36 lines
887 B
Go
36 lines
887 B
Go
package qqwry
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import (
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"bytes"
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"io"
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"regexp"
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"golang.org/x/text/encoding/simplifiedchinese"
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"golang.org/x/text/transform"
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)
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var regSpiltAddress = regexp.MustCompile(`.+?(省|市|自治区|自治州|盟|县|区|管委会|街道|镇|乡)`)
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func gb18030Decode(src []byte) string {
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in := bytes.NewReader(src)
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out := transform.NewReader(in, simplifiedchinese.GB18030.NewDecoder())
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d, _ := io.ReadAll(out)
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return string(d)
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}
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// getMiddleOffset 取得begin和end之间的偏移量，用于二分搜索
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func getMiddleOffset(start uint32, end uint32) uint32 {
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return start + (((end-start)/ipRecordLength)>>1)*ipRecordLength
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}
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func byte3ToUInt32(data []byte) uint32 {
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i := uint32(data[0]) & 0xff
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i |= (uint32(data[1]) << 8) & 0xff00
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i |= (uint32(data[2]) << 16) & 0xff0000
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return i
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}
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func SpiltAddress(addr string) []string {
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return regSpiltAddress.FindAllString(addr, -1)
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}
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