/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* 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 org.jetbrains.kotlin.load.kotlin
import com.intellij.openapi.util.io.FileUtil
import com.intellij.openapi.vfs.VirtualFile
import org.jetbrains.annotations.TestOnly
import org.jetbrains.kotlin.idea.KotlinFileType
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.name.NameUtils
import org.jetbrains.kotlin.psi.KtFile
import java.util.*
object PackagePartClassUtils {
@JvmStatic fun getPathHashCode(file: VirtualFile): Int =
file.path.toLowerCase().hashCode()
private val PART_CLASS_NAME_SUFFIX = "Kt"
private @JvmStatic fun decapitalizeAsJavaClassName(str: String): String =
// NB use Locale.ENGLISH so that build is locale-independent.
// See Javadoc on java.lang.String.toUpperCase() for more details.
when {
Character.isJavaIdentifierStart(str[0]) -> str.substring(0, 1).toLowerCase(Locale.ENGLISH) + str.substring(1)
str[0] == '_' -> str.substring(1)
else -> str
}
@TestOnly
@JvmStatic fun getDefaultPartFqName(facadeClassFqName: FqName, file: VirtualFile): FqName =
getPackagePartFqName(facadeClassFqName.parent(), file.name)
@JvmStatic fun getPackagePartFqName(packageFqName: FqName, fileName: String): FqName {
val partClassName = getFilePartShortName(fileName)
return packageFqName.child(Name.identifier(partClassName))
}
@JvmStatic fun getFilesWithCallables(files: Collection<KtFile>): List<KtFile> =
files.filter { it.hasTopLevelCallables() }
@JvmStatic fun getFilePartShortName(fileName: String): String =
NameUtils.getPackagePartClassNamePrefix(FileUtil.getNameWithoutExtension(fileName)) + PART_CLASS_NAME_SUFFIX
@JvmStatic fun getFileNameByFacadeName(facadeClassName: String): String? {
if (!facadeClassName.endsWith(PART_CLASS_NAME_SUFFIX)) return null
val baseName = facadeClassName.substring(0, facadeClassName.length - PART_CLASS_NAME_SUFFIX.length)
if (baseName == "_") return null
return "${decapitalizeAsJavaClassName(baseName)}.${KotlinFileType.EXTENSION}"
}
}