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Cleanup FqNamesUtil.kt

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Delete unused, move some utilities to fqNameUtil.kt in IDE, rewrite comments
This commit is contained in:
Alexander Udalov
2015-02-09 20:22:32 +03:00
parent 9b28e19551
commit 1e8d8d0a99
7 changed files with 45 additions and 66 deletions
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core/descriptors/src/org/jetbrains/kotlin/name/FqNamesUtil.kt
+14 -55
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@@ -16,8 +16,6 @@
package org.jetbrains.kotlin.name
import org.jetbrains.kotlin.resolve.ImportPath
public fun FqName.isSubpackageOf(packageName: FqName): Boolean {
return when {
this == packageName -> true
@@ -26,56 +24,36 @@ public fun FqName.isSubpackageOf(packageName: FqName): Boolean {
}
}
public fun FqName.isParent(child: FqName): Boolean = child.isSubpackageOf(this)
private fun isSubpackageOf(subpackageNameStr: String, packageNameStr: String): Boolean {
return subpackageNameStr.startsWith(packageNameStr) && subpackageNameStr[packageNameStr.length()] == '.'
}
public fun FqName.isOneSegmentFQN(): Boolean = !isRoot() && parent().isRoot()
public fun FqName.withoutFirstSegment(): FqName {
if (isRoot() || parent().isRoot()) return FqName.ROOT
val fqNameStr = asString()
return FqName(fqNameStr.substring(fqNameStr.indexOf('.') + 1, fqNameStr.length()))
}
public fun FqName.numberOfSegments(): Int {
return if (isRoot()) 0 else 1 + parent().numberOfSegments()
}
/**
* Get tail part of the full fqn by subtracting head part.
* Get the tail part of the FQ name by stripping a prefix. If FQ name does not begin with the given prefix, it will be returned as is.
*
* @param headFQN
* @return tail fqn. If first part is not a begging of the full fqn, fullFQN will be returned.
* Examples:
* "org.jetbrains.kotlin".tail("org") = "jetbrains.kotlin"
* "org.jetbrains.kotlin".tail("") = "org.jetbrains.kotlin"
* "org.jetbrains.kotlin".tail("org.jetbrains.kotlin") = ""
* "org.jetbrains.kotlin".tail("org.jetbrains.gogland") = "org.jetbrains.kotlin"
*/
public fun FqName.tail(headFQN: FqName): FqName {
public fun FqName.tail(prefix: FqName): FqName {
return when {
!isSubpackageOf(headFQN) || headFQN.isRoot() -> this
this == headFQN -> FqName.ROOT
else -> FqName(asString().substring(headFQN.asString().length + 1))
!isSubpackageOf(prefix) || prefix.isRoot() -> this
this == prefix -> FqName.ROOT
else -> FqName(asString().substring(prefix.asString().length() + 1))
}
}
public fun FqName.isImported(importPath: ImportPath, skipAliasedImports: Boolean = true): Boolean {
return when {
skipAliasedImports && importPath.hasAlias() -> false
importPath.isAllUnder() && !isRoot() -> importPath.fqnPart() == this.parent()
else -> importPath.fqnPart() == this
}
}
public fun ImportPath.isImported(alreadyImported: ImportPath): Boolean {
return if (isAllUnder() || hasAlias()) this == alreadyImported else fqnPart().isImported(alreadyImported)
}
public fun ImportPath.isImported(imports: Iterable<ImportPath>): Boolean = imports.any { isImported(it) }
// Check that it is javaName(\.javaName)* or an empty string
private enum class State {
BEGINNING
MIDDLE
AFTER_DOT
}
// Check that it is javaName(\.javaName)* or an empty string
public fun isValidJavaFqName(qualifiedName: String?): Boolean {
if (qualifiedName == null) return false
@@ -98,22 +76,3 @@ public fun isValidJavaFqName(qualifiedName: String?): Boolean {
return state != State.AFTER_DOT
}
public fun FqName.getFirstSegment(): Name = this.pathSegments().first()
tailRecursive
public fun FqName.each(operation: (FqName) -> Boolean) {
if (operation(this) && !isRoot()) {
parent().each(operation)
}
}
private fun isSubpackageOf(subpackageNameStr: String, packageNameStr: String): Boolean {
return subpackageNameStr == packageNameStr ||
(subpackageNameStr.startsWith(packageNameStr) && subpackageNameStr[packageNameStr.length()] == '.')
}
private fun getFirstSegment(fqn: String): String {
val dotIndex = fqn.indexOf('.')
return if ((dotIndex != -1)) fqn.substring(0, dotIndex) else fqn
}