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add append methods for meta

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This commit is contained in:
Alexander Nozik 2021-07-30 19:56:31 +03:00
parent 5fbbac465a
commit 4a76063093
1 changed files with 10 additions and 4 deletions
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14
dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/MutableMeta.kt
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@ -384,19 +384,25 @@ private class MutableMetaImpl(
* Append the node with a same-name-sibling, automatically generating numerical index
*/
@DFExperimental
public fun MutableMeta.append(name: Name, value: Value?) {
public fun MutableMeta.append(name: Name, meta: Meta) {
require(!name.isEmpty()) { "Name could not be empty for append operation" }
val newIndex = name.lastOrNull()!!.index
if (newIndex != null) {
set(name, value)
set(name, meta)
} else {
val index = (getIndexed(name).keys.mapNotNull { it?.toIntOrNull() }.maxOrNull() ?: -1) + 1
set(name.withIndex(index.toString()), value)
set(name.withIndex(index.toString()), meta)
}
}
@DFExperimental
public fun MutableMeta.append(name: String, value: Value?): Unit = append(name.toName(), value)
public fun MutableMeta.append(name: String, meta: Meta): Unit = append(name.toName(), meta)
@DFExperimental
public fun MutableMeta.append(name: Name, value: Value): Unit = append(name, Meta(value))
@DFExperimental
public fun MutableMeta.append(name: String, value: Value): Unit = append(name.toName(), value)
///**
// * Apply existing node with given [builder] or create a new element with it.