public ChainingInfo[] ValidateSequence()
{
ChainingInfo[] childrenChainingInfos = Elements.Select(e => e.Validate()).ToArray();
int n = childrenChainingInfos.Length - 1;
for (int i = 0; i < n; i++)
{
ChainingInfo info = childrenChainingInfos[i];
if (info.CanBeEmpty)
{
if (info.StartsWithItemMatch !=
childrenChainingInfos[i + 1].StartsWithItemMatch)
{
throw new RegexValidationException(Elements.ElementAt(i), Elements.ElementAt(i + 1),
"Element after possibly empty element must also start with " + (info.EndsWithItemMatch ? "item" : "dependency"));
}
}
for (int j = i + 1; j <= n && (j - 1 == i || childrenChainingInfos[j - 1].CanBeEmpty); j++)
{
if (info.EndsWithItemMatch == childrenChainingInfos[j].StartsWithItemMatch)
{
throw new RegexValidationException(Elements.ElementAt(i), Elements.ElementAt(j),
"Missing " + (info.EndsWithItemMatch ? "dependency" : "item") +
"between possible adjacent patterns");
}
}
}
return(childrenChainingInfos);
}
public ChainingInfo[] ValidateMultiple()
{
ChainingInfo[] childrenChainingInfos = ValidateSequence();
ChainingInfo first = childrenChainingInfos.First();
if (childrenChainingInfos.Last().EndsWithItemMatch == first.StartsWithItemMatch)
{
throw new RegexValidationException(Elements.Last(), Elements.First(),
"Repeated sequence ends and starts with " + (first.StartsWithItemMatch ? "item" : "dependency") +
" pattern");
}
return(childrenChainingInfos);
}
public PathRegex(string s, Dictionary <string, ItemMatch> definedItemMatches,
Dictionary <string, DependencyMatch> definedDependencyMatches, bool ignoreCase)
{
_definedItemMatches = definedItemMatches;
_definedDependencyMatches = definedDependencyMatches;
_ignoreCase = ignoreCase;
RegexElement e = Parse(s, 0);
ChainingInfo topChainingInfo = e.Validate();
if (!topChainingInfo.StartsWithItemMatch)
{
throw new RegexValidationException(e, null, "Path regex must start with item match");
}
if (!topChainingInfo.EndsWithItemMatch)
{
throw new RegexValidationException(e, null, "Path regex must end with item match");
}
_rootExecutionNode = e.CreateDeterministicExecutionGraph();
}
