mirror of https://github.com/jlelse/GoBlog
Simplify emojify
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parent
caad3415c0
commit
5bb295b4ed
75
emoji.go
75
emoji.go
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// This is taken from Hugo
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//
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// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"bytes"
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"sync"
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"github.com/kyokomi/emoji"
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)
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var (
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emojiInit sync.Once
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emojis = make(map[string][]byte)
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emojiDelim = []byte(":")
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emojiWordDelim = []byte(" ")
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emojiMaxSize int
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)
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func emojify(source []byte) []byte {
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emojiInit.Do(initEmoji)
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start := 0
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k := bytes.Index(source[start:], emojiDelim)
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for k != -1 {
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j := start + k
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upper := j + emojiMaxSize
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if upper > len(source) {
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upper = len(source)
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}
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endEmoji := bytes.Index(source[j+1:upper], emojiDelim)
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nextWordDelim := bytes.Index(source[j:upper], emojiWordDelim)
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if endEmoji < 0 {
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start++
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} else if endEmoji == 0 || (nextWordDelim != -1 && nextWordDelim < endEmoji) {
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start += endEmoji + 1
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} else {
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endKey := endEmoji + j + 2
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emojiKey := source[j:endKey]
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if e, ok := emojis[string(emojiKey)]; ok {
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source = append(source[:j], append(e, source[endKey:]...)...)
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}
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start += endEmoji
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}
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if start >= len(source) {
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break
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}
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k = bytes.Index(source[start:], emojiDelim)
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}
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return source
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}
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func initEmoji() {
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emojiMap := emoji.CodeMap()
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for k, v := range emojiMap {
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emojis[k] = []byte(v)
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if len(k) > emojiMaxSize {
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emojiMaxSize = len(k)
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}
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}
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}
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2
main.go
2
main.go
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@ -18,7 +18,7 @@ func main() {
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log.Fatal(err)
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log.Fatal(err)
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return
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return
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}
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}
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initEmoji()
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initMarkdown()
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initRendering()
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initRendering()
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initMinify()
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initMinify()
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@ -2,7 +2,7 @@ package main
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import (
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import (
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"bytes"
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"bytes"
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_ "bytes"
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"github.com/kyokomi/emoji"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/parser"
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"github.com/yuin/goldmark/parser"
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@ -11,7 +11,7 @@ import (
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var markdown goldmark.Markdown
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var markdown goldmark.Markdown
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func init() {
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func initMarkdown() {
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markdown = goldmark.New(
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markdown = goldmark.New(
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goldmark.WithRendererOptions(
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goldmark.WithRendererOptions(
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html.WithUnsafe(),
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html.WithUnsafe(),
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}
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}
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func renderMarkdown(source string) (content []byte, err error) {
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func renderMarkdown(source string) (content []byte, err error) {
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context := parser.NewContext()
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var buffer bytes.Buffer
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var buffer bytes.Buffer
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err = markdown.Convert([]byte(source), &buffer, parser.WithContext(context))
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err = markdown.Convert([]byte(emoji.Sprint(source)), &buffer)
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content = emojify(buffer.Bytes())
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content = buffer.Bytes()
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return
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return
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}
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}
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