org.sonar.flex.checks.utils.Clazz.java Source code

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Here is the source code for org.sonar.flex.checks.utils.Clazz.java

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/*
 * SonarQube Flex Plugin
 * Copyright (C) 2010 SonarSource
 * sonarqube@googlegroups.com
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.flex.checks.utils;

import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.sonar.sslr.api.AstNode;
import org.sonar.flex.FlexGrammar;

import java.util.List;

public final class Clazz {

    private Clazz() {
    }

    public static List<AstNode> getDirectives(AstNode classDefNode) {
        Preconditions.checkArgument(classDefNode.is(FlexGrammar.CLASS_DEF));
        return classDefNode.getFirstChild(FlexGrammar.BLOCK).getFirstChild(FlexGrammar.DIRECTIVES)
                .getChildren(FlexGrammar.DIRECTIVE);
    }

    public static List<AstNode> getFields(AstNode classDefNode) {
        Preconditions.checkArgument(classDefNode.is(FlexGrammar.CLASS_DEF));
        List<AstNode> fields = Lists.newArrayList();

        for (AstNode directive : classDefNode.getFirstChild(FlexGrammar.BLOCK).getFirstChild(FlexGrammar.DIRECTIVES)
                .getChildren()) {
            AstNode fieldDef = getFieldDefinition(directive);
            if (fieldDef != null) {
                fields.add(fieldDef);
            }
        }
        return fields;
    }

    public static String getName(AstNode classDefNode) {
        Preconditions.checkArgument(classDefNode.is(FlexGrammar.CLASS_DEF));
        return classDefNode.getFirstChild(FlexGrammar.CLASS_NAME).getFirstChild(FlexGrammar.CLASS_IDENTIFIERS)
                .getLastChild().getTokenValue();
    }

    public static AstNode getConstructor(AstNode classDefNode) {
        Preconditions.checkArgument(classDefNode.is(FlexGrammar.CLASS_DEF));
        final String className = Clazz.getName(classDefNode);

        for (AstNode directive : classDefNode.getFirstChild(FlexGrammar.BLOCK).getFirstChild(FlexGrammar.DIRECTIVES)
                .getChildren()) {
            AstNode functionDef = getFunctionDefinition(directive.getFirstChild(FlexGrammar.ANNOTABLE_DIRECTIVE));

            if (functionDef != null && Function.isConstructor(functionDef, className)) {
                return functionDef;
            }
        }

        return null;
    }

    private static AstNode getFieldDefinition(AstNode directive) {
        Preconditions.checkArgument(directive.is(FlexGrammar.DIRECTIVE));
        AstNode annotableDir = directive.getFirstChild(FlexGrammar.ANNOTABLE_DIRECTIVE);
        return annotableDir == null ? null : annotableDir.getFirstChild(FlexGrammar.VARIABLE_DECLARATION_STATEMENT);
    }

    private static AstNode getFunctionDefinition(AstNode annotableDir) {
        return annotableDir != null && annotableDir.is(FlexGrammar.ANNOTABLE_DIRECTIVE)
                && annotableDir.getFirstChild().is(FlexGrammar.FUNCTION_DEF) ? annotableDir.getFirstChild() : null;
    }

    public static List<AstNode> getFunctions(AstNode classDefNode) {
        Preconditions.checkArgument(classDefNode.is(FlexGrammar.CLASS_DEF));
        List<AstNode> functions = Lists.newArrayList();

        for (AstNode directive : classDefNode.getFirstChild(FlexGrammar.BLOCK).getFirstChild(FlexGrammar.DIRECTIVES)
                .getChildren()) {
            AstNode functionDef = getFunctionDefinition(directive.getFirstChild(FlexGrammar.ANNOTABLE_DIRECTIVE));

            if (functionDef != null) {
                functions.add(functionDef);
            }
        }
        return functions;
    }

}