断言“IsArray()”失败(RapidJSON)

Assertion `IsArray()' failed (RapidJSON)

我今天早些时候测试了 RapidJSON 库,看看我是否可以解析具有嵌套值的文档,但出于某种原因,我无法想出解决我遇到的错误的方法。我在 Google 和 Stack Overflow 上搜索了一两个小时,但没有找到解决办法。这是代码以及错误:

main.cpp:

#include <iostream>
#include <SFML/Graphics.hpp>
#include "rapidjson/document.h"

#include "include.hpp"

int main() {
    unsigned int input = 1;
    tile output;
    output = LoadTile("../locations.json", input);

    std::cout << output.x << std::endl;

    return 0;
}

load.cpp

#include <iostream>
#include "rapidjson/document.h"
#include "rapidjson/filereadstream.h"

#include "include.hpp"

using namespace rapidjson;

tile LoadTile(std::string fileName, unsigned int number) {
    FILE* file = fopen(fileName.c_str(), "r");

    char buffer[2048];
    FileReadStream stream(file, buffer, 2048);

    Document doc;
    doc.ParseStream(stream);

    tile output;
    Value& tileNumber = doc[number];

    if(!tileNumber.IsObject()) {
        output.overflow = true;
        output.x = 0;
        output.y = 0;
        output.type = "[=11=]";
    }else{
        output.x = tileNumber[0]["x"].GetInt();
        output.y = tileNumber[0]["y"].GetInt();
        output.type = tileNumber[0]["type"].GetString();
    }

    return output;
}

include.hpp:

#include <iostream>
#include <SFML/Graphics.hpp>
#include "rapidjson/document.h"

struct tile {
int x;
int y;
std::string type;
bool overflow = false;
};

tile LoadTile(std::string fileName, unsigned int number);

CMakeLists.txt:

cmake_minimum_required(VERSION 2.6)
project(test)

set(EXECUTABLE_NAME "test")
add_executable(${EXECUTABLE_NAME} main.cpp load.cpp include.hpp)

set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules" ${CMAKE_MODULE_PATH})

install(TARGETS ${EXECUTABLE_NAME} DESTINATION bin})

locations.json:

{
    1:[
        {"x":32},
        {"y":32},
        {"type":"water_c"}
    ]
}

错误:

test: /home/.../rapidjson/document.h:1547:rapidjson::GenericValue<Encoding, Allocator>::operator[](rapidjson::SizeType) [with Encoding = rapidjson::UTF8<>; Allocator = rapidjson::MemoryPoolAllocator<>; rapidjson::SizeType = unsigned int]: Assertion `IsArray()' failed.
Aborted (core dumped)

我知道这不是 JSON 格式,我已经尝试了所有方法。除非有什么真的不对劲。我在 Xubuntu 16.10 上 运行 这个。感谢任何可以提供帮助的人。

您的JSON无效。在JSON中,keys必须是字符串,用双引号括起来。更多详细信息 here。 我建议使用 JSONLint 来验证 JSON 字符串。 有效的 JSON 看起来像这样(双引号中的 1):

{
    "1": [{
        "x": 32
    }, {
        "y": 32
    }, {
        "type": "water_c"
    }]
}