json_trace_tokenizer.cc | Explore in Territory

/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * 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.
 */

#include "src/trace_processor/importers/json/json_trace_tokenizer.h"

#include <cctype>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>

#include "perfetto/base/logging.h"
#include "perfetto/base/status.h"
#include "perfetto/ext/base/string_utils.h"
#include "perfetto/ext/base/string_view.h"
#include "perfetto/trace_processor/trace_blob_view.h"
#include "src/trace_processor/importers/json/json_utils.h"
#include "src/trace_processor/importers/systrace/systrace_line.h"
#include "src/trace_processor/sorter/trace_sorter.h"  // IWYU pragma: keep
#include "src/trace_processor/storage/stats.h"
#include "src/trace_processor/util/status_macros.h"

namespace perfetto::trace_processor {
namespace {

std::string FormatErrorContext(const char* s, const char* e) { … }

base::Status AppendUnescapedCharacter(char c,
                                      bool is_escaping,
                                      std::string* key) { … }

enum class ReadStringRes { … };
ReadStringRes ReadOneJsonString(const char* start,
                                const char* end,
                                std::string* key,
                                const char** next) { … }

enum class SkipValueRes { … };
SkipValueRes SkipOneJsonValue(const char* start,
                              const char* end,
                              const char** next) { … }

base::Status SetOutAndReturn(const char* ptr, const char** out) { … }

}  // namespace

ReadDictRes ReadOneJsonDict(const char* start,
                            const char* end,
                            base::StringView* value,
                            const char** next) { … }

ReadKeyRes ReadOneJsonKey(const char* start,
                          const char* end,
                          std::string* key,
                          const char** next) { … }

base::Status ExtractValueForJsonKey(base::StringView dict,
                                    const std::string& key,
                                    std::optional<std::string>* value) { … }

ReadSystemLineRes ReadOneSystemTraceLine(const char* start,
                                         const char* end,
                                         std::string* line,
                                         const char** next) { … }

JsonTraceTokenizer::JsonTraceTokenizer(TraceProcessorContext* ctx)
    : … { … }
JsonTraceTokenizer::~JsonTraceTokenizer() = default;

base::Status JsonTraceTokenizer::Parse(TraceBlobView blob) { … }

base::Status JsonTraceTokenizer::ParseInternal(const char* start,
                                               const char* end,
                                               const char** out) { … }

base::Status JsonTraceTokenizer::HandleTraceEvent(const char* start,
                                                  const char* end,
                                                  const char** out) { … }

base::Status JsonTraceTokenizer::HandleDictionaryKey(const char* start,
                                                     const char* end,
                                                     const char** out) { … }

base::Status JsonTraceTokenizer::HandleSystemTraceEvent(const char* start,
                                                        const char* end,
                                                        const char** out) { … }

base::Status JsonTraceTokenizer::NotifyEndOfFile() { … }

}  // namespace perfetto::trace_processor
chromium/third_party/perfetto/src/trace_processor/importers/json/json_trace_tokenizer.cc
