mirror of
https://github.com/onyx-and-iris/aoc2024.git
synced 2025-10-31 04:51:46 +00:00
40 lines
634 B
Go
40 lines
634 B
Go
package two
|
|
|
|
import (
|
|
"bufio"
|
|
"io"
|
|
"regexp"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
)
|
|
|
|
var reStartPos = regexp.MustCompile(`0`)
|
|
|
|
func parseLines(r io.Reader) (*graph, error) {
|
|
graph := newGrid()
|
|
|
|
var linecount int
|
|
scanner := bufio.NewScanner(r)
|
|
for scanner.Scan() {
|
|
line := scanner.Text()
|
|
|
|
graph.data = append(graph.data, line)
|
|
for _, m := range reStartPos.FindAllStringIndex(line, -1) {
|
|
graph.startPositions = append(
|
|
graph.startPositions,
|
|
point{x: m[0], y: linecount},
|
|
)
|
|
}
|
|
|
|
linecount++
|
|
}
|
|
|
|
log.Debug(graph.startPositions)
|
|
|
|
if err := scanner.Err(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return graph, nil
|
|
}
|