com.intuit.karate.template.KarateStandardDialect Maven / Gradle / Ivy
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/*
* The MIT License
*
* Copyright 2022 Karate Labs Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.intuit.karate.template;
import java.util.HashSet;
import java.util.Set;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.thymeleaf.context.IExpressionContext;
import org.thymeleaf.processor.IProcessor;
import org.thymeleaf.standard.StandardDialect;
import org.thymeleaf.standard.expression.IStandardExpression;
import org.thymeleaf.standard.expression.IStandardExpressionParser;
import org.thymeleaf.standard.expression.IStandardVariableExpression;
import org.thymeleaf.standard.expression.IStandardVariableExpressionEvaluator;
import org.thymeleaf.standard.expression.StandardExpressionExecutionContext;
import org.thymeleaf.standard.expression.StandardExpressionParser;
import org.thymeleaf.standard.processor.StandardAttrTagProcessor;
import org.thymeleaf.standard.processor.StandardAttrappendTagProcessor;
import org.thymeleaf.standard.processor.StandardAttrprependTagProcessor;
import org.thymeleaf.standard.processor.StandardEachTagProcessor;
import org.thymeleaf.standard.processor.StandardWithTagProcessor;
/**
*
* @author pthomas3
*/
public class KarateStandardDialect extends StandardDialect implements IStandardVariableExpressionEvaluator, IStandardExpressionParser {
private static final Logger logger = LoggerFactory.getLogger(KarateStandardDialect.class);
private final StandardExpressionParser expressionParser = new StandardExpressionParser();
@Override
public IStandardVariableExpressionEvaluator getVariableExpressionEvaluator() {
return this;
}
@Override
public IStandardExpressionParser getExpressionParser() {
return this;
}
@Override
public Set getProcessors(String dialectPrefix) {
Set processors = StandardDialect.createStandardProcessorsSet(dialectPrefix);
Set patched = new HashSet(processors.size());
for (IProcessor p : processors) {
if (p instanceof StandardEachTagProcessor) {
p = new KarateEachTagProcessor(p.getTemplateMode(), dialectPrefix);
}
if (p instanceof StandardWithTagProcessor) {
p = new KarateWithTagProcessor(p.getTemplateMode(), dialectPrefix);
}
if (p instanceof StandardAttrTagProcessor) {
p = new KarateAttributeTagProcessor.KarateAttrTagProcessor(p.getTemplateMode(), dialectPrefix);
}
if (p instanceof StandardAttrappendTagProcessor) {
p = new KarateAttributeTagProcessor.KarateAttrappendTagProcessor(p.getTemplateMode(), dialectPrefix);
}
if (p instanceof StandardAttrprependTagProcessor) {
p = new KarateAttributeTagProcessor.KarateAttrprependTagProcessor(p.getTemplateMode(), dialectPrefix);
}
patched.add(p);
}
return patched;
}
@Override
public Object evaluate(IExpressionContext ctx, IStandardVariableExpression ve, StandardExpressionExecutionContext ec) {
// found to be used for th:attrappend="data-parent=${expression}"
KarateExpression ke = new KarateExpression(ve.getExpression());
return ke.execute(ctx);
}
@Override
public IStandardExpression parseExpression(IExpressionContext context, String input) {
if (input.charAt(0) == '~') { // template
return expressionParser.parseExpression(context, input);
}
return new KarateExpression(input);
}
}