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https://github.com/TxtDot/dalet-rs.git
synced 2024-11-21 16:26:21 +03:00
feat: full lexer and example
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9 changed files with 283 additions and 56 deletions
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@ -29,8 +29,7 @@ pub fn compress_zlib(data: &[u8]) -> std::io::Result<Vec<u8>> {
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c.finish()
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}
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#[test]
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fn bench() {
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fn main() {
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let page = vec![
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H("Heading 1".into(), Hl::One),
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H("Heading 2".into(), Hl::Two),
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129
examples/daleth.dlth
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129
examples/daleth.dlth
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@ -0,0 +1,129 @@
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# multilines
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#
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# {text} - input is trimmed with indent
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#
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# {~n text} - n is number of minimum spaces to add after trimming with indent
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# for each line
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#
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# {# text} - input not modified
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#
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# tag syntax
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#
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# tag: text body
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# tag { multiline text body }
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# body text always trimmed
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#
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# tag [ multiple tags body ]
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#
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# Arguments
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# tag argument
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#
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# Tags without body and argument also supported
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meta "title": Daleth syntax concept
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meta "description": This document describes Daleth syntax and some tags
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h1: TxtDot revolution
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p: TxtDot is a cool project
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# If no tag is specified, then the 'el' tag is placed
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This is element
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br
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# if no tag is specified but a '{}' is present, then the 'p' tag is placed
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# '\n' is deleted only in this format. If a break line is needed in a paragraph, use ' \n'.
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{
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Check Dalet too
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This is one paragraph
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}
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{ This is another paragraph }
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# ( ) for argument
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row "center" [
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link "https://github.com/txtdot/txtdot": Homepage
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btn "https://example.com/donate" [
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# tag without body
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img "https://example.com/donate.png"
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Donate
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]
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]
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# [] for multiple tags
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row [
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[
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h2: Features
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ul [
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Server-side page simplification
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Media proxy
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Image compression with Sharp
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Rendering client-side apps `Vanilla, React, Vue, etc` with webder
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Search with SearXNG
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Handy API endpoints
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No client JavaScript
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Some kind of Material Design 3
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Customization with plugins, see @txtdot/sdk and @txtdot/plugins
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]
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]
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[
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h2: Running
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[
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h3: Dev
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# {} for multiline strings, indent is automatically trimmed
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code {
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npm install
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npm run dev
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}
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# {~n Text} n is number of minimum spaces
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code "markdown" {~4
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this is codeblock
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}
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# {# Text} Text after "`# " not modified
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code "markdown" {# this is codeblock}
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]
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[
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h3: Production
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code {
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npm install
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npm run build
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npm run start
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}
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]
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[
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h3: Docker
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code: docker compose up -d
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]
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]
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]
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# Table has custom format if text used
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# +| cells | - primary column
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# | cells | - secondary column
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# | Element | Description | - converts to
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# tcol [
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# Element
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# Description
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# ]
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table {
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+| Tag | Description |
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| h | Heading |
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| p | Paragraph |
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| img | Image |
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| link | Link |
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| btn | Button |
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| ul | Unordered list |
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| br | Line break |
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+| quantity | 7 |
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}
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27
examples/daleth_lexer.rs
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27
examples/daleth_lexer.rs
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@ -0,0 +1,27 @@
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use ariadne::{Color, Label, Report, ReportKind, Source};
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use chumsky::Parser;
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use dalet::daleth::lexer::lexer;
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fn main() {
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let src_file = "daleth.dlth";
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let src = include_str!("./daleth.dlth");
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let parsed = lexer().parse(src);
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match parsed.into_result() {
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Ok(t) => println!("{:#?}", t),
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Err(e) => e.into_iter().for_each(|e| {
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Report::build(ReportKind::Error, src_file, e.span().start)
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.with_code("Compiler")
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.with_message(e.to_string().clone())
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.with_label(
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Label::new((src_file, e.span().into_range()))
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.with_message(e.to_string())
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.with_color(Color::Red),
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)
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.finish()
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.print((src_file, Source::from(&src)))
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.unwrap()
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}),
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}
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}
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9
examples/gemtext.rs
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9
examples/gemtext.rs
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@ -0,0 +1,9 @@
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use dalet::parsers::gemtext::parse_gemtext;
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fn main() {
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let text = include_str!("./gemtext.gmi");
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let parsed = parse_gemtext(text).unwrap();
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println!("{:#?}", parsed);
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}
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@ -4,61 +4,128 @@ pub mod types;
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pub fn lexer<'src>(
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) -> impl Parser<'src, &'src str, Vec<Spanned<Token<'src>>>, extra::Err<Rich<'src, char, Span>>> {
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let symbol = choice((
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just("(").to(Token::LParen).labelled("LParen"),
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just(")").to(Token::RParen).labelled("RParen"),
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just("{").to(Token::LAngle).labelled("LAngle"),
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just("}").to(Token::RAngle).labelled("RAngle"),
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just("[").to(Token::LSquare).labelled("LSquare"),
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just("]").to(Token::RSquare).labelled("RSquare"),
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just(":").to(Token::Colon).labelled("Colon"),
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let tag = choice((
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just("el").to(Token::El),
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just("h").to(Token::H),
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just("p").to(Token::P),
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just("br").to(Token::Br),
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just("ul").to(Token::Ul),
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just("ol").to(Token::Ol),
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just("row").to(Token::Row),
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just("link").to(Token::Link),
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just("navlink").to(Token::Navlink),
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just("btn").to(Token::Btn),
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just("navbtn").to(Token::Navbtn),
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just("img").to(Token::Img),
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just("table").to(Token::Table),
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just("tcol").to(Token::Tcol),
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just("tpcol").to(Token::Tpcol),
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just("hr").to(Token::Hr),
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just("b").to(Token::B),
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just("i").to(Token::I),
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just("bq").to(Token::Bq),
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just("footlnk").to(Token::Footlnk),
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just("footn").to(Token::Footn),
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just("a").to(Token::A),
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just("s").to(Token::S),
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just("sup").to(Token::Sup),
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just("sub").to(Token::Sub),
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just("disc").to(Token::Disc),
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))
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.labelled("symbol");
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.or(choice((
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just("block").to(Token::Block),
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just("carousel").to(Token::Carousel),
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just("code").to(Token::Code),
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just("pre").to(Token::Pre),
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just("meta").to(Token::Meta),
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)))
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.labelled("Tag");
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let number = text::int(10)
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.from_str()
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.unwrapped()
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.map(Token::Number)
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.labelled("number");
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let symbol = choice((
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// just("(").to(Token::LParen).labelled("("),
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// just(")").to(Token::RParen).labelled(")"),
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just("[").to(Token::LSquare).labelled("["),
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just("]").to(Token::RSquare).labelled("]"),
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// just(":").to(Token::Colon).labelled(":"),
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));
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let argument = {
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let arg_escape = just('\\')
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.ignore_then(just('"'))
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.labelled("Escape sequence for argument");
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let number = text::int(10)
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.from_str()
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.unwrapped()
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.map(Token::NumberArgument)
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.labelled("Number argument");
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let text_argument = none_of("\"\n\\")
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.or(arg_escape)
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.repeated()
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.to_slice()
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.delimited_by(just("\""), just("\""))
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.map(Token::TextArgument)
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.labelled("Text argument");
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choice((number, text_argument))
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};
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let textual = {
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let escape = just('\\')
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.ignore_then(choice((
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just("\\`").to('`'.to_owned()),
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just("\\]").to(']'.to_owned()),
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)))
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.labelled("escape sequence");
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.ignore_then(just('}'))
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.labelled("Multi-line escape sequence");
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let text = none_of("]\n")
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.or(escape.clone())
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let text = none_of("\n").repeated().to_slice();
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let text_body = text
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.delimited_by(just(':'), just('\n'))
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.map(Token::TextBody)
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.labelled("One line text body");
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let text_tag = text
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.then_ignore(just('\n'))
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.map(Token::TextTag)
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.labelled("Text tag");
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let multiline_text_body = none_of("}\\")
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.or(escape)
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.repeated()
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.to_slice()
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.map(Token::Text);
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.labelled("Body of multiline text");
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let multiline_text = none_of("`").or(escape).repeated();
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let mlms_n = just("{~")
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.ignore_then(text::int(10).from_str().unwrapped())
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.labelled("Minimum spaces number");
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let mltext = multiline_text
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let mlmstext = mlms_n
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.then(multiline_text_body.clone().to_slice())
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.then_ignore(just("}"))
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.map(|(n, t)| Token::MLMSText(n, t))
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.labelled("Multi line text with min spaces");
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let mltext = multiline_text_body
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.clone()
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.delimited_by(just('`'), just('`'))
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.to_slice()
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.delimited_by(just('{'), just('}'))
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.map(Token::MLText)
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.labelled("multiline text");
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.labelled("Multiline text");
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let mlmstext = multiline_text
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.delimited_by(just("`#"), just('`'))
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let rmltext = multiline_text_body
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.to_slice()
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.delimited_by(just("{#"), just('}'))
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.map(Token::RMLText)
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.labelled("raw multiline text");
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.labelled("Raw multiline text");
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choice((mltext, mlmstext, text))
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choice((mlmstext, mltext, rmltext, text_body, text_tag))
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};
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let comment = just("#")
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.then(none_of("\n").repeated())
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let comment = none_of("\n")
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.repeated()
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.to_slice()
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.delimited_by(just('#'), just('\n'))
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.map(Token::Comment);
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let token = choice((symbol, number, textual, comment));
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let token = choice((comment, symbol, tag, argument, textual));
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token
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.map_with(|t, e| (t, e.span()))
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@ -7,23 +7,22 @@ pub type Spanned<T> = (T, Span);
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pub enum Token<'src> {
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// Symbols
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/// (
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LParen,
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// LParen,
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/// )
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RParen,
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/// {
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LAngle,
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/// }
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RAngle,
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// RParen,
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/// [
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LSquare,
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/// ]
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RSquare,
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/// :
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Colon,
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// Colon,
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// Values
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Number(u8),
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Text(&'src str),
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// Arguments
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NumberArgument(u8),
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TextArgument(&'src str),
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// Body
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TextBody(&'src str),
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/// Multi Line text
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MLText(&'src str),
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/// Multi Line with min spaces text
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@ -33,6 +32,7 @@ pub enum Token<'src> {
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/// Special
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Comment(&'src str),
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TextTag(&'src str),
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// Tags
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El,
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@ -67,3 +67,9 @@ pub enum Token<'src> {
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Pre,
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Meta,
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}
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#[derive(Clone, Debug, PartialEq)]
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pub enum Argument<'src> {
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Number(u8),
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Argument(&'src str),
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}
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@ -1,10 +0,0 @@
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use dalet::parsers::gemtext::parse_gemtext;
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#[test]
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fn gem_text() {
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let text = include_str!("./gemtext.gmi");
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let _ = parse_gemtext(text).unwrap();
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// println!("{:#?}", parsed);
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}
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