/*! Writes the command `c` (with all embedded comments) a terminating ; will be written if any tokens are written. */
bool WriteCommandAsNexus(std::ostream & out, const ProcessedNxsCommand &c)
{
if (c.empty())
return false;
out << " "; /* command indentation - 1 space*/
for(ProcessedNxsCommand::const_iterator cIt = c.begin(); cIt != c.end(); ++cIt)
{
out << ' ';
cIt->WriteAsNexus(out);
}
out << ";";
return true;
}
void NxsBlock::DemandEquals(ProcessedNxsCommand::const_iterator & tokIt, const ProcessedNxsCommand::const_iterator & endIt, const char *contextString) const
{
++tokIt;
if (tokIt == endIt)
{
errormsg = "Expecting '=' ";
if (contextString)
errormsg.append(contextString);
errormsg << " but found ; instead";
--tokIt;
throw NxsException(errormsg, *tokIt);
}
if (!tokIt->Equals("="))
{
errormsg = "Expecting '=' ";
if (contextString)
errormsg.append(contextString);
errormsg << " but found " << tokIt->GetToken() << " instead";
throw NxsException(errormsg, *tokIt);
}
}
std::map<std::string, std::string> NxsToken::ParseAsSimpleKeyValuePairs(const ProcessedNxsCommand & tv, const char *cmdName)
{
std::map<std::string, std::string> kv;
std::string key;
ProcessedNxsCommand::const_iterator tvIt = tv.begin();
ProcessedNxsCommand::const_iterator prevIt;
ProcessedNxsCommand::const_iterator endIt = tv.end();
while (tvIt != endIt)
{
key = tvIt->GetToken().c_str();
prevIt = tvIt++;
if (tvIt == endIt || tvIt->GetToken() != "=")
{
NxsString m("Expecting = after ");
m += key.c_str();
m += " in ";
m += cmdName;
m += " command.";
if (tvIt == endIt)
throw NxsException(m, prevIt->GetFilePosition(), prevIt->GetLineNumber(), prevIt->GetColumnNumber());
else
throw NxsException(m, tvIt->GetFilePosition(), tvIt->GetLineNumber(), tvIt->GetColumnNumber());
}
prevIt = tvIt++;
if (tvIt == endIt)
{
NxsString m("Expecting a value after = in the ");
m += key.c_str();
m += " subcommand of the in ";
m += cmdName;
m += " command.";
throw NxsException(m, prevIt->GetFilePosition(), prevIt->GetLineNumber(), prevIt->GetColumnNumber());
}
kv[key] = tvIt->GetToken();
tvIt++;
}
return kv;
}