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* 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.

#ifndef THIRD_PARTY_CEL_PYTHON_PY_CEL_ENV_H_

#define THIRD_PARTY_CEL_PYTHON_PY_CEL_ENV_H_

#include <Python.h> // IWYU pragma: keep - Needed for PyObject

#include <memory>

#include <string>

#include <unordered_map>

#include <vector>

#include "common/container.h"

#include "cel_expr_python/py_cel_activation.h"

#include "cel_expr_python/py_cel_arena.h"

#include "cel_expr_python/py_cel_env_config.h"

#include "cel_expr_python/py_cel_expression.h"

#include "cel_expr_python/py_cel_function.h"

#include "cel_expr_python/py_cel_function_decl.h"

#include "cel_expr_python/py_cel_options.h"

#include "cel_expr_python/py_cel_type.h"

#include <pybind11/pybind11.h>

namespace cel {

class ParserBuilder;

class TypeCheckerBuilder;

class RuntimeBuilder;

class RuntimeOptions;

} // namespace cel

// All classes and functions in this namespace are pybind11-wrapped.

namespace cel_python {

class PyCelEnvInternal;

class PyCelFunction;

class PyMessageFactory;

// CEL environment. Provides access to the CEL compiler.

class PyCelEnv {

public:

static void DefinePythonBindings(pybind11::module& m);

~PyCelEnv();

// May throw exceptions.

PyCelExpression Compile(const std::string& cel_expr,

bool disable_check = false);

// May throw exceptions.

PyCelExpression Deserialize(const std::string& serialized_expr);

std::shared_ptr<PyCelActivation> NewActivation(

const std::unordered_map<std::string, PyObject*>& data,

const std::vector<std::shared_ptr<PyCelFunction>>& functions,

const std::shared_ptr<PyCelArena>& arena);

std::shared_ptr<PyCelEnvInternal> GetEnv() { return env_; }

private:

// Private constructor. Use `py_cel.NewEnv()` in python to obtain an instance.

PyCelEnv(const PyCelEnvConfig& config, const PyCelOptions& options,

PyObject* descriptor_pool,

const std::unordered_map<std::string, PyCelType>& variable_types,

const std::vector<PyObject*>& extensions,

cel::ExpressionContainer container,

const std::vector<std::shared_ptr<PyCelFunctionDecl>>& functions,

const std::unordered_map<std::string, py::object>& function_impls);

std::shared_ptr<PyCelEnvInternal> env_;

};

} // namespace cel_python

#endif // THIRD_PARTY_CEL_PYTHON_PY_CEL_ENV_H_