/proc/self/cwd/runtime/standard/container_membership_functions.cc
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1 | | // Copyright 2023 Google LLC |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | | // you may not use this file except in compliance with the License. |
5 | | // You may obtain a copy of the License at |
6 | | // |
7 | | // https://www.apache.org/licenses/LICENSE-2.0 |
8 | | // |
9 | | // Unless required by applicable law or agreed to in writing, software |
10 | | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | | // See the License for the specific language governing permissions and |
13 | | // limitations under the License. |
14 | | |
15 | | #include "runtime/standard/container_membership_functions.h" |
16 | | |
17 | | #include <array> |
18 | | #include <cstdint> |
19 | | |
20 | | #include "absl/base/nullability.h" |
21 | | #include "absl/status/status.h" |
22 | | #include "absl/status/statusor.h" |
23 | | #include "absl/strings/string_view.h" |
24 | | #include "base/builtins.h" |
25 | | #include "base/function_adapter.h" |
26 | | #include "common/value.h" |
27 | | #include "internal/number.h" |
28 | | #include "internal/status_macros.h" |
29 | | #include "runtime/function_registry.h" |
30 | | #include "runtime/register_function_helper.h" |
31 | | #include "runtime/runtime_options.h" |
32 | | #include "google/protobuf/arena.h" |
33 | | #include "google/protobuf/descriptor.h" |
34 | | #include "google/protobuf/message.h" |
35 | | |
36 | | namespace cel { |
37 | | namespace { |
38 | | |
39 | | using ::cel::internal::Number; |
40 | | |
41 | | static constexpr std::array<absl::string_view, 3> in_operators = { |
42 | | cel::builtin::kIn, // @in for map and list types. |
43 | | cel::builtin::kInFunction, // deprecated in() -- for backwards compat |
44 | | cel::builtin::kInDeprecated, // deprecated _in_ -- for backwards compat |
45 | | }; |
46 | | |
47 | | template <class T> |
48 | | bool ValueEquals(const Value& value, T other); |
49 | | |
50 | | template <> |
51 | 0 | bool ValueEquals(const Value& value, bool other) { |
52 | 0 | if (auto bool_value = value.As<BoolValue>(); bool_value) { |
53 | 0 | return bool_value->NativeValue() == other; |
54 | 0 | } |
55 | 0 | return false; |
56 | 0 | } |
57 | | |
58 | | template <> |
59 | 0 | bool ValueEquals(const Value& value, int64_t other) { |
60 | 0 | if (auto int_value = value.As<IntValue>(); int_value) { |
61 | 0 | return int_value->NativeValue() == other; |
62 | 0 | } |
63 | 0 | return false; |
64 | 0 | } |
65 | | |
66 | | template <> |
67 | 0 | bool ValueEquals(const Value& value, uint64_t other) { |
68 | 0 | if (auto uint_value = value.As<UintValue>(); uint_value) { |
69 | 0 | return uint_value->NativeValue() == other; |
70 | 0 | } |
71 | 0 | return false; |
72 | 0 | } |
73 | | |
74 | | template <> |
75 | 0 | bool ValueEquals(const Value& value, double other) { |
76 | 0 | if (auto double_value = value.As<DoubleValue>(); double_value) { |
77 | 0 | return double_value->NativeValue() == other; |
78 | 0 | } |
79 | 0 | return false; |
80 | 0 | } |
81 | | |
82 | | template <> |
83 | 0 | bool ValueEquals(const Value& value, const StringValue& other) { |
84 | 0 | if (auto string_value = value.As<StringValue>(); string_value) { |
85 | 0 | return string_value->Equals(other); |
86 | 0 | } |
87 | 0 | return false; |
88 | 0 | } |
89 | | |
90 | | template <> |
91 | 0 | bool ValueEquals(const Value& value, const BytesValue& other) { |
92 | 0 | if (auto bytes_value = value.As<BytesValue>(); bytes_value) { |
93 | 0 | return bytes_value->Equals(other); |
94 | 0 | } |
95 | 0 | return false; |
96 | 0 | } |
97 | | |
98 | | // Template function implementing CEL in() function |
99 | | template <typename T> |
100 | | absl::StatusOr<bool> In( |
101 | | T value, const ListValue& list, |
102 | | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
103 | | google::protobuf::MessageFactory* absl_nonnull message_factory, |
104 | 0 | google::protobuf::Arena* absl_nonnull arena) { |
105 | 0 | CEL_ASSIGN_OR_RETURN(auto size, list.Size()); |
106 | 0 | Value element; |
107 | 0 | for (int i = 0; i < size; i++) { |
108 | 0 | CEL_RETURN_IF_ERROR( |
109 | 0 | list.Get(i, descriptor_pool, message_factory, arena, &element)); |
110 | 0 | if (ValueEquals<T>(element, value)) { |
111 | 0 | return true; |
112 | 0 | } |
113 | 0 | } |
114 | | |
115 | 0 | return false; |
116 | 0 | } Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<bool>(bool, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<long>(long, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<unsigned long>(unsigned long, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<double>(double, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<cel::StringValue const&>(cel::StringValue const&, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) Unexecuted instantiation: container_membership_functions.cc:absl::lts_20260526::StatusOr<bool> cel::(anonymous namespace)::In<cel::BytesValue const&>(cel::BytesValue const&, cel::ListValue const&, google::protobuf::DescriptorPool const*, google::protobuf::MessageFactory*, google::protobuf::Arena*) |
117 | | |
118 | | // Implementation for @in operator using heterogeneous equality. |
119 | | absl::StatusOr<Value> HeterogeneousEqualityIn( |
120 | | const Value& value, const ListValue& list, |
121 | | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
122 | | google::protobuf::MessageFactory* absl_nonnull message_factory, |
123 | 0 | google::protobuf::Arena* absl_nonnull arena) { |
124 | 0 | return list.Contains(value, descriptor_pool, message_factory, arena); |
125 | 0 | } |
126 | | |
127 | | absl::Status RegisterListMembershipFunctions(FunctionRegistry& registry, |
128 | 22.7k | const RuntimeOptions& options) { |
129 | 68.1k | for (absl::string_view op : in_operators) { |
130 | 68.1k | if (options.enable_heterogeneous_equality) { |
131 | 68.1k | CEL_RETURN_IF_ERROR( |
132 | 68.1k | (RegisterHelper<BinaryFunctionAdapter< |
133 | 68.1k | absl::StatusOr<Value>, const Value&, const ListValue&>>:: |
134 | 68.1k | RegisterGlobalOverload(op, &HeterogeneousEqualityIn, registry))); |
135 | 68.1k | } else { |
136 | 0 | CEL_RETURN_IF_ERROR( |
137 | 0 | (RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<bool>, bool, |
138 | 0 | const ListValue&>>:: |
139 | 0 | RegisterGlobalOverload(op, In<bool>, registry))); |
140 | 0 | CEL_RETURN_IF_ERROR( |
141 | 0 | (RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<bool>, int64_t, |
142 | 0 | const ListValue&>>:: |
143 | 0 | RegisterGlobalOverload(op, In<int64_t>, registry))); |
144 | 0 | CEL_RETURN_IF_ERROR( |
145 | 0 | (RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<bool>, uint64_t, |
146 | 0 | const ListValue&>>:: |
147 | 0 | RegisterGlobalOverload(op, In<uint64_t>, registry))); |
148 | 0 | CEL_RETURN_IF_ERROR( |
149 | 0 | (RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<bool>, double, |
150 | 0 | const ListValue&>>:: |
151 | 0 | RegisterGlobalOverload(op, In<double>, registry))); |
152 | 0 | CEL_RETURN_IF_ERROR( |
153 | 0 | (RegisterHelper<BinaryFunctionAdapter< |
154 | 0 | absl::StatusOr<bool>, const StringValue&, const ListValue&>>:: |
155 | 0 | RegisterGlobalOverload(op, In<const StringValue&>, registry))); |
156 | 0 | CEL_RETURN_IF_ERROR( |
157 | 0 | (RegisterHelper<BinaryFunctionAdapter< |
158 | 0 | absl::StatusOr<bool>, const BytesValue&, const ListValue&>>:: |
159 | 0 | RegisterGlobalOverload(op, In<const BytesValue&>, registry))); |
160 | 0 | } |
161 | 68.1k | } |
162 | 22.7k | return absl::OkStatus(); |
163 | 22.7k | } |
164 | | |
165 | | absl::Status RegisterMapMembershipFunctions(FunctionRegistry& registry, |
166 | 22.7k | const RuntimeOptions& options) { |
167 | 22.7k | const bool enable_heterogeneous_equality = |
168 | 22.7k | options.enable_heterogeneous_equality; |
169 | | |
170 | 22.7k | auto boolKeyInSet = |
171 | 22.7k | [enable_heterogeneous_equality]( |
172 | 22.7k | bool key, const MapValue& map_value, |
173 | 22.7k | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
174 | 22.7k | google::protobuf::MessageFactory* absl_nonnull message_factory, |
175 | 22.7k | google::protobuf::Arena* absl_nonnull arena) -> absl::StatusOr<Value> { |
176 | 0 | Value has; |
177 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(BoolValue(key), descriptor_pool, |
178 | 0 | message_factory, arena, &has)); |
179 | 0 | if (has.IsTrue()) { |
180 | 0 | return has; |
181 | 0 | } |
182 | 0 | if (enable_heterogeneous_equality) { |
183 | 0 | return BoolValue(false); |
184 | 0 | } |
185 | 0 | return has; |
186 | 0 | }; |
187 | | |
188 | 22.7k | auto intKeyInSet = |
189 | 22.7k | [enable_heterogeneous_equality]( |
190 | 22.7k | int64_t key, const MapValue& map_value, |
191 | 22.7k | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
192 | 22.7k | google::protobuf::MessageFactory* absl_nonnull message_factory, |
193 | 22.7k | google::protobuf::Arena* absl_nonnull arena) -> absl::StatusOr<Value> { |
194 | 0 | Value result; |
195 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(IntValue(key), descriptor_pool, |
196 | 0 | message_factory, arena, &result)); |
197 | 0 | if (enable_heterogeneous_equality) { |
198 | 0 | if (result.IsTrue()) { |
199 | 0 | return result; |
200 | 0 | } |
201 | 0 | Number number = Number::FromInt64(key); |
202 | 0 | if (number.LosslessConvertibleToUint()) { |
203 | 0 | Value result_alt; |
204 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(UintValue(number.AsUint()), |
205 | 0 | descriptor_pool, message_factory, |
206 | 0 | arena, &result_alt)); |
207 | 0 | if (result_alt.IsTrue()) { |
208 | 0 | return result_alt; |
209 | 0 | } |
210 | 0 | } |
211 | 0 | return BoolValue(false); |
212 | 0 | } |
213 | 0 | return result; |
214 | 0 | }; |
215 | | |
216 | 22.7k | auto stringKeyInSet = |
217 | 22.7k | [enable_heterogeneous_equality]( |
218 | 22.7k | const StringValue& key, const MapValue& map_value, |
219 | 22.7k | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
220 | 22.7k | google::protobuf::MessageFactory* absl_nonnull message_factory, |
221 | 22.7k | google::protobuf::Arena* absl_nonnull arena) -> absl::StatusOr<Value> { |
222 | 0 | Value result; |
223 | 0 | CEL_RETURN_IF_ERROR( |
224 | 0 | map_value.Has(key, descriptor_pool, message_factory, arena, &result)); |
225 | 0 | if (result.IsBool()) { |
226 | 0 | return result; |
227 | 0 | } |
228 | 0 | if (enable_heterogeneous_equality) { |
229 | 0 | return BoolValue(false); |
230 | 0 | } |
231 | 0 | return result; |
232 | 0 | }; |
233 | | |
234 | 22.7k | auto uintKeyInSet = |
235 | 22.7k | [enable_heterogeneous_equality]( |
236 | 22.7k | uint64_t key, const MapValue& map_value, |
237 | 22.7k | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
238 | 22.7k | google::protobuf::MessageFactory* absl_nonnull message_factory, |
239 | 22.7k | google::protobuf::Arena* absl_nonnull arena) -> absl::StatusOr<Value> { |
240 | 0 | Value has; |
241 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(UintValue(key), descriptor_pool, |
242 | 0 | message_factory, arena, &has)); |
243 | 0 | if (enable_heterogeneous_equality) { |
244 | 0 | if (has.IsTrue()) { |
245 | 0 | return has; |
246 | 0 | } |
247 | 0 | Value has_alt; |
248 | 0 | Number number = Number::FromUint64(key); |
249 | 0 | if (number.LosslessConvertibleToInt()) { |
250 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(IntValue(number.AsInt()), |
251 | 0 | descriptor_pool, message_factory, |
252 | 0 | arena, &has_alt)); |
253 | 0 | if (has.IsTrue()) { |
254 | 0 | return has; |
255 | 0 | } |
256 | 0 | } |
257 | 0 | return BoolValue(false); |
258 | 0 | } |
259 | 0 | return has; |
260 | 0 | }; |
261 | | |
262 | 22.7k | auto doubleKeyInSet = |
263 | 22.7k | [](double key, const MapValue& map_value, |
264 | 22.7k | const google::protobuf::DescriptorPool* absl_nonnull descriptor_pool, |
265 | 22.7k | google::protobuf::MessageFactory* absl_nonnull message_factory, |
266 | 22.7k | google::protobuf::Arena* absl_nonnull arena) -> absl::StatusOr<Value> { |
267 | 0 | Number number = Number::FromDouble(key); |
268 | 0 | if (number.LosslessConvertibleToInt()) { |
269 | 0 | Value has; |
270 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(IntValue(number.AsInt()), |
271 | 0 | descriptor_pool, message_factory, arena, |
272 | 0 | &has)); |
273 | 0 | if (has.IsTrue()) { |
274 | 0 | return has; |
275 | 0 | } |
276 | 0 | } |
277 | 0 | if (number.LosslessConvertibleToUint()) { |
278 | 0 | Value has; |
279 | 0 | CEL_RETURN_IF_ERROR(map_value.Has(UintValue(number.AsUint()), |
280 | 0 | descriptor_pool, message_factory, arena, |
281 | 0 | &has)); |
282 | 0 | if (has.IsTrue()) { |
283 | 0 | return has; |
284 | 0 | } |
285 | 0 | } |
286 | 0 | return BoolValue(false); |
287 | 0 | }; |
288 | | |
289 | 68.1k | for (auto op : in_operators) { |
290 | 68.1k | auto status = RegisterHelper<BinaryFunctionAdapter< |
291 | 68.1k | absl::StatusOr<Value>, const StringValue&, |
292 | 68.1k | const MapValue&>>::RegisterGlobalOverload(op, stringKeyInSet, registry); |
293 | 68.1k | if (!status.ok()) return status; |
294 | | |
295 | 68.1k | status = RegisterHelper< |
296 | 68.1k | BinaryFunctionAdapter<absl::StatusOr<Value>, bool, const MapValue&>>:: |
297 | 68.1k | RegisterGlobalOverload(op, boolKeyInSet, registry); |
298 | 68.1k | if (!status.ok()) return status; |
299 | | |
300 | 68.1k | status = RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<Value>, |
301 | 68.1k | int64_t, const MapValue&>>:: |
302 | 68.1k | RegisterGlobalOverload(op, intKeyInSet, registry); |
303 | 68.1k | if (!status.ok()) return status; |
304 | | |
305 | 68.1k | status = RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<Value>, |
306 | 68.1k | uint64_t, const MapValue&>>:: |
307 | 68.1k | RegisterGlobalOverload(op, uintKeyInSet, registry); |
308 | 68.1k | if (!status.ok()) return status; |
309 | | |
310 | 68.1k | if (enable_heterogeneous_equality) { |
311 | 68.1k | status = RegisterHelper<BinaryFunctionAdapter<absl::StatusOr<Value>, |
312 | 68.1k | double, const MapValue&>>:: |
313 | 68.1k | RegisterGlobalOverload(op, doubleKeyInSet, registry); |
314 | 68.1k | if (!status.ok()) return status; |
315 | 68.1k | } |
316 | 68.1k | } |
317 | 22.7k | return absl::OkStatus(); |
318 | 22.7k | } |
319 | | |
320 | | } // namespace |
321 | | |
322 | | absl::Status RegisterContainerMembershipFunctions( |
323 | 22.7k | FunctionRegistry& registry, const RuntimeOptions& options) { |
324 | 22.7k | if (options.enable_list_contains) { |
325 | 22.7k | CEL_RETURN_IF_ERROR(RegisterListMembershipFunctions(registry, options)); |
326 | 22.7k | } |
327 | 22.7k | return RegisterMapMembershipFunctions(registry, options); |
328 | 22.7k | } |
329 | | |
330 | | } // namespace cel |