diff options
Diffstat (limited to 'cli-examples/features/options.cli')
-rw-r--r-- | cli-examples/features/options.cli | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/cli-examples/features/options.cli b/cli-examples/features/options.cli new file mode 100644 index 0000000..ea055b3 --- /dev/null +++ b/cli-examples/features/options.cli @@ -0,0 +1,39 @@ +include <set>; +include <map>; +include <vector>; +include <string>; + +// We can place the options classes into namespaces which mapped to C++ +// namespaces. +// +namespace features +{ + class options + { + // We can have several aliases for the same option. The first one is used + // to derive the accessor name. + // + std::string --out-dir | -o; + + // We can use both assignment and constructor notations to provide the + // default option value. + // + std::string --first-name = "John"; + std::string --last-name ("Mr John Doe", 8, 3); + + // We can use containers to to collect option value. If we have a command + // line like this: -v 1 -v 2 -v 1 -s 1 -s 2 -s 1 then the vector returned + // by the vector() accessor will contain three elements: 1, 2, and 1 while + // the set returned by the set() accessor will contain two elements: 1 and + // 2. + // + std::vector<int> --vector | -v; + std::set<int> --set | -s; + + // We can also use maps. In this case the option value is expected to have + // two parts: the key and the value, separated by '='. For example: -m a=A + // -m =B -m c= -m d (same as -m d=). + // + std::map<std::string, std::string> --map | -m; + }; +} |