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/*
* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* 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 <http://www.gnu.org/licenses/>.
*/
function conditionsValidateOptionValue(object, value) {
if (object.hasOwnProperty('validate') && !object.validate(value)) {
throw new Error('Invalid value for condition');
}
if (object.hasOwnProperty('transform')) {
value = object.transform(value);
if (object.hasOwnProperty('validateTransformed') && !object.validateTransformed(value)) {
throw new Error('Invalid value for condition');
}
}
return value;
}
function conditionsNormalizeOptionValue(descriptors, type, operator, optionValue) {
if (!descriptors.hasOwnProperty(type)) {
throw new Error('Invalid type');
}
const conditionDescriptor = descriptors[type];
if (!conditionDescriptor.operators.hasOwnProperty(operator)) {
throw new Error('Invalid operator');
}
const operatorDescriptor = conditionDescriptor.operators[operator];
let transformedValue = conditionsValidateOptionValue(conditionDescriptor, optionValue);
transformedValue = conditionsValidateOptionValue(operatorDescriptor, transformedValue);
if (operatorDescriptor.hasOwnProperty('transformReverse')) {
transformedValue = operatorDescriptor.transformReverse(transformedValue);
}
return transformedValue;
}
function conditionsTestValueThrowing(descriptors, type, operator, optionValue, value) {
if (!descriptors.hasOwnProperty(type)) {
throw new Error('Invalid type');
}
const conditionDescriptor = descriptors[type];
if (!conditionDescriptor.operators.hasOwnProperty(operator)) {
throw new Error('Invalid operator');
}
const operatorDescriptor = conditionDescriptor.operators[operator];
if (operatorDescriptor.hasOwnProperty('transform')) {
if (operatorDescriptor.hasOwnProperty('transformCache')) {
const key = `${optionValue}`;
const transformCache = operatorDescriptor.transformCache;
if (transformCache.hasOwnProperty(key)) {
optionValue = transformCache[key];
} else {
optionValue = operatorDescriptor.transform(optionValue);
transformCache[key] = optionValue;
}
} else {
optionValue = operatorDescriptor.transform(optionValue);
}
}
return operatorDescriptor.test(value, optionValue);
}
function conditionsTestValue(descriptors, type, operator, optionValue, value) {
try {
return conditionsTestValueThrowing(descriptors, type, operator, optionValue, value);
} catch (e) {
return false;
}
}
function conditionsClearCaches(descriptors) {
for (const type in descriptors) {
if (!descriptors.hasOwnProperty(type)) {
continue;
}
const conditionDescriptor = descriptors[type];
if (conditionDescriptor.hasOwnProperty('transformCache')) {
conditionDescriptor.transformCache = {};
}
const operatorDescriptors = conditionDescriptor.operators;
for (const operator in operatorDescriptors) {
if (!operatorDescriptors.hasOwnProperty(operator)) {
continue;
}
const operatorDescriptor = operatorDescriptors[operator];
if (operatorDescriptor.hasOwnProperty('transformCache')) {
operatorDescriptor.transformCache = {};
}
}
}
}
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