Add Kotlin and Java API for online punctuation models (#1936)

sherpa-onnx/kotlin-api/OnlinePunctuation.kt

@@ -0,0 +1,61 @@
+package com.k2fsa.sherpa.onnx
+
+import android.content.res.AssetManager
+
+data class OnlinePunctuationModelConfig(
+    var cnnBilstm: String = "",
+    var bpeVocab: String = "",
+    var numThreads: Int = 1,
+    var debug: Boolean = false,
+    var provider: String = "cpu",
+)
+
+
+data class OnlinePunctuationConfig(
+    var model: OnlinePunctuationModelConfig,
+)
+
+class OnlinePunctuation(
+    assetManager: AssetManager? = null,
+    config: OnlinePunctuationConfig,
+) {
+    private var ptr: Long
+
+    init {
+        ptr = if (assetManager != null) {
+            newFromAsset(assetManager, config)
+        } else {
+            newFromFile(config)
+        }
+    }
+
+    protected fun finalize() {
+        if (ptr != 0L) {
+            delete(ptr)
+            ptr = 0
+        }
+    }
+
+    fun release() = finalize()
+
+    fun addPunctuation(text: String) = addPunctuation(ptr, text)
+
+    private external fun delete(ptr: Long)
+
+    private external fun addPunctuation(ptr: Long, text: String): String
+
+    private external fun newFromAsset(
+        assetManager: AssetManager,
+        config: OnlinePunctuationConfig,
+    ): Long
+
+    private external fun newFromFile(
+        config: OnlinePunctuationConfig,
+    ): Long
+
+    companion object {
+        init {
+            System.loadLibrary("sherpa-onnx-jni")
+        }
+    }
+}