private void ParseContext(FXmlElement element)
{
Token t = GetTokenAtPos(pos);
if (t == null || t.Type != TokenType.OPEN_BRACES_SIGN)
{
SyntaxError("{", t);
return;
}
pos = pos + 1;
// Get children
IEnumerable <FXmlElement> children = ParseStatements();
foreach (FXmlElement e in children)
{
element.Children.Add(e);
}
t = GetTokenAtPos(pos);
if (t == null || t.Type != TokenType.CLOSE_BRACES_SIGN)
{
SyntaxError("}", t);
return;
}
pos = pos + 1;
}
private FXmlElement ParseTask()
{
Token t = GetTokenAtPos(pos);
if (t == null || t.Type != TokenType.ID)
{
SyntaxError("element", t);
return(null);
}
// Create element
FXmlElement element = new FXmlElement {
Name = t.Value
};
pos = pos + 1;
Token next = GetTokenAtPos(pos);
Token next2 = GetTokenAtPos(pos + 1);
if (next != null && next.Type == TokenType.OPEN_BRACES_SIGN)
{
ParseContext(element);
}
else if (next != null && next2 != null && next.Type == TokenType.ID && next2.Type == TokenType.ASSIGN_SIGN)
{
ParseAttributes(element);
}
return(element);
}
private IEnumerable <FXmlElement> ParseStatements()
{
List <FXmlElement> elements = new List <FXmlElement>();
Token t = GetTokenAtPos(pos);
while (t != null && t.Type == TokenType.ID)
{
FXmlElement e = ParseTask();
t = GetTokenAtPos(pos);
elements.Add(e);
}
return(elements);
}
private void ParseAttributes(FXmlElement element)
{
Token t1 = GetTokenAtPos(pos);
Token t2 = GetTokenAtPos(pos + 1);
Token t3 = GetTokenAtPos(pos + 2);
if (t1 == null || t1.Type != TokenType.ID)
{
SyntaxError("attribute", t1);
return;
}
if (t2 == null || t2.Type != TokenType.ASSIGN_SIGN)
{
SyntaxError("attribute", t2);
return;
}
if (t3 == null || t3.Type != TokenType.LITERAL)
{
SyntaxError("attribute", t3);
return;
}
// Add attributes
element.FXmlAttributes.Add(t1.Value, t3.Value);
pos = pos + 3;
Token next = GetTokenAtPos(pos);
Token next2 = GetTokenAtPos(pos + 1);
if (next != null && next.Type == TokenType.OPEN_BRACES_SIGN)
{
ParseContext(element);
}
else if (next != null && next2 != null && next.Type == TokenType.ID && next2.Type == TokenType.ASSIGN_SIGN)
{
ParseAttributes(element);
}
}