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//! Sass reimplemented in rust with nom. //! //! The "r" in the name might stand for the Rust programming language, //! or for my name Rasmus. //! //! # Example //! //! ``` //! use rsass::{OutputStyle, compile_scss_file}; //! //! let file = "tests/basic/14_imports/a.scss".as_ref(); //! let css = compile_scss_file(file, OutputStyle::Compressed).unwrap(); //! //! assert_eq!(css, b"div span{moo:goo}\n") //! ``` //! //! # Sass language and implemetation status //! //! The sass language [is defined in its reference //! doc](http://sass-lang.com/documentation/file.SASS_REFERENCE.html). //! This implementation is incomplete but getting there, if slowly. //! //! Progress: ![1466](http://progressed.io/bar/146?scale=333&suffix=6) //! of 3339 tests passed //! (or 1520 of 6094 when claiming to be libsass). //! //! If you want a working rust library for sass right now, you will //! probably be better of with [sass-rs](https://crates.io/crates/sass-rs) //! which is a rust wrapper around libsass. //! Another alternative is [sassers](https://crates.io/crates/sassers) //! which is another early stage pure rust implementation. //! That said, this implementation has reached a version where I find it //! usable for my personal projects, and the number of working tests are //! improving. #[macro_use] extern crate lazy_static; #[macro_use] extern crate nom; extern crate num_rational; extern crate num_traits; extern crate rand; use std::path::Path; mod error; mod functions; mod selectors; mod value; mod variablescope; mod ordermap; mod output_style; mod parser; mod file_context; pub mod sass; pub mod css; pub use error::Error; pub use file_context::FileContext; pub use functions::SassFunction; pub use num_rational::Rational; pub use output_style::OutputStyle; pub use parser::{parse_scss_data, parse_scss_file, parse_value_data}; pub use sass::Item; pub use value::{ListSeparator, Quotes, Unit}; pub use variablescope::{GlobalScope, Scope}; /// Parse scss data from a buffer and write css in the given style. /// /// # Example /// /// ``` /// use rsass::compile_value; /// /// assert_eq!(compile_value(b"10px + 4px").unwrap(), b"14px"); /// ``` pub fn compile_value(input: &[u8]) -> Result<Vec<u8>, Error> { let scope = GlobalScope::new(); let value = parse_value_data(input)?; let buffer = format!("{}", value.evaluate(&scope)).into_bytes(); Ok(buffer) } /// Parse scss data from a buffer and write css in the given style. /// /// # Example /// /// ``` /// use rsass::{OutputStyle, compile_scss}; /// /// assert_eq!(compile_scss(b"foo {\n\ /// bar {\n\ /// baz:value;\n\ /// }\n\ /// }", OutputStyle::Compressed).unwrap(), /// b"foo bar{baz:value}\n") /// ``` pub fn compile_scss(input: &[u8], style: OutputStyle) -> Result<Vec<u8>, Error> { let file_context = FileContext::new(); let items = parse_scss_data(input)?; style.write_root(&items, &mut GlobalScope::new(), &file_context) } /// Parse a file of scss data and write css in the given style. /// /// Any `@import` directives will be handled relative to the directory /// part of `file`. /// /// # Example /// /// ``` /// use rsass::{OutputStyle, compile_scss_file}; /// /// assert_eq!(compile_scss_file("tests/basic/14_imports/a.scss".as_ref(), /// OutputStyle::Compressed).unwrap(), /// b"div span{moo:goo}\n") /// ``` pub fn compile_scss_file(file: &Path, style: OutputStyle) -> Result<Vec<u8>, Error> { let file_context = FileContext::new(); let (sub_context, file) = file_context.file(file); let items = parse_scss_file(&file)?; style.write_root(&items, &mut GlobalScope::new(), &sub_context) }