compiler/src/main/kotlin/android/databinding/tool/ext/list_ext.kt

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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 android.databinding.tool.ext

import android.databinding.tool.ext.toCamelCase
import android.databinding.tool.ext.toCamelCaseAsVar

public fun List<String>.joinToCamelCase(): String = when(size()) {
    0 -> throw IllegalArgumentException("invalid section size, cannot be zero")
    1 -> this.get(0).toCamelCase()
    else -> this.map {it.toCamelCase()}.joinToString("")
}

public fun List<String>.joinToCamelCaseAsVar(): String = when(size()) {
    0 -> throw IllegalArgumentException("invalid section size, cannot be zero")
    1 -> this.get(0).toCamelCaseAsVar()
    else -> get(0).toCamelCaseAsVar() + drop(1).joinToCamelCase()
}

public fun Array<String>.joinToCamelCase(): String = when(size()) {
    0 -> throw IllegalArgumentException("invalid section size, cannot be zero")
    1 -> this.get(0).toCamelCase()
    else -> this.map {it.toCamelCase()}.joinToString("")
}

public fun Array<String>.joinToCamelCaseAsVar(): String = when(size()) {
    0 -> throw IllegalArgumentException("invalid section size, cannot be zero")
    1 -> this.get(0).toCamelCaseAsVar()
    else -> get(0).toCamelCaseAsVar() + drop(1).joinToCamelCase()
}