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// Copyright 2016-present The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package helpers implements general utility functions that work with
// and on content. The helper functions defined here lay down the
// foundation of how Hugo works with files and filepaths, and perform
// string operations on content.
package helpers
import (
"github.com/spf13/viper"
)
// A cached version of the current ConfigProvider (language) and relatives. These globals
// are unfortunate, but we still have some places that needs this that does
// not have access to the site configuration.
// These values will be set on initialization when rendering a new language.
//
// TODO(bep) Get rid of these.
var (
currentConfigProvider ConfigProvider
currentPathSpec *PathSpec
)
// ConfigProvider provides the configuration settings for Hugo.
type ConfigProvider interface {
GetString(key string) string
GetInt(key string) int
GetBool(key string) bool
GetStringMap(key string) map[string]interface{}
GetStringMapString(key string) map[string]string
Get(key string) interface{}
}
// Config returns the currently active Hugo config. This will be set
// per site (language) rendered.
func Config() ConfigProvider {
if currentConfigProvider != nil {
return currentConfigProvider
}
// Some tests rely on this. We will fix that, eventually.
return viper.Get("currentContentLanguage").(ConfigProvider)
}
// CurrentPathSpec returns the current PathSpec.
// If it is not set, a new will be created based in the currently active Hugo config.
func CurrentPathSpec() *PathSpec {
if currentPathSpec != nil {
return currentPathSpec
}
// Some tests rely on this. We will fix that, eventually.
return NewPathSpecFromConfig(Config())
}
// InitConfigProviderForCurrentContentLanguage does what it says.
func InitConfigProviderForCurrentContentLanguage() {
currentConfigProvider = viper.Get("CurrentContentLanguage").(ConfigProvider)
currentPathSpec = NewPathSpecFromConfig(currentConfigProvider)
}
// ResetConfigProvider is used in tests.
func ResetConfigProvider() {
currentConfigProvider = nil
currentPathSpec = nil
}
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