/**
* Get value by key.
* @param osName Key name.
* @return Json object.
*
* @since GDAL 2.3
*/
CPLJSONObject CPLJSONObject::GetObj(const std::string &osName) const
{
std::string objectName;
CPLJSONObject object = GetObjectByPath( osName, objectName );
if( object.IsValid() )
{
json_object* poVal = nullptr;
if(json_object_object_get_ex( TO_JSONOBJ(object.GetInternalHandle()),
objectName.c_str(), &poVal ) )
{
return CPLJSONObject( objectName, poVal );
}
}
return CPLJSONObject( "", nullptr );
}
CPLJSONObject GlEditLayerOverlay::style(enum ngsEditStyleType type) const
{
if(EST_POINT == type) {
return m_pointStyle->save();
}
if(EST_LINE == type) {
return m_lineStyle->save();
}
if(EST_FILL == type) {
return m_fillStyle->save();
}
if(EST_CROSS == type) {
return m_crossStyle->save();
}
return CPLJSONObject();
}
/**
* \brief Get json object children.
*
* This function is useful when keys is not know and need to
* iterate over json object items and get keys and values.
*
* @return Array of CPLJSONObject class instance.
*
* @since GDAL 2.3
*/
std::vector<CPLJSONObject> CPLJSONObject::GetChildren() const
{
std::vector<CPLJSONObject> aoChildren;
if(nullptr == m_poJsonObject || json_object_get_type(
TO_JSONOBJ(m_poJsonObject) ) != json_type_object )
{
return aoChildren;
}
json_object_iter it;
it.key = nullptr;
it.val = nullptr;
it.entry = nullptr;
json_object_object_foreachC( TO_JSONOBJ(m_poJsonObject), it ) {
aoChildren.push_back(CPLJSONObject(it.key, it.val));
}
/**
* Get json document root object
* @return CPLJSONObject class instance
*
* @since GDAL 2.3
*/
CPLJSONObject CPLJSONDocument::GetRoot()
{
if( nullptr == m_poRootJsonObject )
{
m_poRootJsonObject = json_object_new_object();
}
if( json_object_get_type( TO_JSONOBJ(m_poRootJsonObject) ) == json_type_array )
{
return CPLJSONArray( "", m_poRootJsonObject );
}
else
{
return CPLJSONObject( "", m_poRootJsonObject );
}
}
