Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/src/boost/libs/spirit/example/karma/classify_char.cpp b/src/boost/libs/spirit/example/karma/classify_char.cpp
new file mode 100644
index 00000000..df113f33
--- /dev/null
+++ b/src/boost/libs/spirit/example/karma/classify_char.cpp
@@ -0,0 +1,103 @@
+//   Copyright (c) 2001-2010 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"
+                    |   "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;
+}
+
+