load all things via middleware

shared/envconfig/envconfig.go

@@ -1,117 +0,0 @@
-package envconfig
-
-import (
-	"bufio"
-	"errors"
-	"os"
-	"strconv"
-	"strings"
-)
-
-type Env map[string]string
-
-// Get returns the value of the environment variable named by the key.
-func (env Env) Get(key string) string {
-	return env[key]
-}
-
-// String returns the string value of the environment variable named by the
-// key. If the variable is not present, the default value is returned.
-func (env Env) String(key, value string) string {
-	got, ok := env[key]
-	if ok {
-		value = got
-	}
-	return value
-}
-
-// Bool returns the boolean value of the environment variable named by the key.
-// If the variable is not present, the default value is returned.
-func (env Env) Bool(name string, value bool) bool {
-	got, ok := env[name]
-	if ok {
-		value, _ = strconv.ParseBool(got)
-	}
-	return value
-}
-
-// Int returns the integer value of the environment variable named by the key.
-// If the variable is not present, the default value is returned.
-func (env Env) Int(name string, value int) int {
-	got, ok := env[name]
-	if ok {
-		value, _ = strconv.Atoi(got)
-	}
-	return value
-}
-
-// Load reads the environment file and reads variables in "key=value" format.
-// Then it read the system environment variables. It returns the combined
-// results in a key value map.
-func Load(filepath string) Env {
-	var envs = map[string]string{}
-
-	// load the environment file
-	f, err := os.Open(filepath)
-	if err == nil {
-		defer f.Close()
-
-		r := bufio.NewReader(f)
-		for {
-			line, _, err := r.ReadLine()
-			if err != nil {
-				break
-			}
-
-			key, val, err := parseln(string(line))
-			if err != nil {
-				continue
-			}
-
-			os.Setenv(key, val)
-		}
-	}
-
-	// load the environment variables
-	for _, env := range os.Environ() {
-		key, val, err := parseln(env)
-		if err != nil {
-			continue
-		}
-
-		envs[key] = val
-	}
-
-	return Env(envs)
-}
-
-// helper function to parse a "key=value" environment variable string.
-func parseln(line string) (key string, val string, err error) {
-	line = removeComments(line)
-	if len(line) == 0 {
-		return
-	}
-	splits := strings.SplitN(line, "=", 2)
-
-	if len(splits) < 2 {
-		err = errors.New("missing delimiter '='")
-		return
-	}
-
-	key = strings.Trim(splits[0], " ")
-	val = strings.Trim(splits[1], ` "'`)
-	return
-}
-
-// helper function to trim comments and whitespace from a string.
-func removeComments(s string) (_ string) {
-	if len(s) == 0 || string(s[0]) == "#" {
-		return
-	} else {
-		index := strings.Index(s, " #")
-		if index > -1 {
-			s = strings.TrimSpace(s[0:index])
-		}
-	}
-	return s
-}