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use super::consts::*;
use super::slab::*;
use super::slab_def::*;
use super::slab_kind::*;
#[derive(Debug)]
pub struct Row {
/// Slabs containing the actual data
pub slabs: [Slab; WIDTH_MAX],
}
impl Row {
/// Create a new row, with a given slab def.
///
/// # Examples
///
/// ```
/// use babalcore::*;
///
/// let _row = Row::new(SlabDef::Floor);
/// ```
pub fn new(def: SlabDef) -> Row {
Row {
slabs: [Slab::new(def); WIDTH_MAX],
}
}
/// Get a row content, at a given time.
///
/// # Examples
///
/// ```
/// use babalcore::*;
///
/// let row = Row::new(SlabDef::Floor);
/// assert_eq!(SlabKind::Floor, row.slab_kind(5, 123));
/// ```
pub fn slab_kind(&self, col: isize, now_msec: i64) -> SlabKind {
if col < 0 || col >= WIDTH_MAX as isize {
return SlabKind::Void;
}
self.slabs[col as usize].slab_kind(now_msec)
}
/// Set a row content.
///
/// # Examples
///
/// ```
/// use babalcore::*;
///
/// let mut row = Row::default();
/// assert_eq!(SlabKind::Void, row.slab_kind(3, 0));
/// row.set(3, SlabDef::Floor);
/// assert_eq!(SlabKind::Floor, row.slab_kind(3, 0));
/// assert_eq!(SlabKind::Void, row.slab_kind(2, 0));
/// ```
pub fn set(&mut self, col: isize, def: SlabDef) {
if col < 0 || col >= WIDTH_MAX as isize {
return;
}
self.slabs[col as usize].set(def)
}
pub fn get(&self, col: isize) -> SlabDef {
if col < 0 || col >= WIDTH_MAX as isize {
SlabDef::Void
} else {
self.slabs[col as usize].get()
}
}
}
impl std::fmt::Display for Row {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
let str_list: Vec<String> = self
.slabs
.iter()
.map(|x| format!("{}", x).to_string())
.collect();
write!(f, "{}", str_list.join(""))
}
}
impl std::default::Default for Row {
fn default() -> Self {
Row {
slabs: [Slab::new(SlabDef::Void); WIDTH_MAX],
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_fmt() {
assert_eq!(
" ",
format!("{}", Row::new(SlabDef::Void))
);
assert_eq!(
"################################",
format!("{}", Row::new(SlabDef::Floor))
);
}
}