public void WriteBlock(CssBlock block, int level)
{
var prevScope = scope;
writer.Write("{"); // Block start
var condenced = false;
var count = 0;
// Write the declarations
foreach (var node in block.Children) // TODO: Change to an immutable list?
{
if (node.Kind == NodeKind.Include)
{
var b2 = new CssBlock(NodeKind.Block);
b2.Add(node);
scope = ExpandInclude((IncludeNode)node, b2);
foreach (var rule in b2.OfType<CssRule>())
{
writer.WriteLine();
WriteRule(rule, level + 1);
count++;
}
}
else if (node.Kind == NodeKind.Declaration)
{
var declaration = (CssDeclaration)node;
if (block.Children.Count == 1 && !declaration.Info.NeedsExpansion(declaration, browserSupport))
{
condenced = true;
writer.Write(" ");
WriteDeclaration(declaration, 0);
}
else
{
if (count == 0) writer.WriteLine();
WritePatchedDeclaration(declaration, level + 1);
}
}
else if (node.Kind == NodeKind.Rule) // Nested rule
{
if (count == 0) writer.WriteLine();
var childRule = (CssRule)node;
WriteRule(childRule, level + 1);
}
else if (node.Kind == NodeKind.If)
{
EvaluateIf((IfBlock)node, level + 1);
}
if (!condenced)
{
writer.WriteLine();
}
count++;
}
// Limit to declaration
if (condenced)
{
writer.Write(" ");
}
else
{
Indent(level);
}
writer.Write("}"); // Block end
prevScope = scope;
}
public CssBlock ReadBlock(CssBlock block)
{
var blockStart = Read(TokenKind.BlockStart, LexicalMode.Block); // Read {
ReadTrivia();
while(current.Kind != TokenKind.BlockEnd)
{
if (isEnd) throw new UnbalancedBlock(LexicalMode.Block, blockStart);
// A list of delarations or blocks
if (current.Kind == TokenKind.AtSymbol)
{
Read(); // Read @
var name = tokenizer.Read(); // Name
switch (name.Text)
{
case "include" : block.Add(ReadInclude()); continue;
case "if" : block.Add(ReadIfRule()); continue;
}
}
if (current.Kind == TokenKind.Dollar)
{
block.Add(ReadAssignment());
continue;
}
var statement = ReadSpan();
switch (current.Kind)
{
case TokenKind.Colon : block.Add(ReadDeclarationFromName(statement)); break; // DeclarationName
case TokenKind.BlockStart : block.Add(ReadRuleBlock(new CssSelector(statement))); break;
case TokenKind.BlockEnd : break;
// TODO: Figure out where we missed reading the semicolon TEMP
case TokenKind.Semicolon : tokenizer.Read(); break;
default: throw new UnexpectedTokenException(LexicalMode.Block, current);
}
}
tokenizer.Read(); // read }
block.Trailing = ReadTrivia();
return block;
}
