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utils.go
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utils.go
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// Copyright 2019 Aporeto Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package jsonschema
import (
"encoding/json"
"fmt"
"os"
"path"
"strings"
"text/template"
"go.aporeto.io/regolithe/cmd/rego/static"
"go.aporeto.io/regolithe/spec"
)
func convertType(t spec.AttributeType) string {
switch t {
case spec.AttributeTypeString:
return "string"
case spec.AttributeTypeInt:
return "integer"
case spec.AttributeTypeFloat:
return "float"
case spec.AttributeTypeBool:
return "boolean"
case spec.AttributeTypeTime:
return "time"
case spec.AttributeTypeObject:
return "object"
case spec.AttributeTypeRefList, spec.AttributeTypeList:
return "$list"
case spec.AttributeTypeRefMap:
return "$map"
case spec.AttributeTypeRef:
return "$ref"
case spec.AttributeTypeExt:
return "$external"
default:
}
return "UNRECOGNIZED_TYPE/" + string(t)
}
func convertRegexp(str string, required bool) string {
escaped := strings.Replace(strings.Replace(str, `\`, `\\`, -1), `"`, `\"`, -1)
if required {
return escaped
}
return fmt.Sprintf("(%s)?", escaped)
}
func isNil(target interface{}) bool {
return target == nil
}
func jsonStringify(target interface{}) string {
data, err := json.Marshal(target)
if err != nil {
fmt.Println(err.Error())
return ""
}
return string(data)
}
func stripFirstLevelBrackets(str string) string {
return strings.TrimSuffix(strings.TrimPrefix(str, "{"), "}")
}
func makeTemplate(p string) (*template.Template, error) {
data, err := static.Asset(p)
if err != nil {
return nil, err
}
return template.New(path.Base(p)).Funcs(functions).Parse(string(data))
}
func writeFile(path string, data []byte) error {
f, err := os.Create(path)
if err != nil {
return fmt.Errorf("unable to write file: %s", f.Name())
}
defer f.Close() // nolint: errcheck
if _, err := f.Write(data); err != nil {
return fmt.Errorf("unable to write file: %s", f.Name())
}
return nil
}