caca.txt

➜  lib git:(plugins) ✗ make
/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ -c -pipe -Werror -O2 -isysroot /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk -mmacosx-version-min=10.7 -Wall -W -fPIC -DQT_NO_DEBUG -DQT_NETWORK_LIB -DQT_CORE_LIB -I. -I. -I../main -I../../../../Qt/5.5/clang_64/lib/QtNetwork.framework/Headers -I../../../../Qt/5.5/clang_64/lib/QtCore.framework/Headers -Itmp/moc -I../../../../Qt/5.5/clang_64/mkspecs/macx-clang -F/Users/dashie/Qt/5.5/clang_64/lib -o tmp/obj/httpcommon.o httpcommon.cpp
httpcommon.cpp:41:14: error: no matching member function for call to 'connect'
    QObject::connect(reply, SIGNAL(finished()), &waitLoop, SLOT(quit()));
    ~~~~~~~~~^~~~~~~
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:196:36: note: candidate
      function not viable: cannot convert argument of incomplete type 'QNetworkReply *' to
      'const QObject *'
    static QMetaObject::Connection connect(const QObject *sender, const char *signal,
                                   ^
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:199:36: note: candidate
      function not viable: cannot convert argument of incomplete type 'QNetworkReply *' to
      'const QObject *'
    static QMetaObject::Connection connect(const QObject *sender, const QMetaMethod &signal,
                                   ^
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:475:41: note: candidate
      function not viable: no known conversion from 'HTTPCommon' to 'const QObject' for object
      argument
inline QMetaObject::Connection QObject::connect(const QObject *asender, const char *asignal,
                                        ^
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:213:43: note: candidate
      template ignored: substitution failure [with Func1 = const char *, Func2 = const char *]:
      no type named 'Object' in 'QtPrivate::FunctionPointer<const char *>'
  ...QMetaObject::Connection connect(const typename QtPrivate::FunctionPointer<Func1>::Object ...
                             ^                                                         ~~~~~~
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:254:13: note: candidate
      template ignored: substitution failure [with Func1 = const char *, Func2 = const char *]:
      implicit instantiation of undefined template 'QtPrivate::QEnableIf<false,
      QMetaObject::Connection>'
            connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Fun...
            ^
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:293:13: note: candidate
      template ignored: substitution failure [with Func1 = const char *, Func2 = const char *]:
      no type named 'Object' in 'QtPrivate::FunctionPointer<const char *>'
            connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Fun...
            ^                                                         ~~~~~~
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:245:13: note: candidate
      function template not viable: requires 3 arguments, but 4 were provided
            connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Fun...
            ^
/Users/dashie/Qt/5.5/clang_64/lib/QtCore.framework/Headers/qobject.h:285:13: note: candidate
      function template not viable: requires 3 arguments, but 4 were provided
            connect(const typename QtPrivate::FunctionPointer<Func1>::Object *sender, Fun...
            ^
httpcommon.cpp:45:26: error: member access into incomplete type 'QNetworkReply'
    int errorCode = reply->error();
                         ^
../../../../Qt/5.5/clang_64/lib/QtNetwork.framework/Headers/qnetworkaccessmanager.h:54:7: note:
      forward declaration of 'QNetworkReply'
class QNetworkReply;
      ^
httpcommon.cpp:58:5: error: deleting pointer to incomplete type 'QNetworkReply' may cause
      undefined behavior [-Werror,-Wdelete-incomplete]
    delete reply;
    ^      ~~~~~
../../../../Qt/5.5/clang_64/lib/QtNetwork.framework/Headers/qnetworkaccessmanager.h:54:7: note:
      forward declaration of 'QNetworkReply'
class QNetworkReply;
      ^
3 errors generated.
make: *** [tmp/obj/httpcommon.o] Error 1

httpcommon.cpp

#include "httpcommon.h"
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QString>
#include <QUrl>
#include <QEventLoop>
#include <QHash>
#include <QObject>

/**
 * @brief      Generic function for external HTTP Requests
 *
 * @param[in]  server  Server URI
 * @param[in]  params  QUrl parameters
 * @param[in]  type    Type enum
 *
 * @return     { description_of_the_return_value }
 */
HTTPCommon::httpResponse HTTPCommon::request(QString server, QUrl params, int type) {
    QString params_array = params.query();

    httpResponse response = HTTPCommon::responseObject;
    response.type = type;
    response.params = params;
    response.server = server;

    QNetworkRequest url;
    url.setUrl(QUrl(server));

    QEventLoop waitLoop;
    QNetworkAccessManager * connection = new QNetworkAccessManager();

    QNetworkReply *reply;
    if (type == POST) {
        reply = connection->post(url, params_array.toUtf8());
    } else if (type == GET) {
        reply = connection->get(url);
    }

    QObject::connect(reply, SIGNAL(finished()), &waitLoop, SLOT(quit()));

    waitLoop.exec();

    int errorCode = reply->error();
    QString replyValue;

    if (errorCode != 0){
        // Show Error Message
        replyValue = "some error wtf";
    }
    else{
        // Parse "reply"
        replyValue = "parse reply here";
    }

    delete connection;
    delete reply;

    return response;
}

httpcommon.h

#ifndef HTTPCOMMON_H
#define HTTPCOMMON_H
#include <QString>
#include <QUrl>
#include <QUrlQuery>

class HTTPCommon {

public:
    enum RequestType { INVALID, GET, POST, POSTRAW };

    struct httpResponse {
    	int type;
    	int errorCode;
    	QUrl params;
    	QString server;
    	QString reply;
    } responseObject;

    httpResponse request(QString server, QUrl params, int type);

};

#endif // HTTPCOMMON_H