Курнат Андрей
37 lines
976 B
Go
37 lines
976 B
Go
// Copyright 2020 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 ref implements internal helpers for references
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package ref
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import (
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"errors"
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"github.com/open-policy-agent/opa/v1/ast"
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"github.com/open-policy-agent/opa/v1/storage"
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"github.com/open-policy-agent/opa/v1/util"
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)
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// ParseDataPath returns a ref from the slash separated path s rooted at data.
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// All path segments are treated as identifier strings.
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func ParseDataPath(s string) (ast.Ref, error) {
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path, ok := storage.ParsePath(util.WithPrefix(s, "/"))
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if !ok {
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return nil, errors.New("invalid path")
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}
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return path.Ref(ast.DefaultRootDocument), nil
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}
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// ArrayPath will take an ast.Array and build an ast.Ref using the ast.Terms in the Array
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func ArrayPath(a *ast.Array) ast.Ref {
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ref := make(ast.Ref, 0, a.Len())
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a.Foreach(func(term *ast.Term) {
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ref = append(ref, term)
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})
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return ref
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}
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