66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package plugin
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import "fmt"
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type PluginLoader func(p interface{}) error
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var registry = map[string]PluginLoader{}
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func Bundle(
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bundles ...map[string][]interface{},
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) map[string][]interface{} {
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ret := map[string][]interface{}{}
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for _, bundle := range bundles {
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for name, plugins := range bundle {
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ret[name] = append(ret[name], plugins...)
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}
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}
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return ret
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}
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func MakePlugin(key string, ifc interface{}) map[string][]interface{} {
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return map[string][]interface{}{
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key: {ifc},
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}
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}
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func MustRegisterLoader(name string, l PluginLoader) {
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err := RegisterLoader(name, l)
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if err != nil {
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panic(err)
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}
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}
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func RegisterLoader(name string, l PluginLoader) error {
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if l := registry[name]; l != nil {
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return fmt.Errorf("plugin loader '%v' already registered", name)
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}
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registry[name] = l
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return nil
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}
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func LoadPlugins(path string) error {
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// TODO: add flag to enable/disable plugins?
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return loadPlugins(path)
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}
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