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cty.go
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/
cty.go
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// Copyright 2023 Volvo Car Corporation
// SPDX-License-Identifier: Apache-2.0
package terrajen
import (
"fmt"
"github.com/veggiemonk/strcase"
"github.com/dave/jennifer/jen"
"github.com/zclconf/go-cty/cty"
)
func ctyTypeReturnType(ct cty.Type) *jen.Statement {
switch {
case ct == cty.Bool:
return qualBoolValue()
case ct == cty.String:
return qualStringValue()
case ct == cty.Number:
return qualNumberValue()
case ct.IsMapType():
return qualMapValue().Types(ctyTypeReturnType(ct.ElementType()))
case ct.IsSetType():
return qualSetValue().Types(ctyTypeReturnType(ct.ElementType()))
case ct.IsListType():
return qualListValue().Types(ctyTypeReturnType(ct.ElementType()))
default:
panic(fmt.Sprintf("unsupported AttributeType: %s", ct.GoString()))
}
}
func funcReferenceByCtyType(ct cty.Type) *jen.Statement {
switch {
case ct == cty.Bool:
return qualReferenceAsBool()
case ct == cty.String:
return qualReferenceAsString()
case ct == cty.Number:
return qualReferenceAsNumber()
case ct.IsMapType():
subType := ctyTypeReturnType(ct.ElementType())
return qualReferenceAsMap().Types(subType)
case ct.IsSetType():
subType := ctyTypeReturnType(ct.ElementType())
return qualReferenceAsSet().Types(subType)
case ct.IsListType():
subType := ctyTypeReturnType(ct.ElementType())
return qualReferenceAsList().Types(subType)
default:
panic(fmt.Sprintf("unsupported AttributeType: %s", ct.GoString()))
}
}
func ctyTypeToGoType(
t cty.Type,
attrName string,
) jen.Code {
if t.IsObjectType() {
return jen.StructFunc(
func(g *jen.Group) {
for k, v := range t.AttributeTypes() {
g.Id(strcase.Pascal(k)).Add(
ctyTypeToGoType(
v,
strcase.Pascal(attrName+k),
),
).Tag(
map[string]string{
tagJSON: k,
},
)
}
},
)
}
if t.IsListType() {
if et := t.ListElementType(); et != nil {
c := ctyTypeToGoType(*et, attrName)
return jen.Index().Add(c)
}
panic("unsupported list type")
}
if t.IsMapType() {
if et := t.MapElementType(); et != nil {
c := ctyTypeToGoType(*et, attrName)
return jen.Map(jen.String()).Add(c)
}
panic("unsupported map type")
}
if t.IsSetType() {
if et := t.SetElementType(); et != nil {
c := ctyTypeToGoType(*et, attrName)
return jen.Index().Add(c)
}
panic("unsupported set type")
}
switch t {
case cty.String:
return jen.String()
case cty.Bool:
return jen.Bool()
case cty.Number:
return jen.Float64()
default:
panic(fmt.Sprintf("unsupported type: %s", t.FriendlyName()))
}
}