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typeutil.go
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typeutil.go
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package syslutil
import (
"strings"
"github.com/anz-bank/sysl/pkg/sysl"
"github.com/anz-bank/sysl/pkg/utils"
)
const namespaceSeparator = " :: "
// GetTypeDetail returns name of the type and details in string format
func GetTypeDetail(t *sysl.Type) (typeName string, typeDetail string) {
switch x := t.Type.(type) {
case *sysl.Type_Primitive_:
typeName = "primitive"
typeDetail = sysl.Type_Primitive_name[int32(x.Primitive)]
case *sysl.Type_TypeRef:
typeName = "type_ref"
typeDetail = JoinTypeRef(x.TypeRef)
case *sysl.Type_Sequence:
typeName = "sequence"
_, d := GetTypeDetail(x.Sequence)
typeDetail = d
case *sysl.Type_Set:
typeName = "set"
_, d := GetTypeDetail(x.Set)
typeDetail = d
case *sysl.Type_List_:
typeName = "list"
_, d := GetTypeDetail(x.List.Type)
typeDetail = d
case *sysl.Type_Tuple_:
typeName = "tuple"
case *sysl.Type_Relation_:
typeName = "relation"
case *sysl.Type_OneOf_:
typeName = "union"
}
return typeName, typeDetail
}
type BuiltInType = string
// BuiltInTypes are the builtin types of Sysl.
// There's no primitive int32 (and int64) type.
// The parser interprets the Sysl syntax int32 value
// as an int primitive with a bit width (sysl.Type_Constraint.BitWidth) of 32.
var BuiltInTypes = []BuiltInType{
Type_NO_Primitive,
Type_EMPTY,
Type_ANY,
Type_BOOL,
Type_INT,
Type_INT32,
Type_INT64,
Type_FLOAT,
Type_DECIMAL,
Type_STRING,
Type_BYTES,
Type_STRING_8,
Type_DATE,
Type_DATETIME,
Type_XML,
Type_UUID,
}
// nolint:revive,stylecheck
var (
Type_NO_Primitive BuiltInType = GetTypePrimitiveName(sysl.Type_NO_Primitive)
Type_EMPTY BuiltInType = GetTypePrimitiveName(sysl.Type_EMPTY)
Type_ANY BuiltInType = GetTypePrimitiveName(sysl.Type_ANY)
Type_BOOL BuiltInType = GetTypePrimitiveName(sysl.Type_BOOL)
Type_INT BuiltInType = GetTypePrimitiveName(sysl.Type_INT)
Type_INT32 BuiltInType = "int32"
Type_INT64 BuiltInType = "int64"
Type_FLOAT BuiltInType = GetTypePrimitiveName(sysl.Type_FLOAT)
Type_DECIMAL BuiltInType = GetTypePrimitiveName(sysl.Type_DECIMAL)
Type_STRING BuiltInType = GetTypePrimitiveName(sysl.Type_STRING)
Type_BYTES BuiltInType = GetTypePrimitiveName(sysl.Type_BYTES)
Type_STRING_8 BuiltInType = GetTypePrimitiveName(sysl.Type_STRING_8)
Type_DATE BuiltInType = GetTypePrimitiveName(sysl.Type_DATE)
Type_DATETIME BuiltInType = GetTypePrimitiveName(sysl.Type_DATETIME)
Type_XML BuiltInType = GetTypePrimitiveName(sysl.Type_XML)
Type_UUID BuiltInType = GetTypePrimitiveName(sysl.Type_UUID)
)
func IsBuiltIn(name string) bool {
return utils.Contains(name, BuiltInTypes)
}
// nolint:interfacer
func GetTypePrimitiveName(t sysl.Type_Primitive) string {
return strings.ToLower(t.String())
}
// TypeNone returns none-type
func TypeNone() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_NoType_{NoType: &sysl.Type_NoType{}}}
}
// TypeEmpty returns empty primitive type
func TypeEmpty() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_EMPTY}}
}
// TypeString returns string type
func TypeString() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_STRING}}
}
// TypeInt returns integer type
func TypeInt() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_INT}}
}
// TypeFloat returns float type
func TypeFloat() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_FLOAT}}
}
// TypeDecimal returns decimal type
func TypeDecimal() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_DECIMAL}}
}
// TypeBool returns boolean type
func TypeBool() *sysl.Type {
return &sysl.Type{Type: &sysl.Type_Primitive_{Primitive: sysl.Type_BOOL}}
}
// HasSameType returns true if type 2 matches with type 1
func HasSameType(type1 *sysl.Type, type2 *sysl.Type) bool {
if type1 == nil || type2 == nil {
return false
}
switch type1.GetType().(type) {
case *sysl.Type_Primitive_:
return type1.GetPrimitive() == type2.GetPrimitive()
case *sysl.Type_TypeRef:
if type2.GetTypeRef() != nil {
ref1 := type1.GetTypeRef().GetRef()
ref2 := type2.GetTypeRef().GetRef()
if ref1.GetAppname() != nil && ref2.GetAppname() != nil {
return ref1.GetAppname().GetPart()[0] == ref2.GetAppname().GetPart()[0]
} else if ref1.GetPath() != nil && ref2.GetPath() != nil {
return ref1.GetPath()[0] == ref2.GetPath()[0]
}
}
case *sysl.Type_Tuple_:
return type2.GetTuple() != nil
}
return false
}
// JoinAppName returns a string with the parts of an app name joined on the namespace separator.
func JoinAppName(name *sysl.AppName) string {
return JoinAppNameParts(name.GetPart()...)
}
// JoinAppNameParts returns a string with the parts of an app name joined on the namespace
// separator.
func JoinAppNameParts(parts ...string) string {
return strings.Join(parts, namespaceSeparator)
}
// SplitAppNameParts returns the parts of an app name that was previously joined into a string.
func SplitAppNameParts(appName string) []string {
parts := strings.Split(appName, strings.TrimSpace(namespaceSeparator))
for i := range parts {
parts[i] = strings.TrimSpace(parts[i])
}
return parts
}
// JoinTypePath returns a string with the parts of a type reference path joined on ".".
func JoinTypePath(path []string) string {
return strings.Join(path, ".")
}
// JoinTypeRef returns a string encoding the reference to a type.
//
// If the app name is present it will be joined on " :: " and prefixed to the path, joined by ".".
func JoinTypeRef(ref *sysl.ScopedRef) string {
return JoinTypeRefScope(ref.Ref)
}
// JoinTypeRefScope returns a string encoding the reference to a type.
//
// If the app name is present it will be joined on " :: " and prefixed to the path, joined by ".".
func JoinTypeRefScope(ref *sysl.Scope) string {
if ref.Appname != nil && len(ref.Appname.Part) > 0 {
return JoinTypePath(append([]string{JoinAppName(ref.Appname)}, ref.Path...))
}
return JoinTypePath(ref.Path)
}