lewp-css 0.2.0

Domain model for CSS Stylesheets. Allowing effective minification and transformations such as autoprefixing and removal by other crates. Updated and maintained version for lewp.
Documentation 
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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 crate::domain::{
    at_rules::{
        document::DocumentCondition,
        font_face::FamilyName,
        import::ImportAtRule,
        keyframes::KeyframesName,
        media::MediaList,
        namespace::NamespaceAtRule,
        page::PageSelectorPseudoClass,
        supports::SupportsCondition,
    },
    CounterStyleIdent,
    VendorPrefix,
};

/// A rule prelude for at-rule with block.
pub enum AtRuleBlockPrelude {
    /// A @counter-style rule prelude, with its counter style name.
    CounterStyle(CounterStyleIdent),

    /// A @document rule, with its conditional.
    Document(Option<VendorPrefix>, DocumentCondition),

    /// A @font-face rule prelude.
    FontFace,

    /// A @font-feature-values rule prelude, with its FamilyName list.
    FontFeatureValues(Vec<FamilyName>),

    /// @import
    Import(ImportAtRule),

    /// A @keyframes rule, with its animation name and vendor prefix if exists.
    Keyframes(Option<VendorPrefix>, KeyframesName),

    /// A @media rule prelude, with its media queries.
    Media(MediaList),

    /// @namespace
    Namespace(NamespaceAtRule),

    /// A @page rule prelude.
    Page(Option<PageSelectorPseudoClass>),

    /// An @supports rule, with its conditional
    Supports(SupportsCondition),

    /// A @viewport rule prelude.
    Viewport(Option<VendorPrefix>),
}