public IEnumerator <TheaterBlock> GetEnumerator()
{
Stack <TheaterBlock> stack = new Stack <TheaterBlock>();
for (int i = Root.Count - 1; i >= 0; --i)
{
stack.Push(Root[i]);
}
while (stack.Count > 0)
{
TheaterBlock block = stack.Pop();
yield return(block);
if (block.IsContainer)
{
for (int i = block.Childs.Count - 1; i >= 0; --i)
{
stack.Push(block.Childs[i]);
}
}
}
}
public void ValidateToken()
{
int level = 0;
for (var iter = GetEnumerator(); iter.MoveNext();)
{
TheaterBlock block = iter.Current;
if (block.IsContainer)
{
switch (level)
{
case 0:
if (block.Key.CompareTo("theater") != 0)
{
throw new Exception("Syntax error(" + block.Line + "): First collection must be \"theater\".");
}
break;
case 1:
bool contain = false;
foreach (string cat in CATEGORIS)
{
if (block.Key.CompareTo(cat) == 0)
{
contain = true;
break;
}
}
if (!contain)
{
StringBuilder builder = new StringBuilder("Syntax error(");
builder.Append(block.Line);
builder.Append("): Second collection must be one of the next.\n");
foreach (string cat in CATEGORIS)
{
builder.Append(cat);
builder.Append(", ");
}
builder.Remove(builder.Length - 2, 2);
throw new Exception(builder.ToString());
}
break;
default:
break;
}
level++;
}
else
{
switch (block.Key)
{
case "#base":
if (level > 0)
{
throw new Exception("Syntax error(" + block.Line + "): \"#base\" must be top of file.");
}
break;
default:
break;
}
}
}
}
public void Tokenize(string theater)
{
int currentLine = 1;
theater = theater.Trim();
Stack <List <TheaterBlock> > stack = new Stack <List <TheaterBlock> >();
stack.Push(Root);
string key = null;
StringBuilder builder = new StringBuilder();
bool buildingIdentifier = false;
bool isComment = false;
while (!string.IsNullOrEmpty(theater))
{
char c = theater[0];
theater = theater.Substring(1);
switch (c)
{
case '/':
if (theater[0] == '/')
{
isComment = true;
theater = theater.Substring(1);
}
break;
case '\"':
if (isComment)
{
break;
}
if (buildingIdentifier == false)
{
buildingIdentifier = true;
}
else
{
buildingIdentifier = false;
if (key == null)
{
key = builder.ToString();
}
else
{
string value = builder.ToString();
TheaterBlock blk = new TheaterBlock(key, value, stack.Count - 1);
blk.Line = currentLine;
stack.Peek().Add(blk);
key = null;
}
builder.Clear();
}
break;
case '{':
if (isComment)
{
break;
}
if (buildingIdentifier)
{
throw new Exception("Invalid syntax(" + currentLine + "): Cannot use brace as identifier.");
}
if (key == null)
{
throw new Exception("Invalid syntax(" + currentLine + "): No identifier for this collection found.");
}
TheaterBlock block = new TheaterBlock(key, new List <TheaterBlock>(), stack.Count - 1);
block.Line = currentLine;
key = null;
stack.Peek().Add(block);
stack.Push(block.Childs);
break;
case '}':
if (isComment)
{
break;
}
if (buildingIdentifier)
{
throw new Exception("Invalid syntax(" + currentLine + "): Cannot use brace as identifier.");
}
stack.Pop();
break;
case ' ':
if (isComment)
{
break;
}
if (buildingIdentifier)
{
builder.Append(c);
break;
}
break;
case '\t':
if (isComment)
{
break;
}
if (buildingIdentifier)
{
throw new Exception("Invalid syntax(" + currentLine + "): Cannot use tab character as identifier.");
}
break;
case '\n':
isComment = false;
currentLine++;
if (buildingIdentifier)
{
throw new Exception("Invalid syntax(" + currentLine + "): Cannot use new line character as identifier.");
}
break;
default:
if (isComment)
{
break;
}
if (buildingIdentifier)
{
builder.Append(c);
break;
}
break;
}
}
if (stack.Count != 1)
{
throw new Exception("Invalid syntax(" + currentLine + "): Number of braces does not match.");
}
}