scribe/concat.go

40 строки
1.3 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
//
// Contributor:
// - Aaron Meihm ameihm@mozilla.com
package scribe
// This function does criteria concatenation based on identifier. Where
// criteria is found with a matching identifier, the results are
// concatenated together. Since the slice is ordered based on expression
// groups there should not be any ordering issues.
func criteriaConcat(in []evaluationCriteria, concat string) []evaluationCriteria {
ret := make([]evaluationCriteria, 0)
if len(in) == 0 {
return ret
}
debugPrint("criteriaConcat(): applying concat with \"%v\" on identifier\n", concat)
retmap := make(map[string]evaluationCriteria, 0)
for _, x := range in {
nr := evaluationCriteria{identifier: x.identifier}
retmap[x.identifier] = nr
}
for _, x := range in {
retent := retmap[x.identifier]
if len(retmap[x.identifier].testValue) == 0 {
retent.testValue = x.testValue
} else {
retent.testValue = retent.testValue + concat + x.testValue
}
retmap[x.identifier] = retent
}
for _, x := range retmap {
debugPrint("criteriaConcat(): result \"%v\", \"%v\"\n", x.identifier, x.testValue)
ret = append(ret, x)
}
return ret
}