func load(filename string) (*Filter, error) {
lines, err := fsutil.LoadLines(filename)
if err != nil {
return nil, err
}
return New(lines)
}
func loadComputedFiles(filename string) ([]computedFileType, error) {
var computedFileList []computedFileType
if strings.HasSuffix(filename, ".json") {
file, err := os.Open(filename)
if err != nil {
return nil, err
}
defer file.Close()
reader := bufio.NewReader(file)
decoder := json.NewDecoder(reader)
if err := decoder.Decode(&computedFileList); err != nil {
return nil, errors.New("error decoding computed files list " +
err.Error())
}
} else {
lines, err := fsutil.LoadLines(filename)
if err != nil {
return nil, err
}
for _, line := range lines {
fields := strings.Fields(line)
if len(fields) != 2 {
return nil, fmt.Errorf("bad line: %s", line)
}
computedFileList = append(computedFileList,
computedFileType{fields[0], fields[1]})
}
}
return computedFileList, nil
}
func loadConfiguration(manager *filegen.Manager, filename string) error {
lines, err := fsutil.LoadLines(filename)
if err != nil {
return fmt.Errorf("error loading configuration file: %s", err)
}
for _, line := range lines {
fields := strings.Fields(line)
if len(fields) < 2 {
return fmt.Errorf("insufficient fields in line: \"%s\"", line)
}
config, ok := configs[fields[0]]
if !ok {
return fmt.Errorf("unknown generator type: %s", fields[0])
}
numParams := len(fields) - 2
if numParams < config.minParams {
return fmt.Errorf("insufficient params in line: \"%s\"", line)
}
if config.maxParams >= 0 && numParams > config.maxParams {
return fmt.Errorf("too many params in line: \"%s\"", line)
}
if err := config.configFunc(manager, fields[1],
fields[2:]); err != nil {
return err
}
}
return nil
}