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
|
// Copyright 2016 Joe Wilm, The Alacritty Project Contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use ::log;
use clap::{Arg, App};
use crate::index::{Line, Column};
use crate::config::{Dimensions, Shell};
use crate::window::{DEFAULT_TITLE, DEFAULT_CLASS};
use std::path::{Path, PathBuf};
use std::borrow::Cow;
/// Options specified on the command line
pub struct Options {
pub live_config_reload: Option<bool>,
pub print_events: bool,
pub ref_test: bool,
pub dimensions: Option<Dimensions>,
pub title: Option<String>,
pub class: Option<String>,
pub log_level: log::LevelFilter,
pub command: Option<Shell<'static>>,
pub working_dir: Option<PathBuf>,
pub config: Option<PathBuf>,
pub persistent_logging: bool,
}
impl Default for Options {
fn default() -> Options {
Options {
live_config_reload: None,
print_events: false,
ref_test: false,
dimensions: None,
title: None,
class: None,
log_level: log::LevelFilter::Warn,
command: None,
working_dir: None,
config: None,
persistent_logging: false,
}
}
}
impl Options {
/// Build `Options` from command line arguments
pub fn load() -> Options {
let mut options = Options::default();
let matches = App::new(crate_name!())
.version(crate_version!())
.author(crate_authors!("\n"))
.about(crate_description!())
.arg(Arg::with_name("ref-test")
.long("ref-test")
.help("Generates ref test"))
.arg(Arg::with_name("live-config-reload")
.long("live-config-reload")
.help("Enable automatic config reloading"))
.arg(Arg::with_name("no-live-config-reload")
.long("no-live-config-reload")
.help("Disable automatic config reloading")
.conflicts_with("live-config-reload"))
.arg(Arg::with_name("print-events")
.long("print-events"))
.arg(Arg::with_name("persistent-logging")
.long("persistent-logging")
.help("Keep the log file after quitting Alacritty"))
.arg(Arg::with_name("dimensions")
.long("dimensions")
.short("d")
.value_names(&["columns", "lines"])
.help("Defines the window dimensions. Falls back to size specified by \
window manager if set to 0x0 [default: 80x24]"))
.arg(Arg::with_name("title")
.long("title")
.short("t")
.takes_value(true)
.help(&format!("Defines the window title [default: {}]", DEFAULT_TITLE)))
.arg(Arg::with_name("class")
.long("class")
.takes_value(true)
.help(&format!("Defines window class on X11 [default: {}]", DEFAULT_CLASS)))
.arg(Arg::with_name("q")
.short("q")
.multiple(true)
.conflicts_with("v")
.help("Reduces the level of verbosity (the min level is -qq)"))
.arg(Arg::with_name("v")
.short("v")
.multiple(true)
.conflicts_with("q")
.help("Increases the level of verbosity (the max level is -vvv)"))
.arg(Arg::with_name("working-directory")
.long("working-directory")
.takes_value(true)
.help("Start the shell in the specified working directory"))
.arg(Arg::with_name("config-file")
.long("config-file")
.takes_value(true)
.help("Specify alternative configuration file \
[default: $XDG_CONFIG_HOME/alacritty/alacritty.yml]"))
.arg(Arg::with_name("command")
.long("command")
.short("e")
.multiple(true)
.takes_value(true)
.min_values(1)
.allow_hyphen_values(true)
.help("Command and args to execute (must be last argument)"))
.get_matches();
if matches.is_present("ref-test") {
options.ref_test = true;
}
if matches.is_present("print-events") {
options.print_events = true;
}
if matches.is_present("live-config-reload") {
options.live_config_reload = Some(true);
} else if matches.is_present("no-live-config-reload") {
options.live_config_reload = Some(false);
}
if matches.is_present("persistent-logging") {
options.persistent_logging = true;
}
if let Some(mut dimensions) = matches.values_of("dimensions") {
let width = dimensions.next().map(|w| w.parse().map(Column));
let height = dimensions.next().map(|h| h.parse().map(Line));
if let (Some(Ok(width)), Some(Ok(height))) = (width, height) {
options.dimensions = Some(Dimensions::new(width, height));
}
}
options.class = matches.value_of("class").map(|c| c.to_owned());
options.title = matches.value_of("title").map(|t| t.to_owned());
match matches.occurrences_of("q") {
0 => {},
1 => options.log_level = log::LevelFilter::Error,
2 | _ => options.log_level = log::LevelFilter::Off
}
match matches.occurrences_of("v") {
0 if !options.print_events => {},
0 | 1 => options.log_level = log::LevelFilter::Info,
2 => options.log_level = log::LevelFilter::Debug,
3 | _ => options.log_level = log::LevelFilter::Trace
}
if let Some(dir) = matches.value_of("working-directory") {
options.working_dir = Some(PathBuf::from(dir.to_string()));
}
if let Some(path) = matches.value_of("config-file") {
options.config = Some(PathBuf::from(path.to_string()));
}
if let Some(mut args) = matches.values_of("command") {
// The following unwrap is guaranteed to succeed.
// If 'command' exists it must also have a first item since
// Arg::min_values(1) is set.
let command = String::from(args.next().unwrap());
let args = args.map(String::from).collect();
options.command = Some(Shell::new_with_args(command, args));
}
options
}
pub fn dimensions(&self) -> Option<Dimensions> {
self.dimensions
}
pub fn command(&self) -> Option<&Shell<'_>> {
self.command.as_ref()
}
pub fn config_path(&self) -> Option<Cow<'_, Path>> {
self.config.as_ref().map(|p| Cow::Borrowed(p.as_path()))
}
}
|
