mirror of https://github.com/grpc/grpc-go.git
102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
/*
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*
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* Copyright 2020 gRPC 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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*
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*/
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package resolver
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import (
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"regexp"
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"strings"
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)
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type pathMatcherInterface interface {
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match(path string) bool
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String() string
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}
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type pathExactMatcher struct {
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// fullPath is all upper case if caseInsensitive is true.
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fullPath string
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caseInsensitive bool
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}
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func newPathExactMatcher(p string, caseInsensitive bool) *pathExactMatcher {
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ret := &pathExactMatcher{
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fullPath: p,
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caseInsensitive: caseInsensitive,
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}
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if caseInsensitive {
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ret.fullPath = strings.ToUpper(p)
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}
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return ret
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}
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func (pem *pathExactMatcher) match(path string) bool {
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if pem.caseInsensitive {
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return pem.fullPath == strings.ToUpper(path)
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}
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return pem.fullPath == path
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}
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func (pem *pathExactMatcher) String() string {
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return "pathExact:" + pem.fullPath
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}
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type pathPrefixMatcher struct {
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// prefix is all upper case if caseInsensitive is true.
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prefix string
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caseInsensitive bool
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}
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func newPathPrefixMatcher(p string, caseInsensitive bool) *pathPrefixMatcher {
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ret := &pathPrefixMatcher{
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prefix: p,
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caseInsensitive: caseInsensitive,
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}
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if caseInsensitive {
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ret.prefix = strings.ToUpper(p)
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}
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return ret
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}
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func (ppm *pathPrefixMatcher) match(path string) bool {
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if ppm.caseInsensitive {
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return strings.HasPrefix(strings.ToUpper(path), ppm.prefix)
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}
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return strings.HasPrefix(path, ppm.prefix)
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}
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func (ppm *pathPrefixMatcher) String() string {
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return "pathPrefix:" + ppm.prefix
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}
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type pathRegexMatcher struct {
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re *regexp.Regexp
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}
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func newPathRegexMatcher(re *regexp.Regexp) *pathRegexMatcher {
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return &pathRegexMatcher{re: re}
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}
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func (prm *pathRegexMatcher) match(path string) bool {
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return prm.re.MatchString(path)
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}
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func (prm *pathRegexMatcher) String() string {
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return "pathRegex:" + prm.re.String()
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}
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