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66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
// Copyright (c) 2017 Daniel Oaks <daniel@danieloaks.net>
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// released under the MIT license
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package caps
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import "errors"
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// Capability represents an optional feature that a client may request from the server.
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type Capability uint
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// actual capability definitions appear in defs.go
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var (
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nameToCapability map[string]Capability
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NoSuchCap = errors.New("Unsupported capability name")
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)
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// Name returns the name of the given capability.
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func (capability Capability) Name() string {
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return capabilityNames[capability]
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}
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func NameToCapability(name string) (result Capability, err error) {
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result, found := nameToCapability[name]
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if !found {
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err = NoSuchCap
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}
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return
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}
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// Version is used to select which max version of CAP the client supports.
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type Version uint
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const (
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// Cap301 refers to the base CAP spec.
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Cap301 Version = 301
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// Cap302 refers to the IRCv3.2 CAP spec.
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Cap302 Version = 302
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)
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// State shows whether we're negotiating caps, finished, etc for connection registration.
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type State uint
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const (
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// NoneState means CAP hasn't been negotiated at all.
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NoneState State = iota
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// NegotiatingState means CAP is being negotiated and registration should be paused.
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NegotiatingState State = iota
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// NegotiatedState means CAP negotiation has been successfully ended and reg should complete.
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NegotiatedState State = iota
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)
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const (
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// LabelTagName is the tag name used for the labeled-response spec.
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// https://ircv3.net/specs/extensions/labeled-response.html
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LabelTagName = "draft/label"
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)
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func init() {
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nameToCapability = make(map[string]Capability)
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for capab, name := range capabilityNames {
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nameToCapability[name] = Capability(capab)
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}
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}
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