From b5021411a84822cb3f1e3aeffad9550dd15bdeb6 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sun, 16 Sep 2018 12:54:24 +0300
Subject: rename all things

---
 crates/libeditor/src/extend_selection.rs | 167 -------------------------------
 1 file changed, 167 deletions(-)
 delete mode 100644 crates/libeditor/src/extend_selection.rs

(limited to 'crates/libeditor/src/extend_selection.rs')

diff --git a/crates/libeditor/src/extend_selection.rs b/crates/libeditor/src/extend_selection.rs
deleted file mode 100644
index 9dc59e254..000000000
--- a/crates/libeditor/src/extend_selection.rs
+++ /dev/null
@@ -1,167 +0,0 @@
-use libsyntax2::{
-    File, TextRange, SyntaxNodeRef, TextUnit,
-    SyntaxKind::*,
-    algo::{find_leaf_at_offset, LeafAtOffset, find_covering_node, ancestors, Direction, siblings},
-};
-
-pub fn extend_selection(file: &File, range: TextRange) -> Option<TextRange> {
-    let syntax = file.syntax();
-    extend(syntax.borrowed(), range)
-}
-
-pub(crate) fn extend(root: SyntaxNodeRef, range: TextRange) -> Option<TextRange> {
-    if range.is_empty() {
-        let offset = range.start();
-        let mut leaves = find_leaf_at_offset(root, offset);
-        if leaves.clone().all(|it| it.kind() == WHITESPACE) {
-            return Some(extend_ws(root, leaves.next()?, offset));
-        }
-        let leaf = match leaves {
-            LeafAtOffset::None => return None,
-            LeafAtOffset::Single(l) => l,
-            LeafAtOffset::Between(l, r) => pick_best(l, r),
-        };
-        return Some(leaf.range());
-    };
-    let node = find_covering_node(root, range);
-    if node.kind() == COMMENT && range == node.range() {
-        if let Some(range) = extend_comments(node) {
-            return Some(range);
-        }
-    }
-
-    match ancestors(node).skip_while(|n| n.range() == range).next() {
-        None => None,
-        Some(parent) => Some(parent.range()),
-    }
-}
-
-fn extend_ws(root: SyntaxNodeRef, ws: SyntaxNodeRef, offset: TextUnit) -> TextRange {
-    let ws_text = ws.leaf_text().unwrap();
-    let suffix = TextRange::from_to(offset, ws.range().end()) - ws.range().start();
-    let prefix = TextRange::from_to(ws.range().start(), offset) - ws.range().start();
-    let ws_suffix = &ws_text.as_str()[suffix];
-    let ws_prefix = &ws_text.as_str()[prefix];
-    if ws_text.contains("\n") && !ws_suffix.contains("\n") {
-        if let Some(node) = ws.next_sibling() {
-            let start = match ws_prefix.rfind('\n') {
-                Some(idx) => ws.range().start() + TextUnit::from((idx + 1) as u32),
-                None => node.range().start()
-            };
-            let end = if root.text().char_at(node.range().end()) == Some('\n') {
-                node.range().end() + TextUnit::of_char('\n')
-            } else {
-                node.range().end()
-            };
-            return TextRange::from_to(start, end);
-        }
-    }
-    ws.range()
-}
-
-fn pick_best<'a>(l: SyntaxNodeRef<'a>, r: SyntaxNodeRef<'a>) -> SyntaxNodeRef<'a> {
-    return if priority(r) > priority(l) { r } else { l };
-    fn priority(n: SyntaxNodeRef) -> usize {
-        match n.kind() {
-            WHITESPACE => 0,
-            IDENT | SELF_KW | SUPER_KW | CRATE_KW => 2,
-            _ => 1,
-        }
-    }
-}
-
-fn extend_comments(node: SyntaxNodeRef) -> Option<TextRange> {
-    let left = adj_comments(node, Direction::Backward);
-    let right = adj_comments(node, Direction::Forward);
-    if left != right {
-        Some(TextRange::from_to(
-            left.range().start(),
-            right.range().end(),
-        ))
-    } else {
-        None
-    }
-}
-
-fn adj_comments(node: SyntaxNodeRef, dir: Direction) -> SyntaxNodeRef {
-    let mut res = node;
-    for node in siblings(node, dir) {
-        match node.kind() {
-            COMMENT => res = node,
-            WHITESPACE if !node.leaf_text().unwrap().as_str().contains("\n\n") => (),
-            _ => break
-        }
-    }
-    res
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use test_utils::extract_offset;
-
-    fn do_check(before: &str, afters: &[&str]) {
-        let (cursor, before) = extract_offset(before);
-        let file = File::parse(&before);
-        let mut range = TextRange::offset_len(cursor, 0.into());
-        for &after in afters {
-            range = extend_selection(&file, range)
-                .unwrap();
-            let actual = &before[range];
-            assert_eq!(after, actual);
-        }
-    }
-
-    #[test]
-    fn test_extend_selection_arith() {
-        do_check(
-            r#"fn foo() { <|>1 + 1 }"#,
-            &["1", "1 + 1", "{ 1 + 1 }"],
-        );
-    }
-
-    #[test]
-    fn test_extend_selection_start_of_the_lind() {
-        do_check(
-            r#"
-impl S {
-<|>    fn foo() {
-
-    }
-}"#,
-            &["    fn foo() {\n\n    }\n"]
-        );
-    }
-
-    #[test]
-    fn test_extend_selection_comments() {
-        do_check(
-            r#"
-fn bar(){}
-
-// fn foo() {
-// 1 + <|>1
-// }
-
-// fn foo(){}
-    "#,
-            &["// 1 + 1", "// fn foo() {\n// 1 + 1\n// }"]
-        );
-    }
-
-    #[test]
-    fn test_extend_selection_prefer_idents() {
-        do_check(
-            r#"
-fn main() { foo<|>+bar;}
-    "#,
-            &["foo", "foo+bar"]
-        );
-        do_check(
-            r#"
-fn main() { foo+<|>bar;}
-    "#,
-            &["bar", "foo+bar"]
-        );
-    }
-}
-- 
cgit v1.2.3