1 | "use strict";
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2 | Object.defineProperty(exports, "__esModule", { value: true });
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3 | exports.compileGeneralSelector = void 0;
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4 | var attributes_1 = require("./attributes");
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5 | var pseudo_selectors_1 = require("./pseudo-selectors");
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6 | var css_what_1 = require("css-what");
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7 | /*
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8 | * All available rules
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9 | */
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10 | function compileGeneralSelector(next, selector, options, context, compileToken) {
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11 | var adapter = options.adapter, equals = options.equals;
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12 | switch (selector.type) {
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13 | case css_what_1.SelectorType.PseudoElement: {
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14 | throw new Error("Pseudo-elements are not supported by css-select");
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15 | }
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16 | case css_what_1.SelectorType.ColumnCombinator: {
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17 | throw new Error("Column combinators are not yet supported by css-select");
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18 | }
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19 | case css_what_1.SelectorType.Attribute: {
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20 | if (selector.namespace != null) {
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21 | throw new Error("Namespaced attributes are not yet supported by css-select");
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22 | }
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23 | if (!options.xmlMode || options.lowerCaseAttributeNames) {
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24 | selector.name = selector.name.toLowerCase();
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25 | }
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26 | return attributes_1.attributeRules[selector.action](next, selector, options);
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27 | }
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28 | case css_what_1.SelectorType.Pseudo: {
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29 | return (0, pseudo_selectors_1.compilePseudoSelector)(next, selector, options, context, compileToken);
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30 | }
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31 | // Tags
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32 | case css_what_1.SelectorType.Tag: {
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33 | if (selector.namespace != null) {
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34 | throw new Error("Namespaced tag names are not yet supported by css-select");
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35 | }
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36 | var name_1 = selector.name;
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37 | if (!options.xmlMode || options.lowerCaseTags) {
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38 | name_1 = name_1.toLowerCase();
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39 | }
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40 | return function tag(elem) {
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41 | return adapter.getName(elem) === name_1 && next(elem);
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42 | };
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43 | }
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44 | // Traversal
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45 | case css_what_1.SelectorType.Descendant: {
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46 | if (options.cacheResults === false ||
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47 | typeof WeakSet === "undefined") {
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48 | return function descendant(elem) {
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49 | var current = elem;
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50 | while ((current = adapter.getParent(current))) {
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51 | if (adapter.isTag(current) && next(current)) {
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52 | return true;
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53 | }
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54 | }
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55 | return false;
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56 | };
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57 | }
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58 | // @ts-expect-error `ElementNode` is not extending object
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59 | var isFalseCache_1 = new WeakSet();
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60 | return function cachedDescendant(elem) {
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61 | var current = elem;
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62 | while ((current = adapter.getParent(current))) {
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63 | if (!isFalseCache_1.has(current)) {
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64 | if (adapter.isTag(current) && next(current)) {
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65 | return true;
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66 | }
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67 | isFalseCache_1.add(current);
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68 | }
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69 | }
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70 | return false;
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71 | };
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72 | }
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73 | case "_flexibleDescendant": {
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74 | // Include element itself, only used while querying an array
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75 | return function flexibleDescendant(elem) {
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76 | var current = elem;
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77 | do {
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78 | if (adapter.isTag(current) && next(current))
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79 | return true;
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80 | } while ((current = adapter.getParent(current)));
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81 | return false;
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82 | };
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83 | }
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84 | case css_what_1.SelectorType.Parent: {
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85 | return function parent(elem) {
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86 | return adapter
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87 | .getChildren(elem)
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88 | .some(function (elem) { return adapter.isTag(elem) && next(elem); });
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89 | };
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90 | }
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91 | case css_what_1.SelectorType.Child: {
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92 | return function child(elem) {
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93 | var parent = adapter.getParent(elem);
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94 | return parent != null && adapter.isTag(parent) && next(parent);
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95 | };
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96 | }
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97 | case css_what_1.SelectorType.Sibling: {
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98 | return function sibling(elem) {
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99 | var siblings = adapter.getSiblings(elem);
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100 | for (var i = 0; i < siblings.length; i++) {
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101 | var currentSibling = siblings[i];
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102 | if (equals(elem, currentSibling))
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103 | break;
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104 | if (adapter.isTag(currentSibling) && next(currentSibling)) {
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105 | return true;
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106 | }
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107 | }
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108 | return false;
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109 | };
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110 | }
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111 | case css_what_1.SelectorType.Adjacent: {
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112 | if (adapter.prevElementSibling) {
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113 | return function adjacent(elem) {
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114 | var previous = adapter.prevElementSibling(elem);
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115 | return previous != null && next(previous);
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116 | };
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117 | }
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118 | return function adjacent(elem) {
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119 | var siblings = adapter.getSiblings(elem);
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120 | var lastElement;
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121 | for (var i = 0; i < siblings.length; i++) {
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122 | var currentSibling = siblings[i];
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123 | if (equals(elem, currentSibling))
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124 | break;
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125 | if (adapter.isTag(currentSibling)) {
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126 | lastElement = currentSibling;
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127 | }
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128 | }
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129 | return !!lastElement && next(lastElement);
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130 | };
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131 | }
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132 | case css_what_1.SelectorType.Universal: {
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133 | if (selector.namespace != null && selector.namespace !== "*") {
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134 | throw new Error("Namespaced universal selectors are not yet supported by css-select");
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135 | }
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136 | return next;
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137 | }
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138 | }
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139 | }
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140 | exports.compileGeneralSelector = compileGeneralSelector;
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