Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // basic_xml_oarchive.ipp:
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: #include <algorithm>
Chris@16: #include <cstddef> // NULL
Chris@16: #include <cstring>
Chris@16: #if defined(BOOST_NO_STDC_NAMESPACE) && ! defined(__LIBCOMO__)
Chris@16: namespace std{
Chris@16:     using ::strlen;
Chris@16: } // namespace std
Chris@16: #endif
Chris@16: 
Chris@16: #include <boost/archive/basic_xml_archive.hpp>
Chris@16: #include <boost/archive/basic_xml_oarchive.hpp>
Chris@16: #include <boost/archive/xml_archive_exception.hpp>
Chris@101: #include <boost/core/no_exceptions_support.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace archive {
Chris@16: 
Chris@16: namespace detail {
Chris@16: template<class CharType>
Chris@16: struct XML_name {
Chris@16:     void operator()(CharType t) const{
Chris@16:         const unsigned char lookup_table[] = {
Chris@16:             0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
Chris@16:             0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
Chris@16:             0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0, // -.
Chris@16:             1,1,1,1,1,1,1,1,1,1,0,0,0,0,0,0, // 0-9
Chris@16:             0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // A-
Chris@16:             1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,1, // -Z _
Chris@16:             0,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, // a-
Chris@16:             1,1,1,1,1,1,1,1,1,1,1,0,0,0,0,0, // -z
Chris@16:             0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
Chris@16:             0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
Chris@16:         };
Chris@16:         if((unsigned)t > 127)
Chris@16:             return;
Chris@16:         if(0 == lookup_table[(unsigned)t])
Chris@16:             boost::serialization::throw_exception(
Chris@16:                 xml_archive_exception(
Chris@16:                     xml_archive_exception::xml_archive_tag_name_error
Chris@16:                 )
Chris@16:             );
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } // namespace detail
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // implemenations of functions common to both types of xml output
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::write_attribute(
Chris@16:     const char *attribute_name,
Chris@16:     int t,
Chris@16:     const char *conjunction
Chris@16: ){
Chris@16:     this->This()->put(' ');
Chris@16:     this->This()->put(attribute_name);
Chris@16:     this->This()->put(conjunction);
Chris@16:     this->This()->save(t);
Chris@16:     this->This()->put('"');
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::write_attribute(
Chris@16:     const char *attribute_name,
Chris@16:     const char *key
Chris@16: ){
Chris@16:     this->This()->put(' ');
Chris@16:     this->This()->put(attribute_name);
Chris@16:     this->This()->put("=\"");
Chris@16:     this->This()->save(key);
Chris@16:     this->This()->put('"');
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::indent(){
Chris@16:     int i;
Chris@16:     for(i = depth; i-- > 0;)
Chris@16:         this->This()->put('\t');
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_start(const char *name)
Chris@16: {
Chris@16:     if(NULL == name)
Chris@16:         return;
Chris@16: 
Chris@16:     // be sure name has no invalid characters
Chris@16:     std::for_each(name, name + std::strlen(name), detail::XML_name<const char>());
Chris@16: 
Chris@16:     end_preamble();
Chris@16:     if(depth > 0){
Chris@16:         this->This()->put('\n');
Chris@16:         indent();
Chris@16:     }
Chris@16:     ++depth;
Chris@16:     this->This()->put('<');
Chris@16:     this->This()->save(name);
Chris@16:     pending_preamble = true;
Chris@16:     indent_next = false;
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_end(const char *name)
Chris@16: {
Chris@16:     if(NULL == name)
Chris@16:         return;
Chris@16: 
Chris@16:     // be sure name has no invalid characters
Chris@16:     std::for_each(name, name + std::strlen(name), detail::XML_name<const char>());
Chris@16: 
Chris@16:     end_preamble();
Chris@16:     --depth;
Chris@16:     if(indent_next){
Chris@16:         this->This()->put('\n');
Chris@16:         indent();
Chris@16:     }
Chris@16:     indent_next = true;
Chris@16:     this->This()->put("</");
Chris@16:     this->This()->save(name);
Chris@16:     this->This()->put('>');
Chris@16:     if(0 == depth)
Chris@16:         this->This()->put('\n');
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::end_preamble(){
Chris@16:     if(pending_preamble){
Chris@16:         this->This()->put('>');
Chris@16:         pending_preamble = false;
Chris@16:     }
Chris@16: }
Chris@16: #if 0
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const object_id_type & t, int)
Chris@16: {
Chris@16:     int i = t.t; // extra .t is for borland
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_OBJECT_ID(), i, "=\"_");
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(
Chris@16:     const object_reference_type & t,
Chris@16:     int
Chris@16: ){
Chris@16:     int i = t.t; // extra .t is for borland
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_OBJECT_REFERENCE(), i, "=\"_");
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const version_type & t, int)
Chris@16: {
Chris@16:     int i = t.t; // extra .t is for borland
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_VERSION(), i);
Chris@16: }
Chris@16: #endif
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const object_id_type & t, int)
Chris@16: {
Chris@16:     // borland doesn't do conversion of STRONG_TYPEDEFs very well
Chris@16:     const unsigned int i = t;
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_OBJECT_ID(), i, "=\"_");
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(
Chris@16:     const object_reference_type & t,
Chris@16:     int
Chris@16: ){
Chris@16:     const unsigned int i = t;
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_OBJECT_REFERENCE(), i, "=\"_");
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const version_type & t, int)
Chris@16: {
Chris@16:     const unsigned int i = t;
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_VERSION(), i);
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const class_id_type & t, int)
Chris@16: {
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_CLASS_ID(), t);
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(
Chris@16:     const class_id_reference_type & t,
Chris@16:     int
Chris@16: ){
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_CLASS_ID_REFERENCE(), t);
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(
Chris@16:     const class_id_optional_type & t,
Chris@16:     int
Chris@16: ){
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_CLASS_ID(), t);
Chris@16: }
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const class_name_type & t, int)
Chris@16: {
Chris@16:     const char * key = t;
Chris@16:     if(NULL == key)
Chris@16:         return;
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_CLASS_NAME(), key);
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::save_override(const tracking_type & t, int)
Chris@16: {
Chris@16:     write_attribute(BOOST_ARCHIVE_XML_TRACKING(), t.t);
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
Chris@16: basic_xml_oarchive<Archive>::init(){
Chris@16:     // xml header
Chris@16:     this->This()->put("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\" ?>\n");
Chris@16:     this->This()->put("<!DOCTYPE boost_serialization>\n");
Chris@16:     // xml document wrapper - outer root
Chris@16:     this->This()->put("<boost_serialization");
Chris@16:     write_attribute("signature", BOOST_ARCHIVE_SIGNATURE());
Chris@16:     write_attribute("version", BOOST_ARCHIVE_VERSION());
Chris@16:     this->This()->put(">\n");
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
Chris@16: basic_xml_oarchive<Archive>::basic_xml_oarchive(unsigned int flags) :
Chris@16:     detail::common_oarchive<Archive>(flags),
Chris@16:     depth(0),
Chris@16:     indent_next(false),
Chris@16:     pending_preamble(false)
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: template<class Archive>
Chris@16: BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
Chris@16: basic_xml_oarchive<Archive>::~basic_xml_oarchive(){
Chris@16:     if(0 == (this->get_flags() & no_header)){
Chris@16:         BOOST_TRY{
Chris@16:                 this->This()->put("</boost_serialization>\n");
Chris@16:         }
Chris@16:         BOOST_CATCH(...){}
Chris@16:         BOOST_CATCH_END
Chris@16:     }
Chris@16: }
Chris@16: 
Chris@16: } // namespace archive
Chris@16: } // namespace boost