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"use strict";
exports.__esModule = true;
exports.unescapeValue = unescapeValue;
exports["default"] = void 0;
var _cssesc = _interopRequireDefault(require("cssesc"));
var _unesc = _interopRequireDefault(require("../util/unesc"));
var _namespace = _interopRequireDefault(require("./namespace"));
var _types = require("./types");
var _CSSESC_QUOTE_OPTIONS;
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
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["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 _unescapeValue = unescapeValue(opts.value),
quoteMark = _unescapeValue.quoteMark,
unescaped = _unescapeValue.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 = /*#__PURE__*/function (_Namespace) {
_inheritsLoose(Attribute, _Namespace);
function Attribute(opts) {
var _this;
if (opts === void 0) {
opts = {};
}
_this = _Namespace.call(this, handleDeprecatedContructorOpts(opts)) || this;
_this.type = _types.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.
**/
var _proto = Attribute.prototype;
_proto.getQuotedValue = function getQuotedValue(options) {
if (options === void 0) {
options = {};
}
var quoteMark = this._determineQuoteMark(options);
var cssescopts = CSSESC_QUOTE_OPTIONS[quoteMark];
var escaped = (0, _cssesc["default"])(this._value, cssescopts);
return escaped;
};
_proto._determineQuoteMark = function _determineQuoteMark(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.
*/
;
_proto.setValue = function setValue(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.
*/
;
_proto.smartQuoteMark = function smartQuoteMark(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["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["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.
*/
;
_proto.preferredQuoteMark = function preferredQuoteMark(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;
};
_proto._syncRawValue = function _syncRawValue() {
var rawValue = (0, _cssesc["default"])(this._value, CSSESC_QUOTE_OPTIONS[this.quoteMark]);
if (rawValue === this._value) {
if (this.raws) {
delete this.raws.value;
}
} else {
this.raws.value = rawValue;
}
};
_proto._handleEscapes = function _handleEscapes(prop, value) {
if (this._constructed) {
var escaped = (0, _cssesc["default"])(value, {
isIdentifier: true
});
if (escaped !== value) {
this.raws[prop] = escaped;
} else {
delete this.raws[prop];
}
}
};
_proto._spacesFor = function _spacesFor(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);
};
_proto._stringFor = function _stringFor(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.
*/
;
_proto.offsetOf = function offsetOf(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;
};
_proto.toString = function toString() {
var _this2 = 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 && !_this2.quoted && attrSpaces.before.length === 0 && !(_this2.spaces.value && _this2.spaces.value.after)) {
attrSpaces.before = " ";
}
return defaultAttrConcat(attrValue, attrSpaces);
}));
}
selector.push(']');
selector.push(this.rawSpaceAfter);
return selector.join('');
};
_createClass(Attribute, [{
key: "quoted",
get: function get() {
var qm = this.quoteMark;
return qm === "'" || qm === '"';
},
set: function set(value) {
warnOfDeprecatedQuotedAssignment();
}
/**
* 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.)
*/
}, {
key: "quoteMark",
get: function get() {
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 set(quoteMark) {
if (!this._constructed) {
this._quoteMark = quoteMark;
return;
}
if (this._quoteMark !== quoteMark) {
this._quoteMark = quoteMark;
this._syncRawValue();
}
}
}, {
key: "qualifiedAttribute",
get: function get() {
return this.qualifiedName(this.raws.attribute || this.attribute);
}
}, {
key: "insensitiveFlag",
get: function get() {
return this.insensitive ? 'i' : '';
}
}, {
key: "value",
get: function get() {
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 set(v) {
if (this._constructed) {
var _unescapeValue2 = unescapeValue(v),
deprecatedUsage = _unescapeValue2.deprecatedUsage,
unescaped = _unescapeValue2.unescaped,
quoteMark = _unescapeValue2.quoteMark;
if (deprecatedUsage) {
warnOfDeprecatedValueAssignment();
}
if (unescaped === this._value && quoteMark === this._quoteMark) {
return;
}
this._value = unescaped;
this._quoteMark = quoteMark;
this._syncRawValue();
} else {
this._value = v;
}
}
}, {
key: "attribute",
get: function get() {
return this._attribute;
},
set: function set(name) {
this._handleEscapes("attribute", name);
this._attribute = name;
}
}]);
return Attribute;
}(_namespace["default"]);
exports["default"] = Attribute;
Attribute.NO_QUOTE = null;
Attribute.SINGLE_QUOTE = "'";
Attribute.DOUBLE_QUOTE = '"';
var CSSESC_QUOTE_OPTIONS = (_CSSESC_QUOTE_OPTIONS = {
"'": {
quotes: 'single',
wrap: true
},
'"': {
quotes: 'double',
wrap: true
}
}, _CSSESC_QUOTE_OPTIONS[null] = {
isIdentifier: true
}, _CSSESC_QUOTE_OPTIONS);
function defaultAttrConcat(attrValue, attrSpaces) {
return "" + attrSpaces.before + attrValue + attrSpaces.after;
}