mirror of
https://github.com/DioxusLabs/dioxus
synced 2024-11-10 14:44:12 +00:00
handle formatting options
This commit is contained in:
parent
2183ecf3fb
commit
94448ea4aa
10 changed files with 278 additions and 386 deletions
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@ -14,7 +14,7 @@ fn app(cx: Scope) -> Element {
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},
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p {
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"High-Five counter: {count}",
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"High-Five counter: {count.to_string():?}",
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}
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div {
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@ -43,33 +43,31 @@ fn app(cx: Scope) -> Element {
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cx.render(rsx! {
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div {
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display: "flex",
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flex_direction: "row",
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width: "100%",
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height: "50%",
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Editable{
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current_code: submitted_rsx_code.get().clone(),
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},
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display: "flex",
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flex_direction: "row",
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width: "100%",
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height: "50%",
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Editable{
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current_code: submitted_rsx_code.get().clone(),
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},
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textarea {
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width: "90%",
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value:
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rsx_code
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,
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oninput: move |evt| {
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rsx_code.set(evt.value.clone());
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},
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}
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textarea {
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width: "90%",
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value: rsx_code,
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oninput: move |evt| {
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rsx_code.set(evt.value.clone());
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},
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}
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button {
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height: "100%",
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width: "10%",
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onclick: move |_|{
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submitted_rsx_code.set(Some(rsx_code.get().clone()));
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},
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"submit"
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}
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}
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button {
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height: "100%",
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width: "10%",
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onclick: move |_|{
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submitted_rsx_code.set(Some(rsx_code.get().clone()));
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},
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"submit"
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}
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}
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})
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}
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@ -86,7 +84,7 @@ fn Editable(cx: Scope<EditableProps>) -> Element {
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rsx_index.insert(
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CodeLocation {
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file: r"examples\hot_reload.rs".to_string(),
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line: 95,
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line: 93,
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column: 15,
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},
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code.clone(),
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@ -101,7 +99,7 @@ fn Editable(cx: Scope<EditableProps>) -> Element {
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},
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p {
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"High-Five counter: {count}",
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"High-Five counter: {count.to_string():?}",
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}
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div {
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@ -188,40 +188,44 @@ pub fn rsx(s: TokenStream) -> TokenStream {
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{
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use dioxus_rsx_interperter::captuered_context::CapturedContextBuilder;
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let captured = CapturedContextBuilder::from_call_body(body);
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quote::quote! {
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{
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let __line_num = get_line_num();
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let __rsx_text_index: RsxTextIndex = cx.consume_context().unwrap();
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// only the insert the rsx text once
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if !__rsx_text_index.read().contains_key(&__line_num){
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__rsx_text_index.insert(
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__line_num.clone(),
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#rsx_text.to_string(),
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);
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}
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LazyNodes::new(move |__cx|{
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if let Some(__text) = {
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let read = __rsx_text_index.read();
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// clone prevents deadlock on nested rsx calls
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read.get(&__line_num).cloned()
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} {
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match interpert_rsx(
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__cx,
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&__text,
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#captured
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){
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Ok(vnode) => vnode,
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Err(err) => __cx.text(format_args!("{:?}", err))
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match CapturedContextBuilder::from_call_body(body) {
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Ok(captured) => {
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quote::quote! {
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{
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let __line_num = get_line_num();
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let __rsx_text_index: RsxTextIndex = cx.consume_context().unwrap();
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// only the insert the rsx text once
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if !__rsx_text_index.read().contains_key(&__line_num){
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__rsx_text_index.insert(
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__line_num.clone(),
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#rsx_text.to_string(),
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);
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}
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LazyNodes::new(move |__cx|{
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if let Some(__text) = {
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let read = __rsx_text_index.read();
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// clone prevents deadlock on nested rsx calls
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read.get(&__line_num).cloned()
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} {
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match interpert_rsx(
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__cx,
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&__text,
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#captured
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){
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Ok(vnode) => vnode,
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Err(err) => __cx.text(format_args!("{:?}", err))
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}
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}
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else {
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panic!("rsx: line number {:?} not found in rsx index", __line_num);
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}
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})
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}
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else {
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panic!("rsx: line number {:?} not found in rsx index", __line_num);
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}
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})
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}
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.into()
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}
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Err(err) => err.into_compile_error().into(),
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}
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.into()
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}
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#[cfg(not(feature = "hot_reload"))]
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body.to_token_stream().into()
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@ -9,8 +9,4 @@ license = "MIT/Apache-2.0"
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[dependencies]
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proc-macro2 = { version = "1.0" }
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syn = { version = "1.0", features = ["full", "extra-traits"] }
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quote = { version = "1.0", optional = true }
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[features]
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default = ["to_tokens"]
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to_tokens = ["quote"]
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quote = { version = "1.0" }
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@ -14,7 +14,6 @@
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use super::*;
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use proc_macro2::TokenStream as TokenStream2;
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#[cfg(feature = "to_tokens")]
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use quote::{quote, ToTokens, TokenStreamExt};
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use syn::{
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ext::IdentExt,
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@ -73,7 +72,6 @@ impl Parse for Component {
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}
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}
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#[cfg(feature = "to_tokens")]
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impl ToTokens for Component {
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fn to_tokens(&self, tokens: &mut TokenStream2) {
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let name = &self.name;
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@ -1,7 +1,6 @@
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use super::*;
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use proc_macro2::TokenStream as TokenStream2;
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#[cfg(feature = "to_tokens")]
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use quote::{quote, ToTokens, TokenStreamExt};
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use syn::{
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parse::{Parse, ParseBuffer, ParseStream},
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@ -159,7 +158,6 @@ impl Parse for Element {
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}
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}
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#[cfg(feature = "to_tokens")]
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impl ToTokens for Element {
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fn to_tokens(&self, tokens: &mut TokenStream2) {
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let name = &self.name;
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@ -218,7 +216,6 @@ pub struct ElementAttrNamed {
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pub attr: ElementAttr,
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}
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#[cfg(feature = "to_tokens")]
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impl ToTokens for ElementAttrNamed {
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fn to_tokens(&self, tokens: &mut TokenStream2) {
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let ElementAttrNamed { el_name, attr } = self;
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@ -1,24 +1,60 @@
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#[cfg(feature = "to_tokens")]
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use ::quote::{quote, ToTokens};
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use ::std::ops::Not;
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use ::syn::{
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use proc_macro2::{Span, TokenStream};
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use quote::{quote, ToTokens};
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use syn::{
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parse::{Parse, ParseStream},
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punctuated::Punctuated,
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*,
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};
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use proc_macro2::TokenStream;
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#[cfg(feature = "to_tokens")]
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pub fn format_args_f_impl(input: IfmtInput) -> Result<TokenStream> {
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let IfmtInput {
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format_literal,
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positional_args,
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named_args,
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} = input;
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// build format_literal
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let mut format_literal = String::new();
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let mut expr_counter = 0;
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for segment in input.segments.iter() {
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match segment {
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Segment::Literal(s) => format_literal += &s,
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Segment::Formatted {
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format_args,
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segment,
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} => {
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format_literal += "{";
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match segment {
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FormattedSegment::Expr(_) => {
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format_literal += &expr_counter.to_string();
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expr_counter += 1;
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}
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FormattedSegment::Ident(ident) => {
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format_literal += &ident.to_string();
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}
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}
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format_literal += ":";
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format_literal += format_args;
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format_literal += "}";
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}
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}
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}
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let named_args = named_args.into_iter().map(|(ident, expr)| {
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quote! {
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#ident = #expr
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let positional_args = input.segments.iter().filter_map(|seg| {
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if let Segment::Formatted { segment, .. } = seg {
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if let FormattedSegment::Expr(expr) = segment {
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Some(expr)
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} else {
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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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let named_args = input.segments.iter().filter_map(|seg| {
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if let Segment::Formatted { segment, .. } = seg {
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if let FormattedSegment::Ident(ident) = segment {
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Some(quote! {#ident = #ident})
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} else {
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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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@ -34,219 +70,102 @@ pub fn format_args_f_impl(input: IfmtInput) -> Result<TokenStream> {
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#[allow(dead_code)] // dumb compiler does not see the struct being used...
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#[derive(Debug)]
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pub struct IfmtInput {
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pub format_literal: LitStr,
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pub positional_args: Vec<Expr>,
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pub named_args: Vec<(Ident, Expr)>,
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pub segments: Vec<Segment>,
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}
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impl IfmtInput {
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fn parse_segments(self) -> Result<Self> {
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let IfmtInput {
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mut format_literal,
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mut positional_args,
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mut named_args,
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} = self;
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let s = format_literal.value();
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let out_format_literal = &mut String::with_capacity(s.len());
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let mut iterator = s.char_indices().peekable();
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while let Some((i, c)) = iterator.next() {
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out_format_literal.push(c);
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if c != '{' {
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continue;
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}
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// encountered `{`, let's see if it was `{{`
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if let Some(&(_, '{')) = iterator.peek() {
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let _ = iterator.next();
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out_format_literal.push('{');
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continue;
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}
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let (end, colon_or_closing_brace) = iterator
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.find(|&(_, c)| c == '}' || c == ':')
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.expect(concat!(
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"Invalid format string literal\n",
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"note: if you intended to print `{`, ",
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"you can escape it using `{{`",
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));
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// We use defer to ensure all the `continue`s append the closing char.
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let mut out_format_literal = defer(&mut *out_format_literal, |it| {
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it.push(colon_or_closing_brace)
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});
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let out_format_literal: &mut String = *out_format_literal;
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let mut arg = s[i + 1..end].trim();
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if let Some("=") = arg.get(arg.len().saturating_sub(1)..) {
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assert_eq!(
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out_format_literal.pop(), // Remove the opening brace
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Some('{'),
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);
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arg = &arg[..arg.len() - 1];
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out_format_literal.push_str(arg);
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out_format_literal.push_str(" = {");
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}
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if arg.is_empty() {
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continue;
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}
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#[derive(Debug)]
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enum Segment {
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Ident(Ident),
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LitInt(LitInt),
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}
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let segments: Vec<Segment> = {
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impl Parse for Segment {
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fn parse(input: ParseStream<'_>) -> Result<Self> {
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let lookahead = input.lookahead1();
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if lookahead.peek(Ident) {
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input.parse().map(Segment::Ident)
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} else if lookahead.peek(LitInt) {
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input.parse().map(Segment::LitInt)
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} else {
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Err(lookahead.error())
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}
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}
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pub fn from_str(input: &str) -> Result<Self> {
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let mut chars = input.chars().peekable();
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let mut segments = Vec::new();
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let mut current_literal = String::new();
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while let Some(c) = chars.next() {
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if c == '{' {
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if let Some(c) = chars.next_if(|c| *c == '{') {
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current_literal.push(c);
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continue;
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}
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match ::syn::parse::Parser::parse_str(
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Punctuated::<Segment, Token![.]>::parse_separated_nonempty,
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arg,
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) {
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Ok(segments) => segments.into_iter().collect(),
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Err(err) => return Err(err),
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}
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};
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match segments.len() {
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0 => unreachable!("`parse_separated_nonempty` returned empty"),
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1 => {
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out_format_literal.push_str(arg);
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match { segments }.pop().unwrap() {
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Segment::LitInt(_) => {
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// found something like `{0}`, let `format_args!`
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// handle it.
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continue;
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}
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Segment::Ident(ident) => {
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// if `ident = ...` is not yet among the extra args
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if named_args.iter().all(|(it, _)| *it != ident) {
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named_args.push((
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ident.clone(),
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parse_quote!(#ident), // Expr
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));
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segments.push(Segment::Literal(current_literal));
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current_literal = String::new();
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let mut current_captured = String::new();
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while let Some(c) = chars.next() {
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if c == ':' {
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let mut current_format_args = String::new();
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while let Some(c) = chars.next() {
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if c == '}' {
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segments.push(Segment::Formatted {
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format_args: current_format_args,
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segment: FormattedSegment::parse(¤t_captured)?,
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});
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break;
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}
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current_format_args.push(c);
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}
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break;
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}
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if c == '}' {
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segments.push(Segment::Formatted {
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format_args: String::new(),
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segment: FormattedSegment::parse(¤t_captured)?,
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});
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break;
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}
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current_captured.push(c);
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}
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_ => {
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::std::fmt::Write::write_fmt(
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out_format_literal,
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format_args!("{}", positional_args.len()),
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)
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.expect("`usize` or `char` Display impl cannot panic");
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let segments: Punctuated<TokenStream, Token![.]> = segments
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.into_iter()
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.map(|it| match it {
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Segment::Ident(ident) => ident.into_token_stream(),
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Segment::LitInt(literal) => literal.into_token_stream(),
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})
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.collect();
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positional_args.push(parse_quote! {
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#segments
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})
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}
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} else {
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current_literal.push(c);
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}
|
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}
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format_literal = LitStr::new(out_format_literal, format_literal.span());
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Ok(Self {
|
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format_literal,
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positional_args,
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named_args,
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})
|
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segments.push(Segment::Literal(current_literal));
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Ok(Self { segments })
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}
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}
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fn parse_positional_args(input: ParseStream) -> Result<Self> {
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let format_literal = input.parse()?;
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let mut positional_args = vec![];
|
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loop {
|
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if input.parse::<Option<Token![,]>>()?.is_none() {
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return Ok(Self {
|
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format_literal,
|
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positional_args,
|
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named_args: vec![],
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});
|
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#[derive(Debug)]
|
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pub enum Segment {
|
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Literal(String),
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Formatted {
|
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format_args: String,
|
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segment: FormattedSegment,
|
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},
|
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}
|
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|
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#[derive(Debug)]
|
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pub enum FormattedSegment {
|
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Expr(Expr),
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Ident(Ident),
|
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}
|
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|
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impl FormattedSegment {
|
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fn parse(input: &str) -> Result<Self> {
|
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if let Ok(ident) = parse_str::<Ident>(input) {
|
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if &ident.to_string() == input {
|
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return Ok(Self::Ident(ident));
|
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}
|
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if input.peek(Ident) && input.peek2(Token![=]) && input.peek3(Token![=]).not() {
|
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// Found a positional parameter
|
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break;
|
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}
|
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positional_args.push(input.parse()?);
|
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}
|
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let named_args = Punctuated::<_, Token![,]>::parse_terminated_with(input, |input| {
|
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Ok({
|
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let name: Ident = input.parse()?;
|
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let _: Token![=] = input.parse()?;
|
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let expr: Expr = input.parse()?;
|
||||
(name, expr)
|
||||
})
|
||||
})?
|
||||
.into_iter()
|
||||
.collect();
|
||||
if let Ok(expr) = parse_str(&("{".to_string() + input + "}")) {
|
||||
Ok(Self::Expr(expr))
|
||||
} else {
|
||||
Err(Error::new(
|
||||
Span::call_site(),
|
||||
"Expected Ident or Expression",
|
||||
))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Ok(Self {
|
||||
format_literal,
|
||||
positional_args,
|
||||
named_args,
|
||||
})
|
||||
impl ToTokens for FormattedSegment {
|
||||
fn to_tokens(&self, tokens: &mut TokenStream) {
|
||||
match self {
|
||||
Self::Expr(expr) => expr.to_tokens(tokens),
|
||||
Self::Ident(ident) => ident.to_tokens(tokens),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Parse for IfmtInput {
|
||||
fn parse(input: ParseStream) -> Result<Self> {
|
||||
Self::parse_positional_args(input).and_then(|new| new.parse_segments())
|
||||
let input: LitStr = input.parse()?;
|
||||
let input_str = input.value();
|
||||
IfmtInput::from_str(&input_str)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn defer<'a, T: 'a, Drop: 'a>(x: T, drop: Drop) -> impl ::core::ops::DerefMut<Target = T> + 'a
|
||||
where
|
||||
Drop: FnOnce(T),
|
||||
{
|
||||
use ::core::mem::ManuallyDrop;
|
||||
struct Ret<T, Drop>(ManuallyDrop<T>, ManuallyDrop<Drop>)
|
||||
where
|
||||
Drop: FnOnce(T);
|
||||
impl<T, Drop> ::core::ops::Drop for Ret<T, Drop>
|
||||
where
|
||||
Drop: FnOnce(T),
|
||||
{
|
||||
fn drop(&'_ mut self) {
|
||||
use ::core::ptr;
|
||||
unsafe {
|
||||
// # Safety
|
||||
//
|
||||
// - This is the canonical example of using `ManuallyDrop`.
|
||||
let value = ManuallyDrop::into_inner(ptr::read(&self.0));
|
||||
let drop = ManuallyDrop::into_inner(ptr::read(&self.1));
|
||||
drop(value);
|
||||
}
|
||||
}
|
||||
}
|
||||
impl<T, Drop> ::core::ops::Deref for Ret<T, Drop>
|
||||
where
|
||||
Drop: FnOnce(T),
|
||||
{
|
||||
type Target = T;
|
||||
#[inline]
|
||||
fn deref(&'_ self) -> &'_ Self::Target {
|
||||
&self.0
|
||||
}
|
||||
}
|
||||
impl<T, Drop> ::core::ops::DerefMut for Ret<T, Drop>
|
||||
where
|
||||
Drop: FnOnce(T),
|
||||
{
|
||||
#[inline]
|
||||
fn deref_mut(&'_ mut self) -> &'_ mut Self::Target {
|
||||
&mut self.0
|
||||
}
|
||||
}
|
||||
Ret(ManuallyDrop::new(x), ManuallyDrop::new(drop))
|
||||
}
|
||||
|
|
|
@ -1,7 +1,6 @@
|
|||
use super::*;
|
||||
|
||||
use proc_macro2::TokenStream as TokenStream2;
|
||||
#[cfg(feature = "to_tokens")]
|
||||
use quote::{quote, ToTokens, TokenStreamExt};
|
||||
use syn::{
|
||||
parse::{Parse, ParseStream},
|
||||
|
@ -79,7 +78,6 @@ impl Parse for BodyNode {
|
|||
}
|
||||
}
|
||||
|
||||
#[cfg(feature = "to_tokens")]
|
||||
impl ToTokens for BodyNode {
|
||||
fn to_tokens(&self, tokens: &mut TokenStream2) {
|
||||
match &self {
|
||||
|
|
|
@ -1,8 +1,10 @@
|
|||
use dioxus_core::{Listener, VNode};
|
||||
use dioxus_rsx::{BodyNode, CallBody, Component, ElementAttr, ElementAttrNamed, IfmtInput};
|
||||
use dioxus_rsx::{
|
||||
BodyNode, CallBody, Component, ElementAttr, ElementAttrNamed, IfmtInput, Segment,
|
||||
};
|
||||
use quote::{quote, ToTokens, TokenStreamExt};
|
||||
use std::collections::HashMap;
|
||||
use syn::Expr;
|
||||
use syn::{Expr, Result};
|
||||
|
||||
#[derive(Default)]
|
||||
pub struct CapturedContextBuilder {
|
||||
|
@ -24,15 +26,15 @@ impl CapturedContextBuilder {
|
|||
self.captured_expressions.extend(other.captured_expressions);
|
||||
}
|
||||
|
||||
pub fn from_call_body(body: CallBody) -> Self {
|
||||
pub fn from_call_body(body: CallBody) -> Result<Self> {
|
||||
let mut new = Self::default();
|
||||
for node in body.roots {
|
||||
new.extend(Self::find_captured(node));
|
||||
new.extend(Self::find_captured(node)?);
|
||||
}
|
||||
new
|
||||
Ok(new)
|
||||
}
|
||||
|
||||
fn find_captured(node: BodyNode) -> Self {
|
||||
fn find_captured(node: BodyNode) -> Result<Self> {
|
||||
let mut captured = CapturedContextBuilder::default();
|
||||
match node {
|
||||
BodyNode::Element(el) => {
|
||||
|
@ -40,7 +42,7 @@ impl CapturedContextBuilder {
|
|||
match attr.attr {
|
||||
ElementAttr::AttrText { name, value } => {
|
||||
let (name, value_tokens) = (name.to_string(), value.to_token_stream());
|
||||
let formated: IfmtInput = syn::parse2(value_tokens).unwrap();
|
||||
let formated: IfmtInput = syn::parse2(value_tokens)?;
|
||||
captured.attributes.insert(name, formated);
|
||||
}
|
||||
ElementAttr::AttrExpression { name: _, value } => {
|
||||
|
@ -48,7 +50,7 @@ impl CapturedContextBuilder {
|
|||
}
|
||||
ElementAttr::CustomAttrText { name, value } => {
|
||||
let (name, value_tokens) = (name.value(), value.to_token_stream());
|
||||
let formated: IfmtInput = syn::parse2(value_tokens).unwrap();
|
||||
let formated: IfmtInput = syn::parse2(value_tokens)?;
|
||||
captured.attributes.insert(name, formated);
|
||||
}
|
||||
ElementAttr::CustomAttrExpression { name: _, value } => {
|
||||
|
@ -58,7 +60,7 @@ impl CapturedContextBuilder {
|
|||
}
|
||||
}
|
||||
for child in el.children {
|
||||
captured.extend(Self::find_captured(child));
|
||||
captured.extend(Self::find_captured(child)?);
|
||||
}
|
||||
}
|
||||
BodyNode::Component(comp) => {
|
||||
|
@ -71,7 +73,7 @@ impl CapturedContextBuilder {
|
|||
}
|
||||
BodyNode::RawExpr(_) => captured.iterators.push(node),
|
||||
}
|
||||
captured
|
||||
Ok(captured)
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -95,34 +97,41 @@ impl ToTokens for CapturedContextBuilder {
|
|||
BodyNode::RawExpr(expr) => expr.to_token_stream().to_string(),
|
||||
_ => unreachable!(),
|
||||
});
|
||||
let captured_named: Vec<_> = attributes
|
||||
.iter()
|
||||
.map(|(_, fmt)| fmt.named_args.iter())
|
||||
.chain(text.iter().map(|fmt| fmt.named_args.iter()))
|
||||
let captured: Vec<_> = attributes
|
||||
.values()
|
||||
.chain(text.iter())
|
||||
.map(|input| input.segments.iter())
|
||||
.flatten()
|
||||
.filter_map(|seg| match seg {
|
||||
Segment::Formatted {
|
||||
format_args,
|
||||
segment,
|
||||
} => {
|
||||
let expr = segment.to_token_stream();
|
||||
let as_string = expr.to_string();
|
||||
let format_expr = if format_args.is_empty() {
|
||||
"{".to_string() + format_args + "}"
|
||||
} else {
|
||||
"{".to_string() + ":" + format_args + "}"
|
||||
};
|
||||
Some(quote! {
|
||||
FormattedArg{
|
||||
expr: #as_string,
|
||||
format_args: #format_args,
|
||||
result: format!(#format_expr, #expr)
|
||||
}
|
||||
})
|
||||
}
|
||||
_ => None,
|
||||
})
|
||||
.collect();
|
||||
let captured_expr: Vec<_> = attributes
|
||||
.iter()
|
||||
.map(|(_, fmt)| fmt.positional_args.iter())
|
||||
.chain(text.iter().map(|fmt| fmt.positional_args.iter()))
|
||||
.flatten()
|
||||
.collect();
|
||||
let captured_names = captured_named.iter().map(|(n, _)| n.to_string()).chain(
|
||||
captured_expr
|
||||
.iter()
|
||||
.map(|expr| expr.to_token_stream().to_string()),
|
||||
);
|
||||
let captured_expr = captured_named
|
||||
.iter()
|
||||
.map(|(_, e)| e)
|
||||
.chain(captured_expr.iter().map(|expr| *expr));
|
||||
let captured_attr_expressions_text = captured_expressions
|
||||
.iter()
|
||||
.map(|e| format!("{}", e.to_token_stream()));
|
||||
tokens.append_all(quote! {
|
||||
CapturedContext {
|
||||
captured: IfmtArgs{
|
||||
named_args: vec![#((#captured_names, #captured_expr.to_string())),*]
|
||||
named_args: vec![#(#captured),*]
|
||||
},
|
||||
components: vec![#((#compontents_str, #components)),*],
|
||||
iterators: vec![#((#iterators_str, #iterators)),*],
|
||||
|
@ -149,6 +158,12 @@ pub struct CapturedContext<'a> {
|
|||
}
|
||||
|
||||
pub struct IfmtArgs {
|
||||
// live reload only supports named arguments
|
||||
pub named_args: Vec<(&'static str, String)>,
|
||||
// map expressions to the value string they produced
|
||||
pub named_args: Vec<FormattedArg>,
|
||||
}
|
||||
|
||||
pub struct FormattedArg {
|
||||
pub expr: &'static str,
|
||||
pub format_args: &'static str,
|
||||
pub result: String,
|
||||
}
|
||||
|
|
|
@ -1,7 +1,6 @@
|
|||
use dioxus_core::{Attribute, AttributeValue, NodeFactory, VNode};
|
||||
use dioxus_rsx::{BodyNode, CallBody, ElementAttr};
|
||||
use dioxus_rsx::{BodyNode, CallBody, ElementAttr, IfmtInput, Segment};
|
||||
use quote::ToTokens;
|
||||
use std::str::FromStr;
|
||||
use syn::{parse2, parse_str, Expr};
|
||||
|
||||
use crate::attributes::attrbute_to_static_str;
|
||||
|
@ -9,28 +8,31 @@ use crate::captuered_context::{CapturedContext, IfmtArgs};
|
|||
use crate::elements::element_to_static_str;
|
||||
use crate::error::{Error, RecompileReason};
|
||||
|
||||
#[derive(Debug)]
|
||||
enum Segment {
|
||||
Ident(String),
|
||||
Literal(String),
|
||||
}
|
||||
struct InterpertedIfmt(IfmtInput);
|
||||
|
||||
struct InterperedIfmt {
|
||||
segments: Vec<Segment>,
|
||||
}
|
||||
|
||||
impl InterperedIfmt {
|
||||
impl InterpertedIfmt {
|
||||
fn resolve(&self, captured: &IfmtArgs) -> String {
|
||||
let mut result = String::new();
|
||||
for seg in &self.segments {
|
||||
for seg in &self.0.segments {
|
||||
match seg {
|
||||
Segment::Ident(name) => {
|
||||
let (_, value) = captured
|
||||
Segment::Formatted {
|
||||
segment,
|
||||
format_args,
|
||||
} => {
|
||||
let expr = segment.to_token_stream();
|
||||
let expr_str = expr.to_string();
|
||||
let expr: Expr = parse2(expr).unwrap();
|
||||
let formatted = captured
|
||||
.named_args
|
||||
.iter()
|
||||
.find(|(n, _)| *n == name)
|
||||
.expect(format!("could not resolve {}", name).as_str());
|
||||
result.push_str(value);
|
||||
.find(|fmted| {
|
||||
parse_str::<Expr>(fmted.expr).unwrap() == expr
|
||||
&& fmted.format_args == format_args
|
||||
})
|
||||
.expect(
|
||||
format!("could not resolve {{{}:{}}}", expr_str, format_args).as_str(),
|
||||
);
|
||||
result.push_str(&formatted.result);
|
||||
}
|
||||
Segment::Literal(lit) => result.push_str(lit),
|
||||
}
|
||||
|
@ -39,52 +41,6 @@ impl InterperedIfmt {
|
|||
}
|
||||
}
|
||||
|
||||
impl FromStr for InterperedIfmt {
|
||||
type Err = ();
|
||||
fn from_str(input: &str) -> Result<Self, ()> {
|
||||
let mut segments = Vec::new();
|
||||
let mut segment = String::new();
|
||||
let mut chars = input.chars().peekable();
|
||||
while let Some(c) = chars.next() {
|
||||
if c == '{' {
|
||||
if chars.peek().copied() != Some('{') {
|
||||
let old;
|
||||
(old, segment) = (segment, String::new());
|
||||
if !old.is_empty() {
|
||||
segments.push(Segment::Literal(old));
|
||||
}
|
||||
while let Some(c) = chars.next() {
|
||||
if c == '}' {
|
||||
let old;
|
||||
(old, segment) = (segment, String::new());
|
||||
if !old.is_empty() {
|
||||
segments.push(Segment::Ident(old));
|
||||
}
|
||||
break;
|
||||
}
|
||||
if c == ':' {
|
||||
while Some('}') != chars.next() {}
|
||||
let old;
|
||||
(old, segment) = (segment, String::new());
|
||||
if !old.is_empty() {
|
||||
segments.push(Segment::Ident(old));
|
||||
}
|
||||
break;
|
||||
}
|
||||
segment.push(c);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
segment.push(c);
|
||||
}
|
||||
}
|
||||
if !segment.is_empty() {
|
||||
segments.push(Segment::Literal(segment));
|
||||
}
|
||||
Ok(Self { segments })
|
||||
}
|
||||
}
|
||||
|
||||
pub fn build<'a>(
|
||||
rsx: CallBody,
|
||||
mut ctx: CapturedContext<'a>,
|
||||
|
@ -105,7 +61,9 @@ fn build_node<'a>(
|
|||
let bump = factory.bump();
|
||||
match node {
|
||||
BodyNode::Text(text) => {
|
||||
let ifmt: InterperedIfmt = text.value().parse().unwrap();
|
||||
let ifmt = InterpertedIfmt(
|
||||
IfmtInput::from_str(&text.value()).map_err(|err| Error::ParseError(err))?,
|
||||
);
|
||||
let text = bump.alloc(ifmt.resolve(&ctx.captured));
|
||||
Ok(factory.text(format_args!("{}", text)))
|
||||
}
|
||||
|
@ -114,13 +72,21 @@ fn build_node<'a>(
|
|||
for attr in &el.attributes {
|
||||
match &attr.attr {
|
||||
ElementAttr::AttrText { .. } | ElementAttr::CustomAttrText { .. } => {
|
||||
let (name, value): (String, InterperedIfmt) = match &attr.attr {
|
||||
ElementAttr::AttrText { name, value } => {
|
||||
(name.to_string(), value.value().parse().unwrap())
|
||||
}
|
||||
ElementAttr::CustomAttrText { name, value } => {
|
||||
(name.value(), value.value().parse().unwrap())
|
||||
}
|
||||
let (name, value): (String, InterpertedIfmt) = match &attr.attr {
|
||||
ElementAttr::AttrText { name, value } => (
|
||||
name.to_string(),
|
||||
InterpertedIfmt(
|
||||
IfmtInput::from_str(&value.value())
|
||||
.map_err(|err| Error::ParseError(err))?,
|
||||
),
|
||||
),
|
||||
ElementAttr::CustomAttrText { name, value } => (
|
||||
name.value(),
|
||||
InterpertedIfmt(
|
||||
IfmtInput::from_str(&value.value())
|
||||
.map_err(|err| Error::ParseError(err))?,
|
||||
),
|
||||
),
|
||||
_ => unreachable!(),
|
||||
};
|
||||
|
||||
|
@ -145,7 +111,6 @@ fn build_node<'a>(
|
|||
ElementAttr::CustomAttrExpression { name, value } => {
|
||||
(name.value(), value)
|
||||
}
|
||||
|
||||
_ => unreachable!(),
|
||||
};
|
||||
if let Some((_, resulting_value)) = ctx
|
||||
|
@ -219,7 +184,9 @@ fn build_node<'a>(
|
|||
None,
|
||||
)),
|
||||
Some(lit) => {
|
||||
let ifmt: InterperedIfmt = lit.value().parse().unwrap();
|
||||
let ifmt: InterpertedIfmt = InterpertedIfmt(
|
||||
parse_str(&lit.value()).map_err(|err| Error::ParseError(err))?,
|
||||
);
|
||||
let key = bump.alloc(ifmt.resolve(&ctx.captured));
|
||||
|
||||
Ok(factory.raw_element(
|
||||
|
|
|
@ -61,7 +61,7 @@ pub mod prelude {
|
|||
|
||||
#[cfg(feature = "hot_reload")]
|
||||
pub use dioxus_rsx_interperter::{
|
||||
captuered_context::{CapturedContext, IfmtArgs},
|
||||
captuered_context::{CapturedContext, FormattedArg, IfmtArgs},
|
||||
get_line_num, interpert_rsx, with_hot_reload, CodeLocation, RsxTextIndex,
|
||||
};
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue