tap
Version:
A Test-Anything-Protocol library for JavaScript
257 lines (205 loc) • 7.15 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _errors = require("../errors");
var _Node2 = _interopRequireDefault(require("./Node"));
var _Range = _interopRequireDefault(require("./Range"));
var QuoteDouble =
/*#__PURE__*/
function (_Node) {
(0, _inherits2.default)(QuoteDouble, _Node);
function QuoteDouble() {
(0, _classCallCheck2.default)(this, QuoteDouble);
return (0, _possibleConstructorReturn2.default)(this, (0, _getPrototypeOf2.default)(QuoteDouble).apply(this, arguments));
}
(0, _createClass2.default)(QuoteDouble, [{
key: "parseCharCode",
value: function parseCharCode(offset, length, errors) {
var src = this.context.src;
var cc = src.substr(offset, length);
var ok = cc.length === length && /^[0-9a-fA-F]+$/.test(cc);
var code = ok ? parseInt(cc, 16) : NaN;
if (isNaN(code)) {
errors.push(new _errors.YAMLSyntaxError(this, "Invalid escape sequence ".concat(src.substr(offset - 2, length + 2))));
return src.substr(offset - 2, length + 2);
}
return String.fromCodePoint(code);
}
/**
* Parses a "double quoted" value from the source
*
* @param {ParseContext} context
* @param {number} start - Index of first character
* @returns {number} - Index of the character after this scalar
*/
}, {
key: "parse",
value: function parse(context, start) {
this.context = context;
var src = context.src;
var offset = QuoteDouble.endOfQuote(src, start + 1);
this.valueRange = new _Range.default(start, offset);
offset = _Node2.default.endOfWhiteSpace(src, offset);
offset = this.parseComment(offset);
return offset;
}
}, {
key: "strValue",
/**
* @returns {string | { str: string, errors: YAMLSyntaxError[] }}
*/
get: function get() {
if (!this.valueRange || !this.context) return null;
var errors = [];
var _this$valueRange = this.valueRange,
start = _this$valueRange.start,
end = _this$valueRange.end;
var _this$context = this.context,
indent = _this$context.indent,
src = _this$context.src;
if (src[end - 1] !== '"') errors.push(new _errors.YAMLSyntaxError(this, 'Missing closing "quote')); // Using String#replace is too painful with escaped newlines preceded by
// escaped backslashes; also, this should be faster.
var str = '';
for (var i = start + 1; i < end - 1; ++i) {
var ch = src[i];
if (ch === '\n') {
if (_Node2.default.atDocumentBoundary(src, i + 1)) errors.push(new _errors.YAMLSemanticError(this, 'Document boundary indicators are not allowed within string values'));
var _Node$foldNewline = _Node2.default.foldNewline(src, i, indent),
fold = _Node$foldNewline.fold,
offset = _Node$foldNewline.offset,
error = _Node$foldNewline.error;
str += fold;
i = offset;
if (error) errors.push(new _errors.YAMLSemanticError(this, 'Multi-line double-quoted string needs to be sufficiently indented'));
} else if (ch === '\\') {
i += 1;
switch (src[i]) {
case '0':
str += '\0';
break;
// null character
case 'a':
str += '\x07';
break;
// bell character
case 'b':
str += '\b';
break;
// backspace
case 'e':
str += '\x1b';
break;
// escape character
case 'f':
str += '\f';
break;
// form feed
case 'n':
str += '\n';
break;
// line feed
case 'r':
str += '\r';
break;
// carriage return
case 't':
str += '\t';
break;
// horizontal tab
case 'v':
str += '\v';
break;
// vertical tab
case 'N':
str += "\x85";
break;
// Unicode next line
case '_':
str += "\xA0";
break;
// Unicode non-breaking space
case 'L':
str += "\u2028";
break;
// Unicode line separator
case 'P':
str += "\u2029";
break;
// Unicode paragraph separator
case ' ':
str += ' ';
break;
case '"':
str += '"';
break;
case '/':
str += '/';
break;
case '\\':
str += '\\';
break;
case '\t':
str += '\t';
break;
case 'x':
str += this.parseCharCode(i + 1, 2, errors);
i += 2;
break;
case 'u':
str += this.parseCharCode(i + 1, 4, errors);
i += 4;
break;
case 'U':
str += this.parseCharCode(i + 1, 8, errors);
i += 8;
break;
case '\n':
// skip escaped newlines, but still trim the following line
while (src[i + 1] === ' ' || src[i + 1] === '\t') {
i += 1;
}
break;
default:
errors.push(new _errors.YAMLSyntaxError(this, "Invalid escape sequence ".concat(src.substr(i - 1, 2))));
str += '\\' + src[i];
}
} else if (ch === ' ' || ch === '\t') {
// trim trailing whitespace
var wsStart = i;
var next = src[i + 1];
while (next === ' ' || next === '\t') {
i += 1;
next = src[i + 1];
}
if (next !== '\n') str += i > wsStart ? src.slice(wsStart, i + 1) : ch;
} else {
str += ch;
}
}
return errors.length > 0 ? {
errors: errors,
str: str
} : str;
}
}], [{
key: "endOfQuote",
value: function endOfQuote(src, offset) {
var ch = src[offset];
while (ch && ch !== '"') {
offset += ch === '\\' ? 2 : 1;
ch = src[offset];
}
return offset + 1;
}
}]);
return QuoteDouble;
}(_Node2.default);
exports.default = QuoteDouble;