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#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 <unordered_map>
#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:
using StringDict = std::unordered_map<std::string, std::string>;
JSONParser();
~JSONParser() = default;
bool Parse(const std::string& content);
std::optional<std::string> GetTopLevelStringField(std::string_view field);
std::optional<bool> GetTopLevelBoolField(std::string_view field);
std::optional<StringDict> GetTopLevelStringDict(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.
RAIIIsolateWithoutEntering isolate_;
v8::Global<v8::Context> context_;
v8::Global<v8::Object> content_;
bool parsed_ = false;
};
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_JSON_PARSER_H_
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