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//! Efficient tokens for `rcdom::RcDom` `Handle` parsing //! aiming for O(1) HTML DOM walking. //! //! This library aims to provide convenient and efficient handling of //! HTML DOM elements. //! //! ## Examples //! //!``` //! extern crate toks; //! #[macro_use] //! extern crate html5ever; //! //! use html5ever::parse_document; //! use html5ever::rcdom::{RcDom, Handle}; //! use html5ever::tendril::TendrilSink; //! //! use toks::{Tok, recursion}; //! use toks::prelude::*; //! use std::io::{self, Read}; //! //! pub struct LinkTok { //! total: u32, //! } //! //! impl Tok for LinkTok { //! fn is_match(&self, qn: &QualName) -> bool { //! qn.local == local_name!("a") //! } //! //! fn process(&mut self, _: RefCell<Vec<Attribute>>, _: RefCell<Vec<Handle>>) { //! self.total += 1; //! } //! } //! //! // How to use //! // $ cargo build --example count_links //! // $ cat your.html | ./target/debug/examples/count_links //! // Link <a> count 9 //! fn main() { //! let mut chunk = String::new(); //! io::stdin().read_to_string(&mut chunk).unwrap(); //! //! let dom = parse_document(RcDom::default(), Default::default()).one(chunk); //! //! let mut lt = LinkTok { total: 0 }; //! //! // Dropping mut reference //! { //! recursion(&mut vec![&mut lt], dom.document); //! } //! //! println!("Link <a> count {}", lt.total); //! } //!``` #![warn( missing_docs, missing_debug_implementations, missing_copy_implementations, trivial_casts, trivial_numeric_casts, unused_extern_crates, unused_import_braces, unused_qualifications, variant_size_differences )] extern crate html5ever; mod tok; mod toks; pub use tok::Tok; pub use toks::*; /// Prelude module contains several important traits that provide many /// of the convenience imports in advance. pub mod prelude { #[doc(no_inline)] pub use html5ever::interface::Attribute; pub use html5ever::QualName; pub use html5ever::rcdom::Handle; pub use std::cell::RefCell; }