package main import ( "encoding/xml" "flag" "fmt" "io/ioutil" "log" "os" "rescribe.xyz/go.git/lib/hocr" ) // BUGS: // - loses all elements not captured in hocr structure such as html headings // might be best to copy the header and footer separately and put the hocr in between, but would still need to ensure all elements are captured // - loses any formatting; doesn't need to be identical, but e.g. linebreaks after elements would be handy // - need to handle OcrChar func main() { flag.Usage = func() { fmt.Fprintf(os.Stderr, "Usage: dehyphenate hocrin hocrout\n") fmt.Fprintf(os.Stderr, "Dehyphenates a hocr file.\n") flag.PrintDefaults() } flag.Parse() if flag.NArg() != 2 { flag.Usage() os.Exit(1) } in, err := ioutil.ReadFile(flag.Arg(0)) if err != nil { log.Fatalf("Error reading %s: %v", flag.Arg(1), err) } h, err := hocr.Parse(in) if err != nil { log.Fatal(err) } for i, l := range h.Lines { w := l.Words[len(l.Words)-1] if len(w.Chars) == 0 { if len(w.Text) > 0 && w.Text[len(w.Text) - 1] == '-' { h.Lines[i].Words[len(l.Words)-1].Text = w.Text[0:len(w.Text)-1] + h.Lines[i+1].Words[0].Text h.Lines[i+1].Words[0].Text = "" } } else { log.Printf("TODO: handle OcrChar") } } f, err := os.Create(flag.Arg(1)) if err != nil { log.Fatalf("Error creating file %s: %v", flag.Arg(1), err) } defer f.Close() e := xml.NewEncoder(f) err = e.Encode(h) if err != nil { log.Fatalf("Error encoding XML: %v", err) } }