1 files changed, 71 insertions, 0 deletions
diff --git a/vendor/github.com/bufbuild/protocompile/internal/options.go b/vendor/github.com/bufbuild/protocompile/internal/options.go
new file mode 100644
index 0000000..4eaa0f6
--- /dev/null
+++ b/vendor/github.com/bufbuild/protocompile/internal/options.go
@@ -0,0 +1,71 @@
+// Copyright 2020-2024 Buf Technologies, Inc.
+//
+// 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 internal
+
+import (
+	"google.golang.org/protobuf/types/descriptorpb"
+
+	"github.com/bufbuild/protocompile/ast"
+)
+
+type hasOptionNode interface {
+	OptionNode(part *descriptorpb.UninterpretedOption) ast.OptionDeclNode
+	FileNode() ast.FileDeclNode // needed in order to query for NodeInfo
+}
+
+type errorHandler func(span ast.SourceSpan, format string, args ...interface{}) error
+
+func FindFirstOption(res hasOptionNode, handler errorHandler, scope string, opts []*descriptorpb.UninterpretedOption, name string) (int, error) {
+	return findOption(res, handler, scope, opts, name, false, true)
+}
+
+func FindOption(res hasOptionNode, handler errorHandler, scope string, opts []*descriptorpb.UninterpretedOption, name string) (int, error) {
+	return findOption(res, handler, scope, opts, name, true, false)
+}
+
+func findOption(res hasOptionNode, handler errorHandler, scope string, opts []*descriptorpb.UninterpretedOption, name string, exact, first bool) (int, error) {
+	found := -1
+	for i, opt := range opts {
+		if exact && len(opt.Name) != 1 {
+			continue
+		}
+		if opt.Name[0].GetIsExtension() || opt.Name[0].GetNamePart() != name {
+			continue
+		}
+		if first {
+			return i, nil
+		}
+		if found >= 0 {
+			optNode := res.OptionNode(opt)
+			fn := res.FileNode()
+			node := optNode.GetName()
+			nodeInfo := fn.NodeInfo(node)
+			return -1, handler(nodeInfo, "%s: option %s cannot be defined more than once", scope, name)
+		}
+		found = i
+	}
+	return found, nil
+}
+
+func RemoveOption(uo []*descriptorpb.UninterpretedOption, indexToRemove int) []*descriptorpb.UninterpretedOption {
+	switch {
+	case indexToRemove == 0:
+		return uo[1:]
+	case indexToRemove == len(uo)-1:
+		return uo[:len(uo)-1]
+	default:
+		return append(uo[:indexToRemove], uo[indexToRemove+1:]...)
+	}
+}