docopt2ragel makes command line interface parsing easy!
docopt2ragel parses docopt USAGE text and outputs a Ragel finite state machine for parsing the CLI.
You can then use Ragel to output the finite state machine into C source code.
Example
Create a USAGE file using docopt’s declarative format. See below for example contents:
dq - a command line tool for duraqueue the dead simple queue
Usage:
dq info <queue_file>
dq --help
Options:
-h --help Prints a short usage summary.Convert the USAGE file into a Ragel file:
docopt2ragel.py USAGE > usage.rlConvert the Ragel file into a C file:
ragel usage.rlImport the generated file into your source:
#include "usage.c"
int main(int argc, char **argv)
{
int e;
options_t opts;
e = parse_options(argc, argv, &opts);
if (-1 == e)
{
exit(-1);
}
void *qu = NULL;
if (opts.help)
{
show_usage();
exit(0);
}
else if (opts.info)
{
qu = dqueuer_open(opts.queue_file);
}
if (qu)
printf("Item count: %d\n", dqueue_count(qu));
return 1;
}For real life examples see:
1 maintainer
Metadata
1 maintainer
Release files for docopt2ragel 0.1.4
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | Actions |
|---|---|---|---|---|
| docopt2ragel-0.1.4.tar.gz | 4.9 kB | Without provenance | Details for docopt2ragel-0.1.4.tar.gz |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Actions Reset |
|---|---|---|---|---|
| docopt2ragel-0.1.4-py2.py3-none-any.whl | Python 2, Python 3 | none | any | Details for docopt2ragel-0.1.4-py2.py3-none-any.whl |
Total release size: 11.8 kB
Release files / docopt2ragel-0.1.4.tar.gz
| Download URL | docopt2ragel-0.1.4.tar.gz |
|---|---|
| Size | 4.9 kB |
| Tags | Source |
|
SHA-256 checksum How to use checksums |
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Release files / docopt2ragel-0.1.4-py2.py3-none-any.whl
| Download URL | docopt2ragel-0.1.4-py2.py3-none-any.whl |
|---|---|
| Size | 6.9 kB |
| Tags | Python 2 Python 3 |
|
SHA-256 checksum How to use checksums |
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BLAKE2b-256 checksum How to use checksums |
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Uploaded using Trusted Publishing? What is trusted publishing? |
No |
Security for docopt2ragel 0.1.4
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