macro_rules! surrogate_pat {
    () => {
        0xd800..=0xdfff
    };
}

pub(crate) use surrogate_pat;

macro_rules! control_pat {
    () => (0x0d | 0x0000..=0x001f | 0x007f..=0x009f)
}

pub(crate) use control_pat;

macro_rules! ascii_digit_pat {
    () => {
        '0'..='9'
    };
}

pub(crate) use ascii_digit_pat;

macro_rules! whitespace_pat {
    () => {
        '\t' | '\u{0A}' | '\u{0C}' | ' '
    };
}

pub(crate) use whitespace_pat;

macro_rules! noncharacter_pat {
    () => {
        0xfdd0
            ..=0xfdef
                | 0xfffe
                | 0xffff
                | 0x1fffe
                | 0x1ffff
                | 0x2fffe
                | 0x2ffff
                | 0x3fffe
                | 0x3ffff
                | 0x4fffe
                | 0x4ffff
                | 0x5fffe
                | 0x5ffff
                | 0x6fffe
                | 0x6ffff
                | 0x7fffe
                | 0x7ffff
                | 0x8fffe
                | 0x8ffff
                | 0x9fffe
                | 0x9ffff
                | 0xafffe
                | 0xaffff
                | 0xbfffe
                | 0xbffff
                | 0xcfffe
                | 0xcffff
                | 0xdfffe
                | 0xdffff
                | 0xefffe
                | 0xeffff
                | 0xffffe
                | 0xfffff
                | 0x10fffe
                | 0x10ffff
    };
}

pub(crate) use noncharacter_pat;

// When integration tests are running, this enum is public and we get warnings about missing docs.
// However, it's not actually part of public API.
#[allow(missing_docs)]
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum State {
    Data,
    RcData,
    RawText,
    ScriptData,
    PlainText,
    TagOpen,
    EndTagOpen,
    TagName,
    RcDataLessThanSign,
    RcDataEndTagOpen,
    RcDataEndTagName,
    RawTextLessThanSign,
    RawTextEndTagOpen,
    RawTextEndTagName,
    ScriptDataLessThanSign,
    ScriptDataEndTagOpen,
    ScriptDataEndTagName,
    ScriptDataEscapeStart,
    ScriptDataEscapeStartDash,
    ScriptDataEscaped,
    ScriptDataEscapedDash,
    ScriptDataEscapedDashDash,
    ScriptDataEscapedLessThanSign,
    ScriptDataEscapedEndTagOpen,
    ScriptDataEscapedEndTagName,
    ScriptDataDoubleEscapeStart,
    ScriptDataDoubleEscaped,
    ScriptDataDoubleEscapedDash,
    ScriptDataDoubleEscapedDashDash,
    ScriptDataDoubleEscapedLessThanSign,
    ScriptDataDoubleEscapeEnd,
    BeforeAttributeName,
    AttributeName,
    AfterAttributeName,
    BeforeAttributeValue,
    AttributeValueDoubleQuoted,
    AttributeValueSingleQuoted,
    AttributeValueUnquoted,
    AfterAttributeValueQuoted,
    SelfClosingStartTag,
    BogusComment,
    MarkupDeclarationOpen,
    CommentStart,
    CommentStartDash,
    Comment,
    CommentLessThanSign,
    CommentLessThanSignBang,
    CommentLessThanSignBangDash,
    CommentLessThanSignBangDashDash,
    CommentEndDash,
    CommentEnd,
    CommentEndBang,
    Doctype,
    BeforeDoctypeName,
    DoctypeName,
    AfterDoctypeName,
    AfterDoctypePublicKeyword,
    BeforeDoctypePublicIdentifier,
    DoctypePublicIdentifierDoubleQuoted,
    DoctypePublicIdentifierSingleQuoted,
    AfterDoctypePublicIdentifier,
    BetweenDoctypePublicAndSystemIdentifiers,
    AfterDoctypeSystemKeyword,
    BeforeDoctypeSystemIdentifier,
    DoctypeSystemIdentifierDoubleQuoted,
    DoctypeSystemIdentifierSingleQuoted,
    AfterDoctypeSystemIdentifier,
    BogusDoctype,
    CdataSection,
    CdataSectionBracket,
    CdataSectionEnd,
    CharacterReference,
    NamedCharacterReference,
    AmbiguousAmpersand,
    NumericCharacterReference,
    HexadecimalCharacterReferenceStart,
    DecimalCharacterReferenceStart,
    HexadecimalCharacterReference,
    DecimalCharacterReference,
    NumericCharacterReferenceEnd,
}

pub enum ControlToken {
    Eof,
    Continue,
}