127 lines
4.5 KiB
Rust
127 lines
4.5 KiB
Rust
use proc_macro::TokenStream;
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use proc_macro2::TokenStream as TokenStream2;
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use quote::{format_ident, quote};
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fn tailwind_lengths() -> Vec<(&'static str, TokenStream2)> {
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vec![
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("0", quote! { DefinedLength::Pixels(0.) }),
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("1", quote! { DefinedLength::Rems(0.25) }),
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("2", quote! { DefinedLength::Rems(0.5) }),
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("3", quote! { DefinedLength::Rems(0.75) }),
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("4", quote! { DefinedLength::Rems(1.0) }),
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("5", quote! { DefinedLength::Rems(1.25) }),
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("6", quote! { DefinedLength::Rems(1.5) }),
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("8", quote! { DefinedLength::Rems(2.0) }),
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("10", quote! { DefinedLength::Rems(2.5) }),
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("12", quote! { DefinedLength::Rems(3.0) }),
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("16", quote! { DefinedLength::Rems(4.0) }),
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("20", quote! { DefinedLength::Rems(5.0) }),
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("24", quote! { DefinedLength::Rems(6.0) }),
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("32", quote! { DefinedLength::Rems(8.0) }),
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("40", quote! { DefinedLength::Rems(10.0) }),
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("48", quote! { DefinedLength::Rems(12.0) }),
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("56", quote! { DefinedLength::Rems(14.0) }),
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("64", quote! { DefinedLength::Rems(16.0) }),
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("auto", quote! { Length::Auto }),
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("px", quote! { DefinedLength::Pixels(1.0) }),
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("full", quote! { DefinedLength::Percent(100.0) }),
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// ("screen_50", quote! { DefinedLength::Vh(50.0) }),
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// ("screen_75", quote! { DefinedLength::Vh(75.0) }),
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// ("screen", quote! { DefinedLength::Vh(100.0) }),
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]
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}
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fn tailwind_prefixes() -> Vec<(&'static str, bool, Vec<TokenStream2>)> {
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vec![
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("w", true, vec![quote! { size.width }]),
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("h", true, vec![quote! { size.height }]),
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("min_w", false, vec![quote! { min_size.width }]),
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("min_h", false, vec![quote! { min_size.height }]),
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("max_w", false, vec![quote! { max_size.width }]),
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("max_h", false, vec![quote! { max_size.height }]),
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(
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"m",
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true,
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vec![quote! { margin.top }, quote! { margin.bottom }],
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),
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("mt", true, vec![quote! { margin.top }]),
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("mb", true, vec![quote! { margin.bottom }]),
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(
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"mx",
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true,
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vec![quote! { margin.left }, quote! { margin.right }],
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),
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("ml", true, vec![quote! { margin.left }]),
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("mr", true, vec![quote! { margin.right }]),
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(
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"p",
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false,
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vec![quote! { padding.top }, quote! { padding.bottom }],
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),
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("pt", false, vec![quote! { padding.top }]),
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("pb", false, vec![quote! { padding.bottom }]),
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(
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"px",
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false,
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vec![quote! { padding.left }, quote! { padding.right }],
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),
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("pl", false, vec![quote! { padding.left }]),
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("pr", false, vec![quote! { padding.right }]),
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("top", true, vec![quote! { inset.top }]),
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("bottom", true, vec![quote! { inset.bottom }]),
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("left", true, vec![quote! { inset.left }]),
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("right", true, vec![quote! { inset.right }]),
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]
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}
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pub fn styleable_trait(_item: TokenStream) -> TokenStream {
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let mut methods = Vec::new();
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for (prefix, auto_allowed, fields) in tailwind_prefixes() {
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for (suffix, length_tokens) in tailwind_lengths() {
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if !auto_allowed && suffix == "auto" {
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// Conditional to skip "auto"
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continue;
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}
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let method_name = format_ident!("{}_{}", prefix, suffix);
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let field_assignments = fields
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.iter()
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.map(|field_tokens| {
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quote! {
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style.#field_tokens = Some(gpui::geometry::#length_tokens.into());
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}
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})
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.collect::<Vec<_>>();
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let method = quote! {
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fn #method_name(mut self) -> Self where Self: Sized {
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let mut style = self.declared_style();
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#(#field_assignments)*
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self
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}
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};
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methods.push(method);
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}
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}
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let output = quote! {
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pub trait Styleable {
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type Style: refineable::Refineable;
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fn declared_style(&mut self) -> &mut playground::style::StyleRefinement;
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fn style(&mut self) -> playground::style::Style {
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let mut style = playground::style::Style::default();
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style.refine(self.declared_style());
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style
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}
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#(#methods)*
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}
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};
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output.into()
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}
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