diff options
Diffstat (limited to 'vendor/github.com/docker/go-connections/nat/parse.go')
-rw-r--r-- | vendor/github.com/docker/go-connections/nat/parse.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/vendor/github.com/docker/go-connections/nat/parse.go b/vendor/github.com/docker/go-connections/nat/parse.go new file mode 100644 index 000000000..892adf8c6 --- /dev/null +++ b/vendor/github.com/docker/go-connections/nat/parse.go @@ -0,0 +1,57 @@ +package nat + +import ( + "fmt" + "strconv" + "strings" +) + +// PartParser parses and validates the specified string (data) using the specified template +// e.g. ip:public:private -> 192.168.0.1:80:8000 +// DEPRECATED: do not use, this function may be removed in a future version +func PartParser(template, data string) (map[string]string, error) { + // ip:public:private + var ( + templateParts = strings.Split(template, ":") + parts = strings.Split(data, ":") + out = make(map[string]string, len(templateParts)) + ) + if len(parts) != len(templateParts) { + return nil, fmt.Errorf("Invalid format to parse. %s should match template %s", data, template) + } + + for i, t := range templateParts { + value := "" + if len(parts) > i { + value = parts[i] + } + out[t] = value + } + return out, nil +} + +// ParsePortRange parses and validates the specified string as a port-range (8000-9000) +func ParsePortRange(ports string) (uint64, uint64, error) { + if ports == "" { + return 0, 0, fmt.Errorf("Empty string specified for ports.") + } + if !strings.Contains(ports, "-") { + start, err := strconv.ParseUint(ports, 10, 16) + end := start + return start, end, err + } + + parts := strings.Split(ports, "-") + start, err := strconv.ParseUint(parts[0], 10, 16) + if err != nil { + return 0, 0, err + } + end, err := strconv.ParseUint(parts[1], 10, 16) + if err != nil { + return 0, 0, err + } + if end < start { + return 0, 0, fmt.Errorf("Invalid range specified for the Port: %s", ports) + } + return start, end, nil +} |