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Due to the limitations of in-process handling, an intermediate dump file is written during exceptions. The data is streamed to a file using only in-process safe methods. The file format is similar to binary JSON, supporting keyed properties, maps and arrays. - Property [key:int, length:int, value:intarray] - StartMap [key:int], followed by repeating Properties until EndMap - StartArray [key:int], followed by repeating Maps until EndArray - EndMap, EndArray, EndDocument Similar to JSON, maps can contain other maps, arrays and properties. Once loaded, the binary file is read into a set of data structures that expose the data, maps and arrays. Bug: crashpad: 31 Change-Id: I43a19204935303afd753c8c7090c54099634ccd6 Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/2870807 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Justin Cohen <justincohen@chromium.org>
69 lines
2.1 KiB
C++
69 lines
2.1 KiB
C++
// Copyright 2021 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_UTIL_IOS_IOS_INTERMEDIATE_DUMP_DATA_H_
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#define CRASHPAD_UTIL_IOS_IOS_INTERMEDIATE_DUMP_DATA_H_
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#include <string>
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#include <vector>
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#include "base/macros.h"
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#include "util/ios/ios_intermediate_dump_object.h"
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namespace crashpad {
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namespace internal {
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//! \brief A data object, consisting of a std::vector<uint8_t>.
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class IOSIntermediateDumpData : public IOSIntermediateDumpObject {
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public:
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IOSIntermediateDumpData();
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~IOSIntermediateDumpData() override;
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//! \brief Constructs a new data object which owns a std::vector<uint8_t>.
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//!
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//! \param[in] data An array of uint8_t.
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//! \param[in] length The length of \a data.
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IOSIntermediateDumpData(std::vector<uint8_t> data) : data_(std::move(data)) {}
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// IOSIntermediateDumpObject:
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Type GetType() const override;
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//! \brief Returns data as a string.
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std::string GetString() const;
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//! \brief Copies the data into \a value if sizeof(T) matches data_.size().
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//!
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//! \param[out] value The data to populate.
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//!
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//! \return On success, returns `true`, otherwise returns `false`.
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template <typename T>
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bool GetValue(T* value) const {
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return GetValueInternal(reinterpret_cast<void*>(value), sizeof(*value));
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}
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const std::vector<uint8_t>& bytes() const { return data_; }
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private:
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bool GetValueInternal(void* value, size_t value_size) const;
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std::vector<uint8_t> data_;
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DISALLOW_COPY_AND_ASSIGN(IOSIntermediateDumpData);
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};
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} // namespace internal
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} // namespace crashpad
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#endif // CRASHPAD_UTIL_IOS_IOS_INTERMEDIATE_DUMP_DATA_H_
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