ModelView::JsonVariantConverter Class Reference

Default converter between supported variants and json objects. More...

Inheritance diagram for ModelView::JsonVariantConverter:

Collaboration diagram for ModelView::JsonVariantConverter:

Classes
struct	Converters

Public Member Functions
	JsonVariantConverter ()
QJsonObject	get_json (const Variant &variant) override
Variant	get_variant (const QJsonObject &object) override
bool	isVariant (const QJsonObject &object) const
	Returns true if given json object represents variant. More...

Private Attributes
std::map< std::string, Converters >	m_converters

Detailed Description

Default converter between supported variants and json objects.

Definition at line 31 of file jsonvariantconverter.h.

Constructor & Destructor Documentation

JsonVariantConverter()

JsonVariantConverter::JsonVariantConverter

(

)

Definition at line 75 of file jsonvariantconverter.cpp.

{
    m_converters[Constants::invalid_type_name] = {from_invalid, to_invalid};
    m_converters[Constants::bool_type_name] = {from_bool, to_bool};
    m_converters[Constants::int_type_name] = {from_int, to_int};
    m_converters[Constants::string_type_name] = {from_string, to_string};
    m_converters[Constants::double_type_name] = {from_double, to_double};
    m_converters[Constants::vector_double_type_name] = {from_vector_double, to_vector_double};
    m_converters[Constants::comboproperty_type_name] = {from_comboproperty, to_comboproperty};
    m_converters[Constants::qcolor_type_name] = {from_qcolor, to_qcolor};
    m_converters[Constants::extproperty_type_name] = {from_extproperty, to_extproperty};
    m_converters[Constants::reallimits_type_name] = {from_reallimits, to_reallimits};
}

References ModelView::Constants::bool_type_name, ModelView::Constants::comboproperty_type_name, ModelView::Constants::double_type_name, ModelView::Constants::extproperty_type_name, ModelView::Constants::int_type_name, ModelView::Constants::invalid_type_name, m_converters, ModelView::Constants::qcolor_type_name, ModelView::Constants::reallimits_type_name, ModelView::Constants::string_type_name, and ModelView::Constants::vector_double_type_name.

Member Function Documentation

get_json()

QJsonObject JsonVariantConverter::get_json ( const Variant &  variant )

overridevirtual

Implements ModelView::JsonVariantConverterInterface.

Definition at line 89 of file jsonvariantconverter.cpp.

{
    const std::string type_name = Utils::VariantName(variant);
 
    if (m_converters.find(type_name) == m_converters.end())
        throw std::runtime_error("json::get_json() -> Error. Unknown variant type '" + type_name
                                 + "'.");
 
    return m_converters[type_name].variant_to_json(variant);
}

References m_converters, and ModelView::Utils::VariantName().

Referenced by TEST_F(), and JsonVariantConverterTest::ToJsonAndBack().

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get_variant()

Variant JsonVariantConverter::get_variant ( const QJsonObject &  object )

overridevirtual

Implements ModelView::JsonVariantConverterInterface.

Definition at line 100 of file jsonvariantconverter.cpp.

{
    if (!isVariant(object))
        throw std::runtime_error("json::get_variant() -> Error. Invalid json object");
 
    const auto type_name = object[variantTypeKey].toString().toStdString();
    if (m_converters.find(type_name) == m_converters.end())
        throw std::runtime_error("json::get_variant() -> Error. Unknown variant type '" + type_name
                                 + "' in json object.");
 
    return m_converters[type_name].json_to_variant(object);
}

References isVariant(), and m_converters.

Referenced by TEST_F(), and JsonVariantConverterTest::ToJsonAndBack().

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isVariant()

bool JsonVariantConverter::isVariant

(

const QJsonObject &

object

)

const

Returns true if given json object represents variant.

Definition at line 115 of file jsonvariantconverter.cpp.

{
    static const QStringList expected = expected_variant_keys();
    return object.keys() == expected;
}

Referenced by get_variant(), and TEST_F().

Member Data Documentation

m_converters

std::map<std::string, Converters> ModelView::JsonVariantConverter::m_converters

private

Definition at line 47 of file jsonvariantconverter.h.

Referenced by JsonVariantConverter(), get_json(), and get_variant().

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The documentation for this class was generated from the following files:

• /home/www/ba/mvvm/model/mvvm/serialization/jsonvariantconverter.h
• /home/www/ba/mvvm/model/mvvm/serialization/jsonvariantconverter.cpp