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#pragma once
#include <yql/essentials/public/udf/udf_helpers.h>
namespace NUrlUdf {
using namespace NYql::NUdf;
struct TQueryStringConv : public TBoxedValue {
protected:
static constexpr char Separator[] = "Separator";
using TQueryStr = char*;
using TSeparatorNArg = TNamedArg<TQueryStr, Separator>;
static inline TType* GetListType(const IFunctionTypeInfoBuilder& builder,
bool optional = false)
{
auto tupleType = optional ?
builder.Tuple()->Add<TQueryStr>().Add(builder.Optional()->Item<TQueryStr>().Build()).Build()
: builder.Tuple()->Add<TQueryStr>().Add<TQueryStr>().Build();
return builder.List()->Item(tupleType).Build();
}
static inline TType* GetDictType(const IFunctionTypeInfoBuilder& builder,
bool optional = false)
{
auto listType = optional ?
builder.List()->Item(builder.Optional()->Item<TQueryStr>().Build()).Build()
: builder.List()->Item<TQueryStr>().Build();
return builder.Dict()->Key<TQueryStr>().Value(listType).Build();
}
static inline TType* GetFlattenDictType(const IFunctionTypeInfoBuilder& builder,
bool optional = false)
{
return optional ?
builder.Dict()->Key<TQueryStr>().Value(builder.Optional()->Item<TQueryStr>().Build()).Build()
: builder.Dict()->Key<TQueryStr>().Value<TQueryStr>().Build();
}
};
struct TQueryStringParse: public TQueryStringConv {
explicit TQueryStringParse(TSourcePosition&& pos) : Pos_(std::move(pos)) {}
protected:
static constexpr char KeepBlankValues[] = "KeepBlankValues";
static constexpr char Strict[] = "Strict";
static constexpr char MaxFields[] = "MaxFields";
using TKeepBlankValuesNArg = TNamedArg<bool, KeepBlankValues>;
using TStrictNArg = TNamedArg<bool, Strict>;
using TMaxFieldsNArg = TNamedArg<ui32, MaxFields>;
static void MakeSignature(IFunctionTypeInfoBuilder& builder, const TType* retType);
std::vector<std::pair<TString, TString>>
RunImpl(const TUnboxedValuePod* args) const;
private:
TSourcePosition Pos_;
};
struct TQueryStringToList : public TQueryStringParse {
explicit TQueryStringToList(TSourcePosition&& pos)
: TQueryStringParse(std::forward<TSourcePosition>(pos)) {}
static const TStringRef& Name() {
static const auto name = TStringRef::Of("QueryStringToList");
return name;
}
static bool DeclareSignature(const TStringRef& name,
TType*,
IFunctionTypeInfoBuilder& builder,
bool typesOnly);
TUnboxedValue Run(const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override;
};
struct TQueryStringToDict : public TQueryStringParse {
explicit TQueryStringToDict(TType* dictType, TSourcePosition&& pos)
: TQueryStringParse(std::move(pos))
, DictType_(dictType)
{}
static const TStringRef& Name() {
static const auto name = TStringRef::Of("QueryStringToDict");
return name;
}
static bool DeclareSignature(const TStringRef& name,
TType*,
IFunctionTypeInfoBuilder& builder,
bool typesOnly);
TUnboxedValue Run(const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override;
private:
TType* DictType_;
};
class TBuildQueryString : public TQueryStringConv {
TSourcePosition Pos_;
enum class EFirstArgTypeId {
None,
Dict,
FlattenDict,
List,
} FirstArgTypeId_;
public:
typedef bool TTypeAwareMarker;
explicit TBuildQueryString(TSourcePosition&& pos, EFirstArgTypeId firstArgTypeId)
: Pos_(std::move(pos))
, FirstArgTypeId_(firstArgTypeId)
{}
static const TStringRef& Name() {
static const auto name = TStringRef::Of("BuildQueryString");
return name;
}
TUnboxedValue Run(const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const override;
static bool DeclareSignature(const TStringRef& name,
TType* userType,
IFunctionTypeInfoBuilder& builder,
bool typesOnly);
};
}
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