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0001 // Copyright (c) Microsoft Corporation. All rights reserved.
0002 // Licensed under the MIT License.
0003 
0004 // Do not include this file directly. Please include "onnxruntime_cxx_api.h" instead.
0005 // If interested in trying out features of the new experimental C++ API, include "experimental_onnxruntime_cxx_api.h" instead.
0006 //
0007 // These are the inline implementations of the C++ header APIs. They're in this separate file as to not clutter
0008 // the main C++ file with implementation details.
0009 
0010 #include <algorithm>
0011 #include <functional>
0012 #include <iterator>
0013 #include <string>
0014 #include <type_traits>
0015 #include <vector>
0016 
0017 // Convert OrtStatus to Ort::Status and return
0018 // instead of throwing
0019 #define ORT_CXX_RETURN_ON_API_FAIL(expression) \
0020   {                                            \
0021     auto ort_status = (expression);            \
0022     if (ort_status) {                          \
0023       return Ort::Status(ort_status);          \
0024     }                                          \
0025   }
0026 
0027 #ifdef __cpp_if_constexpr
0028 #define ORT_CXX_IF_CONSTEXPR if constexpr
0029 #else
0030 #define ORT_CXX_IF_CONSTEXPR if
0031 #endif
0032 
0033 namespace Ort {
0034 
0035 namespace detail {
0036 inline void ThrowStatus(const Status& st) {
0037   std::string error_message = st.GetErrorMessage();
0038   OrtErrorCode error_code = st.GetErrorCode();
0039   ORT_CXX_API_THROW(std::move(error_message), error_code);
0040 }
0041 }  // namespace detail
0042 
0043 inline void ThrowOnError(OrtStatus* ort_status) {
0044   if (ort_status) {
0045     Ort::Status st(ort_status);
0046     detail::ThrowStatus(st);
0047   }
0048 }
0049 
0050 inline void ThrowOnError(const Status& st) {
0051   if (st) {
0052     detail::ThrowStatus(st);
0053   }
0054 }
0055 
0056 inline Status::Status(OrtStatus* status) noexcept : detail::Base<OrtStatus>{status} {
0057 }
0058 
0059 inline Status::Status(const std::exception& e) noexcept {
0060   p_ = GetApi().CreateStatus(ORT_FAIL, e.what());
0061 }
0062 
0063 inline Status::Status(const Exception& e) noexcept {
0064   p_ = GetApi().CreateStatus(e.GetOrtErrorCode(), e.what());
0065 }
0066 
0067 inline Status::Status(const char* message, OrtErrorCode code) noexcept {
0068   p_ = GetApi().CreateStatus(code, message);
0069 }
0070 
0071 inline std::string Status::GetErrorMessage() const {
0072   std::string message(GetApi().GetErrorMessage(p_));
0073   return message;
0074 }
0075 
0076 inline OrtErrorCode Status::GetErrorCode() const {
0077   return GetApi().GetErrorCode(p_);
0078 }
0079 
0080 inline bool Status::IsOK() const noexcept {
0081   return (p_ == nullptr);
0082 }
0083 
0084 // This template converts a C++ type into it's ONNXTensorElementDataType
0085 template <typename T>
0086 struct TypeToTensorType;
0087 template <>
0088 struct TypeToTensorType<float> {
0089   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT;
0090 };
0091 template <>
0092 struct TypeToTensorType<Float16_t> {
0093   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT16;
0094 };
0095 template <>
0096 struct TypeToTensorType<BFloat16_t> {
0097   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_BFLOAT16;
0098 };
0099 template <>
0100 struct TypeToTensorType<double> {
0101   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_DOUBLE;
0102 };
0103 template <>
0104 struct TypeToTensorType<int8_t> {
0105   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT8;
0106 };
0107 template <>
0108 struct TypeToTensorType<int16_t> {
0109   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT16;
0110 };
0111 template <>
0112 struct TypeToTensorType<int32_t> {
0113   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT32;
0114 };
0115 template <>
0116 struct TypeToTensorType<int64_t> {
0117   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_INT64;
0118 };
0119 template <>
0120 struct TypeToTensorType<uint8_t> {
0121   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT8;
0122 };
0123 template <>
0124 struct TypeToTensorType<uint16_t> {
0125   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT16;
0126 };
0127 template <>
0128 struct TypeToTensorType<uint32_t> {
0129   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT32;
0130 };
0131 template <>
0132 struct TypeToTensorType<uint64_t> {
0133   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_UINT64;
0134 };
0135 template <>
0136 struct TypeToTensorType<bool> {
0137   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_BOOL;
0138 };
0139 
0140 template <>
0141 struct TypeToTensorType<Float8E4M3FN_t> {
0142   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E4M3FN;
0143 };
0144 template <>
0145 struct TypeToTensorType<Float8E4M3FNUZ_t> {
0146   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E4M3FNUZ;
0147 };
0148 template <>
0149 struct TypeToTensorType<Float8E5M2_t> {
0150   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E5M2;
0151 };
0152 template <>
0153 struct TypeToTensorType<Float8E5M2FNUZ_t> {
0154   static constexpr ONNXTensorElementDataType type = ONNX_TENSOR_ELEMENT_DATA_TYPE_FLOAT8E5M2FNUZ;
0155 };
0156 
0157 inline bool BFloat16_t::operator==(const BFloat16_t& rhs) const noexcept {
0158   if (IsNaN() || rhs.IsNaN()) {
0159     // IEEE defines that NaN is not equal to anything, including itself.
0160     return false;
0161   }
0162   return val == rhs.val;
0163 }
0164 
0165 inline bool BFloat16_t::operator<(const BFloat16_t& rhs) const noexcept {
0166   if (IsNaN() || rhs.IsNaN()) {
0167     // IEEE defines that NaN is unordered with respect to everything, including itself.
0168     return false;
0169   }
0170 
0171   const bool left_is_negative = IsNegative();
0172   if (left_is_negative != rhs.IsNegative()) {
0173     // When the signs of left and right differ, we know that left is less than right if it is
0174     // the negative value. The exception to this is if both values are zero, in which case IEEE
0175     // says they should be equal, even if the signs differ.
0176     return left_is_negative && !AreZero(*this, rhs);
0177   }
0178   return (val != rhs.val) && ((val < rhs.val) ^ left_is_negative);
0179 }
0180 
0181 inline MemoryAllocation::MemoryAllocation(OrtAllocator* allocator, void* p, size_t size)
0182     : allocator_(allocator), p_(p), size_(size) {
0183 }
0184 
0185 inline MemoryAllocation::~MemoryAllocation() {
0186   if (p_ != nullptr) {
0187     // We do not throw out of destructor
0188     auto ret = GetApi().AllocatorFree(allocator_, p_);
0189     static_cast<void>(ret);
0190   }
0191 }
0192 
0193 inline MemoryAllocation::MemoryAllocation(MemoryAllocation&& o) noexcept : allocator_(nullptr), p_(nullptr), size_(0) {
0194   *this = std::move(o);
0195 }
0196 
0197 inline MemoryAllocation& MemoryAllocation::operator=(MemoryAllocation&& o) noexcept {
0198   OrtAllocator* alloc = nullptr;
0199   void* p = nullptr;
0200   size_t sz = 0;
0201 
0202   // Swap out this
0203   std::swap(alloc, allocator_);
0204   std::swap(p, p_);
0205   std::swap(sz, size_);
0206 
0207   // Swap with incoming
0208   std::swap(allocator_, o.allocator_);
0209   std::swap(p_, o.p_);
0210   std::swap(size_, o.size_);
0211 
0212   // Destroy this instance if needed
0213   MemoryAllocation this_alloc(alloc, p, sz);
0214   return *this;
0215 }
0216 
0217 namespace detail {
0218 
0219 template <typename T>
0220 inline void* AllocatorImpl<T>::Alloc(size_t size) {
0221   void* out;
0222   ThrowOnError(GetApi().AllocatorAlloc(this->p_, size, &out));
0223   return out;
0224 }
0225 
0226 template <typename T>
0227 inline MemoryAllocation AllocatorImpl<T>::GetAllocation(size_t size) {
0228   void* out;
0229   ThrowOnError(GetApi().AllocatorAlloc(this->p_, size, &out));
0230   MemoryAllocation result(this->p_, out, size);
0231   return result;
0232 }
0233 
0234 template <typename T>
0235 inline void AllocatorImpl<T>::Free(void* p) {
0236   ThrowOnError(GetApi().AllocatorFree(this->p_, p));
0237 }
0238 
0239 template <typename T>
0240 inline ConstMemoryInfo AllocatorImpl<T>::GetInfo() const {
0241   const OrtMemoryInfo* out;
0242   ThrowOnError(GetApi().AllocatorGetInfo(this->p_, &out));
0243   return ConstMemoryInfo{out};
0244 }
0245 
0246 }  // namespace detail
0247 
0248 inline AllocatorWithDefaultOptions::AllocatorWithDefaultOptions() {
0249   ThrowOnError(GetApi().GetAllocatorWithDefaultOptions(&this->p_));
0250 }
0251 
0252 inline Allocator::Allocator(const Session& sess, const OrtMemoryInfo* mem_info) {
0253   ThrowOnError(GetApi().CreateAllocator(sess, mem_info, &this->p_));
0254 }
0255 
0256 namespace detail {
0257 
0258 template <typename T>
0259 inline std::string MemoryInfoImpl<T>::GetAllocatorName() const {
0260   const char* name = nullptr;
0261   ThrowOnError(GetApi().MemoryInfoGetName(this->p_, &name));
0262   return std::string(name);
0263 }
0264 
0265 template <typename T>
0266 inline OrtAllocatorType MemoryInfoImpl<T>::GetAllocatorType() const {
0267   OrtAllocatorType type;
0268   ThrowOnError(GetApi().MemoryInfoGetType(this->p_, &type));
0269   return type;
0270 }
0271 
0272 template <typename T>
0273 inline int MemoryInfoImpl<T>::GetDeviceId() const {
0274   int id = 0;
0275   ThrowOnError(GetApi().MemoryInfoGetId(this->p_, &id));
0276   return id;
0277 }
0278 
0279 template <typename T>
0280 inline OrtMemoryInfoDeviceType MemoryInfoImpl<T>::GetDeviceType() const {
0281   OrtMemoryInfoDeviceType type;
0282   GetApi().MemoryInfoGetDeviceType(this->p_, &type);
0283   return type;
0284 }
0285 
0286 template <typename T>
0287 inline OrtMemType MemoryInfoImpl<T>::GetMemoryType() const {
0288   OrtMemType type;
0289   ThrowOnError(GetApi().MemoryInfoGetMemType(this->p_, &type));
0290   return type;
0291 }
0292 
0293 template <typename T>
0294 template <typename U>
0295 inline bool MemoryInfoImpl<T>::operator==(const MemoryInfoImpl<U>& o) const {
0296   int comp_result = 0;
0297   ThrowOnError(Ort::GetApi().CompareMemoryInfo(this->p_, o, &comp_result));
0298   return comp_result == 0;
0299 }
0300 
0301 }  // namespace detail
0302 
0303 inline MemoryInfo MemoryInfo::CreateCpu(OrtAllocatorType type, OrtMemType mem_type) {
0304   OrtMemoryInfo* p;
0305   ThrowOnError(GetApi().CreateCpuMemoryInfo(type, mem_type, &p));
0306   return MemoryInfo(p);
0307 }
0308 
0309 inline MemoryInfo::MemoryInfo(const char* name, OrtAllocatorType type, int id, OrtMemType mem_type) {
0310   ThrowOnError(GetApi().CreateMemoryInfo(name, type, id, mem_type, &this->p_));
0311 }
0312 
0313 namespace detail {
0314 template <typename T>
0315 inline std::vector<std::string> ConstIoBindingImpl<T>::GetOutputNames() const {
0316   AllocatorWithDefaultOptions allocator;
0317   return binding_utils::GetOutputNamesHelper(this->p_, allocator);
0318 }
0319 
0320 template <typename T>
0321 inline std::vector<std::string> ConstIoBindingImpl<T>::GetOutputNames(OrtAllocator* allocator) const {
0322   return binding_utils::GetOutputNamesHelper(this->p_, allocator);
0323 }
0324 
0325 template <typename T>
0326 inline std::vector<Value> ConstIoBindingImpl<T>::GetOutputValues() const {
0327   AllocatorWithDefaultOptions allocator;
0328   return binding_utils::GetOutputValuesHelper(this->p_, allocator);
0329 }
0330 
0331 template <typename T>
0332 inline std::vector<Value> ConstIoBindingImpl<T>::GetOutputValues(OrtAllocator* allocator) const {
0333   return binding_utils::GetOutputValuesHelper(this->p_, allocator);
0334 }
0335 
0336 template <typename T>
0337 inline void IoBindingImpl<T>::BindInput(const char* name, const Value& value) {
0338   ThrowOnError(GetApi().BindInput(this->p_, name, value));
0339 }
0340 
0341 template <typename T>
0342 inline void IoBindingImpl<T>::BindOutput(const char* name, const Value& value) {
0343   ThrowOnError(GetApi().BindOutput(this->p_, name, value));
0344 }
0345 
0346 template <typename T>
0347 inline void IoBindingImpl<T>::BindOutput(const char* name, const OrtMemoryInfo* mem_info) {
0348   ThrowOnError(GetApi().BindOutputToDevice(this->p_, name, mem_info));
0349 }
0350 
0351 template <typename T>
0352 inline void IoBindingImpl<T>::ClearBoundInputs() {
0353   GetApi().ClearBoundInputs(this->p_);
0354 }
0355 
0356 template <typename T>
0357 inline void IoBindingImpl<T>::ClearBoundOutputs() {
0358   GetApi().ClearBoundOutputs(this->p_);
0359 }
0360 
0361 template <typename T>
0362 inline void IoBindingImpl<T>::SynchronizeInputs() {
0363   ThrowOnError(GetApi().SynchronizeBoundInputs(this->p_));
0364 }
0365 
0366 template <typename T>
0367 inline void IoBindingImpl<T>::SynchronizeOutputs() {
0368   ThrowOnError(GetApi().SynchronizeBoundOutputs(this->p_));
0369 }
0370 
0371 namespace binding_utils {
0372 inline std::vector<std::string> GetOutputNamesHelper(const OrtIoBinding* binding, OrtAllocator* allocator) {
0373   std::vector<std::string> result;
0374   auto free_fn = detail::AllocatedFree(allocator);
0375   using Ptr = std::unique_ptr<void, decltype(free_fn)>;
0376 
0377   char* buffer = nullptr;
0378   size_t* lengths = nullptr;
0379   size_t count = 0;
0380   ThrowOnError(GetApi().GetBoundOutputNames(binding, allocator, &buffer, &lengths, &count));
0381 
0382   if (count == 0) {
0383     return result;
0384   }
0385 
0386   Ptr buffer_g(buffer, free_fn);
0387   Ptr lengths_g(lengths, free_fn);
0388 
0389   result.reserve(count);
0390   for (size_t i = 0; i < count; ++i) {
0391     auto sz = *lengths;
0392     result.emplace_back(buffer, sz);
0393     buffer += sz;
0394     ++lengths;
0395   }
0396   return result;
0397 }
0398 
0399 inline std::vector<Value> GetOutputValuesHelper(const OrtIoBinding* binding, OrtAllocator* allocator) {
0400   std::vector<Value> result;
0401   size_t owned = 0;
0402   size_t output_count = 0;
0403   // Lambda to release the buffer when no longer needed and
0404   // make sure that we destroy all instances on exception
0405   auto free_fn = [&owned, &output_count, allocator](OrtValue** buffer) {
0406     if (buffer) {
0407       while (owned < output_count) {
0408         auto* p = buffer + owned++;
0409         GetApi().ReleaseValue(*p);
0410       }
0411       allocator->Free(allocator, buffer);
0412     }
0413   };
0414   using Ptr = std::unique_ptr<OrtValue*, decltype(free_fn)>;
0415 
0416   OrtValue** output_buffer = nullptr;
0417   ThrowOnError(GetApi().GetBoundOutputValues(binding, allocator, &output_buffer, &output_count));
0418   if (output_count == 0) {
0419     return result;
0420   }
0421 
0422   Ptr buffer_g(output_buffer, free_fn);
0423 
0424   result.reserve(output_count);
0425   for (size_t i = 0; i < output_count; ++i) {
0426     result.emplace_back(output_buffer[i]);
0427     ++owned;
0428   }
0429   return result;
0430 }
0431 
0432 }  // namespace binding_utils
0433 }  // namespace detail
0434 
0435 inline IoBinding::IoBinding(Session& session) {
0436   ThrowOnError(GetApi().CreateIoBinding(session, &this->p_));
0437 }
0438 
0439 inline ArenaCfg::ArenaCfg(size_t max_mem, int arena_extend_strategy, int initial_chunk_size_bytes, int max_dead_bytes_per_chunk) {
0440   ThrowOnError(GetApi().CreateArenaCfg(max_mem, arena_extend_strategy, initial_chunk_size_bytes, max_dead_bytes_per_chunk, &p_));
0441 }
0442 
0443 inline ThreadingOptions::ThreadingOptions() {
0444   ThrowOnError(GetApi().CreateThreadingOptions(&p_));
0445 }
0446 
0447 inline ThreadingOptions& ThreadingOptions::SetGlobalIntraOpNumThreads(int intra_op_num_threads) {
0448   ThrowOnError(GetApi().SetGlobalIntraOpNumThreads(p_, intra_op_num_threads));
0449   return *this;
0450 }
0451 
0452 inline ThreadingOptions& ThreadingOptions::SetGlobalInterOpNumThreads(int inter_op_num_threads) {
0453   ThrowOnError(GetApi().SetGlobalInterOpNumThreads(p_, inter_op_num_threads));
0454   return *this;
0455 }
0456 
0457 inline ThreadingOptions& ThreadingOptions::SetGlobalSpinControl(int allow_spinning) {
0458   ThrowOnError(GetApi().SetGlobalSpinControl(p_, allow_spinning));
0459   return *this;
0460 }
0461 
0462 inline ThreadingOptions& ThreadingOptions::SetGlobalDenormalAsZero() {
0463   ThrowOnError(GetApi().SetGlobalDenormalAsZero(p_));
0464   return *this;
0465 }
0466 
0467 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomCreateThreadFn(OrtCustomCreateThreadFn ort_custom_create_thread_fn) {
0468   ThrowOnError(GetApi().SetGlobalCustomCreateThreadFn(p_, ort_custom_create_thread_fn));
0469   return *this;
0470 }
0471 
0472 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomThreadCreationOptions(void* ort_custom_thread_creation_options) {
0473   ThrowOnError(GetApi().SetGlobalCustomThreadCreationOptions(p_, ort_custom_thread_creation_options));
0474   return *this;
0475 }
0476 
0477 inline ThreadingOptions& ThreadingOptions::SetGlobalCustomJoinThreadFn(OrtCustomJoinThreadFn ort_custom_join_thread_fn) {
0478   ThrowOnError(GetApi().SetGlobalCustomJoinThreadFn(p_, ort_custom_join_thread_fn));
0479   return *this;
0480 }
0481 
0482 namespace detail {
0483 template <typename T>
0484 inline const char* KeyValuePairsImpl<T>::GetValue(const char* key) const {
0485   return GetApi().GetKeyValue(this->p_, key);
0486 }
0487 
0488 template <typename T>
0489 inline std::unordered_map<std::string, std::string> KeyValuePairsImpl<T>::GetKeyValuePairs() const {
0490   std::unordered_map<std::string, std::string> out;
0491 
0492   size_t num_pairs = 0;
0493   const char* const* keys = nullptr;
0494   const char* const* values = nullptr;
0495   GetApi().GetKeyValuePairs(this->p_, &keys, &values, &num_pairs);
0496   if (num_pairs > 0) {
0497     out.reserve(num_pairs);
0498     for (size_t i = 0; i < num_pairs; ++i) {
0499       out.emplace(keys[i], values[i]);
0500     }
0501   }
0502 
0503   return out;
0504 }
0505 
0506 template <typename T>
0507 inline void KeyValuePairsImpl<T>::GetKeyValuePairs(std::vector<const char*>& keys,
0508                                                    std::vector<const char*>& values) const {
0509   keys.clear();
0510   values.clear();
0511 
0512   size_t num_pairs = 0;
0513   const char* const* keys_ptr = nullptr;
0514   const char* const* values_ptr = nullptr;
0515   GetApi().GetKeyValuePairs(this->p_, &keys_ptr, &values_ptr, &num_pairs);
0516   if (num_pairs > 0) {
0517     keys.resize(num_pairs);
0518     values.resize(num_pairs);
0519     std::copy(keys_ptr, keys_ptr + num_pairs, keys.begin());
0520     std::copy(values_ptr, values_ptr + num_pairs, values.begin());
0521   }
0522 }
0523 }  // namespace detail
0524 
0525 inline KeyValuePairs::KeyValuePairs() {
0526   GetApi().CreateKeyValuePairs(&p_);
0527 }
0528 
0529 inline KeyValuePairs::KeyValuePairs(const std::unordered_map<std::string, std::string>& kv_pairs) {
0530   GetApi().CreateKeyValuePairs(&p_);
0531   for (const auto& kv : kv_pairs) {
0532     GetApi().AddKeyValuePair(this->p_, kv.first.c_str(), kv.second.c_str());
0533   }
0534 }
0535 
0536 inline void KeyValuePairs::Add(const char* key, const char* value) {
0537   GetApi().AddKeyValuePair(this->p_, key, value);
0538 }
0539 
0540 inline void KeyValuePairs::Remove(const char* key) {
0541   GetApi().RemoveKeyValuePair(this->p_, key);
0542 }
0543 
0544 namespace detail {
0545 template <typename T>
0546 inline OrtHardwareDeviceType HardwareDeviceImpl<T>::Type() const {
0547   return GetApi().HardwareDevice_Type(this->p_);
0548 }
0549 
0550 template <typename T>
0551 inline uint32_t HardwareDeviceImpl<T>::VendorId() const {
0552   return GetApi().HardwareDevice_VendorId(this->p_);
0553 }
0554 
0555 template <typename T>
0556 inline uint32_t HardwareDeviceImpl<T>::DeviceId() const {
0557   return GetApi().HardwareDevice_DeviceId(this->p_);
0558 }
0559 
0560 template <typename T>
0561 inline const char* HardwareDeviceImpl<T>::Vendor() const {
0562   return GetApi().HardwareDevice_Vendor(this->p_);
0563 }
0564 
0565 template <typename T>
0566 inline ConstKeyValuePairs HardwareDeviceImpl<T>::Metadata() const {
0567   return ConstKeyValuePairs{GetApi().HardwareDevice_Metadata(this->p_)};
0568 }
0569 
0570 template <typename T>
0571 inline const char* EpDeviceImpl<T>::EpName() const {
0572   return GetApi().EpDevice_EpName(this->p_);
0573 }
0574 
0575 template <typename T>
0576 inline const char* EpDeviceImpl<T>::EpVendor() const {
0577   return GetApi().EpDevice_EpVendor(this->p_);
0578 }
0579 
0580 template <typename T>
0581 inline ConstKeyValuePairs EpDeviceImpl<T>::EpMetadata() const {
0582   return ConstKeyValuePairs(GetApi().EpDevice_EpMetadata(this->p_));
0583 }
0584 
0585 template <typename T>
0586 inline ConstKeyValuePairs EpDeviceImpl<T>::EpOptions() const {
0587   return ConstKeyValuePairs(GetApi().EpDevice_EpOptions(this->p_));
0588 }
0589 
0590 template <typename T>
0591 inline ConstHardwareDevice EpDeviceImpl<T>::Device() const {
0592   return ConstHardwareDevice(GetApi().EpDevice_Device(this->p_));
0593 }
0594 }  // namespace detail
0595 
0596 inline EpDevice::EpDevice(OrtEpFactory& ep_factory, ConstHardwareDevice& hardware_device,
0597                           ConstKeyValuePairs ep_metadata, ConstKeyValuePairs ep_options) {
0598   ThrowOnError(GetEpApi().CreateEpDevice(&ep_factory, hardware_device, ep_metadata, ep_options, &p_));
0599 }
0600 
0601 inline Env::Env(OrtLoggingLevel logging_level, _In_ const char* logid) {
0602   ThrowOnError(GetApi().CreateEnv(logging_level, logid, &p_));
0603   if (strcmp(logid, "onnxruntime-node") == 0) {
0604     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
0605   } else {
0606     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
0607   }
0608 }
0609 
0610 inline Env::Env(OrtLoggingLevel logging_level, const char* logid, OrtLoggingFunction logging_function, void* logger_param) {
0611   ThrowOnError(GetApi().CreateEnvWithCustomLogger(logging_function, logger_param, logging_level, logid, &p_));
0612   if (strcmp(logid, "onnxruntime-node") == 0) {
0613     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
0614   } else {
0615     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
0616   }
0617 }
0618 
0619 inline Env::Env(const OrtThreadingOptions* tp_options, OrtLoggingLevel logging_level, _In_ const char* logid) {
0620   ThrowOnError(GetApi().CreateEnvWithGlobalThreadPools(logging_level, logid, tp_options, &p_));
0621   if (strcmp(logid, "onnxruntime-node") == 0) {
0622     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
0623   } else {
0624     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
0625   }
0626 }
0627 
0628 inline Env::Env(const OrtThreadingOptions* tp_options, OrtLoggingFunction logging_function, void* logger_param,
0629                 OrtLoggingLevel logging_level, _In_ const char* logid) {
0630   ThrowOnError(GetApi().CreateEnvWithCustomLoggerAndGlobalThreadPools(logging_function, logger_param, logging_level, logid, tp_options, &p_));
0631   if (strcmp(logid, "onnxruntime-node") == 0) {
0632     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_NODEJS));
0633   } else {
0634     ThrowOnError(GetApi().SetLanguageProjection(p_, OrtLanguageProjection::ORT_PROJECTION_CPLUSPLUS));
0635   }
0636 }
0637 
0638 inline Env& Env::EnableTelemetryEvents() {
0639   ThrowOnError(GetApi().EnableTelemetryEvents(p_));
0640   return *this;
0641 }
0642 
0643 inline Env& Env::DisableTelemetryEvents() {
0644   ThrowOnError(GetApi().DisableTelemetryEvents(p_));
0645   return *this;
0646 }
0647 
0648 inline Env& Env::UpdateEnvWithCustomLogLevel(OrtLoggingLevel log_severity_level) {
0649   ThrowOnError(GetApi().UpdateEnvWithCustomLogLevel(p_, log_severity_level));
0650   return *this;
0651 }
0652 
0653 inline Env& Env::CreateAndRegisterAllocator(const OrtMemoryInfo* mem_info, const OrtArenaCfg* arena_cfg) {
0654   ThrowOnError(GetApi().CreateAndRegisterAllocator(p_, mem_info, arena_cfg));
0655   return *this;
0656 }
0657 
0658 inline Env& Env::CreateAndRegisterAllocatorV2(const std::string& provider_type, const OrtMemoryInfo* mem_info, const std::unordered_map<std::string, std::string>& options, const OrtArenaCfg* arena_cfg) {
0659   std::vector<const char*> keys, values;
0660   auto num_entries = options.size();
0661   if (num_entries > 0) {
0662     keys.reserve(num_entries);
0663     values.reserve(num_entries);
0664     for (const auto& entry : options) {
0665       keys.push_back(entry.first.c_str());
0666       values.push_back(entry.second.c_str());
0667     }
0668   }
0669   ThrowOnError(GetApi().CreateAndRegisterAllocatorV2(p_, provider_type.c_str(), mem_info, arena_cfg, keys.data(), values.data(), num_entries));
0670   return *this;
0671 }
0672 
0673 inline Env& Env::RegisterExecutionProviderLibrary(const char* registration_name,
0674                                                   const std::basic_string<ORTCHAR_T>& path) {
0675   ThrowOnError(GetApi().RegisterExecutionProviderLibrary(p_, registration_name, path.c_str()));
0676   return *this;
0677 }
0678 
0679 inline Env& Env::UnregisterExecutionProviderLibrary(const char* registration_name) {
0680   ThrowOnError(GetApi().UnregisterExecutionProviderLibrary(p_, registration_name));
0681   return *this;
0682 }
0683 
0684 inline std::vector<ConstEpDevice> Env::GetEpDevices() const {
0685   size_t num_devices = 0;
0686   const OrtEpDevice* const* device_ptrs = nullptr;
0687   ThrowOnError(GetApi().GetEpDevices(p_, &device_ptrs, &num_devices));
0688 
0689   std::vector<ConstEpDevice> devices;
0690   if (num_devices > 0) {
0691     devices.reserve(num_devices);
0692     for (size_t i = 0; i < num_devices; ++i) {
0693       devices.emplace_back(device_ptrs[i]);
0694     }
0695   }
0696 
0697   return devices;
0698 }
0699 
0700 inline CustomOpDomain::CustomOpDomain(const char* domain) {
0701   ThrowOnError(GetApi().CreateCustomOpDomain(domain, &p_));
0702 }
0703 
0704 inline void CustomOpDomain::Add(const OrtCustomOp* op) {
0705   ThrowOnError(GetApi().CustomOpDomain_Add(p_, op));
0706 }
0707 
0708 inline LoraAdapter LoraAdapter::CreateLoraAdapter(const std::basic_string<ORTCHAR_T>& adapter_path,
0709                                                   OrtAllocator* allocator) {
0710   OrtLoraAdapter* p;
0711   ThrowOnError(GetApi().CreateLoraAdapter(adapter_path.c_str(), allocator, &p));
0712   return LoraAdapter{p};
0713 }
0714 
0715 inline LoraAdapter LoraAdapter::CreateLoraAdapterFromArray(const void* bytes, size_t num_bytes,
0716                                                            OrtAllocator* allocator) {
0717   OrtLoraAdapter* p;
0718   ThrowOnError(GetApi().CreateLoraAdapterFromArray(bytes, num_bytes, allocator, &p));
0719   return LoraAdapter{p};
0720 }
0721 
0722 inline RunOptions::RunOptions() {
0723   ThrowOnError(GetApi().CreateRunOptions(&p_));
0724 }
0725 
0726 inline RunOptions& RunOptions::SetRunLogVerbosityLevel(int level) {
0727   ThrowOnError(GetApi().RunOptionsSetRunLogVerbosityLevel(p_, level));
0728   return *this;
0729 }
0730 
0731 inline RunOptions& RunOptions::SetRunLogSeverityLevel(int level) {
0732   ThrowOnError(GetApi().RunOptionsSetRunLogSeverityLevel(p_, level));
0733   return *this;
0734 }
0735 
0736 inline int RunOptions::GetRunLogVerbosityLevel() const {
0737   int out;
0738   ThrowOnError(GetApi().RunOptionsGetRunLogVerbosityLevel(p_, &out));
0739   return out;
0740 }
0741 
0742 inline int RunOptions::GetRunLogSeverityLevel() const {
0743   int out;
0744   ThrowOnError(GetApi().RunOptionsGetRunLogSeverityLevel(p_, &out));
0745   return out;
0746 }
0747 
0748 inline RunOptions& RunOptions::SetRunTag(const char* run_tag) {
0749   ThrowOnError(GetApi().RunOptionsSetRunTag(p_, run_tag));
0750   return *this;
0751 }
0752 
0753 inline const char* RunOptions::GetRunTag() const {
0754   const char* out;
0755   ThrowOnError(GetApi().RunOptionsGetRunTag(p_, &out));
0756   return out;
0757 }
0758 
0759 inline RunOptions& RunOptions::AddConfigEntry(const char* config_key, const char* config_value) {
0760   ThrowOnError(GetApi().AddRunConfigEntry(p_, config_key, config_value));
0761   return *this;
0762 }
0763 
0764 inline RunOptions& RunOptions::SetTerminate() {
0765   ThrowOnError(GetApi().RunOptionsSetTerminate(p_));
0766   return *this;
0767 }
0768 
0769 inline RunOptions& RunOptions::UnsetTerminate() {
0770   ThrowOnError(GetApi().RunOptionsUnsetTerminate(p_));
0771   return *this;
0772 }
0773 
0774 inline RunOptions& RunOptions::AddActiveLoraAdapter(const LoraAdapter& adapter) {
0775   ThrowOnError(GetApi().RunOptionsAddActiveLoraAdapter(p_, adapter));
0776   return *this;
0777 }
0778 
0779 inline ModelCompilationOptions::ModelCompilationOptions(const Env& env, const SessionOptions& session_options) {
0780   ThrowOnError(GetCompileApi().CreateModelCompilationOptionsFromSessionOptions(env, session_options, &this->p_));
0781 }
0782 
0783 inline ModelCompilationOptions::ModelCompilationOptions(const Env& env, ConstSessionOptions session_options) {
0784   ThrowOnError(GetCompileApi().CreateModelCompilationOptionsFromSessionOptions(env, session_options, &this->p_));
0785 }
0786 
0787 inline Status CompileModel(const Env& env, const ModelCompilationOptions& model_compilation_options) {
0788   return Ort::Status(GetCompileApi().CompileModel(env, model_compilation_options));
0789 }
0790 
0791 inline ModelCompilationOptions& ModelCompilationOptions::SetInputModelPath(
0792     const ORTCHAR_T* input_model_path) {
0793   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetInputModelPath(this->p_, input_model_path));
0794   return *this;
0795 }
0796 
0797 inline ModelCompilationOptions& ModelCompilationOptions::SetInputModelFromBuffer(
0798     const void* input_model_data, size_t input_model_data_size) {
0799   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetInputModelFromBuffer(this->p_, input_model_data,
0800                                                                                     input_model_data_size));
0801   return *this;
0802 }
0803 
0804 inline ModelCompilationOptions& ModelCompilationOptions::SetOutputModelPath(
0805     const ORTCHAR_T* output_model_path) {
0806   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetOutputModelPath(this->p_, output_model_path));
0807   return *this;
0808 }
0809 
0810 inline ModelCompilationOptions& ModelCompilationOptions::SetOutputModelExternalInitializersFile(
0811     const ORTCHAR_T* file_path, size_t initializer_size_threshold) {
0812   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetOutputModelExternalInitializersFile(
0813       this->p_,
0814       file_path,
0815       initializer_size_threshold));
0816   return *this;
0817 }
0818 
0819 inline ModelCompilationOptions& ModelCompilationOptions::SetOutputModelBuffer(
0820     OrtAllocator* allocator, void** output_model_buffer_ptr, size_t* output_model_buffer_size_ptr) {
0821   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetOutputModelBuffer(this->p_, allocator,
0822                                                                                  output_model_buffer_ptr,
0823                                                                                  output_model_buffer_size_ptr));
0824   return *this;
0825 }
0826 
0827 inline ModelCompilationOptions& ModelCompilationOptions::SetEpContextEmbedMode(
0828     bool embed_ep_context_in_model) {
0829   Ort::ThrowOnError(GetCompileApi().ModelCompilationOptions_SetEpContextEmbedMode(
0830       this->p_,
0831       embed_ep_context_in_model));
0832   return *this;
0833 }
0834 
0835 namespace detail {
0836 
0837 template <typename T>
0838 inline Ort::SessionOptions ConstSessionOptionsImpl<T>::Clone() const {
0839   OrtSessionOptions* out;
0840   ThrowOnError(GetApi().CloneSessionOptions(this->p_, &out));
0841   return SessionOptions{out};
0842 }
0843 
0844 template <typename T>
0845 inline std::string ConstSessionOptionsImpl<T>::GetConfigEntry(const char* config_key) const {
0846   size_t size = 0;
0847   // Feed nullptr for the data buffer to query the true size of the string value
0848   Ort::ThrowOnError(GetApi().GetSessionConfigEntry(this->p_, config_key, nullptr, &size));
0849 
0850   std::string out;
0851   out.resize(size);
0852   Ort::ThrowOnError(GetApi().GetSessionConfigEntry(this->p_, config_key, &out[0], &size));
0853   out.resize(size - 1);  // remove the terminating character '\0'
0854 
0855   return out;
0856 }
0857 
0858 template <typename T>
0859 inline bool ConstSessionOptionsImpl<T>::HasConfigEntry(const char* config_key) const {
0860   int out = 0;
0861   Ort::ThrowOnError(GetApi().HasSessionConfigEntry(this->p_, config_key, &out));
0862   return static_cast<bool>(out);
0863 }
0864 
0865 template <typename T>
0866 inline std::string ConstSessionOptionsImpl<T>::GetConfigEntryOrDefault(const char* config_key,
0867                                                                        const std::string& def) const {
0868   if (!this->HasConfigEntry(config_key)) {
0869     return def;
0870   }
0871 
0872   return this->GetConfigEntry(config_key);
0873 }
0874 
0875 template <typename T>
0876 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetIntraOpNumThreads(int intra_op_num_threads) {
0877   ThrowOnError(GetApi().SetIntraOpNumThreads(this->p_, intra_op_num_threads));
0878   return *this;
0879 }
0880 
0881 template <typename T>
0882 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetInterOpNumThreads(int inter_op_num_threads) {
0883   ThrowOnError(GetApi().SetInterOpNumThreads(this->p_, inter_op_num_threads));
0884   return *this;
0885 }
0886 
0887 template <typename T>
0888 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetGraphOptimizationLevel(GraphOptimizationLevel graph_optimization_level) {
0889   ThrowOnError(GetApi().SetSessionGraphOptimizationLevel(this->p_, graph_optimization_level));
0890   return *this;
0891 }
0892 
0893 template <typename T>
0894 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetDeterministicCompute(bool value) {
0895   ThrowOnError(GetApi().SetDeterministicCompute(this->p_, value));
0896   return *this;
0897 }
0898 
0899 template <typename T>
0900 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetOptimizedModelFilePath(const ORTCHAR_T* optimized_model_filepath) {
0901   ThrowOnError(GetApi().SetOptimizedModelFilePath(this->p_, optimized_model_filepath));
0902   return *this;
0903 }
0904 
0905 template <typename T>
0906 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableProfiling(const ORTCHAR_T* profile_file_prefix) {
0907   ThrowOnError(GetApi().EnableProfiling(this->p_, profile_file_prefix));
0908   return *this;
0909 }
0910 
0911 template <typename T>
0912 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableProfiling() {
0913   ThrowOnError(GetApi().DisableProfiling(this->p_));
0914   return *this;
0915 }
0916 
0917 template <typename T>
0918 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableOrtCustomOps() {
0919   ThrowOnError(GetApi().EnableOrtCustomOps(this->p_));
0920   return *this;
0921 }
0922 
0923 template <typename T>
0924 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableMemPattern() {
0925   ThrowOnError(GetApi().EnableMemPattern(this->p_));
0926   return *this;
0927 }
0928 
0929 template <typename T>
0930 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableMemPattern() {
0931   ThrowOnError(GetApi().DisableMemPattern(this->p_));
0932   return *this;
0933 }
0934 
0935 template <typename T>
0936 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::EnableCpuMemArena() {
0937   ThrowOnError(GetApi().EnableCpuMemArena(this->p_));
0938   return *this;
0939 }
0940 
0941 template <typename T>
0942 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisableCpuMemArena() {
0943   ThrowOnError(GetApi().DisableCpuMemArena(this->p_));
0944   return *this;
0945 }
0946 
0947 template <typename T>
0948 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetExecutionMode(ExecutionMode execution_mode) {
0949   ThrowOnError(GetApi().SetSessionExecutionMode(this->p_, execution_mode));
0950   return *this;
0951 }
0952 
0953 template <typename T>
0954 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetLoadCancellationFlag(bool value) {
0955   ThrowOnError(GetApi().SessionOptionsSetLoadCancellationFlag(this->p_, value));
0956   return *this;
0957 }
0958 
0959 template <typename T>
0960 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetLogId(const char* logid) {
0961   ThrowOnError(GetApi().SetSessionLogId(this->p_, logid));
0962   return *this;
0963 }
0964 
0965 template <typename T>
0966 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetLogSeverityLevel(int level) {
0967   ThrowOnError(GetApi().SetSessionLogSeverityLevel(this->p_, level));
0968   return *this;
0969 }
0970 
0971 template <typename T>
0972 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::Add(OrtCustomOpDomain* custom_op_domain) {
0973   ThrowOnError(GetApi().AddCustomOpDomain(this->p_, custom_op_domain));
0974   return *this;
0975 }
0976 
0977 template <typename T>
0978 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddConfigEntry(const char* config_key, const char* config_value) {
0979   ThrowOnError(GetApi().AddSessionConfigEntry(this->p_, config_key, config_value));
0980   return *this;
0981 }
0982 
0983 template <typename T>
0984 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddInitializer(const char* name, const OrtValue* ort_val) {
0985   ThrowOnError(GetApi().AddInitializer(this->p_, name, ort_val));
0986   return *this;
0987 }
0988 
0989 template <typename T>
0990 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::DisablePerSessionThreads() {
0991   ThrowOnError(GetApi().DisablePerSessionThreads(this->p_));
0992   return *this;
0993 }
0994 
0995 template <typename T>
0996 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddExternalInitializers(const std::vector<std::string>& names,
0997                                                                              const std::vector<Value>& ort_values) {
0998   const size_t inputs_num = names.size();
0999   if (inputs_num != ort_values.size()) {
1000     ORT_CXX_API_THROW("Expecting names and ort_values to have the same length", ORT_INVALID_ARGUMENT);
1001   }
1002   std::vector<const char*> names_ptr;
1003   std::vector<const OrtValue*> ort_values_ptrs;
1004   names_ptr.reserve(inputs_num);
1005   ort_values_ptrs.reserve(inputs_num);
1006   for (size_t i = 0; i < inputs_num; ++i) {
1007     names_ptr.push_back(names[i].c_str());
1008     ort_values_ptrs.push_back(ort_values[i]);
1009   }
1010   ThrowOnError(GetApi().AddExternalInitializers(this->p_, names_ptr.data(), ort_values_ptrs.data(), inputs_num));
1011   return *this;
1012 }
1013 
1014 template <typename T>
1015 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AddExternalInitializersFromFilesInMemory(const std::vector<std::basic_string<ORTCHAR_T>>& file_names,
1016                                                                                               const std::vector<char*>& buffer_array,
1017                                                                                               const std::vector<size_t>& file_lengths) {
1018   const size_t inputs_num = file_names.size();
1019   if (inputs_num != buffer_array.size()) {
1020     ORT_CXX_API_THROW("Expecting names and buffer_array to have the same length", ORT_INVALID_ARGUMENT);
1021   }
1022   if (inputs_num != file_lengths.size()) {
1023     ORT_CXX_API_THROW("Expecting names and file_lengths to have the same length", ORT_INVALID_ARGUMENT);
1024   }
1025   std::vector<const ORTCHAR_T*> names_ptr;
1026   names_ptr.reserve(inputs_num);
1027   for (size_t i = 0; i < inputs_num; ++i) {
1028     names_ptr.push_back(file_names[i].c_str());
1029   }
1030   ThrowOnError(GetApi().AddExternalInitializersFromFilesInMemory(this->p_, names_ptr.data(), buffer_array.data(),
1031                                                                  file_lengths.data(), inputs_num));
1032   return *this;
1033 }
1034 
1035 template <typename T>
1036 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CUDA(const OrtCUDAProviderOptions& provider_options) {
1037   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CUDA(this->p_, &provider_options));
1038   return *this;
1039 }
1040 
1041 template <typename T>
1042 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CUDA_V2(const OrtCUDAProviderOptionsV2& provider_options) {
1043   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CUDA_V2(this->p_, &provider_options));
1044   return *this;
1045 }
1046 
1047 template <typename T>
1048 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_ROCM(const OrtROCMProviderOptions& provider_options) {
1049   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_ROCM(this->p_, &provider_options));
1050   return *this;
1051 }
1052 
1053 template <typename T>
1054 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_TensorRT(const OrtTensorRTProviderOptions& provider_options) {
1055   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_TensorRT(this->p_, &provider_options));
1056   return *this;
1057 }
1058 
1059 template <typename T>
1060 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_TensorRT_V2(const OrtTensorRTProviderOptionsV2& provider_options) {
1061   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_TensorRT_V2(this->p_, &provider_options));
1062   return *this;
1063 }
1064 
1065 template <typename T>
1066 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_MIGraphX(const OrtMIGraphXProviderOptions& provider_options) {
1067   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_MIGraphX(this->p_, &provider_options));
1068   return *this;
1069 }
1070 
1071 template <typename T>
1072 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_CANN(const OrtCANNProviderOptions& provider_options) {
1073   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_CANN(this->p_, &provider_options));
1074   return *this;
1075 }
1076 
1077 template <typename T>
1078 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_Dnnl(const OrtDnnlProviderOptions& provider_options) {
1079   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_Dnnl(this->p_, &provider_options));
1080   return *this;
1081 }
1082 
1083 template <typename T>
1084 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider(
1085     const std::string& provider_name,
1086     const std::unordered_map<std::string, std::string>& provider_options) {
1087   auto num_entries = provider_options.size();
1088   std::vector<const char*> keys, values;
1089   if (num_entries > 0) {
1090     keys.reserve(num_entries);
1091     values.reserve(num_entries);
1092 
1093     for (const auto& entry : provider_options) {
1094       keys.push_back(entry.first.c_str());
1095       values.push_back(entry.second.c_str());
1096     }
1097   }
1098 
1099   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider(this->p_, provider_name.c_str(),
1100                                                               keys.data(), values.data(), num_entries));
1101 
1102   return *this;
1103 }
1104 
1105 namespace {
1106 template <typename T>
1107 void SessionOptionsAppendEP(detail::SessionOptionsImpl<T>& session_options,
1108                             Env& env, const std::vector<ConstEpDevice>& ep_devices,
1109                             const std::vector<const char*>& ep_options_keys,
1110                             const std::vector<const char*>& ep_options_values) {
1111   std::vector<const OrtEpDevice*> ep_devices_ptrs;
1112   ep_devices_ptrs.reserve(ep_devices.size());
1113   for (const auto& ep_device : ep_devices) {
1114     ep_devices_ptrs.push_back(ep_device);
1115   }
1116 
1117   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_V2(
1118       session_options, env, ep_devices_ptrs.data(), ep_devices_ptrs.size(),
1119       ep_options_keys.data(), ep_options_values.data(), ep_options_keys.size()));
1120 }
1121 }  // namespace
1122 
1123 template <typename T>
1124 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_V2(
1125     Env& env, const std::vector<ConstEpDevice>& ep_devices, const KeyValuePairs& ep_options) {
1126   std::vector<const char*> ep_options_keys, ep_options_values;
1127   ep_options.GetKeyValuePairs(ep_options_keys, ep_options_values);
1128 
1129   SessionOptionsAppendEP(*this, env, ep_devices, ep_options_keys, ep_options_values);
1130 
1131   return *this;
1132 }
1133 
1134 template <typename T>
1135 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_V2(
1136     Env& env, const std::vector<ConstEpDevice>& ep_devices,
1137     const std::unordered_map<std::string, std::string>& ep_options) {
1138   std::vector<const char*> ep_options_keys, ep_options_values;
1139   ep_options_keys.reserve(ep_options.size());
1140   ep_options_values.reserve(ep_options.size());
1141 
1142   for (const auto& [key, value] : ep_options) {
1143     ep_options_keys.push_back(key.c_str());
1144     ep_options_values.push_back(value.c_str());
1145   }
1146 
1147   SessionOptionsAppendEP(*this, env, ep_devices, ep_options_keys, ep_options_values);
1148 
1149   return *this;
1150 }
1151 
1152 template <typename T>
1153 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetEpSelectionPolicy(OrtExecutionProviderDevicePolicy policy) {
1154   ThrowOnError(GetApi().SessionOptionsSetEpSelectionPolicy(this->p_, policy));
1155   return *this;
1156 }
1157 
1158 template <typename T>
1159 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetEpSelectionPolicy(EpSelectionDelegate delegate, void* state) {
1160   ThrowOnError(GetApi().SessionOptionsSetEpSelectionPolicyDelegate(this->p_, delegate, state));
1161   return *this;
1162 }
1163 
1164 template <typename T>
1165 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomCreateThreadFn(OrtCustomCreateThreadFn ort_custom_create_thread_fn) {
1166   ThrowOnError(GetApi().SessionOptionsSetCustomCreateThreadFn(this->p_, ort_custom_create_thread_fn));
1167   return *this;
1168 }
1169 
1170 template <typename T>
1171 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomThreadCreationOptions(void* ort_custom_thread_creation_options) {
1172   ThrowOnError(GetApi().SessionOptionsSetCustomThreadCreationOptions(this->p_, ort_custom_thread_creation_options));
1173   return *this;
1174 }
1175 
1176 template <typename T>
1177 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::SetCustomJoinThreadFn(OrtCustomJoinThreadFn ort_custom_join_thread_fn) {
1178   ThrowOnError(GetApi().SessionOptionsSetCustomJoinThreadFn(this->p_, ort_custom_join_thread_fn));
1179   return *this;
1180 }
1181 
1182 template <typename T>
1183 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_OpenVINO(const OrtOpenVINOProviderOptions& provider_options) {
1184   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_OpenVINO(this->p_, &provider_options));
1185   return *this;
1186 }
1187 
1188 template <typename T>
1189 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_OpenVINO_V2(const std::unordered_map<std::string, std::string>& provider_options) {
1190   auto num_entries = provider_options.size();
1191   std::vector<const char*> keys, values;
1192   if (num_entries > 0) {
1193     keys.reserve(num_entries);
1194     values.reserve(num_entries);
1195 
1196     for (const auto& entry : provider_options) {
1197       keys.push_back(entry.first.c_str());
1198       values.push_back(entry.second.c_str());
1199     }
1200   }
1201 
1202   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_OpenVINO_V2(this->p_,
1203                                                                           keys.data(), values.data(), num_entries));
1204 
1205   return *this;
1206 }
1207 
1208 template <typename T>
1209 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::AppendExecutionProvider_VitisAI(const std::unordered_map<std::string, std::string>& provider_options) {
1210   auto num_entries = provider_options.size();
1211   std::vector<const char*> keys, values;
1212   if (num_entries > 0) {
1213     keys.reserve(num_entries);
1214     values.reserve(num_entries);
1215 
1216     for (const auto& entry : provider_options) {
1217       keys.push_back(entry.first.c_str());
1218       values.push_back(entry.second.c_str());
1219     }
1220   }
1221 
1222   ThrowOnError(GetApi().SessionOptionsAppendExecutionProvider_VitisAI(this->p_, keys.data(), values.data(), num_entries));
1223 
1224   return *this;
1225 }
1226 
1227 template <typename T>
1228 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::RegisterCustomOpsLibrary(const ORTCHAR_T* library_name,
1229                                                                               const CustomOpConfigs& custom_op_configs) {
1230   // Add custom op config entries before registering the custom op library. Otherwise, the config entries _may_ be ignored by
1231   // the custom op library.
1232   for (const auto& config_iter : custom_op_configs.GetFlattenedConfigs()) {
1233     AddConfigEntry(config_iter.first.c_str(), config_iter.second.c_str());
1234   }
1235 
1236   ThrowOnError(GetApi().RegisterCustomOpsLibrary_V2(this->p_, library_name));
1237   return *this;
1238 }
1239 
1240 template <typename T>
1241 inline SessionOptionsImpl<T>& SessionOptionsImpl<T>::RegisterCustomOpsUsingFunction(const char* registration_function_name) {
1242   ThrowOnError(GetApi().RegisterCustomOpsUsingFunction(this->p_, registration_function_name));
1243   return *this;
1244 }
1245 
1246 /// Session
1247 template <typename T>
1248 inline size_t ConstSessionImpl<T>::GetInputCount() const {
1249   size_t out;
1250   ThrowOnError(GetApi().SessionGetInputCount(this->p_, &out));
1251   return out;
1252 }
1253 
1254 template <typename T>
1255 inline size_t ConstSessionImpl<T>::GetOutputCount() const {
1256   size_t out;
1257   ThrowOnError(GetApi().SessionGetOutputCount(this->p_, &out));
1258   return out;
1259 }
1260 
1261 template <typename T>
1262 inline size_t ConstSessionImpl<T>::GetOverridableInitializerCount() const {
1263   size_t out;
1264   ThrowOnError(GetApi().SessionGetOverridableInitializerCount(this->p_, &out));
1265   return out;
1266 }
1267 
1268 template <typename T>
1269 inline std::vector<std::string> ConstSessionImpl<T>::GetInputNames() const {
1270   AllocatorWithDefaultOptions allocator;
1271 
1272   auto num_inputs = GetInputCount();
1273   std::vector<std::string> input_names;
1274   input_names.reserve(num_inputs);
1275 
1276   for (size_t i = 0; i < num_inputs; ++i) {
1277     char* name = nullptr;
1278     ThrowOnError(GetApi().SessionGetInputName(this->p_, i, allocator, &name));
1279     input_names.push_back(name);
1280     allocator.Free(name);
1281   }
1282 
1283   return input_names;
1284 }
1285 
1286 template <typename T>
1287 inline std::vector<std::string> ConstSessionImpl<T>::GetOutputNames() const {
1288   AllocatorWithDefaultOptions allocator;
1289 
1290   auto num_inputs = GetOutputCount();
1291   std::vector<std::string> output_names;
1292   output_names.reserve(num_inputs);
1293 
1294   for (size_t i = 0; i < num_inputs; ++i) {
1295     char* name = nullptr;
1296     ThrowOnError(GetApi().SessionGetOutputName(this->p_, i, allocator, &name));
1297     output_names.push_back(name);
1298     allocator.Free(name);
1299   }
1300 
1301   return output_names;
1302 }
1303 
1304 template <typename T>
1305 inline std::vector<std::string> ConstSessionImpl<T>::GetOverridableInitializerNames() const {
1306   AllocatorWithDefaultOptions allocator;
1307 
1308   auto num_initializers = GetOverridableInitializerCount();
1309   std::vector<std::string> initializer_names;
1310   initializer_names.reserve(num_initializers);
1311 
1312   for (size_t i = 0; i < num_initializers; ++i) {
1313     char* name = nullptr;
1314     ThrowOnError(GetApi().SessionGetOverridableInitializerName(this->p_, i, allocator, &name));
1315     initializer_names.push_back(name);
1316   }
1317 
1318   return initializer_names;
1319 }
1320 
1321 template <typename T>
1322 inline AllocatedStringPtr ConstSessionImpl<T>::GetInputNameAllocated(size_t index, OrtAllocator* allocator) const {
1323   char* out;
1324   ThrowOnError(GetApi().SessionGetInputName(this->p_, index, allocator, &out));
1325   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1326 }
1327 
1328 template <typename T>
1329 inline AllocatedStringPtr ConstSessionImpl<T>::GetOutputNameAllocated(size_t index, OrtAllocator* allocator) const {
1330   char* out;
1331   ThrowOnError(GetApi().SessionGetOutputName(this->p_, index, allocator, &out));
1332   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1333 }
1334 
1335 template <typename T>
1336 inline AllocatedStringPtr ConstSessionImpl<T>::GetOverridableInitializerNameAllocated(size_t index, OrtAllocator* allocator) const {
1337   char* out;
1338   ThrowOnError(GetApi().SessionGetOverridableInitializerName(this->p_, index, allocator, &out));
1339   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1340 }
1341 
1342 template <typename T>
1343 inline uint64_t ConstSessionImpl<T>::GetProfilingStartTimeNs() const {
1344   uint64_t out;
1345   ThrowOnError(GetApi().SessionGetProfilingStartTimeNs(this->p_, &out));
1346   return out;
1347 }
1348 
1349 template <typename T>
1350 inline ModelMetadata ConstSessionImpl<T>::GetModelMetadata() const {
1351   OrtModelMetadata* out;
1352   ThrowOnError(GetApi().SessionGetModelMetadata(this->p_, &out));
1353   return ModelMetadata{out};
1354 }
1355 
1356 template <typename T>
1357 inline TypeInfo ConstSessionImpl<T>::GetInputTypeInfo(size_t index) const {
1358   OrtTypeInfo* out;
1359   ThrowOnError(GetApi().SessionGetInputTypeInfo(this->p_, index, &out));
1360   return TypeInfo{out};
1361 }
1362 
1363 template <typename T>
1364 inline TypeInfo ConstSessionImpl<T>::GetOutputTypeInfo(size_t index) const {
1365   OrtTypeInfo* out;
1366   ThrowOnError(GetApi().SessionGetOutputTypeInfo(this->p_, index, &out));
1367   return TypeInfo{out};
1368 }
1369 
1370 template <typename T>
1371 inline TypeInfo ConstSessionImpl<T>::GetOverridableInitializerTypeInfo(size_t index) const {
1372   OrtTypeInfo* out;
1373   ThrowOnError(GetApi().SessionGetOverridableInitializerTypeInfo(this->p_, index, &out));
1374   return TypeInfo{out};
1375 }
1376 
1377 #if !defined(ORT_MINIMAL_BUILD)
1378 template <typename T>
1379 inline int ConstSessionImpl<T>::GetOpset(const std::string& domain) const {
1380   int opset;
1381   ThrowOnError(GetModelEditorApi().SessionGetOpsetForDomain(this->p_, domain.c_str(), &opset));
1382   return opset;
1383 }
1384 #endif  // !defined(ORT_MINIMAL_BUILD)
1385 
1386 template <typename T>
1387 std::vector<ValueInfo> ConstSessionImpl<T>::GetInputs() const {
1388   const std::vector<std::string> input_names = GetInputNames();
1389 
1390   std::vector<ValueInfo> inputs;
1391   inputs.reserve(input_names.size());
1392 
1393   for (size_t i = 0; i < input_names.size(); ++i) {
1394     auto type_info = GetInputTypeInfo(i);
1395     inputs.emplace_back(ValueInfo{input_names[i], type_info.GetConst()});
1396   }
1397 
1398   return inputs;
1399 }
1400 
1401 template <typename T>
1402 std::vector<ValueInfo> ConstSessionImpl<T>::GetOutputs() const {
1403   const std::vector<std::string> output_names = GetOutputNames();
1404 
1405   std::vector<ValueInfo> outputs;
1406   outputs.reserve(output_names.size());
1407 
1408   for (size_t i = 0; i < output_names.size(); ++i) {
1409     auto type_info = GetOutputTypeInfo(i);
1410     outputs.emplace_back(ValueInfo{output_names[i], type_info.GetConst()});
1411   }
1412 
1413   return outputs;
1414 }
1415 
1416 template <typename T>
1417 inline std::vector<Value> SessionImpl<T>::Run(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
1418                                               const char* const* output_names, size_t output_count) {
1419   std::vector<Value> output_values;
1420   output_values.reserve(output_count);
1421   for (size_t i = 0; i < output_count; i++)
1422     output_values.emplace_back(nullptr);
1423   Run(run_options, input_names, input_values, input_count, output_names, output_values.data(), output_count);
1424   return output_values;
1425 }
1426 
1427 template <typename T>
1428 inline void SessionImpl<T>::Run(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
1429                                 const char* const* output_names, Value* output_values, size_t output_count) {
1430   static_assert(sizeof(Value) == sizeof(OrtValue*), "Value is really just an array of OrtValue* in memory, so we can reinterpret_cast safely");
1431   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
1432   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
1433   ThrowOnError(GetApi().Run(this->p_, run_options, input_names, ort_input_values, input_count, output_names, output_count, ort_output_values));
1434 }
1435 
1436 template <typename T>
1437 inline void SessionImpl<T>::Run(const RunOptions& run_options, const IoBinding& io_binding) {
1438   ThrowOnError(GetApi().RunWithBinding(this->p_, run_options, io_binding));
1439 }
1440 
1441 template <typename T>
1442 inline void SessionImpl<T>::RunAsync(const RunOptions& run_options, const char* const* input_names, const Value* input_values, size_t input_count,
1443                                      const char* const* output_names, Value* output_values, size_t output_count, RunAsyncCallbackFn callback, void* user_data) {
1444   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
1445   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
1446   ThrowOnError(GetApi().RunAsync(this->p_, run_options, input_names,
1447                                  ort_input_values, input_count, output_names, output_count,
1448                                  ort_output_values, callback, user_data));
1449 }
1450 
1451 template <typename T>
1452 inline AllocatedStringPtr SessionImpl<T>::EndProfilingAllocated(OrtAllocator* allocator) {
1453   char* out = nullptr;
1454   ThrowOnError(GetApi().SessionEndProfiling(this->p_, allocator, &out));
1455   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1456 }
1457 
1458 template <typename T>
1459 inline void SessionImpl<T>::SetEpDynamicOptions(const char* const* keys, const char* const* values, size_t kv_len) {
1460   ThrowOnError(GetApi().SetEpDynamicOptions(this->p_, keys, values, kv_len));
1461 }
1462 
1463 #if !defined(ORT_MINIMAL_BUILD)
1464 template <typename T>
1465 inline void SessionImpl<T>::FinalizeModelEditorSession(const Model& model, const SessionOptions& options,
1466                                                        OrtPrepackedWeightsContainer* prepacked_weights_container) {
1467   ThrowOnError(GetModelEditorApi().ApplyModelToModelEditorSession(this->p_, model));
1468   ThrowOnError(GetModelEditorApi().FinalizeModelEditorSession(this->p_, options, prepacked_weights_container));
1469 }
1470 #endif  // #if !defined(ORT_MINIMAL_BUILD)
1471 
1472 }  // namespace detail
1473 
1474 inline SessionOptions::SessionOptions() {
1475   ThrowOnError(GetApi().CreateSessionOptions(&this->p_));
1476 }
1477 
1478 /// CustomOpConfigs
1479 inline std::string detail::MakeCustomOpConfigEntryKey(const char* custom_op_name, const char* config) {
1480   std::string config_key = "custom_op.";
1481 
1482   config_key += custom_op_name;
1483   config_key += ".";
1484   config_key += config;
1485 
1486   return config_key;
1487 }
1488 
1489 inline CustomOpConfigs& CustomOpConfigs::AddConfig(const char* custom_op_name, const char* config_key, const char* config_value) {
1490   const std::string full_flat_key = detail::MakeCustomOpConfigEntryKey(custom_op_name, config_key);
1491   flat_configs_[full_flat_key] = config_value;
1492   return *this;
1493 }
1494 
1495 inline const std::unordered_map<std::string, std::string>& CustomOpConfigs::GetFlattenedConfigs() const {
1496   return flat_configs_;
1497 }
1498 
1499 inline Session::Session(const Env& env, const ORTCHAR_T* model_path, const SessionOptions& options) {
1500   ThrowOnError(GetApi().CreateSession(env, model_path, options, &this->p_));
1501 }
1502 
1503 inline Session::Session(const Env& env, const ORTCHAR_T* model_path, const SessionOptions& options,
1504                         OrtPrepackedWeightsContainer* prepacked_weights_container) {
1505   ThrowOnError(GetApi().CreateSessionWithPrepackedWeightsContainer(env, model_path, options, prepacked_weights_container, &this->p_));
1506 }
1507 
1508 inline Session::Session(const Env& env, const void* model_data, size_t model_data_length, const SessionOptions& options) {
1509   ThrowOnError(GetApi().CreateSessionFromArray(env, model_data, model_data_length, options, &this->p_));
1510 }
1511 
1512 inline Session::Session(const Env& env, const void* model_data, size_t model_data_length,
1513                         const SessionOptions& options, OrtPrepackedWeightsContainer* prepacked_weights_container) {
1514   ThrowOnError(GetApi().CreateSessionFromArrayWithPrepackedWeightsContainer(env, model_data, model_data_length, options,
1515                                                                             prepacked_weights_container, &this->p_));
1516 }
1517 
1518 #if !defined(ORT_MINIMAL_BUILD)
1519 inline Session::Session(const Env& env, const Model& model, const SessionOptions& options) {
1520   ThrowOnError(GetModelEditorApi().CreateSessionFromModel(env, model.GetConst(), options, &this->p_));
1521 }
1522 
1523 // static
1524 inline Session Session::CreateModelEditorSession(const Env& env, const ORTCHAR_T* model_path,
1525                                                  const SessionOptions& options) {
1526   OrtSession* session = nullptr;
1527   ThrowOnError(GetModelEditorApi().CreateModelEditorSession(env, model_path, options, &session));
1528   return Session(session);
1529 }
1530 
1531 // static
1532 inline Session Session::CreateModelEditorSession(const Env& env, const void* model_data, size_t model_data_length,
1533                                                  const SessionOptions& options) {
1534   OrtSession* session = nullptr;
1535   ThrowOnError(GetModelEditorApi().CreateModelEditorSessionFromArray(env, model_data, model_data_length, options,
1536                                                                      &session));
1537   return Session(session);
1538 }
1539 
1540 void FinalizeModelEditorSession(const Model& model, const SessionOptions& options,
1541                                 OrtPrepackedWeightsContainer* prepacked_weights_container);
1542 #endif  // #if !defined(ORT_MINIMAL_BUILD)
1543 
1544 inline AllocatedStringPtr ModelMetadata::GetProducerNameAllocated(OrtAllocator* allocator) const {
1545   char* out;
1546   ThrowOnError(GetApi().ModelMetadataGetProducerName(p_, allocator, &out));
1547   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1548 }
1549 
1550 inline AllocatedStringPtr ModelMetadata::GetGraphNameAllocated(OrtAllocator* allocator) const {
1551   char* out;
1552   ThrowOnError(GetApi().ModelMetadataGetGraphName(p_, allocator, &out));
1553   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1554 }
1555 
1556 inline AllocatedStringPtr ModelMetadata::GetDomainAllocated(OrtAllocator* allocator) const {
1557   char* out;
1558   ThrowOnError(GetApi().ModelMetadataGetDomain(p_, allocator, &out));
1559   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1560 }
1561 
1562 inline AllocatedStringPtr Ort::ModelMetadata::GetDescriptionAllocated(OrtAllocator* allocator) const {
1563   char* out;
1564   ThrowOnError(GetApi().ModelMetadataGetDescription(p_, allocator, &out));
1565   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1566 }
1567 
1568 inline AllocatedStringPtr ModelMetadata::GetGraphDescriptionAllocated(OrtAllocator* allocator) const {
1569   char* out;
1570   ThrowOnError(GetApi().ModelMetadataGetGraphDescription(p_, allocator, &out));
1571   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1572 }
1573 
1574 inline AllocatedStringPtr ModelMetadata::LookupCustomMetadataMapAllocated(const char* key, OrtAllocator* allocator) const {
1575   char* out;
1576   ThrowOnError(GetApi().ModelMetadataLookupCustomMetadataMap(p_, allocator, key, &out));
1577   return AllocatedStringPtr(out, detail::AllocatedFree(allocator));
1578 }
1579 
1580 inline std::vector<AllocatedStringPtr> ModelMetadata::GetCustomMetadataMapKeysAllocated(OrtAllocator* allocator) const {
1581   auto deletor = detail::AllocatedFree(allocator);
1582   std::vector<AllocatedStringPtr> result;
1583 
1584   char** out = nullptr;
1585   int64_t num_keys = 0;
1586   ThrowOnError(GetApi().ModelMetadataGetCustomMetadataMapKeys(p_, allocator, &out, &num_keys));
1587   if (num_keys <= 0) {
1588     return result;
1589   }
1590 
1591   // array of pointers will be freed
1592   std::unique_ptr<void, decltype(deletor)> array_guard(out, deletor);
1593   // reserve may throw
1594   auto strings_deletor = [&deletor, num_keys](char** out) { for(int64_t i = 0; i < num_keys; ++i) deletor(out[i]); };
1595   std::unique_ptr<char*, decltype(strings_deletor)> strings_guard(out, strings_deletor);
1596   result.reserve(static_cast<size_t>(num_keys));
1597   strings_guard.release();
1598   for (int64_t i = 0; i < num_keys; ++i) {
1599     result.push_back(AllocatedStringPtr(out[i], deletor));
1600   }
1601 
1602   return result;
1603 }
1604 
1605 inline int64_t ModelMetadata::GetVersion() const {
1606   int64_t out;
1607   ThrowOnError(GetApi().ModelMetadataGetVersion(p_, &out));
1608   return out;
1609 }
1610 
1611 inline TensorTypeAndShapeInfo::TensorTypeAndShapeInfo(ONNXTensorElementDataType element_type,
1612                                                       const std::vector<int64_t>& dims,
1613                                                       const std::vector<std::string>* symbolic_dims) {
1614   ThrowOnError(GetApi().CreateTensorTypeAndShapeInfo(&p_));
1615   ThrowOnError(GetApi().SetTensorElementType(p_, element_type));
1616   ThrowOnError(GetApi().SetDimensions(p_, dims.data(), dims.size()));
1617 
1618   if (symbolic_dims) {
1619     std::vector<const char*> symbolic_dims_cstr;
1620     symbolic_dims_cstr.reserve(symbolic_dims->size());
1621     std::transform(symbolic_dims->begin(), symbolic_dims->end(), std::back_inserter(symbolic_dims_cstr),
1622                    [](const std::string& s) { return s.c_str(); });
1623     ThrowOnError(GetApi().SetSymbolicDimensions(p_, symbolic_dims_cstr.data(), symbolic_dims_cstr.size()));
1624   }
1625 }
1626 
1627 #if !defined(ORT_MINIMAL_BUILD)
1628 // static
1629 inline TypeInfo TypeInfo::CreateTensorInfo(ConstTensorTypeAndShapeInfo tensor_type_and_shape_info) {
1630   OrtTypeInfo* output = nullptr;
1631   ThrowOnError(GetModelEditorApi().CreateTensorTypeInfo(tensor_type_and_shape_info, &output));
1632   return TypeInfo{output};
1633 }
1634 
1635 // static
1636 inline TypeInfo TypeInfo::CreateSparseTensorInfo(ConstTensorTypeAndShapeInfo sparse_tensor_type_and_shape_info) {
1637   OrtTypeInfo* output = nullptr;
1638   ThrowOnError(GetModelEditorApi().CreateSparseTensorTypeInfo(sparse_tensor_type_and_shape_info, &output));
1639   return TypeInfo{output};
1640 }
1641 
1642 // static
1643 inline TypeInfo TypeInfo::CreateSequenceTypeInfo(ConstTypeInfo sequence_type) {
1644   OrtTypeInfo* output;
1645   ThrowOnError(GetModelEditorApi().CreateSequenceTypeInfo(sequence_type, &output));
1646   return TypeInfo{output};
1647 }
1648 
1649 // static
1650 inline TypeInfo TypeInfo::CreateMapTypeInfo(ONNXTensorElementDataType key_type, ConstTypeInfo value_type) {
1651   OrtTypeInfo* output;
1652   ThrowOnError(GetModelEditorApi().CreateMapTypeInfo(key_type, value_type, &output));
1653   return TypeInfo{output};
1654 }
1655 
1656 // static
1657 inline TypeInfo TypeInfo::CreateOptionalTypeInfo(ConstTypeInfo contained_type) {
1658   OrtTypeInfo* output;
1659   ThrowOnError(GetModelEditorApi().CreateOptionalTypeInfo(contained_type, &output));
1660   return TypeInfo{output};
1661 }
1662 #endif  // #if !defined(ORT_MINIMAL_BUILD)
1663 
1664 namespace detail {
1665 
1666 template <typename T>
1667 inline ONNXTensorElementDataType TensorTypeAndShapeInfoImpl<T>::GetElementType() const {
1668   ONNXTensorElementDataType out;
1669   ThrowOnError(GetApi().GetTensorElementType(this->p_, &out));
1670   return out;
1671 }
1672 
1673 template <typename T>
1674 inline size_t TensorTypeAndShapeInfoImpl<T>::GetElementCount() const {
1675   size_t out;
1676   ThrowOnError(GetApi().GetTensorShapeElementCount(this->p_, &out));
1677   return static_cast<size_t>(out);
1678 }
1679 
1680 template <typename T>
1681 inline size_t TensorTypeAndShapeInfoImpl<T>::GetDimensionsCount() const {
1682   size_t out;
1683   ThrowOnError(GetApi().GetDimensionsCount(this->p_, &out));
1684   return out;
1685 }
1686 
1687 template <typename T>
1688 inline void TensorTypeAndShapeInfoImpl<T>::GetDimensions(int64_t* values, size_t values_count) const {
1689   ThrowOnError(GetApi().GetDimensions(this->p_, values, values_count));
1690 }
1691 
1692 template <typename T>
1693 inline void TensorTypeAndShapeInfoImpl<T>::GetSymbolicDimensions(const char** values, size_t values_count) const {
1694   ThrowOnError(GetApi().GetSymbolicDimensions(this->p_, values, values_count));
1695 }
1696 
1697 template <typename T>
1698 inline std::vector<const char*> TensorTypeAndShapeInfoImpl<T>::GetSymbolicDimensions() const {
1699   std::vector<const char*> out(GetDimensionsCount(), nullptr);
1700   ThrowOnError(GetApi().GetSymbolicDimensions(this->p_, out.data(), out.size()));
1701   return out;
1702 }
1703 
1704 template <typename T>
1705 inline std::vector<int64_t> TensorTypeAndShapeInfoImpl<T>::GetShape() const {
1706   std::vector<int64_t> out(GetDimensionsCount(), -1);
1707   ThrowOnError(GetApi().GetDimensions(this->p_, out.data(), out.size()));
1708   return out;
1709 }
1710 
1711 template <typename T>
1712 inline ConstTensorTypeAndShapeInfo TypeInfoImpl<T>::GetTensorTypeAndShapeInfo() const {
1713   const OrtTensorTypeAndShapeInfo* out;
1714   ThrowOnError(GetApi().CastTypeInfoToTensorInfo(this->p_, &out));
1715   return ConstTensorTypeAndShapeInfo{out};
1716 }
1717 
1718 template <typename T>
1719 inline ConstSequenceTypeInfo TypeInfoImpl<T>::GetSequenceTypeInfo() const {
1720   const OrtSequenceTypeInfo* out;
1721   ThrowOnError(GetApi().CastTypeInfoToSequenceTypeInfo(this->p_, &out));
1722   return ConstSequenceTypeInfo{out};
1723 }
1724 
1725 template <typename T>
1726 inline ConstMapTypeInfo TypeInfoImpl<T>::GetMapTypeInfo() const {
1727   const OrtMapTypeInfo* out;
1728   ThrowOnError(GetApi().CastTypeInfoToMapTypeInfo(this->p_, &out));
1729   return ConstMapTypeInfo{out};
1730 }
1731 
1732 template <typename T>
1733 inline ONNXType TypeInfoImpl<T>::GetONNXType() const {
1734   ONNXType out;
1735   ThrowOnError(GetApi().GetOnnxTypeFromTypeInfo(this->p_, &out));
1736   return out;
1737 }
1738 
1739 template <typename T>
1740 inline TypeInfo SequenceTypeInfoImpl<T>::GetSequenceElementType() const {
1741   OrtTypeInfo* output;
1742   ThrowOnError(GetApi().GetSequenceElementType(this->p_, &output));
1743   return TypeInfo{output};
1744 }
1745 
1746 template <typename T>
1747 inline TypeInfo OptionalTypeInfoImpl<T>::GetOptionalElementType() const {
1748   OrtTypeInfo* info;
1749   ThrowOnError(GetApi().GetOptionalContainedTypeInfo(this->p_, &info));
1750   return TypeInfo{info};
1751 }
1752 
1753 template <typename T>
1754 inline ONNXTensorElementDataType MapTypeInfoImpl<T>::GetMapKeyType() const {
1755   ONNXTensorElementDataType out;
1756   ThrowOnError(GetApi().GetMapKeyType(this->p_, &out));
1757   return out;
1758 }
1759 
1760 template <typename T>
1761 inline TypeInfo MapTypeInfoImpl<T>::GetMapValueType() const {
1762   OrtTypeInfo* output;
1763   ThrowOnError(GetApi().GetMapValueType(this->p_, &output));
1764   return TypeInfo{output};
1765 }
1766 
1767 template <typename T>
1768 inline ConstOptionalTypeInfo TypeInfoImpl<T>::GetOptionalTypeInfo() const {
1769   const OrtOptionalTypeInfo* info;
1770   ThrowOnError(GetApi().CastTypeInfoToOptionalTypeInfo(this->p_, &info));
1771   return ConstOptionalTypeInfo{info};
1772 }
1773 
1774 }  // namespace detail
1775 
1776 namespace detail {
1777 
1778 template <typename T>
1779 template <typename R>
1780 inline void ConstValueImpl<T>::GetOpaqueData(const char* domain, const char* type_name, R& out) const {
1781   ThrowOnError(GetApi().GetOpaqueValue(domain, type_name, this->p_, &out, sizeof(R)));
1782 }
1783 
1784 template <typename T>
1785 inline bool ConstValueImpl<T>::IsTensor() const {
1786   int out;
1787   ThrowOnError(GetApi().IsTensor(this->p_, &out));
1788   return out != 0;
1789 }
1790 
1791 template <typename T>
1792 inline bool ConstValueImpl<T>::HasValue() const {
1793   int out;
1794   ThrowOnError(GetApi().HasValue(this->p_, &out));
1795   return out != 0;
1796 }
1797 
1798 template <typename T>
1799 inline size_t ConstValueImpl<T>::GetCount() const {
1800   size_t out;
1801   ThrowOnError(GetApi().GetValueCount(this->p_, &out));
1802   return out;
1803 }
1804 
1805 template <typename T>
1806 inline Value ConstValueImpl<T>::GetValue(int index, OrtAllocator* allocator) const {
1807   OrtValue* out;
1808   ThrowOnError(GetApi().GetValue(this->p_, index, allocator, &out));
1809   return Value{out};
1810 }
1811 
1812 template <typename T>
1813 inline size_t ConstValueImpl<T>::GetStringTensorDataLength() const {
1814   size_t out;
1815   ThrowOnError(GetApi().GetStringTensorDataLength(this->p_, &out));
1816   return out;
1817 }
1818 
1819 template <typename T>
1820 inline size_t ConstValueImpl<T>::GetStringTensorElementLength(size_t element_index) const {
1821   size_t out;
1822   ThrowOnError(GetApi().GetStringTensorElementLength(this->p_, element_index, &out));
1823   return out;
1824 }
1825 
1826 template <typename T>
1827 template <typename R>
1828 inline const R* ConstValueImpl<T>::GetTensorData() const {
1829   R* out;
1830   ThrowOnError(GetApi().GetTensorMutableData(const_cast<OrtValue*>(this->p_), (void**)&out));
1831   return out;
1832 }
1833 
1834 template <typename T>
1835 inline const void* ConstValueImpl<T>::GetTensorRawData() const {
1836   void* out;
1837   ThrowOnError(GetApi().GetTensorMutableData(const_cast<OrtValue*>(this->p_), &out));
1838   return out;
1839 }
1840 
1841 template <typename T>
1842 inline TypeInfo ConstValueImpl<T>::GetTypeInfo() const {
1843   OrtTypeInfo* output;
1844   ThrowOnError(GetApi().GetTypeInfo(this->p_, &output));
1845   return TypeInfo{output};
1846 }
1847 
1848 template <typename T>
1849 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetTensorTypeAndShapeInfo() const {
1850   OrtTensorTypeAndShapeInfo* output;
1851   ThrowOnError(GetApi().GetTensorTypeAndShape(this->p_, &output));
1852   return TensorTypeAndShapeInfo{output};
1853 }
1854 
1855 template <typename T>
1856 inline ConstMemoryInfo ConstValueImpl<T>::GetTensorMemoryInfo() const {
1857   const OrtMemoryInfo* mem_info;
1858   ThrowOnError(GetApi().GetTensorMemoryInfo(this->p_, &mem_info));
1859   return ConstMemoryInfo(mem_info);
1860 }
1861 
1862 template <typename T>
1863 inline void ConstValueImpl<T>::GetStringTensorElement(size_t buffer_length, size_t element_index, void* buffer) const {
1864   ThrowOnError(GetApi().GetStringTensorElement(this->p_, buffer_length, element_index, buffer));
1865 }
1866 
1867 template <typename T>
1868 inline std::string ConstValueImpl<T>::GetStringTensorElement(size_t element_index) const {
1869   size_t buffer_length;
1870   ThrowOnError(GetApi().GetStringTensorElementLength(this->p_, element_index, &buffer_length));
1871 
1872   std::string s;
1873   s.resize(buffer_length);
1874   ThrowOnError(GetApi().GetStringTensorElement(this->p_, buffer_length, element_index, &s[0]));
1875   return s;
1876 }
1877 
1878 template <typename T>
1879 inline void ConstValueImpl<T>::GetStringTensorContent(void* buffer, size_t buffer_length, size_t* offsets, size_t offsets_count) const {
1880   ThrowOnError(GetApi().GetStringTensorContent(this->p_, buffer, buffer_length, offsets, offsets_count));
1881 }
1882 
1883 #if !defined(DISABLE_SPARSE_TENSORS)
1884 template <typename T>
1885 inline OrtSparseFormat ConstValueImpl<T>::GetSparseFormat() const {
1886   OrtSparseFormat format;
1887   ThrowOnError(GetApi().GetSparseTensorFormat(this->p_, &format));
1888   return format;
1889 }
1890 
1891 template <typename T>
1892 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetSparseTensorValuesTypeAndShapeInfo() const {
1893   OrtTensorTypeAndShapeInfo* output;
1894   ThrowOnError(GetApi().GetSparseTensorValuesTypeAndShape(this->p_, &output));
1895   return TensorTypeAndShapeInfo{output};
1896 }
1897 
1898 template <typename T>
1899 inline TensorTypeAndShapeInfo ConstValueImpl<T>::GetSparseTensorIndicesTypeShapeInfo(OrtSparseIndicesFormat indices_format) const {
1900   OrtTensorTypeAndShapeInfo* output;
1901   ThrowOnError(GetApi().GetSparseTensorIndicesTypeShape(this->p_, indices_format, &output));
1902   return TensorTypeAndShapeInfo{output};
1903 }
1904 
1905 template <typename T>
1906 template <typename R>
1907 inline const R* ConstValueImpl<T>::GetSparseTensorIndicesData(OrtSparseIndicesFormat indices_format, size_t& num_indices) const {
1908   const void* out;
1909   ThrowOnError(GetApi().GetSparseTensorIndices(this->p_, indices_format, &num_indices, &out));
1910   return reinterpret_cast<const R*>(out);
1911 }
1912 
1913 template <typename T>
1914 inline bool ConstValueImpl<T>::IsSparseTensor() const {
1915   int out;
1916   ThrowOnError(GetApi().IsSparseTensor(this->p_, &out));
1917   return out != 0;
1918 }
1919 
1920 template <typename T>
1921 template <typename R>
1922 inline const R* ConstValueImpl<T>::GetSparseTensorValues() const {
1923   const void* out;
1924   ThrowOnError(GetApi().GetSparseTensorValues(this->p_, &out));
1925   return reinterpret_cast<const R*>(out);
1926 }
1927 
1928 #endif
1929 
1930 template <typename T>
1931 void ValueImpl<T>::FillStringTensor(const char* const* s, size_t s_len) {
1932   ThrowOnError(GetApi().FillStringTensor(this->p_, s, s_len));
1933 }
1934 
1935 template <typename T>
1936 void ValueImpl<T>::FillStringTensorElement(const char* s, size_t index) {
1937   ThrowOnError(GetApi().FillStringTensorElement(this->p_, s, index));
1938 }
1939 
1940 template <typename T>
1941 inline char* ValueImpl<T>::GetResizedStringTensorElementBuffer(size_t index, size_t buffer_length) {
1942   char* result;
1943   ThrowOnError(GetApi().GetResizedStringTensorElementBuffer(this->p_, index, buffer_length, &result));
1944   return result;
1945 }
1946 
1947 template <typename T>
1948 void* ValueImpl<T>::GetTensorMutableRawData() {
1949   void* out;
1950   ThrowOnError(GetApi().GetTensorMutableData(this->p_, &out));
1951   return out;
1952 }
1953 
1954 template <typename T>
1955 template <typename R>
1956 R* ValueImpl<T>::GetTensorMutableData() {
1957   R* out;
1958   ThrowOnError(GetApi().GetTensorMutableData(this->p_, (void**)&out));
1959   return out;
1960 }
1961 
1962 template <typename T>
1963 template <typename R>
1964 R& ValueImpl<T>::At(const std::vector<int64_t>& location) {
1965   static_assert(!std::is_same<T, std::string>::value, "this api does not support std::string");
1966   R* out;
1967   ThrowOnError(GetApi().TensorAt(this->p_, location.data(), location.size(), (void**)&out));
1968   return *out;
1969 }
1970 
1971 #if !defined(DISABLE_SPARSE_TENSORS)
1972 template <typename T>
1973 void ValueImpl<T>::UseCooIndices(int64_t* indices_data, size_t indices_num) {
1974   ThrowOnError(GetApi().UseCooIndices(this->p_, indices_data, indices_num));
1975 }
1976 
1977 template <typename T>
1978 void ValueImpl<T>::UseCsrIndices(int64_t* inner_data, size_t inner_num, int64_t* outer_data, size_t outer_num) {
1979   ThrowOnError(GetApi().UseCsrIndices(this->p_, inner_data, inner_num, outer_data, outer_num));
1980 }
1981 
1982 template <typename T>
1983 void ValueImpl<T>::UseBlockSparseIndices(const Shape& indices_shape, int32_t* indices_data) {
1984   ThrowOnError(GetApi().UseBlockSparseIndices(this->p_, indices_shape.shape, indices_shape.shape_len, indices_data));
1985 }
1986 
1987 template <typename T>
1988 void ValueImpl<T>::FillSparseTensorCoo(const OrtMemoryInfo* mem_info, const OrtSparseValuesParam& values_param,
1989                                        const int64_t* indices_data, size_t indices_num) {
1990   ThrowOnError(GetApi().FillSparseTensorCoo(this->p_, mem_info, values_param.values_shape,
1991                                             values_param.values_shape_len, values_param.data.p_data,
1992                                             indices_data, indices_num));
1993 }
1994 
1995 template <typename T>
1996 void ValueImpl<T>::FillSparseTensorCsr(const OrtMemoryInfo* data_mem_info,
1997                                        const OrtSparseValuesParam& values,
1998                                        const int64_t* inner_indices_data, size_t inner_indices_num,
1999                                        const int64_t* outer_indices_data, size_t outer_indices_num) {
2000   ThrowOnError(GetApi().FillSparseTensorCsr(this->p_, data_mem_info, values.values_shape, values.values_shape_len, values.data.p_data,
2001                                             inner_indices_data, inner_indices_num,
2002                                             outer_indices_data, outer_indices_num));
2003 }
2004 
2005 template <typename T>
2006 void ValueImpl<T>::FillSparseTensorBlockSparse(const OrtMemoryInfo* data_mem_info,
2007                                                const OrtSparseValuesParam& values,
2008                                                const Shape& indices_shape,
2009                                                const int32_t* indices_data) {
2010   ThrowOnError(GetApi().FillSparseTensorBlockSparse(this->p_, data_mem_info, values.values_shape, values.values_shape_len, values.data.p_data,
2011                                                     indices_shape.shape, indices_shape.shape_len,
2012                                                     indices_data));
2013 }
2014 
2015 #endif  // !defined(DISABLE_SPARSE_TENSORS)
2016 
2017 }  // namespace detail
2018 
2019 template <typename T>
2020 inline Value Value::CreateTensor(const OrtMemoryInfo* info, T* p_data, size_t p_data_element_count,
2021                                  const int64_t* shape, size_t shape_len) {
2022   return CreateTensor(info, p_data, p_data_element_count * sizeof(T), shape, shape_len, TypeToTensorType<T>::type);
2023 }
2024 
2025 inline Value Value::CreateTensor(const OrtMemoryInfo* info, void* p_data, size_t p_data_byte_count,
2026                                  const int64_t* shape, size_t shape_len,
2027                                  ONNXTensorElementDataType type) {
2028   OrtValue* out;
2029   ThrowOnError(GetApi().CreateTensorWithDataAsOrtValue(info, p_data, p_data_byte_count, shape, shape_len, type, &out));
2030   return Value{out};
2031 }
2032 
2033 inline Value Value::CreateTensor(OrtAllocator* deleter, void* p_data, size_t p_data_byte_count,
2034                                  const int64_t* shape, size_t shape_len,
2035                                  ONNXTensorElementDataType type) {
2036   OrtValue* out;
2037   ThrowOnError(GetApi().CreateTensorWithDataAndDeleterAsOrtValue(deleter, p_data, p_data_byte_count,
2038                                                                  shape, shape_len, type, &out));
2039   return Value{out};
2040 }
2041 
2042 template <typename T>
2043 inline Value Value::CreateTensor(OrtAllocator* allocator, const int64_t* shape, size_t shape_len) {
2044   return CreateTensor(allocator, shape, shape_len, TypeToTensorType<T>::type);
2045 }
2046 
2047 inline Value Value::CreateTensor(OrtAllocator* allocator, const int64_t* shape, size_t shape_len,
2048                                  ONNXTensorElementDataType type) {
2049   OrtValue* out;
2050   ThrowOnError(GetApi().CreateTensorAsOrtValue(allocator, shape, shape_len, type, &out));
2051   return Value{out};
2052 }
2053 
2054 #if !defined(DISABLE_SPARSE_TENSORS)
2055 
2056 template <typename T>
2057 inline Value Value::CreateSparseTensor(const OrtMemoryInfo* info, T* p_data, const Shape& dense_shape,
2058                                        const Shape& values_shape) {
2059   return CreateSparseTensor(info, p_data, dense_shape, values_shape, TypeToTensorType<T>::type);
2060 }
2061 
2062 inline Value Value::CreateSparseTensor(const OrtMemoryInfo* info, void* p_data, const Shape& dense_shape,
2063                                        const Shape& values_shape, ONNXTensorElementDataType type) {
2064   OrtValue* out;
2065   ThrowOnError(GetApi().CreateSparseTensorWithValuesAsOrtValue(info, p_data, dense_shape.shape, dense_shape.shape_len,
2066                                                                values_shape.shape, values_shape.shape_len, type,
2067                                                                &out));
2068   return Value{out};
2069 }
2070 
2071 template <typename T>
2072 inline Value Value::CreateSparseTensor(OrtAllocator* allocator, const Shape& dense_shape) {
2073   return CreateSparseTensor(allocator, dense_shape, TypeToTensorType<T>::type);
2074 }
2075 
2076 inline Value Value::CreateSparseTensor(OrtAllocator* allocator, const Shape& dense_shape,
2077                                        ONNXTensorElementDataType type) {
2078   OrtValue* out;
2079   ThrowOnError(GetApi().CreateSparseTensorAsOrtValue(allocator, dense_shape.shape, dense_shape.shape_len, type, &out));
2080   return Value{out};
2081 }
2082 #endif  // !defined(DISABLE_SPARSE_TENSORS)
2083 
2084 inline Value Value::CreateMap(const Value& keys, const Value& values) {
2085   OrtValue* out;
2086   const OrtValue* inputs[2] = {keys, values};
2087   ThrowOnError(GetApi().CreateValue(inputs, 2, ONNX_TYPE_MAP, &out));
2088   return Value{out};
2089 }
2090 
2091 inline Value Value::CreateSequence(const std::vector<Value>& values) {
2092   OrtValue* out;
2093   std::vector<const OrtValue*> values_ort{values.data(), values.data() + values.size()};
2094   ThrowOnError(GetApi().CreateValue(values_ort.data(), values_ort.size(), ONNX_TYPE_SEQUENCE, &out));
2095   return Value{out};
2096 }
2097 
2098 template <typename T>
2099 inline Value Value::CreateOpaque(const char* domain, const char* type_name, const T& data_container) {
2100   OrtValue* out;
2101   ThrowOnError(GetApi().CreateOpaqueValue(domain, type_name, &data_container, sizeof(T), &out));
2102   return Value{out};
2103 }
2104 
2105 //
2106 // Custom OP Inlines
2107 //
2108 inline Logger::Logger(const OrtLogger* logger) : logger_(logger) {
2109   Ort::ThrowOnError(GetApi().Logger_GetLoggingSeverityLevel(this->logger_, &this->cached_severity_level_));
2110 }
2111 
2112 inline OrtLoggingLevel Logger::GetLoggingSeverityLevel() const noexcept {
2113   return cached_severity_level_;
2114 }
2115 
2116 inline Status Logger::LogMessage(OrtLoggingLevel log_severity_level, const ORTCHAR_T* file_path, int line_number,
2117                                  const char* func_name, const char* message) const noexcept {
2118   OrtStatus* status = GetApi().Logger_LogMessage(logger_, log_severity_level, message, file_path, line_number,
2119                                                  func_name);
2120   return Status{status};
2121 }
2122 
2123 // Disable warnings about the format string not being a literal (-Wformat-nonliteral and -Wformat-security)
2124 // for gcc and clang. The alternative is to use actual C-style variadic parameters and apply
2125 // __attribute__(format(printf...)), which does not work with variadic templates.
2126 #if defined(__GNUC__)
2127 #pragma GCC diagnostic push
2128 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
2129 #pragma GCC diagnostic ignored "-Wformat-security"
2130 #elif defined(__clang__)
2131 #pragma clang diagnostic push
2132 #pragma clang diagnostic ignored "-Wformat-nonliteral"
2133 #pragma clang diagnostic ignored "-Wformat-security"
2134 #endif
2135 template <typename... Args>
2136 inline Status Logger::LogFormattedMessage(OrtLoggingLevel log_severity_level, const ORTCHAR_T* file_path,
2137                                           int line_number, const char* func_name, const char* format,
2138                                           Args&&... args) const noexcept {
2139   int msg_len = std::snprintf(nullptr, 0U, format, std::forward<Args>(args)...);
2140 
2141   if (msg_len < 0) {  // Formatting error
2142     return Status("Failed to log message due to formatting error", OrtErrorCode::ORT_FAIL);
2143   }
2144 
2145   OrtStatus* status = nullptr;
2146   const size_t buffer_size = static_cast<size_t>(msg_len) + 1U;
2147 
2148   constexpr size_t kStackBufferSize = 1024;
2149 
2150   if (buffer_size < kStackBufferSize) {
2151     char buffer[kStackBufferSize];
2152     snprintf(buffer, kStackBufferSize, format, std::forward<Args>(args)...);
2153     status = GetApi().Logger_LogMessage(logger_, log_severity_level, buffer, file_path, line_number, func_name);
2154   } else {
2155     // std::make_unique is only supported starting at C++14.
2156 #if (__cplusplus >= 201402L) || (_MSC_VER >= 1900)
2157     auto buffer = std::make_unique<char[]>(buffer_size);
2158 #else
2159     std::unique_ptr<char[]> buffer(new char[buffer_size]);
2160 #endif
2161     std::snprintf(buffer.get(), buffer_size, format, std::forward<Args>(args)...);
2162     status = GetApi().Logger_LogMessage(logger_, log_severity_level, buffer.get(), file_path, line_number, func_name);
2163   }
2164 
2165   return Status{status};
2166 }
2167 // Re-enable -Wformat-nonliteral and -Wformat-security
2168 #if defined(__GNUC__)
2169 #pragma GCC diagnostic pop
2170 #elif defined(__clang__)
2171 #pragma clang diagnostic pop
2172 #endif
2173 
2174 inline KernelContext::KernelContext(OrtKernelContext* context) : ctx_(context) {
2175 }
2176 
2177 inline size_t KernelContext::GetInputCount() const {
2178   size_t out = 0;
2179   Ort::ThrowOnError(GetApi().KernelContext_GetInputCount(ctx_, &out));
2180   return out;
2181 }
2182 
2183 inline size_t KernelContext::GetOutputCount() const {
2184   size_t out = 0;
2185   Ort::ThrowOnError(GetApi().KernelContext_GetOutputCount(ctx_, &out));
2186   return out;
2187 }
2188 
2189 inline ConstValue KernelContext::GetInput(size_t index) const {
2190   const OrtValue* out = nullptr;
2191   Ort::ThrowOnError(GetApi().KernelContext_GetInput(ctx_, index, &out));
2192   return ConstValue{out};
2193 }
2194 
2195 inline UnownedValue KernelContext::GetOutput(size_t index, const int64_t* dim_values, size_t dim_count) const {
2196   OrtValue* out = nullptr;
2197   Ort::ThrowOnError(GetApi().KernelContext_GetOutput(ctx_, index, dim_values, dim_count, &out));
2198   return UnownedValue(out);
2199 }
2200 
2201 inline UnownedValue KernelContext::GetOutput(size_t index, const std::vector<int64_t>& dims) const {
2202   OrtValue* out = nullptr;
2203   Ort::ThrowOnError(GetApi().KernelContext_GetOutput(ctx_, index, dims.data(), dims.size(), &out));
2204   return UnownedValue(out);
2205 }
2206 
2207 inline void* KernelContext::GetGPUComputeStream() const {
2208   void* out = nullptr;
2209   Ort::ThrowOnError(GetApi().KernelContext_GetGPUComputeStream(ctx_, &out));
2210   return out;
2211 }
2212 
2213 inline OrtAllocator* KernelContext::GetAllocator(const OrtMemoryInfo& memory_info) const {
2214   OrtAllocator* out = nullptr;
2215   Ort::ThrowOnError(GetApi().KernelContext_GetAllocator(ctx_, &memory_info, &out));
2216   return out;
2217 }
2218 
2219 inline Logger KernelContext::GetLogger() const {
2220   const OrtLogger* out = nullptr;
2221   ThrowOnError(GetApi().KernelContext_GetLogger(this->ctx_, &out));
2222   return Logger{out};
2223 }
2224 
2225 inline void KernelContext::ParallelFor(void (*fn)(void*, size_t), size_t total, size_t num_batch, void* usr_data) const {
2226   ThrowOnError(GetApi().KernelContext_ParallelFor(ctx_, fn, total, num_batch, usr_data));
2227 }
2228 
2229 inline OpAttr::OpAttr(const char* name, const void* data, int len, OrtOpAttrType type) {
2230   Ort::ThrowOnError(GetApi().CreateOpAttr(name, data, len, type, &p_));
2231 }
2232 
2233 namespace detail {
2234 template <typename T>
2235 inline KernelInfo KernelInfoImpl<T>::Copy() const {
2236   OrtKernelInfo* info_copy = nullptr;
2237   Ort::ThrowOnError(GetApi().CopyKernelInfo(this->p_, &info_copy));
2238   return KernelInfo{info_copy};
2239 }
2240 
2241 template <typename T>
2242 inline size_t KernelInfoImpl<T>::GetInputCount() const {
2243   size_t out = 0;
2244   ThrowOnError(GetApi().KernelInfo_GetInputCount(this->p_, &out));
2245   return out;
2246 }
2247 
2248 template <typename T>
2249 inline size_t KernelInfoImpl<T>::GetOutputCount() const {
2250   size_t out = 0;
2251   ThrowOnError(GetApi().KernelInfo_GetOutputCount(this->p_, &out));
2252   return out;
2253 }
2254 
2255 template <typename T>
2256 inline std::string KernelInfoImpl<T>::GetInputName(size_t index) const {
2257   size_t size = 0;
2258 
2259   // Feed nullptr for the data buffer to query the true size of the string value
2260   Ort::ThrowOnError(GetApi().KernelInfo_GetInputName(this->p_, index, nullptr, &size));
2261 
2262   std::string out;
2263   out.resize(size);
2264   Ort::ThrowOnError(GetApi().KernelInfo_GetInputName(this->p_, index, &out[0], &size));
2265   out.resize(size - 1);  // remove the terminating character '\0'
2266 
2267   return out;
2268 }
2269 
2270 template <typename T>
2271 inline std::string KernelInfoImpl<T>::GetOutputName(size_t index) const {
2272   size_t size = 0;
2273 
2274   // Feed nullptr for the data buffer to query the true size of the string value
2275   Ort::ThrowOnError(GetApi().KernelInfo_GetOutputName(this->p_, index, nullptr, &size));
2276 
2277   std::string out;
2278   out.resize(size);
2279   Ort::ThrowOnError(GetApi().KernelInfo_GetOutputName(this->p_, index, &out[0], &size));
2280   out.resize(size - 1);  // remove the terminating character '\0'
2281 
2282   return out;
2283 }
2284 
2285 template <typename T>
2286 inline TypeInfo KernelInfoImpl<T>::GetInputTypeInfo(size_t index) const {
2287   OrtTypeInfo* out = nullptr;
2288   ThrowOnError(GetApi().KernelInfo_GetInputTypeInfo(this->p_, index, &out));
2289   return TypeInfo{out};
2290 }
2291 
2292 template <typename T>
2293 inline TypeInfo KernelInfoImpl<T>::GetOutputTypeInfo(size_t index) const {
2294   OrtTypeInfo* out = nullptr;
2295   ThrowOnError(GetApi().KernelInfo_GetOutputTypeInfo(this->p_, index, &out));
2296   return TypeInfo{out};
2297 }
2298 
2299 template <typename T>
2300 inline Value KernelInfoImpl<T>::GetTensorAttribute(const char* name, OrtAllocator* allocator) const {
2301   OrtValue* out = nullptr;
2302   ThrowOnError(GetApi().KernelInfoGetAttribute_tensor(this->p_, name, allocator, &out));
2303   return Value{out};
2304 }
2305 
2306 template <typename T>
2307 inline ConstValue KernelInfoImpl<T>::GetTensorConstantInput(size_t index, int* is_constant) const {
2308   const OrtValue* out = nullptr;
2309   ThrowOnError(GetApi().KernelInfoGetConstantInput_tensor(this->p_, index, is_constant, &out));
2310   return ConstValue{out};
2311 }
2312 
2313 template <typename T>
2314 inline std::string KernelInfoImpl<T>::GetNodeName() const {
2315   size_t size = 0;
2316 
2317   // Feed nullptr for the data buffer to query the true size of the string value
2318   Ort::ThrowOnError(GetApi().KernelInfo_GetNodeName(this->p_, nullptr, &size));
2319 
2320   std::string out;
2321   out.resize(size);
2322   Ort::ThrowOnError(GetApi().KernelInfo_GetNodeName(this->p_, &out[0], &size));
2323   out.resize(size - 1);  // remove the terminating character '\0'
2324 
2325   return out;
2326 }
2327 
2328 template <typename T>
2329 inline Logger KernelInfoImpl<T>::GetLogger() const {
2330   const OrtLogger* out = nullptr;
2331   ThrowOnError(GetApi().KernelInfo_GetLogger(this->p_, &out));
2332   return Logger{out};
2333 }
2334 
2335 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, float& out) {
2336   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_float(p, name, &out));
2337 }
2338 
2339 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, int64_t& out) {
2340   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_int64(p, name, &out));
2341 }
2342 
2343 inline void attr_utils::GetAttr(const OrtKernelInfo* p, const char* name, std::string& result) {
2344   size_t size = 0;
2345   // Feed nullptr for the data buffer to query the true size of the string attribute
2346   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_string(p, name, nullptr, &size));
2347 
2348   std::string out;
2349   out.resize(size);
2350   Ort::ThrowOnError(GetApi().KernelInfoGetAttribute_string(p, name, &out[0], &size));
2351   out.resize(size - 1);  // remove the terminating character '\0'
2352   out.swap(result);
2353 }
2354 
2355 inline void attr_utils::GetAttrs(const OrtKernelInfo* p, const char* name, std::vector<float>& result) {
2356   size_t size = 0;
2357   // Feed nullptr for the data buffer to query the true size of the attribute
2358   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_float(p, name, nullptr, &size));
2359 
2360   std::vector<float> out;
2361   out.resize(size);
2362   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_float(p, name, out.data(), &size));
2363   out.swap(result);
2364 }
2365 
2366 inline void attr_utils::GetAttrs(const OrtKernelInfo* p, const char* name, std::vector<int64_t>& result) {
2367   size_t size = 0;
2368 
2369   // Feed nullptr for the data buffer to query the true size of the attribute
2370   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_int64(p, name, nullptr, &size));
2371 
2372   std::vector<int64_t> out;
2373   out.resize(size);
2374   Ort::ThrowOnError(GetApi().KernelInfoGetAttributeArray_int64(p, name, out.data(), &size));
2375   out.swap(result);
2376 }
2377 }  // namespace detail
2378 
2379 inline KernelInfo::KernelInfo(OrtKernelInfo* info) : detail::KernelInfoImpl<OrtKernelInfo>{info} {}
2380 
2381 inline Op::Op(OrtOp* p) : detail::Base<OrtOp>(p) {}
2382 
2383 inline Op Op::Create(const OrtKernelInfo* info, const char* op_name, const char* domain, int version,
2384                      const char** type_constraint_names,
2385                      const ONNXTensorElementDataType* type_constraint_values,
2386                      size_t type_constraint_count,
2387                      const OpAttr* attr_values, size_t attr_count,
2388                      size_t input_count, size_t output_count) {
2389   static_assert(sizeof(OpAttr) == sizeof(OrtOpAttr*),
2390                 "OpAttr's is expected to be just an array of OrtOpAttr in memory so we can reinterpret safely");
2391   auto attr_input_values = reinterpret_cast<const OrtOpAttr* const*>(attr_values);
2392   OrtOp* op;
2393   Ort::ThrowOnError(GetApi().CreateOp(info, op_name, domain, version, type_constraint_names, type_constraint_values,
2394                                       static_cast<int>(type_constraint_count),
2395                                       attr_input_values,
2396                                       static_cast<int>(attr_count),
2397                                       static_cast<int>(input_count),
2398                                       static_cast<int>(output_count), &op));
2399   return Op{op};
2400 }
2401 
2402 inline void Op::Invoke(const OrtKernelContext* context,
2403                        const Value* input_values,
2404                        size_t input_count,
2405                        Value* output_values,
2406                        size_t output_count) {
2407   static_assert(sizeof(Value) == sizeof(OrtValue*),
2408                 "Value is really just an array of OrtValue* in memory, so we can reinterpret_cast safely");
2409   auto ort_input_values = reinterpret_cast<const OrtValue* const*>(input_values);
2410   auto ort_output_values = reinterpret_cast<OrtValue**>(output_values);
2411   Ort::ThrowOnError(GetApi().InvokeOp(context, p_, ort_input_values, static_cast<int>(input_count),
2412                                       ort_output_values, static_cast<int>(output_count)));
2413 }
2414 
2415 inline void Op::Invoke(const OrtKernelContext* context,
2416                        const OrtValue* const* input_values,
2417                        size_t input_count,
2418                        OrtValue* const* output_values,
2419                        size_t output_count) {
2420   Ort::ThrowOnError(GetApi().InvokeOp(context, p_, input_values, static_cast<int>(input_count),
2421                                       output_values, static_cast<int>(output_count)));
2422 }
2423 
2424 inline std::string GetVersionString() {
2425   return OrtGetApiBase()->GetVersionString();
2426 }
2427 
2428 inline std::string GetBuildInfoString() {
2429   return GetApi().GetBuildInfoString();
2430 }
2431 
2432 inline std::vector<std::string> GetAvailableProviders() {
2433   char** providers;
2434   int len;
2435 
2436   auto release_fn = [&len](char** providers) {
2437     // This should always return nullptr.
2438     ThrowOnError(GetApi().ReleaseAvailableProviders(providers, len));
2439   };
2440 
2441   ThrowOnError(GetApi().GetAvailableProviders(&providers, &len));
2442   std::unique_ptr<char*, decltype(release_fn)> guard(providers, release_fn);
2443   std::vector<std::string> available_providers;
2444   available_providers.reserve(static_cast<size_t>(len));
2445   for (int i = 0; i < len; ++i) {
2446     available_providers.emplace_back(providers[i]);
2447   }
2448   return available_providers;
2449 }
2450 
2451 template <typename TOp, typename TKernel, bool WithStatus>
2452 void CustomOpBase<TOp, TKernel, WithStatus>::GetSessionConfigs(std::unordered_map<std::string, std::string>& out,
2453                                                                ConstSessionOptions options) const {
2454   const TOp* derived = static_cast<const TOp*>(this);
2455   std::vector<std::string> keys = derived->GetSessionConfigKeys();
2456 
2457   out.reserve(keys.size());
2458 
2459   std::string config_entry_key = detail::MakeCustomOpConfigEntryKey(derived->GetName(), "");
2460   const size_t prefix_size = config_entry_key.length();
2461 
2462   for (const auto& key : keys) {
2463     config_entry_key.resize(prefix_size);
2464     config_entry_key.append(key);
2465     out[key] = options.GetConfigEntryOrDefault(config_entry_key.c_str(), "");
2466   }
2467 }
2468 
2469 inline ShapeInferContext::ShapeInferContext(const OrtApi* ort_api,
2470                                             OrtShapeInferContext* ctx) : ort_api_(ort_api), ctx_(ctx) {
2471   size_t input_count = 0;
2472   Ort::ThrowOnError(ort_api_->ShapeInferContext_GetInputCount(ctx_, &input_count));
2473   for (size_t ith_input = 0; ith_input < input_count; ++ith_input) {
2474     OrtTensorTypeAndShapeInfo* info{};
2475     Ort::ThrowOnError(ort_api_->ShapeInferContext_GetInputTypeShape(ctx, ith_input, &info));
2476     TensorTypeAndShapeInfo type_shape_info(info);
2477     auto integer_shape = type_shape_info.GetShape();
2478     std::vector<const char*> symbolic_shape(integer_shape.size(), {});
2479     if (!integer_shape.empty()) {
2480       type_shape_info.GetSymbolicDimensions(&symbolic_shape[0], integer_shape.size());
2481     }
2482     Shape shape;
2483     for (size_t ith = 0; ith < integer_shape.size(); ++ith) {
2484       if (symbolic_shape[ith] && std::string{symbolic_shape[ith]}.size() > 0) {
2485         shape.emplace_back(symbolic_shape[ith]);
2486       } else {
2487         shape.emplace_back(integer_shape[ith]);
2488       }
2489     }
2490     input_shapes_.push_back(std::move(shape));
2491     type_shape_info.release();
2492   }
2493 }
2494 
2495 inline Status ShapeInferContext::SetOutputShape(size_t indice, const Shape& shape, ONNXTensorElementDataType type) {
2496   OrtTensorTypeAndShapeInfo* info = {};
2497   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->CreateTensorTypeAndShapeInfo(&info));
2498   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->SetTensorElementType(info, type));
2499 
2500   using InfoPtr = std::unique_ptr<OrtTensorTypeAndShapeInfo, std::function<void(OrtTensorTypeAndShapeInfo*)>>;
2501 
2502   InfoPtr info_ptr(info, [this](OrtTensorTypeAndShapeInfo* obj) {
2503     ort_api_->ReleaseTensorTypeAndShapeInfo(obj);
2504   });
2505 
2506   std::vector<int64_t> integer_dims;
2507   std::vector<const char*> symbolic_dims;
2508 
2509   for (const auto dim : shape) {
2510     if (dim.IsInt()) {
2511       integer_dims.push_back(dim.AsInt());
2512       symbolic_dims.push_back("");
2513     } else {
2514       if (!dim.AsSym() || std::string{dim.AsSym()}.empty()) {
2515         ORT_CXX_API_THROW("Symbolic dim must not be an empty string", ORT_INVALID_ARGUMENT);
2516       }
2517       integer_dims.push_back(SymbolicInteger::INVALID_INT_DIM);
2518       symbolic_dims.push_back(dim.AsSym());
2519     }
2520   }
2521 
2522   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->SetDimensions(info, integer_dims.data(), integer_dims.size()));
2523   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->SetSymbolicDimensions(info, symbolic_dims.data(), symbolic_dims.size()));
2524   ORT_CXX_RETURN_ON_API_FAIL(ort_api_->ShapeInferContext_SetOutputTypeShape(ctx_, indice, info));
2525   return Status{nullptr};
2526 }
2527 
2528 inline int64_t ShapeInferContext::GetAttrInt(const char* attr_name) {
2529   const auto* attr = GetAttrHdl(attr_name);
2530   int64_t i = {};
2531   size_t out = {};
2532   Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INT, &i, sizeof(i), &out));
2533   return i;
2534 }
2535 
2536 inline ShapeInferContext::Ints ShapeInferContext::GetAttrInts(const char* attr_name) {
2537   const auto* attr = GetAttrHdl(attr_name);
2538   int64_t i = {};
2539   size_t out = {};
2540   // first call to get the bytes needed
2541   // 1. A status == nullptr means that ReadOpAttr was successful. A status != nullptr means failure.
2542   // 2. The ReadOpAttr function should normally be called twice: once to get the needed buffer size (returns a status != nullptr), and a second time to actually read the ints (returns status == null on success).
2543   // 3. This code tries a subtle optimization in the first call to ReadOpAttr. It passes in a buffer (&i) of size 1 just in case there is only 1 int. In this case, status == nullptr and we need to return {i}.
2544   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INTS, &i, sizeof(i), &out);
2545   if (status) {
2546     size_t num_i = out / sizeof(int64_t);
2547     ShapeInferContext::Ints ints(num_i, 0);
2548     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_INTS, ints.data(), out, &out));
2549     return ints;
2550   } else {
2551     if (out == 0u) {
2552       return {};
2553     }
2554     return {i};
2555   }
2556 }
2557 
2558 inline float ShapeInferContext::GetAttrFloat(const char* attr_name) {
2559   const auto* attr = GetAttrHdl(attr_name);
2560   float f = {};
2561   size_t out = {};
2562   Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOAT, &f, sizeof(f), &out));
2563   return f;
2564 }
2565 
2566 inline ShapeInferContext::Floats ShapeInferContext::GetAttrFloats(const char* attr_name) {
2567   const auto* attr = GetAttrHdl(attr_name);
2568   float f = {};
2569   size_t out = {};
2570   // first call to get the bytes needed
2571   // 1. A status == nullptr means that ReadOpAttr was successful. A status != nullptr means failure.
2572   // 2. The ReadOpAttr function should normally be called twice: once to get the needed buffer size (returns a status != nullptr), and a second time to actually read the ints (returns status == null on success).
2573   // 3. This code tries a subtle optimization in the first call to ReadOpAttr. It passes in a buffer (&i) of size 1 just in case there is only 1 int. In this case, status == nullptr and we need to return {i}.
2574   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOATS, &f, sizeof(f), &out);
2575   if (status) {
2576     size_t num_f = out / sizeof(float);
2577     ShapeInferContext::Floats floats(num_f, 0);
2578     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_FLOATS, floats.data(), out, &out));
2579     return floats;
2580   } else {
2581     if (out == 0u) {
2582       return {};
2583     }
2584     return {f};
2585   }
2586 }
2587 
2588 inline std::string ShapeInferContext::GetAttrString(const char* attr_name) {
2589   const auto* attr = GetAttrHdl(attr_name);
2590   char c = {};
2591   size_t out = {};
2592   // first call to get the bytes needed
2593   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRING, &c, sizeof(char), &out);
2594   if (status) {
2595     std::vector<char> chars(out, '\0');
2596     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRING, chars.data(), out, &out));
2597     return {chars.data()};
2598   } else {
2599     return {c};
2600   }
2601 }
2602 
2603 inline ShapeInferContext::Strings ShapeInferContext::GetAttrStrings(const char* attr_name) {
2604   const auto* attr = GetAttrHdl(attr_name);
2605   char c = {};
2606   size_t out = {};
2607   // first call to get the bytes needed
2608   // 1. A status == nullptr means that ReadOpAttr was successful. A status != nullptr means failure.
2609   // 2. The ReadOpAttr function should normally be called twice: once to get the needed buffer size (returns a status != nullptr), and a second time to actually read the ints (returns status == null on success).
2610   // 3. This code tries a subtle optimization in the first call to ReadOpAttr. It passes in a buffer (&i) of size 1 just in case there is only 1 int. In this case, status == nullptr and we need to return {i}.
2611   auto status = ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRINGS, &c, sizeof(char), &out);
2612   if (status) {
2613     std::vector<char> chars(out, '\0');
2614     Ort::ThrowOnError(ort_api_->ReadOpAttr(attr, ORT_OP_ATTR_STRINGS, chars.data(), out, &out));
2615     ShapeInferContext::Strings strings;
2616     char* char_st = chars.data();
2617     char* char_ed = char_st + out;
2618     while (char_st < char_ed) {
2619       strings.emplace_back(char_st);
2620       while (*char_st != '\0') {
2621         char_st++;
2622       }
2623       char_st++;
2624     }
2625     return strings;
2626   } else {
2627     if (out == 0u) {
2628       return {};
2629     }
2630     return {std::string{c}};
2631   }
2632 }
2633 
2634 inline const OrtOpAttr* ShapeInferContext::GetAttrHdl(const char* attr_name) const {
2635   const OrtOpAttr* attr_hdl = {};
2636   Ort::ThrowOnError(ort_api_->ShapeInferContext_GetAttribute(ctx_, attr_name, &attr_hdl));
2637   return attr_hdl;
2638 }
2639 
2640 namespace detail {
2641 inline std::vector<const char*> StringsToCharPtrs(const std::vector<std::string>& strings) {
2642   std::vector<const char*> ptrs;
2643   ptrs.reserve(strings.size());
2644   std::transform(strings.begin(), strings.end(), std::back_inserter(ptrs),
2645                  [](const std::string& s) { return s.c_str(); });
2646 
2647   return ptrs;
2648 }
2649 }  // namespace detail
2650 
2651 #if !defined(ORT_MINIMAL_BUILD)
2652 // static
2653 inline void Node::Init(const std::string& operator_name, const std::string& operator_domain,
2654                        const std::string& node_name,
2655                        const std::vector<std::string>& input_names,
2656                        const std::vector<std::string>& output_names,
2657                        std::vector<OpAttr>& attributes,
2658                        OrtNode*& node) {
2659   auto inputs = detail::StringsToCharPtrs(input_names);
2660   auto outputs = detail::StringsToCharPtrs(output_names);
2661 
2662   std::vector<OrtOpAttr*> attributes_ptrs;
2663   attributes_ptrs.reserve(attributes.size());
2664   std::transform(attributes.begin(), attributes.end(), std::back_inserter(attributes_ptrs),
2665                  [](OpAttr& attr) -> OrtOpAttr* { return attr; });
2666 
2667   ThrowOnError(GetModelEditorApi().CreateNode(operator_name.c_str(), operator_domain.c_str(), node_name.c_str(),
2668                                               inputs.data(), inputs.size(),
2669                                               outputs.data(), outputs.size(),
2670                                               attributes_ptrs.data(), attributes_ptrs.size(),
2671                                               &node));
2672 
2673   // Node now owns the attributes
2674   std::for_each(attributes.begin(), attributes.end(), [](OpAttr& attr) { attr.release(); });
2675 }
2676 
2677 inline Node::Node(const std::string& operator_name, const std::string& operator_domain,
2678                   const std::string& node_name,
2679                   const std::vector<std::string>& input_names,
2680                   const std::vector<std::string>& output_names,
2681                   std::vector<OpAttr>& attributes) {
2682   Init(operator_name, operator_domain, node_name, input_names, output_names, attributes, p_);
2683 }
2684 
2685 inline Node::Node(const std::string& operator_name, const std::string& operator_domain,
2686                   const std::string& node_name,
2687                   const std::vector<std::string>& input_names,
2688                   const std::vector<std::string>& output_names) {
2689   std::vector<OpAttr> empty_attributes;
2690   Init(operator_name, operator_domain, node_name, input_names, output_names, empty_attributes, p_);
2691 }
2692 
2693 inline Graph::Graph() {
2694   ThrowOnError(GetModelEditorApi().CreateGraph(&p_));
2695 }
2696 
2697 inline Model::Model(const std::vector<DomainOpsetPair>& opsets) {
2698   std::vector<const char*> domains;
2699   std::vector<int> versions;
2700   domains.reserve(opsets.size());
2701   versions.reserve(opsets.size());
2702 
2703   for (const auto& pair : opsets) {
2704     domains.push_back(pair.first.c_str());
2705     versions.push_back(pair.second);
2706   }
2707 
2708   ThrowOnError(GetModelEditorApi().CreateModel(domains.data(), versions.data(), opsets.size(), &p_));
2709 }
2710 
2711 inline ValueInfo::ValueInfo(const std::string& name, const ConstTypeInfo& type_info) {
2712   ThrowOnError(GetModelEditorApi().CreateValueInfo(name.c_str(), type_info, &p_));
2713 }
2714 #endif  // !defined(ORT_MINIMAL_BUILD)
2715 
2716 namespace detail {
2717 template <>
2718 inline std::string ValueInfoImpl<OrtValueInfo>::Name() const {
2719   const char* name = nullptr;
2720   ThrowOnError(GetApi().GetValueInfoName(this->p_, &name));
2721   return name;
2722 }
2723 
2724 template <>
2725 inline ConstTypeInfo ValueInfoImpl<OrtValueInfo>::TypeInfo() const {
2726   const OrtTypeInfo* type_info = nullptr;
2727   ThrowOnError(GetApi().GetValueInfoTypeInfo(this->p_, &type_info));
2728   return ConstTypeInfo{type_info};
2729 }
2730 
2731 #if !defined(ORT_MINIMAL_BUILD)
2732 template <>
2733 inline void GraphImpl<OrtGraph>::SetInputs(std::vector<ValueInfo>& inputs) {
2734   std::vector<OrtValueInfo*> inputs_ptrs;
2735   inputs_ptrs.reserve(inputs.size());
2736   std::transform(inputs.begin(), inputs.end(), std::back_inserter(inputs_ptrs),
2737                  [](ValueInfo& vi) -> OrtValueInfo* { return vi; });
2738 
2739   ThrowOnError(GetModelEditorApi().SetGraphInputs(p_, inputs_ptrs.data(), inputs_ptrs.size()));
2740 
2741   // Graph now owns the inputs
2742   std::for_each(inputs.begin(), inputs.end(), [](ValueInfo& vi) { vi.release(); });
2743 }
2744 
2745 template <>
2746 inline void GraphImpl<OrtGraph>::SetOutputs(std::vector<ValueInfo>& outputs) {
2747   std::vector<OrtValueInfo*> outputs_ptrs;
2748   outputs_ptrs.reserve(outputs.size());
2749   std::transform(outputs.begin(), outputs.end(), std::back_inserter(outputs_ptrs),
2750                  [](ValueInfo& vi) -> OrtValueInfo* { return vi; });
2751 
2752   ThrowOnError(GetModelEditorApi().SetGraphOutputs(p_, outputs_ptrs.data(), outputs_ptrs.size()));
2753 
2754   // Graph now owns the outputs
2755   std::for_each(outputs.begin(), outputs.end(), [](ValueInfo& vi) { vi.release(); });
2756 }
2757 
2758 template <>
2759 inline void GraphImpl<OrtGraph>::AddInitializer(const std::string& name, Value& initializer, bool data_is_external) {
2760   // Graph takes ownership of `initializer`
2761   ThrowOnError(GetModelEditorApi().AddInitializerToGraph(p_, name.c_str(), initializer.release(), data_is_external));
2762 }
2763 
2764 template <>
2765 inline void GraphImpl<OrtGraph>::AddNode(Node& node) {
2766   // Graph takes ownership of `node`
2767   ThrowOnError(GetModelEditorApi().AddNodeToGraph(p_, node.release()));
2768 }
2769 
2770 template <>
2771 inline void ModelImpl<OrtModel>::AddGraph(Graph& graph) {
2772   // Model takes ownership of `graph`
2773   ThrowOnError(GetModelEditorApi().AddGraphToModel(p_, graph.release()));
2774 }
2775 #endif  // !defined(ORT_MINIMAL_BUILD)
2776 
2777 }  // namespace detail
2778 }  // namespace Ort