108 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package common
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import (
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	"fmt"
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	"os"
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	"os/user"
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	"path"
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	"path/filepath"
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	"runtime"
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	"strings"
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	"github.com/kardianos/osext"
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)
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// MakeName creates a node name that follows the ethereum convention
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// for such names. It adds the operation system name and Go runtime version
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// the name.
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func MakeName(name, version string) string {
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	return fmt.Sprintf("%s/v%s/%s/%s", name, version, runtime.GOOS, runtime.Version())
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}
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func ExpandHomePath(p string) (path string) {
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	path = p
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	sep := fmt.Sprintf("%s", os.PathSeparator)
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	// Check in case of paths like "/something/~/something/"
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	if len(p) > 1 && p[:1+len(sep)] == "~"+sep {
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		usr, _ := user.Current()
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		dir := usr.HomeDir
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		path = strings.Replace(p, "~", dir, 1)
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	}
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	return
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}
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func FileExist(filePath string) bool {
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	_, err := os.Stat(filePath)
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	if err != nil && os.IsNotExist(err) {
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		return false
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	}
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	return true
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}
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func AbsolutePath(Datadir string, filename string) string {
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	if path.IsAbs(filename) {
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		return filename
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	}
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	return path.Join(Datadir, filename)
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}
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func DefaultAssetPath() string {
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	var assetPath string
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	pwd, _ := os.Getwd()
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	srcdir := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist")
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	// If the current working directory is the go-ethereum dir
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	// assume a debug build and use the source directory as
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	// asset directory.
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	if pwd == srcdir {
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		assetPath = path.Join(pwd, "assets")
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	} else {
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		switch runtime.GOOS {
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		case "darwin":
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			// Get Binary Directory
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			exedir, _ := osext.ExecutableFolder()
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			assetPath = filepath.Join(exedir, "..", "Resources")
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		case "linux":
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			assetPath = path.Join("usr", "share", "mist")
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		case "windows":
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			assetPath = path.Join(".", "assets")
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		default:
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			assetPath = "."
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		}
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	}
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	// Check if the assetPath exists. If not, try the source directory
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	// This happens when binary is run from outside cmd/mist directory
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	if _, err := os.Stat(assetPath); os.IsNotExist(err) {
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		assetPath = path.Join(srcdir, "assets")
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	}
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	return assetPath
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}
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func DefaultDataDir() string {
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	usr, _ := user.Current()
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	if runtime.GOOS == "darwin" {
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		return path.Join(usr.HomeDir, "Library", "Ethereum")
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	} else if runtime.GOOS == "windows" {
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		return path.Join(usr.HomeDir, "AppData", "Roaming", "Ethereum")
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	} else {
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		return path.Join(usr.HomeDir, ".ethereum")
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	}
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}
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func IsWindows() bool {
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	return runtime.GOOS == "windows"
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}
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func WindonizePath(path string) string {
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	if string(path[0]) == "/" && IsWindows() {
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		path = path[1:]
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	}
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	return path
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}
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