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3b6f7cdbf4
Author | SHA1 | Date |
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Joe Bellus | 3b6f7cdbf4 | |
Joe Bellus | e239573903 |
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@ -32,6 +32,9 @@ In normal mode the cursor is a block and functional keybinds can be used for mov
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| w | Scan forward a word |
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| v | Mark selection |
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| x | Delete current character or selection |
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| dd | Delete the current line |
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| cw | Change word forward |
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| cb | Change word backward |
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** Insert mode
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In insert mode the cursor is a line and text can be edited. To return to normal mode use the ESC key.
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@ -104,37 +104,63 @@ impl EditorData {
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self.deselect();
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}
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pub fn word_scan_forward(&mut self) {
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while self.cursor_pos < self.content.len_chars() {
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self.cursor_pos += 1;
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if !self
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.current_char()
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.map(|c| c.is_alphanumeric())
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.unwrap_or(false)
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pub fn get_word_scan_forward_position(&mut self, skip_first: bool) -> usize {
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if self.cursor_pos < self.content.len_chars() {
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for (idx, ch) in self
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.content
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.chars_at(self.cursor_pos)
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.skip(if skip_first { 1 } else { 0 })
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.enumerate()
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{
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break;
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if !ch.is_alphanumeric() {
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return (idx + self.cursor_pos + 2).min(self.content.len_chars());
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}
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}
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self.deselect();
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self.content.len_chars()
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} else {
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self.content.len_chars()
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}
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}
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pub fn word_scan_backward(&mut self) {
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if self.cursor_pos > 0 {
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self.cursor_pos -= 1;
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pub fn get_word_scan_backward_position(&mut self, skip_first: bool) -> usize {
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let mut pos = self.cursor_pos;
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if pos > 0 && skip_first {
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pos -= 1;
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}
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while self.cursor_pos > 0 {
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while pos > 0 {
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if !self
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.content
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.get_char(self.cursor_pos - 1)
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.get_char(pos - 1)
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.map(|c| c.is_alphanumeric())
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.unwrap_or(false)
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{
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break;
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} else {
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self.cursor_pos -= 1;
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pos -= 1;
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}
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self.deselect();
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}
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pos
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}
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pub fn delete_word_forward(&mut self) {
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let end = self.get_word_scan_forward_position(false);
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self.content.remove(self.cursor_pos..end);
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}
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pub fn delete_word_backward(&mut self) {
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let start = self.get_word_scan_backward_position(true);
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self.content.remove(start..self.cursor_pos);
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self.cursor_pos = start;
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}
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pub fn word_scan_forward(&mut self) {
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self.cursor_pos = self.get_word_scan_forward_position(true);
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self.deselect();
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}
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pub fn word_scan_backward(&mut self) {
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self.cursor_pos = self.get_word_scan_backward_position(true);
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self.deselect();
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}
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pub fn delete_char_forward(&mut self) {
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@ -201,15 +227,8 @@ impl EditorData {
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}
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pub fn select_up(&mut self) {
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let line_idx = self.content.char_to_line(self.cursor_pos);
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if line_idx > 0 {
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let start_of_current_line = self.content.line_to_char(line_idx);
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let line_pos = self.cursor_pos - start_of_current_line;
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let up_line_start = self.content.line_to_char(line_idx - 1);
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let up_line = self.content.line(line_idx - 1);
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self.cursor_pos = up_line_start + line_pos.min(up_line.len_chars() - 1);
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}
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self.start_selection();
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self.cursor_up();
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}
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pub fn cursor_down(&mut self) {
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@ -225,17 +244,8 @@ impl EditorData {
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}
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pub fn select_down(&mut self) {
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//12 -> 11
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let line_idx = self.content.char_to_line(self.cursor_pos);
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if line_idx < self.content.len_lines() - 1 {
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let start_of_current_line = self.content.line_to_char(line_idx);
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let line_pos = self.cursor_pos - start_of_current_line;
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let start_of_next_line = self.content.line_to_char(line_idx + 1) + 1;
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let next_line_len = self.content.line(line_idx + 1).len_chars();
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self.cursor_pos =
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(start_of_next_line + line_pos.min(next_line_len)).min(start_of_next_line);
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}
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self.start_selection();
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self.cursor_down();
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}
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pub fn cursor_right(&mut self) {
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@ -281,21 +291,24 @@ impl EditorData {
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self.deselect();
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}
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pub fn insert_mode(&mut self) {
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self.mode = EditMode::Insert;
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self.deselect();
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}
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pub fn select_all(&mut self) {
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self.selection_pos = Some(0);
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self.cursor_pos = self.content.len_chars();
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}
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pub fn select_left(&mut self) {
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if self.cursor_pos > 0 {
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self.cursor_pos -= 1
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}
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self.start_selection();
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self.cursor_left();
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}
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pub fn select_right(&mut self) {
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if self.cursor_pos < self.content.len_chars() {
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self.cursor_pos += 1;
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}
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self.start_selection();
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self.cursor_right();
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}
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pub fn current_line(&self) -> ropey::RopeSlice {
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@ -310,6 +323,12 @@ impl EditorData {
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.unwrap()
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}
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pub fn start_selection(&mut self) {
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if self.selection_pos.is_none() {
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self.selection_pos = Some(self.cursor_pos);
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}
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}
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pub fn current_line_index(&self) -> usize {
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self.content.char_to_line(self.cursor_pos)
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}
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@ -36,6 +36,8 @@ mod keymap {
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pub const WORD_FORWARD: &str = "w";
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pub const WORD_BACK: &str = "b";
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pub const SELECT_MODE: &str = "v";
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pub const CHANGE_WORD_FORWARD: &str = "cw";
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pub const CHANGE_WORD_BACKWARD: &str = "cb";
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#[derive(Debug, Default)]
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pub struct KeyList {
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@ -63,6 +65,8 @@ mod keymap {
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WORD_FORWARD,
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WORD_BACK,
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SELECT_MODE,
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CHANGE_WORD_FORWARD,
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CHANGE_WORD_BACKWARD,
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],
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}
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}
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@ -360,6 +364,14 @@ impl Widget<EditorData> for AbacusEditor {
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Some(keymap::SELECT_MODE) => {
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data.selection_pos = Some(data.cursor_pos);
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}
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Some(keymap::CHANGE_WORD_FORWARD) => {
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data.delete_word_forward();
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data.insert_mode();
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}
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Some(keymap::CHANGE_WORD_BACKWARD) => {
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data.delete_word_backward();
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data.insert_mode();
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}
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_ => {}
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}
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}
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@ -414,7 +426,6 @@ impl Widget<EditorData> for AbacusEditor {
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druid::keyboard_types::Key::ArrowUp if e.mods.shift() => {
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data.select_up();
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data.deselect();
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}
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druid::keyboard_types::Key::ArrowDown if e.mods.shift() => {
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data.select_down();
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