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Move regexp.MustCompile to global variable

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Kubernetes-commit: 34747474659b26456c3615d9f79d014deacf505a
This commit is contained in:
Sergey Lanzman
2017-09-04 22:56:06 +03:00
committed by Kubernetes Publisher
parent be88969207
commit 302b3649ef
1 changed files with 7 additions and 5 deletions
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12
util/jsonpath/parser.go
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@@ -43,7 +43,11 @@ type Parser struct {
width int width int
} }
var ErrSyntax = errors.New("invalid syntax") var (
ErrSyntax = errors.New("invalid syntax")
dictKeyRex = regexp.MustCompile(`^'([^']*)'$`)
sliceOperatorRex = regexp.MustCompile(`^(-?[\d]*)(:-?[\d]*)?(:[\d]*)?$`)
)
// Parse parsed the given text and return a node Parser. // Parse parsed the given text and return a node Parser.
// If an error is encountered, parsing stops and an empty // If an error is encountered, parsing stops and an empty
@@ -283,8 +287,7 @@ Loop:
} }
// dict key // dict key
reg := regexp.MustCompile(`^'([^']*)'$`) value := dictKeyRex.FindStringSubmatch(text)
value := reg.FindStringSubmatch(text)
if value != nil { if value != nil {
parser, err := parseAction("arraydict", fmt.Sprintf(".%s", value[1])) parser, err := parseAction("arraydict", fmt.Sprintf(".%s", value[1]))
if err != nil { if err != nil {
@@ -297,8 +300,7 @@ Loop:
} }
//slice operator //slice operator
reg = regexp.MustCompile(`^(-?[\d]*)(:-?[\d]*)?(:[\d]*)?$`) value = sliceOperatorRex.FindStringSubmatch(text)
value = reg.FindStringSubmatch(text)
if value == nil { if value == nil {
return fmt.Errorf("invalid array index %s", text) return fmt.Errorf("invalid array index %s", text)
} }