86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
package envconf
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import (
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"errors"
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"fmt"
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"os"
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"path"
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"strconv"
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"strings"
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"time"
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)
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func parseInt(key string, str string) (ret cValue) {
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val, err := strconv.ParseInt(str, 10, 64)
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if err == nil {
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ret.intval = val
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} else {
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ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type int.`, key))
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}
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return
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}
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func parseMetric(key string, str string) (ret cValue) {
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mod := int64(1)
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str = strings.ToUpper(str)
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if strings.HasSuffix(str, "K") {
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mod = 1024
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str = strings.TrimSuffix(str, "K")
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} else if strings.HasSuffix(str, "M") {
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mod = 1024 * 1024
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str = strings.TrimSuffix(str, "M")
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} else if strings.HasSuffix(str, "G") {
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mod = 1024 * 1024 * 1024
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str = strings.TrimSuffix(str, "G")
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} else if strings.HasSuffix(str, "T") {
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mod = 1024 * 1024 * 1024 * 1024
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str = strings.TrimSuffix(str, "T")
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}
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val, err := strconv.ParseInt(str, 10, 64)
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if err == nil {
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ret.intval = mod * val
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} else {
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ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type int.`, key))
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}
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return
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}
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func parseDuration(key string, str string) (ret cValue) {
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val, err := time.ParseDuration(str)
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if err == nil {
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ret.durval = val
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} else {
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ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type duration.`, key))
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}
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return
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}
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func parseBool(key string, str string) (ret cValue) {
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val, err := strconv.ParseBool(str)
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if err == nil {
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ret.boolval = val
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} else {
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ret.err = errors.New(fmt.Sprintf(`Environment variable "%s" is not of type bool.`, key))
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}
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return
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}
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func parseDirectory(_ string, str string) (ret cValue) {
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wd, err := os.Getwd()
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if err == nil {
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if path.IsAbs(str) {
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ret.strval = path.Clean(str)
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} else {
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ret.strval = path.Join(wd, str)
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}
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} else {
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ret.strval = path.Clean(str)
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}
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return
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}
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func parseString(_ string, str string) (ret cValue) {
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ret.strval = str
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return
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}
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