From 9456d5c1a258e71bbb7e391dec8c3efb819e2d7d Mon Sep 17 00:00:00 2001 From: Leoi Hung Kin Date: Wed, 22 Sep 2021 00:03:12 +0800 Subject: Initial implementation of global search (#651) * initial implementation of global search * use tokio::sync::mpsc::unbounded_channel instead of Arc, Mutex, Waker poll_fn * use tokio_stream::wrappers::UnboundedReceiverStream to collect all search matches * regex_prompt: unified callback; refactor * global search doc--- helix-term/src/commands.rs | 188 +++++++++++++++++++++++++++++++++++++++------ helix-term/src/keymap.rs | 1 + helix-term/src/ui/mod.rs | 12 ++- 3 files changed, 177 insertions(+), 24 deletions(-) (limited to 'helix-term/src') diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index d40bb9cf..5005962f 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -31,7 +31,7 @@ use crate::{ }; use crate::job::{self, Job, Jobs}; -use futures_util::FutureExt; +use futures_util::{FutureExt, StreamExt}; use std::num::NonZeroUsize; use std::{fmt, future::Future}; @@ -43,6 +43,11 @@ use std::{ use once_cell::sync::Lazy; use serde::de::{self, Deserialize, Deserializer}; +use grep_regex::RegexMatcher; +use grep_searcher::{sinks, BinaryDetection, SearcherBuilder}; +use ignore::{DirEntry, WalkBuilder, WalkState}; +use tokio_stream::wrappers::UnboundedReceiverStream; + pub struct Context<'a> { pub register: Option, pub count: Option, @@ -209,6 +214,7 @@ impl Command { search_next, "Select next search match", extend_search_next, "Add next search match to selection", search_selection, "Use current selection as search pattern", + global_search, "Global Search in workspace folder", extend_line, "Select current line, if already selected, extend to next line", extend_to_line_bounds, "Extend selection to line bounds (line-wise selection)", delete_selection, "Delete selection", @@ -1061,24 +1067,41 @@ fn select_all(cx: &mut Context) { fn select_regex(cx: &mut Context) { let reg = cx.register.unwrap_or('/'); - let prompt = ui::regex_prompt(cx, "select:".into(), Some(reg), move |view, doc, regex| { - let text = doc.text().slice(..); - if let Some(selection) = selection::select_on_matches(text, doc.selection(view.id), ®ex) - { - doc.set_selection(view.id, selection); - } - }); + let prompt = ui::regex_prompt( + cx, + "select:".into(), + Some(reg), + move |view, doc, regex, event| { + if event != PromptEvent::Update { + return; + } + let text = doc.text().slice(..); + if let Some(selection) = + selection::select_on_matches(text, doc.selection(view.id), ®ex) + { + doc.set_selection(view.id, selection); + } + }, + ); cx.push_layer(Box::new(prompt)); } fn split_selection(cx: &mut Context) { let reg = cx.register.unwrap_or('/'); - let prompt = ui::regex_prompt(cx, "split:".into(), Some(reg), move |view, doc, regex| { - let text = doc.text().slice(..); - let selection = selection::split_on_matches(text, doc.selection(view.id), ®ex); - doc.set_selection(view.id, selection); - }); + let prompt = ui::regex_prompt( + cx, + "split:".into(), + Some(reg), + move |view, doc, regex, event| { + if event != PromptEvent::Update { + return; + } + let text = doc.text().slice(..); + let selection = selection::split_on_matches(text, doc.selection(view.id), ®ex); + doc.set_selection(view.id, selection); + }, + ); cx.push_layer(Box::new(prompt)); } @@ -1141,9 +1164,17 @@ fn search(cx: &mut Context) { // feed chunks into the regex yet let contents = doc.text().slice(..).to_string(); - let prompt = ui::regex_prompt(cx, "search:".into(), Some(reg), move |view, doc, regex| { - search_impl(doc, view, &contents, ®ex, false); - }); + let prompt = ui::regex_prompt( + cx, + "search:".into(), + Some(reg), + move |view, doc, regex, event| { + if event != PromptEvent::Update { + return; + } + search_impl(doc, view, &contents, ®ex, false); + }, + ); cx.push_layer(Box::new(prompt)); } @@ -1192,6 +1223,111 @@ fn search_selection(cx: &mut Context) { cx.editor.set_status(msg); } +fn global_search(cx: &mut Context) { + let (all_matches_sx, all_matches_rx) = + tokio::sync::mpsc::unbounded_channel::<(usize, PathBuf)>(); + let prompt = ui::regex_prompt( + cx, + "global search:".into(), + None, + move |_view, _doc, regex, event| { + if event != PromptEvent::Validate { + return; + } + if let Ok(matcher) = RegexMatcher::new_line_matcher(regex.as_str()) { + let searcher = SearcherBuilder::new() + .binary_detection(BinaryDetection::quit(b'\x00')) + .build(); + + let search_root = std::env::current_dir() + .expect("Global search error: Failed to get current dir"); + WalkBuilder::new(search_root).build_parallel().run(|| { + let mut searcher_cl = searcher.clone(); + let matcher_cl = matcher.clone(); + let all_matches_sx_cl = all_matches_sx.clone(); + Box::new(move |dent: Result| -> WalkState { + let dent = match dent { + Ok(dent) => dent, + Err(_) => return WalkState::Continue, + }; + + match dent.file_type() { + Some(fi) => { + if !fi.is_file() { + return WalkState::Continue; + } + } + None => return WalkState::Continue, + } + + let result_sink = sinks::UTF8(|line_num, _| { + match all_matches_sx_cl + .send((line_num as usize - 1, dent.path().to_path_buf())) + { + Ok(_) => Ok(true), + Err(_) => Ok(false), + } + }); + let result = searcher_cl.search_path(&matcher_cl, dent.path(), result_sink); + + if let Err(err) = result { + log::error!("Global search error: {}, {}", dent.path().display(), err); + } + WalkState::Continue + }) + }); + } else { + // Otherwise do nothing + // log::warn!("Global Search Invalid Pattern") + } + }, + ); + + cx.push_layer(Box::new(prompt)); + + let show_picker = async move { + let all_matches: Vec<(usize, PathBuf)> = + UnboundedReceiverStream::new(all_matches_rx).collect().await; + let call: job::Callback = + Box::new(move |editor: &mut Editor, compositor: &mut Compositor| { + if all_matches.is_empty() { + editor.set_status("No matches found".to_string()); + return; + } + let picker = FilePicker::new( + all_matches, + move |(_line_num, path)| path.to_str().unwrap().into(), + move |editor: &mut Editor, (line_num, path), action| { + match editor.open(path.into(), action) { + Ok(_) => {} + Err(e) => { + editor.set_error(format!( + "Failed to open file '{}': {}", + path.display(), + e + )); + return; + } + } + + let line_num = *line_num; + let (view, doc) = current!(editor); + let text = doc.text(); + let start = text.line_to_char(line_num); + let end = text.line_to_char((line_num + 1).min(text.len_lines())); + + doc.set_selection(view.id, Selection::single(start, end)); + align_view(doc, view, Align::Center); + }, + |_editor, (line_num, path)| Some((path.clone(), Some((*line_num, *line_num)))), + ); + compositor.push(Box::new(picker)); + }); + Ok(call) + }; + cx.jobs.callback(show_picker); +} + fn extend_line(cx: &mut Context) { let count = cx.count(); let (view, doc) = current!(cx.editor); @@ -3847,13 +3983,21 @@ fn join_selections(cx: &mut Context) { fn keep_selections(cx: &mut Context) { // keep selections matching regex let reg = cx.register.unwrap_or('/'); - let prompt = ui::regex_prompt(cx, "keep:".into(), Some(reg), move |view, doc, regex| { - let text = doc.text().slice(..); + let prompt = ui::regex_prompt( + cx, + "keep:".into(), + Some(reg), + move |view, doc, regex, event| { + if event != PromptEvent::Update { + return; + } + let text = doc.text().slice(..); - if let Some(selection) = selection::keep_matches(text, doc.selection(view.id), ®ex) { - doc.set_selection(view.id, selection); - } - }); + if let Some(selection) = selection::keep_matches(text, doc.selection(view.id), ®ex) { + doc.set_selection(view.id, selection); + } + }, + ); cx.push_layer(Box::new(prompt)); } diff --git a/helix-term/src/keymap.rs b/helix-term/src/keymap.rs index f38c8a40..f9bfcc50 100644 --- a/helix-term/src/keymap.rs +++ b/helix-term/src/keymap.rs @@ -555,6 +555,7 @@ impl Default for Keymaps { "P" => paste_clipboard_before, "R" => replace_selections_with_clipboard, "space" => keep_primary_selection, + "/" => global_search, }, "z" => { "View" "z" | "c" => align_view_center, diff --git a/helix-term/src/ui/mod.rs b/helix-term/src/ui/mod.rs index f6536eb2..810a9966 100644 --- a/helix-term/src/ui/mod.rs +++ b/helix-term/src/ui/mod.rs @@ -29,7 +29,7 @@ pub fn regex_prompt( cx: &mut crate::commands::Context, prompt: std::borrow::Cow<'static, str>, history_register: Option, - fun: impl Fn(&mut View, &mut Document, Regex) + 'static, + fun: impl Fn(&mut View, &mut Document, Regex, PromptEvent) + 'static, ) -> Prompt { let (view, doc) = current!(cx.editor); let view_id = view.id; @@ -47,6 +47,14 @@ pub fn regex_prompt( } PromptEvent::Validate => { // TODO: push_jump to store selection just before jump + + match Regex::new(input) { + Ok(regex) => { + let (view, doc) = current!(cx.editor); + fun(view, doc, regex, event); + } + Err(_err) => (), // TODO: mark command line as error + } } PromptEvent::Update => { // skip empty input, TODO: trigger default @@ -70,7 +78,7 @@ pub fn regex_prompt( // revert state to what it was before the last update doc.set_selection(view.id, snapshot.clone()); - fun(view, doc, regex); + fun(view, doc, regex, event); view.ensure_cursor_in_view(doc, cx.editor.config.scrolloff); } -- cgit v1.2.3-70-g09d2