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/*!
the mark up text with cycling color program.
# Features
- mark up text with cycling color.
- minimum support rustc 1.56.1 (59eed8a2a 2021-11-01)
# Command help
```text
aki-mcycle --help
```
```text
Usage:
aki-mcycle [options]
mark up text with the cyclic color.
Options:
-e, --exp <exp> write it in the cyclic color (default: ' ([0-9A-Z]{3,}):')
-H, --help display this help and exit
-V, --version display version information and exit
Option Parameters:
<exp> regular expression, color the entire match with the cyclic color.
Environments:
AKI_MCYCLE_COLOR_SEQ_RED_ST red start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_GREEN_ST green start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_BLUE_ST blue start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_CYAN_ST cyan start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_MAGENDA_ST magenda start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_YELLOW_ST yellow start sequence specified by ansi
AKI_MCYCLE_COLOR_SEQ_ED color end sequence specified by ansi
```
# Quick install
1. you can install this into cargo bin path:
```text
cargo install aki-mcycle
```
2. you can build debian package:
```text
cargo deb
```
and install **.deb** into your local repository of debian package.
# Examples
## Command line example 1
Extract "`arm`" from the rustup target list and make "`linux-[^ ]+`" **color**.
- 1st match: makes '`linux-musl`' **red**
- 2nd match: makes '`linux-musleabi`' **green**
- 3rd match: makes '`linux-musleabihf`' **blue**
- 4th match: makes '`linux-muslabi64`' **cyan**
```text
rustup target list | aki-mline -e arm | aki-mcycle -e "linux-[^ ]+"
```
result output :
![out rustup image]
[out rustup image]: https://raw.githubusercontent.com/aki-akaguma/aki-mcycle/main/img/out-rustup-1.png
- [aki-mline](https://crates.io/crates/aki-mline): extract match line command like grep.
# Library example
See [`fn execute()`] for this library examples.
[`fn execute()`]: crate::execute
*/
#[macro_use]
extern crate anyhow;
pub mod conf;
mod run;
mod util;
use flood_tide::HelpVersion;
use runnel::*;
use std::io::Write;
const TRY_HELP_MSG: &str = "Try --help for help.";
///
/// execute mcycle
///
/// params:
/// - sioe: stream in/out/err
/// - program: program name. etc. "mcycle"
/// - args: parameter arguments.
///
/// return:
/// - ok: ()
/// - err: anyhow
///
/// example:
///
/// ```
/// use runnel::RunnelIoeBuilder;
///
/// let r = libaki_mcycle::execute(&RunnelIoeBuilder::new().build(),
/// "mcycle", &["-e", "Message: *[^ ]+"]);
/// ```
///
pub fn execute(sioe: &RunnelIoe, prog_name: &str, args: &[&str]) -> anyhow::Result<()> {
let env = conf::EnvConf::new();
execute_env(sioe, prog_name, args, &env)
}
pub fn execute_env(
sioe: &RunnelIoe,
prog_name: &str,
args: &[&str],
env: &conf::EnvConf,
) -> anyhow::Result<()> {
let conf = match conf::parse_cmdopts(prog_name, args) {
Ok(conf) => conf,
Err(errs) => {
for err in errs.iter().take(1) {
if err.is_help() || err.is_version() {
let _r = sioe.pout().lock().write_fmt(format_args!("{err}\n"));
return Ok(());
}
}
return Err(anyhow!("{}\n{}", errs, TRY_HELP_MSG));
}
};
run::run(sioe, &conf, env)
}