Replace :emoji: with unicode chars. #215

Add vendor github.com/peterhellberg/emojilib

vendor/github.com/peterhellberg/emojilib/emojilib.go

@@ -0,0 +1,88 @@
+/*
+
+Package emojilib is a port of the Emoji keyword library to Go
+
+Installation
+
+Just go get the package:
+
+    go get -u github.com/peterhellberg/emojilib
+
+Usage
+
+A small usage example
+
+		package main
+
+		import (
+			"fmt"
+
+			"github.com/peterhellberg/emojilib"
+		)
+
+		func main() {
+			fmt.Println(emojilib.ReplaceWithPadding("I :green_heart: You!"))
+		}
+
+*/
+package emojilib
+
+import "errors"
+
+//go:generate go run _generator/main.go
+
+// Emojis contain emojis keyed on their name
+type Emojis map[string]Emoji
+
+// Emoji contains the keywords, char and category for an emoji
+type Emoji struct {
+	Keywords []string `json:"keywords"`
+	Char     string   `json:"char"`
+	Category string   `json:"category"`
+}
+
+// ErrUnknownEmoji is returned from Find if provided with a unknown emoji name
+var ErrUnknownEmoji = errors.New("unknown emoji")
+
+// ErrUnknownKeyword is returned from Keyword if provided with a unknown keyword
+var ErrUnknownKeyword = errors.New("unknown keyword")
+
+// Find returns an Emoji if provided with a known name
+func Find(n string) (Emoji, error) {
+	if e, ok := emojis[n]; ok {
+		return e, nil
+	}
+
+	return Emoji{}, ErrUnknownEmoji
+}
+
+// Keyword returns Emojis for the given keyword
+func Keyword(k string) ([]Emoji, error) {
+	if names, ok := keywordLookup[k]; ok {
+		es := []Emoji{}
+
+		for _, n := range names {
+			es = append(es, emojis[n])
+		}
+
+		return es, nil
+	}
+
+	return []Emoji{}, ErrUnknownKeyword
+}
+
+// All returns all the emojis
+func All() Emojis {
+	return emojis
+}
+
+// Replace takes a string and replaces all emoji names with their emoji character
+func Replace(s string) string {
+	return emojiReplacer.Replace(s)
+}
+
+// ReplaceWithPadding takes a string and replaces all emoji names with their
+// emoji character and a space in order to display better in terminals
+func ReplaceWithPadding(s string) string {
+	return emojiPaddedReplacer.Replace(s)
+}