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|
package config
import (
"regexp"
"strings"
"git.sr.ht/~rjarry/aerc/log"
"github.com/go-ini/ini"
)
type FilterType int
const (
FILTER_MIMETYPE FilterType = iota
FILTER_HEADER
FILTER_HEADERS
)
type FilterConfig struct {
Type FilterType
Filter string
Command string
Header string
Regex *regexp.Regexp
}
var Filters []*FilterConfig
func parseFilters(file *ini.File) error {
filters, err := file.GetSection("filters")
if err != nil {
goto end
}
for _, key := range filters.Keys() {
filter := FilterConfig{
Command: key.Value(),
Filter: key.Name(),
}
switch {
case strings.Contains(filter.Filter, ",~"):
filter.Type = FILTER_HEADER
//nolint:gocritic // guarded by strings.Contains
header := filter.Filter[:strings.Index(filter.Filter, ",")]
regex := filter.Filter[strings.Index(filter.Filter, "~")+1:]
filter.Header = strings.ToLower(header)
filter.Regex, err = regexp.Compile(regex)
if err != nil {
return err
}
case strings.ContainsRune(filter.Filter, ','):
filter.Type = FILTER_HEADER
//nolint:gocritic // guarded by strings.Contains
header := filter.Filter[:strings.Index(filter.Filter, ",")]
value := filter.Filter[strings.Index(filter.Filter, ",")+1:]
filter.Header = strings.ToLower(header)
filter.Regex, err = regexp.Compile(regexp.QuoteMeta(value))
if err != nil {
return err
}
case filter.Filter == ".headers":
filter.Type = FILTER_HEADERS
default:
filter.Type = FILTER_MIMETYPE
}
Filters = append(Filters, &filter)
}
end:
log.Debugf("aerc.conf: [filters] %#v", Filters)
return nil
}
|
