// Path: src/org/jf/dexlib2/iface/ClassDef.java
// public interface ClassDef extends TypeReference, Annotatable {
//     /**
//      * Gets the class type.
//      *
//      * This will be a type descriptor per the dex file specification.
//      *
//      * @return The class type
//      */
//     @Override @Nonnull String getType();
// 
//     /**
//      * Gets the access flags for this class.
//      *
//      * This will be a combination of the AccessFlags.* flags that are marked as compatible for use with a class.
//      *
//      * @return The access flags for this class
//      */
//     int getAccessFlags();
// 
//     /**
//      * Gets the superclass of this class.
//      *
//      * This will only be null if this is the base java.lang.Object class.
//      *
//      * @return The superclass of this class
//      */
//     @Nullable String getSuperclass();
// 
//     /**
//      * Gets a list of the interfaces that this class implements.
//      *
//      * @return A list of the interfaces that this class implements
//      */
//     @Nonnull List<String> getInterfaces();
// 
//     /**
//      * Gets the name of the primary source file that this class is defined in, if available.
//      *
//      * This will be the default source file associated with all methods defined in this class. This can be overridden
//      * for sections of an individual method with the SetSourceFile debug item.
//      *
//      * @return The name of the primary source file for this class, or null if not available
//      */
//     @Nullable String getSourceFile();
// 
//     /**
//      * Gets a set of the annotations that are applied to this class.
//      *
//      * The annotations in the returned set are guaranteed to have unique types.
//      *
//      * @return A set of the annotations that are applied to this class
//      */
//     @Override @Nonnull Set<? extends Annotation> getAnnotations();
// 
//     /**
//      * Gets the static fields that are defined by this class.
//      *
//      * The static fields that are returned must have no duplicates.
//      *
//      * @return The static fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getStaticFields();
// 
//     /**
//      * Gets the instance fields that are defined by this class.
//      *
//      * The instance fields that are returned must have no duplicates.
//      *
//      * @return The instance fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getInstanceFields();
// 
//     /**
//      * Gets all the fields that are defined by this class.
//      *
//      * This is a convenience method that combines getStaticFields() and getInstanceFields()
//      *
//      * The returned fields may be in any order. I.e. It's not safe to assume that all instance fields will come after
//      * all static fields.
//      *
//      * Note that there typically should not be any duplicate fields between the two, but some versions of
//      * dalvik inadvertently allow duplicate static/instance fields, and are supported here for completeness
//      *
//      * @return A set of the fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getFields();
// 
//     /**
//      * Gets the direct methods that are defined by this class.
//      *
//      * The direct methods that are returned must have no duplicates.
//      *
//      * @return The direct methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getDirectMethods();
// 
//     /**
//      * Gets the virtual methods that are defined by this class.
//      *
//      * The virtual methods that are returned must have no duplicates.
//      *
//      * @return The virtual methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getVirtualMethods();
// 
//     /**
//      * Gets all the methods that are defined by this class.
//      *
//      * This is a convenience method that combines getDirectMethods() and getVirtualMethods().
//      *
//      * The returned methods may be in any order. I.e. It's not safe to assume that all virtual methods will come after
//      * all direct methods.
//      *
//      * Note that there typically should not be any duplicate methods between the two, but some versions of
//      * dalvik inadvertently allow duplicate direct/virtual methods, and are supported here for completeness
//      *
//      * @return An iterable of the methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getMethods();
// }


import org.jf.dexlib2.AccessFlags;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.reference.TypeReference;
import javax.annotation.Nonnull;
/*
 * Copyright 2012, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jf.dexlib2.util;



public final class TypeUtils {
    public static boolean isWideType(@Nonnull String type) {
        char c = type.charAt(0);
        return c == 'J' || c == 'D';
    }

    public static boolean isWideType(@Nonnull TypeReference type) {
        return isWideType(type.getType());
    }

    public static boolean isPrimitiveType(String type) {
        return type.length() == 1;
    }

    @Nonnull
    public static String getPackage(@Nonnull String type) {
        int lastSlash = type.lastIndexOf('/');
        if (lastSlash < 0) {
            return "";
        }
        return type.substring(1, lastSlash);
    }

// Path: src/org/jf/dexlib2/iface/ClassDef.java
// public interface ClassDef extends TypeReference, Annotatable {
//     /**
//      * Gets the class type.
//      *
//      * This will be a type descriptor per the dex file specification.
//      *
//      * @return The class type
//      */
//     @Override @Nonnull String getType();
// 
//     /**
//      * Gets the access flags for this class.
//      *
//      * This will be a combination of the AccessFlags.* flags that are marked as compatible for use with a class.
//      *
//      * @return The access flags for this class
//      */
//     int getAccessFlags();
// 
//     /**
//      * Gets the superclass of this class.
//      *
//      * This will only be null if this is the base java.lang.Object class.
//      *
//      * @return The superclass of this class
//      */
//     @Nullable String getSuperclass();
// 
//     /**
//      * Gets a list of the interfaces that this class implements.
//      *
//      * @return A list of the interfaces that this class implements
//      */
//     @Nonnull List<String> getInterfaces();
// 
//     /**
//      * Gets the name of the primary source file that this class is defined in, if available.
//      *
//      * This will be the default source file associated with all methods defined in this class. This can be overridden
//      * for sections of an individual method with the SetSourceFile debug item.
//      *
//      * @return The name of the primary source file for this class, or null if not available
//      */
//     @Nullable String getSourceFile();
// 
//     /**
//      * Gets a set of the annotations that are applied to this class.
//      *
//      * The annotations in the returned set are guaranteed to have unique types.
//      *
//      * @return A set of the annotations that are applied to this class
//      */
//     @Override @Nonnull Set<? extends Annotation> getAnnotations();
// 
//     /**
//      * Gets the static fields that are defined by this class.
//      *
//      * The static fields that are returned must have no duplicates.
//      *
//      * @return The static fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getStaticFields();
// 
//     /**
//      * Gets the instance fields that are defined by this class.
//      *
//      * The instance fields that are returned must have no duplicates.
//      *
//      * @return The instance fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getInstanceFields();
// 
//     /**
//      * Gets all the fields that are defined by this class.
//      *
//      * This is a convenience method that combines getStaticFields() and getInstanceFields()
//      *
//      * The returned fields may be in any order. I.e. It's not safe to assume that all instance fields will come after
//      * all static fields.
//      *
//      * Note that there typically should not be any duplicate fields between the two, but some versions of
//      * dalvik inadvertently allow duplicate static/instance fields, and are supported here for completeness
//      *
//      * @return A set of the fields that are defined by this class
//      */
//     @Nonnull Iterable<? extends Field> getFields();
// 
//     /**
//      * Gets the direct methods that are defined by this class.
//      *
//      * The direct methods that are returned must have no duplicates.
//      *
//      * @return The direct methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getDirectMethods();
// 
//     /**
//      * Gets the virtual methods that are defined by this class.
//      *
//      * The virtual methods that are returned must have no duplicates.
//      *
//      * @return The virtual methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getVirtualMethods();
// 
//     /**
//      * Gets all the methods that are defined by this class.
//      *
//      * This is a convenience method that combines getDirectMethods() and getVirtualMethods().
//      *
//      * The returned methods may be in any order. I.e. It's not safe to assume that all virtual methods will come after
//      * all direct methods.
//      *
//      * Note that there typically should not be any duplicate methods between the two, but some versions of
//      * dalvik inadvertently allow duplicate direct/virtual methods, and are supported here for completeness
//      *
//      * @return An iterable of the methods that are defined by this class.
//      */
//     @Nonnull Iterable<? extends Method> getMethods();
// }


// Path: src/org/jf/dexlib2/util/TypeUtils.java
import org.jf.dexlib2.AccessFlags;
import org.jf.dexlib2.iface.ClassDef;
import org.jf.dexlib2.iface.reference.TypeReference;
import javax.annotation.Nonnull;

/*
 * Copyright 2012, Google Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jf.dexlib2.util;



public final class TypeUtils {
    public static boolean isWideType(@Nonnull String type) {
        char c = type.charAt(0);
        return c == 'J' || c == 'D';
    }

    public static boolean isWideType(@Nonnull TypeReference type) {
        return isWideType(type.getType());
    }

    public static boolean isPrimitiveType(String type) {
        return type.length() == 1;
    }

    @Nonnull
    public static String getPackage(@Nonnull String type) {
        int lastSlash = type.lastIndexOf('/');
        if (lastSlash < 0) {
            return "";
        }
        return type.substring(1, lastSlash);
    }

    public static boolean canAccessClass(@Nonnull String accessorType, @Nonnull ClassDef accesseeClassDef) {