merge workspace and main crate

derive/src/lib.rs

@@ -0,0 +1,134 @@
+use proc_macro::TokenStream;
+use proc_macro2::TokenStream as TokenStream2;
+use quote::quote;
+use syn::{parse_macro_input, parse_macro_input::ParseMacroInput, DeriveInput, Result};
+
+mod util;
+
+mod from_body;
+use from_body::expand_from_body;
+mod method;
+use method::{expand_method, Method};
+mod request_body;
+use request_body::expand_request_body;
+mod resource;
+use resource::expand_resource;
+mod resource_error;
+use resource_error::expand_resource_error;
+#[cfg(feature = "openapi")]
+mod openapi_type;
+#[cfg(feature = "openapi")]
+use openapi_type::expand_openapi_type;
+
+#[inline]
+fn print_tokens(tokens : TokenStream2) -> TokenStream
+{
+	//eprintln!("{}", tokens);
+	tokens.into()
+}
+
+#[inline]
+fn expand_derive<F>(input : TokenStream, expand : F) -> TokenStream
+where
+	F : FnOnce(DeriveInput) -> Result<TokenStream2>
+{
+	print_tokens(expand(parse_macro_input!(input))
+		.unwrap_or_else(|err| err.to_compile_error()))
+}
+
+#[inline]
+fn expand_macro<F, A, I>(attrs : TokenStream, item : TokenStream, expand : F) -> TokenStream
+where
+	F : FnOnce(A, I) -> Result<TokenStream2>,
+	A : ParseMacroInput,
+	I : ParseMacroInput
+{
+	print_tokens(expand(parse_macro_input!(attrs), parse_macro_input!(item))
+		.unwrap_or_else(|err| err.to_compile_error()))
+}
+
+#[inline]
+fn krate() -> TokenStream2
+{
+	quote!(::gotham_restful)
+}
+
+#[proc_macro_derive(FromBody)]
+pub fn derive_from_body(input : TokenStream) -> TokenStream
+{
+	expand_derive(input, expand_from_body)
+}
+
+#[cfg(feature = "openapi")]
+#[proc_macro_derive(OpenapiType, attributes(openapi))]
+pub fn derive_openapi_type(input : TokenStream) -> TokenStream
+{
+	expand_derive(input, expand_openapi_type)
+}
+
+#[proc_macro_derive(RequestBody, attributes(supported_types))]
+pub fn derive_request_body(input : TokenStream) -> TokenStream
+{
+	expand_derive(input, expand_request_body)
+}
+
+#[proc_macro_derive(Resource, attributes(resource))]
+pub fn derive_resource(input : TokenStream) -> TokenStream
+{
+	expand_derive(input, expand_resource)
+}
+
+#[proc_macro_derive(ResourceError, attributes(display, from, status))]
+pub fn derive_resource_error(input : TokenStream) -> TokenStream
+{
+	expand_derive(input, expand_resource_error)
+}
+
+
+#[proc_macro_attribute]
+pub fn read_all(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::ReadAll, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn read(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::Read, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn search(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::Search, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn create(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::Create, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn change_all(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::ChangeAll, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn change(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::Change, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn delete_all(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::RemoveAll, attr, item))
+}
+
+#[proc_macro_attribute]
+pub fn delete(attr : TokenStream, item : TokenStream) -> TokenStream
+{
+	expand_macro(attr, item, |attr, item| expand_method(Method::Remove, attr, item))
+}