add directory type

datatype.go

@@ -7,6 +7,7 @@ const (
     TypeInt DataType = iota
     TypeDuration DataType = iota
     TypeString DataType = iota
+    TypeDirectory DataType = iota
     TypeBool DataType = iota
 )
 

envconf.go

@@ -113,6 +113,9 @@ func (c *Config) GetInt(key string)(int64) {
     }
     return 0
 }
+func (c *Config) GetDirectory(key string)(string) {
+    return c.GetString(key)
+}
 func (c *Config) GetString(key string)(string) {
     if c.parsed {
         upper := strings.ToUpper(key)

parsers.go

@@ -2,6 +2,7 @@ package envconf
 import ("strconv"
         "fmt"
         "errors"
+        "strings"
         "time")
 
 func parseInt(key string, str string)(ret cValue) {
@@ -41,3 +42,8 @@ func parseString(_ string, str string)(ret cValue) {
     ret.strval = str
     return
 }
+
+func parseDirectory(_ string, str string)(ret cValue) {
+    ret.strval = strings.TrimRight(str, "/")
+    return
+}

typeinfo.go

@@ -9,20 +9,24 @@ func init() {
     var intInfo dataTypeInfo
     var durInfo dataTypeInfo
     var strInfo dataTypeInfo
+    var dirInfo dataTypeInfo
     var boolInfo dataTypeInfo
 
     intInfo.name = "int"
     durInfo.name = "duration"
+    dirInfo.name = "directory"
     strInfo.name = "string"
     boolInfo.name = "bool"
 
     intInfo.parser = parseInt
     durInfo.parser = parseDuration
+    dirInfo.parser = parseDirectory
     strInfo.parser = parseString
     boolInfo.parser = parseBool
 
     tInfo[TypeInt] = intInfo
     tInfo[TypeDuration] = durInfo
     tInfo[TypeString] = strInfo
+    tInfo[TypeDirectory] = dirInfo
     tInfo[TypeBool] = boolInfo
 }