Initial commit (I really need to remove Boost)

third_party/boost/libs/regex/src/cpp_regex_traits.cpp

@@ -0,0 +1,117 @@
+/*
+ *
+ * Copyright (c) 2004
+ * John Maddock
+ *
+ * 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)
+ *
+ */
+ 
+ /*
+  *   LOCATION:    see http://www.boost.org for most recent version.
+  *   FILE         cpp_regex_traits.cpp
+  *   VERSION      see <boost/version.hpp>
+  *   DESCRIPTION: Implements cpp_regex_traits<char> (and associated helper classes).
+  */
+
+#define BOOST_REGEX_SOURCE
+#include <boost/config.hpp>
+#ifndef BOOST_NO_STD_LOCALE
+#include <boost/regex/regex_traits.hpp>
+#include <boost/regex/pattern_except.hpp>
+
+#ifdef BOOST_NO_STDC_NAMESPACE
+namespace std{
+   using ::memset;
+}
+#endif
+
+namespace boost{ namespace BOOST_REGEX_DETAIL_NS{
+
+void cpp_regex_traits_char_layer<char>::init() 
+{
+   // we need to start by initialising our syntax map so we know which
+   // character is used for which purpose:
+   std::memset(m_char_map, 0, sizeof(m_char_map));
+#ifndef BOOST_NO_STD_MESSAGES
+#ifndef __IBMCPP__
+   std::messages<char>::catalog cat = static_cast<std::messages<char>::catalog>(-1);
+#else
+   std::messages<char>::catalog cat = reinterpret_cast<std::messages<char>::catalog>(-1);
+#endif
+   std::string cat_name(cpp_regex_traits<char>::get_catalog_name());
+   if(cat_name.size() && (m_pmessages != 0))
+   {
+      cat = this->m_pmessages->open(
+         cat_name, 
+         this->m_locale);
+      if((int)cat < 0)
+      {
+         std::string m("Unable to open message catalog: ");
+         std::runtime_error err(m + cat_name);
+         boost::BOOST_REGEX_DETAIL_NS::raise_runtime_error(err);
+      }
+   }
+   //
+   // if we have a valid catalog then load our messages:
+   //
+   if((int)cat >= 0)
+   {
+#ifndef BOOST_NO_EXCEPTIONS
+      try{
+#endif
+         for(regex_constants::syntax_type i = 1; i < regex_constants::syntax_max; ++i)
+         {
+            string_type mss = this->m_pmessages->get(cat, 0, i, get_default_syntax(i));
+            for(string_type::size_type j = 0; j < mss.size(); ++j)
+            {
+               m_char_map[static_cast<unsigned char>(mss[j])] = i;
+            }
+         }
+         this->m_pmessages->close(cat);
+#ifndef BOOST_NO_EXCEPTIONS
+      }
+      catch(...)
+      {
+         this->m_pmessages->close(cat);
+         throw;
+      }
+#endif
+   }
+   else
+   {
+#endif
+      for(regex_constants::syntax_type j = 1; j < regex_constants::syntax_max; ++j)
+      {
+         const char* ptr = get_default_syntax(j);
+         while(ptr && *ptr)
+         {
+            m_char_map[static_cast<unsigned char>(*ptr)] = j;
+            ++ptr;
+         }
+      }
+#ifndef BOOST_NO_STD_MESSAGES
+   }
+#endif
+   //
+   // finish off by calculating our escape types:
+   //
+   unsigned char i = 'A';
+   do
+   {
+      if(m_char_map[i] == 0)
+      {
+         if(this->m_pctype->is(std::ctype_base::lower, i)) 
+            m_char_map[i] = regex_constants::escape_type_class;
+         else if(this->m_pctype->is(std::ctype_base::upper, i)) 
+            m_char_map[i] = regex_constants::escape_type_not_class;
+      }
+   }while(0xFF != i++);
+}
+
+} // BOOST_REGEX_DETAIL_NS
+} // boost
+#endif
+