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63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
// Copyright 2017 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package cast provides template functions for data type conversions.
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package cast
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import (
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"html/template"
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_cast "github.com/spf13/cast"
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)
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// New returns a new instance of the cast-namespaced template functions.
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func New() *Namespace {
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return &Namespace{}
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}
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// Namespace provides template functions for the "cast" namespace.
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type Namespace struct {
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}
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// ToInt converts the given value to an int.
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func (ns *Namespace) ToInt(v interface{}) (int, error) {
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v = convertTemplateToString(v)
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return _cast.ToIntE(v)
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}
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// ToString converts the given value to a string.
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func (ns *Namespace) ToString(v interface{}) (string, error) {
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return _cast.ToStringE(v)
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}
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// ToFloat converts the given value to a float.
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func (ns *Namespace) ToFloat(v interface{}) (float64, error) {
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v = convertTemplateToString(v)
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return _cast.ToFloat64E(v)
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}
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func convertTemplateToString(v interface{}) interface{} {
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switch vv := v.(type) {
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case template.HTML:
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v = string(vv)
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case template.CSS:
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v = string(vv)
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case template.HTMLAttr:
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v = string(vv)
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case template.JS:
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v = string(vv)
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case template.JSStr:
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v = string(vv)
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}
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return v
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}
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