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c507e2717d
Now: * The template API lives in /tpl * The rest lives in /tpl/tplimpl This is bound te be more improved in the future. Updates #2701
70 lines
1.9 KiB
Go
70 lines
1.9 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 tplimpl
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import (
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"reflect"
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"time"
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)
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// toInt returns the int value if possible, -1 if not.
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func toInt(v reflect.Value) int64 {
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switch v.Kind() {
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case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
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return v.Int()
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case reflect.Interface:
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return toInt(v.Elem())
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}
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return -1
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}
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// toString returns the string value if possible, "" if not.
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func toString(v reflect.Value) string {
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switch v.Kind() {
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case reflect.String:
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return v.String()
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case reflect.Interface:
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return toString(v.Elem())
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}
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return ""
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}
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var (
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zero reflect.Value
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errorType = reflect.TypeOf((*error)(nil)).Elem()
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timeType = reflect.TypeOf((*time.Time)(nil)).Elem()
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)
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func toTimeUnix(v reflect.Value) int64 {
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if v.Kind() == reflect.Interface {
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return toTimeUnix(v.Elem())
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}
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if v.Type() != timeType {
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panic("coding error: argument must be time.Time type reflect Value")
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}
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return v.MethodByName("Unix").Call([]reflect.Value{})[0].Int()
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}
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// indirect is taken from 'text/template/exec.go'
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func indirect(v reflect.Value) (rv reflect.Value, isNil bool) {
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for ; v.Kind() == reflect.Ptr || v.Kind() == reflect.Interface; v = v.Elem() {
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if v.IsNil() {
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return v, true
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}
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if v.Kind() == reflect.Interface && v.NumMethod() > 0 {
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break
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}
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}
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return v, false
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}
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