mutiny-diff 0.1.22

TUI git diff viewer with worktree management
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

use tree_sitter_highlight::HighlightConfiguration;

pub struct LanguageEntry {
    pub name: &'static str,
    pub extensions: &'static [&'static str],
    config_fn: fn() -> HighlightConfiguration,
}

impl LanguageEntry {
    pub fn config(&self, highlight_names: &[String]) -> HighlightConfiguration {
        let mut config = (self.config_fn)();
        config.configure(highlight_names);
        config
    }
}

macro_rules! lang {
    ($name:expr, $exts:expr, $lang_fn:expr, $highlights:expr) => {
        LanguageEntry {
            name: $name,
            extensions: $exts,
            config_fn: || {
                HighlightConfiguration::new(
                    $lang_fn.into(),
                    $name,
                    $highlights,
                    "", // injections
                    "", // locals
                )
                .expect(concat!("Failed to create highlight config for ", $name))
            },
        }
    };
}

pub fn language_entries() -> Vec<LanguageEntry> {
    vec![
        lang!(
            "rust",
            &["rs"],
            tree_sitter_rust::LANGUAGE,
            tree_sitter_rust::HIGHLIGHTS_QUERY
        ),
        lang!(
            "javascript",
            &["js", "jsx", "mjs", "cjs"],
            tree_sitter_javascript::LANGUAGE,
            tree_sitter_javascript::HIGHLIGHT_QUERY
        ),
        lang!(
            "typescript",
            &["ts", "tsx"],
            tree_sitter_typescript::LANGUAGE_TYPESCRIPT,
            tree_sitter_typescript::HIGHLIGHTS_QUERY
        ),
        lang!(
            "python",
            &["py", "pyi"],
            tree_sitter_python::LANGUAGE,
            tree_sitter_python::HIGHLIGHTS_QUERY
        ),
        lang!(
            "json",
            &["json", "jsonc"],
            tree_sitter_json::LANGUAGE,
            tree_sitter_json::HIGHLIGHTS_QUERY
        ),
        lang!(
            "toml",
            &["toml"],
            tree_sitter_toml_ng::LANGUAGE,
            tree_sitter_toml_ng::HIGHLIGHTS_QUERY
        ),
        lang!(
            "css",
            &["css"],
            tree_sitter_css::LANGUAGE,
            tree_sitter_css::HIGHLIGHTS_QUERY
        ),
        lang!(
            "html",
            &["html", "htm"],
            tree_sitter_html::LANGUAGE,
            tree_sitter_html::HIGHLIGHTS_QUERY
        ),
        lang!(
            "go",
            &["go"],
            tree_sitter_go::LANGUAGE,
            tree_sitter_go::HIGHLIGHTS_QUERY
        ),
        lang!(
            "ruby",
            &["rb", "rake", "gemspec"],
            tree_sitter_ruby::LANGUAGE,
            tree_sitter_ruby::HIGHLIGHTS_QUERY
        ),
        lang!(
            "bash",
            &["sh", "bash", "zsh"],
            tree_sitter_bash::LANGUAGE,
            tree_sitter_bash::HIGHLIGHT_QUERY
        ),
        lang!(
            "yaml",
            &["yml", "yaml"],
            tree_sitter_yaml::LANGUAGE,
            tree_sitter_yaml::HIGHLIGHTS_QUERY
        ),
    ]
}

pub fn detect_language(path: &std::path::Path) -> Option<&'static str> {
    let ext = path.extension()?.to_str()?;
    // Check against known extensions
    for entry in language_entries() {
        if entry.extensions.contains(&ext) {
            return Some(entry.name);
        }
    }
    // Filename-based detection
    let filename = path.file_name()?.to_str()?;
    match filename {
        "Makefile" | "makefile" | "GNUmakefile" => Some("bash"),
        "Dockerfile" => Some("bash"),
        "Gemfile" | "Rakefile" => Some("ruby"),
        _ => None,
    }
}