public static Text SaveLayout(LayoutTree layout)
{
List<string> strings = new List<string>();
SaveNode(layout.Root, strings, "");
return new Text(strings.ToArray());
}
public static LayoutTree BuildLayout(Text source)
{
int length = source.Length;
StringBuilder processed = new StringBuilder();
for (int i = 0; i < length; i++)
{
String preprocessed = source[i];
// State flags
bool quote = false;
bool array = false;
bool script = false;
bool comment = false;
bool followsRightBracket = false;
// Filter out all non-quote whitespace, turn
// semicolons into empty brackets, and clear comments.
for (int j = 0; j < preprocessed.Length; j++)
{
if (quote && preprocessed[j] != '\"')
{
processed.Append(preprocessed[j]);
continue;
}
switch (preprocessed[j])
{
case '\"':
quote = !quote;
break;
case '[':
array = true;
processed.Append('[');
break;
case ']':
array = false;
processed.Append(']');
break;
case ' ':
break;
case ',':
if (array)
processed.Append(',');
else if (!followsRightBracket)
processed.Append("()");
break;
case ')':
processed.Append("())");
followsRightBracket = true;
break;
case '#':
comment = true;
break;
default:
processed.Append(preprocessed[j]);
followsRightBracket = false;
break;
}
if (comment)
break;
}
#if DEBUG
if (quote)
Console.WriteLine("LayoutEngine WARNING: No matching endquote on line {0}.", i);
#endif
}
// Dummy node because the root has not yet been born
LayoutTreeNode dummy = new LayoutTreeNode("dummy", "dummy");
Parse(processed.ToString(), dummy);
LayoutTree layoutTree = new LayoutTree();
layoutTree.Root = dummy.Children.First.Value;
#if DEBUG
Console.WriteLine("------------\r\n" + layoutTree.RepresentativeString + "------------");
if (dummy.Children.Count > 1)
Console.WriteLine("LayoutEngine WARNING: {0} top-level nodes found... the last {1} will be ignored.", dummy.Children.Count, dummy.Children.Count - 1);
#endif
return layoutTree;
}