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|
#[derive(Clone)]
pub struct Row {
cells: Vec<crate::cell::Cell>,
wrapped: bool,
}
impl Row {
pub fn new(cols: u16) -> Self {
Self {
cells: vec![crate::cell::Cell::default(); cols as usize],
wrapped: false,
}
}
pub fn get(&self, col: u16) -> Option<&crate::cell::Cell> {
self.cells.get(col as usize)
}
pub fn get_mut(&mut self, col: u16) -> Option<&mut crate::cell::Cell> {
self.cells.get_mut(col as usize)
}
pub fn insert(&mut self, i: usize, cell: crate::cell::Cell) {
self.cells.insert(i, cell);
}
pub fn remove(&mut self, i: usize) {
self.cells.remove(i);
}
pub fn truncate(&mut self, len: usize) {
self.cells.truncate(len);
}
pub fn resize(&mut self, len: usize, cell: crate::cell::Cell) {
self.cells.resize(len, cell);
}
pub fn wrap(&mut self, wrap: bool) {
self.wrapped = wrap;
}
pub fn wrapped(&self) -> bool {
self.wrapped
}
pub fn contents(&self, col_start: u16, col_end: u16) -> String {
let mut prev_was_wide = false;
let mut contents = String::new();
if let Some(max_col) = self.max_col() {
for col in col_start..=(col_end.min(max_col as u16)) {
if prev_was_wide {
prev_was_wide = false;
continue;
}
let cell = &self.cells[col as usize];
let cell_contents = cell.contents();
let cell_contents = if cell_contents == "" {
" "
} else {
cell_contents
};
contents += cell_contents;
prev_was_wide = cell.is_wide();
}
}
if !self.wrapped {
contents += "\n";
}
contents
}
pub fn contents_formatted(
&self,
col_start: u16,
col_end: u16,
attrs: crate::attrs::Attrs,
) -> (String, crate::attrs::Attrs) {
let mut prev_was_wide = false;
let mut contents = String::new();
let mut prev_attrs = attrs;
if let Some(max_col) = self.max_col() {
for col in col_start..=(col_end.min(max_col as u16)) {
if prev_was_wide {
prev_was_wide = false;
continue;
}
let cell = &self.cells[col as usize];
let attrs = cell.attrs();
if &prev_attrs != attrs {
contents += &attrs.escape_code_diff(&prev_attrs);
prev_attrs = *attrs;
}
let cell_contents = cell.contents();
let cell_contents = if cell_contents == "" {
" "
} else {
cell_contents
};
contents += cell_contents;
prev_was_wide = cell.is_wide();
}
}
if !self.wrapped {
contents += "\n";
}
(contents, prev_attrs)
}
fn max_col(&self) -> Option<u16> {
let mut prev_was_wide = false;
// XXX very inefficient
let mut max_col = None;
for (col, cell) in self.cells.iter().enumerate() {
if cell.has_contents() || prev_was_wide {
max_col = Some(col as u16);
prev_was_wide = cell.is_wide();
}
}
max_col
}
}
|
