mirror of
https://github.com/gohugoio/hugo.git
synced 2024-11-21 20:46:30 -05:00
99 lines
2 KiB
Go
99 lines
2 KiB
Go
// Copyright 2018 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 hugolib
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import (
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"fmt"
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"sync"
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)
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type orderedMap struct {
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sync.RWMutex
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keys []interface{}
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m map[interface{}]interface{}
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}
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func newOrderedMap() *orderedMap {
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return &orderedMap{m: make(map[interface{}]interface{})}
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}
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func newOrderedMapFromStringMapString(m map[string]string) *orderedMap {
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om := newOrderedMap()
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for k, v := range m {
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om.Add(k, v)
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}
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return om
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}
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func (m *orderedMap) Add(k, v interface{}) {
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m.Lock()
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defer m.Unlock()
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_, found := m.m[k]
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if found {
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panic(fmt.Sprintf("%v already added", v))
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}
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m.m[k] = v
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m.keys = append(m.keys, k)
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}
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func (m *orderedMap) Get(k interface{}) (interface{}, bool) {
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m.RLock()
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defer m.RUnlock()
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v, found := m.m[k]
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return v, found
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}
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func (m *orderedMap) Contains(k interface{}) bool {
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m.RLock()
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defer m.RUnlock()
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_, found := m.m[k]
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return found
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}
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func (m *orderedMap) Keys() []interface{} {
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m.RLock()
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defer m.RUnlock()
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return m.keys
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}
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func (m *orderedMap) Len() int {
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m.RLock()
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defer m.RUnlock()
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return len(m.keys)
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}
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// Some shortcuts for known types.
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func (m *orderedMap) getShortcode(k interface{}) *shortcode {
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v, found := m.Get(k)
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if !found {
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return nil
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}
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return v.(*shortcode)
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}
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func (m *orderedMap) getShortcodeRenderer(k interface{}) func() (string, error) {
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v, found := m.Get(k)
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if !found {
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return nil
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}
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return v.(func() (string, error))
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}
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func (m *orderedMap) getString(k interface{}) string {
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v, found := m.Get(k)
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if !found {
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return ""
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}
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return v.(string)
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}
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