diff options
Diffstat (limited to '')
| -rw-r--r-- | derive/src/from_network_impl.rs | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/derive/src/from_network_impl.rs b/derive/src/from_network_impl.rs new file mode 100644 index 0000000..c3a3be2 --- /dev/null +++ b/derive/src/from_network_impl.rs @@ -0,0 +1,127 @@ +use proc_macro2::TokenStream; +use quote::quote; + +use crate::{get_field_type, NetworkField}; + +pub(crate) fn map(fields: &Vec<NetworkField>) -> Vec<TokenStream> { + fields + .iter() + .map(|field| { + let field_rename = match &field.rename { + Some(name) => name.clone(), + None => format!("{}", field.ident.as_ref().unwrap()).into(), + }; + + let field_name = field.ident.as_ref().unwrap(); + + let field_type = get_field_type(&field); + + if field.from_map.is_some() { + let field_map: syn::ExprClosure = + syn::parse_str(&field.from_map.as_ref().unwrap()).unwrap(); + + quote! { + #field_name: match &input.get(#field_rename).unwrap() { + crate::primitive::Variant::#field_type(input) => input.iter().map(#field_map).collect(), + _ => unimplemented!() + }, + } + } else { + quote! { + #field_name: match &input.get(#field_rename).unwrap() { + crate::primitive::Variant::#field_type(input) => input.clone(), + _ => unimplemented!() + }, + } + } + }) + .collect() +} + +pub(crate) fn map_list(fields: &Vec<NetworkField>) -> Vec<TokenStream> { + fields + .iter() + .map(|field| { + let field_rename = match &field.rename { + Some(name) => name.clone(), + None => format!("{}", field.ident.as_ref().unwrap()).into(), + }; + + let field_name = field.ident.as_ref().unwrap(); + + let field_type = get_field_type(&field); + + if field.from_map.is_some() { + let field_map: syn::ExprClosure = + syn::parse_str(&field.from_map.as_ref().unwrap()).unwrap(); + + quote! { + #field_name: match input.get(#field_rename).unwrap() { + crate::primitive::Variant::VariantList(input) => match &input.remove(0) { + crate::primitive::Variant::#field_type(input) => input.iter().map(#field_map).collect(), + _ => unimplemented!() + }, + _ => unimplemented!() + }, + } + } else { + quote! { + #field_name: match input.get(#field_rename).unwrap() { + crate::primitive::Variant::VariantList(input) => match &input.remove(0) { + crate::primitive::Variant::#field_type(input) => input.clone(), + _ => unimplemented!() + }, + _ => unimplemented!() + }, + } + } + }) + .collect() +} + +pub(crate) fn list(fields: &Vec<NetworkField>) -> Vec<TokenStream> { + fields + .iter() + .map(|field| { + let field_rename = match &field.rename { + Some(name) => name.clone(), + None => format!("{}", field.ident.as_ref().unwrap()).into(), + }; + + let field_name = field.ident.as_ref().unwrap(); + + let field_type = get_field_type(&field); + + if field.from_map.is_some() { + let field_map: syn::ExprClosure = + syn::parse_str(&field.from_map.as_ref().unwrap()).unwrap(); + + quote! { + #field_name: match_variant!( + input + .iter() + .nth(input + .iter() + .position(|x| *x == crate::primitive::Variant::ByteArray(#field_rename.to_string())) + .unwrap()) + .unwrap(), + crate::primitive::Variant::#field_type + ).iter().map(#field_map).collect(), + } + } else { + quote! { + #field_name: match_variant!( + input + .iter() + .nth(input + .iter() + .position(|x| *x == Variant::ByteArray(#field_rename.to_string())) + .unwrap() + 1) + .unwrap(), + crate::primitive::Variant::#field_type + ), + } + } + }) + .collect() +} |
