void FileServe::streamUntil(WStringStream& out, const std::string& until)
{
std::string currentVar;
bool readingVar = false;
int start = currentPos_;
int noMatchConditions = 0;
for (; template_[currentPos_]; ++currentPos_) {
const char *s = template_ + currentPos_;
if (readingVar) {
if (std::strncmp(s, "_$_", 3) == 0) {
if (currentVar[0] == '$') {
std::size_t _pos = currentVar.find('_');
std::string fname = currentVar.substr(1, _pos - 1);
currentPos_ += 2; // skip ()
if (fname == "endif") {
if (noMatchConditions)
--noMatchConditions;
} else {
std::string farg = currentVar.substr(_pos + 1);
std::map<std::string, bool>::const_iterator
i = conditions_.find(farg);
if (i == conditions_.end())
throw WException("Internal error: could not find condition: "
+ farg);
bool c = i->second;
if (fname == "if")
;
else if (fname == "ifnot")
c = !c;
if (!c || noMatchConditions)
++noMatchConditions;
}
} else {
if (currentVar == until) {
currentPos_ += 3;
return;
}
std::map<std::string, std::string>::const_iterator i
= vars_.find(currentVar);
if (i == vars_.end())
throw WException("Internal error: could not find variable: "
+ currentVar);
if (!noMatchConditions)
out << i->second;
}
readingVar = false;
start = currentPos_ + 3;
currentPos_ += 2;
} else
currentVar.push_back(*s);
} else {
if (std::strncmp(s, "_$_", 3) == 0) {
if (!noMatchConditions && (currentPos_ - start > 0))
out.append(template_ + start, currentPos_ - start);
currentPos_ += 2;
readingVar = true;
currentVar.clear();
}
}
}
if (!noMatchConditions && (currentPos_ - start > 0))
out.append(template_ + start, currentPos_ - start);
}
