From: g0dil <g0dil@270642c3-0616-0410-b53a-bc976706d245>
Date: Fri, 13 Nov 2009 15:29:24 +0000 (+0000)
Subject: Utils/Console: Add CharAsString utility
X-Git-Url: http://g0dil.de/git?a=commitdiff_plain;h=ea5f02fb88dfab3932368bbafdc863b8ad585cc1;p=senf.git

Utils/Console: Add CharAsString utility

git-svn-id: https://svn.berlios.de/svnroot/repos/senf/trunk@1527 270642c3-0616-0410-b53a-bc976706d245
---

diff --git a/senf/Utils/Console/Traits.cti b/senf/Utils/Console/Traits.cti
index f6dd892..2d9c65a 100644
--- a/senf/Utils/Console/Traits.cti
+++ b/senf/Utils/Console/Traits.cti
@@ -106,7 +106,7 @@ parse(ParseCommandInfo::TokensRange const & tokens, CharT & out)
 template <class CharT>
 prefix_ std::string senf::console::detail::CharArgumentTraits<CharT>::description()
 {
-    return std::numeric_limits<CharT>::is_signed ? "byte" : "unsigned byte";
+    return std::numeric_limits<CharT>::is_signed ? "byte" : "ubyte";
 }
 
 ///////////////////////////////cti.e///////////////////////////////////////
diff --git a/senf/Utils/Console/Utility.ct b/senf/Utils/Console/Utility.ct
index 2f12892..747a6be 100644
--- a/senf/Utils/Console/Utility.ct
+++ b/senf/Utils/Console/Utility.ct
@@ -27,12 +27,49 @@
 
 // Custom includes
 #include <sstream>
+#include <limits>
 #include <boost/format.hpp>
+#include "Traits.hh"
 
 #define prefix_
 ///////////////////////////////ct.p////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////
+// senf::console::ArgumentTraits< CharAsString<CharT> >
+
+template <class CharT>
+prefix_ void senf::console::ArgumentTraits< senf::console::CharAsString<CharT> >::
+parse(ParseCommandInfo::TokensRange const & tokens, CharAsString<CharT> & out)
+{
+    std::string v;
+    senf::console::parse(tokens,v);
+    if (v.size() != 1)
+        throw SyntaxErrorException("Invalid size of character constant");
+    out.value = static_cast<CharT>(v[0]);
+}
+
+template <class CharT>
+prefix_ std::string
+senf::console::ArgumentTraits< senf::console::CharAsString<CharT> >::description()
+{
+    return std::numeric_limits<CharT>::is_signed ? "char" : "uchar";
+}
+
+template <class CharT>
+prefix_ std::string senf::console::ArgumentTraits< senf::console::CharAsString<CharT> >::
+str(CharAsString<CharT> value)
+{
+    return senf::console::str(std::string(1,value.value));
+}
+
+template <class CharT>
+prefix_ void senf::console::ReturnValueTraits< senf::console::CharAsString<CharT> >::
+format(CharAsString<CharT> value, std::ostream & os)
+{
+    return senf::console::format(std::string(1,value.value),os);
+}
+
+///////////////////////////////////////////////////////////////////////////
 // senf::console::ArgumentTraits< senf::console::ValueRange<T> >
 
 template <class T>
diff --git a/senf/Utils/Console/Utility.cti b/senf/Utils/Console/Utility.cti
new file mode 100644
index 0000000..52fedd1
--- /dev/null
+++ b/senf/Utils/Console/Utility.cti
@@ -0,0 +1,62 @@
+// $Id$
+//
+// Copyright (C) 2009 
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+/** \file
+    \brief Utility inline template implementation */
+
+//#include "Utility.ih"
+
+// Custom includes
+
+#define prefix_ inline
+///////////////////////////////cti.p///////////////////////////////////////
+
+template <class CharT>
+prefix_ senf::console::CharAsString<CharT>::CharAsString()
+    : value ()
+{}
+
+template <class CharT>
+prefix_ senf::console::CharAsString<CharT>::CharAsString(CharT value_)
+    : value (value_)
+{}
+
+template <class CharT>
+prefix_ senf::console::CharAsString<CharT>::operator CharT ()
+    const
+{
+    return value;
+}
+
+///////////////////////////////cti.e///////////////////////////////////////
+#undef prefix_
+
+
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// comment-column: 40
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// End:
diff --git a/senf/Utils/Console/Utility.hh b/senf/Utils/Console/Utility.hh
index 6ccc579..5c2b263 100644
--- a/senf/Utils/Console/Utility.hh
+++ b/senf/Utils/Console/Utility.hh
@@ -36,6 +36,38 @@
 namespace senf {
 namespace console {
 
+    template <class CharT>
+    struct CharAsString
+    {
+        CharAsString();
+        CharAsString(CharT value_);
+        operator CharT () const;
+        CharT value;
+    };    
+
+#ifndef DOXYGEN
+
+    template <class CharT>
+    struct ArgumentTraits< CharAsString<CharT> >
+    {
+        typedef CharAsString<CharT> type;
+        static bool const singleToken = true;
+        
+        static void parse(ParseCommandInfo::TokensRange const & tokens, CharAsString<CharT> & out);
+        static std::string description();
+        static std::string str(CharAsString<CharT> value);
+    };
+
+    template <class CharT>
+    struct ReturnValueTraits< CharAsString<CharT> >
+    {
+        typedef CharAsString<CharT> type;
+        
+        static void format(CharAsString<CharT> value, std::ostream & os);
+    };
+
+#endif
+
     /** \brief Value range
         
         A value range may be represented in the console either by a single value (setting both \a
@@ -147,7 +179,7 @@ namespace console {
 ///////////////////////////////hh.e////////////////////////////////////////
 //#include "Utility.cci"
 #include "Utility.ct"
-//#include "Utility.cti"
+#include "Utility.cti"
 #endif
 
 
diff --git a/senf/Utils/Console/Utility.test.cc b/senf/Utils/Console/Utility.test.cc
index f5ff939..2ec5ab7 100644
--- a/senf/Utils/Console/Utility.test.cc
+++ b/senf/Utils/Console/Utility.test.cc
@@ -42,6 +42,8 @@
 
 namespace {
 
+    char charTest(char value) { return value; }
+
     enum TestEnum { Foo=1, Bar=2, FooBar=4 };
     SENF_CONSOLE_REGISTER_ENUM( TestEnum, (Foo)(Bar)(FooBar) );
 
@@ -50,6 +52,24 @@ namespace {
 
 }
 
+BOOST_AUTO_UNIT_TEST(charAsString)
+{
+    senf::console::Executor executor;
+    senf::console::CommandParser parser;
+    senf::console::ScopedDirectory<> dir;
+    senf::console::root().add("test", dir);
+    std::stringstream ss;
+
+    dir.add("test", boost::function<
+            senf::console::CharAsString<char> (senf::console::CharAsString<char>)>(&charTest));
+
+    ss.str("");
+    SENF_CHECK_NO_THROW(
+        parser.parse("test/test \"\\x01\"",
+                     boost::bind<void>( boost::ref(executor), boost::ref(ss), _1 )) );
+    BOOST_CHECK_EQUAL( ss.str(), "\x01\n" );
+}
+
 BOOST_AUTO_UNIT_TEST(flagCollection)
 {
     senf::console::Executor executor;