123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139 |
- #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 Str>
- Str condense(const Str &s)
- {
- typedef typename Str::value_type Ch
- Str r
- std::locale loc
- bool space = false
- typename Str::const_iterator end = s.end()
- for (typename Str::const_iterator it = s.begin()
- it != end
- {
- if (isspace(*it, loc) || *it == Ch('\n'))
- {
- if (!space)
- r += Ch(' '), space = true
- }
- else
- r += *it, space = false
- }
- return r
- }
- template<class Str>
- Str encode_char_entities(const Str &s)
- {
-
- if(s.empty()) return s
- typedef typename Str::value_type Ch
- Str r
-
-
- Str sp(1, Ch(' '))
- if(s.find_first_not_of(sp) == Str::npos) {
-
- r = detail::widen<Str>(" ")
- r += Str(s.size() - 1, Ch(' '))
- } else {
- typename Str::const_iterator end = s.end()
- for (typename Str::const_iterator it = s.begin()
- {
- switch (*it)
- {
- case Ch('<'): r += detail::widen<Str>("<")
- case Ch('>'): r += detail::widen<Str>(">")
- case Ch('&'): r += detail::widen<Str>("&")
- case Ch('"'): r += detail::widen<Str>(""")
- case Ch('\''): r += detail::widen<Str>("'")
- default: r += *it
- }
- }
- }
- return r
- }
- template<class Str>
- Str decode_char_entities(const Str &s)
- {
- typedef typename Str::value_type Ch
- Str r
- typename Str::const_iterator end = s.end()
- for (typename Str::const_iterator it = s.begin()
- {
- 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<Str>("lt")) r += Ch('<')
- else if (ent == detail::widen<Str>("gt")) r += Ch('>')
- else if (ent == detail::widen<Str>("amp")) r += Ch('&')
- else if (ent == detail::widen<Str>("quot")) r += Ch('"')
- else if (ent == detail::widen<Str>("apos")) r += Ch('\'')
- else
- BOOST_PROPERTY_TREE_THROW(xml_parser_error("invalid character entity", "", 0))
- it = semicolon
- }
- else
- r += *it
- }
- return r
- }
- template<class Str>
- const Str &xmldecl()
- {
- static Str s = detail::widen<Str>("<?xml>")
- return s
- }
- template<class Str>
- const Str &xmlattr()
- {
- static Str s = detail::widen<Str>("<xmlattr>")
- return s
- }
- template<class Str>
- const Str &xmlcomment()
- {
- static Str s = detail::widen<Str>("<xmlcomment>")
- return s
- }
- template<class Str>
- const Str &xmltext()
- {
- static Str s = detail::widen<Str>("<xmltext>")
- return s
- }
- } } }
- #endif
|