public static TableSpec Parse(StringScanner p)
{
// Leading line space allowed
p.SkipLinespace();
// Quick check for typical case
if (p.current != '|' && p.current != ':' && p.current != '-')
return null;
// Don't create the spec until it at least looks like one
TableSpec spec = null;
// Leading bar, looks like a table spec
if (p.SkipChar('|'))
{
spec=new TableSpec();
spec.LeadingBar=true;
}
// Process all columns
while (true)
{
// Parse column spec
p.SkipLinespace();
// Must have something in the spec
if (p.current == '|')
return null;
bool AlignLeft = p.SkipChar(':');
while (p.current == '-')
p.SkipForward(1);
bool AlignRight = p.SkipChar(':');
p.SkipLinespace();
// Work out column alignment
TableCellAlignment col = TableCellAlignment.NA;
if (AlignLeft && AlignRight)
col = TableCellAlignment.Center;
else if (AlignLeft)
col = TableCellAlignment.Left;
else if (AlignRight)
col = TableCellAlignment.Right;
if (p.eol)
{
// Not a spec?
if (spec == null)
return null;
// Add the final spec?
spec.Columns.Add(col);
return spec;
}
// We expect a vertical bar
if (!p.SkipChar('|'))
return null;
// Create the table spec
if (spec==null)
spec=new TableSpec();
// Add the column
spec.Columns.Add(col);
// Check for trailing vertical bar
p.SkipLinespace();
if (p.eol)
{
spec.TrailingBar = true;
return spec;
}
// Next column
}
}
internal bool StartTable(TableSpec spec, List<Block> lines)
{
// Rewind, parse the header row then fast forward back to current pos
if (lines.Count >= 1)
{
int savepos = position;
position = lines[0].lineStart;
for (var i = 0; i < lines.Count; i++) {
var row = spec.ParseRow(this);
if (row == null) break;
spec.Headers.Add(row);
}
if (spec.Headers.Count != lines.Count) return false;
position = savepos;
lines.Clear();
}
// Parse all rows
while (true)
{
int savepos = position;
var row=spec.ParseRow(this);
if (row!=null)
{
spec.Rows.Add(row);
continue;
}
position = savepos;
break;
}
return true;
}