use clap::*;
use intspan::*;
use serde_yaml::Value;
use std::collections::BTreeMap;
pub fn make_subcommand<'a>() -> Command<'a> {
Command::new("span")
.about("Operate spans in a YAML file")
.after_help(
r###"
List of operations
* cover: a single span from min to max
* holes: all the holes in runlist
* trim: remove N integers from each end of each span of runlist
* pad: add N integers from each end of each span of runlist
* excise: remove all spans smaller than N
* fill: fill in all holes smaller than or equals to N
"###,
)
.arg(
Arg::new("infile")
.help("Sets the input file to use")
.required(true)
.index(1),
)
.arg(
Arg::new("op")
.long("op")
.takes_value(true)
.default_value("cover")
.forbid_empty_values(true)
.help("operations: cover, holes, trim, pad, excise or fill"),
)
.arg(
Arg::new("number")
.long("number")
.short('n')
.takes_value(true)
.default_value("0")
.forbid_empty_values(true),
)
.arg(
Arg::new("outfile")
.short('o')
.long("outfile")
.takes_value(true)
.default_value("stdout")
.forbid_empty_values(true)
.help("Output filename. [stdout] for screen"),
)
}
pub fn execute(args: &ArgMatches) -> std::result::Result<(), Box<dyn std::error::Error>> {
let yaml: BTreeMap<String, Value> = read_yaml(args.value_of("infile").unwrap());
let is_multi: bool = yaml.values().next().unwrap().is_mapping();
let set_of = yaml2set_m(&yaml);
let op = args.value_of("op").unwrap();
let number: i32 = args.value_of_t("number").unwrap_or_else(|e| {
eprintln!("Need a integer for --number\n{}", e);
std::process::exit(1)
});
let mut res_of: BTreeMap<String, BTreeMap<String, IntSpan>> = BTreeMap::new();
for (name, set) in &set_of {
let mut res: BTreeMap<String, IntSpan> = BTreeMap::new();
for chr in set.keys() {
let intspan = match op {
"cover" => set.get(chr).unwrap().cover(),
"holes" => set.get(chr).unwrap().holes(),
"trim" => set.get(chr).unwrap().trim(number),
"pad" => set.get(chr).unwrap().pad(number),
"excise" => set.get(chr).unwrap().excise(number),
"fill" => set.get(chr).unwrap().fill(number),
_ => panic!("Invalid IntSpan Op"),
};
res.insert(chr.into(), intspan);
}
res_of.insert(name.into(), res);
}
let out_yaml = if is_multi {
set2yaml_m(&res_of)
} else {
set2yaml(res_of.get("__single").unwrap())
};
write_yaml(args.value_of("outfile").unwrap(), &out_yaml)?;
Ok(())
}