bool parse_sexpr_list(
std::basic_istream<Char>& is,
utree& result,
std::string const& source_file)
{
// no white space skipping in the stream!
is.unsetf(std::ios::skipws);
typedef
boost::spirit::basic_istream_iterator<Char>
stream_iterator_type;
stream_iterator_type sfirst(is);
stream_iterator_type slast;
typedef boost::spirit::line_pos_iterator<stream_iterator_type>
iterator_type;
iterator_type first(sfirst);
iterator_type last(slast);
scheme::input::sexpr<iterator_type> p(source_file);
scheme::input::sexpr_white_space<iterator_type> ws;
using boost::spirit::qi::phrase_parse;
bool ok = phrase_parse(first, last, +p, ws, result);
result.tag(1); // line
return ok;
}
void load(std::basic_istream<char> &stream, xml_node &node)
{
stream.unsetf(std::ios::skipws);
std::vector<char> v(std::istreambuf_iterator<char>(stream.rdbuf()),
std::istreambuf_iterator<char>());
if (!stream.good())
{
throw config_error("Could not load map file", 0, filename_);
}
v.push_back(0); // zero-terminate
try
{
// Parse using appropriate flags
const int f_tws = rapidxml::parse_normalize_whitespace
| rapidxml::parse_trim_whitespace;
rapidxml::xml_document<> doc;
doc.parse<f_tws>(&v.front());
for (rapidxml::xml_node<char> *child = doc.first_node();
child; child = child->next_sibling())
{
populate_tree(child, node);
}
}
catch (rapidxml::parse_error &e)
{
long line = static_cast<long>(
std::count(&v.front(), e.where<char>(), '\n') + 1);
throw config_error(e.what(), line, filename_);
}
}
void read_xml_internal(std::basic_istream<typename Ptree::key_type::value_type> &stream,
Ptree &pt,
int flags,
const std::string &filename)
{
typedef typename Ptree::key_type::value_type Ch;
// Create and load document from stream
stream.unsetf(std::ios::skipws);
if (!stream.good())
throw xml_parser_error("read error", filename, 0);
std::vector<Ch> buf;
std::copy(std::istream_iterator<Ch>(stream), std::istream_iterator<Ch>(), std::back_inserter(buf));
buf.push_back(0); // zero-terminate
unsigned int pugi_flags = pugi::parse_w3c;
if ( flags & no_comments )
pugi_flags = pugi_flags & ~pugi::parse_comments;
pugi::xml_parser parser(&buf[0], pugi_flags);
pugi::xml_node doc = parser.document();
// Create ptree from nodes
Ptree local;
for ( pugi::xml_node child = doc.first_child(); child; child = child.next_sibling())
read_xml_node( child, local, flags );
// Swap local and result ptrees
pt.swap(local);
}
//! Loads file into the memory. Data will be automatically destroyed by the
// destructor
//! \param stream Stream to load from
file(std::basic_istream<Ch> &stream) {
using namespace std;
// Load data and add terminating 0
stream.unsetf(ios::skipws);
m_data.assign(istreambuf_iterator<Ch>(stream), istreambuf_iterator<Ch>());
if (stream.fail() || stream.bad())
throw runtime_error("error reading stream");
m_data.push_back(0);
}
void read_xml_internal(std::basic_istream<
typename Ptree::key_type::value_type> &stream,
Ptree &pt,
int flags,
const std::string &filename)
{
typedef typename Ptree::key_type::value_type Ch;
using namespace detail::pdalboostrapidxml;
// Load data into vector
stream.unsetf(std::ios::skipws);
std::vector<Ch> v(std::istreambuf_iterator<Ch>(stream.rdbuf()),
std::istreambuf_iterator<Ch>());
if (!stream.good())
BOOST_PROPERTY_TREE_THROW(
xml_parser_error("read error", filename, 0));
v.push_back(0); // zero-terminate
try {
// Parse using appropriate flags
const int f_tws = parse_normalize_whitespace
| parse_trim_whitespace;
const int f_c = parse_comment_nodes;
// Some compilers don't like the bitwise or in the template arg.
const int f_tws_c = parse_normalize_whitespace
| parse_trim_whitespace
| parse_comment_nodes;
xml_document<Ch> doc;
if (flags & no_comments) {
if (flags & trim_whitespace)
doc.BOOST_NESTED_TEMPLATE parse<f_tws>(&v.front());
else
doc.BOOST_NESTED_TEMPLATE parse<0>(&v.front());
} else {
if (flags & trim_whitespace)
doc.BOOST_NESTED_TEMPLATE parse<f_tws_c>(&v.front());
else
doc.BOOST_NESTED_TEMPLATE parse<f_c>(&v.front());
}
// Create ptree from nodes
Ptree local;
for (xml_node<Ch> *child = doc.first_node();
child; child = child->next_sibling())
read_xml_node(child, local, flags);
// Swap local and result ptrees
pt.swap(local);
} catch (parse_error &e) {
long line = static_cast<long>(
std::count(&v.front(), e.where<Ch>(), Ch('\n')) + 1);
BOOST_PROPERTY_TREE_THROW(
xml_parser_error(e.what(), filename, line));
}
}
