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This commit is contained in:
gfreezy 2019-02-04 00:27:36 +08:00
parent 581c97a5c3
commit bfaefed3f6
7 changed files with 300 additions and 9 deletions
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17
crates/ra_ide_api_light/src/assists.rs
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@ -104,7 +104,7 @@ pub enum Assist {
}
#[derive(Default)]
struct AssistBuilder {
pub struct AssistBuilder {
edit: TextEditBuilder,
cursor_position: Option<TextUnit>,
}
@ -142,11 +142,7 @@ impl<'a> AssistCtx<'a> {
}
let mut edit = AssistBuilder::default();
f(&mut edit);
Some(Assist::Edit(LocalEdit {
label: label.into(),
edit: edit.edit.finish(),
cursor_position: edit.cursor_position,
}))
Some(edit.build(label))
}
pub(crate) fn leaf_at_offset(&self) -> LeafAtOffset<&'a SyntaxNode> {
@ -164,7 +160,7 @@ impl AssistBuilder {
fn replace(&mut self, range: TextRange, replace_with: impl Into<String>) {
self.edit.replace(range, replace_with.into())
}
fn replace_node_and_indent(&mut self, node: &SyntaxNode, replace_with: impl Into<String>) {
pub fn replace_node_and_indent(&mut self, node: &SyntaxNode, replace_with: impl Into<String>) {
let mut replace_with = replace_with.into();
if let Some(indent) = leading_indent(node) {
replace_with = reindent(&replace_with, indent)
@ -181,6 +177,13 @@ impl AssistBuilder {
fn set_cursor(&mut self, offset: TextUnit) {
self.cursor_position = Some(offset)
}
pub fn build(self, label: impl Into<String>) -> Assist {
Assist::Edit(LocalEdit {
label: label.into(),
cursor_position: self.cursor_position,
edit: self.edit.finish(),
})
}
}
fn reindent(text: &str, indent: &str) -> String {