private TemplateOperation ParseInternal(string str, params ArgumentDescription[] args)
{
LanguageProvider lp = new CSharpLanguageProvider();
lp.Start(args);
IndexToPosition lcf = new IndexToPosition(str);
int pos = 0;
int codeStart;
while (str.Length > pos && 0 <= (codeStart = str.IndexOf("<%", pos)))
{
if (pos < codeStart)
{
lp.Literal(str.Substring(pos, codeStart - pos), lcf.Find(pos));
}
pos = codeStart + 2;
bool isExprMode = false;
if (str.Length > pos && str[pos] == '=')
{
pos++;
isExprMode = true;
}
int endIndex = str.IndexOf("%>", pos);
if (endIndex == -1)
{
throw new TemplateCompilationException(
"Couldn't find a matching \"%>\"",
lcf.Find(pos)
);
}
Position sourcePos = lcf.Find(pos);
string code = str.Substring(pos, endIndex - pos);
if (isExprMode)
lp.Expression(code, sourcePos);
else
lp.Code(code, sourcePos);
pos = endIndex + 2;
// skip trailing CRLF? Only if the current code block is
// not in expression mode, and if there's no significant text
// on the same line as the <% or the %>.
if (!isExprMode
&& IsLinePrefixOnlyWhitespace(str, codeStart)
&& IsLineSuffixOnlyWhitespace(str, pos))
{
while (pos < str.Length && str[pos] != '\n')
pos++;
if (pos < str.Length)
pos++;
}
}
if (pos < str.Length)
{
lp.Literal(str.Substring(pos), lcf.Find(pos));
}
return lp.End();
}
private TemplateOperation ParseInternal(string str, params ArgumentDescription[] args)
{
LanguageProvider lp = new CSharpLanguageProvider();
lp.Start(args);
IndexToPosition lcf = new IndexToPosition(str);
int pos = 0;
int codeStart;
while (str.Length > pos && 0 <= (codeStart = str.IndexOf("<%", pos)))
{
if (pos < codeStart)
{
lp.Literal(str.Substring(pos, codeStart - pos), lcf.Find(pos));
}
pos = codeStart + 2;
bool isExprMode = false;
if (str.Length > pos && str[pos] == '=')
{
pos++;
isExprMode = true;
}
int endIndex = str.IndexOf("%>", pos);
if (endIndex == -1)
{
throw new TemplateCompilationException(
"Couldn't find a matching \"%>\"",
lcf.Find(pos)
);
}
Position sourcePos = lcf.Find(pos);
string code = str.Substring(pos, endIndex - pos);
if (isExprMode)
{
lp.Expression(code, sourcePos);
}
else
{
lp.Code(code, sourcePos);
}
pos = endIndex + 2;
// skip trailing CRLF? Only if the current code block is
// not in expression mode, and if there's no significant text
// on the same line as the <% or the %>.
if (!isExprMode &&
IsLinePrefixOnlyWhitespace(str, codeStart) &&
IsLineSuffixOnlyWhitespace(str, pos))
{
while (pos < str.Length && str[pos] != '\n')
{
pos++;
}
if (pos < str.Length)
{
pos++;
}
}
}
if (pos < str.Length)
{
lp.Literal(str.Substring(pos), lcf.Find(pos));
}
return(lp.End());
}