Method applyModifiers

query/modifier.go:23–55

applyModifiers iterates through each SELECT attribute for this query and applies the associated modifier to the attribute's output value.

(path string, info os.FileInfo)

// applyModifiers iterates through each SELECT attribute for this query
// and applies the associated modifier to the attribute's output value.
func (q *Query) applyModifiers(path string, info os.FileInfo) (map[string]interface{}, error) {
	results := make(map[string]interface{}, len(q.Attributes))

	for _, attribute := range q.Attributes {
		value, err := transform.DefaultFormatValue(attribute, path, info)
		if err != nil {
			return map[string]interface{}{}, err
		}

		if _, ok := q.Modifiers[attribute]; !ok {
			results[attribute] = value
			continue
		}

		for _, m := range q.Modifiers[attribute] {
			value, err = transform.Format(&transform.FormatParams{
				Attribute: attribute,
				Path:      path,
				Info:      info,
				Value:     value,
				Name:      m.Name,
				Args:      m.Arguments,
			})
			if err != nil {
				return map[string]interface{}{}, err
			}
		}

		results[attribute] = value
	}

	return results, nil
}