Added boost header

test/external/boost/property_tree/detail/xml_parser_utils.hpp

@@ -0,0 +1,136 @@
+// ----------------------------------------------------------------------------
+// Copyright (C) 2002-2006 Marcin Kalicinski
+//
+// 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)
+//
+// For more information, see www.boost.org
+// ----------------------------------------------------------------------------
+#ifndef BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_UTILS_HPP_INCLUDED
+#define BOOST_PROPERTY_TREE_DETAIL_XML_PARSER_UTILS_HPP_INCLUDED
+
+#include <boost/property_tree/detail/ptree_utils.hpp>
+#include <boost/property_tree/detail/xml_parser_error.hpp>
+#include <boost/property_tree/detail/xml_parser_writer_settings.hpp>
+#include <string>
+#include <algorithm>
+#include <locale>
+
+namespace boost { namespace property_tree { namespace xml_parser
+{
+
+    template<class Ch>
+    std::basic_string<Ch> condense(const std::basic_string<Ch> &s)
+    {
+        std::basic_string<Ch> r;
+        std::locale loc;
+        bool space = false;
+        typename std::basic_string<Ch>::const_iterator end = s.end();
+        for (typename std::basic_string<Ch>::const_iterator it = s.begin();
+             it != end; ++it)
+        {
+            if (isspace(*it, loc) || *it == Ch('\n'))
+            {
+                if (!space)
+                    r += Ch(' '), space = true;
+            }
+            else
+                r += *it, space = false;
+        }
+        return r;
+    }
+
+    template<class Ch>
+    std::basic_string<Ch> encode_char_entities(const std::basic_string<Ch> &s)
+    {
+        // Don't do anything for empty strings.
+        if(s.empty()) return s;
+
+        typedef typename std::basic_string<Ch> Str;
+        Str r;
+        // To properly round-trip spaces and not uglify the XML beyond
+        // recognition, we have to encode them IF the text contains only spaces.
+        Str sp(1, Ch(' '));
+        if(s.find_first_not_of(sp) == Str::npos) {
+            // The first will suffice.
+            r = detail::widen<Ch>("&#32;");
+            r += Str(s.size() - 1, Ch(' '));
+        } else {
+            typename Str::const_iterator end = s.end();
+            for (typename Str::const_iterator it = s.begin(); it != end; ++it)
+            {
+                switch (*it)
+                {
+                    case Ch('<'): r += detail::widen<Ch>("&lt;"); break;
+                    case Ch('>'): r += detail::widen<Ch>("&gt;"); break;
+                    case Ch('&'): r += detail::widen<Ch>("&amp;"); break;
+                    case Ch('"'): r += detail::widen<Ch>("&quot;"); break;
+                    case Ch('\''): r += detail::widen<Ch>("&apos;"); break;
+                    default: r += *it; break;
+                }
+            }
+        }
+        return r;
+    }
+    
+    template<class Ch>
+    std::basic_string<Ch> decode_char_entities(const std::basic_string<Ch> &s)
+    {
+        typedef typename std::basic_string<Ch> Str;
+        Str r;
+        typename Str::const_iterator end = s.end();
+        for (typename Str::const_iterator it = s.begin(); it != end; ++it)
+        {
+            if (*it == Ch('&'))
+            {
+                typename Str::const_iterator semicolon = std::find(it + 1, end, Ch(';'));
+                if (semicolon == end)
+                    BOOST_PROPERTY_TREE_THROW(xml_parser_error("invalid character entity", "", 0));
+                Str ent(it + 1, semicolon);
+                if (ent == detail::widen<Ch>("lt")) r += Ch('<');
+                else if (ent == detail::widen<Ch>("gt")) r += Ch('>');
+                else if (ent == detail::widen<Ch>("amp")) r += Ch('&');
+                else if (ent == detail::widen<Ch>("quot")) r += Ch('"');
+                else if (ent == detail::widen<Ch>("apos")) r += Ch('\'');
+                else
+                    BOOST_PROPERTY_TREE_THROW(xml_parser_error("invalid character entity", "", 0));
+                it = semicolon;
+            }
+            else
+                r += *it;
+        }
+        return r;
+    }
+    
+    template<class Ch>
+    const std::basic_string<Ch> &xmldecl()
+    {
+        static std::basic_string<Ch> s = detail::widen<Ch>("<?xml>");
+        return s;
+    }
+
+    template<class Ch>
+    const std::basic_string<Ch> &xmlattr()
+    {
+        static std::basic_string<Ch> s = detail::widen<Ch>("<xmlattr>");
+        return s;
+    }
+
+    template<class Ch>
+    const std::basic_string<Ch> &xmlcomment()
+    {
+        static std::basic_string<Ch> s = detail::widen<Ch>("<xmlcomment>");
+        return s;
+    }
+
+    template<class Ch>
+    const std::basic_string<Ch> &xmltext()
+    {
+        static std::basic_string<Ch> s = detail::widen<Ch>("<xmltext>");
+        return s;
+    }
+
+} } }
+
+#endif