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-rw-r--r--src/widgets/luaeditor/buffer.rs180
1 files changed, 0 insertions, 180 deletions
diff --git a/src/widgets/luaeditor/buffer.rs b/src/widgets/luaeditor/buffer.rs
deleted file mode 100644
index 1427bdb..0000000
--- a/src/widgets/luaeditor/buffer.rs
+++ /dev/null
@@ -1,180 +0,0 @@
-use std::str::FromStr;
-
-use crate::cursor::{Cursor, CursorMove};
-
-#[derive(Default, Debug, Clone)]
-pub struct Buffer {
- lines: Vec<String>,
- cursor: Cursor,
-}
-
-impl Buffer {
- pub fn new() -> Self {
- Self {
- lines: Vec::new(),
- cursor: Cursor::new().with_position(0, 0).with_max(0, 0),
- }
- }
-
- fn refresh_line_max(&mut self) {
- self.cursor.set_x_max(self.lines[self.cursor.y()].len())
- }
-
- fn refresh_buffer_max(&mut self) {
- self.cursor.set_y_max(self.lines.len() - 1);
- }
-
- fn refresh_max(&mut self) {
- self.refresh_line_max();
- self.refresh_buffer_max();
- }
-
- fn end_balance(&self, level: usize) -> isize {
- let str = "\t".repeat(level);
- let start_count = self
- .lines
- .iter()
- .filter(|s| {
- s.starts_with(&(str.clone() + "if "))
- || s.starts_with(&(str.clone() + "for "))
- || s.starts_with(&(str.clone() + "while "))
- || (s.starts_with(&str) && s.contains("function(") && s.ends_with(')'))
- })
- .count();
-
- let end_count = self
- .lines
- .iter()
- .filter(|s| s.starts_with(&(str.clone() + "end ")) || **s == (str.clone() + "end"))
- .count();
-
- (end_count as isize) - (start_count as isize)
- }
-
- pub fn insert(&mut self, c: char) {
- match c {
- '\n' => {
- let (a, b) = {
- let line = self.current_line();
- let (a, b) = line.split_at(self.cursor.x());
- (a.to_string(), b.to_string())
- };
-
- let indent_normalized = a.replace(" ", "\t");
- let indent = indent_normalized.len() - indent_normalized.trim_start().len();
- let l = a.trim();
- let insert_end = (l.starts_with("if ") && l.ends_with(" then"))
- || ((l.starts_with("for ") || l.starts_with("while ")) && l.ends_with(" do"))
- || (l.contains("function(") && l.ends_with(')'));
-
- let extra_indent = if insert_end { 1 } else { 0 };
-
- {
- *self.current_line_mut() = a;
- }
- self.cursor.move_unchecked(CursorMove::Down(1));
- self.cursor.move_unchecked(CursorMove::Begin);
- self.lines
- .insert(self.cursor().y(), "\t".repeat(indent + extra_indent) + &b);
-
- if insert_end && self.end_balance(indent) < 0 {
- self.lines
- .insert(self.cursor().y() + 1, "\t".repeat(indent) + "end");
- }
-
- self.refresh_max();
- self.cursor
- .move_checked(CursorMove::Right(indent + extra_indent));
- }
- _ => {
- let x = self.cursor().x();
- self.current_line_mut().insert(x, c);
- self.refresh_line_max();
- self.cursor.move_checked(CursorMove::Right(1));
- }
- }
- }
-
- pub fn delete(&mut self) {
- if self.cursor.is_at_start() && !self.cursor.is_at_top() {
- let old_line = self.current_line_mut().clone();
- self.lines.remove(self.cursor.y());
- self.cursor.move_checked(CursorMove::Up(1));
- self.refresh_line_max();
-
- let new_x = self.current_line().len();
- self.current_line_mut().push_str(&old_line);
- self.cursor
- .move_checked(CursorMove::Jump((new_x, self.cursor.y())));
-
- self.refresh_buffer_max()
- } else {
- let x = self.cursor.x() - 1;
- self.current_line_mut().remove(x);
- self.refresh_line_max();
- self.cursor.move_checked(CursorMove::Left(1));
- }
- }
-
- pub fn line(&self, index: usize) -> Option<&String> {
- self.lines.get(index)
- }
-
- fn line_mut(&mut self, index: usize) -> Option<&mut String> {
- self.lines.get_mut(index)
- }
-
- pub fn current_line(&self) -> &String {
- self.line(self.cursor.y()).unwrap()
- }
-
- fn current_line_mut(&mut self) -> &mut String {
- self.line_mut(self.cursor.y()).unwrap()
- }
-
- pub fn cursor(&self) -> &Cursor {
- &self.cursor
- }
-
- pub fn move_cursor(&mut self, m: CursorMove) {
- match m {
- CursorMove::Up(_)
- | CursorMove::Down(_)
- | CursorMove::Top
- | CursorMove::Bottom
- | CursorMove::Relative(_)
- | CursorMove::Jump(_) => {
- self.cursor.move_checked(m);
- self.cursor.set_x_max(self.current_line().len());
- self.cursor.correct_cursor_position();
- }
- CursorMove::Left(_) | CursorMove::Right(_) | CursorMove::Begin | CursorMove::End => {
- self.cursor.move_checked(m)
- }
- }
- }
-
- pub fn lines(&self) -> &Vec<String> {
- &self.lines
- }
-
- pub fn set_lines(&mut self, lines: Vec<String>) {
- self.lines = lines;
- self.cursor.move_checked(CursorMove::Jump((0, 0)));
- self.refresh_max();
- }
-}
-
-impl FromStr for Buffer {
- type Err = ();
-
- fn from_str(s: &str) -> Result<Self, Self::Err> {
- let lines: Vec<_> = s.lines().map(|s| s.to_string()).collect();
- let mut buffer = Self::new();
- buffer.lines = lines;
-
- buffer.refresh_max();
-
- Ok(buffer)
- }
-}