Support adding punctuations to the speech recogntion result (#761)

sherpa-onnx/csrc/offline-punctuation-model-config.cc

@@ -0,0 +1,53 @@
+// sherpa-onnx/csrc/offline-punctuation-model-config.cc
+//
+// Copyright (c)  2024  Xiaomi Corporation
+
+#include "sherpa-onnx/csrc/offline-punctuation-model-config.h"
+
+#include "sherpa-onnx/csrc/file-utils.h"
+#include "sherpa-onnx/csrc/macros.h"
+
+namespace sherpa_onnx {
+
+void OfflinePunctuationModelConfig::Register(ParseOptions *po) {
+  po->Register("ct-transformer", &ct_transformer,
+               "Path to the controllable time-delay (CT) transformer model");
+
+  po->Register("num-threads", &num_threads,
+               "Number of threads to run the neural network");
+
+  po->Register("debug", &debug,
+               "true to print model information while loading it.");
+
+  po->Register("provider", &provider,
+               "Specify a provider to use: cpu, cuda, coreml");
+}
+
+bool OfflinePunctuationModelConfig::Validate() const {
+  if (ct_transformer.empty()) {
+    SHERPA_ONNX_LOGE("Please provide --ct-transformer");
+    return false;
+  }
+
+  if (!FileExists(ct_transformer)) {
+    SHERPA_ONNX_LOGE("--ct-transformer %s does not exist",
+                     ct_transformer.c_str());
+    return false;
+  }
+
+  return true;
+}
+
+std::string OfflinePunctuationModelConfig::ToString() const {
+  std::ostringstream os;
+
+  os << "OfflinePunctuationModelConfig(";
+  os << "ct_transformer=\"" << ct_transformer << "\", ";
+  os << "num_threads=" << num_threads << ", ";
+  os << "debug=" << (debug ? "True" : "False") << ", ";
+  os << "provider=\"" << provider << "\")";
+
+  return os.str();
+}
+
+}  // namespace sherpa_onnx