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package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/yosssi/ace"
"github.com/yosssi/gohtml"
)
var (
noFormat bool
lineNo bool
)
func compileResultFromStdin() (string, error) {
b, err := ioutil.ReadAll(os.Stdin)
if err != nil {
return "", err
}
name, baseFile := "stdin", "stdin.ace"
base := ace.NewFile(baseFile, b)
inner := ace.NewFile("", []byte{})
src := ace.NewSource(base, inner, []*ace.File{})
rslt, err := ace.ParseSource(src, nil)
if err != nil {
return "", err
}
tpl, err := ace.CompileResult(name, rslt, nil)
if err != nil {
return "", err
}
return tpl.Lookup(name).Tree.Root.String(), nil
}
func compileResultFromFile(baseFile, innerFile string) (string, error) {
base := baseFile[:len(baseFile)-len(filepath.Ext(baseFile))]
var inner string
if len(innerFile) > 0 {
inner = innerFile[:len(innerFile)-len(filepath.Ext(innerFile))]
}
name := base + ":" + inner
tpl, err := ace.Load(base, inner, nil)
if err != nil {
return "", err
}
return tpl.Lookup(name).Tree.Root.String(), nil
}
func main() {
flag.BoolVar(&noFormat, "no-format", false, "output HTML without format")
flag.BoolVar(&lineNo, "lineno", false, "output formatted HTML with line numbers")
flag.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage:\n %s [options] [base.ace] [inner.ace]\n\nOptions:\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
var (
compiled string
err error
)
baseFile := flag.Arg(0)
if len(baseFile) == 0 {
compiled, err = compileResultFromStdin()
} else {
compiled, err = compileResultFromFile(baseFile, flag.Arg(1))
}
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if noFormat {
fmt.Println(compiled)
} else {
if lineNo {
fmt.Println(gohtml.FormatWithLineNo(compiled))
} else {
fmt.Println(gohtml.Format(compiled))
}
}
}
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