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package main
import (
"fmt"
"os"
"git.thomasvoss.com/getgopt"
"git.thomasvoss.com/gsp/formatter"
"git.thomasvoss.com/gsp/parser"
)
var dflag bool
func main() {
for opt := byte(0); getgopt.Getopt(len(os.Args), os.Args, "d", &opt); {
switch opt {
case 'd':
dflag = true
default:
fmt.Fprintf(os.Stderr, "Usage: %s [-d] [file ...]\n", os.Args[0])
os.Exit(1)
}
}
args := os.Args[getgopt.Optind:]
if len(args) == 0 {
process("-")
}
for _, a := range args {
process(a)
}
}
func process(filename string) {
var file *os.File
var err error
if filename == "-" {
file = os.Stdin
} else {
file, err = os.Open(filename)
if err != nil {
die(err)
}
defer file.Close()
}
ast, err := parser.ParseFile(file)
if err != nil {
die(err)
}
if !dflag {
fmt.Print("<!DOCTYPE html>")
}
formatter.PrintAst(ast)
fmt.Print("\n")
}
func die(e error) {
fmt.Fprintf(os.Stderr, "%s: %s\n", os.Args[0], e)
os.Exit(1)
}
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