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normalize_languages/
sshconfig.rs

1//! SSH config file support.
2
3use crate::external_packages::ResolvedPackage;
4use crate::{Export, Import, Language, Symbol, Visibility, VisibilityMechanism};
5use std::path::{Path, PathBuf};
6use tree_sitter::Node;
7
8/// SSH config language support.
9pub struct SshConfig;
10
11impl Language for SshConfig {
12    fn name(&self) -> &'static str {
13        "SSH Config"
14    }
15    fn extensions(&self) -> &'static [&'static str] {
16        &[]
17    } // Matched by filename
18    fn grammar_name(&self) -> &'static str {
19        "ssh-config"
20    }
21
22    fn has_symbols(&self) -> bool {
23        true
24    }
25
26    fn container_kinds(&self) -> &'static [&'static str] {
27        &[]
28    }
29    fn function_kinds(&self) -> &'static [&'static str] {
30        &[]
31    }
32    fn type_kinds(&self) -> &'static [&'static str] {
33        &[]
34    }
35    fn import_kinds(&self) -> &'static [&'static str] {
36        &[]
37    }
38    fn public_symbol_kinds(&self) -> &'static [&'static str] {
39        &[]
40    }
41
42    fn visibility_mechanism(&self) -> VisibilityMechanism {
43        VisibilityMechanism::AllPublic
44    }
45
46    fn extract_public_symbols(&self, _node: &Node, _content: &str) -> Vec<Export> {
47        Vec::new()
48    }
49
50    fn scope_creating_kinds(&self) -> &'static [&'static str] {
51        &[]
52    }
53    fn control_flow_kinds(&self) -> &'static [&'static str] {
54        &[]
55    }
56    fn complexity_nodes(&self) -> &'static [&'static str] {
57        &[]
58    }
59    fn nesting_nodes(&self) -> &'static [&'static str] {
60        &[]
61    }
62
63    fn signature_suffix(&self) -> &'static str {
64        ""
65    }
66
67    fn extract_function(
68        &self,
69        _node: &Node,
70        _content: &str,
71        _in_container: bool,
72    ) -> Option<Symbol> {
73        None
74    }
75    fn extract_container(&self, _node: &Node, _content: &str) -> Option<Symbol> {
76        None
77    }
78    fn extract_type(&self, _node: &Node, _content: &str) -> Option<Symbol> {
79        None
80    }
81    fn extract_docstring(&self, _node: &Node, _content: &str) -> Option<String> {
82        None
83    }
84
85    fn extract_attributes(&self, _node: &Node, _content: &str) -> Vec<String> {
86        Vec::new()
87    }
88    fn extract_imports(&self, _node: &Node, _content: &str) -> Vec<Import> {
89        Vec::new()
90    }
91
92    fn format_import(&self, _import: &Import, _names: Option<&[&str]>) -> String {
93        // SSH config has no imports
94        String::new()
95    }
96
97    fn is_public(&self, _node: &Node, _content: &str) -> bool {
98        true
99    }
100    fn get_visibility(&self, _node: &Node, _content: &str) -> Visibility {
101        Visibility::Public
102    }
103
104    fn is_test_symbol(&self, _symbol: &crate::Symbol) -> bool {
105        false
106    }
107
108    fn embedded_content(&self, _node: &Node, _content: &str) -> Option<crate::EmbeddedBlock> {
109        None
110    }
111
112    fn container_body<'a>(&self, _node: &'a Node<'a>) -> Option<Node<'a>> {
113        None
114    }
115
116    fn body_has_docstring(&self, _body: &Node, _content: &str) -> bool {
117        false
118    }
119
120    fn node_name<'a>(&self, node: &Node, content: &'a str) -> Option<&'a str> {
121        node.child_by_field_name("name")
122            .map(|n| &content[n.byte_range()])
123    }
124
125    fn file_path_to_module_name(&self, path: &Path) -> Option<String> {
126        let name = path.file_name()?.to_str()?;
127        if name == "config" || name == "ssh_config" || name.ends_with("_config") {
128            return Some(name.to_string());
129        }
130        None
131    }
132
133    fn module_name_to_paths(&self, _module: &str) -> Vec<String> {
134        vec!["config".to_string(), "ssh_config".to_string()]
135    }
136
137    fn lang_key(&self) -> &'static str {
138        "ssh-config"
139    }
140
141    fn is_stdlib_import(&self, _: &str, _: &Path) -> bool {
142        false
143    }
144    fn find_stdlib(&self, _: &Path) -> Option<PathBuf> {
145        None
146    }
147    fn resolve_local_import(&self, _: &str, _: &Path, _: &Path) -> Option<PathBuf> {
148        None
149    }
150    fn resolve_external_import(&self, _: &str, _: &Path) -> Option<ResolvedPackage> {
151        None
152    }
153    fn get_version(&self, _: &Path) -> Option<String> {
154        None
155    }
156    fn find_package_cache(&self, _: &Path) -> Option<PathBuf> {
157        None
158    }
159    fn indexable_extensions(&self) -> &'static [&'static str] {
160        &[]
161    }
162    fn package_sources(&self, _: &Path) -> Vec<crate::PackageSource> {
163        Vec::new()
164    }
165
166    fn should_skip_package_entry(&self, name: &str, _is_dir: bool) -> bool {
167        use crate::traits::skip_dotfiles;
168        skip_dotfiles(name)
169    }
170
171    fn discover_packages(&self, _: &crate::PackageSource) -> Vec<(String, PathBuf)> {
172        Vec::new()
173    }
174
175    fn package_module_name(&self, entry_name: &str) -> String {
176        entry_name.to_string()
177    }
178
179    fn find_package_entry(&self, path: &Path) -> Option<PathBuf> {
180        if path.is_file() {
181            Some(path.to_path_buf())
182        } else {
183            None
184        }
185    }
186}
187
188#[cfg(test)]
189mod tests {
190    use super::*;
191    use crate::validate_unused_kinds_audit;
192
193    #[test]
194    fn unused_node_kinds_audit() {
195        #[rustfmt::skip]
196        let documented_unused: &[&str] = &[
197            "host_declaration", "match_declaration",
198        ];
199        validate_unused_kinds_audit(&SshConfig, documented_unused)
200            .expect("SSH Config unused node kinds audit failed");
201    }
202}