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path: root/vendor/github.com/docker/go-connections/nat/parse.go
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-rw-r--r--vendor/github.com/docker/go-connections/nat/parse.go57
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
+}