[Boost-commit] svn:boost r54904 - trunk/libs/spirit/example/support

Subject: [Boost-commit] svn:boost r54904 - trunk/libs/spirit/example/support
From: hartmut.kaiser_at_[hidden]
Date: 2009-07-11 23:27:44

Author: hkaiser
Date: 2009-07-11 23:27:42 EDT (Sat, 11 Jul 2009)
New Revision: 54904
URL: http://svn.boost.org/trac/boost/changeset/54904

Log:
Spirit: added multi_pass example
Added:
   trunk/libs/spirit/example/support/
   trunk/libs/spirit/example/support/CMakeLists.txt   (contents, props changed)
   trunk/libs/spirit/example/support/Jamfile   (contents, props changed)
   trunk/libs/spirit/example/support/multi_pass.cpp   (contents, props changed)
   trunk/libs/spirit/example/support/multi_pass.txt   (contents, props changed)

Added: trunk/libs/spirit/example/support/CMakeLists.txt
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/example/support/CMakeLists.txt	2009-07-11 23:27:42 EDT (Sat, 11 Jul 2009)
@@ -0,0 +1,15 @@
+#==============================================================================
+#   Copyright (c) 2001-2009 Joel de Guzman
+#   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-support-example
+#     : requirements <toolset>gcc:<c++-template-depth>300
+#     :
+#     :
+#     ;
+
+boost_add_executable(multi_pass.cpp)

Added: trunk/libs/spirit/example/support/Jamfile
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/example/support/Jamfile	2009-07-11 23:27:42 EDT (Sat, 11 Jul 2009)
@@ -0,0 +1,14 @@
+#==============================================================================
+#   Copyright (c) 2001-2009 Joel de Guzman
+#   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)
+#==============================================================================
+project spirit-support-example
+    : requirements <toolset>gcc:<c++-template-depth>300
+    :
+    :
+    ;
+
+exe multi_pass : multi_pass.cpp ;

Added: trunk/libs/spirit/example/support/multi_pass.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/example/support/multi_pass.cpp	2009-07-11 23:27:42 EDT (Sat, 11 Jul 2009)
@@ -0,0 +1,50 @@
+//  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)
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+
+#include <boost/spirit/include/qi.hpp>
+#include <boost/spirit/include/support_multi_pass.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////
+//[tutorial_multi_pass
+int main()
+{
+    namespace spirit = boost::spirit;
+    using spirit::ascii::space;
+    using spirit::ascii::char_;
+    using spirit::qi::double_;
+    using spirit::qi::eol;
+
+    std::ifstream in("multi_pass.txt");    // we get our input from this file
+    if (!in.is_open()) {
+        std::cout << "Could not open input file: 'multi_pass.txt'" << std::endl;
+        return -1;
+    }
+
+    typedef std::istreambuf_iterator<char> base_iterator_type;
+    spirit::multi_pass<base_iterator_type> first = 
+        spirit::make_default_multi_pass(base_iterator_type(in));
+
+    std::vector<double> v;
+    bool result = spirit::qi::phrase_parse(first
+      , spirit::make_default_multi_pass(base_iterator_type())
+      , double_ >> *(',' >> double_)              // recognize list of doubles
+      , space | '#' >> *(char_ - eol) >> eol      // comment skipper
+      , v);                                       // data read from file
+
+    if (!result) {
+        std::cout << "Failed parsing input file!" << std::endl;
+        return -2;
+    }
+
+    std::cout << "Successfully parsed input file!" << std::endl;
+    return 0;
+}
+//]

Added: trunk/libs/spirit/example/support/multi_pass.txt
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/example/support/multi_pass.txt	2009-07-11 23:27:42 EDT (Sat, 11 Jul 2009)
@@ -0,0 +1,6 @@
+#  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)
+
+1.0,2.0,3.0