-
Notifications
You must be signed in to change notification settings - Fork 4
Expand file tree
/
Copy pathpy_cel_expression.h
More file actions
73 lines (57 loc) · 2.34 KB
/
Copy pathpy_cel_expression.h
File metadata and controls
73 lines (57 loc) · 2.34 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// Copyright 2025 Google LLC
//
// 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
//
// https://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.
#ifndef THIRD_PARTY_CEL_PYTHON_PY_CEL_EXPRESSION_H_
#define THIRD_PARTY_CEL_PYTHON_PY_CEL_EXPRESSION_H_
#include <memory>
#include <string>
#include <utility>
#include <variant>
#include "cel/expr/checked.pb.h"
#include "cel/expr/syntax.pb.h"
#include "absl/status/statusor.h"
#include "runtime/runtime.h"
#include "cel_expr_python/py_cel_activation.h"
#include "cel_expr_python/py_cel_type.h"
#include "cel_expr_python/py_cel_value.h"
#include <pybind11/pybind11.h>
namespace cel_python {
class PyCelEnvInternal;
// Wraps a CelExpression. Supports serialization and deserialization.
class PyCelExpression {
public:
static void DefinePythonBindings(pybind11::module& m);
PyCelExpression(PyCelExpression&& other) = default;
PyCelExpression(const cel::expr::ParsedExpr& parsed_expr,
std::shared_ptr<PyCelEnvInternal> env)
: expr_(std::move(parsed_expr)), env_(std::move(env)) {}
PyCelExpression(const cel::expr::CheckedExpr& checked_expr,
std::shared_ptr<PyCelEnvInternal> env)
: expr_(std::move(checked_expr)), env_(std::move(env)) {}
PyCelType GetReturnType();
absl::StatusOr<PyCelValue> Eval(const PyCelActivation& activation);
std::string Serialize() const;
static absl::StatusOr<PyCelExpression> Compile(
const std::shared_ptr<PyCelEnvInternal>& env, const std::string& cel_expr,
bool disable_check);
static absl::StatusOr<PyCelExpression> Deserialize(
const std::shared_ptr<PyCelEnvInternal>& env,
const std::string& serialized_expr);
private:
std::variant<cel::expr::ParsedExpr, cel::expr::CheckedExpr>
expr_;
std::shared_ptr<PyCelEnvInternal> env_;
std::unique_ptr<cel::Program> cel_program_;
};
} // namespace cel_python
#endif // THIRD_PARTY_CEL_PYTHON_PY_CEL_EXPRESSION_H_