85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
// sherpa-onnx/csrc/file-utils.cc
|
|
//
|
|
// Copyright (c) 2022-2023 Xiaomi Corporation
|
|
|
|
#include "sherpa-onnx/csrc/file-utils.h"
|
|
|
|
#include <fstream>
|
|
#include <memory>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
#include "sherpa-onnx/csrc/macros.h"
|
|
|
|
namespace sherpa_onnx {
|
|
|
|
bool FileExists(const std::string &filename) {
|
|
return std::ifstream(filename).good();
|
|
}
|
|
|
|
void AssertFileExists(const std::string &filename) {
|
|
if (!FileExists(filename)) {
|
|
SHERPA_ONNX_LOGE("filename '%s' does not exist", filename.c_str());
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
std::vector<char> ReadFile(const std::string &filename) {
|
|
std::ifstream input(filename, std::ios::binary);
|
|
std::vector<char> buffer(std::istreambuf_iterator<char>(input), {});
|
|
return buffer;
|
|
}
|
|
|
|
#if __ANDROID_API__ >= 9
|
|
std::vector<char> ReadFile(AAssetManager *mgr, const std::string &filename) {
|
|
AAsset *asset = AAssetManager_open(mgr, filename.c_str(), AASSET_MODE_BUFFER);
|
|
if (!asset) {
|
|
__android_log_print(ANDROID_LOG_FATAL, "sherpa-onnx",
|
|
"Read binary file: Load %s failed", filename.c_str());
|
|
exit(-1);
|
|
}
|
|
|
|
auto p = reinterpret_cast<const char *>(AAsset_getBuffer(asset));
|
|
size_t asset_length = AAsset_getLength(asset);
|
|
|
|
std::vector<char> buffer(p, p + asset_length);
|
|
AAsset_close(asset);
|
|
|
|
return buffer;
|
|
}
|
|
#endif
|
|
|
|
#if __OHOS__
|
|
std::vector<char> ReadFile(NativeResourceManager *mgr,
|
|
const std::string &filename) {
|
|
std::unique_ptr<RawFile, decltype(&OH_ResourceManager_CloseRawFile)> fp(
|
|
OH_ResourceManager_OpenRawFile(mgr, filename.c_str()),
|
|
OH_ResourceManager_CloseRawFile);
|
|
|
|
if (!fp) {
|
|
std::ostringstream os;
|
|
os << "Read file '" << filename << "' failed.";
|
|
SHERPA_ONNX_LOGE("%s", os.str().c_str());
|
|
return {};
|
|
}
|
|
|
|
auto len = static_cast<int32_t>(OH_ResourceManager_GetRawFileSize(fp.get()));
|
|
|
|
std::vector<char> buffer(len);
|
|
|
|
int32_t n = OH_ResourceManager_ReadRawFile(fp.get(), buffer.data(), len);
|
|
|
|
if (n != len) {
|
|
std::ostringstream os;
|
|
os << "Read file '" << filename << "' failed. Number of bytes read: " << n
|
|
<< ". Expected bytes to read: " << len;
|
|
SHERPA_ONNX_LOGE("%s", os.str().c_str());
|
|
return {};
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
#endif
|
|
|
|
} // namespace sherpa_onnx
|