Add online punctuation and casing prediction model for English language (#1224)

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

@@ -0,0 +1,68 @@
+// sherpa-onnx/csrc/online-punctuation-model-config.cc
+//
+// Copyright (c) 2024 Jian You (jianyou@cisco.com, Cisco Systems)
+
+#include "sherpa-onnx/csrc/online-punctuation-model-config.h"
+
+#include "sherpa-onnx/csrc/file-utils.h"
+#include "sherpa-onnx/csrc/macros.h"
+
+namespace sherpa_onnx {
+
+void OnlinePunctuationModelConfig::Register(ParseOptions *po) {
+  po->Register("cnn-bilstm", &cnn_bilstm,
+               "Path to the light-weight CNN-BiLSTM model");
+
+  po->Register("bpe-vocab", &bpe_vocab,
+               "Path to the bpe vocab file");
+
+  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 OnlinePunctuationModelConfig::Validate() const {
+  if (cnn_bilstm.empty()) {
+    SHERPA_ONNX_LOGE("Please provide --cnn-bilstm");
+    return false;
+  }
+
+  if (!FileExists(cnn_bilstm)) {
+    SHERPA_ONNX_LOGE("--cnn-bilstm '%s' does not exist",
+                     cnn_bilstm.c_str());
+    return false;
+  }
+
+  if (bpe_vocab.empty()) {
+    SHERPA_ONNX_LOGE("Please provide --bpe-vocab");
+    return false;
+  }
+
+  if (!FileExists(bpe_vocab)) {
+    SHERPA_ONNX_LOGE("--bpe-vocab '%s' does not exist",
+                     bpe_vocab.c_str());
+    return false;
+  }
+
+  return true;
+}
+
+std::string OnlinePunctuationModelConfig::ToString() const {
+  std::ostringstream os;
+
+  os << "OnlinePunctuationModelConfig(";
+  os << "cnn_bilstm=\"" << cnn_bilstm << "\", ";
+  os << "bpe_vocab=\"" << bpe_vocab << "\", ";
+  os << "num_threads=" << num_threads << ", ";
+  os << "debug=" << (debug ? "True" : "False") << ", ";
+  os << "provider=\"" << provider << "\")";
+
+  return os.str();
+}
+
+}  // namespace sherpa_onnx