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#pragma once
#include "resource.h"
#include <yql/essentials/public/udf/udf_value.h>
#include <yql/essentials/public/udf/udf_helpers.h>
namespace NJson2Udf {
using namespace NKikimr;
using namespace NUdf;
using namespace NYql;
class TCompilePath: public TBoxedValue {
public:
TCompilePath(TSourcePosition pos)
: Pos_(pos)
{
}
static const TStringRef& Name() {
static auto name = TStringRef::Of("CompilePath");
return name;
}
static bool DeclareSignature(
const TStringRef& name,
TType* userType,
IFunctionTypeInfoBuilder& builder,
bool typesOnly) {
Y_UNUSED(userType);
if (name != Name()) {
return false;
}
auto resourceType = builder.Resource(JSONPATH_RESOURCE_NAME);
builder.Args()
->Add<NUdf::TUtf8>()
.Done()
.Returns(resourceType);
if (!typesOnly) {
builder.Implementation(new TCompilePath(builder.GetSourcePosition()));
}
return true;
}
private:
const size_t MaxParseErrors = 10;
TUnboxedValue Run(
const IValueBuilder* valueBuilder,
const TUnboxedValuePod* args) const final {
Y_UNUSED(valueBuilder);
try {
TIssues issues;
const auto jsonPath = NJsonPath::ParseJsonPath(args[0].AsStringRef(), issues, MaxParseErrors);
if (!issues.Empty()) {
ythrow yexception() << "Error parsing jsonpath:" << Endl << issues.ToString();
}
return TUnboxedValuePod(new TJsonPathResource(jsonPath));
} catch (const std::exception& e) {
UdfTerminate((TStringBuilder() << Pos_ << " " << e.what()).data());
}
}
TSourcePosition Pos_;
};
}
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