public void Test_NormalItemFactory_CompositeData()
{
List<string> val = new List<string> { "composite val, 1 ,C", ">byte 1, 2", ">byte 3, 3" ,
"composite val 2, 1 ,C", ">byte 1, 2", ">byte 3, 3" };
StreamReader testBed = TestHelper.prepareTestDouble(val);
NormalItemFactory normalItemFactory = new NormalItemFactory(testBed);
List<Item> items = normalItemFactory.GetItems();
List<Item> expectedItems = new List<Item>();
var IC = new ItemComposite();
IC.Length = 1;
IC.Name = "composite val";
BitItem BI1 = new BitItem() { isChecked = false, location = 2, name = "byte 1" };
BitItem BI2 = new BitItem() { isChecked = false, location = 2, name = "byte 1" };
IC.addBitItem(BI1);
IC.addBitItem(BI2);
expectedItems.Add(IC);
var IC2 = new ItemComposite();
IC2.Length = 1;
IC2.Name = "composite val 2";
BitItem BI2_1 = new BitItem() { isChecked = false, location = 2, name = "byte 1" };
BitItem BI2_2 = new BitItem() { isChecked = false, location = 2, name = "byte 1" };
IC.addBitItem(BI2_1);
IC.addBitItem(BI2_2);
expectedItems.Add(IC2);
// start asserting;
TestHelper.Compare(expectedItems, items);
}
public override List<ItemObject.Item> GetItems()
{
List<Item> result = new List<Item>();
Item prev = null;
Item prevTemp = null;
string line = " ";
int defaultValuePosition;
while (line != null)
{
// setting of default value
defaultValuePosition = 3;
Item currentItem = null;
prevTemp = null;
// do the checking of string
line = dataSource.ReadLine();
if (line == null)
continue;
line = line.Trim();
// check for comment or empty line
if (line.Length <= 0 || line[0] == '#')
{
continue;
}
// chop the string into several string separated by ',' (comma)
string[] lines = line.Split(',');
// remove the ending and trailing space
for(int i = 0;i< lines.Length;i++){
lines[i] = lines[i].Trim();
}
// if there is a composite item detected at the previous attempt then start adding it's member
if ((line[0] == '>') && (prev != null) && (prev is ItemComposite))
{
BitItem BI= new BitItem();
BI.name = lines[0].Substring(1);
BI.location = int.Parse(lines[1]);
(prev as ItemComposite).addBitItem(BI);
continue;
}
// if there is no type provided then create a regular item
if (lines.Length <= 2)
{
currentItem = new RegularItem();
}
else
{
// build the basic type based on first character
switch (lines[2].ToUpper()[0])
{
case 'N':
currentItem = new ItemValueAffectedNextItemLength();
prevTemp = currentItem;
break;
case 'C':
currentItem = new ItemComposite();
prevTemp= (ItemComposite)currentItem;
break;
case 'R':
default :
currentItem = new RegularItem();
break;
}
// build the decorator
if (lines[2].Length > 1)
{
switch (lines[2][1])
{
case 'P' :
currentItem = new OtherItemNotNull_Decorator(currentItem,findItem(result, lines[3]));
defaultValuePosition++;
break;
default:
break;
}
}
}
// get the default value (in case it exist)
if (lines.Length >= defaultValuePosition + 1)
{
currentItem.Value = lines[defaultValuePosition];
}
// set the item name and length
currentItem.Name = lines[0];
currentItem.Length = int.Parse(lines[1]);
result.Add(currentItem);
// set the relationship
if (prev != null)
{
if (prev is ItemValueAffectedNextItemLength)
{
(prev as ItemValueAffectedNextItemLength).setAffectedItem((RegularItem)currentItem);
prevTemp = null;
}
}
prev = prevTemp;
}
return result;
}
public void addBitItem(BitItem val)
{
Items.Add(val);
}