Instead of the bare bones default config we embedded as a string until now we can use go 1.16 embed to embed the test blorg.org which makes a much better starting config (if only to see what's possible).
124 lines
2.7 KiB
Go
124 lines
2.7 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"strings"
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"github.com/alecthomas/chroma"
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"github.com/alecthomas/chroma/formatters/html"
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"github.com/alecthomas/chroma/lexers"
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"github.com/alecthomas/chroma/styles"
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"github.com/niklasfasching/go-org/blorg"
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"github.com/niklasfasching/go-org/org"
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)
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var usage = `Usage: go-org COMMAND [ARGS]...
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Commands:
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- render FILE FORMAT
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FORMAT: org, html, html-chroma
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- blorg
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- blorg init
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- blorg build
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- blorg serve
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`
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func main() {
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log.SetFlags(0)
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if len(os.Args) < 2 {
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log.Fatal(usage)
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}
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switch cmd, args := os.Args[1], os.Args[2:]; cmd {
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case "render":
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render(args)
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case "blorg":
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runBlorg(args)
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default:
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log.Fatal(usage)
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}
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}
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func runBlorg(args []string) {
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if len(args) == 0 {
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log.Fatal(usage)
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}
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switch strings.ToLower(args[0]) {
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case "init":
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if _, err := os.Stat(blorg.DefaultConfigFile); !os.IsNotExist(err) {
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log.Fatalf("%s already exists", blorg.DefaultConfigFile)
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}
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if err := ioutil.WriteFile(blorg.DefaultConfigFile, []byte(blorg.DefaultConfig), os.ModePerm); err != nil {
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log.Fatal(err)
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}
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if err := os.MkdirAll("content", os.ModePerm); err != nil {
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log.Fatal(err)
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}
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log.Println("./blorg.org and ./content/ created. Please adapt ./blorg.org")
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case "build":
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config, err := blorg.ReadConfig(blorg.DefaultConfigFile)
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if err != nil {
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log.Fatal(err)
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}
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if err := config.Render(); err != nil {
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log.Fatal(err)
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}
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log.Println("blorg build finished")
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case "serve":
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config, err := blorg.ReadConfig(blorg.DefaultConfigFile)
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if err != nil {
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log.Fatal(err)
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}
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log.Fatal(config.Serve())
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default:
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log.Fatal(usage)
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}
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}
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func render(args []string) {
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if len(args) < 2 {
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log.Fatal(usage)
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}
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path, format := args[0], args[1]
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bs, err := ioutil.ReadFile(path)
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if err != nil {
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log.Fatal(err)
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}
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d := org.New().Parse(bytes.NewReader(bs), path)
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write := func(w org.Writer) {
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out, err := d.Write(w)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Fprint(os.Stdout, out)
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}
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switch strings.ToLower(format) {
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case "org":
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write(org.NewOrgWriter())
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case "html":
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write(org.NewHTMLWriter())
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case "html-chroma":
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writer := org.NewHTMLWriter()
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writer.HighlightCodeBlock = highlightCodeBlock
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write(writer)
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default:
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log.Fatal(usage)
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}
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}
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func highlightCodeBlock(source, lang string, inline bool) string {
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var w strings.Builder
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l := lexers.Get(lang)
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if l == nil {
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l = lexers.Fallback
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}
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l = chroma.Coalesce(l)
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it, _ := l.Tokenise(nil, source)
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_ = html.New().Format(&w, styles.Get("friendly"), it)
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if inline {
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return `<div class="highlight-inline">` + "\n" + w.String() + "\n" + `</div>`
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}
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return `<div class="highlight">` + "\n" + w.String() + "\n" + `</div>`
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}
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