mirror of https://github.com/docker/compose.git
59 lines
1.6 KiB
Go
59 lines
1.6 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package formatter
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import (
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"fmt"
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"io"
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"reflect"
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"strings"
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"github.com/pkg/errors"
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"github.com/docker/compose-cli/errdefs"
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)
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// Print prints formatted lists in different formats
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func Print(toJSON interface{}, format string, outWriter io.Writer, writerFn func(w io.Writer), headers ...string) error {
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switch strings.ToLower(format) {
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case PRETTY, "":
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return PrintPrettySection(outWriter, writerFn, headers...)
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case JSON:
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switch reflect.TypeOf(toJSON).Kind() {
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case reflect.Slice:
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s := reflect.ValueOf(toJSON)
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for i := 0; i < s.Len(); i++ {
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obj := s.Index(i).Interface()
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jsonLine, err := ToJSON(obj, "", "")
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if err != nil {
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return err
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}
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_, _ = fmt.Fprint(outWriter, jsonLine)
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}
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default:
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outJSON, err := ToStandardJSON(toJSON)
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if err != nil {
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return err
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}
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_, _ = fmt.Fprintln(outWriter, outJSON)
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}
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default:
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return errors.Wrapf(errdefs.ErrParsingFailed, "format value %q could not be parsed", format)
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}
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return nil
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}
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