00001 #ifndef simplexml_SERIALIZER_H_INCLUDED
00002 #define simplexml_SERIALIZER_H_INCLUDED 1
00003
00004
00005
00006
00007
00008
00009
00010
00011 #define MAGIC_COOKIE_SIMPLEXML "<!DOCTYPE s11n::simplexml>"
00012
00013 namespace s11n {
00014 namespace io {
00015
00016
00017
00018
00019
00020
00021
00022
00023 namespace sharing {
00024
00025
00026
00027 struct simplexml_sharing_context {};
00028 }
00029 typedef std::map<std::string,std::string> entity_translation_map;
00030
00031
00032
00033
00034 entity_translation_map & simplexml_serializer_translations();
00035
00036
00037
00038
00039 #define TAB(LEVEL,ECHO) indent = ""; for( size_t i = 0; i < depth + LEVEL; i++ ) { indent += '\t'; if(ECHO) dest << '\t'; }
00040
00041
00042
00043
00044
00045
00046 template <typename NodeType>
00047 class simplexml_serializer : public tree_builder_lexer<NodeType,sharing::simplexml_sharing_context>
00048 {
00049 public:
00050 typedef NodeType node_type;
00051
00052 typedef simplexml_serializer<node_type> this_type;
00053 typedef tree_builder_lexer<node_type,sharing::simplexml_sharing_context> parent_type;
00054
00055 simplexml_serializer() : parent_type( "simplexml_data_nodeFlexLexer" ), m_depth(0)
00056 {
00057 this->magic_cookie( MAGIC_COOKIE_SIMPLEXML );
00058 }
00059
00060 virtual ~simplexml_serializer() {}
00061
00062
00063
00064
00065
00066 virtual const entity_translation_map & entity_translations() const
00067 {
00068 return simplexml_serializer_translations();
00069 }
00070
00071
00072
00073
00074
00075 virtual bool serialize( const node_type & src, std::ostream & dest )
00076 {
00077 size_t depth = this->m_depth++;
00078 if ( 0 == depth )
00079 {
00080 dest << this->magic_cookie() << '\n';
00081 }
00082
00083
00084 std::string nname = src.name();
00085 std::string impl = src.impl_class();
00086 std::string indent;
00087 const entity_translation_map & trans = this->entity_translations();
00088
00089 std::string ximpl = impl;
00090 s11n::translate_entities( ximpl, trans, false );
00091
00092 TAB(0,1);
00093 dest << "<" << nname << " s11n_class=\"" << ximpl << "\"";
00094
00095 std::string propval;
00096 std::string key;
00097
00098 typename node_type::const_iterator it = src.begin(), et = src.end();
00099 if ( it != et )
00100 {
00101 for ( ; it != et; ++it )
00102 {
00103 if ( "CDATA" == ( *it ).first )
00104 continue;
00105 key = (*it).first;
00106 propval = (*it).second;
00107 s11n::translate_entities( propval, trans, false );
00108 dest << " " << key << "=\"" << propval << "\"";
00109 }
00110 }
00111
00112 bool use_closer = false;
00113 if ( src.is_set( "CDATA" ) )
00114 {
00115 dest << ">";
00116 use_closer = true;
00117 dest << "<![CDATA[" << src.get_string( "CDATA" ) << "]]>";
00118 }
00119
00120
00121 bool tailindent = false;
00122
00123 if( src.children().end() != src.children().begin() )
00124 {
00125 if( ! use_closer ) dest << '>';
00126 use_closer = true;
00127 tailindent = true;
00128 dest << '\n';
00129 std::for_each( src.children().begin(),
00130 src.children().end(),
00131 node_child_simple_formatter<this_type>( *this,
00132 dest,
00133 "",
00134 "" )
00135 );
00136 }
00137
00138 dest << ( tailindent ? indent : "" );
00139 if( use_closer )
00140 {
00141 dest << "</" << nname << '>';
00142 }
00143 else
00144 {
00145 dest << " />";
00146 }
00147 dest << '\n';
00148
00149 if( 0 == depth )
00150 {
00151 dest.flush();
00152
00153 }
00154 --this->m_depth;
00155 return true;
00156 }
00157
00158
00159 private:
00160 size_t m_depth;
00161 };
00162
00163
00164 }
00165 }
00166 #undef TAB
00167
00168 #endif // simplexml_SERIALIZER_H_INCLUDED