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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| use crate::{ | ||
| buffer::{ | ||
| highlight::{Highlight, HL_FIND_TEXT}, | ||
| Buffer, | ||
| }, | ||
| core::text_position::TextPosition, | ||
| }; | ||
|
|
||
| impl Buffer { | ||
| pub fn find(&mut self, text: &str) { | ||
| self.clear_highlight(HL_FIND_TEXT); | ||
| self.finds.clear(); | ||
|
|
||
| for row in 0..self.get_line_count() { | ||
| let line = self.get_line(row).clone(); | ||
| if text.len() <= line.len() { | ||
| let column_end = line.len() - text.len() + 1; | ||
| for column in 0..column_end { | ||
| if &line[column..(column + text.len())] == text { | ||
| self.finds.push(TextPosition { | ||
| row, | ||
| start: column, | ||
| end: column + text.len() - 1, | ||
| }); | ||
| self.highlights.push(Highlight { | ||
| name: HL_FIND_TEXT, | ||
| row, | ||
| start: column, | ||
| end: column + text.len() - 1, | ||
| }); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn clear_finds(&mut self) { | ||
| self.finds.clear(); | ||
| self.clear_highlight(HL_FIND_TEXT); | ||
| } | ||
|
|
||
| pub fn move_to_next_find(&mut self) { | ||
| if self.finds.len() == 0 { | ||
| return; | ||
| } | ||
|
|
||
| let mut pos: Option<TextPosition> = None; | ||
| for find in self.finds.iter() { | ||
| if find.row < self.cursor.y { | ||
| continue; | ||
| } else if find.row == self.cursor.y && find.start <= self.cursor.x { | ||
| continue; | ||
| } else { | ||
| pos = Some(find.clone()); | ||
| break; | ||
| } | ||
| } | ||
| if let Some(p) = pos { | ||
| self.move_cursor(p.row, p.start); | ||
| } else { | ||
| let p = self.finds.get(0).unwrap(); | ||
| self.move_cursor(p.row, p.start); | ||
| } | ||
| } | ||
|
|
||
| pub fn move_to_previous_find(&mut self) { | ||
| if self.finds.len() == 0 { | ||
| return; | ||
| } | ||
|
|
||
| let mut pos: Option<TextPosition> = None; | ||
| for find in self.finds.iter().rev() { | ||
| if self.cursor.y < find.row { | ||
| continue; | ||
| } else if find.row == self.cursor.y && self.cursor.x <= find.start { | ||
| continue; | ||
| } else { | ||
| pos = Some(find.clone()); | ||
| break; | ||
| } | ||
| } | ||
| if let Some(p) = pos { | ||
| self.move_cursor(p.row, p.start); | ||
| } else { | ||
| let p = self.finds.last().unwrap(); | ||
| self.move_cursor(p.row, p.start); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| #[cfg(test)] | ||
| mod tests { | ||
| use crate::{buffer::Buffer, core::rectangle::Rectangle}; | ||
|
|
||
| #[test] | ||
| fn test() { | ||
| let mut buffer = Buffer::new(Rectangle { | ||
| x: 0, | ||
| y: 0, | ||
| width: 10, | ||
| height: 10, | ||
| }); | ||
|
|
||
| buffer.lines.clear(); | ||
| buffer.lines.push(String::from("123 567 90")); | ||
| buffer.lines.push(String::from("qwer yuiio")); | ||
| buffer.lines.push(String::from("")); | ||
| buffer.lines.push(String::from("1 3 56")); | ||
| buffer.lines.push(String::from("")); | ||
|
|
||
| buffer.find("56"); | ||
|
|
||
| assert_eq!(2, buffer.finds.len()); | ||
| assert_eq!(0, buffer.finds.get(0).unwrap().row); | ||
| assert_eq!(4, buffer.finds.get(0).unwrap().start); | ||
| assert_eq!(5, buffer.finds.get(0).unwrap().end); | ||
| assert_eq!(3, buffer.finds.get(1).unwrap().row); | ||
| assert_eq!(5, buffer.finds.get(1).unwrap().start); | ||
| assert_eq!(6, buffer.finds.get(1).unwrap().end); | ||
| } | ||
| } |
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