Files
197f3068c2 Add filters support to generic forwarding (#2742)
* Add filtering support to Generic Forwarding

* Update CHANGELOG.md

* Update forwarder_test.go

* Update distributor component documentation

* Revert Makefile change

* Update docs/sources/tempo/configuration/_index.md

Co-authored-by: Kim Nylander <[email protected]>

* Update docs/sources/tempo/operations/generic_forwarding.md

Co-authored-by: Kim Nylander <[email protected]>

* Update CHANGELOG.md

---------

Co-authored-by: Kim Nylander <[email protected]>
2023-08-04 16:54:50 +02:00

59 lines
943 B
Go

package match
import (
"fmt"
"strings"
)
type Contains struct {
Needle string
Not bool
}
func NewContains(needle string, not bool) Contains {
return Contains{needle, not}
}
func (self Contains) Match(s string) bool {
return strings.Contains(s, self.Needle) != self.Not
}
func (self Contains) Index(s string) (int, []int) {
var offset int
idx := strings.Index(s, self.Needle)
if !self.Not {
if idx == -1 {
return -1, nil
}
offset = idx + len(self.Needle)
if len(s) <= offset {
return 0, []int{offset}
}
s = s[offset:]
} else if idx != -1 {
s = s[:idx]
}
segments := acquireSegments(len(s) + 1)
for i := range s {
segments = append(segments, offset+i)
}
return 0, append(segments, offset+len(s))
}
func (self Contains) Len() int {
return lenNo
}
func (self Contains) String() string {
var not string
if self.Not {
not = "!"
}
return fmt.Sprintf("<contains:%s[%s]>", not, self.Needle)
}