Support replacing homonphonic phrases (#2153)

sherpa-onnx/csrc/jieba.cc

@@ -0,0 +1,32 @@
+// sherpa-onnx/csrc/jieba.cc
+//
+// Copyright (c)  2025  Xiaomi Corporation
+
+#include "sherpa-onnx/csrc/jieba.h"
+
+#include "sherpa-onnx/csrc/file-utils.h"
+
+namespace sherpa_onnx {
+
+std::unique_ptr<cppjieba::Jieba> InitJieba(const std::string &dict_dir) {
+  if (dict_dir.empty()) {
+    return {};
+  }
+
+  std::string dict = dict_dir + "/jieba.dict.utf8";
+  std::string hmm = dict_dir + "/hmm_model.utf8";
+  std::string user_dict = dict_dir + "/user.dict.utf8";
+  std::string idf = dict_dir + "/idf.utf8";
+  std::string stop_word = dict_dir + "/stop_words.utf8";
+
+  AssertFileExists(dict);
+  AssertFileExists(hmm);
+  AssertFileExists(user_dict);
+  AssertFileExists(idf);
+  AssertFileExists(stop_word);
+
+  return std::make_unique<cppjieba::Jieba>(dict, hmm, user_dict, idf,
+                                           stop_word);
+}
+
+}  // namespace sherpa_onnx