inline std::basic_istream<CharT,Traits>&
operator>>(std::basic_istream<CharT,Traits>& is, uuid& id)
{
typedef typename std::basic_istream<CharT,Traits>::sentry sentry_t;
sentry_t ok(is);
if (ok)
{
CharT c;
if (!is.get(c))
return is;
is.unget();
if (c == is.widen('{'))
{
CharT buf[38+1];
if (!is.read(buf, 38))
return is;
buf[38] = CharT();
id = uuid(buf);
}
else
{
CharT buf[36+1];
if (!is.read(buf, 36))
return is;
buf[36] = CharT();
id = uuid(buf);
}
}
return is;
}
std::streamsize ignore_line (
std::basic_istream<CharT>& in, bool always_discard = false )
{
std::streamsize nread = 0;
if ( always_discard
|| ( in.rdbuf()->sungetc() != std::char_traits<CharT>::eof()
&& in.get() != in.widen ( '\n' ) ) )
{
// The stream is good, and we haven't
// read a full line yet, so clear it out
in.ignore ( std::numeric_limits<std::streamsize>::max(), in.widen ( '\n' ) );
nread = in.gcount();
}
return nread;
}
inline SPROUT_NON_CONSTEXPR std::basic_istream<Char, Traits>&
operator>>(std::basic_istream<Char, Traits>& lhs, sprout::bitset<N>& rhs) {
typedef typename Traits::char_type char_type;
typedef std::basic_istream<Char, Traits> istream_type;
typedef typename istream_type::ios_base ios_base;
std::basic_string<Char, Traits> tmp;
tmp.reserve(N);
char_type const zero = lhs.widen('0');
char_type const one = lhs.widen('1');
typename ios_base::iostate state = ios_base::goodbit;
typename istream_type::sentry sentry(lhs);
if (sentry) {
try {
for (std::size_t i = N; i > 0; --i) {
static typename Traits::int_type eof = Traits::eof();
typename Traits::int_type c1 = lhs.rdbuf()->sbumpc();
if (Traits::eq_int_type(c1, eof)) {
state |= ios_base::eofbit;
break;
} else {
char_type const c2 = Traits::to_char_type(c1);
if (Traits::eq(c2, zero)) {
tmp.push_back(zero);
} else if (Traits::eq(c2, one)) {
tmp.push_back(one);
} else if (Traits::eq_int_type(lhs.rdbuf()->sputbackc(c2), eof)) {
state |= ios_base::failbit;
break;
}
}
}
} catch(...) {
lhs.setstate(ios_base::badbit);
}
}
if (tmp.empty() && N) {
state |= ios_base::failbit;
} else {
rhs.copy_from_string(tmp, static_cast<std::size_t>(0), N, zero, one);
if (state) {
lhs.setstate(state);
return lhs;
}
}
return lhs;
}
std::basic_istream<ch, char_traits>& operator>>(std::basic_istream<ch, char_traits> &is, uuid &u)
{
const typename std::basic_istream<ch, char_traits>::sentry ok(is);
if (ok) {
unsigned char data[16];
typedef std::ctype<ch> ctype_t;
ctype_t const& ctype = std::use_facet<ctype_t>(is.getloc());
ch xdigits[16];
{
char szdigits[] = "0123456789ABCDEF";
ctype.widen(szdigits, szdigits+16, xdigits);
}
ch*const xdigits_end = xdigits+16;
ch c;
for (std::size_t i=0; i<u.size() && is; ++i) {
is >> c;
c = ctype.toupper(c);
ch* f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
is.setstate(std::ios_base::failbit);
break;
}
unsigned char byte = static_cast<unsigned char>(std::distance(&xdigits[0], f));
is >> c;
c = ctype.toupper(c);
f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
is.setstate(std::ios_base::failbit);
break;
}
byte <<= 4;
byte |= static_cast<unsigned char>(std::distance(&xdigits[0], f));
data[i] = byte;
if (is) {
if (i == 3 || i == 5 || i == 7 || i == 9) {
is >> c;
if (c != is.widen('-')) is.setstate(std::ios_base::failbit);
}
}
}
if (is) {
std::copy(data, data+16, u.begin());
}
}
inline std::basic_istream<Elem, Traits>&
operator>>(std::basic_istream<Elem, Traits>& lhs, sprout::uuids::uuid& rhs) {
typedef typename std::basic_ios<Elem, Traits>::char_type char_type;
typename std::basic_istream<Elem, Traits>::sentry const ok(lhs);
typedef std::ctype<Elem> ctype_type;
if (ok) {
sprout::uuids::uuid::value_type data[16];
ctype_type const& ctype = std::use_facet<ctype_type>(lhs.getloc());
char_type xdigits[16];
{
char const szdigits[] = "0123456789ABCDEF";
ctype.widen(szdigits, szdigits + 16, xdigits);
}
char_type const* const xdigits_end = xdigits + 16;
char_type c;
for (sprout::uuids::uuid::size_type i = 0, last = rhs.size(); i < last && lhs; ++i) {
lhs >> c;
c = ctype.toupper(c);
char_type const* f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
lhs.setstate(std::ios_base::failbit);
break;
}
sprout::uuids::uuid::value_type byte = static_cast<sprout::uuids::uuid::value_type>(std::distance(&xdigits[0], f));
lhs >> c;
c = ctype.toupper(c);
f = std::find(xdigits, xdigits_end, c);
if (f == xdigits_end) {
lhs.setstate(std::ios_base::failbit);
break;
}
byte <<= 4;
byte |= static_cast<sprout::uuids::uuid::value_type>(std::distance(&xdigits[0], f));
data[i] = byte;
if (lhs) {
if (i == 3 || i == 5 || i == 7 || i == 9) {
lhs >> c;
if (c != lhs.widen('-')) {
lhs.setstate(std::ios_base::failbit);
break;
}
}
}
}
if (lhs) {
std::copy(data, data + 16, rhs.begin());
}
}
void read_ini(std::basic_istream<
typename Ptree::key_type::value_type> &stream,
Ptree &pt)
{
typedef typename Ptree::key_type::value_type Ch;
typedef std::basic_string<Ch> Str;
const Ch semicolon = stream.widen(';');
const Ch hash = stream.widen('#');
const Ch lbracket = stream.widen('[');
const Ch rbracket = stream.widen(']');
Ptree local;
unsigned long line_no = 0;
Ptree *section = 0;
Str line;
// For all lines
while (stream.good())
{
// Get line from stream
++line_no;
std::getline(stream, line);
if (!stream.good() && !stream.eof())
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"read error", "", line_no));
// If line is non-empty
line = property_tree::detail::trim(line, stream.getloc());
if (!line.empty())
{
// Comment, section or key?
if (line[0] == semicolon || line[0] == hash)
{
// Ignore comments
}
else if (line[0] == lbracket)
{
// If the previous section was empty, drop it again.
if (section && section->empty())
local.pop_back();
typename Str::size_type end = line.find(rbracket);
if (end == Str::npos)
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"unmatched '['", "", line_no));
Str key = property_tree::detail::trim(
line.substr(1, end - 1), stream.getloc());
if (local.find(key) != local.not_found())
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"duplicate section name", "", line_no));
section = &local.push_back(
std::make_pair(key, Ptree()))->second;
}
else
{
Ptree &container = section ? *section : local;
typename Str::size_type eqpos = line.find(Ch('='));
if (eqpos == Str::npos)
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"'=' character not found in line", "", line_no));
if (eqpos == 0)
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"key expected", "", line_no));
Str key = property_tree::detail::trim(
line.substr(0, eqpos), stream.getloc());
Str data = property_tree::detail::trim(
line.substr(eqpos + 1, Str::npos), stream.getloc());
if (container.find(key) != container.not_found())
BOOST_PROPERTY_TREE_THROW(ini_parser_error(
"duplicate key name", "", line_no));
container.push_back(std::make_pair(key, Ptree(data)));
}
}
}
// If the last section was empty, drop it again.
if (section && section->empty())
local.pop_back();
// Swap local ptree with result ptree
pt.swap(local);
}
