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