snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

internal/xds/xdsclient/xdsresource/matcher_path.go

@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright 2020 gRPC authors.
+ *
+ * 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 xdsresource
+
+import (
+	"regexp"
+	"strings"
+)
+
+type pathMatcher interface {
+	match(path string) bool
+	String() string
+}
+
+type pathExactMatcher struct {
+	// fullPath is all upper case if caseInsensitive is true.
+	fullPath        string
+	caseInsensitive bool
+}
+
+func newPathExactMatcher(p string, caseInsensitive bool) *pathExactMatcher {
+	ret := &pathExactMatcher{
+		fullPath:        p,
+		caseInsensitive: caseInsensitive,
+	}
+	if caseInsensitive {
+		ret.fullPath = strings.ToUpper(p)
+	}
+	return ret
+}
+
+func (pem *pathExactMatcher) match(path string) bool {
+	if pem.caseInsensitive {
+		return pem.fullPath == strings.ToUpper(path)
+	}
+	return pem.fullPath == path
+}
+
+func (pem *pathExactMatcher) String() string {
+	return "pathExact:" + pem.fullPath
+}
+
+type pathPrefixMatcher struct {
+	// prefix is all upper case if caseInsensitive is true.
+	prefix          string
+	caseInsensitive bool
+}
+
+func newPathPrefixMatcher(p string, caseInsensitive bool) *pathPrefixMatcher {
+	ret := &pathPrefixMatcher{
+		prefix:          p,
+		caseInsensitive: caseInsensitive,
+	}
+	if caseInsensitive {
+		ret.prefix = strings.ToUpper(p)
+	}
+	return ret
+}
+
+func (ppm *pathPrefixMatcher) match(path string) bool {
+	if ppm.caseInsensitive {
+		return strings.HasPrefix(strings.ToUpper(path), ppm.prefix)
+	}
+	return strings.HasPrefix(path, ppm.prefix)
+}
+
+func (ppm *pathPrefixMatcher) String() string {
+	return "pathPrefix:" + ppm.prefix
+}
+
+type pathRegexMatcher struct {
+	re *regexp.Regexp
+}
+
+func newPathRegexMatcher(re *regexp.Regexp) *pathRegexMatcher {
+	return &pathRegexMatcher{re: re}
+}
+
+func (prm *pathRegexMatcher) match(path string) bool {
+	return prm.re.MatchString(path)
+}
+
+func (prm *pathRegexMatcher) String() string {
+	return "pathRegex:" + prm.re.String()
+}