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#include "peel.h"
#include "node.h"
#include "yson.h"
#include "json.h"
#include "convert.h"
#include <yql/essentials/public/udf/udf_type_inspection.h>
#include <yql/essentials/public/udf/udf_type_printer.h>
namespace NYql::NDom {
using namespace NUdf;
namespace {
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelData(const TDataTypeId nodeType, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
switch (nodeType) {
case TDataType<char*>::Id: return ConvertToString<Strict, AutoConvert, false>(value, valueBuilder, pos);
case TDataType<TUtf8>::Id: return ConvertToString<Strict, AutoConvert, true>(value, valueBuilder, pos);
case TDataType<bool>::Id: return ConvertToBool<Strict, AutoConvert>(value, valueBuilder, pos);
case TDataType<i8>::Id: return ConvertToIntegral<Strict, AutoConvert, i8>(value, valueBuilder, pos);
case TDataType<i16>::Id: return ConvertToIntegral<Strict, AutoConvert, i16>(value, valueBuilder, pos);
case TDataType<i32>::Id: return ConvertToIntegral<Strict, AutoConvert, i32>(value, valueBuilder, pos);
case TDataType<i64>::Id: return ConvertToIntegral<Strict, AutoConvert, i64>(value, valueBuilder, pos);
case TDataType<ui8>::Id: return ConvertToIntegral<Strict, AutoConvert, ui8>(value, valueBuilder, pos);
case TDataType<ui16>::Id: return ConvertToIntegral<Strict, AutoConvert, ui16>(value, valueBuilder, pos);
case TDataType<ui32>::Id: return ConvertToIntegral<Strict, AutoConvert, ui32>(value, valueBuilder, pos);
case TDataType<ui64>::Id: return ConvertToIntegral<Strict, AutoConvert, ui64>(value, valueBuilder, pos);
case TDataType<float>::Id: return ConvertToFloat<Strict, AutoConvert, float>(value, valueBuilder, pos);
case TDataType<double>::Id: return ConvertToFloat<Strict, AutoConvert, double>(value, valueBuilder, pos);
case TDataType<TYson>::Id: return valueBuilder->NewString(SerializeYsonDomToBinary(value)).Release();
case TDataType<TJson>::Id: return valueBuilder->NewString(SerializeJsonDom(value)).Release();
default: break;
}
UdfTerminate((::TStringBuilder() << "Unsupported data type: " << static_cast<int>(nodeType)).c_str());
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod TryPeelDom(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos);
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelList(const ITypeInfoHelper* typeHelper, const TType* itemType, const TUnboxedValuePod x, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
switch (GetNodeType(x)) {
case ENodeType::List: {
if (!x.IsBoxed())
break;
if constexpr (Strict || AutoConvert) {
return TUnboxedValuePod(new TLazyConveter(x, std::bind(&PeelDom<Strict, AutoConvert>, typeHelper, itemType, std::placeholders::_1, valueBuilder, pos)));
}
TSmallVec<TUnboxedValue, TUnboxedValue::TAllocator> values;
if (const auto elements = x.GetElements()) {
const auto size = x.GetListLength();
values.reserve(size);
for (ui32 i = 0U; i < size; ++i) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, itemType, elements[i], valueBuilder, pos))
values.emplace_back(item.GetOptionalValue());
else if constexpr (Strict)
UdfTerminate("Error on convert list item.");
}
} else {
const auto it = x.GetListIterator();
for (TUnboxedValue v; it.Next(v);) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, itemType, v, valueBuilder, pos))
values.emplace_back(item.GetOptionalValue());
else if constexpr (Strict)
UdfTerminate("Error on convert list item.");
}
}
if (values.empty()) {
break;
}
return valueBuilder->NewList(values.data(), values.size()).Release();
}
case ENodeType::Attr:
return PeelList<Strict, AutoConvert>(typeHelper, itemType, x.GetVariantItem().Release(), valueBuilder, pos);
default:
if constexpr (AutoConvert)
break;
else if constexpr (Strict)
UdfTerminate("Cannot parse list from entity, scalar value or dict.");
else
return {};
}
return valueBuilder->NewEmptyList().Release();
}
template<bool Strict, bool AutoConvert, bool Utf8Keys>
TUnboxedValuePod PeelDict(const ITypeInfoHelper* typeHelper, const TType* itemType, const TUnboxedValuePod x, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
switch (GetNodeType(x)) {
case ENodeType::Dict:
if (!x.IsBoxed())
break;
if constexpr (!Utf8Keys && (Strict || AutoConvert)) {
return TUnboxedValuePod(new TLazyConveter(x, std::bind(&PeelDom<Strict, AutoConvert>, typeHelper, itemType, std::placeholders::_1, valueBuilder, pos)));
}
if (const auto size = x.GetDictLength()) {
TSmallVec<TPair, TStdAllocatorForUdf<TPair>> pairs;
pairs.reserve(size);
const auto it = x.GetDictIterator();
for (TUnboxedValue key, payload; it.NextPair(key, payload);) {
if (const auto k = ConvertToString<Strict, AutoConvert, Utf8Keys>(key.Release(), valueBuilder, pos)) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, itemType, payload, valueBuilder, pos)) {
pairs.emplace_back(std::move(k), item.GetOptionalValue());
continue;
}
}
if constexpr (Strict)
UdfTerminate("Error on convert dict payload.");
}
if (pairs.empty()) {
break;
}
return TUnboxedValuePod(new TMapNode(pairs.data(), pairs.size()));
}
break;
case ENodeType::Attr:
return PeelDict<Strict, AutoConvert, Utf8Keys>(typeHelper, itemType, x.GetVariantItem().Release(), valueBuilder, pos);
default:
if constexpr (AutoConvert)
break;
else if constexpr (Strict)
UdfTerminate("Cannot parse dict from entity, scalar value or list.");
else
return {};
}
return valueBuilder->NewEmptyList().Release();
}
TUnboxedValuePod MakeStub(const ITypeInfoHelper* typeHelper, const TType* shape, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
switch (const auto kind = typeHelper->GetTypeKind(shape)) {
case ETypeKind::Optional:
return TUnboxedValuePod();
case ETypeKind::Data:
switch (const auto nodeType = TDataTypeInspector(*typeHelper, shape).GetTypeId()) {
case TDataType<char*>::Id:
case TDataType<TUtf8>::Id:
case TDataType<bool>::Id:
case TDataType<i8>::Id:
case TDataType<i16>::Id:
case TDataType<i32>::Id:
case TDataType<i64>::Id:
case TDataType<ui8>::Id:
case TDataType<ui16>::Id:
case TDataType<ui32>::Id:
case TDataType<ui64>::Id:
case TDataType<float>::Id:
case TDataType<double>::Id:
case TDataType<TDecimal>::Id:
return TUnboxedValuePod::Zero();
case TDataType<TYson>::Id:
return TUnboxedValuePod::Embedded("#");
case TDataType<TJson>::Id:
return TUnboxedValuePod::Embedded("null");
default:
UdfTerminate((::TStringBuilder() << "Unsupported data type: " << static_cast<int>(nodeType)).c_str());
}
case ETypeKind::Tuple:
if (const auto tupleTypeInspector = TTupleTypeInspector(*typeHelper, shape); auto count = tupleTypeInspector.GetElementsCount()) {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(count, items);
items += count;
do *--items = MakeStub(typeHelper, tupleTypeInspector.GetElementType(--count), valueBuilder, pos);
while (count);
return result.Release();
}
return valueBuilder->NewEmptyList().Release();
case ETypeKind::Struct:
if (const auto structTypeInspector = TStructTypeInspector(*typeHelper, shape); auto count = structTypeInspector.GetMembersCount()) {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(count, items);
items += count;
do *--items = MakeStub(typeHelper, structTypeInspector.GetMemberType(--count), valueBuilder, pos);
while (count);
return result.Release();
}
return valueBuilder->NewEmptyList().Release();
case ETypeKind::List:
case ETypeKind::Dict:
return valueBuilder->NewEmptyList().Release();
case ETypeKind::Resource:
if (const auto inspector = TResourceTypeInspector(*typeHelper, shape); TStringBuf(inspector.GetTag()) == NodeResourceName)
return MakeEntity();
[[fallthrough]];
default:
UdfTerminate((::TStringBuilder() << "Unsupported data kind: " << kind).c_str());
}
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelTuple(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod x, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
if (const auto tupleTypeInspector = TTupleTypeInspector(*typeHelper, shape); auto count = tupleTypeInspector.GetElementsCount()) {
switch (GetNodeType(x)) {
case ENodeType::List: {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(count, items);
ui32 i = 0U;
if (x.IsBoxed()) {
if (auto elements = x.GetElements()) {
for (auto size = x.GetListLength(); count && size--; --count) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, tupleTypeInspector.GetElementType(i++), *elements++, valueBuilder, pos))
*items++ = item.GetOptionalValue();
else if constexpr (Strict)
UdfTerminate("Error on convert tuple item.");
else
return {};
}
} else if (const auto it = x.GetListIterator()) {
for (TUnboxedValue v; count && it.Next(v); --count) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, tupleTypeInspector.GetElementType(i++), v, valueBuilder, pos))
*items++ = item.GetOptionalValue();
else if constexpr (Strict)
UdfTerminate("Error on convert tuple item.");
else
return {};
}
}
}
if (count) do
if constexpr (AutoConvert)
*items++ = MakeStub(typeHelper, tupleTypeInspector.GetElementType(i++), valueBuilder, pos);
else if (ETypeKind::Optional == typeHelper->GetTypeKind(tupleTypeInspector.GetElementType(i++)))
++items;
else if constexpr (Strict)
UdfTerminate((::TStringBuilder() << "DOM list has less items then " << tupleTypeInspector.GetElementsCount() << " tuple elements.").c_str());
else
return {};
while (--count);
return result.Release();
}
case ENodeType::Attr:
return PeelTuple<Strict, AutoConvert>(typeHelper, shape, x.GetVariantItem().Release(), valueBuilder, pos);
default:
if constexpr (AutoConvert) {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(count, items);
for (ui32 i = 0ULL; i < count; ++i)
if (ETypeKind::Optional != typeHelper->GetTypeKind(tupleTypeInspector.GetElementType(i)))
*items++ = MakeStub(typeHelper, tupleTypeInspector.GetElementType(i), valueBuilder, pos);
else
++items;
return result.Release();
} else if constexpr (Strict)
UdfTerminate("Cannot parse tuple from entity, scalar value or dict.");
else
break;
}
}
return {};
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelStruct(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod x, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
if (const auto structTypeInspector = TStructTypeInspector(*typeHelper, shape)) {
const auto size = structTypeInspector.GetMembersCount();
switch (GetNodeType(x)) {
case ENodeType::Dict: {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(size, items);
for (ui32 i = 0ULL; i < size; ++i) {
if (x.IsBoxed()) {
if (const auto v = x.Lookup(valueBuilder->NewString(structTypeInspector.GetMemberName(i)))) {
if (const auto item = TryPeelDom<Strict, AutoConvert>(typeHelper, structTypeInspector.GetMemberType(i), v.GetOptionalValue(), valueBuilder, pos))
*items++ = item.GetOptionalValue();
else if constexpr (Strict)
UdfTerminate((::TStringBuilder() << "Error on convert struct member '" << structTypeInspector.GetMemberName(i) << "'.").c_str());
else
return {};
continue;
}
}
if constexpr (AutoConvert)
*items++ = MakeStub(typeHelper, structTypeInspector.GetMemberType(i), valueBuilder, pos);
else if (ETypeKind::Optional == typeHelper->GetTypeKind(structTypeInspector.GetMemberType(i)))
++items;
else if constexpr (Strict)
UdfTerminate((::TStringBuilder() << "Missed struct member '" << structTypeInspector.GetMemberName(i) << "'.").c_str());
else
return {};
}
return result.Release();
}
case ENodeType::Attr:
return PeelStruct<Strict, AutoConvert>(typeHelper, shape, x.GetVariantItem().Release(), valueBuilder, pos);
default:
if constexpr (AutoConvert) {
TUnboxedValue* items = nullptr;
auto result = valueBuilder->NewArray(size, items);
for (ui32 i = 0ULL; i < size; ++i)
if (ETypeKind::Optional != typeHelper->GetTypeKind(structTypeInspector.GetMemberType(i)))
*items++ = MakeStub(typeHelper, structTypeInspector.GetMemberType(i), valueBuilder, pos);
else
++items;
return result.Release();
} else if constexpr (Strict)
UdfTerminate("Cannot parse struct from entity, scalar value or list.");
else
break;
}
}
return {};
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelOptional(const ITypeInfoHelper* typeHelper, const TType* itemType, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
if (IsNodeType<ENodeType::Entity>(value))
return TUnboxedValuePod().MakeOptional();
if (const auto result = TryPeelDom<Strict, AutoConvert>(typeHelper, itemType, value, valueBuilder, pos); AutoConvert || result)
return result;
else if constexpr (Strict)
UdfTerminate("Failed to convert Yson DOM.");
else
return TUnboxedValuePod().MakeOptional();
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod TryPeelDom(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
switch (const auto kind = typeHelper->GetTypeKind(shape)) {
case ETypeKind::Data:
return PeelData<Strict, AutoConvert>(TDataTypeInspector(*typeHelper, shape).GetTypeId(), value, valueBuilder, pos);
case ETypeKind::Optional:
return PeelOptional<Strict, AutoConvert>(typeHelper, TOptionalTypeInspector(*typeHelper, shape).GetItemType(), value, valueBuilder, pos);
case ETypeKind::List:
return PeelList<Strict, AutoConvert>(typeHelper, TListTypeInspector(*typeHelper, shape).GetItemType(), value, valueBuilder, pos);
case ETypeKind::Dict: {
const auto dictTypeInspector = TDictTypeInspector(*typeHelper, shape);
const auto keyType = dictTypeInspector.GetKeyType();
if (const auto keyKind = typeHelper->GetTypeKind(keyType); ETypeKind::Data == keyKind)
switch (const auto keyId = TDataTypeInspector(*typeHelper, keyType).GetTypeId()) {
case TDataType<char*>::Id: return PeelDict<Strict, AutoConvert, false>(typeHelper, dictTypeInspector.GetValueType(), value, valueBuilder, pos);
case TDataType<TUtf8>::Id: return PeelDict<Strict, AutoConvert, true>(typeHelper, dictTypeInspector.GetValueType(), value, valueBuilder, pos);
default: UdfTerminate((::TStringBuilder() << "Unsupported dict key type: " << keyId).c_str());
}
else
UdfTerminate((::TStringBuilder() << "Unsupported dict key kind: " << keyKind).c_str());
}
case ETypeKind::Tuple:
return PeelTuple<Strict, AutoConvert>(typeHelper, shape, value, valueBuilder, pos);
case ETypeKind::Struct:
return PeelStruct<Strict, AutoConvert>(typeHelper, shape, value, valueBuilder, pos);
case ETypeKind::Resource:
if (const auto inspector = TResourceTypeInspector(*typeHelper, shape); TStringBuf(inspector.GetTag()) == NodeResourceName)
return value;
[[fallthrough]]; // AUTOGENERATED_FALLTHROUGH_FIXME
default:
UdfTerminate((::TStringBuilder() << "Unsupported data kind: " << kind).c_str());
}
}
}
template<bool Strict, bool AutoConvert>
TUnboxedValuePod PeelDom(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos) {
if (const auto result = TryPeelDom<Strict, AutoConvert>(typeHelper, shape, value, valueBuilder, pos))
return result.GetOptionalValue();
::TStringBuilder sb;
sb << "Failed to convert Yson DOM into strict type: ";
TTypePrinter(*typeHelper, shape).Out(sb.Out);
UdfTerminate(sb.c_str());
}
template TUnboxedValuePod PeelDom<true, true>(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos);
template TUnboxedValuePod PeelDom<false, true>(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos);
template TUnboxedValuePod PeelDom<true, false>(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos);
template TUnboxedValuePod PeelDom<false, false>(const ITypeInfoHelper* typeHelper, const TType* shape, const TUnboxedValuePod value, const IValueBuilder* valueBuilder, const TSourcePosition& pos);
}
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