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use crate::Counters;
use crate::filters::Select;
use std::io;
use std::cell::RefCell;
#[derive(Clone, Debug)]
pub struct Table {
labels: Vec<&'static str>,
rows: RefCell<Vec<Counters>>,
}
impl Table {
pub fn new(label_slice: &[&'static str]) -> Self {
let mut labels = Vec::new();
labels.extend_from_slice(label_slice);
Table {
labels,
rows: RefCell::new(Vec::new()),
}
}
pub fn add_row(&self, row: &Counters) -> usize {
let row = row.clone();
row.retain(Select(|ref key, _| self.labels.iter().any(|label| label == key) ));
self.rows.borrow_mut().push(row);
self.rows.borrow().len()
}
pub fn print(&self, to: &mut io::Write) -> io::Result<()> {
for (i, label) in self.labels.iter().enumerate() {
if i != 0 {
write!(to, ",")?;
}
write!(to, "{}", label)?;
}
writeln!(to, "")?;
for row in self.rows.borrow().iter() {
for (i, label) in self.labels.iter().enumerate() {
if i != 0 {
write!(to, ", ")?;
}
write!(to, "{}", row.get(label))?;
}
writeln!(to, "")?;
}
Ok(())
}
pub fn print_to_stdout(&self) {
self.print(&mut io::stdout()).unwrap();
}
}
#[cfg(feature = "dummy_serialization")]
use serde::{Serialize, Deserialize};
#[cfg(feature = "dummy_serialization")]
use crate::Dummy;
#[cfg(feature = "dummy_serialization")]
impl Serialize for Table {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where S: serde::Serializer {
Dummy.serialize(serializer)
}
}
#[cfg(feature = "dummy_serialization")]
impl<'de> Deserialize<'de> for Table {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where D: serde::Deserializer<'de> {
Dummy::deserialize(deserializer)?;
Ok(Table {
labels: Vec::new(),
rows: RefCell::new(Vec::new()),
})
}
}