diff options
Diffstat (limited to 'helix-term/src/commands.rs')
| -rw-r--r-- | helix-term/src/commands.rs | 121 |
1 files changed, 119 insertions, 2 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 9b72a8e9..24c53897 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -9,8 +9,8 @@ use helix_core::{ object, pos_at_coords, regex::{self, Regex}, register::Register, - search, selection, surround, textobject, LineEnding, Position, Range, Rope, RopeGraphemes, - RopeSlice, Selection, SmallVec, Tendril, Transaction, + search, selection, surround, textobject, Change, LineEnding, Position, Range, Rope, + RopeGraphemes, RopeSlice, Selection, SmallVec, Tendril, Transaction, }; use helix_view::{ @@ -215,6 +215,7 @@ impl Command { append_mode, command_mode, file_picker, + code_action, buffer_picker, symbol_picker, last_picker, @@ -2092,6 +2093,120 @@ fn symbol_picker(cx: &mut Context) { ) } +pub fn code_action(cx: &mut Context) { + let (view, doc) = current!(cx.editor); + + let language_server = match doc.language_server() { + Some(language_server) => language_server, + None => return, + }; + + let range = range_to_lsp_range( + doc.text(), + doc.selection(view.id).primary(), + language_server.offset_encoding(), + ); + + let future = language_server.code_actions(doc.identifier(), range); + let offset_encoding = language_server.offset_encoding(); + + cx.callback( + future, + move |_editor: &mut Editor, + compositor: &mut Compositor, + response: Option<lsp::CodeActionResponse>| { + if let Some(actions) = response { + let picker = Picker::new( + actions, + |action| match action { + lsp::CodeActionOrCommand::CodeAction(action) => { + action.title.as_str().into() + } + lsp::CodeActionOrCommand::Command(command) => command.title.as_str().into(), + }, + move |editor, code_action, _action| match code_action { + lsp::CodeActionOrCommand::Command(command) => { + log::debug!("code action command: {:?}", command); + editor.set_error(String::from("Handling code action command is not implemented yet, see https://github.com/helix-editor/helix/issues/183")); + } + lsp::CodeActionOrCommand::CodeAction(code_action) => { + log::debug!("code action: {:?}", code_action); + if let Some(ref workspace_edit) = code_action.edit { + apply_workspace_edit(editor, offset_encoding, workspace_edit) + } + } + }, + ); + compositor.push(Box::new(picker)) + } + }, + ) +} + +fn apply_workspace_edit( + editor: &mut Editor, + offset_encoding: OffsetEncoding, + workspace_edit: &lsp::WorkspaceEdit, +) { + let edits_to_transaction = |doc: &Rope, edits: &Vec<&lsp::TextEdit>| { + let lsp_pos_to_pos = |lsp_pos| lsp_pos_to_pos(&doc, lsp_pos, offset_encoding).unwrap(); + let changes = edits.iter().map(|edit| -> Change { + log::debug!("text edit: {:?}", edit); + // This clone probably could be optimized if Picker::new would give T instead of &T + let text_replacement = Tendril::from(edit.new_text.clone()); + ( + lsp_pos_to_pos(edit.range.start), + lsp_pos_to_pos(edit.range.end), + Some(text_replacement), + ) + }); + Transaction::change(doc, changes) + }; + + if let Some(ref changes) = workspace_edit.changes { + log::debug!("workspace changes: {:?}", changes); + editor.set_error(String::from("Handling workspace changesis not implemented yet, see https://github.com/helix-editor/helix/issues/183")); + return; + // Not sure if it works properly, it'll be safer to just panic here to avoid breaking some parts of code on which code actions will be used + // TODO: find some example that uses workspace changes, and test it + // for (url, edits) in changes.iter() { + // let file_path = url.origin().ascii_serialization(); + // let file_path = std::path::PathBuf::from(file_path); + // let file = std::fs::File::open(file_path).unwrap(); + // let mut text = Rope::from_reader(file).unwrap(); + // let transaction = edits_to_changes(&text, edits); + // transaction.apply(&mut text); + // } + } + + if let Some(ref document_changes) = workspace_edit.document_changes { + match document_changes { + lsp::DocumentChanges::Edits(document_edits) => { + for document_edit in document_edits { + let (view, doc) = current!(editor); + assert_eq!(doc.url().unwrap(), document_edit.text_document.uri); + let edits = document_edit + .edits + .iter() + .map(|edit| match edit { + lsp::OneOf::Left(text_edit) => text_edit, + lsp::OneOf::Right(annotated_text_edit) => { + &annotated_text_edit.text_edit + } + }) + .collect(); + let transaction = edits_to_transaction(doc.text(), &edits); + doc.apply(&transaction, view.id); + } + } + lsp::DocumentChanges::Operations(operations) => { + log::debug!("document changes - operations: {:?}", operations); + editor.set_error(String::from("Handling document operations is not implemented yet, see https://github.com/helix-editor/helix/issues/183")); + } + } + } +} + fn last_picker(cx: &mut Context) { // TODO: last picker does not seemed to work well with buffer_picker cx.callback = Some(Box::new(|compositor: &mut Compositor| { @@ -3781,6 +3896,8 @@ mode_info! { "P" => paste_clipboard_before, /// replace selections with clipboard "R" => replace_selections_with_clipboard, + /// perform code action + "a" => code_action, /// keep primary selection "space" => keep_primary_selection, } |