1 files changed, 56 insertions, 0 deletions
diff --git a/config/configProvider.go b/config/configProvider.go
new file mode 100644
index 000000000..432948d74
--- /dev/null
+++ b/config/configProvider.go
@@ -0,0 +1,56 @@
+// Copyright 2017-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 config
+
+import (
+	"strings"
+
+	"github.com/spf13/cast"
+
+	"github.com/spf13/viper"
+)
+
+// Provider provides the configuration settings for Hugo.
+type Provider 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
+	GetStringSlice(key string) []string
+	Get(key string) interface{}
+	Set(key string, value interface{})
+	IsSet(key string) bool
+}
+
+// FromConfigString creates a config from the given YAML, JSON or TOML config. This is useful in tests.
+func FromConfigString(config, configType string) (Provider, error) {
+	v := viper.New()
+	v.SetConfigType(configType)
+	if err := v.ReadConfig(strings.NewReader(config)); err != nil {
+		return nil, err
+	}
+	return v, nil
+}
+
+// GetStringSlicePreserveString returns a string slice from the given config and key.
+// It differs from the GetStringSlice method in that if the config value is a string,
+// we do not attempt to split it into fields.
+func GetStringSlicePreserveString(cfg Provider, key string) []string {
+	sd := cfg.Get(key)
+	if sds, ok := sd.(string); ok {
+		return []string{sds}
+	}
+	return cast.ToStringSlice(sd)
+}