"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var _a;
Object.defineProperty(exports, "__esModule", { value: true });
exports.unescapeValue = unescapeValue;
var cssesc_1 = __importDefault(require("cssesc"));
var unesc_1 = __importDefault(require("../util/unesc"));
var namespace_1 = __importDefault(require("./namespace"));
var types_1 = require("./types");
var deprecate = require("util-deprecate");
var WRAPPED_IN_QUOTES = /^('|")([^]*)\1$/;
var warnOfDeprecatedValueAssignment = deprecate(function () { }, "Assigning an attribute a value containing characters that might need to be escaped is deprecated. " +
"Call attribute.setValue() instead.");
var warnOfDeprecatedQuotedAssignment = deprecate(function () { }, "Assigning attr.quoted is deprecated and has no effect. Assign to attr.quoteMark instead.");
var warnOfDeprecatedConstructor = deprecate(function () { }, "Constructing an Attribute selector with a value without specifying quoteMark is deprecated. Note: The value should be unescaped now.");
function unescapeValue(value) {
var deprecatedUsage = false;
var quoteMark = null;
var unescaped = value;
var m = unescaped.match(WRAPPED_IN_QUOTES);
if (m) {
quoteMark = m[1];
unescaped = m[2];
}
unescaped = (0, unesc_1.default)(unescaped);
if (unescaped !== value) {
deprecatedUsage = true;
}
return {
deprecatedUsage: deprecatedUsage,
unescaped: unescaped,
quoteMark: quoteMark,
};
}
function handleDeprecatedContructorOpts(opts) {
if (opts.quoteMark !== undefined) {
return opts;
}
if (opts.value === undefined) {
return opts;
}
warnOfDeprecatedConstructor();
var _a = unescapeValue(opts.value), quoteMark = _a.quoteMark, unescaped = _a.unescaped;
if (!opts.raws) {
opts.raws = {};
}
if (opts.raws.value === undefined) {
opts.raws.value = opts.value;
}
opts.value = unescaped;
opts.quoteMark = quoteMark;
return opts;
}
var Attribute = /** @class */ (function (_super) {
__extends(Attribute, _super);
function Attribute(opts) {
if (opts === void 0) { opts = {}; }
var _this = _super.call(this, handleDeprecatedContructorOpts(opts)) || this;
_this.type = types_1.ATTRIBUTE;
_this.raws = _this.raws || {};
Object.defineProperty(_this.raws, "unquoted", {
get: deprecate(function () { return _this.value; }, "attr.raws.unquoted is deprecated. Call attr.value instead."),
set: deprecate(function () { return _this.value; }, "Setting attr.raws.unquoted is deprecated and has no effect. attr.value is unescaped by default now."),
});
_this._constructed = true;
return _this;
}
/**
* Returns the Attribute's value quoted such that it would be legal to use
* in the value of a css file. The original value's quotation setting
* used for stringification is left unchanged. See `setValue(value, options)`
* if you want to control the quote settings of a new value for the attribute.
*
* You can also change the quotation used for the current value by setting quoteMark.
*
* Options:
* * quoteMark {'"' | "'" | null} - Use this value to quote the value. If this
* option is not set, the original value for quoteMark will be used. If
* indeterminate, a double quote is used. The legal values are:
* * `null` - the value will be unquoted and characters will be escaped as necessary.
* * `'` - the value will be quoted with a single quote and single quotes are escaped.
* * `"` - the value will be quoted with a double quote and double quotes are escaped.
* * preferCurrentQuoteMark {boolean} - if true, prefer the source quote mark
* over the quoteMark option value.
* * smart {boolean} - if true, will select a quote mark based on the value
* and the other options specified here. See the `smartQuoteMark()`
* method.
**/
Attribute.prototype.getQuotedValue = function (options) {
if (options === void 0) { options = {}; }
var quoteMark = this._determineQuoteMark(options);
var cssescopts = CSSESC_QUOTE_OPTIONS[quoteMark];
var escaped = (0, cssesc_1.default)(this._value, cssescopts);
return escaped;
};
Attribute.prototype._determineQuoteMark = function (options) {
return options.smart ? this.smartQuoteMark(options) : this.preferredQuoteMark(options);
};
/**
* Set the unescaped value with the specified quotation options. The value
* provided must not include any wrapping quote marks -- those quotes will
* be interpreted as part of the value and escaped accordingly.
*/
Attribute.prototype.setValue = function (value, options) {
if (options === void 0) { options = {}; }
this._value = value;
this._quoteMark = this._determineQuoteMark(options);
this._syncRawValue();
};
/**
* Intelligently select a quoteMark value based on the value's contents. If
* the value is a legal CSS ident, it will not be quoted. Otherwise a quote
* mark will be picked that minimizes the number of escapes.
*
* If there's no clear winner, the quote mark from these options is used,
* then the source quote mark (this is inverted if `preferCurrentQuoteMark` is
* true). If the quoteMark is unspecified, a double quote is used.
*
* @param options This takes the quoteMark and preferCurrentQuoteMark options
* from the quoteValue method.
*/
Attribute.prototype.smartQuoteMark = function (options) {
var v = this.value;
var numSingleQuotes = v.replace(/[^']/g, "").length;
var numDoubleQuotes = v.replace(/[^"]/g, "").length;
if (numSingleQuotes + numDoubleQuotes === 0) {
var escaped = (0, cssesc_1.default)(v, { isIdentifier: true });
if (escaped === v) {
return Attribute.NO_QUOTE;
}
else {
var pref = this.preferredQuoteMark(options);
if (pref === Attribute.NO_QUOTE) {
// pick a quote mark that isn't none and see if it's smaller
var quote = this.quoteMark || options.quoteMark || Attribute.DOUBLE_QUOTE;
var opts = CSSESC_QUOTE_OPTIONS[quote];
var quoteValue = (0, cssesc_1.default)(v, opts);
if (quoteValue.length < escaped.length) {
return quote;
}
}
return pref;
}
}
else if (numDoubleQuotes === numSingleQuotes) {
return this.preferredQuoteMark(options);
}
else if (numDoubleQuotes < numSingleQuotes) {
return Attribute.DOUBLE_QUOTE;
}
else {
return Attribute.SINGLE_QUOTE;
}
};
/**
* Selects the preferred quote mark based on the options and the current quote mark value.
* If you want the quote mark to depend on the attribute value, call `smartQuoteMark(opts)`
* instead.
*/
Attribute.prototype.preferredQuoteMark = function (options) {
var quoteMark = options.preferCurrentQuoteMark ? this.quoteMark : options.quoteMark;
if (quoteMark === undefined) {
quoteMark = options.preferCurrentQuoteMark ? options.quoteMark : this.quoteMark;
}
if (quoteMark === undefined) {
quoteMark = Attribute.DOUBLE_QUOTE;
}
return quoteMark;
};
Object.defineProperty(Attribute.prototype, "quoted", {
get: function () {
var qm = this.quoteMark;
return qm === "'" || qm === '"';
},
set: function (value) {
warnOfDeprecatedQuotedAssignment();
},
enumerable: false,
configurable: true
});
Object.defineProperty(Attribute.prototype, "quoteMark", {
/**
* returns a single (`'`) or double (`"`) quote character if the value is quoted.
* returns `null` if the value is not quoted.
* returns `undefined` if the quotation state is unknown (this can happen when
* the attribute is constructed without specifying a quote mark.)
*/
get: function () {
return this._quoteMark;
},
/**
* Set the quote mark to be used by this attribute's value.
* If the quote mark changes, the raw (escaped) value at `attr.raws.value` of the attribute
* value is updated accordingly.
*
* @param {"'" | '"' | null} quoteMark The quote mark or `null` if the value should be unquoted.
*/
set: function (quoteMark) {
if (!this._constructed) {
this._quoteMark = quoteMark;
return;
}
if (this._quoteMark !== quoteMark) {
this._quoteMark = quoteMark;
this._syncRawValue();
}
},
enumerable: false,
configurable: true
});
Attribute.prototype._syncRawValue = function () {
var rawValue = (0, cssesc_1.default)(this._value, CSSESC_QUOTE_OPTIONS[this.quoteMark]);
if (rawValue === this._value) {
if (this.raws) {
delete this.raws.value;
}
}
else {
this.raws.value = rawValue;
}
};
Object.defineProperty(Attribute.prototype, "qualifiedAttribute", {
get: function () {
return this.qualifiedName(this.raws.attribute || this.attribute);
},
enumerable: false,
configurable: true
});
Object.defineProperty(Attribute.prototype, "insensitiveFlag", {
get: function () {
return this.insensitive ? "i" : "";
},
enumerable: false,
configurable: true
});
Object.defineProperty(Attribute.prototype, "value", {
get: function () {
return this._value;
},
/**
* Before 3.0, the value had to be set to an escaped value including any wrapped
* quote marks. In 3.0, the semantics of `Attribute.value` changed so that the value
* is unescaped during parsing and any quote marks are removed.
*
* Because the ambiguity of this semantic change, if you set `attr.value = newValue`,
* a deprecation warning is raised when the new value contains any characters that would
* require escaping (including if it contains wrapped quotes).
*
* Instead, you should call `attr.setValue(newValue, opts)` and pass options that describe
* how the new value is quoted.
*/
set: function (v) {
if (this._constructed) {
var _a = unescapeValue(v), deprecatedUsage = _a.deprecatedUsage, unescaped = _a.unescaped, quoteMark = _a.quoteMark;
if (deprecatedUsage) {
warnOfDeprecatedValueAssignment();
}
if (unescaped === this._value && quoteMark === this._quoteMark) {
return;
}
this._value = unescaped;
this._quoteMark = quoteMark;
this._syncRawValue();
}
else {
this._value = v;
}
},
enumerable: false,
configurable: true
});
Object.defineProperty(Attribute.prototype, "insensitive", {
get: function () {
return this._insensitive;
},
/**
* Set the case insensitive flag.
* If the case insensitive flag changes, the raw (escaped) value at `attr.raws.insensitiveFlag`
* of the attribute is updated accordingly.
*
* @param {true | false} insensitive true if the attribute should match case-insensitively.
*/
set: function (insensitive) {
if (!insensitive) {
this._insensitive = false;
// "i" and "I" can be used in "this.raws.insensitiveFlag" to store the original notation.
// When setting `attr.insensitive = false` both should be erased to ensure correct serialization.
if (this.raws && (this.raws.insensitiveFlag === "I" || this.raws.insensitiveFlag === "i")) {
this.raws.insensitiveFlag = undefined;
}
}
this._insensitive = insensitive;
},
enumerable: false,
configurable: true
});
Object.defineProperty(Attribute.prototype, "attribute", {
get: function () {
return this._attribute;
},
set: function (name) {
this._handleEscapes("attribute", name);
this._attribute = name;
},
enumerable: false,
configurable: true
});
Attribute.prototype._handleEscapes = function (prop, value) {
if (this._constructed) {
var escaped = (0, cssesc_1.default)(value, { isIdentifier: true });
if (escaped !== value) {
this.raws[prop] = escaped;
}
else {
delete this.raws[prop];
}
}
};
Attribute.prototype._spacesFor = function (name) {
var attrSpaces = { before: "", after: "" };
var spaces = this.spaces[name] || {};
var rawSpaces = (this.raws.spaces && this.raws.spaces[name]) || {};
return Object.assign(attrSpaces, spaces, rawSpaces);
};
Attribute.prototype._stringFor = function (name, spaceName, concat) {
if (spaceName === void 0) { spaceName = name; }
if (concat === void 0) { concat = defaultAttrConcat; }
var attrSpaces = this._spacesFor(spaceName);
return concat(this.stringifyProperty(name), attrSpaces);
};
/**
* returns the offset of the attribute part specified relative to the
* start of the node of the output string.
*
* * "ns" - alias for "namespace"
* * "namespace" - the namespace if it exists.
* * "attribute" - the attribute name
* * "attributeNS" - the start of the attribute or its namespace
* * "operator" - the match operator of the attribute
* * "value" - The value (string or identifier)
* * "insensitive" - the case insensitivity flag;
* @param part One of the possible values inside an attribute.
* @returns -1 if the name is invalid or the value doesn't exist in this attribute.
*/
Attribute.prototype.offsetOf = function (name) {
var count = 1;
var attributeSpaces = this._spacesFor("attribute");
count += attributeSpaces.before.length;
if (name === "namespace" || name === "ns") {
return this.namespace ? count : -1;
}
if (name === "attributeNS") {
return count;
}
count += this.namespaceString.length;
if (this.namespace) {
count += 1;
}
if (name === "attribute") {
return count;
}
count += this.stringifyProperty("attribute").length;
count += attributeSpaces.after.length;
var operatorSpaces = this._spacesFor("operator");
count += operatorSpaces.before.length;
var operator = this.stringifyProperty("operator");
if (name === "operator") {
return operator ? count : -1;
}
count += operator.length;
count += operatorSpaces.after.length;
var valueSpaces = this._spacesFor("value");
count += valueSpaces.before.length;
var value = this.stringifyProperty("value");
if (name === "value") {
return value ? count : -1;
}
count += value.length;
count += valueSpaces.after.length;
var insensitiveSpaces = this._spacesFor("insensitive");
count += insensitiveSpaces.before.length;
if (name === "insensitive") {
return this.insensitive ? count : -1;
}
return -1;
};
Attribute.prototype.toString = function () {
var _this = this;
var selector = [this.rawSpaceBefore, "["];
selector.push(this._stringFor("qualifiedAttribute", "attribute"));
if (this.operator && (this.value || this.value === "")) {
selector.push(this._stringFor("operator"));
selector.push(this._stringFor("value"));
selector.push(this._stringFor("insensitiveFlag", "insensitive", function (attrValue, attrSpaces) {
if (attrValue.length > 0 &&
!_this.quoted &&
attrSpaces.before.length === 0 &&
!(_this.spaces.value && _this.spaces.value.after)) {
attrSpaces.before = " ";
}
return defaultAttrConcat(attrValue, attrSpaces);
}));
}
selector.push("]");
selector.push(this.rawSpaceAfter);
return selector.join("");
};
Attribute.NO_QUOTE = null;
Attribute.SINGLE_QUOTE = "'";
Attribute.DOUBLE_QUOTE = '"';
return Attribute;
}(namespace_1.default));
exports.default = Attribute;
var CSSESC_QUOTE_OPTIONS = (_a = {
"'": { quotes: "single", wrap: true },
'"': { quotes: "double", wrap: true }
},
_a[null] = { isIdentifier: true },
_a);
function defaultAttrConcat(attrValue, attrSpaces) {
return "".concat(attrSpaces.before).concat(attrValue).concat(attrSpaces.after);
}
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