-
Notifications
You must be signed in to change notification settings - Fork 11
/
driver.go
141 lines (112 loc) · 4.25 KB
/
driver.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
Copyright 2016 Wenhui Shen <www.webx.top>
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 driver
import (
"bytes"
"io"
"path/filepath"
"regexp"
"strconv"
"strings"
"github.com/webx-top/echo"
"github.com/webx-top/echo/logger"
)
type Driver interface {
//初始化模板引擎
Init()
//获取模板根路径
TmplDir() string
SetTmplPathFixer(func(echo.Context, string) string)
TmplPath(echo.Context, string) string
Debug() bool
SetDebug(bool)
SetLogger(logger.Logger)
Logger() logger.Logger
//设置模板内容预处理器
SetContentProcessor(fn func([]byte) []byte)
SetManager(Manager)
Manager() Manager
//设置模板函数
SetFuncMap(func() map[string]interface{})
//渲染模板
Render(io.Writer, string, interface{}, echo.Context) error
RenderBy(w io.Writer, name string, tmplContent func(string) ([]byte, error), data interface{}, ctx echo.Context) error
//获取模板渲染后的结果
Fetch(string, interface{}, echo.Context) string
//读取模板原始内容
RawContent(string) ([]byte, error)
//模板目录监控事件
MonitorEvent(func(string))
//清除模板对象缓存
ClearCache()
//关闭并停用模板引擎
Close()
}
var _ Driver = &NopRenderer{}
type NopRenderer struct {
mgr Manager
}
func (n *NopRenderer) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
return nil
}
// RenderBy render by content
func (n *NopRenderer) RenderBy(w io.Writer, tmplName string, tmplContent func(string) ([]byte, error), values interface{}, c echo.Context) error {
return nil
}
func (n *NopRenderer) Manager() Manager { return n.mgr }
func (n *NopRenderer) Debug() bool { return false }
func (n *NopRenderer) SetDebug(_ bool) {}
func (n *NopRenderer) Init() {}
func (n *NopRenderer) TmplDir() string { return `` }
func (n *NopRenderer) SetTmplPathFixer(_ func(echo.Context, string) string) {}
func (n *NopRenderer) TmplPath(_ echo.Context, _ string) string { return `` }
func (n *NopRenderer) SetLogger(_ logger.Logger) {}
func (n *NopRenderer) Logger() logger.Logger { return nil }
func (n *NopRenderer) SetContentProcessor(fn func([]byte) []byte) {}
func (n *NopRenderer) SetManager(mgr Manager) { n.mgr = mgr }
func (n *NopRenderer) SetFuncMap(_ func() map[string]interface{}) {}
func (n *NopRenderer) Fetch(_ string, _ interface{}, _ echo.Context) string { return `` }
func (n *NopRenderer) RawContent(_ string) ([]byte, error) { return nil, nil }
func (n *NopRenderer) MonitorEvent(_ func(string)) {}
func (n *NopRenderer) ClearCache() {}
func (n *NopRenderer) Close() {}
var (
FE = []byte(`$1 $2`)
First = []byte(`$1`)
preRegex = regexp.MustCompile(`(?is)<pre( [^>]*)?>.*?<\/pre>`)
eolRegex = regexp.MustCompile("(?s)(\r?\n){2,}")
)
func ReplacePRE(b []byte) ([]byte, [][]byte) {
var pres [][]byte
b = preRegex.ReplaceAllFunc(b, func(r []byte) []byte {
index := strconv.Itoa(len(pres))
pres = append(pres, r)
return []byte(`<!-- <[#pre:` + index + `#]> -->`)
})
return b, pres
}
func RemoveMultiCRLF(b []byte) []byte {
return eolRegex.ReplaceAll(b, First)
}
func RecoveryPRE(b []byte, pres [][]byte) []byte {
for k, v := range pres {
b = bytes.Replace(b, []byte(`<!-- <[#pre:`+strconv.Itoa(k)+`#]> -->`), v, 1)
}
return b
}
func CleanTemplateName(p string) string {
if filepath.Separator == '\\' {
p = strings.Replace(p, `\`, `\\`, -1)
}
return p
}