io.vertigo.dynamo.plugins.environment.loaders.kpr.rules.DslKspRule Maven / Gradle / Ivy

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/**
 * vertigo - simple java starter
 *
 * Copyright (C) 2013-2016, KleeGroup, [email protected] (http://www.kleegroup.com)
 * KleeGroup, Centre d'affaire la Boursidiere - BP 159 - 92357 Le Plessis Robinson Cedex - France
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.vertigo.dynamo.plugins.environment.loaders.kpr.rules;

import static io.vertigo.dynamo.plugins.environment.loaders.kpr.rules.DslSyntaxRules.SPACES;

import java.util.List;

import io.vertigo.commons.peg.AbstractRule;
import io.vertigo.commons.peg.PegChoice;
import io.vertigo.commons.peg.PegRule;
import io.vertigo.commons.peg.PegRule.Dummy;
import io.vertigo.commons.peg.PegRules;
import io.vertigo.core.definition.dsl.dynamic.DynamicDefinition;
import io.vertigo.core.definition.dsl.dynamic.DynamicDefinitionBuilder;
import io.vertigo.core.definition.dsl.dynamic.DynamicDefinitionRepository;
import io.vertigo.core.definition.dsl.entity.DslGrammar;
import io.vertigo.lang.Assertion;

/**
 * règle de composition d'un fichier KSP.
 * Permet de parser un texte au format KSP.
 * Un  fichier KSP ne contient que
 *  - des déclarations de définition,
 *  - des déclarations de droits.
 *
 * Tout fichier ksp commence par une entête ou est précisé le nom du pacakage.
 *
 * @author pchretien
 */
public final class DslKspRule extends AbstractRule> {
	private final DynamicDefinitionRepository dynamicModelrepository;

	/**
	 * Constructeur.
	 * @param dynamicModelrepository Grammaire
	 */
	public DslKspRule(final DynamicDefinitionRepository dynamicModelrepository) {
		super(createMainRule(dynamicModelrepository.getGrammar()), "Ksp");
		this.dynamicModelrepository = dynamicModelrepository;
	}

	private static PegRule> createMainRule(final DslGrammar grammar) {
		Assertion.checkNotNull(grammar);
		//-----
		final PegRule definitionRule = new DslDynamicDefinitionRule("create", grammar);
		final PegRule templateRule = new DslDynamicDefinitionRule("alter", grammar);
		final PegRule declarationChoiceRule = PegRules.choice(//"definition or template")
				definitionRule, //0
				templateRule //1
		);
		final PegRule> declarationChoicesRule = PegRules.zeroOrMore(declarationChoiceRule, true);
		return PegRules.sequence(
				SPACES,
				new DslPackageDeclarationRule(), //1
				SPACES,
				declarationChoicesRule); //3
	}

	@Override
	protected Dummy handle(final List