Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / util / io / text_populate.hpp

diff --git a/libstdc++-v3/testsuite/util/io/text_populate.hpp b/libstdc++-v3/testsuite/util/io/text_populate.hpp
new file mode 100644 (file)
index 0000000..97731dd
--- /dev/null
+++ b/libstdc++-v3/testsuite/util/io/text_populate.hpp
@@ -0,0 +1,153 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the terms
+// of the GNU General Public License as published by the Free Software
+// Foundation; either version 3, or (at your option) any later
+// version.
+
+// This library is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file text_populate.hpp
+ * Contains a function for populating a vector with text words from
+ *    a file.
+ */
+
+#ifndef PB_DS_TEXT_POPULATE_HPP
+#define PB_DS_TEXT_POPULATE_HPP
+
+#include <io/illegal_input_error.hpp>
+#include <set>
+#include <fstream>
+#include <string>
+#include <iostream>
+
+namespace __gnu_pbds
+{
+
+  namespace test
+  {
+
+    template<typename Vec>
+    void
+    text_populate(const std::string& r_f_name, Vec& r_a_txt)
+    {
+      const size_t size = r_a_txt.size();
+
+      try
+       {
+         std::ifstream f(r_f_name.c_str());
+
+         if (!f.good())
+           {
+             std::cerr << "Cannot open file " << r_f_name.c_str() <<
+                std::endl;
+
+             throw __gnu_pbds::test::illegal_input_error();
+           }
+
+         size_t i = 0;
+
+         while (f.good()&&  i < size)
+           {
+             f >> r_a_txt[i].first;
+             r_a_txt[i].second = 0;
+
+             ++i;
+           }
+
+         if (i < size)
+           {
+             std::cerr << "Read only " << static_cast<unsigned long>(i) <<
+                " words" << std::endl;
+
+             throw __gnu_pbds::test::illegal_input_error();
+           }
+       }
+      catch(...)
+       {
+         std::cerr << "Error reading from file" << std::endl;
+
+         throw;
+       }
+    }
+
+    template<typename Vec>
+    void
+    distinct_text_populate(const std::string& r_f_name, Vec& r_a_txt)
+    {
+      const size_t size = r_a_txt.size();
+
+      try
+       {
+         std::ifstream f(r_f_name.c_str());
+
+         if (!f.good())
+           {
+             std::cerr << "Cannot open file " << r_f_name.c_str() <<
+                std::endl;
+
+             throw __gnu_pbds::test::illegal_input_error();
+           }
+
+         typedef std::set< typename Vec::value_type::first_type> set_t;
+
+         set_t s;
+
+         while (f.good()&&  s.size() < size)
+           {
+             typename Vec::value_type::first_type v;
+
+             f >> v;
+
+             if (s.find(v) == s.end())
+               {
+                 r_a_txt[s.size()] = std::make_pair(v, 0);
+
+                 s.insert(v);
+               }
+           }
+
+         if (s.size() < size)
+           {
+             std::cerr << "Read only " << static_cast<unsigned long>(s.size()) <<
+                " words" << std::endl;
+
+             throw __gnu_pbds::test::illegal_input_error();
+           }
+       }
+      catch(...)
+       {
+         std::cerr << "Error reading from file" << std::endl;
+
+         throw;
+       }
+    }
+
+  } // namespace test
+
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_TEXT_POPULATE_HPP