feat: add support for every other settings from wit-bindgen (#273)

https://github.com/bytecodealliance/wit-bindgen/blob/90a1e547e1a4515a5769f5d157ffc519c5d851a3/crates/rust/src/lib.rs#L87-L189

src/bindings.rs

@@ -161,7 +161,21 @@ impl<'a> BindingsGenerator<'a> {
             std_feature: settings.std_feature,
             runtime_path: Some("wit_bindgen_rt".to_string()),
             bitflags_path: Some("wit_bindgen_rt::bitflags".to_string()),
-            ..Default::default()
+            raw_strings: settings.raw_strings,
+            skip: settings.skip.clone(),
+            stubs: settings.stubs,
+            export_prefix: settings.export_prefix.clone(),
+            with: settings
+                .with
+                .iter()
+                .map(|(key, value)| (key.clone(), value.clone()))
+                .collect(),
+            type_section_suffix: settings.type_section_suffix.clone(),
+            disable_run_ctors_once_workaround: settings.disable_run_ctors_once_workaround,
+            default_bindings_module: settings.default_bindings_module.clone(),
+            export_macro_name: settings.export_macro_name.clone(),
+            pub_export_macro: settings.pub_export_macro,
+            generate_unused_types: settings.generate_unused_types,
         };
 
         let mut files = Files::default();

src/metadata.rs

@@ -69,6 +69,38 @@ pub struct Bindings {
     /// If true, code generation should qualify any features that depend on
     /// `std` with `cfg(feature = "std")`.
     pub std_feature: bool,
+    /// If true, code generation should pass borrowed string arguments as
+    /// `&[u8]` instead of `&str`. Strings are still required to be valid
+    /// UTF-8, but this avoids the need for Rust code to do its own UTF-8
+    /// validation if it doesn't already have a `&str`
+    pub raw_strings: bool,
+    /// Names of functions to skip generating bindings for.
+    pub skip: Vec<String>,
+    /// If true, generate stub implementations for any exported functions,
+    /// interfaces, and/or resources.
+    pub stubs: bool,
+    /// Optionally prefix any export names with the specified value.
+    ///
+    /// This is useful to avoid name conflicts when testing.
+    pub export_prefix: Option<String>,
+    /// Remapping of interface names to rust module names.
+    pub with: HashMap<String, String>,
+    /// Add the specified suffix to the name of the custome section containing
+    /// the component type.
+    pub type_section_suffix: Option<String>,
+    /// Disable a workaround used to prevent libc ctors/dtors from being invoked
+    /// too much.
+    pub disable_run_ctors_once_workaround: bool,
+    /// Changes the default module used in the generated `export!` macro to
+    /// something other than `self`.
+    pub default_bindings_module: Option<String>,
+    /// Alternative name to use for the `export!` macro if one is generated.
+    pub export_macro_name: Option<String>,
+    /// Ensures that the `export!` macro will be defined as `pub` so it is a
+    /// candidate for being exported outside of the crate.
+    pub pub_export_macro: bool,
+    /// Whether to generate unused structures, not generated by default (false)
+    pub generate_unused_types: bool,
 }
 
 impl Default for Bindings {
@@ -78,6 +110,17 @@ impl Default for Bindings {
             ownership: Default::default(),
             derives: Default::default(),
             std_feature: false,
+            raw_strings: Default::default(),
+            skip: Default::default(),
+            stubs: Default::default(),
+            export_prefix: Default::default(),
+            with: Default::default(),
+            type_section_suffix: Default::default(),
+            disable_run_ctors_once_workaround: Default::default(),
+            default_bindings_module: Default::default(),
+            export_macro_name: Default::default(),
+            pub_export_macro: Default::default(),
+            generate_unused_types: Default::default(),
         }
     }
 }