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package fzf
// #include <unistd.h>
import "C"
import (
"bufio"
"fmt"
"io"
"os"
"os/exec"
)
const DEFAULT_COMMAND = "find * -path '*/\\.*' -prune -o -type f -print -o -type l -print 2> /dev/null"
type Reader struct {
pusher func(string)
eventBox *EventBox
}
func (r *Reader) ReadSource() {
if int(C.isatty(C.int(os.Stdin.Fd()))) != 0 {
cmd := os.Getenv("FZF_DEFAULT_COMMAND")
if len(cmd) == 0 {
cmd = DEFAULT_COMMAND
}
r.readFromCommand(cmd)
} else {
r.readFromStdin()
}
r.eventBox.Set(EVT_READ_FIN, nil)
}
func (r *Reader) feed(src io.Reader) {
if scanner := bufio.NewScanner(src); scanner != nil {
for scanner.Scan() {
r.pusher(scanner.Text())
r.eventBox.Set(EVT_READ_NEW, nil)
}
}
}
func (r *Reader) readFromStdin() {
r.feed(os.Stdin)
}
func (r *Reader) readFromCommand(cmd string) {
arg := fmt.Sprintf("%q", cmd)
listCommand := exec.Command("sh", "-c", arg[1:len(arg)-1])
out, err := listCommand.StdoutPipe()
if err != nil {
return
}
err = listCommand.Start()
if err != nil {
return
}
defer listCommand.Wait()
r.feed(out)
}
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