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package main
import (
"bufio"
"os"
"strings"
)
func dofile(file string) {
f, err := os.Open(file)
out := &strings.Builder{}
if err != nil {
panic(err)
}
scanner := bufio.NewScanner(f)
for scanner.Scan() {
line := scanner.Text()
switch {
case strings.HasPrefix(line, "//"):
continue
case strings.HasPrefix(line, "= "):
continue
case strings.HasPrefix(line, "[.text-left]"):
continue
case strings.HasPrefix(line, "[source, c]") || strings.HasPrefix(line,"[source,c]"):
out.WriteString("```c\n")
scanner.Scan() // eat the next line
continue
case line == "----":
out.WriteString("```\n")
continue
case line == "== NAME":
out.Reset()
scanner.Scan()
scanner.Scan()
parts := strings.SplitN(scanner.Text(), " - ", 2)
out.WriteString("## ")
out.WriteString(parts[0])
out.WriteString("\n")
line = parts[1]
out.WriteString("\n")
out.WriteString(strings.ToUpper(line[0:1]))
out.WriteString(line[1:])
out.WriteString(".\n")
case strings.HasPrefix(line, "== "):
out.WriteString("### ")
out.WriteString(strings.Title(strings.ToLower(line[3:])))
out.WriteString("\n")
continue
case strings.HasPrefix(line, "=== "):
out.WriteString("#### ")
out.WriteString(line[4:])
out.WriteString("\n")
continue
default:
line = strings.Replace(line, "()`", "`", -1)
line = strings.Replace(line, "()]", "]", -1)
line = strings.Replace(line, "(3)]", "]", -1)
line = strings.Replace(line, "(5)]", "]", -1)
line = strings.Replace(line, "(7)]", "]", -1)
line = strings.Replace(line, "(3compat)]", "]", -1)
line = strings.Replace(line, "(3http)]", "]", -1)
line = strings.Replace(line, "(3str)]", "]", -1)
line = strings.Replace(line, "(3supp)]", "]", -1)
line = strings.Replace(line, "(3tls)]", "]", -1)
line = strings.Replace(line, ".3.adoc", ".adoc", -1)
line = strings.Replace(line, ".5.adoc", ".adoc", -1)
line = strings.Replace(line, ".7.adoc", ".adoc", -1)
line = strings.Replace(line, ".3compat.adoc", ".adoc", -1)
line = strings.Replace(line, ".3http.adoc", ".adoc", -1)
line = strings.Replace(line, ".3str.adoc", ".adoc", -1)
line = strings.Replace(line, ".3supp.adoc", ".adoc", -1)
line = strings.Replace(line, ".3tls.adoc", ".adoc", -1)
out.WriteString(line)
out.WriteRune('\n')
continue
}
}
tmpFile := file + "tmp"
var w *os.File
w, err = os.Create(tmpFile)
if _, err = w.WriteString(out.String()); err != nil {
os.Remove(tmpFile)
} else {
os.Rename(tmpFile, file)
}
}
func main() {
for _, arg := range os.Args {
dofile(arg)
}
}
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