mirror of
https://gitea.com/Lydanne/buildx.git
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52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
/*
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Copyright 2020 The Compose Specification 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 dotenv
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import (
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"fmt"
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"io"
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)
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const DotEnv = ".env"
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var formats = map[string]Parser{
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DotEnv: func(r io.Reader, filename string, vars map[string]string, lookup func(key string) (string, bool)) error {
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err := parseWithLookup(r, vars, lookup)
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if err != nil {
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return fmt.Errorf("failed to read %s: %w", filename, err)
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}
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return nil
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},
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}
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type Parser func(r io.Reader, filename string, vars map[string]string, lookup func(key string) (string, bool)) error
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func RegisterFormat(format string, p Parser) {
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formats[format] = p
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}
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func ParseWithFormat(r io.Reader, filename string, vars map[string]string, resolve LookupFn, format string) error {
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if format == "" {
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format = DotEnv
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}
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fn, ok := formats[format]
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if !ok {
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return fmt.Errorf("unsupported env_file format %q", format)
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}
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return fn(r, filename, vars, resolve)
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}
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