C++ Ptr::AddStringItem方法代码示例

// Serializes the profiles to disk.
void ProfileManager::SaveCache()
{
    String path = GetProfilePath(true);
 
    Lock::Locker lockScope(&ProfileLock);

    // TODO: Since there is only a single device type now, a full tree overwrite
    // is sufficient but in the future a selective device branch replacement will
    // be necessary

    Ptr<JSON> root = *JSON::CreateObject();
    root->AddNumberItem("Oculus Profile Version", PROFILE_VERSION);
    root->AddStringItem("CurrentProfile", DefaultProfile);
    root->AddNumberItem("ProfileCount", (double) ProfileCache.GetSize());

    // Generate a JSON subtree for each profile
    for (unsigned int i=0; i<ProfileCache.GetSize(); i++)
    {
        Profile* profile = ProfileCache[i];

        JSON* json_profile = JSON::CreateObject();
        json_profile->Name = "Profile";
        json_profile->AddStringItem("Name", profile->Name);
        const char* gender;
        switch (profile->GetGender())
        {
            case Profile::Gender_Male:   gender = "Male"; break;
            case Profile::Gender_Female: gender = "Female"; break;
            default: gender = "Unspecified";
        }
        json_profile->AddStringItem("Gender", gender);
        json_profile->AddNumberItem("PlayerHeight", profile->PlayerHeight);
        json_profile->AddNumberItem("IPD", profile->IPD);

        if (profile->Type == Profile_RiftDK1)
        {
            RiftDK1Profile* riftdk1 = (RiftDK1Profile*)profile;
            JSON* json_riftdk1 = JSON::CreateObject();
            json_profile->AddItem("RiftDK1", json_riftdk1);

            const char* eyecup = "A";
            switch (riftdk1->EyeCups)
            {
                case RiftDK1Profile::EyeCup_A: eyecup = "A"; break;
                case RiftDK1Profile::EyeCup_B: eyecup = "B"; break;
                case RiftDK1Profile::EyeCup_C: eyecup = "C"; break;
            }
            json_riftdk1->AddStringItem("EyeCup", eyecup);
            json_riftdk1->AddNumberItem("LL", riftdk1->LL);
            json_riftdk1->AddNumberItem("LR", riftdk1->LR);
            json_riftdk1->AddNumberItem("RL", riftdk1->RL);
            json_riftdk1->AddNumberItem("RR", riftdk1->RR);
        }

        root->AddItem("Profile", json_profile);
    }

    root->Save(path);
}

void GyroTempCalibration::SaveFile()
{
    Ptr<JSON> root = *JSON::CreateObject();
	root->AddNumberItem("Calibration Version", TEMP_CALIBRATION_FILE_VERSION_2);

	String str = GyroCalibrationToString();
    root->AddStringItem("Data", str.ToCStr());
	
	String path = GetCalibrationPath(true);
    root->Save(path);
}

// Writes the current calibration for a particular device to a device profile file
// sensor - the sensor that was calibrated
// cal_name - an optional name for the calibration or default if cal_name == NULL
bool SensorFusion::SaveMagCalibration(const char* calibrationName) const
{
    if (CachedSensorInfo.SerialNumber[0] == 0 || !HasMagCalibration())
        return false;
    
    // A named calibration may be specified for calibration in different
    // environments, otherwise the default calibration is used
    if (calibrationName == NULL)
        calibrationName = "default";

    // Generate a mag calibration event
    JSON* calibration = JSON::CreateObject();
    // (hardcoded for now) the measurement and representation method 
    calibration->AddStringItem("Version", "2.0");   
    calibration->AddStringItem("Name", "default");

    // time stamp the calibration
    char time_str[64];
   
#if defined(OVR_OS_WIN32) and !defined(__MINGW32__)
    struct tm caltime;
    localtime_s(&caltime, &MagCalibrationTime);
    strftime(time_str, 64, "%Y-%m-%d %H:%M:%S", &caltime);
#else
    struct tm* caltime;
    caltime = localtime(&MagCalibrationTime);
    strftime(time_str, 64, "%Y-%m-%d %H:%M:%S", caltime);
#endif
   
    calibration->AddStringItem("Time", time_str);

    // write the full calibration matrix
    char matrix[256];
    Matrix4f calmat = GetMagCalibration();
    calmat.ToString(matrix, 256);
    calibration->AddStringItem("CalibrationMatrix", matrix);
    // save just the offset, for backwards compatibility
    // this can be removed when we don't want to support 0.2.4 anymore
    Vector3f center(calmat.M[0][3], calmat.M[1][3], calmat.M[2][3]);
    Matrix4f tmp = calmat; tmp.M[0][3] = tmp.M[1][3] = tmp.M[2][3] = 0; tmp.M[3][3] = 1;
    center = tmp.Inverted().Transform(center);
    Matrix4f oldcalmat; oldcalmat.M[0][3] = center.x; oldcalmat.M[1][3] = center.y; oldcalmat.M[2][3] = center.z; 
    oldcalmat.ToString(matrix, 256);
    calibration->AddStringItem("Calibration", matrix);
    

    String path = GetBaseOVRPath(true);
    path += "/Devices.json";

    // Look for a prexisting device file to edit
    Ptr<JSON> root = *JSON::Load(path);
    if (root)
    {   // Quick sanity check of the file type and format before we parse it
        JSON* version = root->GetFirstItem();
        if (version && version->Name == "Oculus Device Profile Version")
        {   
            int major = atoi(version->Value.ToCStr());
            if (major > MAX_DEVICE_PROFILE_MAJOR_VERSION)
            {
                // don't use the file on unsupported major version number
                root->Release();
                root = NULL;
            }
        }
        else
        {
            root->Release();
            root = NULL;
        }
    }

    JSON* device = NULL;
    if (root)
    {
        device = root->GetFirstItem();   // skip the header
        device = root->GetNextItem(device);
        while (device)
        {   // Search for a previous calibration with the same name for this device
            // and remove it before adding the new one
            if (device->Name == "Device")
            {   
                JSON* item = device->GetItemByName("Serial");
                if (item && item->Value == CachedSensorInfo.SerialNumber)
                {   // found an entry for this device
                    item = device->GetNextItem(item);
                    while (item)
                    {
                        if (item->Name == "MagCalibration")
                        {   
                            JSON* name = item->GetItemByName("Name");
                            if (name && name->Value == calibrationName)
                            {   // found a calibration of the same name
                                item->RemoveNode();
                                item->Release();
                                break;
                            } 
                        }
//.........这里部分代码省略.........

// Serializes the profiles to disk.
void ProfileManager::SaveCache()
{
    String path = GetProfilePath(true);
 
    Lock::Locker lockScope(&ProfileLock);

    Ptr<JSON> oldroot = *JSON::Load(path);
    if (oldroot)
    {
        if (oldroot->GetItemCount() >= 3)
        {
            JSON* item0 = oldroot->GetFirstItem();
            JSON* item1 = oldroot->GetNextItem(item0);
            oldroot->GetNextItem(item1);

            if (item0->Name == "Oculus Profile Version")
            {
                int major = atoi(item0->Value.ToCStr());
                if (major > MAX_PROFILE_MAJOR_VERSION)
                    oldroot.Clear();   // don't use the file on unsupported major version number
            }
            else
            {
                oldroot.Clear(); 
            }
        }
        else
        {
            oldroot.Clear();
        }
    }
    
    // Create a new json root
    Ptr<JSON> root = *JSON::CreateObject();
    root->AddNumberItem("Oculus Profile Version", PROFILE_VERSION);
    root->AddStringItem("CurrentProfile", DefaultProfile);
    root->AddNumberItem("ProfileCount", (double) ProfileCache.GetSize());

    // Generate a JSON subtree for each profile
    for (unsigned int i=0; i<ProfileCache.GetSize(); i++)
    {
        Profile* profile = ProfileCache[i];

        // Write the base profile information
        JSON* json_profile = JSON::CreateObject();
        json_profile->Name = "Profile";
        json_profile->AddStringItem("Name", profile->Name);
        const char* gender;
        switch (profile->GetGender())
        {
            case Profile::Gender_Male:   gender = "Male"; break;
            case Profile::Gender_Female: gender = "Female"; break;
            default: gender = "Unspecified";
        }
        json_profile->AddStringItem("Gender", gender);
        json_profile->AddNumberItem("PlayerHeight", profile->PlayerHeight);
        json_profile->AddNumberItem("IPD", profile->IPD);

        const char* device_name = NULL;
        // Create a device-specific subtree for the cached device
        if (profile->Type == Profile_RiftDK1)
        {
            device_name = "RiftDK1";
            
            RiftDK1Profile* rift = (RiftDK1Profile*)profile;
            JSON* json_rift = JSON::CreateObject();
            json_profile->AddItem(device_name, json_rift);

            const char* eyecup = "A";
            switch (rift->EyeCups)
            {
                case EyeCup_A: eyecup = "A"; break;
                case EyeCup_B: eyecup = "B"; break;
                case EyeCup_C: eyecup = "C"; break;
            }
            json_rift->AddStringItem("EyeCup", eyecup);
            json_rift->AddNumberItem("LL", rift->LL);
            json_rift->AddNumberItem("LR", rift->LR);
            json_rift->AddNumberItem("RL", rift->RL);
            json_rift->AddNumberItem("RR", rift->RR);
        }
        else if (profile->Type == Profile_RiftDKHD)
        {
            device_name = "RiftDKHD";
            
            RiftDKHDProfile* rift = (RiftDKHDProfile*)profile;
            JSON* json_rift = JSON::CreateObject();
            json_profile->AddItem(device_name, json_rift);

            const char* eyecup = "A";
            switch (rift->EyeCups)
            {
                case EyeCup_A: eyecup = "A"; break;
                case EyeCup_B: eyecup = "B"; break;
                case EyeCup_C: eyecup = "C"; break;
            }
            json_rift->AddStringItem("EyeCup", eyecup);
            //json_rift->AddNumberItem("LL", rift->LL);
            //json_rift->AddNumberItem("LR", rift->LR);
//.........这里部分代码省略.........