make theme optional

Author: burrbull

src/config.rs

@@ -32,7 +32,7 @@ pub struct Config {
     pub reexport_core_peripherals: bool,
     pub reexport_interrupt: bool,
     pub ident_formats: IdentFormats,
-    pub ident_formats_theme: IdentFormatsTheme,
+    pub ident_formats_theme: Option<IdentFormatsTheme>,
     pub base_address_shift: u64,
 }
 
@@ -242,7 +242,7 @@ impl IdentFormats {
         ]))
     }
 
-    pub fn new_theme() -> Self {
+    pub fn default_theme() -> Self {
         let mut map = Self::common();
 
         let pascal = IdentFormat::default().pascal_case();
@@ -304,9 +304,7 @@ impl DerefMut for IdentFormats {
     derive(serde::Deserialize),
     serde(rename_all = "lowercase")
 )]
-#[derive(Clone, Copy, Debug, Default, PartialEq, Eq)]
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum IdentFormatsTheme {
-    #[default]
-    New,
     Legacy,
 }

src/lib.rs

@@ -625,8 +625,8 @@ pub fn generate(input: &str, config: &Config) -> Result<Generation> {
 
     let mut config = config.clone();
     let mut ident_formats = match config.ident_formats_theme {
-        IdentFormatsTheme::New => IdentFormats::new_theme(),
-        IdentFormatsTheme::Legacy => IdentFormats::legacy_theme(),
+        Some(IdentFormatsTheme::Legacy) => IdentFormats::legacy_theme(),
+        _ => IdentFormats::default_theme(),
     };
     ident_formats.extend(config.ident_formats.drain());
     config.ident_formats = ident_formats;

src/main.rs

@@ -34,8 +34,8 @@ fn parse_configs(app: Command) -> Result<Config> {
 
     let mut config: Config = irxconfig.get()?;
     let mut idf = match config.ident_formats_theme {
-        IdentFormatsTheme::New => IdentFormats::new_theme(),
-        IdentFormatsTheme::Legacy => IdentFormats::legacy_theme(),
+        Some(IdentFormatsTheme::Legacy) => IdentFormats::legacy_theme(),
+        _ => IdentFormats::default_theme(),
     };
     idf.extend(config.ident_formats.drain());
     config.ident_formats = idf;
@@ -166,7 +166,7 @@ fn run() -> Result<()> {
 format!("Specify `-f type:prefix:case:suffix` to change default ident formatting.
 Allowed values of `type` are {:?}.
 Allowed cases are `unchanged` (''), `pascal` ('p'), `constant` ('c') and `snake` ('s').
-", IdentFormats::new_theme().keys().collect::<Vec<_>>())
+", IdentFormats::default_theme().keys().collect::<Vec<_>>())
 ),
         )
         .arg(