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/*
* Copyright 2023 RAW Labs S.A.
*
* Use of this software is governed by the Business Source License
* included in the file licenses/BSL.txt.
*
* As of the Change Date specified in that file, in accordance with
* the Business Source License, use of this software will be governed
* by the Apache License, Version 2.0, included in the file
* licenses/APL.txt.
*/
package raw.compiler.rql2.builtin
import raw.client.api._
import raw.compiler.base.source.Type
import raw.compiler.rql2._
import raw.compiler.rql2.api.{Arg, EntryExtension, ExpParam, PackageExtension, Param, ShortEntryExtension}
import raw.compiler.rql2.source._
class DecimalPackage extends PackageExtension {
override def name: String = "Decimal"
override def docs: PackageDoc = PackageDoc(
description = "Library of functions for the decimal type."
)
}
class DecimalFromEntry extends EntryExtension {
override def packageName: String = "Decimal"
override def entryName: String = "From"
/**
* Documentation.
*/
override def docs: EntryDoc = EntryDoc(
"Builds a decimal from a number or string.",
examples = List(
ExampleDoc("""Decimal.From(1)""", result = Some("1.0")),
ExampleDoc("""Decimal.From("1")""", result = Some("1.0")),
ExampleDoc("""Decimal.From(1.5)""", result = Some("1.5"))
),
params = List(
ParamDoc("value", TypeDoc(List("number", "string")), "The value to convert to decimal.")
),
ret = Some(
ReturnDoc(
"The decimal representation of the value.",
Some(TypeDoc(List("decimal")))
)
)
)
override def nrMandatoryParams: Int = 1
override def getMandatoryParam(prevMandatoryArgs: Seq[Arg], idx: Int): Either[String, Param] = {
Right(ExpParam(numberOrString))
}
override def returnType(
mandatoryArgs: Seq[Arg],
optionalArgs: Seq[(String, Arg)],
varArgs: Seq[Arg]
)(implicit programContext: ProgramContext): Either[String, Type] = {
// Type as Try when passed a string in case the content doesn't parse.
val props: Set[Rql2TypeProperty] = mandatoryArgs(0).t match {
case _: Rql2StringType => Set(Rql2IsTryableTypeProperty())
case _ => Set.empty[Rql2TypeProperty]
}
Right(Rql2DecimalType(props))
}
}
class DecimalRoundEntry
extends ShortEntryExtension(
"Decimal",
"Round",
Vector(Rql2DecimalType(), Rql2IntType()),
Rql2DecimalType(),
EntryDoc(
summary = "Rounds a decimal to the specified number of decimal places.",
examples = List(
ExampleDoc("""Round(2.1234, 2)""", result = Some("2.12")),
ExampleDoc("""Round(2.1234, 3)""", result = Some("2.123"))
),
params = List(
ParamDoc("value", TypeDoc(List("decimal")), "The value to be round."),
ParamDoc("decimal cases", TypeDoc(List("int")), "Number of decimal places to round to.")
),
ret = Some(
ReturnDoc(
"The rounded decimal.",
Some(TypeDoc(List("decimal")))
)
)
)
)
