ce848375fe
This PR pulls non-icon assets out of `ui::components::icon` in
preparation for icon standardization.
In the future icons will have standard names and sizes, and these image
assets won't conform to those constraints.
We can also add a `ui::components::image::Image` wrapper around the
`gpui::img` element in the future for any Zed-specific image styling we
want to enforce.
Of note:
```rust
#[derive(Debug, PartialEq, Eq, Copy, Clone, EnumIter, EnumString, IntoStaticStr, Serialize, Deserialize, DerivePathStr)]
#[strum(serialize_all = "snake_case")]
#[path_str(prefix = "images", suffix = ".svg")]
pub enum VectorName {
ZedLogo,
ZedXCopilot,
}
```
You can see in the above code we no longer need to manually specify
paths for image/icon enums like we currently do in
`ui::components::icon`.
The icon component will get this same treatment in the future, once we:
- do the design work needed to standardize the icons
- remove unused icons
- update icon names
Release Notes:
- N/A
73 lines
2.3 KiB
Rust
73 lines
2.3 KiB
Rust
use proc_macro::TokenStream;
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use quote::quote;
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use syn::{parse_macro_input, Attribute, Data, DeriveInput, Lit, Meta, NestedMeta};
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pub fn derive_path_static_str(input: TokenStream) -> TokenStream {
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let input = parse_macro_input!(input as DeriveInput);
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let name = &input.ident;
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let prefix = get_attr_value(&input.attrs, "prefix").unwrap_or_else(|| "".to_string());
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let suffix = get_attr_value(&input.attrs, "suffix").unwrap_or_else(|| "".to_string());
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let delimiter = get_attr_value(&input.attrs, "delimiter").unwrap_or_else(|| "/".to_string());
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let path_str_impl = impl_path_str(name, &input.data, &prefix, &suffix, &delimiter);
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let expanded = quote! {
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impl #name {
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pub fn path_str(&self) -> &'static str {
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#path_str_impl
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}
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}
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};
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TokenStream::from(expanded)
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}
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fn impl_path_str(
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name: &syn::Ident,
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data: &Data,
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prefix: &str,
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suffix: &str,
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delimiter: &str,
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) -> proc_macro2::TokenStream {
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match *data {
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Data::Enum(ref data) => {
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let match_arms = data.variants.iter().map(|variant| {
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let ident = &variant.ident;
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let path = format!("{}{}{}{}{}", prefix, delimiter, ident, delimiter, suffix);
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quote! {
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#name::#ident => #path,
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}
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});
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quote! {
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match self {
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#(#match_arms)*
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}
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}
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}
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_ => panic!("DerivePathStr only supports enums"),
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}
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}
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fn get_attr_value(attrs: &[Attribute], key: &str) -> Option<String> {
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attrs
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.iter()
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.filter(|attr| attr.path.is_ident("derive_path_static_str"))
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.find_map(|attr| {
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if let Ok(Meta::List(meta_list)) = attr.parse_meta() {
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meta_list.nested.iter().find_map(|nested_meta| {
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if let NestedMeta::Meta(Meta::NameValue(name_value)) = nested_meta {
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if name_value.path.is_ident(key) {
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if let Lit::Str(lit_str) = &name_value.lit {
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return Some(lit_str.value());
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}
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}
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}
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None
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})
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} else {
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None
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}
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})
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}
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