[Boost-commit] svn:boost r60154 - in trunk/libs/spirit/test: . support

Subject: [Boost-commit] svn:boost r60154 - in trunk/libs/spirit/test: . support
From: hartmut.kaiser_at_[hidden]
Date: 2010-03-04 13:58:28

Author: hkaiser
Date: 2010-03-04 13:58:28 EST (Thu, 04 Mar 2010)
New Revision: 60154
URL: http://svn.boost.org/trac/boost/changeset/60154

Log:
Spirit: Fixed return value for expect parser if exceptions are not enabled.
Added:
   trunk/libs/spirit/test/support/multi_pass_regression003.cpp   (contents, props changed)
Text files modified: 
   trunk/libs/spirit/test/Jamfile |     1 +                                       
   1 files changed, 1 insertions(+), 0 deletions(-)

Modified: trunk/libs/spirit/test/Jamfile
==============================================================================
--- trunk/libs/spirit/test/Jamfile	(original)
+++ trunk/libs/spirit/test/Jamfile	2010-03-04 13:58:28 EST (Thu, 04 Mar 2010)
@@ -143,6 +143,7 @@
     # support tests
     [ compile support/multi_pass_regression001.cpp : : support_multi_pass_regression001 ]
     [ compile support/multi_pass_regression002.cpp : : support_multi_pass_regression002 ]
+    [ compile support/multi_pass_regression003.cpp : : support_multi_pass_regression003 ]
     
 
     # regression tests

Added: trunk/libs/spirit/test/support/multi_pass_regression003.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/test/support/multi_pass_regression003.cpp	2010-03-04 13:58:28 EST (Thu, 04 Mar 2010)
@@ -0,0 +1,61 @@
+//  Copyright (c) 2010 Peter Schueller
+//  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)
+
+#include <boost/config/warning_disable.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+#include <vector>
+#include <istream>
+#include <sstream>
+#include <iostream>
+
+#include <boost/spirit/include/qi.hpp>
+#include <boost/spirit/include/support_multi_pass.hpp>
+
+namespace qi = boost::spirit::qi;
+namespace ascii = boost::spirit::ascii;
+
+std::vector<double> parse(std::istream& input)
+{
+  // iterate over stream input
+  typedef std::istreambuf_iterator<char> base_iterator_type;
+  base_iterator_type in_begin(input);
+
+  // convert input iterator to forward iterator, usable by spirit parser
+  typedef boost::spirit::multi_pass<base_iterator_type> forward_iterator_type;
+  forward_iterator_type fwd_begin = boost::spirit::make_default_multi_pass(in_begin);
+  forward_iterator_type fwd_end;
+
+  // prepare output
+  std::vector<double> output;
+
+  // parse
+  bool r = qi::phrase_parse(
+    fwd_begin, fwd_end,                          // iterators over input
+    qi::double_ >> *(',' >> qi::double_) >> qi::eoi,    // recognize list of doubles
+    ascii::space | '#' >> *(ascii::char_ - qi::eol) >> qi::eol, // comment skipper
+    output);                              // doubles are stored into this object
+
+  // error detection
+  if( !r || fwd_begin != fwd_end )
+    throw std::runtime_error("parse error");
+
+  // return result
+  return output;
+}
+
+int main()
+{
+  try {
+    std::stringstream str("1.0,2.0\n");
+    std::vector<double> values = parse(str);
+    BOOST_TEST(values.size() == 2 && values[0] == 1.0 && values[1] == 2.0);
+  }
+  catch(std::exception const&) {
+    BOOST_TEST(false);
+  }
+  return boost::report_errors();
+}