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markdown
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example markdown binary: try to guess a title

This commit is contained in:
Russ Ross 2011-06-28 10:58:37 -06:00
parent 2a18706ca4
commit 84eeba2562
1 changed files with 16 additions and 2 deletions
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18
example/main.go
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@ -16,6 +16,7 @@
package main package main
import ( import (
"bytes"
"flag" "flag"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
@ -46,7 +47,7 @@ func main() {
flag.Usage = func() { flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage:\n"+ fmt.Fprintf(os.Stderr, "Usage:\n"+
" %s [options] [inputfile [outputfile]]\n\n"+ " %s [options] [inputfile [outputfile]]\n\n"+
"Options:\n", os.Args[0]) "Options:\n",os.Args[0])
flag.PrintDefaults() flag.PrintDefaults()
} }
flag.Parse() flag.Parse()
@ -135,6 +136,19 @@ func main() {
} }
if page { if page {
// if it starts with an <h1>, make that the title
title := ""
if bytes.HasPrefix(output, []byte("<h1>")) {
end := 0
// we know the buffer ends with a newline, so no need to check bounds
for output[end] != '\n' {
end++
}
if bytes.HasSuffix(output[:end], []byte("</h1>")) {
title = string(output[len("<h1>") : end-len("</h1>")])
}
}
ending := "" ending := ""
if xhtml { if xhtml {
fmt.Fprint(out, "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" ") fmt.Fprint(out, "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" ")
@ -147,7 +161,7 @@ func main() {
fmt.Fprintln(out, "<html>") fmt.Fprintln(out, "<html>")
} }
fmt.Fprintln(out, "<head>") fmt.Fprintln(out, "<head>")
fmt.Fprintln(out, " <title></title>") fmt.Fprintf(out, " <title>%s</title>\n", title)
fmt.Fprintf(out, " <meta name=\"GENERATOR\" content=\"Blackfriday markdown processor\"%s>\n", ending) fmt.Fprintf(out, " <meta name=\"GENERATOR\" content=\"Blackfriday markdown processor\"%s>\n", ending)
fmt.Fprintf(out, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"%s>\n", ending) fmt.Fprintf(out, " <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"%s>\n", ending)
if css != "" { if css != "" {