blob: 555f539acf3076c59a04a6b0b9bf65723dfac7d5 (
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
|
#ifndef SRC_JSON_PARSER_H_
#define SRC_JSON_PARSER_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include <memory>
#include <optional>
#include <string>
#include "util.h"
#include "v8.h"
namespace node {
// This is intended to be used to get some top-level fields out of a JSON
// without having to spin up a full Node.js environment that unnecessarily
// complicates things.
class JSONParser {
public:
JSONParser();
~JSONParser() {}
bool Parse(const std::string& content);
std::optional<std::string> GetTopLevelStringField(std::string_view field);
std::optional<bool> GetTopLevelBoolField(std::string_view field);
private:
// We might want a lighter-weight JSON parser for this use case. But for now
// using V8 is good enough.
static void FreeIsolate(v8::Isolate* isolate);
std::unique_ptr<v8::ArrayBuffer::Allocator> allocator_;
DeleteFnPtr<v8::Isolate, FreeIsolate> isolate_;
v8::HandleScope handle_scope_;
v8::Global<v8::Context> context_;
v8::Context::Scope context_scope_;
v8::Global<v8::Object> content_;
bool parsed_ = false;
};
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_JSON_PARSER_H_
|
