Initial

README.md

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+folder2go
+===========
+
+Embed a directory into a go package
+
+Usage:
+---
+```
+go get dev.hexasoftware.com/stdio/folder2go
+```

main.go

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+// Grabs a folder and generates a go file with a map
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+)
+
+func main() {
+	if len(os.Args) != 3 {
+		fmt.Println("This will create a folder named by <pkgname> and add the generated file")
+		fmt.Println("usage: ", os.Args[0], " <folder> <pkgname>")
+		return
+	}
+
+	var folder = os.Args[1]
+
+	var pkg = filepath.Base(os.Args[2]) // Remove trailing '/'
+	var dst = os.Args[2]
+	var data = map[string]string{}
+
+	filepath.Walk(folder, func(fpath string, f os.FileInfo, err error) error {
+		if f.IsDir() {
+			return nil // Continue
+		}
+		// Get ABSPATH
+		absFolder, err := filepath.Abs(folder)
+		if err != nil {
+			return err
+		}
+		absPath, err := filepath.Abs(fpath)
+		if err != nil {
+			return err
+		}
+
+		kfname := absPath[len(absFolder):]
+
+		log.Printf("Processing: %s ", kfname)
+		fdata, err := ioutil.ReadFile(fpath)
+		if err != nil {
+			log.Fatal(err)
+			return err
+		}
+		vardata := ""
+		for _, v := range fdata {
+			vardata += fmt.Sprintf("\\x%02X", v)
+		}
+		data[kfname] = vardata
+
+		return nil
+	})
+
+	// Write golang file
+	os.Mkdir(dst, os.FileMode(0755))
+	f, err := os.OpenFile(fmt.Sprintf("%s/%s.go", dst, pkg), os.O_CREATE|os.O_WRONLY|os.O_TRUNC, os.FileMode(0644))
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer f.Close()
+
+	f.WriteString("// Generated by folder2go\n")
+	f.WriteString(fmt.Sprintf("package %s\n\n", pkg))
+
+	// If we want http support
+	// Templates would be nice here
+	f.WriteString(`
+import (
+	"mime"
+	"net/http"
+	"path/filepath"
+)
+	`)
+
+	f.WriteString("//Data exported data taken from folder\n")
+	f.WriteString("var Data = map[string][]byte {\n")
+	for k, v := range data {
+		f.WriteString(fmt.Sprintf("\t\"%s\":\t\t[]byte(\"%s\"),\n", k, v))
+	}
+
+	f.WriteString("}\n")
+	// Should be optional
+	f.WriteString(`
+func AssetHandleFunc(w http.ResponseWriter, r *http.Request) {
+	var solvedPath =r.URL.Path
+	if solvedPath == "/" {
+		solvedPath = "/index.html"
+	}
+	data, ok := Data[solvedPath]
+	if !ok {
+		w.WriteHeader(404)
+	}
+	w.Header().Set("Content-type",mime.TypeByExtension(filepath.Ext(solvedPath)))
+	w.Write(data)
+}`)
+
+}