bool Convert(const std::string& input, bool& b)
{
// we can't use iostream bool extraction operators as they don't
// recognize all possible values in the table below (taken from
// http://yaml.org/type/bool.html)
static const struct {
std::string truename, falsename;
} names[] = {
{ "y", "n" },
{ "yes", "no" },
{ "true", "false" },
{ "on", "off" },
};
if(!IsFlexibleCase(input))
return false;
for(unsigned i=0;i<sizeof(names)/sizeof(names[0]);i++) {
if(names[i].truename == tolower(input)) {
b = true;
return true;
}
if(names[i].falsename == tolower(input)) {
b = false;
return true;
}
}
return false;
}
bool convert<bool>::decode(const Node& node, bool& rhs) {
if (!node.IsScalar())
return false;
// we can't use iostream bool extraction operators as they don't
// recognize all possible values in the table below (taken from
// http://yaml.org/type/bool.html)
static const struct {
std::string truename, falsename;
} names[] = {{"y", "n"}, {"yes", "no"}, {"true", "false"}, {"on", "off"}, };
if (!IsFlexibleCase(node.Scalar()))
return false;
for (unsigned i = 0; i < sizeof(names) / sizeof(names[0]); i++) {
if (names[i].truename == tolower(node.Scalar())) {
rhs = true;
return true;
}
if (names[i].falsename == tolower(node.Scalar())) {
rhs = false;
return true;
}
}
return false;
}
