add boost on mac

macx64/include/boost/test/utils/runtime/cla/argv_traverser.hpp

@@ -0,0 +1,106 @@
+//  (C) Copyright Gennadiy Rozental 2001.
+//  Use, modification, and distribution are subject to 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)
+
+//  See http://www.boost.org/libs/test for the library home page.
+//
+//  File        : $RCSfile$
+//
+//  Version     : $Revision$
+//
+//  Description : defines facility to hide input traversing details
+// ***************************************************************************
+
+#ifndef BOOST_TEST_UTILS_RUNTIME_CLA_ARGV_TRAVERSER_HPP
+#define BOOST_TEST_UTILS_RUNTIME_CLA_ARGV_TRAVERSER_HPP
+
+// Boost.Test Runtime parameters
+#include <boost/test/utils/runtime/fwd.hpp>
+#include <cstring>
+
+#include <boost/test/detail/suppress_warnings.hpp>
+
+namespace boost {
+namespace runtime {
+namespace cla {
+
+// ************************************************************************** //
+// **************          runtime::cla::argv_traverser        ************** //
+// ************************************************************************** //
+
+class argv_traverser {
+    typedef char const** argv_type;
+public:
+    /// Constructs traverser based on argc/argv pair
+    /// argv is taken "by reference" and later can be
+    /// updated in remainder method
+    argv_traverser( int argc, argv_type argv )
+    : m_argc( argc )
+    , m_curr_token( 0 )
+    , m_token_size( 0 )
+    , m_argv( argv )
+    {
+        // save program name
+        save_token();
+    }
+
+    /// Returns new argc
+    int         remainder()
+    {
+        return m_argc;
+    }
+
+    /// Returns true, if we reached end on input
+    bool        eoi() const
+    {
+        return m_curr_token == m_argc;
+    }
+
+    /// Returns current token in the input
+    cstring     current_token()
+    {
+        if( eoi() )
+            return cstring();
+
+        return cstring( m_argv[m_curr_token], m_token_size );
+    }
+
+    /// Saves current token for remainder
+    void        save_token()
+    {
+        ++m_curr_token;
+
+        if( !eoi() )
+            m_token_size = ::strlen( m_argv[m_curr_token] );
+    }
+
+    /// Commit current token and iterate to next one
+    void        next_token()
+    {
+        if( !eoi() ) {
+            for( std::size_t i = m_curr_token; i < m_argc-1; ++i )
+                m_argv[i] = m_argv[i + 1];
+
+            --m_argc;
+
+            m_token_size = ::strlen( m_argv[m_curr_token] );
+        }
+    }
+
+private:
+
+    // Data members
+    std::size_t m_argc;         // total number of arguments
+    std::size_t m_curr_token;   // current token index in argv
+    std::size_t m_token_size;   // current token size
+    argv_type   m_argv;         // all arguments
+};
+
+} // namespace cla
+} // namespace runtime
+} // namespace boost
+
+#include <boost/test/detail/enable_warnings.hpp>
+
+#endif // BOOST_TEST_UTILS_RUNTIME_CLA_ARGV_TRAVERSER_HPP