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regexConfig.go
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/
regexConfig.go
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/*************************************************************************
* Copyright 2022 Gravwell, Inc. All rights reserved.
* Contact: <legal@gravwell.io>
*
* This software may be modified and distributed under the terms of the
* BSD 2-clause license. See the LICENSE file for details.
**************************************************************************/
package main
import (
"fmt"
"regexp"
"strings"
"github.com/gravwell/gravwell/v3/ingest"
)
type regexListener struct {
baseConfig
Regex string
Trim_Whitespace bool
Max_Buffer int // maximum number of bytes to buffer without finding a regular expression
}
func (rl regexListener) Validate() error {
if err := rl.baseConfig.Validate(); err != nil {
return err
}
//process the default tag
if _, err := rl.defaultTag(); err != nil {
return err
}
// Make sure the regex compiles
if _, err := regexp.Compile(rl.Regex); err != nil {
return err
}
return nil
}
func (rl regexListener) defaultTag() (tag string, err error) {
tag = strings.TrimSpace(rl.Tag_Name)
if len(tag) == 0 {
err = ErrMissingDefaultTag
} else if err = ingest.CheckTag(tag); err != nil {
err = fmt.Errorf("Invalid Tag-Name %v", err)
}
return
}