mirror of https://github.com/ergochat/ergo.git
67 lines
1.3 KiB
Go
67 lines
1.3 KiB
Go
package irc
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import (
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"code.google.com/p/go.text/unicode/norm"
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"regexp"
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"strings"
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)
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var (
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// regexps
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ChannelNameExpr = regexp.MustCompile(`^[&!#+][\pL\pN]{1,63}$`)
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NicknameExpr = regexp.MustCompile("^[\\pL\\pN\\pP\\pS]{1,32}$")
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)
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// Names are normalized and canonicalized to remove formatting marks
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// and simplify usage. They are things like hostnames and usermasks.
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type Name string
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func NewName(str string) Name {
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return Name(norm.NFKC.String(str))
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}
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func NewNames(strs []string) []Name {
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names := make([]Name, len(strs))
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for index, str := range strs {
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names[index] = NewName(str)
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}
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return names
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}
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// tests
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func (name Name) IsChannel() bool {
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return ChannelNameExpr.MatchString(name.String())
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}
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func (name Name) IsNickname() bool {
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return NicknameExpr.MatchString(name.String())
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}
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// conversions
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func (name Name) String() string {
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return string(name)
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}
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func (name Name) ToLower() Name {
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return Name(strings.ToLower(name.String()))
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}
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// It's safe to coerce a Name to Text. Name is a strict subset of Text.
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func (name Name) Text() Text {
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return Text(name)
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}
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// Text is PRIVMSG, NOTICE, or TOPIC data. It's canonicalized UTF8
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// data to simplify but keeps all formatting.
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type Text string
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func NewText(str string) Text {
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return Text(norm.NFC.String(str))
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}
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func (text Text) String() string {
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return string(text)
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}
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