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
198
199
|
use crate::path;
use crate::DynError;
use helix_view::theme::Loader;
use helix_view::theme::Modifier;
use helix_view::Theme;
struct Rule {
fg: Option<&'static str>,
bg: Option<&'static str>,
check_both: bool,
}
enum Require {
Existence(Rule),
Difference(&'static str, &'static str),
}
// Placed in an fn here, so it's the first thing you see
fn get_rules() -> Vec<Require> {
vec![
// Check for ui.selection, which is required
Require::Existence(Rule::has_either("ui.selection")),
Require::Existence(Rule::has_either("ui.selection.primary")),
Require::Difference("ui.selection", "ui.selection.primary"),
// Check for planned readable text
Require::Existence(Rule::has_fg("ui.text")),
Require::Existence(Rule::has_bg("ui.background")),
// Check for complete editor.statusline bare minimum
Require::Existence(Rule::has_both("ui.statusline")),
Require::Existence(Rule::has_both("ui.statusline.inactive")),
// Check for editor.color-modes
Require::Existence(Rule::has_either("ui.statusline.normal")),
Require::Existence(Rule::has_either("ui.statusline.insert")),
Require::Existence(Rule::has_either("ui.statusline.select")),
Require::Difference("ui.statusline.normal", "ui.statusline.insert"),
Require::Difference("ui.statusline.normal", "ui.statusline.select"),
// Check for editor.cursorline
Require::Existence(Rule::has_bg("ui.cursorline.primary")),
// Check for editor.whitespace
Require::Existence(Rule::has_fg("ui.virtual.whitespace")),
// Check fir rulers
Require::Existence(Rule::has_either("ui.virtual.indent-guide")),
// Check for editor.rulers
Require::Existence(Rule::has_either("ui.virtual.ruler")),
// Check for menus and prompts
Require::Existence(Rule::has_both("ui.menu")),
Require::Existence(Rule::has_both("ui.help")),
Require::Existence(Rule::has_bg("ui.popup")),
Require::Existence(Rule::has_either("ui.window")),
// Check for visible cursor
Require::Existence(Rule::has_bg("ui.cursor.primary")),
Require::Existence(Rule::has_either("ui.cursor.match")),
]
}
impl Rule {
fn has_bg(bg: &'static str) -> Rule {
Rule {
fg: None,
bg: Some(bg),
check_both: true,
}
}
fn has_fg(fg: &'static str) -> Rule {
Rule {
fg: Some(fg),
bg: None,
check_both: true,
}
}
fn has_either(item: &'static str) -> Rule {
Rule {
fg: Some(item),
bg: Some(item),
check_both: false,
}
}
fn has_both(item: &'static str) -> Rule {
Rule {
fg: Some(item),
bg: Some(item),
check_both: true,
}
}
fn found_fg(&self, theme: &Theme) -> bool {
if let Some(fg) = &self.fg {
if theme.get(fg).fg.is_none() && theme.get(fg).add_modifier == Modifier::empty() {
return false;
}
}
true
}
fn found_bg(&self, theme: &Theme) -> bool {
if let Some(bg) = &self.bg {
if theme.get(bg).bg.is_none() && theme.get(bg).add_modifier == Modifier::empty() {
return false;
}
}
true
}
fn rule_name(&self) -> &'static str {
if self.fg.is_some() {
self.fg.unwrap()
} else if self.bg.is_some() {
self.bg.unwrap()
} else {
"LINTER_ERROR_NO_RULE"
}
}
fn check_difference(
theme: &Theme,
a: &'static str,
b: &'static str,
messages: &mut Vec<String>,
) {
let theme_a = theme.get(a);
let theme_b = theme.get(b);
if theme_a == theme_b {
messages.push(format!("$THEME: `{}` and `{}` cannot be equal", a, b));
}
}
fn check_existence(rule: &Rule, theme: &Theme, messages: &mut Vec<String>) {
let found_fg = rule.found_fg(theme);
let found_bg = rule.found_bg(theme);
if !rule.check_both && (found_fg || found_bg) {
return;
}
if !found_fg || !found_bg {
let mut missing = vec![];
if !found_fg {
missing.push("`fg`");
}
if !found_bg {
missing.push("`bg`");
}
let entry = if !rule.check_both && !found_fg && !found_bg {
missing.join(" or ")
} else {
missing.join(" and ")
};
messages.push(format!(
"$THEME: missing {} for `{}`",
entry,
rule.rule_name()
))
}
}
}
pub fn lint(file: String) -> Result<(), DynError> {
if file.contains("base16") {
println!("Skipping base16: {}", file);
return Ok(());
}
let path = path::themes().join(file.clone() + ".toml");
let theme = std::fs::read(&path).unwrap();
let theme: Theme = toml::from_slice(&theme).expect("Failed to parse theme");
let mut messages: Vec<String> = vec![];
get_rules().iter().for_each(|lint| match lint {
Require::Existence(rule) => Rule::check_existence(rule, &theme, &mut messages),
Require::Difference(a, b) => Rule::check_difference(&theme, a, b, &mut messages),
});
if !messages.is_empty() {
messages.iter().for_each(|m| {
let theme = file.clone();
let message = m.replace("$THEME", theme.as_str());
println!("{}", message);
});
Err(format!("{} has issues", file.clone().as_str()).into())
} else {
Ok(())
}
}
pub fn lint_all() -> Result<(), DynError> {
let files = Loader::read_names(path::themes().as_path());
let files_count = files.len();
let ok_files_count = files
.into_iter()
.filter_map(|path| lint(path.replace(".toml", "")).ok())
.collect::<Vec<()>>()
.len();
if files_count != ok_files_count {
Err(format!(
"{} of {} themes had issues",
files_count - ok_files_count,
files_count
)
.into())
} else {
Ok(())
}
}
|
