ef03b1e3df
Upgrade dependent version: github.com/open-policy-agent/opa v0.18.0 -> v0.45.0 Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io> Signed-off-by: hongzhouzi <hongzhouzi@kubesphere.io>
118 lines
2.7 KiB
Go
118 lines
2.7 KiB
Go
// Copyright 2018 The OPA Authors. All rights reserved.
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// Use of this source code is governed by an Apache2
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// license that can be found in the LICENSE file.
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package topdown
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import (
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"strconv"
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"github.com/open-policy-agent/opa/ast"
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"github.com/open-policy-agent/opa/topdown/builtins"
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)
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func builtinToNumber(a ast.Value) (ast.Value, error) {
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switch a := a.(type) {
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case ast.Null:
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return ast.Number("0"), nil
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case ast.Boolean:
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if a {
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return ast.Number("1"), nil
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}
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return ast.Number("0"), nil
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case ast.Number:
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return a, nil
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case ast.String:
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_, err := strconv.ParseFloat(string(a), 64)
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if err != nil {
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return nil, err
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}
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return ast.Number(a), nil
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}
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return nil, builtins.NewOperandTypeErr(1, a, "null", "boolean", "number", "string")
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}
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// Deprecated in v0.13.0.
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func builtinToArray(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case *ast.Array:
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return val, nil
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case ast.Set:
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arr := make([]*ast.Term, val.Len())
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i := 0
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val.Foreach(func(term *ast.Term) {
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arr[i] = term
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i++
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})
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return ast.NewArray(arr...), nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "array", "set")
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}
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}
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// Deprecated in v0.13.0.
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func builtinToSet(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case *ast.Array:
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s := ast.NewSet()
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val.Foreach(func(v *ast.Term) {
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s.Add(v)
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})
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return s, nil
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case ast.Set:
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return val, nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "array", "set")
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}
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}
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// Deprecated in v0.13.0.
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func builtinToString(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case ast.String:
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return val, nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "string")
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}
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}
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// Deprecated in v0.13.0.
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func builtinToBoolean(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case ast.Boolean:
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return val, nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "boolean")
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}
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}
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// Deprecated in v0.13.0.
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func builtinToNull(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case ast.Null:
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return val, nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "null")
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}
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}
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// Deprecated in v0.13.0.
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func builtinToObject(a ast.Value) (ast.Value, error) {
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switch val := a.(type) {
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case ast.Object:
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return val, nil
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default:
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return nil, builtins.NewOperandTypeErr(1, a, "object")
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}
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}
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func init() {
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RegisterFunctionalBuiltin1(ast.ToNumber.Name, builtinToNumber)
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RegisterFunctionalBuiltin1(ast.CastArray.Name, builtinToArray)
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RegisterFunctionalBuiltin1(ast.CastSet.Name, builtinToSet)
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RegisterFunctionalBuiltin1(ast.CastString.Name, builtinToString)
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RegisterFunctionalBuiltin1(ast.CastBoolean.Name, builtinToBoolean)
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RegisterFunctionalBuiltin1(ast.CastNull.Name, builtinToNull)
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RegisterFunctionalBuiltin1(ast.CastObject.Name, builtinToObject)
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}
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