func (s *Set) UnmarshalText(text []byte) error {
lines := bufio.NewScanner(bytes.NewReader(text))
for lines.Scan() {
words := bufio.NewScanner(bytes.NewReader(lines.Bytes()))
words.Split(bufio.ScanWords)
count := 0
dep := dependency.Dependency{}
for words.Scan() {
if strings.HasPrefix(words.Text(), "#") {
break
}
if count == 0 {
dep.Path = words.Text()
} else if count == 1 {
if words.Text() == "*" {
dep.BleedingEdge = true
} else {
dep.Version = words.Text()
}
} else if count == 2 {
dep.Tags = strings.Split(words.Text(), ",")
}
count++
}
if count == 0 {
// blank line
continue
}
if count == 1 {
return MissingVersionError{dep.Path}
}
// check for dupes
for _, existing := range s.Dependencies {
if strings.HasPrefix(dep.Path+"/", existing.Path+"/") {
return DuplicateDependencyError{existing, dep}
}
if strings.HasPrefix(existing.Path+"/", dep.Path+"/") {
return DuplicateDependencyError{existing, dep}
}
}
s.Dependencies = append(s.Dependencies, dep)
}
return nil
}
