From 921689b70da39160dd381e9716472827e36b03b8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 8 Jan 2019 21:59:55 +0300
Subject: kill text utils

---
 crates/ra_syntax/src/lib.rs        |  4 +---
 crates/ra_syntax/src/reparsing.rs  | 13 +++++--------
 crates/ra_syntax/src/text_utils.rs |  8 --------
 crates/ra_text_edit/src/lib.rs     |  7 +++++++
 4 files changed, 13 insertions(+), 19 deletions(-)
 delete mode 100644 crates/ra_syntax/src/text_utils.rs

diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index a75e641ea..1dbfca91b 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -31,7 +31,6 @@ mod parser_impl;
 mod reparsing;
 mod string_lexing;
 mod syntax_kinds;
-pub mod text_utils;
 /// Utilities for simple uses of the parser.
 pub mod utils;
 mod validation;
@@ -75,8 +74,7 @@ impl SourceFile {
             .map(|(green_node, errors)| SourceFile::new(green_node, errors))
     }
     fn full_reparse(&self, edit: &AtomTextEdit) -> TreePtr<SourceFile> {
-        let text =
-            text_utils::replace_range(self.syntax().text().to_string(), edit.delete, &edit.insert);
+        let text = edit.apply(self.syntax().text().to_string());
         SourceFile::parse(&text)
     }
     pub fn errors(&self) -> Vec<SyntaxError> {
diff --git a/crates/ra_syntax/src/reparsing.rs b/crates/ra_syntax/src/reparsing.rs
index d5d72e1f8..2f1de6b02 100644
--- a/crates/ra_syntax/src/reparsing.rs
+++ b/crates/ra_syntax/src/reparsing.rs
@@ -3,7 +3,6 @@ use crate::grammar;
 use crate::lexer::{tokenize, Token};
 use crate::parser_api::Parser;
 use crate::parser_impl;
-use crate::text_utils::replace_range;
 use crate::yellow::{self, GreenNode, SyntaxError, SyntaxNode};
 use crate::{SyntaxKind::*, TextRange, TextUnit};
 use ra_text_edit::AtomTextEdit;
@@ -62,11 +61,8 @@ fn reparse_block<'node>(
 }
 
 fn get_text_after_edit(node: &SyntaxNode, edit: &AtomTextEdit) -> String {
-    replace_range(
-        node.text().to_string(),
-        edit.delete - node.range().start(),
-        &edit.insert,
-    )
+    let edit = AtomTextEdit::replace(edit.delete - node.range().start(), edit.insert.clone());
+    edit.apply(node.text().to_string())
 }
 
 fn is_contextual_kw(text: &str) -> bool {
@@ -156,7 +152,7 @@ fn merge_errors(
 mod tests {
     use test_utils::{extract_range, assert_eq_text};
 
-    use crate::{SourceFile, AstNode, text_utils::replace_range, utils::dump_tree};
+    use crate::{SourceFile, AstNode, utils::dump_tree};
     use super::*;
 
     fn do_check<F>(before: &str, replace_with: &str, reparser: F)
@@ -167,7 +163,8 @@ mod tests {
         ) -> Option<(&'a SyntaxNode, GreenNode, Vec<SyntaxError>)>,
     {
         let (range, before) = extract_range(before);
-        let after = replace_range(before.clone(), range, replace_with);
+        let edit = AtomTextEdit::replace(range, replace_with.to_owned());
+        let after = edit.apply(before.clone());
 
         let fully_reparsed = SourceFile::parse(&after);
         let incrementally_reparsed = {
diff --git a/crates/ra_syntax/src/text_utils.rs b/crates/ra_syntax/src/text_utils.rs
deleted file mode 100644
index 7aaf4c223..000000000
--- a/crates/ra_syntax/src/text_utils.rs
+++ /dev/null
@@ -1,8 +0,0 @@
-use crate::TextRange;
-
-pub fn replace_range(mut text: String, range: TextRange, replace_with: &str) -> String {
-    let start = u32::from(range.start()) as usize;
-    let end = u32::from(range.end()) as usize;
-    text.replace_range(start..end, replace_with);
-    text
-}
diff --git a/crates/ra_text_edit/src/lib.rs b/crates/ra_text_edit/src/lib.rs
index 22f3fdc0c..fb693b3ae 100644
--- a/crates/ra_text_edit/src/lib.rs
+++ b/crates/ra_text_edit/src/lib.rs
@@ -28,4 +28,11 @@ impl AtomTextEdit {
     pub fn insert(offset: TextUnit, text: String) -> AtomTextEdit {
         AtomTextEdit::replace(TextRange::offset_len(offset, 0.into()), text)
     }
+
+    pub fn apply(&self, mut text: String) -> String {
+        let start = u32::from(self.delete.start()) as usize;
+        let end = u32::from(self.delete.end()) as usize;
+        text.replace_range(start..end, &self.insert);
+        text
+    }
 }
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