Курнат Андрей
51 lines
1.4 KiB
Go
51 lines
1.4 KiB
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 topdown
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import (
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"fmt"
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"github.com/open-policy-agent/opa/internal/semver"
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"github.com/open-policy-agent/opa/v1/ast"
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"github.com/open-policy-agent/opa/v1/topdown/builtins"
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)
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func builtinSemVerCompare(_ BuiltinContext, operands []*ast.Term, iter func(*ast.Term) error) error {
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versionStringA, err := builtins.StringOperand(operands[0].Value, 1)
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if err != nil {
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return err
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}
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versionStringB, err := builtins.StringOperand(operands[1].Value, 2)
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if err != nil {
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return err
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}
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versionA, err := semver.Parse(string(versionStringA))
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if err != nil {
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return fmt.Errorf("operand 1: string %s is not a valid SemVer", versionStringA)
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}
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versionB, err := semver.Parse(string(versionStringB))
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if err != nil {
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return fmt.Errorf("operand 2: string %s is not a valid SemVer", versionStringB)
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}
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return iter(ast.InternedTerm(versionA.Compare(versionB)))
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}
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func builtinSemVerIsValid(_ BuiltinContext, operands []*ast.Term, iter func(*ast.Term) error) error {
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versionString, err := builtins.StringOperand(operands[0].Value, 1)
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if err == nil {
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_, err = semver.Parse(string(versionString))
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}
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return iter(ast.InternedTerm(err == nil))
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}
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func init() {
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RegisterBuiltinFunc(ast.SemVerCompare.Name, builtinSemVerCompare)
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RegisterBuiltinFunc(ast.SemVerIsValid.Name, builtinSemVerIsValid)
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}
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