public PropertyMap[] MapProperties(Type type, CsvTable table)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
var properties = type.GetProperties(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
var propertyMaps = new List <PropertyMap>();
for (int i = 0; i < properties.Length; i++)
{
var property = properties[i];
// If we need to ignore it, don't add the property to the map.
if (CsvAttributeHelper.IsIgnored(property))
{
continue;
}
// If it does not have a setter, we ignore it.
var setter = property.GetSetMethod(true);
if (setter == null)
{
continue;
}
// If it does not have a getter, we ignore it.
var getter = property.GetGetMethod(true);
if (getter == null)
{
continue;
}
var map = new PropertyMap();
var name = CsvAttributeHelper.GetPropertyAlias(property);
var index = table.Columns.IndexOf(name);
if (index == -1)
{
continue;
}
map.Name = name;
map.ColumnIndex = index;
map.PropertyName = property.Name;
map.PropertyType = property.PropertyType;
map.Getter = getter;
map.Setter = setter;
map.DeclaringType = property.DeclaringType;
// Make sure TID property is first.
if (map.Name == NameColumn)
{
propertyMaps.Insert(0, map);
}
else
{
propertyMaps.Add(map);
}
}
return(propertyMaps.ToArray());
}
public static void Main()
{
var stopwatch = new Stopwatch();
var name = string.Empty;
stopwatch.Start();
var table = new CsvTable(Path.Combine(CoCServerPaths.Content, "buildings.csv"));
var buildings = CsvConvert.Deserialize<BuildingData>(table);
stopwatch.Stop();
Console.WriteLine("Done in {0}ms", stopwatch.Elapsed.TotalMilliseconds);
Console.ReadLine();
}
public DataManager()
{
var buildingTable = new CsvTable("Content\\buildings.csv");
BuildingsData = CsvConvert.Deserialize<BuildingData>(buildingTable);
}
public static CsvDataTable Deserialize(CsvTable table, Type type)
{
if (table == null)
{
throw new ArgumentNullException("table");
}
if (type == null)
{
throw new ArgumentNullException("type");
}
if (type.IsAbstract || type.BaseType != typeof(CsvData))
{
throw new ArgumentException("type must be inherited from CsvData type and non-abstract.");
}
// Instance of the CsvDataTable<type> we're going to return.
var dataTable = CsvDataTable.CreateInternal(type);
// Instance of the CsvDataRow<type> we're going to add to dataTable at the beginning
// of a new parent.
var dataRow = (CsvDataRow)null;
// Map of all properties of the specified Type T.
var propertyMap = s_mapper.MapProperties(type, table);
var rows = table.Rows;
var parentObj = (object)null;
// Hashtable of property name and parameters(property values).
var parentCache = new Hashtable();
var dataLevel = -1;
//var getterCalls = 0;
//var setterCalls = 0;
for (int i = 0; i < rows.Count; i++)
{
// We create a new instance of the Type T.
var childObj = (CsvData)Activator.CreateInstance(type);
var curRow = rows[i];
var isParent = false;
// Set Properties value loop.
for (int j = 0; j < propertyMap.Length; j++)
{
var property = propertyMap[j];
// Gets the name of the property and taking in consideration CsvAliasAttribute.
var propertyName = property.Name;
// Check if the table contains a column with its name == propertyName.
// If the table does not then we ignore the property.
//if (!table.Columns.Contains(propertyName))
// continue;
// Value from CSV table.
var value = curRow[property.ColumnIndex];
// Parameters we will pass to the property.
var parameters = (object[])null;
// Get value from parent property if we don't have
// the value from table(empty field).
if (value == DBNull.Value)
{
if (parentObj != null)
{
// Look up property value in cache.
// If we don't have it cached we cache it.
if (!parentCache.Contains(property.PropertyName))
{
//getterCalls++;
parameters = new object[]
{
property.Getter.Invoke(parentObj, null)
};
parentCache.Add(property.PropertyName, parameters);
}
else
{
parameters = (object[])parentCache[property.PropertyName];
}
}
}
else
{
// Use value from table if its available in the table.
parameters = new object[]
{
value
};
// We update the cache or add it to the cache if it isn't cached.
if (parentCache.Contains(property.PropertyName))
{
parentCache[property.PropertyName] = parameters;
}
else
{
parentCache.Add(property.PropertyName, parameters);
}
}
// Set the property value on the child object.
// Cache default value of Property Type.
var returnType = property.PropertyType;
var defaultValue = (object)null;
if (returnType.IsValueType)
{
// Look up for default value in cache.
// Add default value to cache if its not cached.
if (!s_defaultValueCache.Contains(returnType))
{
defaultValue = Activator.CreateInstance(property.Getter.ReturnType);
s_defaultValueCache.Add(returnType, defaultValue);
}
else
{
defaultValue = s_defaultValueCache[returnType];
}
}
var set = false;
if (parameters != null)
{
if (returnType.IsValueType)
{
if (!parameters[0].Equals(defaultValue))
{
set = true;
}
}
else
{
set = parameters[0] != null;
}
}
else
{
parameters = new object[]
{
defaultValue
};
}
// If the property value is not a default value then
// we set it.
if (set)
{
//setterCalls++;
property.Setter.Invoke(childObj, parameters);
}
// Check if the property' name == "Name" and if the property's value is not null.
// If it meets the conditions then it is a parent.
// Because parents and children share the same name.
isParent = property.Name == "Name" && value != DBNull.Value;
if (isParent)
{
//dataRow = CsvDataRow.CreateInternal(type, dataTable, (string)parameters[0]);
dataRow = dataTable.NewRow((string)parameters[0]);
dataTable.Rows.Add(dataRow);
dataLevel = -1;
// Child object is now the parent object.
parentObj = childObj;
// Reset cache when we hit a new parent.
parentCache.Clear();
}
}
if (++dataLevel >= dataTable.Columns.Count)
{
dataTable.Columns.Add(new CsvDataColumn());
}
dataRow[dataLevel] = childObj;
}
//Console.WriteLine(getterCalls);
//Console.WriteLine(setterCalls);
return(dataTable);
}
