54 lines
908 B
Go
54 lines
908 B
Go
package utils
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
var SearchPaths []string
|
|
|
|
func init() {
|
|
cwd, err := os.Getwd()
|
|
if err != nil {
|
|
log.Fatalf("error getting cwd: %s", err)
|
|
}
|
|
|
|
if e := os.Getenv("MONKEYPATH"); e != "" {
|
|
tokens := strings.Split(e, ":")
|
|
for _, token := range tokens {
|
|
AddPath(token) // ignore errors
|
|
}
|
|
} else {
|
|
SearchPaths = append(SearchPaths, cwd)
|
|
}
|
|
}
|
|
|
|
func AddPath(path string) error {
|
|
path = os.ExpandEnv(filepath.Clean(path))
|
|
absPath, err := filepath.Abs(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
SearchPaths = append(SearchPaths, absPath)
|
|
return nil
|
|
}
|
|
|
|
func Exists(path string) bool {
|
|
_, err := os.Stat(path)
|
|
return err == nil
|
|
}
|
|
|
|
func FindModule(name string) string {
|
|
basename := fmt.Sprintf("%s.m", name)
|
|
for _, p := range SearchPaths {
|
|
filename := filepath.Join(p, basename)
|
|
if Exists(filename) {
|
|
return filename
|
|
}
|
|
}
|
|
return ""
|
|
}
|