func run(ctx context.Context, args []string) error {
msg := context.GetStringValue(ctx, "flags.message")
if readFromIn, ok := ctx.Value("flags.in").(bool); ok {
if readFromIn && msg != "" {
return errors.New("cannot specify a message flag and reading from input")
} else if readFromIn {
msg = readMessageFromStdin()
}
}
if msg == "" {
return fmt.Errorf("you must specify a message to encode")
}
var urls []string
var err error
urlListFile := context.GetStringValue(ctx, "flags.urls")
if urlListFile != "" {
urls, err = readUrlList(urlListFile)
if err != nil {
return err
}
}
var references []*cipher.PageReference
i := uint16(0)
for _, url := range urls {
refs, err := cipher.GetReferences(url, i)
if err != nil {
return fmt.Errorf("error getting references: %v\n", err)
}
references = append(references, refs...)
i++
}
var used []*cipher.EncodedReference
buf := []byte(msg)
for _, b := range buf {
encoded := cipher.NextReference(b, used, references)
if encoded == nil {
fmt.Printf("Couldn't find anything for %x\n", b)
} else {
fmt.Printf("%s/", encoded.Base77())
used = append(used, encoded)
}
}
fmt.Print("\n\n")
return nil
}
func run(ctx context.Context, args []string) error {
encodedMsg := context.GetStringValue(ctx, "flags.message")
if readFromIn, ok := ctx.Value("flags.in").(bool); ok {
if encodedMsg != "" && readFromIn {
return errors.New("cannot specify a message flag and reading from input")
} else if readFromIn {
encodedMsg = readMessageFromStdin()
}
}
if encodedMsg == "" {
return fmt.Errorf("you must specify a message to decode")
}
var urls []string
var err error
urlListFile := context.GetStringValue(ctx, "flags.urls")
if urlListFile != "" {
urls, err = readUrlList(urlListFile)
if err != nil {
return err
}
}
var references []*cipher.PageReference
i := uint16(0)
for _, url := range urls {
refs, err := cipher.GetReferences(url, i)
if err != nil {
return fmt.Errorf("error getting references: %v\n", err)
}
references = append(references, refs...)
i++
}
for _, glyph := range strings.Split(encodedMsg, "/") {
e := cipher.FromBase77(glyph)
r := cipher.Lookup(e.Reference.Index, e.Reference.Level, e.Reference.Url, references)
if r == nil || uint16(len(r.Text)) < e.CharIndex {
fmt.Print("#")
} else {
fmt.Print(r.Text[e.CharIndex])
}
}
fmt.Print("\n\n")
return nil
}