>(extractor_stream<int>() << hex_str >> std::hex >> extract);
+      BOOST_ASSERT(ii == 255); // Successful hex conversion from "FF"
+
+      int iii = convert_to<int>(extractor_stream<int>() << hex_str >> std::hex);
+      BOOST_ASSERT(iii == 255); // Successful hex conversion from "FF"
+
+#if 0
+      // Apply hex, uppercase, showbase formatting while converting to string
+      std::string si = convert_to<std::string>(extractor<std::string>(
+          (ios.clear(), ios << std::showbase << std::uppercase << std::hex << i, ios)));
+      BOOST_ASSERT(si == "0XFF");
+
+      {
+      std::string double_str = "1.2345e-02";
+      std::stringstream ios;
+      double d = convert_to<double>(extractor<double>(
+          (ios.clear(), ios << double_str, ios >> std::setprecision(4) >> std::scientific)));
+
+      std::string sd= convert_to<std::string>(extractor<std::string>(
+           (ios.clear(), ios << std::setprecision(4) << std::scientific << d, ios)));
+
+      BOOST_ASSERT(sd == double_str);
+      }
+#endif
+      return 0;
+    }
+
+//]

Modified: sandbox/conversion/libs/conversion_ext/example/no_throw.cpp
==============================================================================
--- sandbox/conversion/libs/conversion_ext/example/no_throw.cpp	(original)
+++ sandbox/conversion/libs/conversion_ext/example/no_throw.cpp	2011-06-26 15:49:25 EDT (Sun, 26 Jun 2011)
@@ -32,7 +32,6 @@
 void try_convert_to_way()
 {
   std::string str="not an int";
-  int t;
   //[NO_THROW_CPP_TRY_CONVERT_WAY
   optional<int> optt =  try_convert_to<int>(str);
   if (!optt)
@@ -45,7 +44,6 @@
 void convert_to_optional_way()
 {
   std::string str="not an int";
-  int t;
   //[NO_THROW_CPP_TRY_CONVERT_TO_OPT_WAY
   optional<int> optt =  convert_to<optional<int> >(str);
   if (!optt)