/// <summary>
/// Handler of general containers.
/// Moving upward from deepest container.
///
/// $(name) or $(name:project) or $([MSBuild]::MakeRelative($(path1), ...):project) ..
/// https://msdn.microsoft.com/en-us/library/vstudio/dd633440%28v=vs.120%29.aspx
/// </summary>
/// <param name="data"></param>
/// <param name="sh"></param>
/// <param name="limit">Limitation to containers. Aborts if reached</param>
/// <exception cref="LimitException"></exception>
/// <returns></returns>
protected string containerIn(string data, StringHandler sh, uint limit)
{
Regex con = RPattern.ContainerInCompiled;
int maxRep = 1; // rule of depth, e.g.: $(p1 = $(Platform))$(p2 = $(p1))$(p2)
//TODO: it's slowest but fully compatible with classic rules with minimal programming.. so, improve performance
references.Clear();
uint step = 0;
do
{
if (step++ > limit)
{
sh.flush();
throw new LimitException("Restriction of supported containers '{0}' reached. Aborted.", limit);
}
data = con.Replace(data,
delegate(Match m)
{
string raw = m.Groups[1].Value;
Log.Trace("containerIn: raw - `{0}`", raw);
return(evaluate(prepare(sh.recovery(raw))));
},
maxRep);
// protect before new checking
data = sh.protectEscContainer(sh.protectMixedQuotes(data));
} while(con.IsMatch(data));
return(data);
}
/// <summary>
/// Entry point to evaluating MSBuild data.
/// </summary>
/// <param name="data">mixed data</param>
/// <returns>All evaluated values for data</returns>
public virtual string parse(string data)
{
if (String.IsNullOrEmpty(data))
{
return(String.Empty); // convert to not null value
}
if (String.IsNullOrWhiteSpace(data))
{
return(data); // save all white-space characters
}
StringHandler sh = new StringHandler();
lock (_lock)
{
return(hquotes(
sh.recovery(
containerIn(
sh.protectEscContainer(
sh.protectMixedQuotes(data)
),
sh,
CONTAINERS_LIMIT
)
)
));
}
}