ref: d48a98c477a818d28008d9771050d2681e63e880
dir: /tpl/cast/cast.go/
// Copyright 2017 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 cast provides template functions for data type conversions. package cast import ( "html/template" _cast "github.com/spf13/cast" ) // New returns a new instance of the cast-namespaced template functions. func New() *Namespace { return &Namespace{} } // Namespace provides template functions for the "cast" namespace. type Namespace struct { } // ToInt converts the given value to an int. func (ns *Namespace) ToInt(v interface{}) (int, error) { v = convertTemplateToString(v) return _cast.ToIntE(v) } // ToString converts the given value to a string. func (ns *Namespace) ToString(v interface{}) (string, error) { return _cast.ToStringE(v) } // ToFloat converts the given value to a float. func (ns *Namespace) ToFloat(v interface{}) (float64, error) { v = convertTemplateToString(v) return _cast.ToFloat64E(v) } func convertTemplateToString(v interface{}) interface{} { switch vv := v.(type) { case template.HTML: v = string(vv) case template.CSS: v = string(vv) case template.HTMLAttr: v = string(vv) case template.JS: v = string(vv) case template.JSStr: v = string(vv) } return v }