blob: 1cbcae83757119253c8cbcd78e333d5c0d9825b6 (
plain)
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
|
/*
* Copyright (C) 2020 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.
*/
#ifndef SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_UTILS_H_
#define SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_UTILS_H_
#include <stdint.h>
#include "perfetto/ext/base/optional.h"
#include "perfetto/ext/base/string_view.h"
#include "src/trace_processor/importers/common/args_tracker.h"
#if PERFETTO_BUILDFLAG(PERFETTO_TP_JSON)
#include <json/value.h>
#else
namespace Json {
class Value {};
} // namespace Json
#endif
namespace perfetto {
namespace trace_processor {
namespace json {
// Returns whether JSON related functioanlity is supported with the current
// build flags.
bool IsJsonSupported();
base::Optional<int64_t> CoerceToTs(const Json::Value& value);
base::Optional<int64_t> CoerceToTs(const std::string& value);
base::Optional<int64_t> CoerceToInt64(const Json::Value& value);
base::Optional<uint32_t> CoerceToUint32(const Json::Value& value);
// Parses the given JSON string into a JSON::Value object.
// This function should only be called if |IsJsonSupported()| returns true.
base::Optional<Json::Value> ParseJsonString(base::StringView raw_string);
// Flattens the given Json::Value and adds each leaf node to the bound args
// inserter. Note:
// * |flat_key| and |key| should be non-empty and will be used to prefix the
// keys of all leaf nodes in the JSON.
// * |storage| is used to intern all strings (e.g. keys and values).
// * This function should only be called if |IsJsonSupported()| returns true.
bool AddJsonValueToArgs(const Json::Value& value,
base::StringView flat_key,
base::StringView key,
TraceStorage* storage,
ArgsTracker::BoundInserter* inserter);
} // namespace json
} // namespace trace_processor
} // namespace perfetto
#endif // SRC_TRACE_PROCESSOR_IMPORTERS_JSON_JSON_UTILS_H_
|
