/*
 * Copyright (c) 2020 Giorgio Antonioli
 *
 * 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 com.fondesa.recyclerviewdivider

import android.content.Context
import android.content.res.TypedArray
import androidx.annotation.AttrRes

/**
 * Resolves the theme attribute with the given identifier.
 *
 * @param attr the id of the theme attribute which should be resolved.
 * @param resolve the conversion between the theme attribute to the resolved attribute.
 * @param T the type of the resolved attribute.
 * @return the resolved attribute.
 */
internal inline fun <T> Context.withAttribute(@AttrRes attr: Int, resolve: TypedArray.() -> T): T {
    val typedArray = obtainStyledAttributes(intArrayOf(attr))
    val result = typedArray.resolve()
    typedArray.recycle()
    return result
}
