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// This file is part of css. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT. No part of predicator, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of css. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/css/master/COPYRIGHT.

use {
    super::{
        separators::{Separated, Separator},
        ParserContext,
    },
    crate::CustomParseError,
    cssparser::{ParseError, Parser, UnicodeRange},
};

pub(crate) trait Parse: Sized {
    /// Parse a value of this type.
    ///
    /// Returns an error on failure.
    fn parse<'i, 't>(
        context: &ParserContext,
        input: &mut Parser<'i, 't>,
    ) -> Result<Self, ParseError<'i, CustomParseError<'i>>>;
}

impl<T> Parse for Vec<T>
where
    T: Parse + Separated,
    <T as Separated>::Delimiter: Separator,
{
    fn parse<'i, 't>(
        context: &ParserContext,
        input: &mut Parser<'i, 't>,
    ) -> Result<Self, ParseError<'i, CustomParseError<'i>>> {
        <T as Separated>::Delimiter::parse(input, |i| T::parse(context, i))
    }
}

impl Parse for ::cssparser::UnicodeRange {
    fn parse<'i, 't>(
        _context: &ParserContext,
        input: &mut Parser<'i, 't>,
    ) -> Result<Self, ParseError<'i, CustomParseError<'i>>> {
        UnicodeRange::parse(input).map_err(|e| e.into())
    }
}