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59 lines
1022 B
Go
59 lines
1022 B
Go
package main
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import (
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"bufio"
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"io"
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"regexp"
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"strconv"
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"strings"
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)
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func speckStream(r io.ReadCloser, c chan System) {
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defer close(c)
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defer r.Close()
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keep := regexp.MustCompile(`^\s*[\d-]`)
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br := bufio.NewReader(r)
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for {
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line, err := br.ReadBytes('\n')
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switch err {
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case io.EOF:
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return
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case nil:
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break
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default:
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log_error("unable to stream speck file: %v", err)
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return
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}
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if !keep.Match(line) {
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continue
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}
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planet := parseSpeckLine(line)
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c <- *planet
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}
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}
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func parseSpeckLine(line []byte) *System {
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parts := strings.Split(string(line), " ")
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var err error
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var g errorGroup
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s := new(System)
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s.x, err = strconv.ParseFloat(parts[0], 64)
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g.AddError(err)
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s.y, err = strconv.ParseFloat(parts[1], 64)
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g.AddError(err)
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s.z, err = strconv.ParseFloat(parts[2], 64)
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g.AddError(err)
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s.planets, err = strconv.Atoi(parts[3])
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g.AddError(err)
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s.name = strings.TrimSpace(strings.Join(parts[7:], " "))
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if g != nil {
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log_error("unable to parse speck line: %v", g)
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}
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return s
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}
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