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59 lines
994 B
Go

package main
import (
"bufio"
"io"
"regexp"
"strconv"
"strings"
)
func speckStream(r io.ReadCloser, c chan System) {
defer close(c)
defer r.Close()
keep := regexp.MustCompile(`^\s*[\d-]`)
br := bufio.NewReader(r)
for {
line, err := br.ReadBytes('\n')
switch err {
case io.EOF:
return
case nil:
break
default:
log_error("unable to stream speck file: %v", err)
return
}
if !keep.Match(line) {
continue
}
planet := parseSpeckLine(line)
c <- *planet
}
}
func parseSpeckLine(line []byte) *System {
parts := strings.Split(string(line), " ")
var err error
var g errorGroup
s := new(System)
s.x, err = strconv.ParseFloat(parts[0], 64)
g.AddError(err)
s.y, err = strconv.ParseFloat(parts[1], 64)
g.AddError(err)
s.z, err = strconv.ParseFloat(parts[2], 64)
g.AddError(err)
s.planets, err = strconv.Atoi(parts[3])
g.AddError(err)
s.name = strings.TrimSpace(strings.Join(parts[7:], " "))
if g != nil {
log_error("%v", g)
}
return s
}