static string Render(Directive dir, int nesting)
{
string start = "";
for (int i = 0; i < nesting; i++)
{
start += "\t";
}
switch (dir.Type)
{
case DirectiveType.Charset: return(RenderCharSet(dir, start));
case DirectiveType.Page: return(RenderPage(dir, start));
case DirectiveType.Media: return(RenderMedia(dir, nesting));
case DirectiveType.Import: return(RenderImport(dir));
case DirectiveType.FontFace: return(RenderFontFace(dir, start));
}
System.Text.StringBuilder txt = new System.Text.StringBuilder();
txt.AppendFormat("<span class=\"directive_name\">{0}</span> ", dir.Name);
if (dir.Expression != null)
{
txt.AppendFormat("<span class=\"expression\">{0}</span> ", dir.Expression);
}
bool first = true;
foreach (Medium m in dir.Mediums)
{
if (first)
{
first = false;
}
else
{
txt.Append(", ");
}
txt.AppendFormat(" <span class=\"medium\">{0}</span>", m.ToString());
}
bool HasBlock = (dir.Declarations.Count > 0 || dir.Directives.Count > 0 || dir.RuleSets.Count > 0);
if (!HasBlock)
{
txt.Append(";");
return(txt.ToString());
}
txt.Append(" {\r\n" + start);
foreach (Directive dr in dir.Directives)
{
txt.AppendFormat("<span class=\"directive\">{0}</span>\r\n", Render(dr, nesting + 1));
}
foreach (RuleSet rules in dir.RuleSets)
{
txt.AppendFormat("<span class=\"ruleset\">{0}</span>\r\n", rules.ToString(nesting + 1));
}
first = true;
foreach (Declaration dec in dir.Declarations)
{
if (first)
{
first = false;
}
else
{
txt.Append(";");
}
txt.Append("\r\n\t" + start);
txt.AppendFormat("<span class=\"declaration\">{0}</span>", Render(dec));
}
txt.Append("\r\n}");
return(txt.ToString());
}
static string RenderCharSet(Directive dir, string start)
{
return(string.Format("{2}<span class=\"directive_name\">{0}</span> <span class=\"expression\">{1}</span>", dir.Name, Render(dir.Expression), start));
}
static string Render(Directive dir)
{
return(Render(dir, 0));
}
void directive(out Directive dir)
{
dir = new Directive();
Declaration dec = null;
RuleSet rset = null;
Expression exp = null;
Directive dr = null;
string ident = null;
Medium m;
Expect(24);
identity(out ident);
dir.Name = "@" + ident;
switch (dir.Name.ToLower())
{
case "@media": dir.Type = DirectiveType.Media; break;
case "@import": dir.Type = DirectiveType.Import; break;
case "@charset": dir.Type = DirectiveType.Charset; break;
case "@page": dir.Type = DirectiveType.Page; break;
case "@font-face": dir.Type = DirectiveType.FontFace; break;
case "@namespace": dir.Type = DirectiveType.Namespace; break;
default: dir.Type = DirectiveType.Other; break;
}
while (la.kind == 4)
{
Get();
}
if (StartOf(4))
{
if (StartOf(5))
{
medium(out m);
dir.Mediums.Add(m);
while (la.kind == 4)
{
Get();
}
while (la.kind == 25)
{
Get();
while (la.kind == 4)
{
Get();
}
medium(out m);
dir.Mediums.Add(m);
while (la.kind == 4)
{
Get();
}
}
}
else
{
expr(out exp);
dir.Expression = exp;
while (la.kind == 4)
{
Get();
}
}
}
if (la.kind == 26)
{
Get();
while (la.kind == 4)
{
Get();
}
if (StartOf(6))
{
while (StartOf(1))
{
if (dir.Type == DirectiveType.Page || dir.Type == DirectiveType.FontFace)
{
declaration(out dec);
dir.Declarations.Add(dec);
while (la.kind == 4)
{
Get();
}
while (la.kind == 27)
{
Get();
while (la.kind == 4)
{
Get();
}
if (la.val.Equals("}"))
{
Get(); return;
}
declaration(out dec);
dir.Declarations.Add(dec);
while (la.kind == 4)
{
Get();
}
}
if (la.kind == 27)
{
Get();
while (la.kind == 4)
{
Get();
}
}
}
else if (StartOf(2))
{
ruleset(out rset);
dir.RuleSets.Add(rset);
while (la.kind == 4)
{
Get();
}
}
else
{
directive(out dr);
dir.Directives.Add(dr);
while (la.kind == 4)
{
Get();
}
}
}
}
Expect(28);
while (la.kind == 4)
{
Get();
}
}
else if (la.kind == 27)
{
Get();
while (la.kind == 4)
{
Get();
}
}
else
{
SynErr(49);
}
}
