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var_handler.go
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var_handler.go
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/*
* Copyright 2022 Hewlett Packard Enterprise Development LP
* Other additional copyright holders may be indicated within.
*
* The entirety of this work is licensed under the Apache License,
* Version 2.0 (the "License"); you may not use this file except
* in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package var_handler
import (
"fmt"
"strings"
)
type VarHandler struct {
VarMap map[string]string
}
func NewVarHandler(vars map[string]string) *VarHandler {
v := &VarHandler{}
v.VarMap = vars
return v
}
// ListToVars splits the value of one of its variables, and creates a new
// indexed variable for each of the items in the split.
func (v *VarHandler) ListToVars(listVarName, newVarPrefix string) error {
theList, ok := v.VarMap[listVarName]
if !ok {
return fmt.Errorf("Unable to find the variable named %s", listVarName)
}
for i, val := range strings.Split(theList, " ") {
v.VarMap[fmt.Sprintf("%s%d", newVarPrefix, i+1)] = val
}
return nil
}
func (v *VarHandler) ReplaceAll(s string) string {
for key, value := range v.VarMap {
s = strings.ReplaceAll(s, key, value)
}
return s
}