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emoji: fix merged unicode

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for several of the emoji "words", they are a union of unicode points.
Like flags are the two letters together. Female Detective is a number of
connected symbols. This representation needs to be alltogether.

With this update the unicode points are joined, and require spliting on
the "U+". To help with this and be useful as a library there is a
function `emoji.CodepointToUnicode(string) string` to do this now.

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2018-10-16 14:32:46 -04:00
parent 1d0526c5b6
commit cc9cb5d099
Signed by: vbatts
GPG key ID: 10937E57733F1362
6 changed files with 271 additions and 227 deletions
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26
emoji/map.go
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@ -2,6 +2,7 @@ package emoji
import (
"fmt"
"strconv"
"strings"
)
@ -44,11 +45,30 @@ func IsCodepoint(word string) bool {
var unicodeURL = `http://www.unicode.org/emoji/charts/full-emoji-list.html`
// UnicodeLink returns a link to unicode.org list for CodePoint, or just the
// UnicodeLinkURL returns a link to unicode.org list for CodePoint, or just the
// full list if not a codepoint
func UnicodeLink(word string) string {
func UnicodeLinkURL(word string) string {
if !IsCodepoint(word) {
return unicodeURL
}
return fmt.Sprintf("%s#%s", unicodeURL, strings.SplitN(strings.ToLower(word), "+", 2)[1])
return fmt.Sprintf("%s#%s", unicodeURL, strings.Join(strings.Split(strings.TrimPrefix(strings.ToUpper(word), "U+"), "U+"), "_"))
}
// CodepointToUnicode takes a "U+26CF" style word and returns the `\U00026CF` formated unicode string
func CodepointToUnicode(word string) string {
if !IsCodepoint(word) {
return word
}
var ret string
for _, chunk := range strings.Split(strings.TrimPrefix(strings.ToUpper(word), "U+"), "U+") {
c, err := strconv.ParseInt(chunk, 16, 64)
if err != nil {
return ret
}
ret = fmt.Sprintf("%s%c", ret, c)
}
return ret
}