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C++ Value::IsNull方法代码示例

本文整理汇总了C++中rapidjson::Value::IsNull方法的典型用法代码示例。如果您正苦于以下问题：C++ Value::IsNull方法的具体用法？C++ Value::IsNull怎么用？C++ Value::IsNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类rapidjson::Value的用法示例。


在下文中一共展示了Value::IsNull方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: name

SPGREchoSequence::SPGREchoSequence(const rapidjson::Value &json) {
    if (json.IsNull())
        QI::Fail("Could not read sequence: {}", name());
    TR = GetMember(json, "TR").GetDouble();
    TE = GetMember(json, "TE").GetDouble();
    FA = ArrayFromJSON(json, "FA", M_PI / 180);
}
开发者ID:spinicist，项目名称:QUIT，代码行数:7，代码来源:SPGRSequence.cpp

示例2: parse_error

tws::geoarray::spatial_extent_t
tws::geoarray::read_spatial_extent(const rapidjson::Value& jspatial_extent)
{
  if(!jspatial_extent.IsObject() || jspatial_extent.IsNull())
    throw tws::parse_error() << tws::error_description("error parsing spatial extent in metadata.");

  spatial_extent_t sp_extent;

  const rapidjson::Value& jextent = jspatial_extent["extent"];

  sp_extent.extent = read_extent(jextent);

  const rapidjson::Value& jres = jspatial_extent["resolution"];

  sp_extent.resolution = read_spatial_resolution(jres);

  //const rapidjson::Value& jcrs = jspatial_extent["crs"];

  //if(!jcrs.IsString() || jcrs.IsNull())
    //throw tws::parse_error() << tws::error_description("error in CRS in metadata.");

  //std::string crs = jcrs.GetString();

  //std::pair<std::string,unsigned int> crs_id = te::srs::SpatialReferenceSystemManager::getInstance().getIdFromP4Txt(crs);

  const rapidjson::Value& jsrid = jspatial_extent["srid"];

  if(!jsrid.IsInt() || jsrid.IsNull())
    throw tws::parse_error() << tws::error_description("error reading geoarray srid.");

  sp_extent.crs_code = jsrid.GetUint();

  return sp_extent;
}
开发者ID:e-sensing，项目名称:tws，代码行数:34，代码来源:utils.cpp

示例3: readFromValue

bool MultitypeVar::readFromValue(const rapidjson::Value& obj)
{
    if (obj.IsNull())
    {
        mType = MultitypeNull;
    }
    else if (obj.IsBool())
    {
        mType = MultitypeBool;
        mBool = obj.GetBool();
    }
    else if (obj.IsNumber())
    {
        mType = MultitypeNumber;
        mNumber = obj.GetDouble();
    }
    else if (obj.IsString())
    {
        mType = MultitypeNumber;
        mString = obj.GetString();
    }
    else
    {
        mType = MultitypeNull;
        return false;
    }
    return true;
}
开发者ID:Brewtallity，项目名称:WindowsSDK，代码行数:28，代码来源:PlayFabBaseModel.cpp

示例4: name

/*
 * Regularly spaced sequence
 */
MultiEchoSequence::MultiEchoSequence(const rapidjson::Value &json) {
    if (json.IsNull())
        QI::Fail("Could not read sequence: {}", name());
    TR  = GetMember(json, "TR").GetDouble();
    TE1 = GetMember(json, "TE1").GetDouble();
    ESP = GetMember(json, "ESP").GetDouble();
    ETL = GetMember(json, "ETL").GetInt();
    TE  = Eigen::ArrayXd::LinSpaced(ETL, TE1, TE1 + ESP * (ETL - 1));
}
开发者ID:spinicist，项目名称:QUIT，代码行数:12，代码来源:MultiEchoSequence.cpp

示例5: checkObjectExist_json

bool DictionaryHelper::checkObjectExist_json(const rapidjson::Value &root)
{
    bool bRet = false;
    do {
        CC_BREAK_IF(root.IsNull());
        bRet = true;
    } while (0);
    
    return bRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:10，代码来源:DictionaryHelper.cpp

示例6: getArrayCount_json

int DictionaryHelper::getArrayCount_json(const rapidjson::Value& root, const char* key, int def)
{
    int nRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[key].IsNull());
        nRet = (int)(root[key].Size());
    } while (0);
    
    return nRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:11，代码来源:DictionaryHelper.cpp

示例7: getIntValue_json

int DictionaryHelper::getIntValue_json(const rapidjson::Value& root, const char* key, int def)
{
    int nRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[key].IsNull());
        nRet = root[key].GetInt();
    } while (0);
    
    return nRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:11，代码来源:DictionaryHelper.cpp

示例8: getFloatValue_json

float DictionaryHelper::getFloatValue_json(const rapidjson::Value& root,const char* key, float def)
{
	float fRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[key].IsNull());
        fRet = (float)root[key].GetDouble();
    } while (0);
    
    return fRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:11，代码来源:DictionaryHelper.cpp

示例9: getBooleanValue_json

bool DictionaryHelper::getBooleanValue_json(const rapidjson::Value& root,const char* key, bool def)
{
    bool bRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[key].IsNull());
        bRet = root[key].GetBool();
    } while (0);
    
    return bRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:11，代码来源:DictionaryHelper.cpp

示例10: getFloatValueFromArray_json

float DictionaryHelper::getFloatValueFromArray_json(const rapidjson::Value& root,const char* arrayKey,int idx, float def)
{
    float fRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[arrayKey].IsNull());
        CC_BREAK_IF(root[arrayKey][idx].IsNull());
        fRet = (float)root[arrayKey][idx].GetDouble();
    } while (0);
    
    return fRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:12，代码来源:DictionaryHelper.cpp

示例11: getBoolValueFromArray_json

bool DictionaryHelper::getBoolValueFromArray_json(const rapidjson::Value& root,const char* arrayKey,int idx, bool def)
{
	bool bRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(root[arrayKey].IsNull());
        CC_BREAK_IF(root[arrayKey][idx].IsNull());
        bRet = root[arrayKey][idx].GetBool();
    } while (0);
    
    return bRet;
}
开发者ID:0xiaohui00，项目名称:Cocos2dx-Wechat，代码行数:12，代码来源:DictionaryHelper.cpp

示例12: getIntValueFromArray_json

int DictionaryHelper::getIntValueFromArray_json(const rapidjson::Value& root,const char* arrayKey,int idx, int def)
{
    int nRet = def;
    do {
        CC_BREAK_IF(root.IsNull());
        CC_BREAK_IF(!root.HasMember(arrayKey));
        CC_BREAK_IF(root[arrayKey].IsNull());
        CC_BREAK_IF(root[arrayKey][idx].IsNull());
        nRet = root[arrayKey][idx].GetInt();
    } while (0);

    return nRet;
}
开发者ID:DominicD，项目名称:Hyperdrive，代码行数:13，代码来源:DictionaryHelper.cpp

示例13: read_print_for_array

void Json_Parser::read_print_for_array(rapidjson::Value &va,int i){
    
    if (va.IsBool()) {
        const bool flag=va.GetBool();
        
        CCLOG("%d:%d",i,flag);
    }
    else if (va.IsDouble()) {
        const double flag=va.GetDouble();
        CCLOG("%d:%f",i,flag);
    }
    else if (va.IsInt()) {
        const int flag=va.GetInt();
        CCLOG("%d:%d",i,flag);
    }
    else if (va.IsString()) {
        const std::string flag=va.GetString();
        CCLOG("%d:%s",i,flag.c_str());
    }
    else if (va.IsNull()) {
        
        CCLOG("%d:null",i);
    }
    else if(va.IsObject())
    {
        CCLOG("obj----------%d",i);
        auto it=va.MemberBegin();
        for (;it!=va.MemberEnd();it++) {
            if (va.HasMember(it->name)) {
                read_print(va,it->name.GetString());
                
            }
        }
        
    }
    else if(va.IsArray())
    {
        CCLOG("array-------%d",i);
        for (int i=0; i<va.Size();i++) {
            
            read_print_for_array(va[i],i);
            
            
        }
        
    }
    
}
开发者ID:jj918160，项目名称:OpenGLTest，代码行数:48，代码来源:Json_Parser.cpp

示例14: read_to_map_for_array

void Json_Parser::read_to_map_for_array(cocos2d::ValueVector &temp,rapidjson::Value &va,int i){
     CCLOG("dex:%d",i);
    if (va.IsBool()) {
        const bool flag=va.GetBool();
          temp.push_back(Value(flag));
    }
    else if (va.IsDouble()) {
        const double flag=va.GetDouble();
         temp.push_back(Value(flag));
    }
    else if (va.IsInt()) {
        const int flag=va.GetInt();
          temp.push_back(Value(flag));
    }
    else if (va.IsString()) {
        const std::string flag=va.GetString();
        temp.push_back(Value(flag));
       // CCLOG("++:%d",temp.size());
    }
    else if (va.IsNull()) {
      
           temp.push_back(Value(nullptr));
        
    }
    else if(va.IsObject())
    {
        cocos2d::ValueMap temp2;
        auto it=va.MemberBegin();
        for (;it!=va.MemberEnd();it++) {
            if (va.HasMember(it->name)) {
                read_to_map(temp2,va,it->name.GetString());
            }
        }
           temp.push_back(Value(temp2));
        // CCLOG("mapinvectro层:%lu",temp2.size());
    }
    else if(va.IsArray())
    {
        cocos2d::ValueVector temp2;
        for (int i=0; i<va.Size();i++) {
            read_to_map_for_array(temp2,va[i],i);
        }
         temp.push_back(Value(temp2));
        // CCLOG("vectorinvectro层:%lu",temp.size());
    }
    
}
开发者ID:jj918160，项目名称:OpenGLTest，代码行数:47，代码来源:Json_Parser.cpp

示例15: getType

int JsonValidator::getType(rapidjson::Value& jsonValue) {
	if (jsonValue.IsNull()) {
		return kJsonTypeNull;
	} else if (jsonValue.IsBool()) {
		return kJsonTypeBoolean;
	} else if (jsonValue.IsObject()) {
		return kJsonTypeObject;
	} else if (jsonValue.IsArray()) {
		return kJsonTypeArray;
	} else if (jsonValue.IsString()) {
		return kJsonTypeString;
	} else if (jsonValue.IsInt() || jsonValue.IsInt64() ||
	           jsonValue.IsUint() || jsonValue.IsUint64()) {
		return kJsonTypeInteger;
	} else if (jsonValue.IsDouble()) {
		return kJsonTypeDouble;
	} else {
		return kJsonTypeUnknown;
	}
}
开发者ID:Nuos，项目名称:STUPRO，代码行数:20，代码来源:JsonValidator.cpp


注：本文中的rapidjson::Value::IsNull方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。