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// Copyright 2019 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 resource
import (
"strings"
"time"
"github.com/gohugoio/hugo/helpers"
"github.com/spf13/cast"
)
// GetParam will return the param with the given key from the Resource,
// nil if not found.
func GetParam(r Resource, key string) interface{} {
return getParam(r, key, false)
}
// GetParamToLower is the same as GetParam but it will lower case any string
// result, including string slices.
func GetParamToLower(r Resource, key string) interface{} {
return getParam(r, key, true)
}
func getParam(r Resource, key string, stringToLower bool) interface{} {
v := r.Params()[strings.ToLower(key)]
if v == nil {
return nil
}
switch val := v.(type) {
case bool:
return val
case string:
if stringToLower {
return strings.ToLower(val)
}
return val
case int64, int32, int16, int8, int:
return cast.ToInt(v)
case float64, float32:
return cast.ToFloat64(v)
case time.Time:
return val
case []string:
if stringToLower {
return helpers.SliceToLower(val)
}
return v
case map[string]interface{}: // JSON and TOML
return v
case map[interface{}]interface{}: // YAML
return v
}
return nil
}
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