Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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58 lines
2.0 KiB
58 lines
2.0 KiB
#ifndef GOOGLE_PROTOBUF_CONFORMANCE_FAILURE_LIST_TRIE_NODE_H__ |
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#define GOOGLE_PROTOBUF_CONFORMANCE_FAILURE_LIST_TRIE_NODE_H__ |
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#include <memory> |
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#include <string> |
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#include <vector> |
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#include "absl/status/status.h" |
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#include "absl/strings/string_view.h" |
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#include "absl/types/optional.h" |
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namespace google { |
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namespace protobuf { |
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// Each node represents a section of a test name (divided by '.'). One can |
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// imagine them as prefixes to search for a match. Once we hit a prefix that |
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// doesn't match, we can stop searching. Wildcards matching to any set of |
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// characters are supported. |
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// |
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// This is not a general trie implementation |
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// as pointed out by its name. It is only meant to only be used for conformance |
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// failure lists. |
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// |
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// Example of what the trie might look like in practice: |
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// |
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// (root) |
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// / | |
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// "Recommended" "Required" |
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// / | |
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// "Proto2" "*" |
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// / | | |
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// "JsonInput" "ProtobufInput" "JsonInput" |
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// |
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// |
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class FailureListTrieNode { |
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public: |
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FailureListTrieNode() : data_("") {} |
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explicit FailureListTrieNode(absl::string_view data) : data_(data) {} |
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// Will attempt to insert a test name into the trie returning |
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// absl::StatusCode::kAlreadyExists if the test name already exists or |
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// absl::StatusCode::kInvalidArgument if the test name contains invalid |
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// wildcards; otherwise, insertion is successful. |
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absl::Status Insert(absl::string_view test_name); |
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// Returns what it matched to if it matched anything, otherwise returns |
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// absl::nullopt |
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absl::optional<std::string> WalkDownMatch(absl::string_view test_name); |
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private: |
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absl::string_view data_; |
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std::vector<std::unique_ptr<FailureListTrieNode>> children_; |
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void InsertImpl(absl::string_view test_name); |
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}; |
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} // namespace protobuf |
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} // namespace google |
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#endif // GOOGLE_PROTOBUF_CONFORMANCE_FAILURE_LIST_TRIE_NODE_H__
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