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* Add all_str function to enums generated by Enum! macroRobin Krahl2020-01-07
| | | | | | | | | To make it easier to list all possible values for a command-line option mapped to an enum, we add the all_str function to the Enum! macro that returns an array of the string representations of all variants. We also use this new function to simplify the generation of the error message in the FromStr implementation in Enum!.
* Use closures instead of command functionsRobin Krahl2020-01-07
| | | | | To simplify the code, this patch replaces the one-line argument handling functions with closures.
* Remove str argument from Command! macroRobin Krahl2020-01-07
| | | | | | | As we no longer have to implement the Display and AsRef traits for the enums generated with the Command! macro, we don’t have to set a string representation either. So we can drop this argument from the Command! macro.
* Remove unused code after structopt transitionRobin Krahl2020-01-07
| | | | | | In the previous patches, we replaced argparse with structopt and removed the argparse dependency. This patch removes the code that was only needed for argparse.
* Replace argparse with structoptRobin Krahl2020-01-07
| | | | | | | | | | | | This patch changes the argument handling code to use structopt instead of argparse using the data structures we introduced in the last patch. As part of that transition we replace the old Error::ArgparseError variant with ClapError that stores a structopt::clap::Error. Because of that replacement, the format of the help messages changed, breaking some of the tests. Hence, this change adapts them accordingly. Also clap currently prints the version output to stdout, so we ignore the version_option test case for now.
* Add data structures for the options and argumentsRobin Krahl2020-01-07
| | | | | | This patch introduces new structs that can be used with structopt to store the options and arguments parsed from the command line. These structs use the existing enums and command structs.
* Derive structopt::StructOpt in Command!Robin Krahl2020-01-07
| | | | | | As a preparation for the structopt transition, we derive StructOpt for the enums generated by Command! so that they can be used as a subcommand.
* Implement Default in the Enum! and Command! macrosRobin Krahl2020-01-07
| | | | | | | For the transition to structopt, we have to be able to easily construct enum variants once we have added fields to them. Therefore we implement the Default trait in the generated macros by choosing the first variant as the default.
* Allow adding fields to an enum variant in Command!Robin Krahl2020-01-07
| | | | | | To be able to use the enums generated by Command! with structopt, we have to be able to add fields to them. This patch adds a new variant to the Command! macro that supports fields.
* Factor out Enum! and Command! macros in arg_utilRobin Krahl2020-01-07
| | | | | For easier refactoring, we remove the internal enum_int! macro and instead copy its code to the Enum! and Command! macros.
* Use strings instead of Command variantsRobin Krahl2020-01-07
| | | | | | | | | In one of the next patches, we will add fields to some Command variants to be able to use them with structopt. Then we will no longer be able to instantiate them directly, so we replace these instances for the transition. This patch also removes the cmd_help! macro that is no longer needed.
* arg_util: Change Err type in FromStr implementationRobin Krahl2020-01-07
| | | | | structopt requires that FromStr::Err implements std::fmt::Display. Therefore we now return a String that contains a list of allowed values.
* Refactor the Enum! macro into Enum! and Command!Robin Krahl2020-01-07
| | | | | | For an easier transition to structopt, this patch splits the two cases of the Enum! macro into two separate macros (that internally both call the new enum_int! macro).
* Move nitrocli source code into repository rootDaniel Mueller2020-04-04
Now that all vendored dependencies have been removed, this change moves the program's source code from the nitrocli/ directory into the root of the repository.