mirror of https://gitea.com/gitea/tea.git
107 lines
2.2 KiB
Go
107 lines
2.2 KiB
Go
package definition
|
|
|
|
// Emoji is a data structure that holds a single emoji.
|
|
type Emoji struct {
|
|
// Name is a name of this emoji.
|
|
Name string
|
|
|
|
// ShortNames is a shorter representation of this emoji.
|
|
ShortNames []string
|
|
|
|
// Unicode is an unicode representation of this emoji.
|
|
Unicode []rune
|
|
}
|
|
|
|
// NewEmoji returns a new Emoji.
|
|
func NewEmoji(name string, unicode []rune, shortNames ...string) Emoji {
|
|
if len(shortNames) == 0 {
|
|
panic("Emoji must have at leat 1 short name.")
|
|
}
|
|
if unicode == nil || len(unicode) == 0 {
|
|
unicode = []rune{0xFFFD}
|
|
}
|
|
return Emoji{
|
|
Name: name,
|
|
ShortNames: shortNames,
|
|
Unicode: unicode,
|
|
}
|
|
}
|
|
|
|
// IsUnicode returns true if this emoji is defined in unicode, otherwise false.
|
|
func (em *Emoji) IsUnicode() bool {
|
|
return !(len(em.Unicode) == 1 && em.Unicode[0] == 0xFFFD)
|
|
}
|
|
|
|
// Emojis is a collection of emojis.
|
|
type Emojis interface {
|
|
// Get returns (*Emoji, true) if found mapping associated with given short name, otherwise (nil, false).
|
|
Get(shortName string) (*Emoji, bool)
|
|
|
|
// Add adds new emojis to this collection.
|
|
Add(Emojis)
|
|
|
|
// Clone clones this collection.
|
|
Clone() Emojis
|
|
}
|
|
|
|
type emojis struct {
|
|
list []Emoji
|
|
m map[string]*Emoji
|
|
children []Emojis
|
|
}
|
|
|
|
// NewEmojis returns a new Emojis.
|
|
func NewEmojis(es ...Emoji) Emojis {
|
|
m := &emojis{
|
|
list: es,
|
|
m: map[string]*Emoji{},
|
|
children: []Emojis{},
|
|
}
|
|
for i, _ := range es {
|
|
emoji := &m.list[i]
|
|
for _, s := range emoji.ShortNames {
|
|
m.m[s] = emoji
|
|
}
|
|
}
|
|
return m
|
|
}
|
|
|
|
func (m *emojis) Add(emojis Emojis) {
|
|
m.children = append(m.children, emojis)
|
|
}
|
|
|
|
func (m *emojis) Clone() Emojis {
|
|
es := &emojis{
|
|
list: m.list,
|
|
m: m.m,
|
|
children: make([]Emojis, len(m.children)),
|
|
}
|
|
copy(es.children, m.children)
|
|
return es
|
|
}
|
|
|
|
func (m *emojis) Get(shortName string) (*Emoji, bool) {
|
|
v, ok := m.m[shortName]
|
|
if ok {
|
|
return v, ok
|
|
}
|
|
|
|
for _, es := range m.children {
|
|
v, ok := es.Get(shortName)
|
|
if ok {
|
|
return v, ok
|
|
}
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
// EmojisOption sets options for Emojis.
|
|
type EmojisOption func(Emojis)
|
|
|
|
// WithEmojis is an EmojisOption that adds emojis to the Emojis.
|
|
func WithEmojis(emojis ...Emoji) EmojisOption {
|
|
return func(m Emojis) {
|
|
m.Add(NewEmojis(emojis...))
|
|
}
|
|
}
|