diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2020-04-08 14:51:57 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2020-04-27 11:38:53 +0300 |
commit | 720c5a33b6a49cf328fdd7611f49153cf8f60247 (patch) | |
tree | 9725f3d1f42ec90fde84520f49647edea013ce5e /cli-examples/file/README | |
parent | 3183f3bb927a90783ae0aeaf190a0919377aabe4 (diff) |
Separate tests and examples into individual packages
Also make cli module to be explicitly enabled via the config.cli configuration
variable.
Diffstat (limited to 'cli-examples/file/README')
-rw-r--r-- | cli-examples/file/README | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/cli-examples/file/README b/cli-examples/file/README new file mode 100644 index 0000000..289fc64 --- /dev/null +++ b/cli-examples/file/README @@ -0,0 +1,38 @@ +This example shows how to allow the users of your application to supply +options in files in addition to the command line. + +The example consists of the following files: + +options.cli + Command line interface description in the CLI language. + +options.hxx +options.ixx +options.cxx + Command line interface implementation in C++. These files are generated + by the CLI compiler from options.cli using the following command line: + + cli --generate-file-scanner hello.cli + + We use the --generate-file-scanner CLI compiler option to include the + argv_file_scanner scanner implementation which provides support for + reading options from files in addition to the command line. + +driver.cxx + Driver for the example. It first creates the argv_file_scanner object + and indicates that the values for the --options-file option should be + recognized as files containing additional options. It then passes this + scanner object to the option class which parses the command line. The + driver then prints the option values. + +test.ops + Sample options file. + +To run this example you can try the following command line: + +$ ./driver --verbose 2 --val 1 --options-file test.ops --val 4 + +The output will be: + +verbosity: 5 +values: 1 2 3 4 |