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mod.rs
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mod.rs
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use std::mem::take;
use swc_css_ast::*;
use self::input::{Buffer, ParserInput};
use crate::{error::Error, Parse};
#[macro_use]
mod macros;
mod at_rule;
mod base;
pub mod input;
mod selector;
#[cfg(test)]
mod tests;
mod traits;
mod util;
mod value;
pub type PResult<T> = Result<T, Error>;
#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct ParserConfig {
/// If this is `true`, **wrong** comments starting with `//` will be treated
/// as a comment.
///
/// This option exists because there are so many css-in-js tools and people
/// use `//` as a comment because it's javascript file.
pub allow_wrong_line_comments: bool,
}
#[derive(Debug, Clone, Copy)]
pub enum Grammar {
StyleBlock,
DeclarationList,
RuleList,
Stylesheet,
DeclarationValue,
}
impl Default for Grammar {
fn default() -> Self {
Grammar::DeclarationValue
}
}
#[derive(Debug, Default, Clone, Copy)]
struct Ctx {
grammar: Grammar,
in_supports_at_rule: bool,
in_page_at_rule: bool,
}
#[derive(Debug)]
pub struct Parser<I>
where
I: ParserInput,
{
#[allow(dead_code)]
config: ParserConfig,
input: Buffer<I>,
ctx: Ctx,
errors: Vec<Error>,
}
impl<I> Parser<I>
where
I: ParserInput,
{
pub fn new(input: I, config: ParserConfig) -> Self {
Parser {
config,
input: Buffer::new(input),
ctx: Default::default(),
errors: Default::default(),
}
}
pub fn dump_cur(&mut self) -> String {
format!("{:?}", self.input.cur())
}
/// Take **recovered** errors.
pub fn take_errors(&mut self) -> Vec<Error> {
take(&mut self.errors)
}
pub fn parse_all(&mut self) -> PResult<Stylesheet> {
self.parse()
}
}
#[derive(Clone, Copy)]
pub struct RuleContext {
is_top_level: bool,
}