summaryrefslogtreecommitdiff
path: root/src/utils.rs
blob: 7d220cfc6803c6584e33a6aa4735e22a32b9e00f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
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,
}

macro_rules! ctostr {
    ($c:expr) => {
        &*$c.encode_utf8(&mut [0; 4])
    };
}

pub(crate) use ctostr;