An extension of QCommandlineParser to make context based CLIs easier
- Similar API to QCommandlineParser
- Works by creating command trees
- each tree node can have multiple sub-nodes of any kind
- each tree node can define additional optional arguments
- each tree leaf can define it's own positional arguments
The package is provided via qdep, as Skycoder42/QCliParser. To use it simply:
- Install and enable qdep (See qdep - Installing)
- Add the following to your pro file:
QDEP_DEPENDS += Skycoder42/QCliParser
!load(qdep):error("Failed to load qdep feature! Run 'qdep.py prfgen --qmake $$QMAKE_QMAKE' to create it.")Assume the following application:
QCoreApplication a(argc, argv);
QCliParser parser;
parser.addVersionOption();
parser.addHelpOption();
auto leafNode = parser.addLeafNode("leaf", "a leaf command");
leafNode->addPositionalArgument("stuff", "some positional args");
auto ctxNode = parser.addContextNode("context", "a context command");
ctxNode->addOption({"option", "some extra option"});
auto subNode1 = ctxNode->addLeafNode("sub1", "the first sub command");
auto subNode2 = ctxNode->addLeafNode("sub2", "the second sub command");
parser.process(a);
if(parser.enterContext("leaf"))
qDebug() << "leaf was called with args:" << parser.positionalArguments();
else if(parser.enterContext("context") {
qDebug() << "option set:" << parser.isSet("option");
if(parser.enterContext("sub1"))
qDebug() << "context sub1";
else if(parser.enterContext("sub2"))
qDebug() << "context sub2";
}Some examples of calling this with the corresponding output would be (newlines replaced by ;):
leaf 1 2 3:leaf was called with args: ("1", "2", "3")context sub1:option set: false; context sub1context --option sub2:option set: true; context sub2
For a full example, check the demo.
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