r214:60eecd3fe37a
Sun, 13 Jul 2008 23:05:25
[Not Reviewed]
0 comments (0 inline)
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| ... | ... |
@@ -234,21 +234,21 @@ |
| 234 | 234 |
|
| 235 | 235 |
ArgParser &ArgParser::other(const std::string &name, |
| 236 | 236 |
const std::string &help) |
| 237 | 237 |
{
|
| 238 | 238 |
_others_help.push_back(OtherArg(name,help)); |
| 239 | 239 |
return *this; |
| 240 | 240 |
} |
| 241 | 241 |
|
| 242 |
void ArgParser::show(std::ostream &os,Opts:: |
|
| 242 |
void ArgParser::show(std::ostream &os,Opts::const_iterator i) const |
|
| 243 | 243 |
{
|
| 244 | 244 |
os << "-" << i->first; |
| 245 | 245 |
if(i->second.has_syn) |
| 246 |
for(Opts:: |
|
| 246 |
for(Opts::const_iterator j=_opts.begin();j!=_opts.end();++j) |
|
| 247 | 247 |
if(j->second.syn&&j->second.help==i->first) |
| 248 | 248 |
os << "|-" << j->first; |
| 249 | 249 |
switch(i->second.type) {
|
| 250 | 250 |
case STRING: |
| 251 | 251 |
os << " str"; |
| 252 | 252 |
break; |
| 253 | 253 |
case INTEGER: |
| 254 | 254 |
os << " int"; |
| ... | ... |
@@ -256,110 +256,111 @@ |
| 256 | 256 |
case DOUBLE: |
| 257 | 257 |
os << " num"; |
| 258 | 258 |
break; |
| 259 | 259 |
default: |
| 260 | 260 |
break; |
| 261 | 261 |
} |
| 262 | 262 |
} |
| 263 | 263 |
|
| 264 |
void ArgParser::show(std::ostream &os,Groups:: |
|
| 264 |
void ArgParser::show(std::ostream &os,Groups::const_iterator i) const |
|
| 265 | 265 |
{
|
| 266 |
GroupData::Opts:: |
|
| 266 |
GroupData::Opts::const_iterator o=i->second.opts.begin(); |
|
| 267 | 267 |
while(o!=i->second.opts.end()) {
|
| 268 | 268 |
show(os,_opts.find(*o)); |
| 269 | 269 |
++o; |
| 270 | 270 |
if(o!=i->second.opts.end()) os<<'|'; |
| 271 | 271 |
} |
| 272 | 272 |
} |
| 273 | 273 |
|
| 274 |
void ArgParser::showHelp(Opts:: |
|
| 274 |
void ArgParser::showHelp(Opts::const_iterator i) const |
|
| 275 | 275 |
{
|
| 276 | 276 |
if(i->second.help.size()==0||i->second.syn) return; |
| 277 | 277 |
std::cerr << " "; |
| 278 | 278 |
show(std::cerr,i); |
| 279 | 279 |
std::cerr << std::endl; |
| 280 | 280 |
std::cerr << " " << i->second.help << std::endl; |
| 281 | 281 |
} |
| 282 |
void ArgParser::showHelp(std::vector<ArgParser::OtherArg>:: |
|
| 282 |
void ArgParser::showHelp(std::vector<ArgParser::OtherArg>::const_iterator i) |
|
| 283 |
const |
|
| 283 | 284 |
{
|
| 284 | 285 |
if(i->help.size()==0) return; |
| 285 | 286 |
std::cerr << " " << i->name << std::endl |
| 286 | 287 |
<< " " << i->help << std::endl; |
| 287 | 288 |
} |
| 288 | 289 |
|
| 289 |
void ArgParser::shortHelp() |
|
| 290 |
void ArgParser::shortHelp() const |
|
| 290 | 291 |
{
|
| 291 | 292 |
const unsigned int LINE_LEN=77; |
| 292 | 293 |
const std::string indent(" ");
|
| 293 | 294 |
std::cerr << "Usage:\n " << _command_name; |
| 294 | 295 |
int pos=_command_name.size()+2; |
| 295 |
for(Groups:: |
|
| 296 |
for(Groups::const_iterator g=_groups.begin();g!=_groups.end();++g) {
|
|
| 296 | 297 |
std::ostringstream cstr; |
| 297 | 298 |
cstr << ' '; |
| 298 | 299 |
if(!g->second.mandatory) cstr << '['; |
| 299 | 300 |
show(cstr,g); |
| 300 | 301 |
if(!g->second.mandatory) cstr << ']'; |
| 301 | 302 |
if(pos+cstr.str().size()>LINE_LEN) {
|
| 302 | 303 |
std::cerr << std::endl << indent; |
| 303 | 304 |
pos=indent.size(); |
| 304 | 305 |
} |
| 305 | 306 |
std::cerr << cstr.str(); |
| 306 | 307 |
pos+=cstr.str().size(); |
| 307 | 308 |
} |
| 308 |
for(Opts:: |
|
| 309 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i) |
|
| 309 | 310 |
if(!i->second.ingroup&&!i->second.syn) {
|
| 310 | 311 |
std::ostringstream cstr; |
| 311 | 312 |
cstr << ' '; |
| 312 | 313 |
if(!i->second.mandatory) cstr << '['; |
| 313 | 314 |
show(cstr,i); |
| 314 | 315 |
if(!i->second.mandatory) cstr << ']'; |
| 315 | 316 |
if(pos+cstr.str().size()>LINE_LEN) {
|
| 316 | 317 |
std::cerr << std::endl << indent; |
| 317 | 318 |
pos=indent.size(); |
| 318 | 319 |
} |
| 319 | 320 |
std::cerr << cstr.str(); |
| 320 | 321 |
pos+=cstr.str().size(); |
| 321 | 322 |
} |
| 322 |
for(std::vector<OtherArg>:: |
|
| 323 |
for(std::vector<OtherArg>::const_iterator i=_others_help.begin(); |
|
| 323 | 324 |
i!=_others_help.end();++i) |
| 324 | 325 |
{
|
| 325 | 326 |
std::ostringstream cstr; |
| 326 | 327 |
cstr << ' ' << i->name; |
| 327 | 328 |
|
| 328 | 329 |
if(pos+cstr.str().size()>LINE_LEN) {
|
| 329 | 330 |
std::cerr << std::endl << indent; |
| 330 | 331 |
pos=indent.size(); |
| 331 | 332 |
} |
| 332 | 333 |
std::cerr << cstr.str(); |
| 333 | 334 |
pos+=cstr.str().size(); |
| 334 | 335 |
} |
| 335 | 336 |
std::cerr << std::endl; |
| 336 | 337 |
} |
| 337 | 338 |
|
| 338 |
void ArgParser::showHelp() |
|
| 339 |
void ArgParser::showHelp() const |
|
| 339 | 340 |
{
|
| 340 | 341 |
shortHelp(); |
| 341 | 342 |
std::cerr << "Where:\n"; |
| 342 |
for(std::vector<OtherArg>:: |
|
| 343 |
for(std::vector<OtherArg>::const_iterator i=_others_help.begin(); |
|
| 343 | 344 |
i!=_others_help.end();++i) showHelp(i); |
| 344 |
for(Opts:: |
|
| 345 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i) showHelp(i); |
|
| 345 | 346 |
exit(1); |
| 346 | 347 |
} |
| 347 | 348 |
|
| 348 | 349 |
|
| 349 |
void ArgParser::unknownOpt(std::string arg) |
|
| 350 |
void ArgParser::unknownOpt(std::string arg) const |
|
| 350 | 351 |
{
|
| 351 | 352 |
std::cerr << "\nUnknown option: " << arg << "\n"; |
| 352 | 353 |
std::cerr << "\nType '" << _command_name << |
| 353 | 354 |
" --help' to obtain a short summary on the usage.\n\n"; |
| 354 | 355 |
exit(1); |
| 355 | 356 |
} |
| 356 | 357 |
|
| 357 |
void ArgParser::requiresValue(std::string arg, OptType t) |
|
| 358 |
void ArgParser::requiresValue(std::string arg, OptType t) const |
|
| 358 | 359 |
{
|
| 359 | 360 |
std::cerr << "Argument '" << arg << "' requires a"; |
| 360 | 361 |
switch(t) {
|
| 361 | 362 |
case STRING: |
| 362 | 363 |
std::cerr << " string"; |
| 363 | 364 |
break; |
| 364 | 365 |
case INTEGER: |
| 365 | 366 |
std::cerr << "n integer"; |
| ... | ... |
@@ -370,48 +371,48 @@ |
| 370 | 371 |
default: |
| 371 | 372 |
break; |
| 372 | 373 |
} |
| 373 | 374 |
std::cerr << " value\n\n"; |
| 374 | 375 |
showHelp(); |
| 375 | 376 |
} |
| 376 | 377 |
|
| 377 | 378 |
|
| 378 |
void ArgParser::checkMandatories() |
|
| 379 |
void ArgParser::checkMandatories() const |
|
| 379 | 380 |
{
|
| 380 | 381 |
bool ok=true; |
| 381 |
for(Opts:: |
|
| 382 |
for(Opts::const_iterator i=_opts.begin();i!=_opts.end();++i) |
|
| 382 | 383 |
if(i->second.mandatory&&!i->second.set) |
| 383 | 384 |
{
|
| 384 | 385 |
if(ok) |
| 385 | 386 |
std::cerr << _command_name |
| 386 | 387 |
<< ": The following mandatory arguments are missing.\n"; |
| 387 | 388 |
ok=false; |
| 388 | 389 |
showHelp(i); |
| 389 | 390 |
} |
| 390 |
for(Groups:: |
|
| 391 |
for(Groups::const_iterator i=_groups.begin();i!=_groups.end();++i) |
|
| 391 | 392 |
if(i->second.mandatory||i->second.only_one) |
| 392 | 393 |
{
|
| 393 | 394 |
int set=0; |
| 394 |
for(GroupData::Opts:: |
|
| 395 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin(); |
|
| 395 | 396 |
o!=i->second.opts.end();++o) |
| 396 | 397 |
if(_opts.find(*o)->second.set) ++set; |
| 397 | 398 |
if(i->second.mandatory&&!set) {
|
| 398 | 399 |
std::cerr << _command_name << |
| 399 | 400 |
": At least one of the following arguments is mandatory.\n"; |
| 400 | 401 |
ok=false; |
| 401 |
for(GroupData::Opts:: |
|
| 402 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin(); |
|
| 402 | 403 |
o!=i->second.opts.end();++o) |
| 403 | 404 |
showHelp(_opts.find(*o)); |
| 404 | 405 |
} |
| 405 | 406 |
if(i->second.only_one&&set>1) {
|
| 406 | 407 |
std::cerr << _command_name << |
| 407 | 408 |
": At most one of the following arguments can be given.\n"; |
| 408 | 409 |
ok=false; |
| 409 |
for(GroupData::Opts:: |
|
| 410 |
for(GroupData::Opts::const_iterator o=i->second.opts.begin(); |
|
| 410 | 411 |
o!=i->second.opts.end();++o) |
| 411 | 412 |
showHelp(_opts.find(*o)); |
| 412 | 413 |
} |
| 413 | 414 |
} |
| 414 | 415 |
if(!ok) {
|
| 415 | 416 |
std::cerr << "\nType '" << _command_name << |
| 416 | 417 |
" --help' to obtain a short summary on the usage.\n\n"; |
| 417 | 418 |
exit(1); |
| ... | ... |
@@ -266,117 +266,120 @@ |
| 266 | 266 |
|
| 267 | 267 |
///With this function you can create a synonym \c syn of the |
| 268 | 268 |
///option \c opt. |
| 269 | 269 |
ArgParser &synonym(const std::string &syn, |
| 270 | 270 |
const std::string &opt); |
| 271 | 271 |
|
| 272 | 272 |
///@} |
| 273 | 273 |
|
| 274 |
void show(std::ostream &os,Opts::iterator i); |
|
| 275 |
void show(std::ostream &os,Groups::iterator i); |
|
| 276 |
void showHelp(Opts::iterator i); |
|
| 277 |
void showHelp(std::vector<OtherArg>::iterator i); |
|
| 278 |
void shortHelp(); |
|
| 279 |
void showHelp(); |
|
| 274 |
private: |
|
| 275 |
void show(std::ostream &os,Opts::const_iterator i) const; |
|
| 276 |
void show(std::ostream &os,Groups::const_iterator i) const; |
|
| 277 |
void showHelp(Opts::const_iterator i) const; |
|
| 278 |
void showHelp(std::vector<OtherArg>::const_iterator i) const; |
|
| 280 | 279 |
|
| 281 |
void unknownOpt(std::string arg); |
|
| 280 |
void unknownOpt(std::string arg) const; |
|
| 282 | 281 |
|
| 283 |
void requiresValue(std::string arg, OptType t); |
|
| 284 |
void checkMandatories(); |
|
| 282 |
void requiresValue(std::string arg, OptType t) const; |
|
| 283 |
void checkMandatories() const; |
|
| 284 |
|
|
| 285 |
void shortHelp() const; |
|
| 286 |
void showHelp() const; |
|
| 287 |
public: |
|
| 285 | 288 |
|
| 286 | 289 |
///Start the parsing process |
| 287 | 290 |
ArgParser &parse(); |
| 288 | 291 |
|
| 289 | 292 |
/// Synonym for parse() |
| 290 | 293 |
ArgParser &run() |
| 291 | 294 |
{
|
| 292 | 295 |
return parse(); |
| 293 | 296 |
} |
| 294 | 297 |
|
| 295 | 298 |
///Give back the command name (the 0th argument) |
| 296 |
const std::string &commandName() { return _command_name; }
|
|
| 299 |
const std::string &commandName() const { return _command_name; }
|
|
| 297 | 300 |
|
| 298 | 301 |
///Check if an opion has been given to the command. |
| 299 |
bool given(std::string op) |
|
| 302 |
bool given(std::string op) const |
|
| 300 | 303 |
{
|
| 301 |
Opts:: |
|
| 304 |
Opts::const_iterator i = _opts.find(op); |
|
| 302 | 305 |
return i!=_opts.end()?i->second.set:false; |
| 303 | 306 |
} |
| 304 | 307 |
|
| 305 | 308 |
|
| 306 | 309 |
///Magic type for operator[] |
| 307 | 310 |
|
| 308 | 311 |
///This is the type of the return value of ArgParser::operator[](). |
| 309 | 312 |
///It automatically converts to \c int, \c double, \c bool or |
| 310 | 313 |
///\c std::string if the type of the option matches, otherwise it |
| 311 | 314 |
///throws an exception (i.e. it performs runtime type checking). |
| 312 | 315 |
class RefType |
| 313 | 316 |
{
|
| 314 |
ArgParser &_parser; |
|
| 317 |
const ArgParser &_parser; |
|
| 315 | 318 |
std::string _name; |
| 316 | 319 |
public: |
| 317 | 320 |
///\e |
| 318 |
RefType(ArgParser &p,const std::string &n) :_parser(p),_name(n) {}
|
|
| 321 |
RefType(const ArgParser &p,const std::string &n) :_parser(p),_name(n) {}
|
|
| 319 | 322 |
///\e |
| 320 | 323 |
operator bool() |
| 321 | 324 |
{
|
| 322 |
Opts:: |
|
| 325 |
Opts::const_iterator i = _parser._opts.find(_name); |
|
| 323 | 326 |
LEMON_ASSERT(i!=_parser._opts.end(), |
| 324 | 327 |
std::string()+"Unkown option: '"+_name+"'"); |
| 325 | 328 |
LEMON_ASSERT(i->second.type==ArgParser::BOOL, |
| 326 | 329 |
std::string()+"'"+_name+"' is a bool option"); |
| 327 | 330 |
return *(i->second.bool_p); |
| 328 | 331 |
} |
| 329 | 332 |
///\e |
| 330 | 333 |
operator std::string() |
| 331 | 334 |
{
|
| 332 |
Opts:: |
|
| 335 |
Opts::const_iterator i = _parser._opts.find(_name); |
|
| 333 | 336 |
LEMON_ASSERT(i!=_parser._opts.end(), |
| 334 | 337 |
std::string()+"Unkown option: '"+_name+"'"); |
| 335 | 338 |
LEMON_ASSERT(i->second.type==ArgParser::STRING, |
| 336 | 339 |
std::string()+"'"+_name+"' is a string option"); |
| 337 | 340 |
return *(i->second.string_p); |
| 338 | 341 |
} |
| 339 | 342 |
///\e |
| 340 | 343 |
operator double() |
| 341 | 344 |
{
|
| 342 |
Opts:: |
|
| 345 |
Opts::const_iterator i = _parser._opts.find(_name); |
|
| 343 | 346 |
LEMON_ASSERT(i!=_parser._opts.end(), |
| 344 | 347 |
std::string()+"Unkown option: '"+_name+"'"); |
| 345 | 348 |
LEMON_ASSERT(i->second.type==ArgParser::DOUBLE || |
| 346 | 349 |
i->second.type==ArgParser::INTEGER, |
| 347 | 350 |
std::string()+"'"+_name+"' is a floating point option"); |
| 348 | 351 |
return i->second.type==ArgParser::DOUBLE ? |
| 349 | 352 |
*(i->second.double_p) : *(i->second.int_p); |
| 350 | 353 |
} |
| 351 | 354 |
///\e |
| 352 | 355 |
operator int() |
| 353 | 356 |
{
|
| 354 |
Opts:: |
|
| 357 |
Opts::const_iterator i = _parser._opts.find(_name); |
|
| 355 | 358 |
LEMON_ASSERT(i!=_parser._opts.end(), |
| 356 | 359 |
std::string()+"Unkown option: '"+_name+"'"); |
| 357 | 360 |
LEMON_ASSERT(i->second.type==ArgParser::INTEGER, |
| 358 | 361 |
std::string()+"'"+_name+"' is an integer option"); |
| 359 | 362 |
return *(i->second.int_p); |
| 360 | 363 |
} |
| 361 | 364 |
|
| 362 | 365 |
}; |
| 363 | 366 |
|
| 364 | 367 |
///Give back the value of an option |
| 365 | 368 |
|
| 366 | 369 |
///Give back the value of an option. |
| 367 | 370 |
///\sa RefType |
| 368 |
RefType operator[](const std::string &n) |
|
| 371 |
RefType operator[](const std::string &n) const |
|
| 369 | 372 |
{
|
| 370 | 373 |
return RefType(*this, n); |
| 371 | 374 |
} |
| 372 | 375 |
|
| 373 | 376 |
///Give back the non-option type arguments. |
| 374 | 377 |
|
| 375 | 378 |
///Give back a reference to a vector consisting of the program arguments |
| 376 | 379 |
///not starting with a '-' character. |
| 377 |
std::vector<std::string> &files() { return _file_args; }
|
|
| 380 |
const std::vector<std::string> &files() const { return _file_args; }
|
|
| 378 | 381 |
|
| 379 | 382 |
}; |
| 380 | 383 |
} |
| 381 | 384 |
|
| 382 | 385 |
#endif // LEMON_ARG_PARSER |
0 comments (0 inline)