mirror of
https://gitee.com/johng/gf
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42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package gcfg
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import (
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"fmt"
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"github.com/gogf/gf/container/gmap"
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)
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const (
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// Default group name for instance usage.
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DEFAULT_NAME = "default"
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)
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var (
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// Instances map containing configuration instances.
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instances = gmap.NewStrAnyMap(true)
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)
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// Instance returns an instance of Config with default settings.
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// The parameter <name> is the name for the instance. But very note that, if the file "name.toml"
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// exists in the configuration directory, it then sets it as the default configuration file. The
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// toml file type is the default configuration file type.
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func Instance(name ...string) *Config {
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key := DEFAULT_NAME
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if len(name) > 0 && name[0] != "" {
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key = name[0]
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}
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return instances.GetOrSetFuncLock(key, func() interface{} {
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c := New()
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file := fmt.Sprintf(`%s.toml`, key)
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if c.Available(file) {
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c.SetFileName(file)
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}
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return c
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}).(*Config)
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}
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