Add support for sending spoilers
This commit is contained in:
Tulir Asokan
parent
a5bdba204e
commit
5674f076be
6
go.mod
6
go.mod
@ -12,19 +12,19 @@ require (
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github.com/mattn/go-runewidth v0.0.13
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github.com/mattn/go-sqlite3 v1.14.12
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github.com/rivo/uniseg v0.2.0
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github.com/russross/blackfriday/v2 v2.1.0
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github.com/sasha-s/go-deadlock v0.3.1
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github.com/yuin/goldmark v1.4.11
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github.com/zyedidia/clipboard v1.0.3
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go.etcd.io/bbolt v1.3.6
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go.mau.fi/cbind v0.0.0-20220415094356-e1d579b7925e
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go.mau.fi/mauview v0.1.4-0.20220415105047-1b3ec9f6480e
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go.mau.fi/mauview v0.1.4-0.20220415142327-ec5e0de686a8
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go.mau.fi/tcell v0.0.0-20220415093808-07c67d224693
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golang.org/x/image v0.0.0-20220413100746-70e8d0d3baa9
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golang.org/x/net v0.0.0-20220412020605-290c469a71a5
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gopkg.in/toast.v1 v1.0.0-20180812000517-0a84660828b2
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gopkg.in/vansante/go-ffprobe.v2 v2.0.3
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gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b
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maunium.net/go/mautrix v0.10.13-0.20220409135345-cbe2dbaef0e9
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maunium.net/go/mautrix v0.10.13-0.20220415172627-597a9560f721
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)
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require (
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12
go.sum
12
go.sum
@ -33,8 +33,6 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
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github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
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github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
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github.com/sasha-s/go-deadlock v0.3.1 h1:sqv7fDNShgjcaxkO0JNcOAlr8B9+cV5Ey/OB71efZx0=
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github.com/sasha-s/go-deadlock v0.3.1/go.mod h1:F73l+cr82YSh10GxyRI6qZiCgK64VaZjwesgfQ1/iLM=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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@ -50,14 +48,16 @@ github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
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github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
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github.com/tidwall/sjson v1.2.4 h1:cuiLzLnaMeBhRmEv00Lpk3tkYrcxpmbU81tAY4Dw0tc=
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github.com/tidwall/sjson v1.2.4/go.mod h1:098SZ494YoMWPmMO6ct4dcFnqxwj9r/gF0Etp19pSNM=
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github.com/yuin/goldmark v1.4.11 h1:i45YIzqLnUc2tGaTlJCyUxSG8TvgyGqhqOZOUKIjJ6w=
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github.com/yuin/goldmark v1.4.11/go.mod h1:rmuwmfZ0+bvzB24eSC//bk1R1Zp3hM0OXYv/G2LIilg=
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github.com/zyedidia/clipboard v1.0.3 h1:F/nCDVYMdbDWTmY8s8cJl0tnwX32q96IF09JHM14bUI=
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github.com/zyedidia/clipboard v1.0.3/go.mod h1:zykFnZUXX0ErxqvYLUFEq7QDJKId8rmh2FgD0/Y8cjA=
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go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
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go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
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go.mau.fi/cbind v0.0.0-20220415094356-e1d579b7925e h1:zY4TZmHAaUhrMFJQfh02dqxDYSfnnXlw/qRoFanxZTw=
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go.mau.fi/cbind v0.0.0-20220415094356-e1d579b7925e/go.mod h1:9nnzlslhUo/xO+8tsQgkFqG/W+SgD+r0iTYAuglzlmA=
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go.mau.fi/mauview v0.1.4-0.20220415105047-1b3ec9f6480e h1:fG4llCg1rIk63dhSdRrliRa8lj81VZ8UzIysVgWKLJ8=
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go.mau.fi/mauview v0.1.4-0.20220415105047-1b3ec9f6480e/go.mod h1:CPqlQWgiHEJHLNyD8vjMXotnPluMz0eDpKKCimjxFYE=
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go.mau.fi/mauview v0.1.4-0.20220415142327-ec5e0de686a8 h1:+1CFVnx1OmCptuxF/5s2yOD96iYt3+6o/f0x7uyhUGQ=
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go.mau.fi/mauview v0.1.4-0.20220415142327-ec5e0de686a8/go.mod h1:CPqlQWgiHEJHLNyD8vjMXotnPluMz0eDpKKCimjxFYE=
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go.mau.fi/tcell v0.0.0-20220415093808-07c67d224693 h1:pCfn8BS6fiGG1inpebysWQxeRmK/nsgKPMF9TupqYNQ=
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go.mau.fi/tcell v0.0.0-20220415093808-07c67d224693/go.mod h1:HQLPCz9v8YfYewMetOKrg9pe87XEyNcIfCYYq8VxQbU=
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golang.org/x/crypto v0.0.0-20220408190544-5352b0902921 h1:iU7T1X1J6yxDr0rda54sWGkHgOp5XJrqm79gcNlC2VM=
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@ -99,5 +99,5 @@ gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v
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gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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maunium.net/go/maulogger/v2 v2.3.2 h1:1XmIYmMd3PoQfp9J+PaHhpt80zpfmMqaShzUTC7FwY0=
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maunium.net/go/maulogger/v2 v2.3.2/go.mod h1:TYWy7wKwz/tIXTpsx8G3mZseIRiC5DoMxSZazOHy68A=
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maunium.net/go/mautrix v0.10.13-0.20220409135345-cbe2dbaef0e9 h1:LcZDeMbuaj+f/WdOfX+OjLHjH58fRCu0PLmt+XO+iyY=
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maunium.net/go/mautrix v0.10.13-0.20220409135345-cbe2dbaef0e9/go.mod h1:+LYU9Y5wunwC3ya7O4FuweCBQ5MVaglcgO/DGmXDbcg=
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maunium.net/go/mautrix v0.10.13-0.20220415172627-597a9560f721 h1:QuCkJp2siYbXtZPStpYqPZ9Cz6yFCEVOGkBkmUchg7M=
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maunium.net/go/mautrix v0.10.13-0.20220415172627-597a9560f721/go.mod h1:zOor2zO/F10T/GbU67vWr0vnhLso88rlRr1HIrb1XWU=
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@ -37,7 +37,7 @@ import (
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"unicode"
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"github.com/lucasb-eyer/go-colorful"
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"github.com/russross/blackfriday/v2"
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"github.com/yuin/goldmark"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/event"
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@ -85,21 +85,22 @@ var rainbow = GradientTable{
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{colorful.LinearRgb(1, 0, 0.5), 11 / 11.0},
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}
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var rainbowMark = goldmark.New(format.Extensions, format.HTMLOptions, goldmark.WithExtensions(ExtensionRainbow))
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// TODO this command definitely belongs in a plugin once we have a plugin system.
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func makeRainbow(cmd *Command, msgtype event.MessageType) {
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text := strings.Join(cmd.Args, " ")
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render := NewRainbowRenderer(blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{
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Flags: blackfriday.UseXHTML,
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}))
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htmlBodyBytes := blackfriday.Run([]byte(text), format.Extensions, blackfriday.WithRenderer(render))
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htmlBody := strings.TrimRight(string(htmlBodyBytes), "\n")
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var buf strings.Builder
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_ = rainbowMark.Convert([]byte(text), &buf)
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htmlBody := strings.TrimRight(buf.String(), "\n")
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htmlBody = format.AntiParagraphRegex.ReplaceAllString(htmlBody, "$1")
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text = format.HTMLToText(htmlBody)
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count := strings.Count(htmlBody, render.ColorID)
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count := strings.Count(htmlBody, defaultRB.ColorID)
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i := -1
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htmlBody = regexp.MustCompile(render.ColorID).ReplaceAllStringFunc(htmlBody, func(match string) string {
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htmlBody = regexp.MustCompile(defaultRB.ColorID).ReplaceAllStringFunc(htmlBody, func(match string) string {
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i++
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return rainbow.GetInterpolatedColorFor(float64(i) / float64(count)).Hex()
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})
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147
ui/rainbow.go
147
ui/rainbow.go
@ -1,5 +1,5 @@
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// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2020 Tulir Asokan
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// Copyright (C) 2022 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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@ -17,24 +17,18 @@
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package ui
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import (
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"bytes"
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"fmt"
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"html"
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"io"
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"math/rand"
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"unicode"
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"github.com/rivo/uniseg"
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"github.com/russross/blackfriday/v2"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/ast"
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"github.com/yuin/goldmark/renderer"
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"github.com/yuin/goldmark/renderer/html"
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"github.com/yuin/goldmark/util"
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)
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type RainbowRenderer struct {
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*blackfriday.HTMLRenderer
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sr *blackfriday.SPRenderer
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ColorID string
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}
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func Rand(n int) (str string) {
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b := make([]byte, n)
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rand.Read(b)
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@ -42,69 +36,100 @@ func Rand(n int) (str string) {
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return
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}
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func NewRainbowRenderer(html *blackfriday.HTMLRenderer) *RainbowRenderer {
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return &RainbowRenderer{
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HTMLRenderer: html,
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sr: blackfriday.NewSmartypantsRenderer(html.Flags),
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ColorID: Rand(16),
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}
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type extRainbow struct{}
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type rainbowRenderer struct {
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HardWraps bool
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ColorID string
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}
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func (r *RainbowRenderer) RenderNode(w io.Writer, node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
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if node.Type == blackfriday.Text {
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var buf bytes.Buffer
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if r.Flags&blackfriday.Smartypants != 0 {
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var tmp bytes.Buffer
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escapeHTML(&tmp, node.Literal)
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r.sr.Process(&buf, tmp.Bytes())
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} else {
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if node.Parent.Type == blackfriday.Link {
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escLink(&buf, node.Literal)
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} else {
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escapeHTML(&buf, node.Literal)
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}
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}
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graphemes := uniseg.NewGraphemes(buf.String())
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buf.Reset()
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var ExtensionRainbow = &extRainbow{}
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var defaultRB = &rainbowRenderer{HardWraps: true, ColorID: Rand(16)}
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func (er *extRainbow) Extend(m goldmark.Markdown) {
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m.Renderer().AddOptions(renderer.WithNodeRenderers(util.Prioritized(defaultRB, 0)))
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}
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func (rb *rainbowRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
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reg.Register(ast.KindText, rb.renderText)
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reg.Register(ast.KindString, rb.renderString)
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}
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type rainbowBufWriter struct {
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util.BufWriter
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ColorID string
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}
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func (rbw rainbowBufWriter) WriteString(s string) (int, error) {
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i := 0
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graphemes := uniseg.NewGraphemes(s)
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for graphemes.Next() {
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runes := graphemes.Runes()
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if len(runes) == 1 && unicode.IsSpace(runes[0]) {
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buf.WriteRune(runes[0])
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i2, err := rbw.BufWriter.WriteRune(runes[0])
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i += i2
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if err != nil {
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return i, err
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}
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continue
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}
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_, _ = fmt.Fprintf(&buf, "<font color=\"%s\">%s</font>", r.ColorID, graphemes.Str())
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i2, err := fmt.Fprintf(rbw.BufWriter, "<font color=\"%s\">%s</font>", rbw.ColorID, graphemes.Str())
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i += i2
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if err != nil {
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return i, err
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}
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_, _ = w.Write(buf.Bytes())
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return blackfriday.GoToNext
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}
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return r.HTMLRenderer.RenderNode(w, node, entering)
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return i, nil
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}
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// This stuff is copied directly from blackfriday
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var htmlEscaper = [256][]byte{
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'&': []byte("&"),
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'<': []byte("<"),
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'>': []byte(">"),
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'"': []byte("""),
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func (rbw rainbowBufWriter) Write(data []byte) (int, error) {
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return rbw.WriteString(string(data))
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}
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func escapeHTML(w io.Writer, s []byte) {
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var start, end int
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for end < len(s) {
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escSeq := htmlEscaper[s[end]]
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if escSeq != nil {
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w.Write(s[start:end])
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w.Write(escSeq)
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start = end + 1
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}
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end++
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}
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if start < len(s) && end <= len(s) {
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w.Write(s[start:end])
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func (rbw rainbowBufWriter) WriteByte(c byte) error {
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_, err := rbw.WriteRune(rune(c))
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return err
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}
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func (rbw rainbowBufWriter) WriteRune(r rune) (int, error) {
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if unicode.IsSpace(r) {
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return rbw.BufWriter.WriteRune(r)
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} else {
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return fmt.Fprintf(rbw.BufWriter, "<font color=\"%s\">%c</font>", rbw.ColorID, r)
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}
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}
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func escLink(w io.Writer, text []byte) {
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unesc := html.UnescapeString(string(text))
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escapeHTML(w, []byte(unesc))
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func (rb *rainbowRenderer) renderText(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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if !entering {
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return ast.WalkContinue, nil
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}
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n := node.(*ast.Text)
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segment := n.Segment
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if n.IsRaw() {
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html.DefaultWriter.RawWrite(rainbowBufWriter{w, rb.ColorID}, segment.Value(source))
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} else {
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html.DefaultWriter.Write(rainbowBufWriter{w, rb.ColorID}, segment.Value(source))
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if n.HardLineBreak() || (n.SoftLineBreak() && rb.HardWraps) {
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_, _ = w.WriteString("<br>\n")
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} else if n.SoftLineBreak() {
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_ = w.WriteByte('\n')
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}
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}
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return ast.WalkContinue, nil
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}
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func (rb *rainbowRenderer) renderString(w util.BufWriter, source []byte, node ast.Node, entering bool) (ast.WalkStatus, error) {
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if !entering {
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return ast.WalkContinue, nil
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}
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n := node.(*ast.String)
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if n.IsCode() {
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_, _ = w.Write(n.Value)
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} else {
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if n.IsRaw() {
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html.DefaultWriter.RawWrite(rainbowBufWriter{w, rb.ColorID}, n.Value)
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} else {
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html.DefaultWriter.Write(rainbowBufWriter{w, rb.ColorID}, n.Value)
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}
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}
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return ast.WalkContinue, nil
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}
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