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-rw-r--r--ext/bg/js/profile-conditions2.js276
1 files changed, 276 insertions, 0 deletions
diff --git a/ext/bg/js/profile-conditions2.js b/ext/bg/js/profile-conditions2.js
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+/*
+ * Copyright (C) 2020 Yomichan Authors
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Utility class to help processing profile conditions.
+ */
+class ProfileConditions {
+ /**
+ * Creates a new instance.
+ */
+ constructor() {
+ this._splitPattern = /[,;\s]+/;
+ this._descriptors = new Map([
+ [
+ 'popupLevel',
+ {
+ operators: new Map([
+ ['equal', this._createSchemaPopupLevelEqual.bind(this)],
+ ['notEqual', this._createSchemaPopupLevelNotEqual.bind(this)],
+ ['lessThan', this._createSchemaPopupLevelLessThan.bind(this)],
+ ['greaterThan', this._createSchemaPopupLevelGreaterThan.bind(this)],
+ ['lessThanOrEqual', this._createSchemaPopupLevelLessThanOrEqual.bind(this)],
+ ['greaterThanOrEqual', this._createSchemaPopupLevelGreaterThanOrEqual.bind(this)]
+ ])
+ }
+ ],
+ [
+ 'url',
+ {
+ operators: new Map([
+ ['matchDomain', this._createSchemaUrlMatchDomain.bind(this)],
+ ['matchRegExp', this._createSchemaUrlMatchRegExp.bind(this)]
+ ])
+ }
+ ],
+ [
+ 'modifierKeys',
+ {
+ operators: new Map([
+ ['are', this._createSchemaModifierKeysAre.bind(this)],
+ ['areNot', this._createSchemaModifierKeysAreNot.bind(this)],
+ ['include', this._createSchemaModifierKeysInclude.bind(this)],
+ ['notInclude', this._createSchemaModifierKeysNotInclude.bind(this)]
+ ])
+ }
+ ]
+ ]);
+ }
+
+ /**
+ * Creates a new JSON schema descriptor for the given set of condition groups.
+ * @param conditionGroups An array of condition groups in the following format:
+ * conditionGroups = [
+ * {
+ * conditions: [
+ * {
+ * type: (condition type: string),
+ * operator: (condition sub-type: string),
+ * value: (value to compare against: string)
+ * },
+ * ...
+ * ]
+ * },
+ * ...
+ * ]
+ */
+ createSchema(conditionGroups) {
+ const anyOf = [];
+ for (const {conditions} of conditionGroups) {
+ const allOf = [];
+ for (const {type, operator, value} of conditions) {
+ const conditionDescriptor = this._descriptors.get(type);
+ if (typeof conditionDescriptor === 'undefined') { continue; }
+
+ const createSchema = conditionDescriptor.operators.get(operator);
+ if (typeof createSchema === 'undefined') { continue; }
+
+ const schema = createSchema(value);
+ allOf.push(schema);
+ }
+ switch (allOf.length) {
+ case 0: break;
+ case 1: anyOf.push(allOf[0]); break;
+ default: anyOf.push({allOf}); break;
+ }
+ }
+ switch (anyOf.length) {
+ case 0: return {};
+ case 1: return anyOf[0];
+ default: return {anyOf};
+ }
+ }
+
+ /**
+ * Creates a normalized version of the context object to test,
+ * assigning dependent fields as needed.
+ * @param context A context object which is used during schema validation.
+ * @returns A normalized context object.
+ */
+ normalizeContext(context) {
+ const normalizedContext = Object.assign({}, context);
+ const {url} = normalizedContext;
+ if (typeof url === 'string') {
+ try {
+ normalizedContext.domain = new URL(url).hostname;
+ } catch (e) {
+ // NOP
+ }
+ }
+ return normalizedContext;
+ }
+
+ // Private
+
+ _split(value) {
+ return value.split(this._splitPattern);
+ }
+
+ _stringToNumber(value) {
+ const number = Number.parseFloat(value);
+ return Number.isFinite(number) ? number : 0;
+ }
+
+ // popupLevel schema creation functions
+
+ _createSchemaPopupLevelEqual(value) {
+ value = this._stringToNumber(value);
+ return {
+ required: ['depth'],
+ properties: {
+ depth: {const: value}
+ }
+ };
+ }
+
+ _createSchemaPopupLevelNotEqual(value) {
+ return {
+ not: [this._createSchemaPopupLevelEqual(value)]
+ };
+ }
+
+ _createSchemaPopupLevelLessThan(value) {
+ value = this._stringToNumber(value);
+ return {
+ required: ['depth'],
+ properties: {
+ depth: {type: 'number', exclusiveMaximum: value}
+ }
+ };
+ }
+
+ _createSchemaPopupLevelGreaterThan(value) {
+ value = this._stringToNumber(value);
+ return {
+ required: ['depth'],
+ properties: {
+ depth: {type: 'number', exclusiveMinimum: value}
+ }
+ };
+ }
+
+ _createSchemaPopupLevelLessThanOrEqual(value) {
+ value = this._stringToNumber(value);
+ return {
+ required: ['depth'],
+ properties: {
+ depth: {type: 'number', maximum: value}
+ }
+ };
+ }
+
+ _createSchemaPopupLevelGreaterThanOrEqual(value) {
+ value = this._stringToNumber(value);
+ return {
+ required: ['depth'],
+ properties: {
+ depth: {type: 'number', minimum: value}
+ }
+ };
+ }
+
+ // url schema creation functions
+
+ _createSchemaUrlMatchDomain(value) {
+ const oneOf = [];
+ for (let domain of this._split(value)) {
+ if (domain.length === 0) { continue; }
+ domain = domain.toLowerCase();
+ oneOf.push({const: domain});
+ }
+ return {
+ required: ['domain'],
+ properties: {
+ domain: {oneOf}
+ }
+ };
+ }
+
+ _createSchemaUrlMatchRegExp(value) {
+ return {
+ required: ['url'],
+ properties: {
+ url: {type: 'string', pattern: value, patternFlags: 'i'}
+ }
+ };
+ }
+
+ // modifierKeys schema creation functions
+
+ _createSchemaModifierKeysAre(value) {
+ return this._createSchemaModifierKeysGeneric(value, true, false);
+ }
+
+ _createSchemaModifierKeysAreNot(value) {
+ return {
+ not: [this._createSchemaModifierKeysGeneric(value, true, false)]
+ };
+ }
+
+ _createSchemaModifierKeysInclude(value) {
+ return this._createSchemaModifierKeysGeneric(value, false, false);
+ }
+
+ _createSchemaModifierKeysNotInclude(value) {
+ return this._createSchemaModifierKeysGeneric(value, false, true);
+ }
+
+ _createSchemaModifierKeysGeneric(value, exact, none) {
+ const containsList = [];
+ for (const modifierKey of this._split(value)) {
+ if (modifierKey.length === 0) { continue; }
+ containsList.push({
+ contains: {
+ const: modifierKey
+ }
+ });
+ }
+ const containsListCount = containsList.length;
+ const modifierKeysSchema = {
+ type: 'array'
+ };
+ if (exact) {
+ modifierKeysSchema.maxItems = containsListCount;
+ }
+ if (none) {
+ if (containsListCount > 0) {
+ modifierKeysSchema.not = containsList;
+ }
+ } else {
+ modifierKeysSchema.minItems = containsListCount;
+ if (containsListCount > 0) {
+ modifierKeysSchema.allOf = containsList;
+ }
+ }
+ return {
+ required: ['modifierKeys'],
+ properties: {
+ modifierKeys: modifierKeysSchema
+ }
+ };
+ }
+}