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feat: allow @injection.self to inject the node w/ itself

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Amaan Qureshi 2023-08-21 00:53:04 -04:00
parent 023e0f2503
commit da6affaf94
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1 changed files with 13 additions and 0 deletions
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13
highlight/src/lib.rs
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@ -112,6 +112,7 @@ pub struct HighlightConfiguration {
non_local_variable_patterns: Vec<bool>,
injection_content_capture_index: Option<u32>,
injection_language_capture_index: Option<u32>,
injection_self_capture_index: Option<u32>,
local_scope_capture_index: Option<u32>,
local_def_capture_index: Option<u32>,
local_def_value_capture_index: Option<u32>,
@ -309,6 +310,7 @@ impl HighlightConfiguration {
// Store the numeric ids for all of the special captures.
let mut injection_content_capture_index = None;
let mut injection_language_capture_index = None;
let mut injection_self_capture_index = None;
let mut local_def_capture_index = None;
let mut local_def_value_capture_index = None;
let mut local_ref_capture_index = None;
@ -318,6 +320,7 @@ impl HighlightConfiguration {
match name.as_str() {
"injection.content" => injection_content_capture_index = i,
"injection.language" => injection_language_capture_index = i,
"injection.self" => injection_self_capture_index = i,
"local.definition" => local_def_capture_index = i,
"local.definition-value" => local_def_value_capture_index = i,
"local.reference" => local_ref_capture_index = i,
@ -339,6 +342,7 @@ impl HighlightConfiguration {
non_local_variable_patterns,
injection_content_capture_index,
injection_language_capture_index,
injection_self_capture_index,
local_def_capture_index,
local_def_value_capture_index,
local_ref_capture_index,
@ -1120,6 +1124,7 @@ fn injection_for_match<'a>(
) -> (Option<&'a str>, Option<Node<'a>>, bool) {
let content_capture_index = config.injection_content_capture_index;
let language_capture_index = config.injection_language_capture_index;
let self_capture_index = config.injection_self_capture_index;
let mut language_name = None;
let mut content_node = None;
@ -1129,6 +1134,11 @@ fn injection_for_match<'a>(
language_name = capture.node.utf8_text(source).ok();
} else if index == content_capture_index {
content_node = Some(capture.node);
} else if index == self_capture_index {
if let Ok(name) = capture.node.utf8_text(source) {
language_name = Some(name);
content_node = Some(capture.node);
}
}
}
@ -1144,6 +1154,9 @@ fn injection_for_match<'a>(
}
}
// Setting the `injection.self` key can be used to specify that the
// language name should be the same as the language of the current
// layer.
"injection.self" => {
if language_name.is_none() {
language_name = Some(config.language_name.as_str());