128 lines
4.1 KiB
JavaScript
128 lines
4.1 KiB
JavaScript
|
"use strict";
|
||
|
|
Object.defineProperty(exports, "__esModule", { value: true });
|
||
|
|
exports.predefinedEntities = exports.endCharData = exports.attValueNormalizedWhitespace = exports.attValueCharSingleQuote = exports.attValueCharDoubleQuote = void 0;
|
||
|
|
exports.isNameChar = isNameChar;
|
||
|
|
exports.isNameStartChar = isNameStartChar;
|
||
|
|
exports.isReferenceChar = isReferenceChar;
|
||
|
|
exports.isWhitespace = isWhitespace;
|
||
|
|
exports.isXmlCodePoint = isXmlCodePoint;
|
||
|
|
/**
|
||
|
|
* Regular expression that matches one or more `AttValue` characters in a
|
||
|
|
* double-quoted attribute value.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#NT-AttValue
|
||
|
|
*/
|
||
|
|
exports.attValueCharDoubleQuote = /["&<]/;
|
||
|
|
/**
|
||
|
|
* Regular expression that matches one or more `AttValue` characters in a
|
||
|
|
* single-quoted attribute value.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#NT-AttValue
|
||
|
|
*/
|
||
|
|
exports.attValueCharSingleQuote = /['&<]/;
|
||
|
|
/**
|
||
|
|
* Regular expression that matches a whitespace character that should be
|
||
|
|
* normalized to a space character in an attribute value.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#AVNormalize
|
||
|
|
*/
|
||
|
|
exports.attValueNormalizedWhitespace = /\r\n|[\n\r\t]/g;
|
||
|
|
/**
|
||
|
|
* Regular expression that matches one or more characters that signal the end of
|
||
|
|
* XML `CharData` content.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#dt-chardata
|
||
|
|
*/
|
||
|
|
exports.endCharData = /<|&|]]>/;
|
||
|
|
/**
|
||
|
|
* Mapping of predefined entity names to their replacement values.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#sec-predefined-ent
|
||
|
|
*/
|
||
|
|
exports.predefinedEntities = Object.freeze(Object.assign(Object.create(null), {
|
||
|
|
amp: '&',
|
||
|
|
apos: "'",
|
||
|
|
gt: '>',
|
||
|
|
lt: '<',
|
||
|
|
quot: '"',
|
||
|
|
}));
|
||
|
|
/**
|
||
|
|
* Returns `true` if _char_ is an XML `NameChar`, `false` if it isn't.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#NT-NameChar
|
||
|
|
*/
|
||
|
|
function isNameChar(char) {
|
||
|
|
let cp = char.codePointAt(0);
|
||
|
|
// Including the most common NameStartChars here improves performance
|
||
|
|
// slightly.
|
||
|
|
return (cp >= 0x61 && cp <= 0x7A) // a-z
|
||
|
|
|| (cp >= 0x41 && cp <= 0x5A) // A-Z
|
||
|
|
|| (cp >= 0x30 && cp <= 0x39) // 0-9
|
||
|
|
|| cp === 0x2D // -
|
||
|
|
|| cp === 0x2E // .
|
||
|
|
|| cp === 0xB7
|
||
|
|
|| (cp >= 0x300 && cp <= 0x36F)
|
||
|
|
|| cp === 0x203F
|
||
|
|
|| cp === 0x2040
|
||
|
|
|| isNameStartChar(char, cp);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns `true` if _char_ is an XML `NameStartChar`, `false` if it isn't.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#NT-NameStartChar
|
||
|
|
*/
|
||
|
|
function isNameStartChar(char, cp = char.codePointAt(0)) {
|
||
|
|
return (cp >= 0x61 && cp <= 0x7A) // a-z
|
||
|
|
|| (cp >= 0x41 && cp <= 0x5A) // A-Z
|
||
|
|
|| cp === 0x3A // :
|
||
|
|
|| cp === 0x5F // _
|
||
|
|
|| (cp >= 0xC0 && cp <= 0xD6)
|
||
|
|
|| (cp >= 0xD8 && cp <= 0xF6)
|
||
|
|
|| (cp >= 0xF8 && cp <= 0x2FF)
|
||
|
|
|| (cp >= 0x370 && cp <= 0x37D)
|
||
|
|
|| (cp >= 0x37F && cp <= 0x1FFF)
|
||
|
|
|| cp === 0x200C
|
||
|
|
|| cp === 0x200D
|
||
|
|
|| (cp >= 0x2070 && cp <= 0x218F)
|
||
|
|
|| (cp >= 0x2C00 && cp <= 0x2FEF)
|
||
|
|
|| (cp >= 0x3001 && cp <= 0xD7FF)
|
||
|
|
|| (cp >= 0xF900 && cp <= 0xFDCF)
|
||
|
|
|| (cp >= 0xFDF0 && cp <= 0xFFFD)
|
||
|
|
|| (cp >= 0x10000 && cp <= 0xEFFFF);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns `true` if _char_ is a valid reference character (which may appear
|
||
|
|
* between `&` and `;` in a reference), `false` otherwise.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#sec-references
|
||
|
|
*/
|
||
|
|
function isReferenceChar(char) {
|
||
|
|
return char === '#' || isNameChar(char);
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns `true` if _char_ is an XML whitespace character, `false` otherwise.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#white
|
||
|
|
*/
|
||
|
|
function isWhitespace(char) {
|
||
|
|
let cp = char.codePointAt(0);
|
||
|
|
return cp === 0x20
|
||
|
|
|| cp === 0x9
|
||
|
|
|| cp === 0xA
|
||
|
|
|| cp === 0xD;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* Returns `true` if _codepoint_ is a valid XML `Char` code point, `false`
|
||
|
|
* otherwise.
|
||
|
|
*
|
||
|
|
* @see https://www.w3.org/TR/2008/REC-xml-20081126/#NT-Char
|
||
|
|
*/
|
||
|
|
function isXmlCodePoint(cp) {
|
||
|
|
return (cp >= 0x20 && cp <= 0xD7FF)
|
||
|
|
|| cp === 0xA
|
||
|
|
|| cp === 0x9
|
||
|
|
|| cp === 0xD
|
||
|
|
|| (cp >= 0xE000 && cp <= 0xFFFD)
|
||
|
|
|| (cp >= 0x10000 && cp <= 0x10FFFF);
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=syntax.js.map
|
