Mortdecai
97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
package config
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import (
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"regexp"
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"strings"
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"git.sr.ht/~rjarry/aerc/lib/log"
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"github.com/go-ini/ini"
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)
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type FilterType int
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const (
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FILTER_MIMETYPE FilterType = iota
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FILTER_HEADER
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FILTER_HEADERS
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FILTER_FILENAME
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)
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type FilterConfig struct {
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Type FilterType
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Filter string
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Command string
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NeedsPager bool
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Header string
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Regex *regexp.Regexp
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}
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var Filters []*FilterConfig
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func parseFilters(file *ini.File) error {
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filters, err := file.GetSection("filters")
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if err != nil {
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goto end
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}
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for _, key := range filters.Keys() {
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pager := true
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cmd := key.Value()
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if strings.HasPrefix(cmd, "!") {
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cmd = strings.TrimLeft(cmd, "! \t")
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pager = false
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}
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filter := FilterConfig{
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Command: cmd,
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NeedsPager: pager,
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Filter: key.Name(),
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}
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switch {
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case strings.HasPrefix(filter.Filter, ".filename,~"):
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filter.Type = FILTER_FILENAME
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regex := filter.Filter[strings.Index(filter.Filter, "~")+1:]
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filter.Regex, err = regexp.Compile(regex)
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if err != nil {
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return err
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}
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case strings.HasPrefix(filter.Filter, ".filename,"):
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filter.Type = FILTER_FILENAME
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value := filter.Filter[strings.Index(filter.Filter, ",")+1:]
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filter.Regex, err = regexp.Compile(regexp.QuoteMeta(value))
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if err != nil {
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return err
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}
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case strings.Contains(filter.Filter, ",~"):
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filter.Type = FILTER_HEADER
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//nolint:gocritic // guarded by strings.Contains
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header := filter.Filter[:strings.Index(filter.Filter, ",")]
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regex := filter.Filter[strings.Index(filter.Filter, "~")+1:]
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filter.Header = strings.ToLower(header)
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filter.Regex, err = regexp.Compile(regex)
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if err != nil {
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return err
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}
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case strings.ContainsRune(filter.Filter, ','):
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filter.Type = FILTER_HEADER
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//nolint:gocritic // guarded by strings.Contains
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header := filter.Filter[:strings.Index(filter.Filter, ",")]
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value := filter.Filter[strings.Index(filter.Filter, ",")+1:]
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filter.Header = strings.ToLower(header)
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filter.Regex, err = regexp.Compile(regexp.QuoteMeta(value))
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if err != nil {
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return err
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}
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case filter.Filter == ".headers":
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filter.Type = FILTER_HEADERS
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default:
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filter.Type = FILTER_MIMETYPE
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}
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Filters = append(Filters, &filter)
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}
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end:
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log.Debugf("aerc.conf: [filters] %#v", Filters)
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return nil
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}
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