curljsonrequest.h

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#ifndef BACKENDS_NETWORKING_CURL_CURLJSONREQUEST_H
#define BACKENDS_NETWORKING_CURL_CURLJSONREQUEST_H

#include "backends/networking/curl/curlrequest.h"
#include "common/memstream.h"
#include "common/formats/json.h"

namespace Networking {

typedef Response<const Common::JSONValue *> JsonResponse;
typedef Common::BaseCallback<const JsonResponse &> *JsonCallback;
typedef Common::BaseCallback<const Common::JSONValue *> *JSONValueCallback;

#define CURL_JSON_REQUEST_BUFFER_SIZE 512 * 1024

class CurlJsonRequest: public CurlRequest {
protected:
    JsonCallback _jsonCallback;
    Common::MemoryWriteStreamDynamic _contentsStream;
    byte *_buffer;

    virtual void finishJson(const Common::JSONValue *json);

public:
    CurlJsonRequest(JsonCallback cb, ErrorCallback ecb, const Common::String &url);
    ~CurlJsonRequest() override;

    void handle() override;
    void restart() override;

    static bool jsonIsObject(const Common::JSONValue *item, const char *warningPrefix);
    static bool jsonContainsObject(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
    static bool jsonContainsString(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
    static bool jsonContainsIntegerNumber(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
    static bool jsonContainsArray(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
    static bool jsonContainsStringOrIntegerNumber(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
    static bool jsonContainsAttribute(const Common::JSONObject &item, const char *key, const char *warningPrefix, bool isOptional = false);
};

} // End of namespace Networking

#endif