forked from maruel/panicparse
/
html.go
198 lines (187 loc) · 7.5 KB
/
html.go
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// Copyright 2017 Marc-Antoine Ruel. All rights reserved.
// Use of this source code is governed under the Apache License, Version 2.0
// that can be found in the LICENSE file.
package internal
import (
"html/template"
"os"
"time"
"github.com/maruel/panicparse/stack"
)
func writeToHTML(html string, buckets stack.Buckets, needsEnv bool) error {
m := template.FuncMap{
"funcClass": funcClass,
"notoColorEmoji1F4A3": notoColorEmoji1F4A3,
}
if len(buckets) > 1 {
m["routineClass"] = routineClass
} else {
m["routineClass"] = func(bucket *stack.Bucket) template.HTML { return "Routine" }
}
t, err := template.New("htmlTpl").Funcs(m).Parse(htmlTpl)
if err != nil {
return err
}
data := struct {
Buckets stack.Buckets
Now time.Time
NeedsEnv bool
}{buckets, time.Now().Truncate(time.Second), needsEnv}
f, err := os.Create(html)
if err != nil {
return err
}
err1 := t.Execute(f, data)
err2 := f.Close()
if err1 != nil {
return err1
}
return err2
}
func funcClass(line *stack.Call) template.HTML {
if line.IsStdlib() {
if line.Func.IsExported() {
return "FunctionStdLibExported"
}
return "FunctionStdLib"
} else if line.IsPkgMain() {
return "FunctionMain"
} else if line.Func.IsExported() {
return "FunctionOtherExported"
}
return "FunctionOther"
}
func routineClass(bucket *stack.Bucket) template.HTML {
if bucket.First() {
return "RoutineFirst"
}
return "Routine"
}
const htmlTpl = `<!DOCTYPE html>
{{- define "RenderCall" -}}
{{.SourceLine}} <span class="{{funcClass .}}">{{.Func.Name}}</span>({{.Args}})
{{- end -}}
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>PanicParse</title>
<link rel="shortcut icon" type="image/png" href="data:image/png;base64,{{notoColorEmoji1F4A3}}"/>
<style>
body {
background: black;
color: lightgray;
}
body, pre {
font-family: Menlo, monospace;
font-weight: bold;
}
.FunctionStdLibExported {
color: #7CFC00;
}
.FunctionStdLib {
color: #008000;
}
.FunctionMain {
color: #C0C000;
}
.FunctionOtherExported {
color: #FF0000;
}
.FunctionOther {
color: #A00000;
}
.RoutineFirst {
}
.Routine {
}
</style>
<div id="legend">Generated on {{.Now.String}}.
{{if .NeedsEnv}}
<br>To see all goroutines, visit <a
href=https://github.com/maruel/panicparse#gotraceback>github.com/maruel/panicparse</a>.<br>
{{end}}
</div>
<div id="content">
{{range .Buckets}}
<h1>{{if .First}}Panicking {{end}}Routine</h1>
<span class="{{routineClass .}}">{{len .Routines}}: <span class="state">{{.State}}</span>
{{if .SleepMax -}}
{{- if ne .SleepMin .SleepMax}} <span class="sleep">[{{.SleepMin}}~{{.SleepMax}} minutes]</span>
{{- else}} <span class="sleep">[{{.SleepMax}} minutes]</span>
{{- end -}}
{{- end}}
{{if .Locked}} <span class="locked">[locked]</span>
{{- end -}}
{{- if .CreatedBy.SourcePath}} <span class="created">[Created by {{template "RenderCall" .CreatedBy}}]</span>
{{- end -}}
<h2>Stack</h2>
{{range .Signature.Stack.Calls}}
- {{template "RenderCall" .}}<br>
{{- end}}
{{if .Stack.Elided}}(...)<br>{{end}}
{{end}}
</div>
`
// notoColorEmoji1F4A3 is the bomb emoji U+1F4A3 in Noto Emoji as a PNG.
//
// Source: https://www.google.com/get/noto/help/emoji/smileys-people.html
// License: http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL
//
// Created with:
// python -c "import base64;a=base64.b64encode(open('emoji_u1f4a3.png','rb').read()); print '\n'.join(a[i:i+70] for i in range(0,len(a),70))"
func notoColorEmoji1F4A3() template.HTML {
return "" +
"iVBORw0KGgoAAAANSUhEUgAAAIgAAACACAMAAADnN9ENAAAA5FBMVEVMaXFvTjQhISEhIS" +
"EhISEhISEhISEhISEhISEhISEhISEhISHRbBTRbBTRbBQhISHRbBTRbBTRbBTRbBQ6OjrR" +
"bBTZcBTsehbzfhf1fxfidRVOTk75oiL7uCr90zL3kB3/6zv2hhlHMR5OTk5KSkpKSkpRUV" +
"FKSkpKSkpMTExBQUE2NjYpKSlOTk5EREQ8PDw4ODgtLS1RUVFQUFAmJiYkJCQ0NDRLS0tT" +
"U1MoKCgyMjJHR0dTU1NdXV0rKytXV1dVVVUvLy9eXl5aWlpcXFxcXFxeXl5fX186OjphYW" +
"E/Pz9KSkrdB5CTAAAATHRSTlMAEUZggJjf/6/vcL86e1nP2//vmSC7//////9E////////" +
"/2WPpYHp////////////////////z/////8w6P////+p/8f///////+/QBb3BQAACWJJRE" +
"FUeAHslgWC6yAURUOk1N3d3d29+9/SzzxCStvQEfp9zgZycu8DnvTNN78YJCuqqsry77WQ" +
"NRum2BX0u7JQiYWJw/l7NBz4AderQkFut8frdn+kFBu2wodeYeHxBwjBkFd6StiFOYiboF" +
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"aS6bBzLGxLKRKNer1MELX0wEmYHk8pSMGUmIlMI+LC7uTeEQmhEvnZBC/kqGTolfkmSn72" +
"NPbFhoWOHswmczeYYC7YaV4MfBHl+BEYmCSJYVSUM3ukgRM5C7g4edqAqLMBq0m1sRh8oe" +
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}