Add keyword and regex highlighting to themes

- Update highlighter to support keywords and regexes
- Enhance theme mapping with keyword and regex parsing
- Modify theme structs to include keywords and regex configurations

src/highlighter/mod.rs

@@ -12,6 +12,14 @@ pub fn get_highlighter(highlighter_groups: HighlighterGroups, theme: Theme) -> R
         add_builtin_keywords(&mut builder);
     }
 
+    builder.with_keyword_highlighter(theme.keywords);
+
+    if !theme.regexes.is_empty() {
+        for regex in theme.regexes {
+            builder.with_regex_highlighter(regex);
+        }
+    }
+
     if highlighter_groups.numbers {
         builder.with_number_highlighter(theme.numbers);
     }

src/theme/mappers.rs

@@ -3,6 +3,12 @@ use crate::theme::*;
 impl From<TomlTheme> for Theme {
     fn from(toml: TomlTheme) -> Self {
         Theme {
+            keywords: toml.keywords.map_or_else(Vec::new, |keywords| {
+                keywords.into_iter().map(KeywordConfig::from).collect()
+            }),
+            regexes: toml
+                .regexes
+                .map_or_else(Vec::new, |regexes| regexes.into_iter().map(RegexConfig::from).collect()),
             numbers: toml.numbers.map_or_else(NumberConfig::default, NumberConfig::from),
             uuids: toml.uuids.map_or_else(UuidConfig::default, UuidConfig::from),
             quotes: toml.quotes.map_or_else(QuotesConfig::default, QuotesConfig::from),
@@ -22,6 +28,24 @@ impl From<TomlTheme> for Theme {
     }
 }
 
+impl From<KeywordToml> for KeywordConfig {
+    fn from(keyword_toml: KeywordToml) -> Self {
+        KeywordConfig {
+            words: keyword_toml.keyword,
+            style: keyword_toml.style,
+        }
+    }
+}
+
+impl From<RegexToml> for RegexConfig {
+    fn from(regex_toml: RegexToml) -> Self {
+        RegexConfig {
+            regex: regex_toml.regex,
+            style: regex_toml.style,
+        }
+    }
+}
+
 impl From<NumberToml> for NumberConfig {
     fn from(number_toml: NumberToml) -> Self {
         let default_config = NumberConfig::default();

src/theme/mod.rs

@@ -5,6 +5,8 @@ mod mappers;
 pub mod reader;
 
 pub struct Theme {
+    pub keywords: Vec<KeywordConfig>,
+    pub regexes: Vec<RegexConfig>,
     pub numbers: NumberConfig,
     pub uuids: UuidConfig,
     pub quotes: QuotesConfig,
@@ -20,6 +22,8 @@ pub struct Theme {
 
 #[derive(Deserialize, Debug, Default)]
 pub struct TomlTheme {
+    pub keywords: Option<Vec<KeywordToml>>,
+    pub regexes: Option<Vec<RegexToml>>,
     pub numbers: Option<NumberToml>,
     pub uuids: Option<UuidToml>,
     pub quotes: Option<QuotesToml>,
@@ -32,6 +36,18 @@ pub struct TomlTheme {
     pub key_value_pairs: Option<KeyValueToml>,
 }
 
+#[derive(Deserialize, Debug)]
+pub struct KeywordToml {
+    pub keyword: Vec<String>,
+    pub style: Style,
+}
+
+#[derive(Deserialize, Debug)]
+pub struct RegexToml {
+    pub regex: String,
+    pub style: Style,
+}
+
 #[derive(Deserialize, Debug)]
 pub struct NumberToml {
     pub number: Option<Style>,