to_string_native()

fl::string fl::json::to_string_native

(

)

const

Definition at line 1406 of file json.cpp.hpp.

                                                   {
    if (!mValue) {
        return "null";
    }
 
    // Pass 1: measure the exact serialized length without allocating it.
    JsonCountSink counter;
    SerializerVisitor<JsonCountSink> measure{counter};
    measure.serialize_value(mValue.get());
 
    // Pass 2: write into one exactly-sized buffer. If that buffer cannot be
    // allocated, return an empty string rather than a truncated document.
    fl::string result;
    result.reserve(counter.count);
    if (result.capacity() < counter.count) {
        return fl::string();
    }
    JsonStringSink sink{result};
    SerializerVisitor<JsonStringSink> write{sink};
    write.serialize_value(mValue.get());
    if (result.size() != counter.count) {
        return fl::string();
    }
    return result;
}

References counter, fl::FL_NO_EXCEPT, mValue, and fl::SerializerVisitor< Sink >::serialize_value().

Referenced by to_string(), fl::json_value::to_string(), and to_string_native_public().

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