68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
// Copyright 2019 Drone IO, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package compiler
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import (
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"encoding/base64"
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"strconv"
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"strings"
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"github.com/buildkite/yaml"
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json "github.com/ghodss/yaml"
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)
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// helper funciton encodes an interface value as a string.
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// this function assumes all types were unmarshaled by the
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// yaml.v2 library. The yaml.v2 package only supports a
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// subset of primative types.
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func encode(v interface{}) string {
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switch v := v.(type) {
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case string:
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return v
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case bool:
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return strconv.FormatBool(v)
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case int:
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return strconv.Itoa(v)
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case float64:
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return strconv.FormatFloat(v, 'g', -1, 64)
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case []byte:
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return base64.StdEncoding.EncodeToString(v)
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case []interface{}:
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return encodeSlice(v)
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default:
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return encodeMap(v)
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}
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}
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// helper function encodes a parameter in map format.
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func encodeMap(v interface{}) string {
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yml, _ := yaml.Marshal(v)
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out, _ := json.YAMLToJSON(yml)
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return string(out)
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}
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// helper function encodes a parameter in slice format.
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func encodeSlice(v interface{}) string {
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out, _ := yaml.Marshal(v)
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in := []string{}
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err := yaml.Unmarshal(out, &in)
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if err == nil {
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return strings.Join(in, ",")
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}
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out, _ = json.YAMLToJSON(out)
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return string(out)
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}
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