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// This file is released into Public Domain.
use argparse_rs::*;
use gnuplot::*;
use std::env;
#[derive(Copy, Clone)]
pub struct BetterIterator<'l, T: 'l>
{
idx: usize,
slice: &'l [T],
}
impl<'l, T: 'l> Iterator for BetterIterator<'l, T>
{
type Item = &'l T;
fn next(&mut self) -> Option<&'l T>
{
let ret = self.slice.get(self.idx);
self.idx += 1;
ret
}
}
pub trait BetterIteratorExt<'l, T>
{
fn iter2(self) -> BetterIterator<'l, T>;
}
impl<'l, T: 'l> BetterIteratorExt<'l, T> for &'l [T]
{
fn iter2(self) -> BetterIterator<'l, T>
{
BetterIterator {
idx: 0,
slice: self,
}
}
}
pub struct Common
{
pub no_show: bool,
pub term: Option<String>,
pub extension: String,
}
impl Common
{
pub fn new() -> Option<Common>
{
let arg_vec: Vec<_> = env::args().collect();
let mut args = ArgParser::new(arg_vec[0].clone());
args.add_opt(
"no-show",
Some("false"),
'n',
false,
"do not run the gnuplot process.",
ArgType::Flag,
);
args.add_opt(
"terminal",
None,
't',
false,
"specify what terminal to use for gnuplot.",
ArgType::Option,
);
args.add_opt(
"extension",
None,
'e',
false,
"specify what extension the output file should have. Default: 'out'",
ArgType::Option,
);
let res = args.parse(arg_vec.iter()).unwrap();
if res.get("help").unwrap_or(false)
{
args.help();
return None;
}
Some(Common {
no_show: res.get("no-show").unwrap(),
term: res.get::<String>("terminal").map(|s| s.to_string()),
extension: res.get::<String>("extension").unwrap_or("out".to_string()),
})
}
pub fn show(&self, fg: &mut Figure, filename: &str)
{
self.term.as_ref().map(|t| {
fg.set_terminal(&t, &format!("{}.{}", filename, self.extension));
});
if !self.no_show
{
fg.show().unwrap();
}
fg.echo_to_file(&format!("{}.gnuplot", filename));
}
}
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