Replace missing query by null in NameToken
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c3d4836a11
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4fde6c4a48
@ -21,7 +21,7 @@ class MetaSerializerTest {
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fun testMetaSerialization() {
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val string = JSON_PRETTY.stringify(MetaSerializer, meta)
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val restored = JSON_PLAIN.parse(MetaSerializer, string)
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assertEquals(restored, meta)
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assertEquals(meta, restored)
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}
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@Test
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@ -29,7 +29,7 @@ class MetaSerializerTest {
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val bytes = Cbor.dump(MetaSerializer, meta)
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println(bytes.contentToString())
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val restored = Cbor.load(MetaSerializer, bytes)
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assertEquals(restored, meta)
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assertEquals(meta, restored)
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}
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@Test
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@ -37,7 +37,7 @@ class MetaSerializerTest {
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val name = "a.b.c".toName()
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val string = JSON_PRETTY.stringify(Name.serializer(), name)
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val restored = JSON_PLAIN.parse(Name.serializer(), string)
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assertEquals(restored, name)
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assertEquals(name, restored)
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}
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@Test
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@ -26,7 +26,7 @@ interface Configurable : Described, MutableItemProvider {
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fun getDefaultItem(name: Name): MetaItem<*>? = null
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/**
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* Check if property with given [name] could be assigned to [value]
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* Check if property with given [name] could be assigned to [item]
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*/
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fun validateItem(name: Name, item: MetaItem<*>?): Boolean {
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val descriptor = descriptor?.get(name)
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@ -8,7 +8,7 @@ import kotlin.properties.ReadOnlyProperty
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import kotlin.reflect.KProperty
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/* Meta delegates */
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//TODO to be replaced in 1.4 by interfaces
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open class ItemDelegate(
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open val owner: ItemProvider,
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val key: Name? = null,
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@ -52,7 +52,7 @@ private fun Meta.toJsonWithIndex(descriptor: NodeDescriptor?, indexValue: String
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fun addElement(key: String) {
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val itemDescriptor = descriptor?.items?.get(key)
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val jsonKey = key.toJsonKey(itemDescriptor)
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val items: Map<String, MetaItem<*>> = getIndexed(key)
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val items: Map<String?, MetaItem<*>> = getIndexed(key)
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when (items.size) {
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0 -> {
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//do nothing
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@ -94,7 +94,11 @@ fun JsonPrimitive.toValue(descriptor: ValueDescriptor?): Value {
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true -> True
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false -> False
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is Number -> NumberValue(body as Number)
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else -> StringValue(content)
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else -> if (isString) {
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StringValue(content)
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} else {
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content.parseValue()
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}
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}
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}
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}
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@ -174,7 +178,7 @@ class JsonMeta(val json: JsonObject, val descriptor: NodeDescriptor? = null) : M
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override val items: Map<NameToken, MetaItem<JsonMeta>> by lazy(::buildItems)
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companion object{
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companion object {
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/**
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* A key representing top-level json array of nodes, which could not be directly represented by a meta node
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*/
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@ -71,6 +71,7 @@ inline fun <reified M : MutableMeta<M>> M.node(key: Name? = null): ReadWriteProp
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item(key).convert(reader = { it?.let { it.node as M } }, writer = { it?.let { MetaItem.NodeItem(it) } })
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@Deprecated("To be replaced by a converter")
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fun <T> MutableItemProvider.item(
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default: T? = null,
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key: Name? = null,
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@ -85,20 +86,6 @@ fun <T> MutableItemProvider.item(
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fun Configurable.value(key: Name? = null): ReadWriteProperty<Any?, Value?> =
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item(key).convert(MetaConverter.value)
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fun <T> MutableItemProvider.value(
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default: T? = null,
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key: Name? = null,
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writer: (T) -> Value? = { Value.of(it) },
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reader: (Value?) -> T
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): ReadWriteProperty<Any?, T> = MutableItemDelegate(
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this,
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key,
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default?.let { MetaItem.of(it) }
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).convert(
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reader = { reader(it.value) },
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writer = { value -> writer(value)?.let { MetaItem.ValueItem(it) } }
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)
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/* Number delegates*/
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fun MutableItemProvider.int(key: Name? = null): ReadWriteProperty<Any?, Int?> =
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@ -160,7 +160,7 @@ operator fun MutableMeta<*>.set(name: String, metas: Iterable<Meta>): Unit = set
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fun <M : MutableMeta<M>> M.append(name: Name, value: Any?) {
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require(!name.isEmpty()) { "Name could not be empty for append operation" }
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val newIndex = name.last()!!.index
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if (newIndex.isNotEmpty()) {
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if (newIndex != null) {
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set(name, value)
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} else {
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val index = (getIndexed(name).keys.mapNotNull { it.toIntOrNull() }.max() ?: -1) + 1
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@ -7,23 +7,25 @@ import hep.dataforge.names.toName
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* Get all items matching given name. The index of the last element, if present is used as a [Regex],
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* against which indexes of elements are matched.
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*/
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fun Meta.getIndexed(name: Name): Map<String, MetaItem<*>> {
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fun Meta.getIndexed(name: Name): Map<String?, MetaItem<*>> {
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val root = when (name.length) {
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0 -> error("Can't use empty name for 'getIndexed'")
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1 -> this
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else -> this[name.cutLast()].node
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else -> this[name.cutLast()].node ?: return emptyMap()
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}
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val (body, index) = name.last()!!
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val regex = index.toRegex()
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return root?.items
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?.filter { it.key.body == body && (index.isEmpty() || regex.matches(it.key.index)) }
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?.mapKeys { it.key.index }
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?: emptyMap()
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return if (index == null) {
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root.items.filter { it.key.body == body }.mapKeys { it.key.index }
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} else {
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val regex = index.toRegex()
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root.items
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.filter { it.key.body == body && (regex.matches(it.key.index ?: "")) }
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.mapKeys { it.key.index }
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}
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}
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fun Meta.getIndexed(name: String): Map<String, MetaItem<*>> = this@getIndexed.getIndexed(name.toName())
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fun Meta.getIndexed(name: String): Map<String?, MetaItem<*>> = this@getIndexed.getIndexed(name.toName())
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/**
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* Get all items matching given name.
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@ -78,7 +78,7 @@ class Name(val tokens: List<NameToken>) {
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* A name token could have appendix in square brackets called *index*
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*/
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@Serializable
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data class NameToken(val body: String, val index: String = "") {
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data class NameToken(val body: String, val index: String? = null) {
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init {
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if (body.isEmpty()) error("Syntax error: Name token body is empty")
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@ -96,7 +96,7 @@ data class NameToken(val body: String, val index: String = "") {
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body.escape()
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}
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fun hasIndex() = index.isNotEmpty()
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fun hasIndex() = index != null
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@Serializer(NameToken::class)
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companion object : KSerializer<NameToken> {
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@ -150,7 +150,8 @@ fun String.toName(): Name {
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}
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else -> when (it) {
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'.' -> {
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yield(NameToken(bodyBuilder.toString(), queryBuilder.toString()))
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val query = if(queryBuilder.isEmpty()) null else queryBuilder.toString()
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yield(NameToken(bodyBuilder.toString(), query))
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bodyBuilder = StringBuilder()
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queryBuilder = StringBuilder()
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}
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@ -163,7 +164,8 @@ fun String.toName(): Name {
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}
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}
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}
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yield(NameToken(bodyBuilder.toString(), queryBuilder.toString()))
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val query = if(queryBuilder.isEmpty()) null else queryBuilder.toString()
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yield(NameToken(bodyBuilder.toString(), query))
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}
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return Name(tokens.toList())
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}
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@ -206,7 +208,7 @@ fun Name.withIndex(index: String): Name {
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/**
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* Fast [String]-based accessor for item map
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*/
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operator fun <T> Map<NameToken, T>.get(body: String, query: String = ""): T? = get(NameToken(body, query))
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operator fun <T> Map<NameToken, T>.get(body: String, query: String? = null): T? = get(NameToken(body, query))
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operator fun <T> Map<Name, T>.get(name: String) = get(name.toName())
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operator fun <T> MutableMap<Name, T>.set(name: String, value: T) = set(name.toName(), value)
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@ -34,7 +34,7 @@ suspend fun Table<Value>.wrap(): Envelope = Envelope {
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@ExperimentalIoApi
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fun TextRows.Companion.readEnvelope(envelope: Envelope): TextRows {
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val header = envelope.meta.getIndexed("column")
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.entries.sortedBy { it.key.toInt() }
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.entries.sortedBy { it.key?.toInt() }
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.map { (_, item) ->
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SimpleColumnHeader(item.node["name"].string!!, Value::class, item.node["meta"].node ?: Meta.EMPTY)
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}
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