forked from grafana/grafana
/
decode.go
44 lines (41 loc) · 834 Bytes
/
decode.go
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package unidecode
import (
"compress/zlib"
"encoding/binary"
"io"
"strings"
"sync"
)
var (
decoded = false
mutex sync.Mutex
transliterations [65536][]rune
transCount = rune(len(transliterations))
getUint16 = binary.LittleEndian.Uint16
)
func decodeTransliterations() {
r, err := zlib.NewReader(strings.NewReader(tableData))
if err != nil {
panic(err)
}
defer r.Close()
tmp1 := make([]byte, 2)
tmp2 := tmp1[:1]
for {
if _, err := io.ReadAtLeast(r, tmp1, 2); err != nil {
if err == io.EOF {
break
}
panic(err)
}
chr := getUint16(tmp1)
if _, err := io.ReadAtLeast(r, tmp2, 1); err != nil {
panic(err)
}
b := make([]byte, int(tmp2[0]))
if _, err := io.ReadFull(r, b); err != nil {
panic(err)
}
transliterations[int(chr)] = []rune(string(b))
}
}