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package memsizeui
import (
"html/template"
"strconv"
"sync"
"github.com/fjl/memsize"
)
var (
base *template.Template // the "base" template
baseInitOnce sync.Once
)
func baseInit() {
base = template.Must(template.New("base").Parse(`<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>memsize</title>
<style>
body {
font-family: sans-serif;
}
button, .button {
display: inline-block;
font-weight: bold;
color: black;
text-decoration: none;
font-size: inherit;
padding: 3pt;
margin: 3pt;
background-color: #eee;
border: 1px solid #999;
border-radius: 2pt;
}
form.inline {
display: inline-block;
}
</style>
</head>
<body>
{{template "content" .}}
</body>
</html>`))
base.Funcs(template.FuncMap{
"quote": strconv.Quote,
"humansize": memsize.HumanSize,
})
template.Must(base.New("rootbuttons").Parse(`
<a class="button" href="{{$.Link ""}}">Overview</a>
{{- range $root := .Roots -}}
<form class="inline" method="POST" action="{{$.Link "scan?root=" $root}}">
<button type="submit">Scan {{quote $root}}</button>
</form>
{{- end -}}`))
}
func contentTemplate(source string) *template.Template {
baseInitOnce.Do(baseInit)
t := template.Must(base.Clone())
template.Must(t.New("content").Parse(source))
return t
}
var rootTemplate = contentTemplate(`
<h1>Memsize</h1>
{{template "rootbuttons" .}}
<hr/>
<h3>Reports</h3>
<ul>
{{range .Reports}}
<li><a href="{{printf "%d" | $.Link "report/"}}">{{quote .RootName}} @ {{.Date}}</a></li>
{{else}}
No reports yet, hit a scan button to create one.
{{end}}
</ul>
`)
var notFoundTemplate = contentTemplate(`
<h1>{{.Data}}</h1>
{{template "rootbuttons" .}}
`)
var reportTemplate = contentTemplate(`
{{- $report := .Data -}}
<h1>Memsize Report {{$report.ID}}</h1>
<form method="POST" action="{{$.Link "scan?root=" $report.RootName}}">
<a class="button" href="{{$.Link ""}}">Overview</a>
<button type="submit">Scan Again</button>
</form>
<pre>
Root: {{quote $report.RootName}}
Date: {{$report.Date}}
Duration: {{$report.Duration}}
Bitmap Size: {{$report.Sizes.BitmapSize | humansize}}
Bitmap Utilization: {{$report.Sizes.BitmapUtilization}}
</pre>
<hr/>
<pre>
{{$report.Sizes.Report}}
</pre>
`)
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