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meta.go
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/
meta.go
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package main
import (
"io/ioutil"
)
func (m *meta) Test(name string) (ret bool, e error) {
bytes, e := ioutil.ReadFile(name)
if e != nil {
return
}
cursor := 0
lastBlank, lastTrigger := 0, 0
leadTrigger, tailTrigger := 0, 0
for _, b := range bytes {
prev := cursor
cursor++
if b == '-' {
if leadTrigger < 3 && (prev == lastTrigger || leadTrigger == 0) {
leadTrigger++
lastTrigger = cursor
} else if tailTrigger < 3 && (prev == lastTrigger || (tailTrigger == 0 && prev == lastBlank)) {
tailTrigger++
lastTrigger = cursor
}
continue
} else if b == '\n' || b == '\r' {
lastBlank = cursor
if prev != lastTrigger {
continue
}
if leadTrigger == 3 {
leadTrigger++
} else {
tailTrigger++
}
} else {
continue
}
if leadTrigger > 3 && tailTrigger > 3 {
ret = true
return
}
}
return
}
func (m *meta) Parse() {
}