org.jetbrains.kotlinx.jupyter.repl.resultsRendering.kt Maven / Gradle / Ivy

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Implementation of REPL compiler and preprocessor for Jupyter dialect of Kotlin (IDE-compatible)

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package org.jetbrains.kotlinx.jupyter.repl

import org.jetbrains.kotlinx.jupyter.api.DisplayResult
import org.jetbrains.kotlinx.jupyter.api.Renderable
import org.jetbrains.kotlinx.jupyter.api.libraries.ExecutionHost
import org.jetbrains.kotlinx.jupyter.api.textResult
import org.jetbrains.kotlinx.jupyter.repl.notebook.MutableNotebook

fun renderValue(notebook: MutableNotebook, executor: ExecutionHost, value: Any?): DisplayResult? {
    return notebook.postRender(notebook.renderersProcessor.renderValue(executor, value))
}

fun MutableNotebook.postRender(value: Any?): DisplayResult? {
    fun renderAsText(obj: Any?): String = textRenderersProcessor.renderPreventingRecursion(obj)
    return when (value) {
        null -> textResult(renderAsText(null))
        is DisplayResult -> value
        is Renderable -> value.render(this)
        is Unit -> null
        else -> textResult(renderAsText(value))
    }
}