public static PathOptimizer <string> ForXPaths(XElement xml, string xpath, XPathPartGenerator[] nodeReplacers, XPathScoreRule[] scoreRules, int desiredCount)
{
int i = 0;
int len = XPathFinder.Split(xpath).Length;
int timesFindAllShortenedPathsCalled = 0;
return(new PathOptimizer <string>(
nextNodesGetter: (p) =>
{
if (i < len)
{
var results = XPathFinder.FindXpathsWithReplacedNode(XPathFinder.Split(p), i, xml, nodeReplacers);
return results.Select(r => XPathFinder.Merge(r));
}
else
{
var results = XPathFinder.FindAllShortenedPaths(p, xml);
return results;
}
},
scoreMeasurer: (p) => XPathScorer.GetScore(p, scoreRules),
onIterationFinished: () =>
{
if (i < len)
{
i++;
}
else
{
timesFindAllShortenedPathsCalled++;
}
},
checkFinished: () => timesFindAllShortenedPathsCalled >= desiredCount));
}
private static IEnumerable <string> DoOptiize(XElement xml, string path, int count,
XPathPartGenerator[] xPathPartGenerators,
XPathScoreRule[] scoreRules)
{
PathOptimizer <string> pathOptimizer = PathOptimizerFactory.ForXPaths(xml, path, xPathPartGenerators, scoreRules, count);
var bestPaths = pathOptimizer.FindBest(path, count);
foreach (var scoredPath in XPathScorer.GetScoredXPaths(bestPaths, bestPaths.Count(), scoreRules))
{
yield return(string.Format("{0:0.000} => {1}", scoredPath.Value, scoredPath.Key));
}
}
