init

micro/syntax/make_headers.go

@@ -0,0 +1,76 @@
+//+build ignore
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"strings"
+	"time"
+
+	yaml "gopkg.in/yaml.v2"
+)
+
+type HeaderYaml struct {
+	FileType string `yaml:"filetype"`
+	Detect   struct {
+		FNameRgx  string `yaml:"filename"`
+		HeaderRgx string `yaml:"header"`
+	} `yaml:"detect"`
+}
+
+type Header struct {
+	FileType  string
+	FNameRgx  string
+	HeaderRgx string
+}
+
+func main() {
+	if len(os.Args) > 1 {
+		os.Chdir(os.Args[1])
+	}
+	files, _ := ioutil.ReadDir(".")
+	for _, f := range files {
+		fname := f.Name()
+		if strings.HasSuffix(fname, ".yaml") {
+			convert(fname[:len(fname)-5])
+		}
+	}
+}
+
+func convert(name string) {
+	filename := name + ".yaml"
+	var hdr HeaderYaml
+	source, err := ioutil.ReadFile(filename)
+	if err != nil {
+		panic(err)
+	}
+	err = yaml.Unmarshal(source, &hdr)
+	if err != nil {
+		panic(err)
+	}
+	encode(name, hdr)
+}
+
+func encode(name string, c HeaderYaml) {
+	f, _ := os.Create(name + ".hdr")
+	f.WriteString(c.FileType + "\n")
+	f.WriteString(c.Detect.FNameRgx + "\n")
+	f.WriteString(c.Detect.HeaderRgx + "\n")
+	f.Close()
+}
+
+func decode(name string) Header {
+	start := time.Now()
+	data, _ := ioutil.ReadFile(name + ".hdr")
+	strs := bytes.Split(data, []byte{'\n'})
+	var hdr Header
+	hdr.FileType = string(strs[0])
+	hdr.FNameRgx = string(strs[1])
+	hdr.HeaderRgx = string(strs[2])
+	fmt.Printf("took %v\n", time.Since(start))
+
+	return hdr
+}