1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
mod completion;
mod editor;
mod markdown;
mod menu;
mod picker;
mod popup;
mod prompt;
mod text;
pub use completion::Completion;
pub use editor::EditorView;
pub use markdown::Markdown;
pub use menu::Menu;
pub use picker::Picker;
pub use popup::Popup;
pub use prompt::{Prompt, PromptEvent};
pub use text::Text;
pub use tui::layout::Rect;
pub use tui::style::{Color, Modifier, Style};
use helix_core::regex::Regex;
use helix_view::{Document, Editor};
use std::path::{Path, PathBuf};
// TODO: temp
#[inline(always)]
pub fn text_color() -> Style {
Style::default().fg(Color::Rgb(219, 191, 239)) // lilac
}
pub fn regex_prompt(
cx: &mut crate::commands::Context,
prompt: String,
fun: impl Fn(&mut Document, Regex) + 'static,
) -> Prompt {
let snapshot = cx.doc().selection().clone();
Prompt::new(
prompt,
|input: &str| Vec::new(), // this is fine because Vec::new() doesn't allocate
move |editor: &mut Editor, input: &str, event: PromptEvent| {
match event {
PromptEvent::Abort => {
// TODO: also revert text
let id = editor.view().doc;
let doc = &mut editor.documents[id];
doc.set_selection(snapshot.clone());
}
PromptEvent::Validate => {
// TODO: push_jump to store selection just before jump
}
PromptEvent::Update => {
// skip empty input, TODO: trigger default
if input.is_empty() {
return;
}
match Regex::new(input) {
Ok(regex) => {
// let view = &mut editor.view_mut();
let id = editor.view().doc;
let doc = &mut editor.documents[id];
// revert state to what it was before the last update
// TODO: also revert text
doc.set_selection(snapshot.clone());
fun(doc, regex);
editor.ensure_cursor_in_view(editor.view().id);
}
Err(_err) => (), // TODO: mark command line as error
}
}
}
},
)
}
pub fn file_picker(root: &str) -> Picker<PathBuf> {
use ignore::Walk;
// TODO: determine root based on git root
let files = Walk::new(root).filter_map(|entry| match entry {
Ok(entry) => {
// filter dirs, but we might need special handling for symlinks!
if !entry.file_type().unwrap().is_dir() {
Some(entry.into_path())
} else {
None
}
}
Err(_err) => None,
});
const MAX: usize = 1024;
use helix_view::Editor;
Picker::new(
files.take(MAX).collect(),
|path: &PathBuf| {
// format_fn
path.strip_prefix("./").unwrap().to_str().unwrap().into()
},
move |editor: &mut Editor, path: &PathBuf, action| {
let document_id = editor
.open(path.into(), action)
.expect("editor.open failed");
},
)
}
pub mod completers {
use crate::ui::prompt::Completion;
use std::borrow::Cow;
// TODO: we could return an iter/lazy thing so it can fetch as many as it needs.
pub fn filename(input: &str) -> Vec<Completion> {
// Rust's filename handling is really annoying.
use ignore::WalkBuilder;
use std::path::{Path, PathBuf};
let path = Path::new(input);
let (dir, file_name) = if input.ends_with('/') {
(path.into(), None)
} else {
let file_name = path
.file_name()
.map(|file| file.to_str().unwrap().to_owned());
let path = match path.parent() {
Some(path) if !path.as_os_str().is_empty() => path.to_path_buf(),
// Path::new("h")'s parent is Some("")...
_ => std::env::current_dir().expect("couldn't determine current directory"),
};
(path, file_name)
};
let end = (input.len()..);
let mut files: Vec<_> = WalkBuilder::new(dir.clone())
.max_depth(Some(1))
.build()
.filter_map(|file| {
file.ok().map(|entry| {
let is_dir = entry
.file_type()
.map(|entry| entry.is_dir())
.unwrap_or(false);
let mut path = entry.path().strip_prefix(&dir).unwrap().to_path_buf();
if is_dir {
path.push("");
}
let path = path.to_str().unwrap().to_string();
(end.clone(), Cow::from(path))
})
}) // TODO: unwrap or skip
.filter(|(_, path)| !path.is_empty()) // TODO
.collect();
// if empty, return a list of dirs and files in current dir
if let Some(file_name) = file_name {
use fuzzy_matcher::skim::SkimMatcherV2 as Matcher;
use fuzzy_matcher::FuzzyMatcher;
use std::cmp::Reverse;
let matcher = Matcher::default();
// inefficient, but we need to calculate the scores, filter out None, then sort.
let mut matches: Vec<_> = files
.into_iter()
.filter_map(|(range, file)| {
matcher
.fuzzy_match(&file, &file_name)
.map(|score| (file, score))
})
.collect();
let range = ((input.len() - file_name.len())..);
matches.sort_unstable_by_key(|(_file, score)| Reverse(*score));
files = matches
.into_iter()
.map(|(file, _)| (range.clone(), file))
.collect();
// TODO: complete to longest common match
}
files
}
}
|
