bool
OptionsCont::set(const std::string &name, bool value) throw(InvalidArgument) {
Option *o = getSecure(name);
if (!o->isBool()) {
throw InvalidArgument("The option '" + name + "' is not a boolean attribute and requires an argument.");
}
if (!o->isWriteable()) {
reportDoubleSetting(name);
return false;
}
try {
if (!o->set(value)) {
return false;
}
} catch (InvalidArgument &e) {
MsgHandler::getErrorInstance()->inform("While processing option '" + name + "':\n " + e.what());
return false;
}
return true;
}
void
OptionsCont::printHelp(std::ostream &os) throw() {
std::vector<std::string>::const_iterator i, j;
// print application description
os << ' ' << std::endl;
splitLines(os, myAppDescription , 0, 0);
os << std::endl;
// print usage BNF
os << "Usage: " << myAppName << " [OPTION]*" << std::endl;
os << ' ' << std::endl;
// print usage examples
if (myCallExamples.size()>1) {
os << " Examples:" << std::endl;
} else if (myCallExamples.size()!=0) {
os << " Example:" << std::endl;
}
if (myCallExamples.size()!=0) {
for (i=myCallExamples.begin(); i!=myCallExamples.end(); ++i) {
os << " " << myAppName << ' ' << (*i) << std::endl;
}
}
os << ' ' << std::endl;
// print additional text if any
if (myAdditionalMessage.length()>0) {
os << myAdditionalMessage << std::endl << ' ' << std::endl;
}
// print the options
// check their sizes first
// we want to know how large the largest not-too-large-entry will be
size_t tooLarge = 40;
size_t maxSize = 0;
for (i=mySubTopics.begin(); i!=mySubTopics.end(); ++i) {
const std::vector<std::string> &entries = mySubTopicEntries[*i];
for (j=entries.begin(); j!=entries.end(); ++j) {
Option *o = getSecure(*j);
// name, two leading spaces and "--"
size_t csize = (*j).length() + 2 + 4;
// abbreviation length ("-X, "->4chars) if any
std::vector<std::string> synonymes = getSynonymes(*j);
if (find_if(synonymes.begin(), synonymes.end(), abbreviation_finder())!=synonymes.end()) {
csize += 4;
}
// the type name
if (!o->isBool()) {
csize += 1 + o->getTypeName().length();
}
// divider
csize += 2;
if (csize<tooLarge&&maxSize<csize) {
maxSize = csize;
}
}
}
for (i=mySubTopics.begin(); i!=mySubTopics.end(); ++i) {
os << ' ' << *i << " Options:" << std::endl;
const std::vector<std::string> &entries = mySubTopicEntries[*i];
for (j=entries.begin(); j!=entries.end(); ++j) {
// start length computation
size_t csize = (*j).length() + 2;
Option *o = getSecure(*j);
os << " ";
// write abbreviation if given
std::vector<std::string> synonymes = getSynonymes(*j);
std::vector<std::string>::iterator a = find_if(synonymes.begin(), synonymes.end(), abbreviation_finder());
if (a!=synonymes.end()) {
os << '-' << (*a) << ", ";
csize += 4;
}
// write leading '-'/"--"
os << "--";
csize += 2;
// write the name
os << *j;
// write the type if not a bool option
if (!o->isBool()) {
os << ' ' << o->getTypeName();
csize += 1 + o->getTypeName().length();
}
csize += 2;
// write the description formatting it
os << " ";
size_t r;
for (r=maxSize; r>csize; --r) {
os << ' ';
}
std::string desc = o->getDescription();
size_t offset = csize > tooLarge ? csize : maxSize;
splitLines(os, desc, offset, maxSize);
}
os << std::endl;
}
}
bool
OptionsCont::isBool(const std::string &name) const throw(InvalidArgument) {
Option *o = getSecure(name);
return o->isBool();
}
bool
OptionsCont::isBool(const std::string& name) const {
Option* o = getSecure(name);
return o->isBool();
}
