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author | Máximo Cuadros <mcuadros@gmail.com> | 2016-11-08 23:46:38 +0100 |
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committer | GitHub <noreply@github.com> | 2016-11-08 23:46:38 +0100 |
commit | ac095bb12c4d29722b60ba9f20590fa7cfa6bc7d (patch) | |
tree | 223f36f336ba3414b1e45cac8af6c4744a5d7ef6 /formats/packp/capabilities.go | |
parent | e523701393598f4fa241dd407af9ff8925507a1a (diff) | |
download | go-git-ac095bb12c4d29722b60ba9f20590fa7cfa6bc7d.tar.gz |
new plumbing package (#118)
* plumbing: now core was renamed to core, and formats and clients moved inside
Diffstat (limited to 'formats/packp/capabilities.go')
-rw-r--r-- | formats/packp/capabilities.go | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/formats/packp/capabilities.go b/formats/packp/capabilities.go deleted file mode 100644 index d77c2fa..0000000 --- a/formats/packp/capabilities.go +++ /dev/null @@ -1,136 +0,0 @@ -package packp - -import ( - "fmt" - "sort" - "strings" -) - -// Capabilities contains all the server capabilities -// https://github.com/git/git/blob/master/Documentation/technical/protocol-capabilities.txt -type Capabilities struct { - m map[string]*Capability - o []string -} - -// Capability represents a server capability -type Capability struct { - Name string - Values []string -} - -// NewCapabilities returns a new Capabilities struct -func NewCapabilities() *Capabilities { - return &Capabilities{ - m: make(map[string]*Capability), - } -} - -func (c *Capabilities) IsEmpty() bool { - return len(c.o) == 0 -} - -// Decode decodes a string -func (c *Capabilities) Decode(raw string) { - params := strings.Split(raw, " ") - for _, p := range params { - s := strings.SplitN(p, "=", 2) - - var value string - if len(s) == 2 { - value = s[1] - } - - c.Add(s[0], value) - } -} - -// Get returns the values for a capability -func (c *Capabilities) Get(capability string) *Capability { - return c.m[capability] -} - -// Set sets a capability removing the values -func (c *Capabilities) Set(capability string, values ...string) { - if _, ok := c.m[capability]; ok { - delete(c.m, capability) - } - - c.Add(capability, values...) -} - -// Add adds a capability, values are optional -func (c *Capabilities) Add(capability string, values ...string) { - if !c.Supports(capability) { - c.m[capability] = &Capability{Name: capability} - c.o = append(c.o, capability) - } - - if len(values) == 0 { - return - } - - c.m[capability].Values = append(c.m[capability].Values, values...) -} - -// Supports returns true if capability is present -func (c *Capabilities) Supports(capability string) bool { - _, ok := c.m[capability] - return ok -} - -// SymbolicReference returns the reference for a given symbolic reference -func (c *Capabilities) SymbolicReference(sym string) string { - if !c.Supports("symref") { - return "" - } - - for _, symref := range c.Get("symref").Values { - parts := strings.Split(symref, ":") - if len(parts) != 2 { - continue - } - - if parts[0] == sym { - return parts[1] - } - } - - return "" -} - -// Sorts capabilities in increasing order of their name -func (c *Capabilities) Sort() { - sort.Strings(c.o) -} - -func (c *Capabilities) String() string { - if len(c.o) == 0 { - return "" - } - - var o string - for _, key := range c.o { - cap := c.m[key] - - added := false - for _, value := range cap.Values { - if value == "" { - continue - } - - added = true - o += fmt.Sprintf("%s=%s ", key, value) - } - - if len(cap.Values) == 0 || !added { - o += key + " " - } - } - - if len(o) == 0 { - return o - } - - return o[:len(o)-1] -} |