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Diffstat (limited to 'vanilla/node_modules/css-tree/cjs/tokenizer/index.cjs')
| -rw-r--r-- | vanilla/node_modules/css-tree/cjs/tokenizer/index.cjs | 554 |
1 files changed, 0 insertions, 554 deletions
diff --git a/vanilla/node_modules/css-tree/cjs/tokenizer/index.cjs b/vanilla/node_modules/css-tree/cjs/tokenizer/index.cjs deleted file mode 100644 index bfb73e5..0000000 --- a/vanilla/node_modules/css-tree/cjs/tokenizer/index.cjs +++ /dev/null @@ -1,554 +0,0 @@ -'use strict'; - -const types = require('./types.cjs'); -const charCodeDefinitions = require('./char-code-definitions.cjs'); -const utils = require('./utils.cjs'); -const names = require('./names.cjs'); -const OffsetToLocation = require('./OffsetToLocation.cjs'); -const TokenStream = require('./TokenStream.cjs'); - -function tokenize(source, onToken) { - function getCharCode(offset) { - return offset < sourceLength ? source.charCodeAt(offset) : 0; - } - - // § 4.3.3. Consume a numeric token - function consumeNumericToken() { - // Consume a number and let number be the result. - offset = utils.consumeNumber(source, offset); - - // If the next 3 input code points would start an identifier, then: - if (charCodeDefinitions.isIdentifierStart(getCharCode(offset), getCharCode(offset + 1), getCharCode(offset + 2))) { - // Create a <dimension-token> with the same value and type flag as number, and a unit set initially to the empty string. - // Consume a name. Set the <dimension-token>’s unit to the returned value. - // Return the <dimension-token>. - type = types.Dimension; - offset = utils.consumeName(source, offset); - return; - } - - // Otherwise, if the next input code point is U+0025 PERCENTAGE SIGN (%), consume it. - if (getCharCode(offset) === 0x0025) { - // Create a <percentage-token> with the same value as number, and return it. - type = types.Percentage; - offset++; - return; - } - - // Otherwise, create a <number-token> with the same value and type flag as number, and return it. - type = types.Number; - } - - // § 4.3.4. Consume an ident-like token - function consumeIdentLikeToken() { - const nameStartOffset = offset; - - // Consume a name, and let string be the result. - offset = utils.consumeName(source, offset); - - // If string’s value is an ASCII case-insensitive match for "url", - // and the next input code point is U+0028 LEFT PARENTHESIS ((), consume it. - if (utils.cmpStr(source, nameStartOffset, offset, 'url') && getCharCode(offset) === 0x0028) { - // While the next two input code points are whitespace, consume the next input code point. - offset = utils.findWhiteSpaceEnd(source, offset + 1); - - // If the next one or two input code points are U+0022 QUOTATION MARK ("), U+0027 APOSTROPHE ('), - // or whitespace followed by U+0022 QUOTATION MARK (") or U+0027 APOSTROPHE ('), - // then create a <function-token> with its value set to string and return it. - if (getCharCode(offset) === 0x0022 || - getCharCode(offset) === 0x0027) { - type = types.Function; - offset = nameStartOffset + 4; - return; - } - - // Otherwise, consume a url token, and return it. - consumeUrlToken(); - return; - } - - // Otherwise, if the next input code point is U+0028 LEFT PARENTHESIS ((), consume it. - // Create a <function-token> with its value set to string and return it. - if (getCharCode(offset) === 0x0028) { - type = types.Function; - offset++; - return; - } - - // Otherwise, create an <ident-token> with its value set to string and return it. - type = types.Ident; - } - - // § 4.3.5. Consume a string token - function consumeStringToken(endingCodePoint) { - // This algorithm may be called with an ending code point, which denotes the code point - // that ends the string. If an ending code point is not specified, - // the current input code point is used. - if (!endingCodePoint) { - endingCodePoint = getCharCode(offset++); - } - - // Initially create a <string-token> with its value set to the empty string. - type = types.String; - - // Repeatedly consume the next input code point from the stream: - for (; offset < source.length; offset++) { - const code = source.charCodeAt(offset); - - switch (charCodeDefinitions.charCodeCategory(code)) { - // ending code point - case endingCodePoint: - // Return the <string-token>. - offset++; - return; - - // EOF - // case EofCategory: - // This is a parse error. Return the <string-token>. - // return; - - // newline - case charCodeDefinitions.WhiteSpaceCategory: - if (charCodeDefinitions.isNewline(code)) { - // This is a parse error. Reconsume the current input code point, - // create a <bad-string-token>, and return it. - offset += utils.getNewlineLength(source, offset, code); - type = types.BadString; - return; - } - break; - - // U+005C REVERSE SOLIDUS (\) - case 0x005C: - // If the next input code point is EOF, do nothing. - if (offset === source.length - 1) { - break; - } - - const nextCode = getCharCode(offset + 1); - - // Otherwise, if the next input code point is a newline, consume it. - if (charCodeDefinitions.isNewline(nextCode)) { - offset += utils.getNewlineLength(source, offset + 1, nextCode); - } else if (charCodeDefinitions.isValidEscape(code, nextCode)) { - // Otherwise, (the stream starts with a valid escape) consume - // an escaped code point and append the returned code point to - // the <string-token>’s value. - offset = utils.consumeEscaped(source, offset) - 1; - } - break; - - // anything else - // Append the current input code point to the <string-token>’s value. - } - } - } - - // § 4.3.6. Consume a url token - // Note: This algorithm assumes that the initial "url(" has already been consumed. - // This algorithm also assumes that it’s being called to consume an "unquoted" value, like url(foo). - // A quoted value, like url("foo"), is parsed as a <function-token>. Consume an ident-like token - // automatically handles this distinction; this algorithm shouldn’t be called directly otherwise. - function consumeUrlToken() { - // Initially create a <url-token> with its value set to the empty string. - type = types.Url; - - // Consume as much whitespace as possible. - offset = utils.findWhiteSpaceEnd(source, offset); - - // Repeatedly consume the next input code point from the stream: - for (; offset < source.length; offset++) { - const code = source.charCodeAt(offset); - - switch (charCodeDefinitions.charCodeCategory(code)) { - // U+0029 RIGHT PARENTHESIS ()) - case 0x0029: - // Return the <url-token>. - offset++; - return; - - // EOF - // case EofCategory: - // This is a parse error. Return the <url-token>. - // return; - - // whitespace - case charCodeDefinitions.WhiteSpaceCategory: - // Consume as much whitespace as possible. - offset = utils.findWhiteSpaceEnd(source, offset); - - // If the next input code point is U+0029 RIGHT PARENTHESIS ()) or EOF, - // consume it and return the <url-token> - // (if EOF was encountered, this is a parse error); - if (getCharCode(offset) === 0x0029 || offset >= source.length) { - if (offset < source.length) { - offset++; - } - return; - } - - // otherwise, consume the remnants of a bad url, create a <bad-url-token>, - // and return it. - offset = utils.consumeBadUrlRemnants(source, offset); - type = types.BadUrl; - return; - - // U+0022 QUOTATION MARK (") - // U+0027 APOSTROPHE (') - // U+0028 LEFT PARENTHESIS (() - // non-printable code point - case 0x0022: - case 0x0027: - case 0x0028: - case charCodeDefinitions.NonPrintableCategory: - // This is a parse error. Consume the remnants of a bad url, - // create a <bad-url-token>, and return it. - offset = utils.consumeBadUrlRemnants(source, offset); - type = types.BadUrl; - return; - - // U+005C REVERSE SOLIDUS (\) - case 0x005C: - // If the stream starts with a valid escape, consume an escaped code point and - // append the returned code point to the <url-token>’s value. - if (charCodeDefinitions.isValidEscape(code, getCharCode(offset + 1))) { - offset = utils.consumeEscaped(source, offset) - 1; - break; - } - - // Otherwise, this is a parse error. Consume the remnants of a bad url, - // create a <bad-url-token>, and return it. - offset = utils.consumeBadUrlRemnants(source, offset); - type = types.BadUrl; - return; - - // anything else - // Append the current input code point to the <url-token>’s value. - } - } - } - - // ensure source is a string - source = String(source || ''); - - const sourceLength = source.length; - let start = charCodeDefinitions.isBOM(getCharCode(0)); - let offset = start; - let type; - - // https://drafts.csswg.org/css-syntax-3/#consume-token - // § 4.3.1. Consume a token - while (offset < sourceLength) { - const code = source.charCodeAt(offset); - - switch (charCodeDefinitions.charCodeCategory(code)) { - // whitespace - case charCodeDefinitions.WhiteSpaceCategory: - // Consume as much whitespace as possible. Return a <whitespace-token>. - type = types.WhiteSpace; - offset = utils.findWhiteSpaceEnd(source, offset + 1); - break; - - // U+0022 QUOTATION MARK (") - case 0x0022: - // Consume a string token and return it. - consumeStringToken(); - break; - - // U+0023 NUMBER SIGN (#) - case 0x0023: - // If the next input code point is a name code point or the next two input code points are a valid escape, then: - if (charCodeDefinitions.isName(getCharCode(offset + 1)) || charCodeDefinitions.isValidEscape(getCharCode(offset + 1), getCharCode(offset + 2))) { - // Create a <hash-token>. - type = types.Hash; - - // If the next 3 input code points would start an identifier, set the <hash-token>’s type flag to "id". - // if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) { - // // TODO: set id flag - // } - - // Consume a name, and set the <hash-token>’s value to the returned string. - offset = utils.consumeName(source, offset + 1); - - // Return the <hash-token>. - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - - break; - - // U+0027 APOSTROPHE (') - case 0x0027: - // Consume a string token and return it. - consumeStringToken(); - break; - - // U+0028 LEFT PARENTHESIS (() - case 0x0028: - // Return a <(-token>. - type = types.LeftParenthesis; - offset++; - break; - - // U+0029 RIGHT PARENTHESIS ()) - case 0x0029: - // Return a <)-token>. - type = types.RightParenthesis; - offset++; - break; - - // U+002B PLUS SIGN (+) - case 0x002B: - // If the input stream starts with a number, ... - if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) { - // ... reconsume the current input code point, consume a numeric token, and return it. - consumeNumericToken(); - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - break; - - // U+002C COMMA (,) - case 0x002C: - // Return a <comma-token>. - type = types.Comma; - offset++; - break; - - // U+002D HYPHEN-MINUS (-) - case 0x002D: - // If the input stream starts with a number, reconsume the current input code point, consume a numeric token, and return it. - if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) { - consumeNumericToken(); - } else { - // Otherwise, if the next 2 input code points are U+002D HYPHEN-MINUS U+003E GREATER-THAN SIGN (->), consume them and return a <CDC-token>. - if (getCharCode(offset + 1) === 0x002D && - getCharCode(offset + 2) === 0x003E) { - type = types.CDC; - offset = offset + 3; - } else { - // Otherwise, if the input stream starts with an identifier, ... - if (charCodeDefinitions.isIdentifierStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) { - // ... reconsume the current input code point, consume an ident-like token, and return it. - consumeIdentLikeToken(); - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - } - } - break; - - // U+002E FULL STOP (.) - case 0x002E: - // If the input stream starts with a number, ... - if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) { - // ... reconsume the current input code point, consume a numeric token, and return it. - consumeNumericToken(); - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - - break; - - // U+002F SOLIDUS (/) - case 0x002F: - // If the next two input code point are U+002F SOLIDUS (/) followed by a U+002A ASTERISK (*), - if (getCharCode(offset + 1) === 0x002A) { - // ... consume them and all following code points up to and including the first U+002A ASTERISK (*) - // followed by a U+002F SOLIDUS (/), or up to an EOF code point. - type = types.Comment; - offset = source.indexOf('*/', offset + 2); - offset = offset === -1 ? source.length : offset + 2; - } else { - type = types.Delim; - offset++; - } - break; - - // U+003A COLON (:) - case 0x003A: - // Return a <colon-token>. - type = types.Colon; - offset++; - break; - - // U+003B SEMICOLON (;) - case 0x003B: - // Return a <semicolon-token>. - type = types.Semicolon; - offset++; - break; - - // U+003C LESS-THAN SIGN (<) - case 0x003C: - // If the next 3 input code points are U+0021 EXCLAMATION MARK U+002D HYPHEN-MINUS U+002D HYPHEN-MINUS (!--), ... - if (getCharCode(offset + 1) === 0x0021 && - getCharCode(offset + 2) === 0x002D && - getCharCode(offset + 3) === 0x002D) { - // ... consume them and return a <CDO-token>. - type = types.CDO; - offset = offset + 4; - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - - break; - - // U+0040 COMMERCIAL AT (@) - case 0x0040: - // If the next 3 input code points would start an identifier, ... - if (charCodeDefinitions.isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) { - // ... consume a name, create an <at-keyword-token> with its value set to the returned value, and return it. - type = types.AtKeyword; - offset = utils.consumeName(source, offset + 1); - } else { - // Otherwise, return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - - break; - - // U+005B LEFT SQUARE BRACKET ([) - case 0x005B: - // Return a <[-token>. - type = types.LeftSquareBracket; - offset++; - break; - - // U+005C REVERSE SOLIDUS (\) - case 0x005C: - // If the input stream starts with a valid escape, ... - if (charCodeDefinitions.isValidEscape(code, getCharCode(offset + 1))) { - // ... reconsume the current input code point, consume an ident-like token, and return it. - consumeIdentLikeToken(); - } else { - // Otherwise, this is a parse error. Return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - break; - - // U+005D RIGHT SQUARE BRACKET (]) - case 0x005D: - // Return a <]-token>. - type = types.RightSquareBracket; - offset++; - break; - - // U+007B LEFT CURLY BRACKET ({) - case 0x007B: - // Return a <{-token>. - type = types.LeftCurlyBracket; - offset++; - break; - - // U+007D RIGHT CURLY BRACKET (}) - case 0x007D: - // Return a <}-token>. - type = types.RightCurlyBracket; - offset++; - break; - - // digit - case charCodeDefinitions.DigitCategory: - // Reconsume the current input code point, consume a numeric token, and return it. - consumeNumericToken(); - break; - - // name-start code point - case charCodeDefinitions.NameStartCategory: - // Reconsume the current input code point, consume an ident-like token, and return it. - consumeIdentLikeToken(); - break; - - // EOF - // case EofCategory: - // Return an <EOF-token>. - // break; - - // anything else - default: - // Return a <delim-token> with its value set to the current input code point. - type = types.Delim; - offset++; - } - - // put token to stream - onToken(type, start, start = offset); - } -} - -exports.AtKeyword = types.AtKeyword; -exports.BadString = types.BadString; -exports.BadUrl = types.BadUrl; -exports.CDC = types.CDC; -exports.CDO = types.CDO; -exports.Colon = types.Colon; -exports.Comma = types.Comma; -exports.Comment = types.Comment; -exports.Delim = types.Delim; -exports.Dimension = types.Dimension; -exports.EOF = types.EOF; -exports.Function = types.Function; -exports.Hash = types.Hash; -exports.Ident = types.Ident; -exports.LeftCurlyBracket = types.LeftCurlyBracket; -exports.LeftParenthesis = types.LeftParenthesis; -exports.LeftSquareBracket = types.LeftSquareBracket; -exports.Number = types.Number; -exports.Percentage = types.Percentage; -exports.RightCurlyBracket = types.RightCurlyBracket; -exports.RightParenthesis = types.RightParenthesis; -exports.RightSquareBracket = types.RightSquareBracket; -exports.Semicolon = types.Semicolon; -exports.String = types.String; -exports.Url = types.Url; -exports.WhiteSpace = types.WhiteSpace; -exports.tokenTypes = types; -exports.DigitCategory = charCodeDefinitions.DigitCategory; -exports.EofCategory = charCodeDefinitions.EofCategory; -exports.NameStartCategory = charCodeDefinitions.NameStartCategory; -exports.NonPrintableCategory = charCodeDefinitions.NonPrintableCategory; -exports.WhiteSpaceCategory = charCodeDefinitions.WhiteSpaceCategory; -exports.charCodeCategory = charCodeDefinitions.charCodeCategory; -exports.isBOM = charCodeDefinitions.isBOM; -exports.isDigit = charCodeDefinitions.isDigit; -exports.isHexDigit = charCodeDefinitions.isHexDigit; -exports.isIdentifierStart = charCodeDefinitions.isIdentifierStart; -exports.isLetter = charCodeDefinitions.isLetter; -exports.isLowercaseLetter = charCodeDefinitions.isLowercaseLetter; -exports.isName = charCodeDefinitions.isName; -exports.isNameStart = charCodeDefinitions.isNameStart; -exports.isNewline = charCodeDefinitions.isNewline; -exports.isNonAscii = charCodeDefinitions.isNonAscii; -exports.isNonPrintable = charCodeDefinitions.isNonPrintable; -exports.isNumberStart = charCodeDefinitions.isNumberStart; -exports.isUppercaseLetter = charCodeDefinitions.isUppercaseLetter; -exports.isValidEscape = charCodeDefinitions.isValidEscape; -exports.isWhiteSpace = charCodeDefinitions.isWhiteSpace; -exports.cmpChar = utils.cmpChar; -exports.cmpStr = utils.cmpStr; -exports.consumeBadUrlRemnants = utils.consumeBadUrlRemnants; -exports.consumeEscaped = utils.consumeEscaped; -exports.consumeName = utils.consumeName; -exports.consumeNumber = utils.consumeNumber; -exports.decodeEscaped = utils.decodeEscaped; -exports.findDecimalNumberEnd = utils.findDecimalNumberEnd; -exports.findWhiteSpaceEnd = utils.findWhiteSpaceEnd; -exports.findWhiteSpaceStart = utils.findWhiteSpaceStart; -exports.getNewlineLength = utils.getNewlineLength; -exports.tokenNames = names; -exports.OffsetToLocation = OffsetToLocation.OffsetToLocation; -exports.TokenStream = TokenStream.TokenStream; -exports.tokenize = tokenize; |