protected override void AddFragment(GenSegBody body, GenFragment frag)
{
Contract.Assert(!body.Fragment.Contains(frag), "Fragment added to body again");
body.Add(frag);
}
private void ScanBlockParams(GenSegBody body, GenContainerFragmentBase parentContainer, Function function,
FragmentBody fragmentBody)
{
Scan.ScanWhile(ScanReader.WhiteSpace);
if (Scan.CheckChar(Scan.Delimiter))
{
Scan.SkipChar();
}
var t = Scan.ScanTokenType();
while (t != TokenType.Close)
{
string s;
if (t != TokenType.Unknown && t != TokenType.Name)
{
// Parameter starts with a delimiter
if (t != TokenType.Close && t != TokenType.Unknown)
{
// Scan contained block
GenTextBlock textBlock = null;
var frag = ScanFragment(GenDataDef.CurrentClassId, ref t, out s, parentContainer, fragmentBody,
ref textBlock, true);
body.Add(frag ?? textBlock);
// Skip blank parameter separators
s = s.TrimStart();
if (s != "")
{
body.Add(
new GenTextFragment(new GenTextFragmentParams(GenDataDef, parentContainer,
s)));
}
t = Scan.ScanTokenType();
}
}
else
{
// Parameter starts without a delimiter
var block = new GenBlock(new GenFragmentParams(GenDataDef, parentContainer));
s = Scan.CheckChar('\'') ? Scan.ScanQuotedString() : Scan.ScanUntil(_parameterSeparator);
while (Scan.CheckChar(' '))
{
Scan.SkipChar();
}
// Scan for Text and Placeholders
var i = s.IndexOf(Scan.Delimiter);
while (i != -1)
{
var w = s.Substring(0, i - 1); // Text up to first delimiter
s = s.Substring(i + 1); // Text after first delimeter
if (s != "")
{
// Some text after the first delimiter
i = s.IndexOf(Scan.Delimiter); // Position of next delimiter
if (i != -1)
{
if (w != "")
{
// Add Text up to first delimiter
block.Body.Add(
new GenTextFragment(new GenTextFragmentParams(GenDataDef,
parentContainer, w)));
}
w = s.Substring(0, i - 1); // Text between initial two delimiters
block.Body.Add(
new GenPlaceholderFragment(new GenPlaceholderFragmentParams(GenDataDef, parentContainer, GenDataDef.GetId(w))));
s = s.Substring(i + 1);
i = s.IndexOf(Scan.Delimiter);
}
else
{
// No matching delimiter: output delimiter with text
block.Body.Add(
new GenTextFragment(new GenTextFragmentParams(GenDataDef,
parentContainer, w + Scan.Delimiter + s)));
s = "";
}
}
else
{
// No text after initial delimiter: output delimiter with text
block.Body.Add(
new GenTextFragment(new GenTextFragmentParams(GenDataDef, parentContainer,
w + Scan.Delimiter)));
i = -1;
}
}
if (s != "" || block.Body.Count == 0)
{
// Text without placeholders
block.Body.Add(
new GenTextFragment(new GenTextFragmentParams(GenDataDef, block, s)));
}
body.Add(block);
if (Scan.CheckChar(Scan.Delimiter))
{
Scan.SkipChar();
}
t = Scan.ScanTokenType();
}
}
if (t == TokenType.Close)
{
Scan.SkipChar();
}
}