use clap::*;
use intspan::*;
use serde_json::Value;
use std::collections::BTreeMap;
pub fn make_subcommand() -> Command {
Command::new("combine")
.about("Combine multiple sets of runlists in a json file")
.after_help(
r###"
It's expected that the JSON file contains multiple sets of runlists,
otherwise this command will make no effects
"###,
)
.arg(
Arg::new("infile")
.required(true)
.index(1)
.help("Sets the input file to use"),
)
.arg(
Arg::new("op")
.long("op")
.num_args(1)
.default_value("union")
.value_parser(clap::builder::NonEmptyStringValueParser::new())
.help("Operations: intersect, union, diff or xor"),
)
.arg(
Arg::new("outfile")
.long("outfile")
.short('o')
.num_args(1)
.default_value("stdout")
.help("Output filename. [stdout] for screen"),
)
}
pub fn execute(args: &ArgMatches) -> anyhow::Result<()> {
let json: BTreeMap<String, Value> = read_json(args.get_one::<String>("infile").unwrap());
let s_of = json2set_m(&json);
let chrs = chrs_in_sets(&s_of);
let op = args.get_one::<String>("op").unwrap().as_str();
let mut res: BTreeMap<String, IntSpan> = BTreeMap::new();
fill_up_s(&mut res, &chrs);
let names: Vec<_> = s_of.keys().cloned().collect();
let first = names[0].clone();
for name in names {
let set = s_of.get(name.as_str()).unwrap();
for chr in set.keys() {
if name == first {
let intspan = set.get(chr).unwrap();
res.entry(chr.to_string()).and_modify(|e| e.merge(intspan));
} else {
let mut intspan_op = res.get(chr).unwrap().copy();
intspan_op = match op {
"intersect" => intspan_op.intersect(set.get(chr).unwrap()),
"diff" => intspan_op.diff(set.get(chr).unwrap()),
"union" => intspan_op.union(set.get(chr).unwrap()),
"xor" => intspan_op.xor(set.get(chr).unwrap()),
_ => panic!("Invalid IntSpan Op"),
};
res.insert(chr.into(), intspan_op);
}
}
}
let out_json = set2json(&res);
write_json(args.get_one::<String>("outfile").unwrap(), &out_json)?;
Ok(())
}