Support paraformer. (#95)

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

@@ -0,0 +1,57 @@
+// sherpa-onnx/csrc/offline-model-config.cc
+//
+// Copyright (c)  2023  Xiaomi Corporation
+#include "sherpa-onnx/csrc/offline-model-config.h"
+
+#include <string>
+
+#include "sherpa-onnx/csrc/file-utils.h"
+#include "sherpa-onnx/csrc/macros.h"
+
+namespace sherpa_onnx {
+
+void OfflineModelConfig::Register(ParseOptions *po) {
+  transducer.Register(po);
+  paraformer.Register(po);
+
+  po->Register("tokens", &tokens, "Path to tokens.txt");
+
+  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.");
+}
+
+bool OfflineModelConfig::Validate() const {
+  if (num_threads < 1) {
+    SHERPA_ONNX_LOGE("num_threads should be > 0. Given %d", num_threads);
+    return false;
+  }
+
+  if (!FileExists(tokens)) {
+    SHERPA_ONNX_LOGE("%s does not exist", tokens.c_str());
+    return false;
+  }
+
+  if (!paraformer.model.empty()) {
+    return paraformer.Validate();
+  }
+
+  return transducer.Validate();
+}
+
+std::string OfflineModelConfig::ToString() const {
+  std::ostringstream os;
+
+  os << "OfflineModelConfig(";
+  os << "transducer=" << transducer.ToString() << ", ";
+  os << "paraformer=" << paraformer.ToString() << ", ";
+  os << "tokens=\"" << tokens << "\", ";
+  os << "num_threads=" << num_threads << ", ";
+  os << "debug=" << (debug ? "True" : "False") << ")";
+
+  return os.str();
+}
+
+}  // namespace sherpa_onnx