zed/crates/gpui2_macros/src/style_helpers.rs
2023-11-14 01:15:48 -07:00

561 lines
20 KiB
Rust

use proc_macro::TokenStream;
use proc_macro2::TokenStream as TokenStream2;
use quote::{format_ident, quote};
use syn::{
parse::{Parse, ParseStream, Result},
parse_macro_input,
};
struct StyleableMacroInput;
impl Parse for StyleableMacroInput {
fn parse(_input: ParseStream) -> Result<Self> {
Ok(StyleableMacroInput)
}
}
pub fn style_helpers(input: TokenStream) -> TokenStream {
let _ = parse_macro_input!(input as StyleableMacroInput);
let methods = generate_methods();
let output = quote! {
#(#methods)*
};
output.into()
}
fn generate_methods() -> Vec<TokenStream2> {
let mut methods = Vec::new();
for (prefix, auto_allowed, fields, prefix_doc_string) in box_prefixes() {
methods.push(generate_custom_value_setter(
prefix,
if auto_allowed {
quote! { Length }
} else {
quote! { DefiniteLength }
},
&fields,
prefix_doc_string,
));
for (suffix, length_tokens, suffix_doc_string) in box_suffixes() {
if suffix != "auto" || auto_allowed {
methods.push(generate_predefined_setter(
prefix,
suffix,
&fields,
&length_tokens,
false,
&format!("{prefix_doc_string}\n\n{suffix_doc_string}"),
));
}
if suffix != "auto" {
methods.push(generate_predefined_setter(
prefix,
suffix,
&fields,
&length_tokens,
true,
&format!("{prefix_doc_string}\n\n{suffix_doc_string}"),
));
}
}
}
for (prefix, fields, prefix_doc_string) in corner_prefixes() {
methods.push(generate_custom_value_setter(
prefix,
quote! { AbsoluteLength },
&fields,
prefix_doc_string,
));
for (suffix, radius_tokens, suffix_doc_string) in corner_suffixes() {
methods.push(generate_predefined_setter(
prefix,
suffix,
&fields,
&radius_tokens,
false,
&format!("{prefix_doc_string}\n\n{suffix_doc_string}"),
));
}
}
for (prefix, fields, prefix_doc_string) in border_prefixes() {
for (suffix, width_tokens, suffix_doc_string) in border_suffixes() {
methods.push(generate_predefined_setter(
prefix,
suffix,
&fields,
&width_tokens,
false,
&format!("{prefix_doc_string}\n\n{suffix_doc_string}"),
));
}
}
methods
}
fn generate_predefined_setter(
name: &'static str,
length: &'static str,
fields: &Vec<TokenStream2>,
length_tokens: &TokenStream2,
negate: bool,
doc_string: &str,
) -> TokenStream2 {
let (negation_prefix, negation_token) = if negate {
("neg_", quote! { - })
} else {
("", quote! {})
};
let method_name = if length.is_empty() {
format_ident!("{}{}", negation_prefix, name)
} else {
format_ident!("{}{}_{}", negation_prefix, name, length)
};
let field_assignments = fields
.iter()
.map(|field_tokens| {
quote! {
style.#field_tokens = Some((#negation_token gpui::#length_tokens).into());
}
})
.collect::<Vec<_>>();
let method = quote! {
#[doc = #doc_string]
fn #method_name(mut self) -> Self {
let style = self.style();
#(#field_assignments)*
self
}
};
method
}
fn generate_custom_value_setter(
prefix: &'static str,
length_type: TokenStream2,
fields: &Vec<TokenStream2>,
doc_string: &str,
) -> TokenStream2 {
let method_name = format_ident!("{}", prefix);
let mut iter = fields.into_iter();
let last = iter.next_back().unwrap();
let field_assignments = iter
.map(|field_tokens| {
quote! {
style.#field_tokens = Some(length.clone().into());
}
})
.chain(std::iter::once(quote! {
style.#last = Some(length.into());
}))
.collect::<Vec<_>>();
let method = quote! {
#[doc = #doc_string]
fn #method_name(mut self, length: impl std::clone::Clone + Into<gpui::#length_type>) -> Self {
let style = self.style();
#(#field_assignments)*
self
}
};
method
}
/// Returns a vec of (Property name, has 'auto' suffix, tokens for accessing the property, documentation)
fn box_prefixes() -> Vec<(&'static str, bool, Vec<TokenStream2>, &'static str)> {
vec![
(
"w",
true,
vec![quote! { size.width }],
"Sets the width of the element. [Docs](https://tailwindcss.com/docs/width)",
),
("h", true, vec![quote! { size.height }], "Sets the height of the element. [Docs](https://tailwindcss.com/docs/height)"),
(
"size",
true,
vec![quote! {size.width}, quote! {size.height}],
"Sets the width and height of the element."
),
// TODO: These don't use the same size ramp as the others
// see https://tailwindcss.com/docs/max-width
(
"min_w",
true,
vec![quote! { min_size.width }],
"Sets the minimum width of the element. [Docs](https://tailwindcss.com/docs/min-width)",
),
// TODO: These don't use the same size ramp as the others
// see https://tailwindcss.com/docs/max-width
(
"min_h",
true,
vec![quote! { min_size.height }],
"Sets the minimum height of the element. [Docs](https://tailwindcss.com/docs/min-height)",
),
// TODO: These don't use the same size ramp as the others
// see https://tailwindcss.com/docs/max-width
(
"max_w",
true,
vec![quote! { max_size.width }],
"Sets the maximum width of the element. [Docs](https://tailwindcss.com/docs/max-width)",
),
// TODO: These don't use the same size ramp as the others
// see https://tailwindcss.com/docs/max-width
(
"max_h",
true,
vec![quote! { max_size.height }],
"Sets the maximum height of the element. [Docs](https://tailwindcss.com/docs/max-height)",
),
(
"m",
true,
vec![
quote! { margin.top },
quote! { margin.bottom },
quote! { margin.left },
quote! { margin.right },
],
"Sets the margin of the element. [Docs](https://tailwindcss.com/docs/margin)"
),
("mt", true, vec![quote! { margin.top }], "Sets the top margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-margin-to-a-single-side)"),
(
"mb",
true,
vec![quote! { margin.bottom }],
"Sets the bottom margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-margin-to-a-single-side)"
),
(
"my",
true,
vec![quote! { margin.top }, quote! { margin.bottom }],
"Sets the vertical margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-vertical-margin)"
),
(
"mx",
true,
vec![quote! { margin.left }, quote! { margin.right }],
"Sets the horizontal margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-horizontal-margin)"
),
("ml", true, vec![quote! { margin.left }], "Sets the left margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-margin-to-a-single-side)"),
(
"mr",
true,
vec![quote! { margin.right }],
"Sets the right margin of the element. [Docs](https://tailwindcss.com/docs/margin#add-margin-to-a-single-side)"
),
(
"p",
false,
vec![
quote! { padding.top },
quote! { padding.bottom },
quote! { padding.left },
quote! { padding.right },
],
"Sets the padding of the element. [Docs](https://tailwindcss.com/docs/padding)"
),
(
"pt",
false,
vec![quote! { padding.top }],
"Sets the top padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-padding-to-a-single-side)"
),
(
"pb",
false,
vec![quote! { padding.bottom }],
"Sets the bottom padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-padding-to-a-single-side)"
),
(
"px",
false,
vec![quote! { padding.left }, quote! { padding.right }],
"Sets the horizontal padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-horizontal-padding)"
),
(
"py",
false,
vec![quote! { padding.top }, quote! { padding.bottom }],
"Sets the vertical padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-vertical-padding)"
),
(
"pl",
false,
vec![quote! { padding.left }],
"Sets the left padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-padding-to-a-single-side)"
),
(
"pr",
false,
vec![quote! { padding.right }],
"Sets the right padding of the element. [Docs](https://tailwindcss.com/docs/padding#add-padding-to-a-single-side)"
),
(
"inset",
true,
vec![quote! { inset.top }, quote! { inset.right }, quote! { inset.bottom }, quote! { inset.left }],
"Sets the top, right, bottom, and left values of a positioned element. [Docs](https://tailwindcss.com/docs/top-right-bottom-left)",
),
(
"top",
true,
vec![quote! { inset.top }],
"Sets the top value of a positioned element. [Docs](https://tailwindcss.com/docs/top-right-bottom-left)",
),
(
"bottom",
true,
vec![quote! { inset.bottom }],
"Sets the bottom value of a positioned element. [Docs](https://tailwindcss.com/docs/top-right-bottom-left)",
),
(
"left",
true,
vec![quote! { inset.left }],
"Sets the left value of a positioned element. [Docs](https://tailwindcss.com/docs/top-right-bottom-left)",
),
(
"right",
true,
vec![quote! { inset.right }],
"Sets the right value of a positioned element. [Docs](https://tailwindcss.com/docs/top-right-bottom-left)",
),
(
"gap",
false,
vec![quote! { gap.width }, quote! { gap.height }],
"Sets the gap between rows and columns in flex layouts. [Docs](https://tailwindcss.com/docs/gap)"
),
(
"gap_x",
false,
vec![quote! { gap.width }],
"Sets the gap between columns in flex layouts. [Docs](https://tailwindcss.com/docs/gap#changing-row-and-column-gaps-independently)"
),
(
"gap_y",
false,
vec![quote! { gap.height }],
"Sets the gap between rows in flex layouts. [Docs](https://tailwindcss.com/docs/gap#changing-row-and-column-gaps-independently)"
),
]
}
/// Returns a vec of (Suffix size, tokens that correspond to this size, documentation)
fn box_suffixes() -> Vec<(&'static str, TokenStream2, &'static str)> {
vec![
("0", quote! { px(0.) }, "0px"),
("0p5", quote! { rems(0.125) }, "2px (0.125rem)"),
("1", quote! { rems(0.25) }, "4px (0.25rem)"),
("1p5", quote! { rems(0.375) }, "6px (0.375rem)"),
("2", quote! { rems(0.5) }, "8px (0.5rem)"),
("2p5", quote! { rems(0.625) }, "10px (0.625rem)"),
("3", quote! { rems(0.75) }, "12px (0.75rem)"),
("3p5", quote! { rems(0.875) }, "14px (0.875rem)"),
("4", quote! { rems(1.) }, "16px (1rem)"),
("5", quote! { rems(1.25) }, "20px (1.25rem)"),
("6", quote! { rems(1.5) }, "24px (1.5rem)"),
("7", quote! { rems(1.75) }, "28px (1.75rem)"),
("8", quote! { rems(2.0) }, "32px (2rem)"),
("9", quote! { rems(2.25) }, "36px (2.25rem)"),
("10", quote! { rems(2.5) }, "40px (2.5rem)"),
("11", quote! { rems(2.75) }, "44px (2.75rem)"),
("12", quote! { rems(3.) }, "48px (3rem)"),
("16", quote! { rems(4.) }, "64px (4rem)"),
("20", quote! { rems(5.) }, "80px (5rem)"),
("24", quote! { rems(6.) }, "96px (6rem)"),
("32", quote! { rems(8.) }, "128px (8rem)"),
("40", quote! { rems(10.) }, "160px (10rem)"),
("48", quote! { rems(12.) }, "192px (12rem)"),
("56", quote! { rems(14.) }, "224px (14rem)"),
("64", quote! { rems(16.) }, "256px (16rem)"),
("72", quote! { rems(18.) }, "288px (18rem)"),
("80", quote! { rems(20.) }, "320px (20rem)"),
("96", quote! { rems(24.) }, "384px (24rem)"),
("auto", quote! { auto() }, "Auto"),
("px", quote! { px(1.) }, "1px"),
("full", quote! { relative(1.) }, "100%"),
("1_2", quote! { relative(0.5) }, "50% (1/2)"),
("1_3", quote! { relative(1./3.) }, "33% (1/3)"),
("2_3", quote! { relative(2./3.) }, "66% (2/3)"),
("1_4", quote! { relative(0.25) }, "25% (1/4)"),
("2_4", quote! { relative(0.5) }, "50% (2/4)"),
("3_4", quote! { relative(0.75) }, "75% (3/4)"),
("1_5", quote! { relative(0.2) }, "20% (1/5)"),
("2_5", quote! { relative(0.4) }, "40% (2/5)"),
("3_5", quote! { relative(0.6) }, "60% (3/5)"),
("4_5", quote! { relative(0.8) }, "80% (4/5)"),
("1_6", quote! { relative(1./6.) }, "16% (1/6)"),
("5_6", quote! { relative(5./6.) }, "80% (5/6)"),
("1_12", quote! { relative(1./12.) }, "8% (1/12)"),
]
}
fn corner_prefixes() -> Vec<(&'static str, Vec<TokenStream2>, &'static str)> {
vec![
(
"rounded",
vec![
quote! { corner_radii.top_left },
quote! { corner_radii.top_right },
quote! { corner_radii.bottom_right },
quote! { corner_radii.bottom_left },
],
"Sets the border radius of the element. [Docs](https://tailwindcss.com/docs/border-radius)"
),
(
"rounded_t",
vec![
quote! { corner_radii.top_left },
quote! { corner_radii.top_right },
],
"Sets the border radius of the top side of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-sides-separately)"
),
(
"rounded_b",
vec![
quote! { corner_radii.bottom_left },
quote! { corner_radii.bottom_right },
],
"Sets the border radius of the bottom side of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-sides-separately)"
),
(
"rounded_r",
vec![
quote! { corner_radii.top_right },
quote! { corner_radii.bottom_right },
],
"Sets the border radius of the right side of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-sides-separately)"
),
(
"rounded_l",
vec![
quote! { corner_radii.top_left },
quote! { corner_radii.bottom_left },
],
"Sets the border radius of the left side of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-sides-separately)"
),
(
"rounded_tl",
vec![quote! { corner_radii.top_left }],
"Sets the border radius of the top left corner of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-corners-separately)"
),
(
"rounded_tr",
vec![quote! { corner_radii.top_right }],
"Sets the border radius of the top right corner of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-corners-separately)"
),
(
"rounded_bl",
vec![quote! { corner_radii.bottom_left }],
"Sets the border radius of the bottom left corner of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-corners-separately)"
),
(
"rounded_br",
vec![quote! { corner_radii.bottom_right }],
"Sets the border radius of the bottom right corner of the element. [Docs](https://tailwindcss.com/docs/border-radius#rounding-corners-separately)"
),
]
}
fn corner_suffixes() -> Vec<(&'static str, TokenStream2, &'static str)> {
vec![
("none", quote! { px(0.) }, "0px"),
("sm", quote! { rems(0.125) }, "2px (0.125rem)"),
("md", quote! { rems(0.25) }, "4px (0.25rem)"),
("lg", quote! { rems(0.5) }, "8px (0.5rem)"),
("xl", quote! { rems(0.75) }, "12px (0.75rem)"),
("2xl", quote! { rems(1.) }, "16px (1rem)"),
("3xl", quote! { rems(1.5) }, "24px (1.5rem)"),
("full", quote! { px(9999.) }, "9999px"),
]
}
fn border_prefixes() -> Vec<(&'static str, Vec<TokenStream2>, &'static str)> {
vec![
(
"border",
vec![
quote! { border_widths.top },
quote! { border_widths.right },
quote! { border_widths.bottom },
quote! { border_widths.left },
],
"Sets the border width of the element. [Docs](https://tailwindcss.com/docs/border-width)"
),
(
"border_t",
vec![quote! { border_widths.top }],
"Sets the border width of the top side of the element. [Docs](https://tailwindcss.com/docs/border-width#individual-sides)"
),
(
"border_b",
vec![quote! { border_widths.bottom }],
"Sets the border width of the bottom side of the element. [Docs](https://tailwindcss.com/docs/border-width#individual-sides)"
),
(
"border_r",
vec![quote! { border_widths.right }],
"Sets the border width of the right side of the element. [Docs](https://tailwindcss.com/docs/border-width#individual-sides)"
),
(
"border_l",
vec![quote! { border_widths.left }],
"Sets the border width of the left side of the element. [Docs](https://tailwindcss.com/docs/border-width#individual-sides)"
),
(
"border_x",
vec![
quote! { border_widths.left },
quote! { border_widths.right },
],
"Sets the border width of the vertical sides of the element. [Docs](https://tailwindcss.com/docs/border-width#horizontal-and-vertical-sides)"
),
(
"border_y",
vec![
quote! { border_widths.top },
quote! { border_widths.bottom },
],
"Sets the border width of the horizontal sides of the element. [Docs](https://tailwindcss.com/docs/border-width#horizontal-and-vertical-sides)"
),
]
}
fn border_suffixes() -> Vec<(&'static str, TokenStream2, &'static str)> {
vec![
("", quote! { px(1.)}, "1px"),
("0", quote! { px(0.)}, "0px"),
("1", quote! { px(1.) }, "1px"),
("2", quote! { px(2.) }, "2px"),
("3", quote! { px(3.) }, "3px"),
("4", quote! { px(4.) }, "4px"),
("5", quote! { px(5.) }, "5px"),
("6", quote! { px(6.) }, "6px"),
("7", quote! { px(7.) }, "7px"),
("8", quote! { px(8.) }, "8px"),
("9", quote! { px(9.) }, "9px"),
("10", quote! { px(10.) }, "10px"),
("11", quote! { px(11.) }, "11px"),
("12", quote! { px(12.) }, "12px"),
("16", quote! { px(16.) }, "16px"),
("20", quote! { px(20.) }, "20px"),
("24", quote! { px(24.) }, "24px"),
("32", quote! { px(32.) }, "32px"),
]
}