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module.go
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module.go
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package util
import (
"fmt"
"sort"
)
type Stage int
const (
StageInit = Stage(0)
StageNormal = Stage(5)
StageFinish = Stage(9)
)
type Module struct {
Stage Stage
Name string
Handler func()
Position string
}
func (stage Stage) RegisterModule(Name string, handler func()) Module {
var position string
lines := GetStackLines(8, 9)
if len(lines) == 1 {
position = fmt.Sprintf("%s\r\n", lines[0])
}
m := Module{Name: Name, Stage: stage, Handler: handler, Position: position}
Modules = append(Modules, m)
return m
}
func (m *Module) Load() {
DebugPrintln("Herb-go util debug: Init module " + m.Name)
if m.Position != "" {
DebugPrint(m.Position)
}
m.Handler()
}
type modulelist []Module
var unloaders []func()
func OnUnloadModules(f func()) {
unloaders = append(unloaders, f)
}
func UnloadModules() {
for i := len(unloaders) - 1; i >= 0; i-- {
unloaders[i]()
}
}
func (m modulelist) Len() int {
return len(m)
}
func (m modulelist) Swap(i, j int) {
m[i], m[j] = m[j], m[i]
}
func (m modulelist) Less(i, j int) bool {
if m[i].Stage != m[j].Stage {
return m[i].Stage < m[j].Stage
}
return m[i].Name < m[j].Name
}
var Modules = modulelist{}
func CleanModules() {
Modules = modulelist{}
}
func RegisterModule(Name string, handler func()) Module {
var position string
lines := GetStackLines(8, 9)
if len(lines) == 1 {
position = fmt.Sprintf("%s\r\n", lines[0])
}
m := Module{Name: Name, Stage: StageNormal, Handler: handler, Position: position}
Modules = append(Modules, m)
return m
}
func InitModulesOrderByName(enabledModules ...string) {
unloaders = []func(){}
CleanWarnings()
MustLoadRegisteredFolders()
sort.Sort(Modules)
NextModule:
for _, v := range Modules {
if len(enabledModules) > 0 {
for _, m := range enabledModules {
if v.Name == m {
v.Load()
continue NextModule
}
}
} else {
v.Load()
}
}
if Debug || ForceDebug {
SetWarning("Util", "Debug mode enabled.")
}
if HasWarning() {
output := "Warning:\r\n"
for k, v := range warnings {
output = output + " " + k + ":\r\n"
for _, wv := range v {
output = output + " " + wv + "\r\n"
}
}
ErrorLogger(output)
}
}