istio

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// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package match
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import (
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	"path/filepath"
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	"strings"
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	"istio.io/istio/pkg/log"
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)
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func MatchesMap(selection, cluster map[string]string) bool {
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	if len(selection) == 0 {
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		return true
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	}
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	if len(cluster) == 0 {
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		return false
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	}
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	for ks, vs := range selection {
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		vc, ok := cluster[ks]
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		if !ok {
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			return false
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		}
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		if !MatchesGlob(vc, vs) {
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			return false
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		}
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	}
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	return true
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}
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func MatchesGlobs(matchString string, patterns []string) bool {
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	if len(patterns) == 0 {
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		return true
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	}
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	if len(patterns) == 1 {
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		p := strings.TrimSpace(patterns[0])
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		if p == "" || p == "*" {
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			return true
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		}
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	}
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	for _, p := range patterns {
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		if MatchesGlob(matchString, p) {
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			return true
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		}
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	}
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	return false
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}
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func MatchesGlob(matchString, pattern string) bool {
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	match, err := filepath.Match(pattern, matchString)
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	if err != nil {
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		// Shouldn't be here as prior validation is assumed.
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		log.Errorf("Unexpected filepath error for %s match %s: %s", pattern, matchString, err)
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		return false
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	}
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	return match
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}
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