[Boost-commit] svn:boost r55546 - trunk/libs/spirit/example/karma

Subject: [Boost-commit] svn:boost r55546 - trunk/libs/spirit/example/karma
From: hartmut.kaiser_at_[hidden]
Date: 2009-08-12 09:40:53

Author: hkaiser
Date: 2009-08-12 09:40:48 EDT (Wed, 12 Aug 2009)
New Revision: 55546
URL: http://svn.boost.org/trac/boost/changeset/55546

Log:
Spirit: added the Karma example classify_char
Added:
   trunk/libs/spirit/example/karma/classify_char.cpp   (contents, props changed)
Text files modified: 
   trunk/libs/spirit/example/karma/CMakeLists.txt |    11 ++++++-----                             
   trunk/libs/spirit/example/karma/Jamfile        |    25 ++++++++++++-------------               
   2 files changed, 18 insertions(+), 18 deletions(-)

Modified: trunk/libs/spirit/example/karma/CMakeLists.txt
==============================================================================
--- trunk/libs/spirit/example/karma/CMakeLists.txt	(original)
+++ trunk/libs/spirit/example/karma/CMakeLists.txt	2009-08-12 09:40:48 EDT (Wed, 12 Aug 2009)
@@ -1,21 +1,22 @@
 #==============================================================================
-#   Copyright (c) 2001-2009 Joel de Guzman
 #   Copyright (c) 2001-2009 Hartmut Kaiser
+#   Copyright (c) 2001-2009 Joel de Guzman
 #
 #   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)
 #==============================================================================
 
-boost_add_executable(quick_start1)
-boost_add_executable(karma_num_list1 num_list1.cpp)
-boost_add_executable(karma_complex_number complex_number.cpp)
 boost_add_executable(actions)
 boost_add_executable(basic_facilities DEPENDS boost_date_time)
 boost_add_executable(calc2_ast_dump)
 boost_add_executable(calc2_ast_rpn)
 boost_add_executable(calc2_ast_vm)
-boost_add_executable(mini_xml_karma)
+boost_add_executable(classify_char)
+boost_add_executable(karma_num_list1 num_list1.cpp)
+boost_add_executable(karma_complex_number complex_number.cpp)
 boost_add_executable(key_value_sequence)
+boost_add_executable(mini_xml_karma)
+boost_add_executable(quick_start1)
 
 
 

Modified: trunk/libs/spirit/example/karma/Jamfile
==============================================================================
--- trunk/libs/spirit/example/karma/Jamfile	(original)
+++ trunk/libs/spirit/example/karma/Jamfile	2009-08-12 09:40:48 EDT (Wed, 12 Aug 2009)
@@ -1,23 +1,22 @@
 #==============================================================================
-#   Copyright (c) 2001-2009 Joel de Guzman
 #   Copyright (c) 2001-2009 Hartmut Kaiser
+#   Copyright (c) 2001-2009 Joel de Guzman
 #
 #   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)
 #==============================================================================
 project spirit-karma-example ;
 
-exe quick_start1       : quick_start1.cpp ;
-exe num_list1          : num_list1.cpp ;
-exe complex_number     : complex_number.cpp ;
-exe actions_example    : actions.cpp ;
-exe basic_facilities   : basic_facilities.cpp /boost//date_time ;
-exe calc2_ast_dump     : calc2_ast_dump.cpp ;
-exe calc2_ast_rpn      : calc2_ast_rpn.cpp ;
-exe calc2_ast_vm       : calc2_ast_vm.cpp ;
-exe mini_xml_karma     : mini_xml_karma.cpp ;
-exe key_value_sequence : key_value_sequence.cpp ;
+exe actions_example       : actions.cpp ;
+exe basic_facilities      : basic_facilities.cpp /boost//date_time ;
+exe calc2_ast_dump        : calc2_ast_dump.cpp ;
+exe calc2_ast_rpn         : calc2_ast_rpn.cpp ;
+exe calc2_ast_vm          : calc2_ast_vm.cpp ;
+exe classify_char         : classify_char.cpp ;
+exe karma_complex_number  : complex_number.cpp ;
+exe karma_num_list1       : num_list1.cpp ;
+exe key_value_sequence    : key_value_sequence.cpp ;
+exe mini_xml_karma        : mini_xml_karma.cpp ;
+exe quick_start1          : quick_start1.cpp ;
 
-# not ported yet:
-# exe functor_facilities : functor_facilities.cpp ;
 

Added: trunk/libs/spirit/example/karma/classify_char.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/example/karma/classify_char.cpp	2009-08-12 09:40:48 EDT (Wed, 12 Aug 2009)
@@ -0,0 +1,103 @@
+//   Copyright (c) 2001-2009 Hartmut Kaiser
+// 
+//   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)
+
+///////////////////////////////////////////////////////////////////////////////
+//
+//  A character classification example
+//
+//  [ HK August 12, 2009 ]  spirit2
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include <boost/config/warning_disable.hpp>
+#include <boost/spirit/include/qi.hpp>
+#include <boost/spirit/include/karma.hpp>
+#include <boost/spirit/include/phoenix_core.hpp>
+#include <boost/spirit/include/phoenix_operator.hpp>
+#include <boost/fusion/include/std_pair.hpp>
+
+#include <iostream>
+#include <string>
+#include <complex>
+
+namespace client
+{
+    ///////////////////////////////////////////////////////////////////////////
+    //  Our character classification generator
+    ///////////////////////////////////////////////////////////////////////////
+    //[tutorial_karma_complex_number
+    template <typename OutputIterator>
+    bool classify_character(OutputIterator sink, char c)
+    {
+        using boost::spirit::ascii::char_;
+        using boost::spirit::ascii::digit;
+        using boost::spirit::ascii::xdigit;
+        using boost::spirit::ascii::alpha;
+        using boost::spirit::ascii::punct;
+        using boost::spirit::ascii::space;
+        using boost::spirit::ascii::cntrl;
+        using boost::spirit::karma::omit;
+        using boost::spirit::karma::generate;
+
+        if (!boost::spirit::char_encoding::ascii::isascii_(c))
+            return false;
+
+        return generate(sink,
+            //  Begin grammar
+            (
+                "The character '" << char_ << "' is "
+                <<  (   &digit  << "a digit"
+                    |   &xdigit << "a xdigit"
+                    |   &alpha  << "a alpha"
+                    |   &punct  << "a punct"
+                    |   &space  << "a space"
+                    |   &cntrl  << "a cntrl"
+                    |   omit[char_] << "of unknown type"
+                    )
+            ),
+            //  End grammar
+            c, c
+        );
+    }
+    //]
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//  Main program
+///////////////////////////////////////////////////////////////////////////////
+int main()
+{
+    std::cout << "/////////////////////////////////////////////////////////\n\n";
+    std::cout << "\t\tA character classification micro generator for Spirit...\n\n";
+    std::cout << "/////////////////////////////////////////////////////////\n\n";
+
+    std::cout << "Give me a character to classify\n";
+    std::cout << "Type [q or Q] to quit\n\n";
+
+    std::string str;
+    while (getline(std::cin, str))
+    {
+        if (str.empty())
+            break;
+
+        std::string generated;
+        std::back_insert_iterator<std::string> sink(generated);
+        if (!client::classify_character(sink, str[0]))
+        {
+            std::cout << "-------------------------\n";
+            std::cout << "Generating failed\n";
+            std::cout << "-------------------------\n";
+        }
+        else
+        {
+            std::cout << generated << "\n";
+        }
+    }
+
+    std::cout << "Bye... :-) \n\n";
+    return 0;
+}
+
+