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regex.go
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/
regex.go
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package metadata
import (
"regexp"
"strings"
"github.com/ghetzel/go-stockutil/stringutil"
)
var RegexpPatterns []*regexp.Regexp
type RegexLoader struct {
Loader
}
func (self *RegexLoader) CanHandle(name string) Loader {
for _, pattern := range RegexpPatterns {
if pattern.MatchString(name) {
return self
}
}
return nil
}
func (self *RegexLoader) LoadMetadata(name string) (map[string]interface{}, error) {
metadata := map[string]interface{}{}
for _, pattern := range RegexpPatterns {
if match := pattern.FindStringSubmatch(name); len(match) > 0 {
for i, fieldName := range pattern.SubexpNames() {
if i > 0 && match[i] != `` {
metadata[strings.Replace(fieldName, `__`, `.`, -1)] = stringutil.Autotype(match[i])
}
}
}
}
return metadata, nil
}