Created
March 7, 2017 00:19
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htmlize
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| package main | |
| import ( | |
| "errors" | |
| "fmt" | |
| "html/template" | |
| "io" | |
| "os" | |
| "strings" | |
| ) | |
| type Meta struct { | |
| Analytics string // google analytics id, could be empty | |
| Disqus string // disqus id, could be empty | |
| Title string // title of current article | |
| Prev, Next string // titles of prev and next articles, should HrefFor() to articles, could be empty | |
| Tags []string // list of tags, should HrefFor() to post listings | |
| HrefFor func(string) string // translate title or tag into URL | |
| } | |
| func (meta Meta) Htmlize(content io.Reader, out io.Writer) error { | |
| if meta.HrefFor == nil { | |
| return errors.New(`Meta.HrefFor() is nil`) | |
| } | |
| err := template.Must(template.New("header").Parse(Header)).Execute(out, meta) | |
| if err != nil { | |
| return err | |
| } | |
| _, err = io.Copy(out, content) | |
| if err != nil { | |
| return err | |
| } | |
| return template.Must(template.New("nav").Funcs(map[string]interface{}{"hreffor": meta.HrefFor}). | |
| Parse(Footer)).Execute(out, meta) | |
| } | |
| func run() error { | |
| return Meta{ | |
| Title: "example blog post", | |
| HrefFor: func(title string) string { return strings.Replace(title, " ", "-", -1) }, | |
| Tags: []string{"t1", "hasztag dwa"}, | |
| }.Htmlize(strings.NewReader(`<h1>foo</h1>bar`), os.Stdout) | |
| } | |
| func main() { | |
| err := run() | |
| if err == nil { | |
| return | |
| } | |
| fmt.Fprintf(os.Stderr, "%s\n", err) | |
| os.Exit(1) | |
| } | |
| //~ `UA-92786202-1` | |
| //~ pkomosa | |
| const Header = `<!DOCTYPE html><html lang=pl><head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"> | |
| <title>{{.Title}}</title> | |
| <style>img{max-width:100%;height:auto}pre{max-width:100%;height:auto;white-space:pre-wrap}.navi href{flex-grow:1} | |
| .navi{display:flex;flex-direction:row;justify-content:space-between;padding-bottom:.5em;font-style:italic}</style> | |
| {{with .Analytics}}<script> window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)}; | |
| ga.l=+new Date; ga('create', '{{.}}', 'auto'); ga('send', 'pageview'); </script> | |
| <script async src='//www.google-analytics.com/analytics.js'></script>{{end}} | |
| {{with .Disqus}}<script async src='//{{.}}.disqus.com/embed.js>'</script>{{end}} | |
| </head><body><strong>{{.Title}}</strong><hr> | |
| ` | |
| const Footer = `<hr>{{if or .Prev .Next}}<div class=navi> | |
| {{with .Prev}}<a href={{hreffor .}}>← {{.}}</a>{{end}} | |
| {{with .Next}}<a href={{hreffor .}}>{{.}} →</a>{{end}} | |
| </div>{{end}} | |
| {{with .Tags}}<footer><div class=navi> | |
| {{range .}}<a href={{hreffor .}}>#{{.}}</a>{{end}} | |
| </footer></div>{{end}} | |
| ` |
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