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75 lines
1.3 KiB
Go
75 lines
1.3 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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"time"
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yaml "gopkg.in/yaml.v2"
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)
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type HeaderYaml struct {
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FileType string `yaml:"filetype"`
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Detect struct {
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FNameRgx string `yaml:"filename"`
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HeaderRgx string `yaml:"header"`
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} `yaml:"detect"`
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}
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type Header struct {
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FileType string
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FNameRgx string
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HeaderRgx string
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}
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func main() {
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if len(os.Args) > 1 {
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os.Chdir(os.Args[1])
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}
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files, _ := ioutil.ReadDir(".")
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for _, f := range files {
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fname := f.Name()
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if strings.HasSuffix(fname, ".yaml") {
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convert(fname[:len(fname)-5])
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}
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}
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}
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func convert(name string) {
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filename := name + ".yaml"
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var hdr HeaderYaml
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source, err := ioutil.ReadFile(filename)
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if err != nil {
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panic(err)
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}
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err = yaml.Unmarshal(source, &hdr)
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if err != nil {
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panic(err)
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}
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encode(name, hdr)
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}
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func encode(name string, c HeaderYaml) {
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f, _ := os.Create(name + ".hdr")
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f.WriteString(c.FileType + "\n")
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f.WriteString(c.Detect.FNameRgx + "\n")
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f.WriteString(c.Detect.HeaderRgx + "\n")
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f.Close()
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}
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func decode(name string) Header {
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start := time.Now()
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data, _ := ioutil.ReadFile(name + ".hdr")
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strs := bytes.Split(data, []byte{'\n'})
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var hdr Header
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hdr.FileType = string(strs[0])
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hdr.FNameRgx = string(strs[1])
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hdr.HeaderRgx = string(strs[2])
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fmt.Printf("took %v\n", time.Since(start))
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return hdr
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}
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