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Add toString to Path

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This commit is contained in:
Alexander Nozik 2021-01-12 18:34:25 +03:00
parent b916a038f7
commit 3334380693
1 changed files with 15 additions and 15 deletions
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30
dataforge-context/src/commonMain/kotlin/hep/dataforge/provider/Path.kt
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@ -19,28 +19,15 @@ import hep.dataforge.names.Name
import hep.dataforge.names.toName
/**
*
*
* Path interface.
*
* @author Alexander Nozik
* @version $Id: $Id
*/
public inline class Path(public val tokens: List<PathToken>) : Iterable<PathToken> {
public val head: PathToken? get() = tokens.firstOrNull()
public val length: Int get() = tokens.size
/**
* Returns non-empty optional containing the chain without first segment in case of chain path.
*
* @return
*/
public val tail: Path? get() = if (tokens.isEmpty()) null else Path(tokens.drop(1))
override fun iterator(): Iterator<PathToken> = tokens.iterator()
override fun toString(): String = tokens.joinToString(separator = PATH_SEGMENT_SEPARATOR)
public companion object {
public const val PATH_SEGMENT_SEPARATOR: String = "/"
@ -52,6 +39,19 @@ public inline class Path(public val tokens: List<PathToken>) : Iterable<PathToke
}
}
public val Path.length: Int get() = tokens.size
public val Path.head: PathToken? get() = tokens.firstOrNull()
/**
* Returns non-empty optional containing the chain without first segment in case of chain path.
*
* @return
*/
public val Path.tail: Path? get() = if (tokens.isEmpty()) null else Path(tokens.drop(1))
public operator fun Path.plus(path: Path): Path = Path(this.tokens + path.tokens)
public data class PathToken(val name: Name, val target: String? = null) {