/// <summary>
/// Parses the given path and converts the various ** and * elements into
/// regular expressions for selection.
/// </summary>
private void ParseSelectors()
{
// Create a selector regex that matches the length.
operations = new object[Levels.Count];
for (int index = 0;
index < Levels.Count;
index++)
{
// Check for "**" by itself which means zero or more levels.
string level = Levels[index];
if (level == "**")
{
// Create a sub-tree of the selector and put it into this
// object.
operations[index] = new HierarchicalSelector(Levels, index + 1, true);
continue;
}
// Check for globbing operators ("*") which become ".*?" regex.
if (level.Contains("*"))
{
// Go through the string and convert all the "*" into regex.
var buffer = new StringBuilder();
for (int c = 0;
c < level.Length;
c++)
{
if (level[c] == '*')
{
buffer.Append(".*?");
}
else
{
buffer.Append(level[c]);
}
}
operations[index] = new Regex(buffer.ToString());
continue;
}
// For everything else, leave it null to indicate that a strict
// string is required.
operations[index] = null;
}
}
public void TestSingleStarMatch3()
{
var nr = new HierarchicalSelector("/*/*/*/c");
Assert.IsFalse(nr.IsMatch("/a/b/c"));
}
public void TestDoubleStarMatch()
{
var nr = new HierarchicalSelector("/**/c");
Assert.IsTrue(nr.IsMatch("/a/b/c"));
}
/// <summary>
/// Parses the given path and converts the various ** and * elements into
/// regular expressions for selection.
/// </summary>
private void ParseSelectors()
{
// Create a selector regex that matches the length.
operations = new object[Levels.Count];
for (int index = 0;
index < Levels.Count;
index++)
{
// Check for "**" by itself which means zero or more levels.
string level = Levels[index];
if (level == "**")
{
// Create a sub-tree of the selector and put it into this
// object.
operations[index] = new HierarchicalSelector(Levels, index + 1, true);
continue;
}
// Check for globbing operators ("*") which become ".*?" regex.
if (level.Contains("*"))
{
// Go through the string and convert all the "*" into regex.
var buffer = new StringBuilder();
for (int c = 0;
c < level.Length;
c++)
{
if (level[c] == '*')
{
buffer.Append(".*?");
}
else
{
buffer.Append(level[c]);
}
}
operations[index] = new Regex(buffer.ToString());
continue;
}
// For everything else, leave it null to indicate that a strict
// string is required.
operations[index] = null;
}
}
