2904 lines
104 KiB
JavaScript
2904 lines
104 KiB
JavaScript
import { Preprocessor } from './preprocessor.js';
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import { CODE_POINTS as $, SEQUENCES as $$, REPLACEMENT_CHARACTER, isSurrogate, isUndefinedCodePoint, isControlCodePoint, } from '../common/unicode.js';
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import { TokenType, getTokenAttr, } from '../common/token.js';
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import { htmlDecodeTree, BinTrieFlags, determineBranch } from 'entities/lib/decode.js';
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import { ERR } from '../common/error-codes.js';
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import { TAG_ID, getTagID } from '../common/html.js';
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//C1 Unicode control character reference replacements
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const C1_CONTROLS_REFERENCE_REPLACEMENTS = new Map([
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[0x80, 8364],
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[0x82, 8218],
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[0x83, 402],
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[0x84, 8222],
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[0x85, 8230],
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[0x86, 8224],
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[0x87, 8225],
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[0x88, 710],
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[0x89, 8240],
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[0x8a, 352],
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[0x8b, 8249],
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[0x8c, 338],
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[0x8e, 381],
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[0x91, 8216],
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[0x92, 8217],
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[0x93, 8220],
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[0x94, 8221],
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[0x95, 8226],
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[0x96, 8211],
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[0x97, 8212],
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[0x98, 732],
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[0x99, 8482],
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[0x9a, 353],
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[0x9b, 8250],
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[0x9c, 339],
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[0x9e, 382],
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[0x9f, 376],
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]);
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//States
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var State;
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(function (State) {
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State[State["DATA"] = 0] = "DATA";
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State[State["RCDATA"] = 1] = "RCDATA";
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State[State["RAWTEXT"] = 2] = "RAWTEXT";
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State[State["SCRIPT_DATA"] = 3] = "SCRIPT_DATA";
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State[State["PLAINTEXT"] = 4] = "PLAINTEXT";
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State[State["TAG_OPEN"] = 5] = "TAG_OPEN";
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State[State["END_TAG_OPEN"] = 6] = "END_TAG_OPEN";
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State[State["TAG_NAME"] = 7] = "TAG_NAME";
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State[State["RCDATA_LESS_THAN_SIGN"] = 8] = "RCDATA_LESS_THAN_SIGN";
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State[State["RCDATA_END_TAG_OPEN"] = 9] = "RCDATA_END_TAG_OPEN";
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State[State["RCDATA_END_TAG_NAME"] = 10] = "RCDATA_END_TAG_NAME";
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State[State["RAWTEXT_LESS_THAN_SIGN"] = 11] = "RAWTEXT_LESS_THAN_SIGN";
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State[State["RAWTEXT_END_TAG_OPEN"] = 12] = "RAWTEXT_END_TAG_OPEN";
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State[State["RAWTEXT_END_TAG_NAME"] = 13] = "RAWTEXT_END_TAG_NAME";
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State[State["SCRIPT_DATA_LESS_THAN_SIGN"] = 14] = "SCRIPT_DATA_LESS_THAN_SIGN";
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State[State["SCRIPT_DATA_END_TAG_OPEN"] = 15] = "SCRIPT_DATA_END_TAG_OPEN";
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State[State["SCRIPT_DATA_END_TAG_NAME"] = 16] = "SCRIPT_DATA_END_TAG_NAME";
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State[State["SCRIPT_DATA_ESCAPE_START"] = 17] = "SCRIPT_DATA_ESCAPE_START";
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State[State["SCRIPT_DATA_ESCAPE_START_DASH"] = 18] = "SCRIPT_DATA_ESCAPE_START_DASH";
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State[State["SCRIPT_DATA_ESCAPED"] = 19] = "SCRIPT_DATA_ESCAPED";
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State[State["SCRIPT_DATA_ESCAPED_DASH"] = 20] = "SCRIPT_DATA_ESCAPED_DASH";
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State[State["SCRIPT_DATA_ESCAPED_DASH_DASH"] = 21] = "SCRIPT_DATA_ESCAPED_DASH_DASH";
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State[State["SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN"] = 22] = "SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN";
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State[State["SCRIPT_DATA_ESCAPED_END_TAG_OPEN"] = 23] = "SCRIPT_DATA_ESCAPED_END_TAG_OPEN";
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State[State["SCRIPT_DATA_ESCAPED_END_TAG_NAME"] = 24] = "SCRIPT_DATA_ESCAPED_END_TAG_NAME";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPE_START"] = 25] = "SCRIPT_DATA_DOUBLE_ESCAPE_START";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPED"] = 26] = "SCRIPT_DATA_DOUBLE_ESCAPED";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPED_DASH"] = 27] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH"] = 28] = "SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN"] = 29] = "SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN";
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State[State["SCRIPT_DATA_DOUBLE_ESCAPE_END"] = 30] = "SCRIPT_DATA_DOUBLE_ESCAPE_END";
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State[State["BEFORE_ATTRIBUTE_NAME"] = 31] = "BEFORE_ATTRIBUTE_NAME";
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State[State["ATTRIBUTE_NAME"] = 32] = "ATTRIBUTE_NAME";
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State[State["AFTER_ATTRIBUTE_NAME"] = 33] = "AFTER_ATTRIBUTE_NAME";
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State[State["BEFORE_ATTRIBUTE_VALUE"] = 34] = "BEFORE_ATTRIBUTE_VALUE";
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State[State["ATTRIBUTE_VALUE_DOUBLE_QUOTED"] = 35] = "ATTRIBUTE_VALUE_DOUBLE_QUOTED";
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State[State["ATTRIBUTE_VALUE_SINGLE_QUOTED"] = 36] = "ATTRIBUTE_VALUE_SINGLE_QUOTED";
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State[State["ATTRIBUTE_VALUE_UNQUOTED"] = 37] = "ATTRIBUTE_VALUE_UNQUOTED";
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State[State["AFTER_ATTRIBUTE_VALUE_QUOTED"] = 38] = "AFTER_ATTRIBUTE_VALUE_QUOTED";
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State[State["SELF_CLOSING_START_TAG"] = 39] = "SELF_CLOSING_START_TAG";
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State[State["BOGUS_COMMENT"] = 40] = "BOGUS_COMMENT";
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State[State["MARKUP_DECLARATION_OPEN"] = 41] = "MARKUP_DECLARATION_OPEN";
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State[State["COMMENT_START"] = 42] = "COMMENT_START";
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State[State["COMMENT_START_DASH"] = 43] = "COMMENT_START_DASH";
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State[State["COMMENT"] = 44] = "COMMENT";
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State[State["COMMENT_LESS_THAN_SIGN"] = 45] = "COMMENT_LESS_THAN_SIGN";
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State[State["COMMENT_LESS_THAN_SIGN_BANG"] = 46] = "COMMENT_LESS_THAN_SIGN_BANG";
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State[State["COMMENT_LESS_THAN_SIGN_BANG_DASH"] = 47] = "COMMENT_LESS_THAN_SIGN_BANG_DASH";
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State[State["COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH"] = 48] = "COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH";
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State[State["COMMENT_END_DASH"] = 49] = "COMMENT_END_DASH";
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State[State["COMMENT_END"] = 50] = "COMMENT_END";
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State[State["COMMENT_END_BANG"] = 51] = "COMMENT_END_BANG";
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State[State["DOCTYPE"] = 52] = "DOCTYPE";
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State[State["BEFORE_DOCTYPE_NAME"] = 53] = "BEFORE_DOCTYPE_NAME";
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State[State["DOCTYPE_NAME"] = 54] = "DOCTYPE_NAME";
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State[State["AFTER_DOCTYPE_NAME"] = 55] = "AFTER_DOCTYPE_NAME";
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State[State["AFTER_DOCTYPE_PUBLIC_KEYWORD"] = 56] = "AFTER_DOCTYPE_PUBLIC_KEYWORD";
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State[State["BEFORE_DOCTYPE_PUBLIC_IDENTIFIER"] = 57] = "BEFORE_DOCTYPE_PUBLIC_IDENTIFIER";
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State[State["DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED"] = 58] = "DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED";
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State[State["DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED"] = 59] = "DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED";
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State[State["AFTER_DOCTYPE_PUBLIC_IDENTIFIER"] = 60] = "AFTER_DOCTYPE_PUBLIC_IDENTIFIER";
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State[State["BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS"] = 61] = "BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS";
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State[State["AFTER_DOCTYPE_SYSTEM_KEYWORD"] = 62] = "AFTER_DOCTYPE_SYSTEM_KEYWORD";
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State[State["BEFORE_DOCTYPE_SYSTEM_IDENTIFIER"] = 63] = "BEFORE_DOCTYPE_SYSTEM_IDENTIFIER";
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State[State["DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED"] = 64] = "DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED";
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State[State["DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED"] = 65] = "DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED";
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State[State["AFTER_DOCTYPE_SYSTEM_IDENTIFIER"] = 66] = "AFTER_DOCTYPE_SYSTEM_IDENTIFIER";
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State[State["BOGUS_DOCTYPE"] = 67] = "BOGUS_DOCTYPE";
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State[State["CDATA_SECTION"] = 68] = "CDATA_SECTION";
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State[State["CDATA_SECTION_BRACKET"] = 69] = "CDATA_SECTION_BRACKET";
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State[State["CDATA_SECTION_END"] = 70] = "CDATA_SECTION_END";
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State[State["CHARACTER_REFERENCE"] = 71] = "CHARACTER_REFERENCE";
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State[State["NAMED_CHARACTER_REFERENCE"] = 72] = "NAMED_CHARACTER_REFERENCE";
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State[State["AMBIGUOUS_AMPERSAND"] = 73] = "AMBIGUOUS_AMPERSAND";
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State[State["NUMERIC_CHARACTER_REFERENCE"] = 74] = "NUMERIC_CHARACTER_REFERENCE";
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State[State["HEXADEMICAL_CHARACTER_REFERENCE_START"] = 75] = "HEXADEMICAL_CHARACTER_REFERENCE_START";
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State[State["HEXADEMICAL_CHARACTER_REFERENCE"] = 76] = "HEXADEMICAL_CHARACTER_REFERENCE";
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State[State["DECIMAL_CHARACTER_REFERENCE"] = 77] = "DECIMAL_CHARACTER_REFERENCE";
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State[State["NUMERIC_CHARACTER_REFERENCE_END"] = 78] = "NUMERIC_CHARACTER_REFERENCE_END";
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})(State || (State = {}));
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//Tokenizer initial states for different modes
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export const TokenizerMode = {
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DATA: State.DATA,
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RCDATA: State.RCDATA,
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RAWTEXT: State.RAWTEXT,
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SCRIPT_DATA: State.SCRIPT_DATA,
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PLAINTEXT: State.PLAINTEXT,
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CDATA_SECTION: State.CDATA_SECTION,
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};
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//Utils
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//OPTIMIZATION: these utility functions should not be moved out of this module. V8 Crankshaft will not inline
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//this functions if they will be situated in another module due to context switch.
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//Always perform inlining check before modifying this functions ('node --trace-inlining').
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function isAsciiDigit(cp) {
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return cp >= $.DIGIT_0 && cp <= $.DIGIT_9;
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}
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function isAsciiUpper(cp) {
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return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_Z;
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}
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function isAsciiLower(cp) {
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return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_Z;
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}
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function isAsciiLetter(cp) {
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return isAsciiLower(cp) || isAsciiUpper(cp);
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}
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function isAsciiAlphaNumeric(cp) {
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return isAsciiLetter(cp) || isAsciiDigit(cp);
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}
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function isAsciiUpperHexDigit(cp) {
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return cp >= $.LATIN_CAPITAL_A && cp <= $.LATIN_CAPITAL_F;
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}
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function isAsciiLowerHexDigit(cp) {
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return cp >= $.LATIN_SMALL_A && cp <= $.LATIN_SMALL_F;
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}
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function isAsciiHexDigit(cp) {
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return isAsciiDigit(cp) || isAsciiUpperHexDigit(cp) || isAsciiLowerHexDigit(cp);
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}
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function toAsciiLower(cp) {
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return cp + 32;
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}
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function isWhitespace(cp) {
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return cp === $.SPACE || cp === $.LINE_FEED || cp === $.TABULATION || cp === $.FORM_FEED;
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}
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function isEntityInAttributeInvalidEnd(nextCp) {
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return nextCp === $.EQUALS_SIGN || isAsciiAlphaNumeric(nextCp);
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}
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function isScriptDataDoubleEscapeSequenceEnd(cp) {
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return isWhitespace(cp) || cp === $.SOLIDUS || cp === $.GREATER_THAN_SIGN;
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}
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//Tokenizer
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export class Tokenizer {
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constructor(options, handler) {
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this.options = options;
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this.handler = handler;
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this.paused = false;
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/** Ensures that the parsing loop isn't run multiple times at once. */
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this.inLoop = false;
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/**
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* Indicates that the current adjusted node exists, is not an element in the HTML namespace,
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* and that it is not an integration point for either MathML or HTML.
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*
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* @see {@link https://html.spec.whatwg.org/multipage/parsing.html#tree-construction}
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*/
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this.inForeignNode = false;
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this.lastStartTagName = '';
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this.active = false;
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this.state = State.DATA;
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this.returnState = State.DATA;
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this.charRefCode = -1;
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this.consumedAfterSnapshot = -1;
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this.currentCharacterToken = null;
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this.currentToken = null;
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this.currentAttr = { name: '', value: '' };
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this.preprocessor = new Preprocessor(handler);
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this.currentLocation = this.getCurrentLocation(-1);
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}
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//Errors
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_err(code) {
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var _a, _b;
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(_b = (_a = this.handler).onParseError) === null || _b === void 0 ? void 0 : _b.call(_a, this.preprocessor.getError(code));
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}
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// NOTE: `offset` may never run across line boundaries.
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getCurrentLocation(offset) {
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if (!this.options.sourceCodeLocationInfo) {
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return null;
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}
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return {
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startLine: this.preprocessor.line,
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startCol: this.preprocessor.col - offset,
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startOffset: this.preprocessor.offset - offset,
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endLine: -1,
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endCol: -1,
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endOffset: -1,
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};
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}
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_runParsingLoop() {
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if (this.inLoop)
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return;
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this.inLoop = true;
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while (this.active && !this.paused) {
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this.consumedAfterSnapshot = 0;
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const cp = this._consume();
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if (!this._ensureHibernation()) {
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this._callState(cp);
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}
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}
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this.inLoop = false;
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}
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//API
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pause() {
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this.paused = true;
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}
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resume(writeCallback) {
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if (!this.paused) {
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throw new Error('Parser was already resumed');
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}
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this.paused = false;
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// Necessary for synchronous resume.
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if (this.inLoop)
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return;
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this._runParsingLoop();
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if (!this.paused) {
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writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();
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}
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}
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write(chunk, isLastChunk, writeCallback) {
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this.active = true;
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this.preprocessor.write(chunk, isLastChunk);
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this._runParsingLoop();
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if (!this.paused) {
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writeCallback === null || writeCallback === void 0 ? void 0 : writeCallback();
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}
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}
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insertHtmlAtCurrentPos(chunk) {
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this.active = true;
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this.preprocessor.insertHtmlAtCurrentPos(chunk);
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this._runParsingLoop();
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}
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//Hibernation
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_ensureHibernation() {
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if (this.preprocessor.endOfChunkHit) {
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this._unconsume(this.consumedAfterSnapshot);
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this.active = false;
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return true;
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}
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return false;
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}
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//Consumption
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_consume() {
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this.consumedAfterSnapshot++;
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return this.preprocessor.advance();
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}
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_unconsume(count) {
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this.consumedAfterSnapshot -= count;
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this.preprocessor.retreat(count);
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}
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_reconsumeInState(state, cp) {
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this.state = state;
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this._callState(cp);
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}
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_advanceBy(count) {
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this.consumedAfterSnapshot += count;
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for (let i = 0; i < count; i++) {
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this.preprocessor.advance();
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}
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}
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_consumeSequenceIfMatch(pattern, caseSensitive) {
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if (this.preprocessor.startsWith(pattern, caseSensitive)) {
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// We will already have consumed one character before calling this method.
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this._advanceBy(pattern.length - 1);
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return true;
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}
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return false;
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}
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//Token creation
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_createStartTagToken() {
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this.currentToken = {
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type: TokenType.START_TAG,
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tagName: '',
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tagID: TAG_ID.UNKNOWN,
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selfClosing: false,
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ackSelfClosing: false,
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attrs: [],
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location: this.getCurrentLocation(1),
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};
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}
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_createEndTagToken() {
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this.currentToken = {
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type: TokenType.END_TAG,
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tagName: '',
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tagID: TAG_ID.UNKNOWN,
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selfClosing: false,
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ackSelfClosing: false,
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attrs: [],
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location: this.getCurrentLocation(2),
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};
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}
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_createCommentToken(offset) {
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this.currentToken = {
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type: TokenType.COMMENT,
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data: '',
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location: this.getCurrentLocation(offset),
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};
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}
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_createDoctypeToken(initialName) {
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this.currentToken = {
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type: TokenType.DOCTYPE,
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name: initialName,
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forceQuirks: false,
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publicId: null,
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systemId: null,
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location: this.currentLocation,
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};
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}
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_createCharacterToken(type, chars) {
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this.currentCharacterToken = {
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type,
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chars,
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location: this.currentLocation,
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};
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}
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//Tag attributes
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_createAttr(attrNameFirstCh) {
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this.currentAttr = {
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name: attrNameFirstCh,
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value: '',
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};
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this.currentLocation = this.getCurrentLocation(0);
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}
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_leaveAttrName() {
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var _a;
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var _b;
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const token = this.currentToken;
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if (getTokenAttr(token, this.currentAttr.name) === null) {
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token.attrs.push(this.currentAttr);
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if (token.location && this.currentLocation) {
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const attrLocations = ((_a = (_b = token.location).attrs) !== null && _a !== void 0 ? _a : (_b.attrs = Object.create(null)));
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attrLocations[this.currentAttr.name] = this.currentLocation;
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// Set end location
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this._leaveAttrValue();
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}
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}
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else {
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this._err(ERR.duplicateAttribute);
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}
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}
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_leaveAttrValue() {
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if (this.currentLocation) {
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this.currentLocation.endLine = this.preprocessor.line;
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this.currentLocation.endCol = this.preprocessor.col;
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this.currentLocation.endOffset = this.preprocessor.offset;
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}
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}
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//Token emission
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prepareToken(ct) {
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this._emitCurrentCharacterToken(ct.location);
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this.currentToken = null;
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if (ct.location) {
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ct.location.endLine = this.preprocessor.line;
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ct.location.endCol = this.preprocessor.col + 1;
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ct.location.endOffset = this.preprocessor.offset + 1;
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}
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this.currentLocation = this.getCurrentLocation(-1);
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}
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emitCurrentTagToken() {
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const ct = this.currentToken;
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this.prepareToken(ct);
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ct.tagID = getTagID(ct.tagName);
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if (ct.type === TokenType.START_TAG) {
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this.lastStartTagName = ct.tagName;
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this.handler.onStartTag(ct);
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}
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else {
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if (ct.attrs.length > 0) {
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this._err(ERR.endTagWithAttributes);
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}
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if (ct.selfClosing) {
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this._err(ERR.endTagWithTrailingSolidus);
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}
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this.handler.onEndTag(ct);
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|
}
|
|
this.preprocessor.dropParsedChunk();
|
|
}
|
|
emitCurrentComment(ct) {
|
|
this.prepareToken(ct);
|
|
this.handler.onComment(ct);
|
|
this.preprocessor.dropParsedChunk();
|
|
}
|
|
emitCurrentDoctype(ct) {
|
|
this.prepareToken(ct);
|
|
this.handler.onDoctype(ct);
|
|
this.preprocessor.dropParsedChunk();
|
|
}
|
|
_emitCurrentCharacterToken(nextLocation) {
|
|
if (this.currentCharacterToken) {
|
|
//NOTE: if we have a pending character token, make it's end location equal to the
|
|
//current token's start location.
|
|
if (nextLocation && this.currentCharacterToken.location) {
|
|
this.currentCharacterToken.location.endLine = nextLocation.startLine;
|
|
this.currentCharacterToken.location.endCol = nextLocation.startCol;
|
|
this.currentCharacterToken.location.endOffset = nextLocation.startOffset;
|
|
}
|
|
switch (this.currentCharacterToken.type) {
|
|
case TokenType.CHARACTER: {
|
|
this.handler.onCharacter(this.currentCharacterToken);
|
|
break;
|
|
}
|
|
case TokenType.NULL_CHARACTER: {
|
|
this.handler.onNullCharacter(this.currentCharacterToken);
|
|
break;
|
|
}
|
|
case TokenType.WHITESPACE_CHARACTER: {
|
|
this.handler.onWhitespaceCharacter(this.currentCharacterToken);
|
|
break;
|
|
}
|
|
}
|
|
this.currentCharacterToken = null;
|
|
}
|
|
}
|
|
_emitEOFToken() {
|
|
const location = this.getCurrentLocation(0);
|
|
if (location) {
|
|
location.endLine = location.startLine;
|
|
location.endCol = location.startCol;
|
|
location.endOffset = location.startOffset;
|
|
}
|
|
this._emitCurrentCharacterToken(location);
|
|
this.handler.onEof({ type: TokenType.EOF, location });
|
|
this.active = false;
|
|
}
|
|
//Characters emission
|
|
//OPTIMIZATION: specification uses only one type of character tokens (one token per character).
|
|
//This causes a huge memory overhead and a lot of unnecessary parser loops. parse5 uses 3 groups of characters.
|
|
//If we have a sequence of characters that belong to the same group, the parser can process it
|
|
//as a single solid character token.
|
|
//So, there are 3 types of character tokens in parse5:
|
|
//1)TokenType.NULL_CHARACTER - \u0000-character sequences (e.g. '\u0000\u0000\u0000')
|
|
//2)TokenType.WHITESPACE_CHARACTER - any whitespace/new-line character sequences (e.g. '\n \r\t \f')
|
|
//3)TokenType.CHARACTER - any character sequence which don't belong to groups 1 and 2 (e.g. 'abcdef1234@@#$%^')
|
|
_appendCharToCurrentCharacterToken(type, ch) {
|
|
if (this.currentCharacterToken) {
|
|
if (this.currentCharacterToken.type !== type) {
|
|
this.currentLocation = this.getCurrentLocation(0);
|
|
this._emitCurrentCharacterToken(this.currentLocation);
|
|
this.preprocessor.dropParsedChunk();
|
|
}
|
|
else {
|
|
this.currentCharacterToken.chars += ch;
|
|
return;
|
|
}
|
|
}
|
|
this._createCharacterToken(type, ch);
|
|
}
|
|
_emitCodePoint(cp) {
|
|
const type = isWhitespace(cp)
|
|
? TokenType.WHITESPACE_CHARACTER
|
|
: cp === $.NULL
|
|
? TokenType.NULL_CHARACTER
|
|
: TokenType.CHARACTER;
|
|
this._appendCharToCurrentCharacterToken(type, String.fromCodePoint(cp));
|
|
}
|
|
//NOTE: used when we emit characters explicitly.
|
|
//This is always for non-whitespace and non-null characters, which allows us to avoid additional checks.
|
|
_emitChars(ch) {
|
|
this._appendCharToCurrentCharacterToken(TokenType.CHARACTER, ch);
|
|
}
|
|
// Character reference helpers
|
|
_matchNamedCharacterReference(cp) {
|
|
let result = null;
|
|
let excess = 0;
|
|
let withoutSemicolon = false;
|
|
for (let i = 0, current = htmlDecodeTree[0]; i >= 0; cp = this._consume()) {
|
|
i = determineBranch(htmlDecodeTree, current, i + 1, cp);
|
|
if (i < 0)
|
|
break;
|
|
excess += 1;
|
|
current = htmlDecodeTree[i];
|
|
const masked = current & BinTrieFlags.VALUE_LENGTH;
|
|
// If the branch is a value, store it and continue
|
|
if (masked) {
|
|
// The mask is the number of bytes of the value, including the current byte.
|
|
const valueLength = (masked >> 14) - 1;
|
|
// Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
|
|
// See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
|
|
if (cp !== $.SEMICOLON &&
|
|
this._isCharacterReferenceInAttribute() &&
|
|
isEntityInAttributeInvalidEnd(this.preprocessor.peek(1))) {
|
|
//NOTE: we don't flush all consumed code points here, and instead switch back to the original state after
|
|
//emitting an ampersand. This is fine, as alphanumeric characters won't be parsed differently in attributes.
|
|
result = [$.AMPERSAND];
|
|
// Skip over the value.
|
|
i += valueLength;
|
|
}
|
|
else {
|
|
// If this is a surrogate pair, consume the next two bytes.
|
|
result =
|
|
valueLength === 0
|
|
? [htmlDecodeTree[i] & ~BinTrieFlags.VALUE_LENGTH]
|
|
: valueLength === 1
|
|
? [htmlDecodeTree[++i]]
|
|
: [htmlDecodeTree[++i], htmlDecodeTree[++i]];
|
|
excess = 0;
|
|
withoutSemicolon = cp !== $.SEMICOLON;
|
|
}
|
|
if (valueLength === 0) {
|
|
// If the value is zero-length, we're done.
|
|
this._consume();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
this._unconsume(excess);
|
|
if (withoutSemicolon && !this.preprocessor.endOfChunkHit) {
|
|
this._err(ERR.missingSemicolonAfterCharacterReference);
|
|
}
|
|
// We want to emit the error above on the code point after the entity.
|
|
// We always consume one code point too many in the loop, and we wait to
|
|
// unconsume it until after the error is emitted.
|
|
this._unconsume(1);
|
|
return result;
|
|
}
|
|
_isCharacterReferenceInAttribute() {
|
|
return (this.returnState === State.ATTRIBUTE_VALUE_DOUBLE_QUOTED ||
|
|
this.returnState === State.ATTRIBUTE_VALUE_SINGLE_QUOTED ||
|
|
this.returnState === State.ATTRIBUTE_VALUE_UNQUOTED);
|
|
}
|
|
_flushCodePointConsumedAsCharacterReference(cp) {
|
|
if (this._isCharacterReferenceInAttribute()) {
|
|
this.currentAttr.value += String.fromCodePoint(cp);
|
|
}
|
|
else {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
// Calling states this way turns out to be much faster than any other approach.
|
|
_callState(cp) {
|
|
switch (this.state) {
|
|
case State.DATA: {
|
|
this._stateData(cp);
|
|
break;
|
|
}
|
|
case State.RCDATA: {
|
|
this._stateRcdata(cp);
|
|
break;
|
|
}
|
|
case State.RAWTEXT: {
|
|
this._stateRawtext(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA: {
|
|
this._stateScriptData(cp);
|
|
break;
|
|
}
|
|
case State.PLAINTEXT: {
|
|
this._statePlaintext(cp);
|
|
break;
|
|
}
|
|
case State.TAG_OPEN: {
|
|
this._stateTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.END_TAG_OPEN: {
|
|
this._stateEndTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.TAG_NAME: {
|
|
this._stateTagName(cp);
|
|
break;
|
|
}
|
|
case State.RCDATA_LESS_THAN_SIGN: {
|
|
this._stateRcdataLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.RCDATA_END_TAG_OPEN: {
|
|
this._stateRcdataEndTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.RCDATA_END_TAG_NAME: {
|
|
this._stateRcdataEndTagName(cp);
|
|
break;
|
|
}
|
|
case State.RAWTEXT_LESS_THAN_SIGN: {
|
|
this._stateRawtextLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.RAWTEXT_END_TAG_OPEN: {
|
|
this._stateRawtextEndTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.RAWTEXT_END_TAG_NAME: {
|
|
this._stateRawtextEndTagName(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_LESS_THAN_SIGN: {
|
|
this._stateScriptDataLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_END_TAG_OPEN: {
|
|
this._stateScriptDataEndTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_END_TAG_NAME: {
|
|
this._stateScriptDataEndTagName(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPE_START: {
|
|
this._stateScriptDataEscapeStart(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPE_START_DASH: {
|
|
this._stateScriptDataEscapeStartDash(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED: {
|
|
this._stateScriptDataEscaped(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED_DASH: {
|
|
this._stateScriptDataEscapedDash(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED_DASH_DASH: {
|
|
this._stateScriptDataEscapedDashDash(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN: {
|
|
this._stateScriptDataEscapedLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN: {
|
|
this._stateScriptDataEscapedEndTagOpen(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_ESCAPED_END_TAG_NAME: {
|
|
this._stateScriptDataEscapedEndTagName(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPE_START: {
|
|
this._stateScriptDataDoubleEscapeStart(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPED: {
|
|
this._stateScriptDataDoubleEscaped(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH: {
|
|
this._stateScriptDataDoubleEscapedDash(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH: {
|
|
this._stateScriptDataDoubleEscapedDashDash(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN: {
|
|
this._stateScriptDataDoubleEscapedLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.SCRIPT_DATA_DOUBLE_ESCAPE_END: {
|
|
this._stateScriptDataDoubleEscapeEnd(cp);
|
|
break;
|
|
}
|
|
case State.BEFORE_ATTRIBUTE_NAME: {
|
|
this._stateBeforeAttributeName(cp);
|
|
break;
|
|
}
|
|
case State.ATTRIBUTE_NAME: {
|
|
this._stateAttributeName(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_ATTRIBUTE_NAME: {
|
|
this._stateAfterAttributeName(cp);
|
|
break;
|
|
}
|
|
case State.BEFORE_ATTRIBUTE_VALUE: {
|
|
this._stateBeforeAttributeValue(cp);
|
|
break;
|
|
}
|
|
case State.ATTRIBUTE_VALUE_DOUBLE_QUOTED: {
|
|
this._stateAttributeValueDoubleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.ATTRIBUTE_VALUE_SINGLE_QUOTED: {
|
|
this._stateAttributeValueSingleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.ATTRIBUTE_VALUE_UNQUOTED: {
|
|
this._stateAttributeValueUnquoted(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_ATTRIBUTE_VALUE_QUOTED: {
|
|
this._stateAfterAttributeValueQuoted(cp);
|
|
break;
|
|
}
|
|
case State.SELF_CLOSING_START_TAG: {
|
|
this._stateSelfClosingStartTag(cp);
|
|
break;
|
|
}
|
|
case State.BOGUS_COMMENT: {
|
|
this._stateBogusComment(cp);
|
|
break;
|
|
}
|
|
case State.MARKUP_DECLARATION_OPEN: {
|
|
this._stateMarkupDeclarationOpen(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_START: {
|
|
this._stateCommentStart(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_START_DASH: {
|
|
this._stateCommentStartDash(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT: {
|
|
this._stateComment(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_LESS_THAN_SIGN: {
|
|
this._stateCommentLessThanSign(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_LESS_THAN_SIGN_BANG: {
|
|
this._stateCommentLessThanSignBang(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_LESS_THAN_SIGN_BANG_DASH: {
|
|
this._stateCommentLessThanSignBangDash(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH: {
|
|
this._stateCommentLessThanSignBangDashDash(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_END_DASH: {
|
|
this._stateCommentEndDash(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_END: {
|
|
this._stateCommentEnd(cp);
|
|
break;
|
|
}
|
|
case State.COMMENT_END_BANG: {
|
|
this._stateCommentEndBang(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE: {
|
|
this._stateDoctype(cp);
|
|
break;
|
|
}
|
|
case State.BEFORE_DOCTYPE_NAME: {
|
|
this._stateBeforeDoctypeName(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE_NAME: {
|
|
this._stateDoctypeName(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_DOCTYPE_NAME: {
|
|
this._stateAfterDoctypeName(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_DOCTYPE_PUBLIC_KEYWORD: {
|
|
this._stateAfterDoctypePublicKeyword(cp);
|
|
break;
|
|
}
|
|
case State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER: {
|
|
this._stateBeforeDoctypePublicIdentifier(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED: {
|
|
this._stateDoctypePublicIdentifierDoubleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED: {
|
|
this._stateDoctypePublicIdentifierSingleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER: {
|
|
this._stateAfterDoctypePublicIdentifier(cp);
|
|
break;
|
|
}
|
|
case State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS: {
|
|
this._stateBetweenDoctypePublicAndSystemIdentifiers(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_DOCTYPE_SYSTEM_KEYWORD: {
|
|
this._stateAfterDoctypeSystemKeyword(cp);
|
|
break;
|
|
}
|
|
case State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER: {
|
|
this._stateBeforeDoctypeSystemIdentifier(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED: {
|
|
this._stateDoctypeSystemIdentifierDoubleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED: {
|
|
this._stateDoctypeSystemIdentifierSingleQuoted(cp);
|
|
break;
|
|
}
|
|
case State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER: {
|
|
this._stateAfterDoctypeSystemIdentifier(cp);
|
|
break;
|
|
}
|
|
case State.BOGUS_DOCTYPE: {
|
|
this._stateBogusDoctype(cp);
|
|
break;
|
|
}
|
|
case State.CDATA_SECTION: {
|
|
this._stateCdataSection(cp);
|
|
break;
|
|
}
|
|
case State.CDATA_SECTION_BRACKET: {
|
|
this._stateCdataSectionBracket(cp);
|
|
break;
|
|
}
|
|
case State.CDATA_SECTION_END: {
|
|
this._stateCdataSectionEnd(cp);
|
|
break;
|
|
}
|
|
case State.CHARACTER_REFERENCE: {
|
|
this._stateCharacterReference(cp);
|
|
break;
|
|
}
|
|
case State.NAMED_CHARACTER_REFERENCE: {
|
|
this._stateNamedCharacterReference(cp);
|
|
break;
|
|
}
|
|
case State.AMBIGUOUS_AMPERSAND: {
|
|
this._stateAmbiguousAmpersand(cp);
|
|
break;
|
|
}
|
|
case State.NUMERIC_CHARACTER_REFERENCE: {
|
|
this._stateNumericCharacterReference(cp);
|
|
break;
|
|
}
|
|
case State.HEXADEMICAL_CHARACTER_REFERENCE_START: {
|
|
this._stateHexademicalCharacterReferenceStart(cp);
|
|
break;
|
|
}
|
|
case State.HEXADEMICAL_CHARACTER_REFERENCE: {
|
|
this._stateHexademicalCharacterReference(cp);
|
|
break;
|
|
}
|
|
case State.DECIMAL_CHARACTER_REFERENCE: {
|
|
this._stateDecimalCharacterReference(cp);
|
|
break;
|
|
}
|
|
case State.NUMERIC_CHARACTER_REFERENCE_END: {
|
|
this._stateNumericCharacterReferenceEnd(cp);
|
|
break;
|
|
}
|
|
default: {
|
|
throw new Error('Unknown state');
|
|
}
|
|
}
|
|
}
|
|
// State machine
|
|
// Data state
|
|
//------------------------------------------------------------------
|
|
_stateData(cp) {
|
|
switch (cp) {
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.TAG_OPEN;
|
|
break;
|
|
}
|
|
case $.AMPERSAND: {
|
|
this.returnState = State.DATA;
|
|
this.state = State.CHARACTER_REFERENCE;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitCodePoint(cp);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// RCDATA state
|
|
//------------------------------------------------------------------
|
|
_stateRcdata(cp) {
|
|
switch (cp) {
|
|
case $.AMPERSAND: {
|
|
this.returnState = State.RCDATA;
|
|
this.state = State.CHARACTER_REFERENCE;
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.RCDATA_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// RAWTEXT state
|
|
//------------------------------------------------------------------
|
|
_stateRawtext(cp) {
|
|
switch (cp) {
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.RAWTEXT_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data state
|
|
//------------------------------------------------------------------
|
|
_stateScriptData(cp) {
|
|
switch (cp) {
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// PLAINTEXT state
|
|
//------------------------------------------------------------------
|
|
_statePlaintext(cp) {
|
|
switch (cp) {
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Tag open state
|
|
//------------------------------------------------------------------
|
|
_stateTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this._createStartTagToken();
|
|
this.state = State.TAG_NAME;
|
|
this._stateTagName(cp);
|
|
}
|
|
else
|
|
switch (cp) {
|
|
case $.EXCLAMATION_MARK: {
|
|
this.state = State.MARKUP_DECLARATION_OPEN;
|
|
break;
|
|
}
|
|
case $.SOLIDUS: {
|
|
this.state = State.END_TAG_OPEN;
|
|
break;
|
|
}
|
|
case $.QUESTION_MARK: {
|
|
this._err(ERR.unexpectedQuestionMarkInsteadOfTagName);
|
|
this._createCommentToken(1);
|
|
this.state = State.BOGUS_COMMENT;
|
|
this._stateBogusComment(cp);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofBeforeTagName);
|
|
this._emitChars('<');
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.invalidFirstCharacterOfTagName);
|
|
this._emitChars('<');
|
|
this.state = State.DATA;
|
|
this._stateData(cp);
|
|
}
|
|
}
|
|
}
|
|
// End tag open state
|
|
//------------------------------------------------------------------
|
|
_stateEndTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this._createEndTagToken();
|
|
this.state = State.TAG_NAME;
|
|
this._stateTagName(cp);
|
|
}
|
|
else
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingEndTagName);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofBeforeTagName);
|
|
this._emitChars('</');
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.invalidFirstCharacterOfTagName);
|
|
this._createCommentToken(2);
|
|
this.state = State.BOGUS_COMMENT;
|
|
this._stateBogusComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Tag name state
|
|
//------------------------------------------------------------------
|
|
_stateTagName(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
break;
|
|
}
|
|
case $.SOLIDUS: {
|
|
this.state = State.SELF_CLOSING_START_TAG;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.tagName += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.tagName += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
|
|
}
|
|
}
|
|
}
|
|
// RCDATA less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateRcdataLessThanSign(cp) {
|
|
if (cp === $.SOLIDUS) {
|
|
this.state = State.RCDATA_END_TAG_OPEN;
|
|
}
|
|
else {
|
|
this._emitChars('<');
|
|
this.state = State.RCDATA;
|
|
this._stateRcdata(cp);
|
|
}
|
|
}
|
|
// RCDATA end tag open state
|
|
//------------------------------------------------------------------
|
|
_stateRcdataEndTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this.state = State.RCDATA_END_TAG_NAME;
|
|
this._stateRcdataEndTagName(cp);
|
|
}
|
|
else {
|
|
this._emitChars('</');
|
|
this.state = State.RCDATA;
|
|
this._stateRcdata(cp);
|
|
}
|
|
}
|
|
handleSpecialEndTag(_cp) {
|
|
if (!this.preprocessor.startsWith(this.lastStartTagName, false)) {
|
|
return !this._ensureHibernation();
|
|
}
|
|
this._createEndTagToken();
|
|
const token = this.currentToken;
|
|
token.tagName = this.lastStartTagName;
|
|
const cp = this.preprocessor.peek(this.lastStartTagName.length);
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this._advanceBy(this.lastStartTagName.length);
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
return false;
|
|
}
|
|
case $.SOLIDUS: {
|
|
this._advanceBy(this.lastStartTagName.length);
|
|
this.state = State.SELF_CLOSING_START_TAG;
|
|
return false;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._advanceBy(this.lastStartTagName.length);
|
|
this.emitCurrentTagToken();
|
|
this.state = State.DATA;
|
|
return false;
|
|
}
|
|
default: {
|
|
return !this._ensureHibernation();
|
|
}
|
|
}
|
|
}
|
|
// RCDATA end tag name state
|
|
//------------------------------------------------------------------
|
|
_stateRcdataEndTagName(cp) {
|
|
if (this.handleSpecialEndTag(cp)) {
|
|
this._emitChars('</');
|
|
this.state = State.RCDATA;
|
|
this._stateRcdata(cp);
|
|
}
|
|
}
|
|
// RAWTEXT less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateRawtextLessThanSign(cp) {
|
|
if (cp === $.SOLIDUS) {
|
|
this.state = State.RAWTEXT_END_TAG_OPEN;
|
|
}
|
|
else {
|
|
this._emitChars('<');
|
|
this.state = State.RAWTEXT;
|
|
this._stateRawtext(cp);
|
|
}
|
|
}
|
|
// RAWTEXT end tag open state
|
|
//------------------------------------------------------------------
|
|
_stateRawtextEndTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this.state = State.RAWTEXT_END_TAG_NAME;
|
|
this._stateRawtextEndTagName(cp);
|
|
}
|
|
else {
|
|
this._emitChars('</');
|
|
this.state = State.RAWTEXT;
|
|
this._stateRawtext(cp);
|
|
}
|
|
}
|
|
// RAWTEXT end tag name state
|
|
//------------------------------------------------------------------
|
|
_stateRawtextEndTagName(cp) {
|
|
if (this.handleSpecialEndTag(cp)) {
|
|
this._emitChars('</');
|
|
this.state = State.RAWTEXT;
|
|
this._stateRawtext(cp);
|
|
}
|
|
}
|
|
// Script data less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataLessThanSign(cp) {
|
|
switch (cp) {
|
|
case $.SOLIDUS: {
|
|
this.state = State.SCRIPT_DATA_END_TAG_OPEN;
|
|
break;
|
|
}
|
|
case $.EXCLAMATION_MARK: {
|
|
this.state = State.SCRIPT_DATA_ESCAPE_START;
|
|
this._emitChars('<!');
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitChars('<');
|
|
this.state = State.SCRIPT_DATA;
|
|
this._stateScriptData(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data end tag open state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEndTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this.state = State.SCRIPT_DATA_END_TAG_NAME;
|
|
this._stateScriptDataEndTagName(cp);
|
|
}
|
|
else {
|
|
this._emitChars('</');
|
|
this.state = State.SCRIPT_DATA;
|
|
this._stateScriptData(cp);
|
|
}
|
|
}
|
|
// Script data end tag name state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEndTagName(cp) {
|
|
if (this.handleSpecialEndTag(cp)) {
|
|
this._emitChars('</');
|
|
this.state = State.SCRIPT_DATA;
|
|
this._stateScriptData(cp);
|
|
}
|
|
}
|
|
// Script data escape start state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapeStart(cp) {
|
|
if (cp === $.HYPHEN_MINUS) {
|
|
this.state = State.SCRIPT_DATA_ESCAPE_START_DASH;
|
|
this._emitChars('-');
|
|
}
|
|
else {
|
|
this.state = State.SCRIPT_DATA;
|
|
this._stateScriptData(cp);
|
|
}
|
|
}
|
|
// Script data escape start dash state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapeStartDash(cp) {
|
|
if (cp === $.HYPHEN_MINUS) {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_DASH_DASH;
|
|
this._emitChars('-');
|
|
}
|
|
else {
|
|
this.state = State.SCRIPT_DATA;
|
|
this._stateScriptData(cp);
|
|
}
|
|
}
|
|
// Script data escaped state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscaped(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_DASH;
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data escaped dash state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapedDash(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_DASH_DASH;
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data escaped dash dash state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapedDashDash(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA;
|
|
this._emitChars('>');
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data escaped less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapedLessThanSign(cp) {
|
|
if (cp === $.SOLIDUS) {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_OPEN;
|
|
}
|
|
else if (isAsciiLetter(cp)) {
|
|
this._emitChars('<');
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_START;
|
|
this._stateScriptDataDoubleEscapeStart(cp);
|
|
}
|
|
else {
|
|
this._emitChars('<');
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._stateScriptDataEscaped(cp);
|
|
}
|
|
}
|
|
// Script data escaped end tag open state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapedEndTagOpen(cp) {
|
|
if (isAsciiLetter(cp)) {
|
|
this.state = State.SCRIPT_DATA_ESCAPED_END_TAG_NAME;
|
|
this._stateScriptDataEscapedEndTagName(cp);
|
|
}
|
|
else {
|
|
this._emitChars('</');
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._stateScriptDataEscaped(cp);
|
|
}
|
|
}
|
|
// Script data escaped end tag name state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataEscapedEndTagName(cp) {
|
|
if (this.handleSpecialEndTag(cp)) {
|
|
this._emitChars('</');
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._stateScriptDataEscaped(cp);
|
|
}
|
|
}
|
|
// Script data double escape start state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscapeStart(cp) {
|
|
if (this.preprocessor.startsWith($$.SCRIPT, false) &&
|
|
isScriptDataDoubleEscapeSequenceEnd(this.preprocessor.peek($$.SCRIPT.length))) {
|
|
this._emitCodePoint(cp);
|
|
for (let i = 0; i < $$.SCRIPT.length; i++) {
|
|
this._emitCodePoint(this._consume());
|
|
}
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
}
|
|
else if (!this._ensureHibernation()) {
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
this._stateScriptDataEscaped(cp);
|
|
}
|
|
}
|
|
// Script data double escaped state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscaped(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH;
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
|
|
this._emitChars('<');
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data double escaped dash state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscapedDash(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH;
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
|
|
this._emitChars('<');
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data double escaped dash dash state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscapedDashDash(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this._emitChars('-');
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN;
|
|
this._emitChars('<');
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.SCRIPT_DATA;
|
|
this._emitChars('>');
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._emitChars(REPLACEMENT_CHARACTER);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInScriptHtmlCommentLikeText);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Script data double escaped less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscapedLessThanSign(cp) {
|
|
if (cp === $.SOLIDUS) {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPE_END;
|
|
this._emitChars('/');
|
|
}
|
|
else {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._stateScriptDataDoubleEscaped(cp);
|
|
}
|
|
}
|
|
// Script data double escape end state
|
|
//------------------------------------------------------------------
|
|
_stateScriptDataDoubleEscapeEnd(cp) {
|
|
if (this.preprocessor.startsWith($$.SCRIPT, false) &&
|
|
isScriptDataDoubleEscapeSequenceEnd(this.preprocessor.peek($$.SCRIPT.length))) {
|
|
this._emitCodePoint(cp);
|
|
for (let i = 0; i < $$.SCRIPT.length; i++) {
|
|
this._emitCodePoint(this._consume());
|
|
}
|
|
this.state = State.SCRIPT_DATA_ESCAPED;
|
|
}
|
|
else if (!this._ensureHibernation()) {
|
|
this.state = State.SCRIPT_DATA_DOUBLE_ESCAPED;
|
|
this._stateScriptDataDoubleEscaped(cp);
|
|
}
|
|
}
|
|
// Before attribute name state
|
|
//------------------------------------------------------------------
|
|
_stateBeforeAttributeName(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.SOLIDUS:
|
|
case $.GREATER_THAN_SIGN:
|
|
case $.EOF: {
|
|
this.state = State.AFTER_ATTRIBUTE_NAME;
|
|
this._stateAfterAttributeName(cp);
|
|
break;
|
|
}
|
|
case $.EQUALS_SIGN: {
|
|
this._err(ERR.unexpectedEqualsSignBeforeAttributeName);
|
|
this._createAttr('=');
|
|
this.state = State.ATTRIBUTE_NAME;
|
|
break;
|
|
}
|
|
default: {
|
|
this._createAttr('');
|
|
this.state = State.ATTRIBUTE_NAME;
|
|
this._stateAttributeName(cp);
|
|
}
|
|
}
|
|
}
|
|
// Attribute name state
|
|
//------------------------------------------------------------------
|
|
_stateAttributeName(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED:
|
|
case $.SOLIDUS:
|
|
case $.GREATER_THAN_SIGN:
|
|
case $.EOF: {
|
|
this._leaveAttrName();
|
|
this.state = State.AFTER_ATTRIBUTE_NAME;
|
|
this._stateAfterAttributeName(cp);
|
|
break;
|
|
}
|
|
case $.EQUALS_SIGN: {
|
|
this._leaveAttrName();
|
|
this.state = State.BEFORE_ATTRIBUTE_VALUE;
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK:
|
|
case $.APOSTROPHE:
|
|
case $.LESS_THAN_SIGN: {
|
|
this._err(ERR.unexpectedCharacterInAttributeName);
|
|
this.currentAttr.name += String.fromCodePoint(cp);
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.currentAttr.name += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
default: {
|
|
this.currentAttr.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
|
|
}
|
|
}
|
|
}
|
|
// After attribute name state
|
|
//------------------------------------------------------------------
|
|
_stateAfterAttributeName(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.SOLIDUS: {
|
|
this.state = State.SELF_CLOSING_START_TAG;
|
|
break;
|
|
}
|
|
case $.EQUALS_SIGN: {
|
|
this.state = State.BEFORE_ATTRIBUTE_VALUE;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._createAttr('');
|
|
this.state = State.ATTRIBUTE_NAME;
|
|
this._stateAttributeName(cp);
|
|
}
|
|
}
|
|
}
|
|
// Before attribute value state
|
|
//------------------------------------------------------------------
|
|
_stateBeforeAttributeValue(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
this.state = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
this.state = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingAttributeValue);
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.ATTRIBUTE_VALUE_UNQUOTED;
|
|
this._stateAttributeValueUnquoted(cp);
|
|
}
|
|
}
|
|
}
|
|
// Attribute value (double-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateAttributeValueDoubleQuoted(cp) {
|
|
switch (cp) {
|
|
case $.QUOTATION_MARK: {
|
|
this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;
|
|
break;
|
|
}
|
|
case $.AMPERSAND: {
|
|
this.returnState = State.ATTRIBUTE_VALUE_DOUBLE_QUOTED;
|
|
this.state = State.CHARACTER_REFERENCE;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.currentAttr.value += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.currentAttr.value += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Attribute value (single-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateAttributeValueSingleQuoted(cp) {
|
|
switch (cp) {
|
|
case $.APOSTROPHE: {
|
|
this.state = State.AFTER_ATTRIBUTE_VALUE_QUOTED;
|
|
break;
|
|
}
|
|
case $.AMPERSAND: {
|
|
this.returnState = State.ATTRIBUTE_VALUE_SINGLE_QUOTED;
|
|
this.state = State.CHARACTER_REFERENCE;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.currentAttr.value += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.currentAttr.value += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Attribute value (unquoted) state
|
|
//------------------------------------------------------------------
|
|
_stateAttributeValueUnquoted(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this._leaveAttrValue();
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
break;
|
|
}
|
|
case $.AMPERSAND: {
|
|
this.returnState = State.ATTRIBUTE_VALUE_UNQUOTED;
|
|
this.state = State.CHARACTER_REFERENCE;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._leaveAttrValue();
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this.currentAttr.value += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK:
|
|
case $.APOSTROPHE:
|
|
case $.LESS_THAN_SIGN:
|
|
case $.EQUALS_SIGN:
|
|
case $.GRAVE_ACCENT: {
|
|
this._err(ERR.unexpectedCharacterInUnquotedAttributeValue);
|
|
this.currentAttr.value += String.fromCodePoint(cp);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this.currentAttr.value += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// After attribute value (quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateAfterAttributeValueQuoted(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this._leaveAttrValue();
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
break;
|
|
}
|
|
case $.SOLIDUS: {
|
|
this._leaveAttrValue();
|
|
this.state = State.SELF_CLOSING_START_TAG;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._leaveAttrValue();
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingWhitespaceBetweenAttributes);
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
this._stateBeforeAttributeName(cp);
|
|
}
|
|
}
|
|
}
|
|
// Self-closing start tag state
|
|
//------------------------------------------------------------------
|
|
_stateSelfClosingStartTag(cp) {
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
const token = this.currentToken;
|
|
token.selfClosing = true;
|
|
this.state = State.DATA;
|
|
this.emitCurrentTagToken();
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInTag);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.unexpectedSolidusInTag);
|
|
this.state = State.BEFORE_ATTRIBUTE_NAME;
|
|
this._stateBeforeAttributeName(cp);
|
|
}
|
|
}
|
|
}
|
|
// Bogus comment state
|
|
//------------------------------------------------------------------
|
|
_stateBogusComment(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentComment(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.data += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Markup declaration open state
|
|
//------------------------------------------------------------------
|
|
_stateMarkupDeclarationOpen(cp) {
|
|
if (this._consumeSequenceIfMatch($$.DASH_DASH, true)) {
|
|
this._createCommentToken($$.DASH_DASH.length + 1);
|
|
this.state = State.COMMENT_START;
|
|
}
|
|
else if (this._consumeSequenceIfMatch($$.DOCTYPE, false)) {
|
|
// NOTE: Doctypes tokens are created without fixed offsets. We keep track of the moment a doctype *might* start here.
|
|
this.currentLocation = this.getCurrentLocation($$.DOCTYPE.length + 1);
|
|
this.state = State.DOCTYPE;
|
|
}
|
|
else if (this._consumeSequenceIfMatch($$.CDATA_START, true)) {
|
|
if (this.inForeignNode) {
|
|
this.state = State.CDATA_SECTION;
|
|
}
|
|
else {
|
|
this._err(ERR.cdataInHtmlContent);
|
|
this._createCommentToken($$.CDATA_START.length + 1);
|
|
this.currentToken.data = '[CDATA[';
|
|
this.state = State.BOGUS_COMMENT;
|
|
}
|
|
}
|
|
//NOTE: Sequence lookups can be abrupted by hibernation. In that case, lookup
|
|
//results are no longer valid and we will need to start over.
|
|
else if (!this._ensureHibernation()) {
|
|
this._err(ERR.incorrectlyOpenedComment);
|
|
this._createCommentToken(2);
|
|
this.state = State.BOGUS_COMMENT;
|
|
this._stateBogusComment(cp);
|
|
}
|
|
}
|
|
// Comment start state
|
|
//------------------------------------------------------------------
|
|
_stateCommentStart(cp) {
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.COMMENT_START_DASH;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptClosingOfEmptyComment);
|
|
this.state = State.DATA;
|
|
const token = this.currentToken;
|
|
this.emitCurrentComment(token);
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment start dash state
|
|
//------------------------------------------------------------------
|
|
_stateCommentStartDash(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.COMMENT_END;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptClosingOfEmptyComment);
|
|
this.state = State.DATA;
|
|
this.emitCurrentComment(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInComment);
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += '-';
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment state
|
|
//------------------------------------------------------------------
|
|
_stateComment(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.COMMENT_END_DASH;
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
token.data += '<';
|
|
this.state = State.COMMENT_LESS_THAN_SIGN;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.data += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInComment);
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment less-than sign state
|
|
//------------------------------------------------------------------
|
|
_stateCommentLessThanSign(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.EXCLAMATION_MARK: {
|
|
token.data += '!';
|
|
this.state = State.COMMENT_LESS_THAN_SIGN_BANG;
|
|
break;
|
|
}
|
|
case $.LESS_THAN_SIGN: {
|
|
token.data += '<';
|
|
break;
|
|
}
|
|
default: {
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment less-than sign bang state
|
|
//------------------------------------------------------------------
|
|
_stateCommentLessThanSignBang(cp) {
|
|
if (cp === $.HYPHEN_MINUS) {
|
|
this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH;
|
|
}
|
|
else {
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
// Comment less-than sign bang dash state
|
|
//------------------------------------------------------------------
|
|
_stateCommentLessThanSignBangDash(cp) {
|
|
if (cp === $.HYPHEN_MINUS) {
|
|
this.state = State.COMMENT_LESS_THAN_SIGN_BANG_DASH_DASH;
|
|
}
|
|
else {
|
|
this.state = State.COMMENT_END_DASH;
|
|
this._stateCommentEndDash(cp);
|
|
}
|
|
}
|
|
// Comment less-than sign bang dash dash state
|
|
//------------------------------------------------------------------
|
|
_stateCommentLessThanSignBangDashDash(cp) {
|
|
if (cp !== $.GREATER_THAN_SIGN && cp !== $.EOF) {
|
|
this._err(ERR.nestedComment);
|
|
}
|
|
this.state = State.COMMENT_END;
|
|
this._stateCommentEnd(cp);
|
|
}
|
|
// Comment end dash state
|
|
//------------------------------------------------------------------
|
|
_stateCommentEndDash(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
this.state = State.COMMENT_END;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInComment);
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += '-';
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment end state
|
|
//------------------------------------------------------------------
|
|
_stateCommentEnd(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentComment(token);
|
|
break;
|
|
}
|
|
case $.EXCLAMATION_MARK: {
|
|
this.state = State.COMMENT_END_BANG;
|
|
break;
|
|
}
|
|
case $.HYPHEN_MINUS: {
|
|
token.data += '-';
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInComment);
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += '--';
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// Comment end bang state
|
|
//------------------------------------------------------------------
|
|
_stateCommentEndBang(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.HYPHEN_MINUS: {
|
|
token.data += '--!';
|
|
this.state = State.COMMENT_END_DASH;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.incorrectlyClosedComment);
|
|
this.state = State.DATA;
|
|
this.emitCurrentComment(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInComment);
|
|
this.emitCurrentComment(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.data += '--!';
|
|
this.state = State.COMMENT;
|
|
this._stateComment(cp);
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE state
|
|
//------------------------------------------------------------------
|
|
_stateDoctype(cp) {
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.BEFORE_DOCTYPE_NAME;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.BEFORE_DOCTYPE_NAME;
|
|
this._stateBeforeDoctypeName(cp);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
this._createDoctypeToken(null);
|
|
const token = this.currentToken;
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingWhitespaceBeforeDoctypeName);
|
|
this.state = State.BEFORE_DOCTYPE_NAME;
|
|
this._stateBeforeDoctypeName(cp);
|
|
}
|
|
}
|
|
}
|
|
// Before DOCTYPE name state
|
|
//------------------------------------------------------------------
|
|
_stateBeforeDoctypeName(cp) {
|
|
if (isAsciiUpper(cp)) {
|
|
this._createDoctypeToken(String.fromCharCode(toAsciiLower(cp)));
|
|
this.state = State.DOCTYPE_NAME;
|
|
}
|
|
else
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
this._createDoctypeToken(REPLACEMENT_CHARACTER);
|
|
this.state = State.DOCTYPE_NAME;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingDoctypeName);
|
|
this._createDoctypeToken(null);
|
|
const token = this.currentToken;
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
this._createDoctypeToken(null);
|
|
const token = this.currentToken;
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._createDoctypeToken(String.fromCodePoint(cp));
|
|
this.state = State.DOCTYPE_NAME;
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE name state
|
|
//------------------------------------------------------------------
|
|
_stateDoctypeName(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.AFTER_DOCTYPE_NAME;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.name += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.name += String.fromCodePoint(isAsciiUpper(cp) ? toAsciiLower(cp) : cp);
|
|
}
|
|
}
|
|
}
|
|
// After DOCTYPE name state
|
|
//------------------------------------------------------------------
|
|
_stateAfterDoctypeName(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
if (this._consumeSequenceIfMatch($$.PUBLIC, false)) {
|
|
this.state = State.AFTER_DOCTYPE_PUBLIC_KEYWORD;
|
|
}
|
|
else if (this._consumeSequenceIfMatch($$.SYSTEM, false)) {
|
|
this.state = State.AFTER_DOCTYPE_SYSTEM_KEYWORD;
|
|
}
|
|
//NOTE: sequence lookup can be abrupted by hibernation. In that case lookup
|
|
//results are no longer valid and we will need to start over.
|
|
else if (!this._ensureHibernation()) {
|
|
this._err(ERR.invalidCharacterSequenceAfterDoctypeName);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// After DOCTYPE public keyword state
|
|
//------------------------------------------------------------------
|
|
_stateAfterDoctypePublicKeyword(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.BEFORE_DOCTYPE_PUBLIC_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
|
|
token.publicId = '';
|
|
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
this._err(ERR.missingWhitespaceAfterDoctypePublicKeyword);
|
|
token.publicId = '';
|
|
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// Before DOCTYPE public identifier state
|
|
//------------------------------------------------------------------
|
|
_stateBeforeDoctypePublicIdentifier(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
token.publicId = '';
|
|
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
token.publicId = '';
|
|
this.state = State.DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE public identifier (double-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateDoctypePublicIdentifierDoubleQuoted(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.QUOTATION_MARK: {
|
|
this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.publicId += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.publicId += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE public identifier (single-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateDoctypePublicIdentifierSingleQuoted(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.APOSTROPHE: {
|
|
this.state = State.AFTER_DOCTYPE_PUBLIC_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.publicId += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptDoctypePublicIdentifier);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.publicId += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// After DOCTYPE public identifier state
|
|
//------------------------------------------------------------------
|
|
_stateAfterDoctypePublicIdentifier(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
this._err(ERR.missingWhitespaceBetweenDoctypePublicAndSystemIdentifiers);
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// Between DOCTYPE public and system identifiers state
|
|
//------------------------------------------------------------------
|
|
_stateBetweenDoctypePublicAndSystemIdentifiers(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// After DOCTYPE system keyword state
|
|
//------------------------------------------------------------------
|
|
_stateAfterDoctypeSystemKeyword(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
this.state = State.BEFORE_DOCTYPE_SYSTEM_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
this._err(ERR.missingWhitespaceAfterDoctypeSystemKeyword);
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// Before DOCTYPE system identifier state
|
|
//------------------------------------------------------------------
|
|
_stateBeforeDoctypeSystemIdentifier(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.QUOTATION_MARK: {
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.APOSTROPHE: {
|
|
token.systemId = '';
|
|
this.state = State.DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.missingDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.DATA;
|
|
this.emitCurrentDoctype(token);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.missingQuoteBeforeDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE system identifier (double-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateDoctypeSystemIdentifierDoubleQuoted(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.QUOTATION_MARK: {
|
|
this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.systemId += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.systemId += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// DOCTYPE system identifier (single-quoted) state
|
|
//------------------------------------------------------------------
|
|
_stateDoctypeSystemIdentifierSingleQuoted(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.APOSTROPHE: {
|
|
this.state = State.AFTER_DOCTYPE_SYSTEM_IDENTIFIER;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
token.systemId += REPLACEMENT_CHARACTER;
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this._err(ERR.abruptDoctypeSystemIdentifier);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
token.systemId += String.fromCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// After DOCTYPE system identifier state
|
|
//------------------------------------------------------------------
|
|
_stateAfterDoctypeSystemIdentifier(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.SPACE:
|
|
case $.LINE_FEED:
|
|
case $.TABULATION:
|
|
case $.FORM_FEED: {
|
|
// Ignore whitespace
|
|
break;
|
|
}
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInDoctype);
|
|
token.forceQuirks = true;
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._err(ERR.unexpectedCharacterAfterDoctypeSystemIdentifier);
|
|
this.state = State.BOGUS_DOCTYPE;
|
|
this._stateBogusDoctype(cp);
|
|
}
|
|
}
|
|
}
|
|
// Bogus DOCTYPE state
|
|
//------------------------------------------------------------------
|
|
_stateBogusDoctype(cp) {
|
|
const token = this.currentToken;
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.emitCurrentDoctype(token);
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.NULL: {
|
|
this._err(ERR.unexpectedNullCharacter);
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this.emitCurrentDoctype(token);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default:
|
|
// Do nothing
|
|
}
|
|
}
|
|
// CDATA section state
|
|
//------------------------------------------------------------------
|
|
_stateCdataSection(cp) {
|
|
switch (cp) {
|
|
case $.RIGHT_SQUARE_BRACKET: {
|
|
this.state = State.CDATA_SECTION_BRACKET;
|
|
break;
|
|
}
|
|
case $.EOF: {
|
|
this._err(ERR.eofInCdata);
|
|
this._emitEOFToken();
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitCodePoint(cp);
|
|
}
|
|
}
|
|
}
|
|
// CDATA section bracket state
|
|
//------------------------------------------------------------------
|
|
_stateCdataSectionBracket(cp) {
|
|
if (cp === $.RIGHT_SQUARE_BRACKET) {
|
|
this.state = State.CDATA_SECTION_END;
|
|
}
|
|
else {
|
|
this._emitChars(']');
|
|
this.state = State.CDATA_SECTION;
|
|
this._stateCdataSection(cp);
|
|
}
|
|
}
|
|
// CDATA section end state
|
|
//------------------------------------------------------------------
|
|
_stateCdataSectionEnd(cp) {
|
|
switch (cp) {
|
|
case $.GREATER_THAN_SIGN: {
|
|
this.state = State.DATA;
|
|
break;
|
|
}
|
|
case $.RIGHT_SQUARE_BRACKET: {
|
|
this._emitChars(']');
|
|
break;
|
|
}
|
|
default: {
|
|
this._emitChars(']]');
|
|
this.state = State.CDATA_SECTION;
|
|
this._stateCdataSection(cp);
|
|
}
|
|
}
|
|
}
|
|
// Character reference state
|
|
//------------------------------------------------------------------
|
|
_stateCharacterReference(cp) {
|
|
if (cp === $.NUMBER_SIGN) {
|
|
this.state = State.NUMERIC_CHARACTER_REFERENCE;
|
|
}
|
|
else if (isAsciiAlphaNumeric(cp)) {
|
|
this.state = State.NAMED_CHARACTER_REFERENCE;
|
|
this._stateNamedCharacterReference(cp);
|
|
}
|
|
else {
|
|
this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);
|
|
this._reconsumeInState(this.returnState, cp);
|
|
}
|
|
}
|
|
// Named character reference state
|
|
//------------------------------------------------------------------
|
|
_stateNamedCharacterReference(cp) {
|
|
const matchResult = this._matchNamedCharacterReference(cp);
|
|
//NOTE: Matching can be abrupted by hibernation. In that case, match
|
|
//results are no longer valid and we will need to start over.
|
|
if (this._ensureHibernation()) {
|
|
// Stay in the state, try again.
|
|
}
|
|
else if (matchResult) {
|
|
for (let i = 0; i < matchResult.length; i++) {
|
|
this._flushCodePointConsumedAsCharacterReference(matchResult[i]);
|
|
}
|
|
this.state = this.returnState;
|
|
}
|
|
else {
|
|
this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);
|
|
this.state = State.AMBIGUOUS_AMPERSAND;
|
|
}
|
|
}
|
|
// Ambiguos ampersand state
|
|
//------------------------------------------------------------------
|
|
_stateAmbiguousAmpersand(cp) {
|
|
if (isAsciiAlphaNumeric(cp)) {
|
|
this._flushCodePointConsumedAsCharacterReference(cp);
|
|
}
|
|
else {
|
|
if (cp === $.SEMICOLON) {
|
|
this._err(ERR.unknownNamedCharacterReference);
|
|
}
|
|
this._reconsumeInState(this.returnState, cp);
|
|
}
|
|
}
|
|
// Numeric character reference state
|
|
//------------------------------------------------------------------
|
|
_stateNumericCharacterReference(cp) {
|
|
this.charRefCode = 0;
|
|
if (cp === $.LATIN_SMALL_X || cp === $.LATIN_CAPITAL_X) {
|
|
this.state = State.HEXADEMICAL_CHARACTER_REFERENCE_START;
|
|
}
|
|
// Inlined decimal character reference start state
|
|
else if (isAsciiDigit(cp)) {
|
|
this.state = State.DECIMAL_CHARACTER_REFERENCE;
|
|
this._stateDecimalCharacterReference(cp);
|
|
}
|
|
else {
|
|
this._err(ERR.absenceOfDigitsInNumericCharacterReference);
|
|
this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);
|
|
this._flushCodePointConsumedAsCharacterReference($.NUMBER_SIGN);
|
|
this._reconsumeInState(this.returnState, cp);
|
|
}
|
|
}
|
|
// Hexademical character reference start state
|
|
//------------------------------------------------------------------
|
|
_stateHexademicalCharacterReferenceStart(cp) {
|
|
if (isAsciiHexDigit(cp)) {
|
|
this.state = State.HEXADEMICAL_CHARACTER_REFERENCE;
|
|
this._stateHexademicalCharacterReference(cp);
|
|
}
|
|
else {
|
|
this._err(ERR.absenceOfDigitsInNumericCharacterReference);
|
|
this._flushCodePointConsumedAsCharacterReference($.AMPERSAND);
|
|
this._flushCodePointConsumedAsCharacterReference($.NUMBER_SIGN);
|
|
this._unconsume(2);
|
|
this.state = this.returnState;
|
|
}
|
|
}
|
|
// Hexademical character reference state
|
|
//------------------------------------------------------------------
|
|
_stateHexademicalCharacterReference(cp) {
|
|
if (isAsciiUpperHexDigit(cp)) {
|
|
this.charRefCode = this.charRefCode * 16 + cp - 0x37;
|
|
}
|
|
else if (isAsciiLowerHexDigit(cp)) {
|
|
this.charRefCode = this.charRefCode * 16 + cp - 0x57;
|
|
}
|
|
else if (isAsciiDigit(cp)) {
|
|
this.charRefCode = this.charRefCode * 16 + cp - 0x30;
|
|
}
|
|
else if (cp === $.SEMICOLON) {
|
|
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
|
|
}
|
|
else {
|
|
this._err(ERR.missingSemicolonAfterCharacterReference);
|
|
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
|
|
this._stateNumericCharacterReferenceEnd(cp);
|
|
}
|
|
}
|
|
// Decimal character reference state
|
|
//------------------------------------------------------------------
|
|
_stateDecimalCharacterReference(cp) {
|
|
if (isAsciiDigit(cp)) {
|
|
this.charRefCode = this.charRefCode * 10 + cp - 0x30;
|
|
}
|
|
else if (cp === $.SEMICOLON) {
|
|
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
|
|
}
|
|
else {
|
|
this._err(ERR.missingSemicolonAfterCharacterReference);
|
|
this.state = State.NUMERIC_CHARACTER_REFERENCE_END;
|
|
this._stateNumericCharacterReferenceEnd(cp);
|
|
}
|
|
}
|
|
// Numeric character reference end state
|
|
//------------------------------------------------------------------
|
|
_stateNumericCharacterReferenceEnd(cp) {
|
|
if (this.charRefCode === $.NULL) {
|
|
this._err(ERR.nullCharacterReference);
|
|
this.charRefCode = $.REPLACEMENT_CHARACTER;
|
|
}
|
|
else if (this.charRefCode > 1114111) {
|
|
this._err(ERR.characterReferenceOutsideUnicodeRange);
|
|
this.charRefCode = $.REPLACEMENT_CHARACTER;
|
|
}
|
|
else if (isSurrogate(this.charRefCode)) {
|
|
this._err(ERR.surrogateCharacterReference);
|
|
this.charRefCode = $.REPLACEMENT_CHARACTER;
|
|
}
|
|
else if (isUndefinedCodePoint(this.charRefCode)) {
|
|
this._err(ERR.noncharacterCharacterReference);
|
|
}
|
|
else if (isControlCodePoint(this.charRefCode) || this.charRefCode === $.CARRIAGE_RETURN) {
|
|
this._err(ERR.controlCharacterReference);
|
|
const replacement = C1_CONTROLS_REFERENCE_REPLACEMENTS.get(this.charRefCode);
|
|
if (replacement !== undefined) {
|
|
this.charRefCode = replacement;
|
|
}
|
|
}
|
|
this._flushCodePointConsumedAsCharacterReference(this.charRefCode);
|
|
this._reconsumeInState(this.returnState, cp);
|
|
}
|
|
}
|
|
//# sourceMappingURL=index.js.map
|