Exemple #1
0
Fichier : main.go Projet : eywu/pup
// pup
func main() {
	cmds := ProcessFlags(os.Args[1:])
	cr, err := charset.NewReader(inputStream, "")
	if err != nil {
		fmt.Fprintf(os.Stderr, err.Error())
		os.Exit(2)
	}
	root, err := html.Parse(cr)
	if err != nil {
		fmt.Fprintf(os.Stderr, err.Error())
		os.Exit(2)
	}
	inputStream.Close()
	if len(cmds) == 0 {
		PrintNode(root, 0)
		os.Exit(0)
	}
	selectors := make([]selector.Selector, len(cmds))
	for i, cmd := range cmds {
		if i+1 == len(cmds) {
			d, err := funcs.NewDisplayFunc(cmd)
			if err == nil {
				displayer = d
				selectors = selectors[0 : len(cmds)-1]
				break
			}
		}
		selectors[i], err = selector.NewSelector(cmd)
		if err != nil {
			Fatal("Selector parse error: %s", err)
		}
	}
	currNodes := []*html.Node{root}
	var selected []*html.Node
	for _, selector := range selectors {
		selected = []*html.Node{}
		for _, node := range currNodes {
			selected = append(selected,
				selector.FindAllChildren(node)...)
		}
		currNodes = selected
	}
	if displayer != nil {
		displayer.Display(currNodes)
	} else if printNumber {
		fmt.Println(len(currNodes))
	} else {
		for _, s := range currNodes {
			// defined in `printing.go`
			PrintNode(s, 0)
		}
	}
}
Exemple #2
0
// pup
func main() {
	cmds := ProcessFlags(os.Args[1:])
	cr, err := charset.NewReader(inputStream, "")
	if err != nil {
		fmt.Fprintf(os.Stderr, err.Error())
		os.Exit(2)
	}
	root, err := html.Parse(cr)
	if err != nil {
		fmt.Fprintf(os.Stderr, err.Error())
		os.Exit(2)
	}
	inputStream.Close()
	if len(cmds) == 0 {
		PrintNode(root, 0)
		os.Exit(0)
	}
	selectors := make([]selector.Selector, len(cmds))
	for i, cmd := range cmds {
		// if this is the last element, check for a function like
		// text{} or attr{}
		if i+1 == len(cmds) {
			d, err := funcs.NewDisplayFunc(cmd)
			if err == nil {
				displayer = d
				selectors = selectors[0 : len(cmds)-1]
				break
			}
		}
		selectors[i], err = selector.NewSelector(cmd)
		if err != nil {
			Fatal("Selector parse error: %s", err)
		}
	}
	currNodes := []*html.Node{root}
	for _, selector := range selectors {
		currNodes = selector.Select(currNodes)
	}
	if displayer != nil {
		displayer.Display(currNodes)
	} else if printNumber {
		fmt.Println(len(currNodes))
	} else {
		for _, s := range currNodes {
			// defined in `printing.go`
			PrintNode(s, 0)
		}
	}
}