// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Based on the grammar provided here: https://goo.gl/svLze7
// Most top level definitions here (mostly messages, but also the enum "h", is
// named after a rule or token in the grammar. The messages that aren't were
// implemented to hack around shortcomings in the protobuf format (such as
// "StringCharOrQuote"). These can be identified because they are preceded by
// a comment that says "Not in grammar".
syntax = "proto2";
package css_proto_converter;
// Tokens
// TODO(metzman): Implement CDO, CDC, UNICODERANGE, and range.
// The following tokens are implmented in code and do not have their own
// message: INCLUDES, DASHMATCH, HASH, STRING IMPORT_SYM, PAGE_SYM, MEDIA_SYM,
// FONT_FACE_SYM, CHARSET_SYM, NAMESPACE_SYM, IMPORTANT_SYM, EMS, EXS, NUMBER,
// and PERCENTAGE.
// DIMEN not implemented since it isnt used in any production.
// This is named "h" because it represents the "h" token in the grammar this is
// based off of.
enum H {
ZERO = 48;
ONE = 49;
TWO = 50;
THREE = 51;
FOUR = 52;
FIVE = 53;
SIX = 54;
SEVEN = 55;
EIGHT = 56;
NINE = 57;
A_UPPER = 65;
B_UPPER = 66;
C_UPPER = 67;
D_UPPER = 68;
E_UPPER = 69;
F_UPPER = 70;
A_LOWER = 97;
B_LOWER = 98;
C_LOWER = 99;
D_LOWER = 100;
E_LOWER = 101;
F_LOWER = 102;
}
// TODO(metzman): Add "nonascii" token from grammar.
message Unicode {
required H ascii_value_1 = 1;
optional H ascii_value_2 = 2;
optional H ascii_value_3 = 3;
optional H ascii_value_4 = 4;
optional H ascii_value_5 = 5;
optional H ascii_value_6 = 6;
optional UnrepeatedW unrepeated_w = 7;
}
// unicode | '\' [#x20-#x7E#x80-#xD7FF#xE000-#xFFFD#x10000-#x10FFFF]
message Escape {
// #x20-#x7E
enum AsciiValue {
SPACE = 32;
EXCLAMATION_POINT = 33;
DOUBLE_QUOTE = 34;
HASH = 35;
DOLLAR = 36;
PERCENT = 37;
AMPERSAND = 38;
APOSTROPHE = 39;
OPEN_PAREN = 40;
CLOSE_PAREN = 41;
STAR = 42;
PLUS = 43;
COMMA = 44;
MINUS = 45;
DOT = 46;
SLASH = 47;
ZERO = 48;
ONE = 49;
TWO = 50;
THREE = 51;
FOUR = 52;
FIVE = 53;
SIX = 54;
SEVEN = 55;
EIGHT = 56;
NINE = 57;
COLON = 58;
SEMI_COLON = 59;
LESS_THAN = 60;
EQUAL = 61;
GREATER_THAN = 62;
QUESTION = 63;
AT_SIGN = 64;
A_UPPER = 65;
B_UPPER = 66;
C_UPPER = 67;
D_UPPER = 68;
E_UPPER = 69;
F_UPPER = 70;
G_UPPER = 71;
H_UPPER = 72;
I_UPPER = 73;
J_UPPER = 74;
K_UPPER = 75;
L_UPPER = 76;
M_UPPER = 77;
N_UPPER = 78;
O_UPPER = 79;
P_UPPER = 80;
Q_UPPER = 81;
R_UPPER = 82;
S_UPPER = 83;
T_UPPER = 84;
U_UPPER = 85;
V_UPPER = 86;
W_UPPER = 87;
X_UPPER = 88;
Y_UPPER = 89;
Z_UPPER = 90;
OPEN_BRACKET = 91;
BACKSLASH = 92;
CLOSE_BRACKET = 93;
CARET = 94;
UNDERSCORE = 95;
BACKTICK = 96;
A_LOWER = 97;
B_LOWER = 98;
C_LOWER = 99;
D_LOWER = 100;
E_LOWER = 101;
F_LOWER = 102;
G_LOWER = 103;
H_LOWER = 104;
I_LOWER = 105;
J_LOWER = 106;
K_LOWER = 107;
L_LOWER = 108;
M_LOWER = 109;
N_LOWER = 110;
O_LOWER = 111;
P_LOWER = 112;
Q_LOWER = 113;
R_LOWER = 114;
S_LOWER = 115;
T_LOWER = 116;
U_LOWER = 117;
V_LOWER = 118;
W_LOWER = 119;
X_LOWER = 120;
Y_LOWER = 121;
Z_LOWER = 122;
OPEN_CURLY_BRACE = 123;
PIPE = 124;
CLOSE_CURLY_BRACE_ = 125;
TILDE = 126;
}
oneof rhs {
Unicode unicode = 1;
AsciiValue ascii_value = 2;
}
// TODO(metzman): Determine if we care about unicode points not covered here.
}
message Nmstart {
enum AsciiValue {
A_UPPER = 65;
B_UPPER = 66;
C_UPPER = 67;
D_UPPER = 68;
E_UPPER = 69;
F_UPPER = 70;
G_UPPER = 71;
H_UPPER = 72;
I_UPPER = 73;
J_UPPER = 74;
K_UPPER = 75;
L_UPPER = 76;
M_UPPER = 77;
N_UPPER = 78;
O_UPPER = 79;
P_UPPER = 80;
Q_UPPER = 81;
R_UPPER = 82;
S_UPPER = 83;
T_UPPER = 84;
U_UPPER = 85;
V_UPPER = 86;
W_UPPER = 87;
X_UPPER = 88;
Y_UPPER = 89;
Z_UPPER = 90;
A_LOWER = 97;
B_LOWER = 98;
C_LOWER = 99;
D_LOWER = 100;
E_LOWER = 101;
F_LOWER = 102;
G_LOWER = 103;
H_LOWER = 104;
I_LOWER = 105;
J_LOWER = 106;
K_LOWER = 107;
L_LOWER = 108;
M_LOWER = 109;
N_LOWER = 110;
O_LOWER = 111;
P_LOWER = 112;
Q_LOWER = 113;
R_LOWER = 114;
S_LOWER = 115;
T_LOWER = 116;
U_LOWER = 117;
V_LOWER = 118;
W_LOWER = 119;
X_LOWER = 120;
Y_LOWER = 121;
Z_LOWER = 122;
}
oneof rhs {
AsciiValue ascii_value = 1;
Escape escape = 2;
// TODO(metzman): Add nonascii token once (if) I implement it.
}
}
message Nmchar {
enum AsciiValue {
MINUS = 45;
ZERO = 48;
ONE = 49;
TWO = 50;
THREE = 51;
FOUR = 52;
FIVE = 53;
SIX = 54;
SEVEN = 55;
EIGHT = 56;
NINE = 57;
A_UPPER = 65;
B_UPPER = 66;
C_UPPER = 67;
D_UPPER = 68;
E_UPPER = 69;
F_UPPER = 70;
G_UPPER = 71;
H_UPPER = 72;
I_UPPER = 73;
J_UPPER = 74;
K_UPPER = 75;
L_UPPER = 76;
M_UPPER = 77;
N_UPPER = 78;
O_UPPER = 79;
P_UPPER = 80;
Q_UPPER = 81;
R_UPPER = 82;
S_UPPER = 83;
T_UPPER = 84;
U_UPPER = 85;
V_UPPER = 86;
W_UPPER = 87;
X_UPPER = 88;
Y_UPPER = 89;
Z_UPPER = 90;
A_LOWER = 97;
B_LOWER = 98;
C_LOWER = 99;
D_LOWER = 100;
E_LOWER = 101;
F_LOWER = 102;
G_LOWER = 103;
H_LOWER = 104;
I_LOWER = 105;
J_LOWER = 106;
K_LOWER = 107;
L_LOWER = 108;
M_LOWER = 109;
N_LOWER = 110;
O_LOWER = 111;
P_LOWER = 112;
Q_LOWER = 113;
R_LOWER = 114;
S_LOWER = 115;
T_LOWER = 116;
U_LOWER = 117;
V_LOWER = 118;
W_LOWER = 119;
X_LOWER = 120;
Y_LOWER = 121;
Z_LOWER = 122;
}
oneof rhs {
AsciiValue ascii_value = 1;
Escape escape = 2;
// TODO(metzman): Add nonascii token once (if) I implement it.
}
}
// string1, string2 and string
message String {
// TODO(metzman): determine if these hacks are more efficient than enforcing
// constraints on string types in the actual code.
required bool use_single_quotes = 1;
repeated StringCharOrQuote string_char_quotes = 2;
}
// Not in grammar.
message StringCharOrQuote {
enum QuoteChar {
UNSET = 0;
IS_SET = 1;
}
oneof rhs {
StringChar string_char = 2;
QuoteChar quote_char = 1;
}
}
message StringChar {
enum Space {
UNSET = 0;
IS_SET = 1;
}
oneof rhs {
UrlChar url_char = 1;
Space space = 2;
// '\' nl
Nl nl = 3;
}
}
message Ident {
optional bool starting_minus = 1 [default = false]; // -
required Nmstart nmstart = 2;
repeated Nmchar nmchars = 3;
}
message Num {
required sint64 signed_int_value = 1;
optional float float_value = 2;
}
message UrlChar {
enum AsciiValue {
NUL = 0;
// #x9
HT = 9;
// #x21
EXCLAMATION_POINT = 33;
// #x23-#x26
HASH = 35;
DOLLAR = 36;
PERCENT = 37;
AMPERSAND = 38;
// #x26-#x27
APOSTROPHE = 39;
OPEN_PAREN = 40;
CLOSE_PAREN = 41;
STAR = 42;
PLUS = 43;
COMMA = 44;
MINUS = 45;
DOT = 46;
SLASH = 47;
ZERO = 48;
ONE = 49;
TWO = 50;
THREE = 51;
FOUR = 52;
FIVE = 53;
SIX = 54;
SEVEN = 55;
EIGHT = 56;
NINE = 57;
COLON = 58;
SEMI_COLON = 59;
LESS_THAN = 60;
EQUAL = 61;
GREATER_THAN = 62;
QUESTION = 63;
AT_SIGN = 64;
A_UPPER = 65;
B_UPPER = 66;
C_UPPER = 67;
D_UPPER = 68;
E_UPPER = 69;
F_UPPER = 70;
G_UPPER = 71;
H_UPPER = 72;
I_UPPER = 73;
J_UPPER = 74;
K_UPPER = 75;
L_UPPER = 76;
M_UPPER = 77;
N_UPPER = 78;
O_UPPER = 79;
P_UPPER = 80;
Q_UPPER = 81;
R_UPPER = 82;
S_UPPER = 83;
T_UPPER = 84;
U_UPPER = 85;
V_UPPER = 86;
W_UPPER = 87;
X_UPPER = 88;
Y_UPPER = 89;
Z_UPPER = 90;
OPEN_BRACKET = 91;
BACKSLASH = 92;
CLOSE_BRACKET = 93;
CARET = 94;
UNDERSCORE = 95;
BACKTICK = 96;
A_LOWER = 97;
B_LOWER = 98;
C_LOWER = 99;
D_LOWER = 100;
E_LOWER = 101;
F_LOWER = 102;
G_LOWER = 103;
H_LOWER = 104;
I_LOWER = 105;
J_LOWER = 106;
K_LOWER = 107;
L_LOWER = 108;
M_LOWER = 109;
N_LOWER = 110;
O_LOWER = 111;
P_LOWER = 112;
Q_LOWER = 113;
R_LOWER = 114;
S_LOWER = 115;
T_LOWER = 116;
U_LOWER = 117;
V_LOWER = 118;
W_LOWER = 119;
X_LOWER = 120;
Y_LOWER = 121;
Z_LOWER = 122;
OPEN_CURLY_BRACE = 123;
PIPE = 124;
CLOSE_CURLY_BRACE_ = 125;
TILDE = 126;
}
oneof rhs {
AsciiValue ascii_value = 1;
Escape escape = 2;
// TODO(metzman): Support nonascii tokens.
}
}
message W {
repeated UnrepeatedW unrepeated_w = 1;
}
// Not in grammar
message UnrepeatedW {
enum AsciiValue {
// #x9 ('\t')
HT = 9;
// #xA ('\n')
LF = 10;
// #xC ('\f')
FF = 12;
// #xD ('\r')
CR = 13;
// #x20 (' ')
SPACE = 32;
}
required AsciiValue ascii_value = 1;
}
message Nl {
enum NewlineKind {
// #xA ('\n')
LF = 10;
// #xD #xA ('\r\n') Pseudo value, since we don't need SOH
CR_LF = 1;
// #xD ('\r')
CR = 13;
// #xC ('\f')
FF = 12;
}
required NewlineKind newline_kind = 1;
}
// {num}[px|cm|mm|in|pt|pc]
message Length {
enum Unit {
PX = 1;
CM = 2;
MM = 3;
IN = 4;
PT = 5;
PC = 6;
}
required Num num = 1;
required Unit unit = 2;
}
// {num}[deg|rad|grad]
message Angle {
enum Unit {
DEG = 1;
RAD = 2;
GRAD = 3;
}
required Num num = 1;
required Unit unit = 2;
}
// {num}[ms|s]
message Time {
enum Unit {
MS = 1;
S = 2;
}
required Num num = 1;
required Unit unit = 2;
}
// {num}[Hz|kHz]
message Freq {
enum Unit {
// Hack around build bug since some system header #defines HZ.
_HZ = 1;
KHZ = 2;
}
required Num num = 1;
required Unit unit = 2;
}
message Uri {
// "url(" w (string | url* ) w ")"
// TODO(metzman): Add url token once (if) I implement it.
// optional String value = 1;
}
// FUNCTION. Not named Function to avoid conflict.
message FunctionToken {
required Ident ident = 1;
}
// end tokens
// rules
// TODO(metzman): Add rules for @keyframes (including
// -webkit-keyframes), and @supports.
message StyleSheet {
optional CharsetDeclaration charset_declaration = 1;
repeated Import imports = 2;
repeated Namespace namespaces = 3;
repeated NestedAtRule nested_at_rules = 4;
}
// Not in grammar.
message CharsetDeclaration {
enum EncodingId {
UTF_8 = 1;
UTF_16 = 2;
UTF_32 = 3;
}
required EncodingId encoding_id = 1;
}
// Not in grammar.
message NestedAtRule {
oneof rhs {
Ruleset ruleset = 1;
Media media = 2;
Page page = 3;
FontFace font_face = 4;
Viewport viewport = 5;
SupportsRule supports_rule = 6;
}
}
message SupportsRule {
required SupportsCondition supports_condition = 1;
repeated AtRuleOrRulesets at_rule_or_rulesets = 2;
}
message AtRuleOrRulesets {
required AtRuleOrRuleset first = 1;
repeated AtRuleOrRuleset laters = 2;
}
message AtRuleOrRuleset {
required Ruleset ruleset = 1;
optional NestedAtRule at_rule = 2;
}
message SupportsCondition {
// Using PropertyAndValue rather than declaration means that there
// will always be a declaration. This is syntactically correct but
// means we may miss some error paths.
// TODO(metzman): Figure out what to do about generating invalid output that
// causes more coverage. Maybe doing so infrequently is the correct move.
required PropertyAndValue property_and_value = 1; // Default.
// TODO(metzman): Do functions also need to be supported?
required bool not_condition = 2;
oneof rhs {
BinarySupportsCondition and_supports_condition = 3;
BinarySupportsCondition or_supports_condition = 4;
}
}
message BinarySupportsCondition {
required SupportsCondition condition_1 = 1;
required SupportsCondition condition_2 = 2;
}
message Viewport {
repeated ViewportPropertyAndValue properties_and_values = 1;
}
message ViewportPropertyAndValue {
required ViewportProperty property = 1;
required ViewportValue value = 2;
}
message ViewportProperty {
enum PropertyId {
MIN_WIDTH = 1;
MAX_WIDTH = 2;
WIDTH = 3;
MIN_HEIGHT = 4;
MAX_HEIGHT = 5;
HEIGHT = 6;
ZOOM = 7;
MIN_ZOOM = 8;
USER_ZOOM = 9;
MAX_ZOOM = 10;
ORIENTATION = 11;
}
required PropertyId id = 1;
}
message ViewportValue {
enum ValueId {
LANDSCAPE = 1;
PORTRAIT = 2;
AUTO = 3;
ZOOM = 4;
FIXED = 5;
NONE = 6;
}
required ValueId value_id = 1;
oneof rhs {
Length length = 2;
Num num = 3;
}
}
message Import {
enum SrcId {
RELATIVE_STRING = 1;
FULL_URL = 2;
}
optional SrcId src_id = 1;
optional MediaQueryList media_query_list = 2;
}
// Media based on https://developer.mozilla.org/en-US/docs/Web/CSS/@media
message MediaQueryList {
repeated MediaQuery media_queries = 1;
}
message MediaQuery {
required MediaCondition media_condition = 1;
optional MediaQueryPartTwo media_query_part_two = 2;
}
// Not in spec.
message MediaQueryPartTwo {
enum NotOrOnly {
NOT = 1;
ONLY = 2;
}
optional NotOrOnly not_or_only = 1;
required MediaType media_type = 2;
optional MediaConditionWithoutOr media_condition_without_or = 3;
}
message MediaConditionWithoutOr {
required MediaNot media_not = 1;
oneof rhs {
MediaAnd media_and = 2;
MediaInParens media_in_parens = 3;
}
}
message MediaCondition {
required MediaAnd media_and = 1;
oneof rhs {
MediaNot media_not = 2;
MediaOr media_or = 3;
MediaInParens media_in_parens = 4;
}
}
message MediaType {
enum ValueId {
ALL = 1;
BRAILLE = 2;
EMBOSSED = 3;
HANDHELD = 4;
PRINT = 5;
PROJECTION = 6;
SCREEN = 7;
SPEECH = 8;
TTY = 9;
TV = 10;
INVALID_MEDIA_TYPE = 11;
}
required ValueId value_id = 1;
}
message MediaNot {
required MediaInParens media_in_parens = 1;
}
message MediaAnd {
required MediaInParens first_media_in_parens = 1;
required MediaInParens second_media_in_parens = 2;
repeated MediaInParens media_in_parens_list = 3;
}
message MediaOr {
required MediaInParens first_media_in_parens = 1;
required MediaInParens second_media_in_parens = 2;
repeated MediaInParens media_in_parens_list = 3;
}
message MediaInParens {
required MediaFeature media_feature = 1;
optional MediaCondition media_condition = 2;
}
message MediaFeature {
required MfPlain mf_plain = 1;
optional MfBool mf_bool = 2;
// TODO(metzman): Implement <mf-range>
}
// TODO(metzman): implement <general-enclosed>
message MfPlain {
required MfName property = 1;
required MfValue value = 2;
}
message MfBool {
required MfName mf_name = 1;
}
message MfName {
enum ValueId {
ANY_HOVER = 1;
ANY_POINTER = 2;
COLOR = 3;
COLOR_INDEX = 4;
COLOR_GAMUT = 5;
GRID = 6;
MONOCHROME = 7;
HEIGHT = 8;
HOVER = 9;
WIDTH = 10;
ORIENTATION = 11;
ASPECT_RATIO = 12;
DEVICE_ASPECT_RATIO = 13;
_WEBKIT_DEVICE_PIXEL_RATIO = 14;
DEVICE_HEIGHT = 15;
DEVICE_WIDTH = 16;
DISPLAY_MODE = 17;
MAX_COLOR = 18;
MAX_COLOR_INDEX = 19;
MAX_ASPECT_RATIO = 20;
MAX_DEVICE_ASPECT_RATIO = 21;
_WEBKIT_MAX_DEVICE_PIXEL_RATIO = 22;
MAX_DEVICE_HEIGHT = 23;
MAX_DEVICE_WIDTH = 24;
MAX_HEIGHT = 25;
MAX_MONOCHROME = 26;
MAX_WIDTH = 27;
MAX_RESOLUTION = 28;
MIN_COLOR = 29;
MIN_COLOR_INDEX = 30;
MIN_ASPECT_RATIO = 31;
MIN_DEVICE_ASPECT_RATIO = 32;
_WEBKIT_MIN_DEVICE_PIXEL_RATIO = 33;
MIN_DEVICE_HEIGHT = 34;
MIN_DEVICE_WIDTH = 35;
MIN_HEIGHT = 36;
MIN_MONOCHROME = 37;
MIN_WIDTH = 38;
MIN_RESOLUTION = 39;
POINTER = 40;
RESOLUTION = 41;
_WEBKIT_TRANSFORM_3D = 42;
SCAN = 43;
SHAPE = 44;
IMMERSIVE = 45;
DYNAMIC_RANGE = 46;
VIDEO_DYNAMIC_RANGE = 47;
INVALID_NAME = 48;
}
required ValueId id = 1;
}
message MfValue {
required Num num = 1;
oneof rhs {
Length length = 2; // Called <dimension> on developer.mozilla.org
Ident ident = 3;
// TODO(metzman) implement <mf-range>
}
}
message Namespace {
optional NamespacePrefix namespace_prefix = 1;
oneof rhs {
String string = 2;
Uri uri = 3;
}
}
// TODO(metzman): Determine if this is unnecessary.
message NamespacePrefix {
required Ident ident = 1;
}
message Media {
required MediaQueryList media_query_list = 1;
repeated Ruleset rulesets = 2;
}
message Page {
optional Ident ident = 1;
optional PseudoPage pseudo_page = 2;
required DeclarationList declaration_list = 3;
}
// Not in grammar.
message DeclarationList {
required Declaration first_declaration = 1;
repeated Declaration later_declarations = 2;
}
// TODO(metzman): Determine if this is unnecessary.
message PseudoPage {
required Ident ident = 1;
}
message FontFace {
// required DeclarationList declaration_list = 1;
// https://developer.mozilla.org/en-US/docs/Web/CSS/@font-face#Formal_syntax
// repeated FontFaceContents font_face_contents = 1;
}
message Operator {
enum AsciiValue {
COMMA = 44;
SLASH = 47;
}
optional AsciiValue ascii_value = 1;
}
message UnaryOperator {
enum AsciiValue {
PLUS = 43;
MINUS = 45;
}
required AsciiValue ascii_value = 1;
}
// TODO(metzman): Determine if this is unnecessary.
message Property {
enum NameId {
{{property_proto_enums}}
}
required NameId name_id = 1;
}
message Ruleset {
required SelectorList selector_list = 1;
required DeclarationList declaration_list = 2;
}
// Not in grammar.
message SelectorList {
required Selector first_selector = 1;
repeated Selector later_selectors = 2;
}
message Attr {
enum Type {
NONE = 1;
EQUAL = 6;
TILDE = 126;
PIPE = 124;
DOLLAR = 36;
STAR = 42;
}
required Type type = 1;
optional bool attr_i = 2;
// TODO(metzman): Allow values to be set instead of hardcoding.
}
enum PseudoType {
CLASS = 1;
ELEMENT = 2;
}
enum Combinator {
NONE = 1;
DOLLAR = 36;
COMMA = 44;
GREATER_THAN = 62;
PLUS = 43;
TILDE = 126;
}
message Selector {
enum Type {
ELEMENT = 1;
CLASS = 2;
ID = 3;
// TODO(metzman): Support the different variations of universal selectors.
UNIVERSAL = 4;
ATTR = 5;
}
required Type type = 1;
required Attr attr = 2;
// TODO(metzman): Allow the selector value to be set by fuzzer.
required PseudoType pseudo_type = 3;
enum PseudoValueId {
_INTERNAL_AUTOFILL_PREVIEWED = 1;
_INTERNAL_AUTOFILL_SELECTED = 2;
_INTERNAL_DIALOG_IN_TOP_LAYER = 3;
_INTERNAL_IS_HTML = 4;
_INTERNAL_LIST_BOX = 5;
_INTERNAL_MEDIA_CONTROLS_OVERLAY_CAST_BUTTON = 6;
_INTERNAL_MULTI_SELECT_FOCUS = 7;
_INTERNAL_POPOVER_IN_TOP_LAYER = 8;
_INTERNAL_POPUP_HIDDEN = 9;
_INTERNAL_SHADOW_HOST_HAS_APPEARANCE = 10;
_INTERNAL_SPATIAL_NAVIGATION_FOCUS = 11;
_INTERNAL_VIDEO_PERSISTENT = 12;
_INTERNAL_VIDEO_PERSISTENT_ANCESTOR = 13;
_WEBKIT_ANY_LINK = 14;
_WEBKIT_AUTOFILL = 15;
_WEBKIT_DRAG = 16;
_WEBKIT_FULL_PAGE_MEDIA = 17;
_WEBKIT_FULL_SCREEN = 18;
_WEBKIT_FULL_SCREEN_ANCESTOR = 19;
_WEBKIT_RESIZER = 20;
_WEBKIT_SCROLLBAR = 21;
_WEBKIT_SCROLLBAR_BUTTON = 22;
_WEBKIT_SCROLLBAR_CORNER = 23;
_WEBKIT_SCROLLBAR_THUMB = 24;
_WEBKIT_SCROLLBAR_TRACK = 25;
_WEBKIT_SCROLLBAR_TRACK_PIECE = 26;
ACTIVE = 27;
AFTER = 28;
AUTOFILL = 29;
BACKDROP = 30;
BEFORE = 31;
CHECKED = 32;
CORNER_PRESENT = 33;
CUE = 34;
DECREMENT = 35;
DEFAULT = 36;
DEFINED = 37;
DISABLED = 38;
DOUBLE_BUTTON = 39;
EMPTY = 40;
ENABLED = 41;
END = 42;
FIRST = 43;
FIRST_CHILD = 44;
FIRST_LETTER = 45;
FIRST_LINE = 46;
FIRST_OF_TYPE = 47;
FOCUS = 48;
FOCUS_WITHIN = 49;
FULLSCREEN = 50;
FUTURE = 51;
HORIZONTAL = 52;
HOST = 53;
HOVER = 54;
IN_RANGE = 55;
INCREMENT = 56;
INDETERMINATE = 57;
INVALID = 58;
LAST_CHILD = 59;
LAST_OF_TYPE = 60;
LEFT = 61;
LINK = 62;
NO_BUTTON = 63;
ONLY_CHILD = 64;
ONLY_OF_TYPE = 65;
OPTIONAL = 66;
OUT_OF_RANGE = 67;
PAST = 68;
PLACEHOLDER = 69;
PLACEHOLDER_SHOWN = 70;
POPOVER_OPEN = 71;
READ_ONLY = 72;
READ_WRITE = 73;
REQUIRED = 74;
RIGHT = 75;
ROOT = 76;
SCOPE = 77;
SELECTION = 78;
SINGLE_BUTTON = 79;
START = 80;
STATE = 81;
TARGET = 82;
TOP_LAYER = 83;
USER_INVALID = 84;
USER_VALID = 85;
VALID = 86;
VERTICAL = 87;
VISITED = 88;
WINDOW_INACTIVE = 89;
_WEBKIT_ANY = 90;
HOST_CONTEXT = 91;
LANG = 92;
NOT = 93;
NTH_CHILD = 94;
NTH_LAST_CHILD = 95;
NTH_LAST_OF_TYPE = 96;
NTH_OF_TYPE = 97;
SLOTTED = 98;
XR_OVERLAY = 99;
ACTIVE_VIEW_TRANSITION = 100;
ACTIVE_VIEW_TRANSITION_TYPE = 101;
INVALID_PSEUDO_VALUE = 102;
}
optional PseudoValueId pseudo_value_id = 4;
required Combinator combinator = 5;
}
message Pseudo {
oneof rhs {
Ident ident_1 = 1;
FunctionToken function_token = 2;
}
required Ident ident_2 = 3;
}
message Declaration {
// property ':' S* expr prio? | /* empty */
optional PropertyAndValue property_and_value = 1;
}
message PropertyAndValue {
required Property property = 1;
required Expr expr = 2;
enum Prio {
UNSET = 0;
IS_SET = 1;
}
optional Prio prio = 3;
enum ValueId {
{{value_proto_enums}}
};
optional ValueId value_id = 4;
}
message Expr {
required Term term = 1;
repeated OperatorTerm operator_terms = 2;
}
// Not in grammar.
message OperatorTerm {
required Operator _operator = 1;
required Term term = 2;
}
message Term {
optional UnaryOperator unary_operator = 1;
oneof rhs {
// [ NUMBER S* | PERCENTAGE S* | LENGTH S* | EMS S* | EXS S* | ANGLE S* |
// TIME S* | FREQ S* | function ]
TermPart term_part = 2;
// | STRING
String string = 3;
}
// S* | IDENT S* | URI S* | UNICODERANGE S* | hexcolor
optional Ident ident = 4;
optional Uri uri = 5;
// TODO(metzman): Add UNICODERANGE token once (if) I implement it.
optional Hexcolor hexcolor = 6;
}
// Not in grammar.
message TermPart {
// NUMBER
required Num number = 1;
// S* | PERCENTAGE
optional Num percentage = 2; // num "%"
// S* | LENGTH
optional Length length = 3;
optional Num ems = 4; // {num}em
optional Num exs = 5; // {num}ex
optional Angle angle = 6;
optional Time time = 7;
optional Freq freq = 8;
optional Function function = 9;
}
message Function {
required FunctionToken function_token = 1;
required Expr expr = 2;
}
message Hexcolor {
required HexcolorThree first_three = 1;
optional HexcolorThree last_three = 2;
}
// Not in grammar.
message HexcolorThree {
// 0-9A-Za-z
required H ascii_value_1 = 1;
required H ascii_value_2 = 2;
required H ascii_value_3 = 3;
}
message Input {
enum CSSParserMode {
kHTMLStandardMode = 0;
kHTMLQuirksMode = 1;
kSVGAttributeMode = 2;
kCSSFontFaceRuleMode = 3;
kUASheetMode = 4;
}
enum SecureContextMode {
kInsecureContext = 0;
kSecureContext = 1;
}
required CSSParserMode css_parser_mode = 1;
required bool defer_property_parsing = 2;
required StyleSheet style_sheet = 3;
required SecureContextMode secure_context_mode = 4;
}
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