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//! An extension of Markdown for play scripts //! //! This crate is a parser of an extension of Markdown for stage play scripts. //! It defines an extended grammar of texts in paragraphs. //! It is implemented as a filter for `struct Parser` of pulldown-cmark crate. //! The goal of this parser is emit an HTML document. //! Thus it is recommended to pass the parser to `pulldown_cmark::html::push_html` or `write_html`. //! //! This crate has an implementation of mdbook preprocessor: //! [mdbook-playscript](https://github.com/ShotaroTsuji/mdbook-playscript). //! //! # Example //! //! ## Play script format //! //! A line starts with a string and a right angle denotes a character's speech. //! The text before the right angle is the character name and the text after the right angle //! is the speech of the character. //! //! ```ignore //! A> Hello! //! ``` //! //! A text between a pair of parentheses in a speech is the content of a direction. //! //! ```ignore //! A> Hello! (some direction) //! ``` //! //! A direction can be placed after the character name. //! No space is allowed between the right parenthesis and the right angle. //! //! ```ignore //! A (running)> Hello! //! ``` //! //! ## Directives //! //! Directives are written as HTML comments. //! There are four directives: //! - playscript-on //! - playscript-off //! - playscript-monologue-begin //! - playscript-monologue-end //! //! `<!-- playscript-on -->` and `<!-- playscript-off -->` switch the parser on and off //! respectively. //! //! Monologues are surrounded by the directives: `<!-- playscript-monologue-begin -->` //! and `<!-- playscript-monologue-end -->`. //! The texts surrounded by the monologue directives are styled in the normal font style and the //! directions between the directives are styled in italic. //! //! Other forms of texts are handled as normal paragraphs. //! //! The examples above are converted into the following HTML: //! //! ``` //! use pulldown_cmark::Parser; //! use pulldown_cmark::html::push_html; //! use mdplayscript::MdPlayScript; //! //! fn convert(s: &str) -> String { //! let p = MdPlayScript::new(Parser::new(s)); //! let mut buf = String::new(); //! push_html(&mut buf, p); //! buf //! } //! //! assert_eq!(convert("A> Hello!"), //! r#"<div class="speech"><h5><span class="character">A</span></h5><p><span>Hello!</span></p></div> //! "#); //! assert_eq!(convert("A> Hello! (some direction)"), //! r#"<div class="speech"><h5><span class="character">A</span></h5><p><span>Hello!</span><span class="direction">some direction</span></p></div> //! "#); //! assert_eq!(convert("A (running)> Hello!"), //! r#"<div class="speech"><h5><span class="character">A</span><span class="direction">running</span></h5><p><span>Hello!</span></p></div> //! "#); //! assert_eq!(convert(r#"<!-- playscript-monologue-begin --> //! Monologue //! (direction) //! <!-- playscript-monologue-end --> //! "#), //! r#"<!-- playscript-monologue-begin --> //! <div class="speech"><p><span>Monologue</span><span class="direction">direction</span></p></div><!-- playscript-monologue-end --> //! "#); //! ``` //! //! ## CLI program //! //! This crate has no proper CLI program. It only has a tiny example program: `examples/single.rs`. //! It converts a single Markdown into an HTML document. //! The generated document has a link element which specifies a style sheet `examples/play.css`. //! I prepared an example input file: `examples/figaro.md`. //! The output file is //! [`public/figaro.html`](https://shotarotsuji.github.io/mdplayscript/figaro.html). //! //! For Japanese play scripts, I prepared a style sheet `examples/play_ja.css`. //! If you pass `-l ja` option to `examples/single.rs`, it uses the style sheet //! `examples/play_ja.css`. //! The output file is //! [`public/yushima.html`](https://shotarotsuji.github.io/mdplayscript/yushima.html). //! //! # ToDo //! //! - [ ] Refactor test codes //! //! # License //! //! This crate is licensed under MIT License except the following files: //! - `examples/figaro.md`: CC-BY-SA 3.0, //! - `examples/yushima.md`: Copyleft. //! pub mod parser; pub mod speech; pub mod renderer; pub mod interface; pub use interface::{MdPlayScript, Options, Params}; pub fn find_one_of(s: &str, ps: &str) -> Option<(usize, char)> { s.char_indices() .find(|(_, c)| ps.contains(*c)) } pub fn find_puncts_end(s: &str, p: char) -> (&str, &str) { assert!(s.starts_with(p)); for (index, c) in s.char_indices() { if c != p { return (&s[..index], &s[index..]); } } (s, "") }