func TestFieldFinder(t *testing.T) {
is := is.New(t)
s := []byte("A field finder will be able to find fields.")
var fn anno.Finder
fn = anno.FieldFunc("thiskind", func(f []byte) (bool, []byte) {
if string(f) == "field" {
return true, f
}
if string(f) == "able" {
return true, f
}
if string(f) == "find" {
return true, f
}
return false, f
})
notes, err := fn.Find(s)
is.NoErr(err)
is.Equal(len(notes), 3)
is.Equal(notes[0].Val, []byte("field"))
is.Equal(notes[0].Start, 2)
is.Equal(notes[0].End(), 2+len(notes[0].Val))
is.Equal(notes[0].Kind, "thiskind")
is.Equal(notes[1].Val, []byte("able"))
is.Equal(notes[1].Start, 23)
is.Equal(notes[1].End(), 23+len(notes[1].Val))
is.Equal(notes[1].Kind, "thiskind")
is.Equal(notes[2].Val, []byte("find"))
is.Equal(notes[2].Start, 8)
is.Equal(notes[2].End(), 8+len(notes[2].Val))
is.Equal(notes[2].Kind, "thiskind")
// sort the notes
sort.Sort(notes)
is.Equal(len(notes), 3)
is.Equal(notes[0].Val, []byte("field"))
is.Equal(notes[0].Start, 2)
is.Equal(notes[0].End(), 2+len(notes[0].Val))
is.Equal(notes[0].Kind, "thiskind")
is.Equal(notes[1].Val, []byte("find"))
is.Equal(notes[1].Start, 8)
is.Equal(notes[1].End(), 8+len(notes[2].Val))
is.Equal(notes[1].Kind, "thiskind")
is.Equal(notes[2].Val, []byte("able"))
is.Equal(notes[2].Start, 23)
is.Equal(notes[2].End(), 23+len(notes[1].Val))
is.Equal(notes[2].Kind, "thiskind")
}
package emoji
import (
"bytes"
"github.com/matryer/anno"
"gopkg.in/kyokomi/emoji.v1"
)
// Find finds raw :emoji: fields.
var Find = anno.FieldFunc("emoji", func(s []byte) (bool, []byte) {
trimmedS := anno.TrimPunctuation(s)
return bytes.HasPrefix(trimmedS, []byte(":")) && bytes.HasSuffix(trimmedS, []byte(":")), trimmedS
})
// Expand takes a single emoji source and returns the actual
// characters.
func Expand(b string) string {
return emoji.CodeMap()[b]
}