Working towards rust stable support.

Cargo.toml

@@ -18,6 +18,7 @@ git = "https://github.com/cessen/ropey.git"
 #git = "https://github.com/PistonDevelopers/freetype-rs.git"
 
 [dependencies]
+time = "0.1.30"
 rustc-serialize = "0.3.0"
 docopt = "0.6.*"
 encoding = "*"

src/buffer/mod.rs

@@ -53,7 +53,7 @@ impl Buffer {
         try!(f.read_to_string(&mut string));
     
         let buf = Buffer {
-            text: Rope::from_str(string.as_slice()),
+            text: Rope::from_str(&string[..]),
             file_path: Some(path.to_path_buf()),
             undo_stack: UndoStack::new(),
         };

src/editor/cursor.rs

@@ -13,7 +13,7 @@ use formatter::LineFormatter;
 ///
 /// `vis_start` is the visual 2d horizontal position of the cursor.  This
 /// doesn't affect editing operations at all, but is used for cursor movement.
-#[derive(Copy)]
+#[derive(Copy, Clone)]
 pub struct Cursor {
     pub range: (usize, usize),  // start, end
     pub vis_start: usize,  // start
@@ -96,14 +96,14 @@ impl CursorSet {
 impl Index<usize> for CursorSet {
     type Output = Cursor;
     
-    fn index<'a>(&'a self, _index: &usize) -> &'a Cursor {
-        &(self.cursors[*_index])
+    fn index<'a>(&'a self, _index: usize) -> &'a Cursor {
+        &(self.cursors[_index])
     }
 }
 
 
 impl IndexMut<usize> for CursorSet {
-    fn index_mut<'a>(&'a mut self, _index: &usize) -> &'a mut Cursor {
-        &mut (self.cursors[*_index])
+    fn index_mut<'a>(&'a mut self, _index: usize) -> &'a mut Cursor {
+        &mut (self.cursors[_index])
     }
 }

src/editor/mod.rs

@@ -40,7 +40,7 @@ impl<T: LineFormatter> Editor<T> {
         Editor {
             buffer: Buffer::new(),
             formatter: formatter,
-            file_path: PathBuf::new(""),
+            file_path: PathBuf::new(),
             line_ending_type: LineEnding::LF,
             soft_tabs: false,
             soft_tab_width: 4,
@@ -89,7 +89,7 @@ impl<T: LineFormatter> Editor<T> {
     
     
     pub fn save_if_dirty(&mut self) {
-        if self.dirty && self.file_path != PathBuf::new("") {
+        if self.dirty && self.file_path != PathBuf::new() {
             let _ = self.buffer.save_to_file(&self.file_path);
             self.dirty = false;
         }

src/formatter.rs

@@ -10,7 +10,7 @@ use buffer::Buffer;
 pub const LINE_BLOCK_LENGTH: usize = 4096;
 
 
-#[derive(Copy, PartialEq)]
+#[derive(Copy, Clone, PartialEq)]
 pub enum RoundingBehavior {
     Round,
     Floor,

src/main.rs

@@ -3,6 +3,7 @@
 #![feature(test)]
 #![feature(std_misc)]
 
+extern crate time;
 extern crate test;
 extern crate rustbox;
 extern crate docopt;

src/string_utils.rs

@@ -140,7 +140,7 @@ pub fn grapheme_pos_to_byte_pos(text: &str, pos: usize) -> usize {
 /// Inserts the given text into the given string at the given grapheme index.
 pub fn insert_text_at_grapheme_index(s: &mut String, text: &str, pos: usize) {
     // Find insertion position in bytes
-    let byte_pos = grapheme_pos_to_byte_pos(s.as_slice(), pos);
+    let byte_pos = grapheme_pos_to_byte_pos(&s[..], pos);
     
     // Get byte vec of string
     let byte_vec = unsafe { s.as_mut_vec() };
@@ -182,8 +182,8 @@ pub fn remove_text_between_grapheme_indices(s: &mut String, pos_a: usize, pos_b:
     
     // Find removal positions in bytes
     // TODO: get both of these in a single pass
-    let byte_pos_a = grapheme_pos_to_byte_pos(s.as_slice(), pos_a);
-    let byte_pos_b = grapheme_pos_to_byte_pos(s.as_slice(), pos_b);
+    let byte_pos_a = grapheme_pos_to_byte_pos(&s[..], pos_a);
+    let byte_pos_b = grapheme_pos_to_byte_pos(&s[..], pos_b);
     
     // Get byte vec of string
     let byte_vec = unsafe { s.as_mut_vec() };
@@ -211,7 +211,7 @@ pub fn split_string_at_grapheme_index(s1: &mut String, pos: usize) -> String {
     
     // Code block to contain the borrow of s2
     {
-        let byte_pos = grapheme_pos_to_byte_pos(s1.as_slice(), pos);
+        let byte_pos = grapheme_pos_to_byte_pos(&s1[..], pos);
         
         let byte_vec_1 = unsafe { s1.as_mut_vec() };
         let byte_vec_2 = unsafe { s2.as_mut_vec() };
@@ -231,7 +231,7 @@ pub fn split_string_at_grapheme_index(s1: &mut String, pos: usize) -> String {
 
 /// Represents one of the valid Unicode line endings.
 /// Also acts as an index into `LINE_ENDINGS`.
-#[derive(PartialEq, Copy)]
+#[derive(PartialEq, Copy, Clone)]
 pub enum LineEnding {
     None = 0,  // No line ending
     CRLF = 1,  // CarriageReturn followed by LineFeed

src/term_ui/mod.rs

@@ -3,10 +3,10 @@
 use rustbox;
 use rustbox::Color;
 use editor::Editor;
+use time::Duration;
 use formatter::{LineFormatter, LINE_BLOCK_LENGTH, block_index_and_offset};
 use std::char;
 use std::default::Default;
-use std::time::duration::Duration;
 use std::cmp::min;
 use string_utils::{is_line_ending, line_ending_to_str, LineEnding};
 use utils::digit_count;
@@ -387,7 +387,7 @@ impl TermUI {
                 let lnx = c1.1 + (gutter_width - 1 - digit_count(line_num as u32, 10) as usize);
                 let lny = screen_line as usize;
                 if lny >= c1.0 && lny <= c2.0 {
-                    self.rb.print(lnx, lny, rustbox::RB_NORMAL, Color::White, Color::Blue, format!("{}", line_num).as_slice());
+                    self.rb.print(lnx, lny, rustbox::RB_NORMAL, Color::White, Color::Blue, &format!("{}", line_num)[..]);
                 }
             }