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;
}
void write_json_internal(std::basic_ostream<typename Ptree::key_type::value_type> &stream,
const Ptree &pt,
const std::string &filename,
bool pretty)
{
if (!verify_json(pt, 0))
BOOST_PROPERTY_TREE_THROW(json_parser_error("ptree contains data that cannot be represented in JSON format", filename, 0));
write_json_helper(stream, pt, 0, pretty);
stream << std::endl;
if (!stream.good())
BOOST_PROPERTY_TREE_THROW(json_parser_error("write error", filename, 0));
}
void write_info_internal(std::basic_ostream<typename Ptree::key_type::value_type> &stream,
const Ptree &pt,
const std::string &filename,
const info_writer_settings<typename Ptree::key_type::value_type> &settings)
{
write_info_helper(stream, pt, -1, settings);
if (!stream.good())
BOOST_PROPERTY_TREE_THROW(info_parser_error("write error", filename, 0));
}
void read_json(const std::string &filename,
Ptree &pt,
const std::locale &loc = std::locale())
{
std::basic_ifstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(json_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
detail::read_json_internal(stream, pt, filename);
}
void write_json(const std::string &filename,
const Ptree &pt,
const std::locale &loc = std::locale(),
bool pretty = true)
{
std::basic_ofstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(json_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
write_json_internal(stream, pt, filename, pretty);
}
void read_info(const std::string &filename, Ptree &pt,
const std::locale &loc = std::locale())
{
std::basic_ifstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream) {
BOOST_PROPERTY_TREE_THROW(info_parser_error(
"cannot open file for reading", filename, 0));
}
stream.imbue(loc);
Ptree local;
read_info_internal(stream, local, filename, 0);
pt.swap(local);
}
void read_xml(const std::string &filename,
Ptree &pt,
int flags = 0,
const std::locale &loc = std::locale())
{
BOOST_ASSERT(validate_flags(flags));
std::basic_ifstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(xml_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
read_xml_internal(stream, pt, flags, filename);
}
void write_xml_internal(std::basic_ostream<typename Ptree::key_type::value_type> &stream,
const Ptree &pt,
const std::string &filename,
const xml_writer_settings<typename Ptree::key_type::value_type> & settings)
{
typedef typename Ptree::key_type::value_type Ch;
typedef typename std::basic_string<Ch> Str;
stream << detail::widen<Ch>("<?xml version=\"1.0\" encoding=\"")
<< settings.encoding
<< detail::widen<Ch>("\"?>\n");
write_xml_element(stream, Str(), pt, -1, settings);
if (!stream)
BOOST_PROPERTY_TREE_THROW(xml_parser_error("write error", filename, 0));
}
void write_xml(const std::string &filename,
const Ptree &pt,
const std::locale &loc = std::locale(),
const xml_writer_settings<
typename Ptree::key_type
> & settings = xml_writer_settings<typename Ptree::key_type>())
{
std::basic_ofstream<typename Ptree::key_type::value_type>
stream(filename.c_str());
if (!stream)
BOOST_PROPERTY_TREE_THROW(xml_parser_error(
"cannot open file", filename, 0));
stream.imbue(loc);
write_xml_internal(stream, pt, filename, settings);
}
void check_dupes(const Ptree &pt)
{
if(pt.size() <= 1)
return;
const typename Ptree::key_type *lastkey = 0;
typename Ptree::const_assoc_iterator it = pt.ordered_begin(),
end = pt.not_found();
lastkey = &it->first;
for(++it; it != end; ++it) {
if(*lastkey == it->first)
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"duplicate key", "", 0));
lastkey = &it->first;
}
}
typename Translator::external_type string_path<String, Translator>::reduce()
{
assert(!empty() && "Reducing empty path");
s_iter next_sep = std::find(m_start, m_value.end(), m_separator);
String part(m_start, next_sep);
m_start = next_sep;
if(!empty()) {
// Unless we're at the end, skip the separator we found.
++m_start;
}
if(optional<key_type> key = m_tr.get_value(part)) {
return *key;
}
BOOST_PROPERTY_TREE_THROW(ptree_bad_path("Path syntax error", *this));
}