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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_