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steve/pkg/resources/common/util.go

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package common
import (
"strconv"
"strings"
"github.com/rancher/apiserver/pkg/types"
"github.com/rancher/steve/pkg/attributes"
)
// GetIndexValueFromString looks for values between [ ].
// e.g: $.metadata.fields[2], in this case it would return 2
// In case it doesn't find any value between brackets it returns -1
func GetIndexValueFromString(pathString string) int {
idxStart := strings.Index(pathString, "[")
if idxStart == -1 {
return -1
}
idxEnd := strings.Index(pathString[idxStart+1:], "]")
if idxEnd == -1 {
return -1
}
idx, err := strconv.Atoi(pathString[idxStart+1 : idxStart+1+idxEnd])
if err != nil {
return -1
}
return idx
}
// GetColumnDefinitions returns ColumnDefinitions from an APISchema
func GetColumnDefinitions(schema *types.APISchema) []ColumnDefinition {
columns := attributes.Columns(schema)
if columns == nil {
return nil
}
colDefs, ok := columns.([]ColumnDefinition)
if !ok {
return nil
}
return colDefs
}