Apply the TODO keyword settings.

src/parser/in_buffer_settings.rs

@@ -6,9 +6,11 @@ use nom::multi::many0;
 use nom::multi::many_till;
 
 use super::keyword::filtered_keyword;
+use super::keyword_todo::keyword_todo;
 use super::OrgSource;
 use crate::error::Res;
 use crate::types::Keyword;
+use crate::GlobalSettings;
 
 #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
 pub fn scan_for_in_buffer_settings<'s>(
@@ -41,3 +43,27 @@ fn in_buffer_settings_key<'s>(input: OrgSource<'s>) -> Res<OrgSource<'s>, OrgSou
         tag_no_case("typ_todo"),
     ))(input)
 }
+
+pub fn apply_in_buffer_settings<'g, 's, 'sf>(
+    keywords: Vec<Keyword<'sf>>,
+    original_settings: &'g GlobalSettings<'g, 's>,
+) -> Result<GlobalSettings<'g, 's>, String> {
+    let mut new_settings = original_settings.clone();
+
+    for kw in keywords.iter().filter(|kw| {
+        kw.key.eq_ignore_ascii_case("todo")
+            || kw.key.eq_ignore_ascii_case("seq_todo")
+            || kw.key.eq_ignore_ascii_case("typ_todo")
+    }) {
+        let (_, (in_progress_words, complete_words)) =
+            keyword_todo(kw.value).map_err(|err| err.to_string())?;
+        new_settings
+            .in_progress_todo_keywords
+            .extend(in_progress_words.into_iter().map(str::to_string));
+        new_settings
+            .complete_todo_keywords
+            .extend(complete_words.into_iter().map(str::to_string));
+    }
+
+    Ok(new_settings)
+}