public static MatchingRuleOutput ToRuleOutput(this MatchingRuleItem item, IEnumerable <string> patternKeywords = null)
{
var ret = JsonConvert.DeserializeObject <MatchingRuleOutput>(JsonConvert.SerializeObject(item));
ret.Matches = patternKeywords?.ToList() ?? new List <string>();
return(ret);
}
/// <summary>
/// Add matching rule
/// </summary>
/// <param name="matchingRuleItem"></param>
public void Add(MatchingRuleItem matchingRuleItem)
{
switch (matchingRuleItem.Type)
{
case MatchingRuleType.Perfect:
var key = matchingRuleItem.KeyWords[0];
if (!Perfect.TryGetValue(key, out var list))
{
list = new List <MatchingRuleItem>();
Perfect[key] = list;
}
list.Add(matchingRuleItem);
break;
case MatchingRuleType.Contain:
var indexKeyWord = "";
foreach (var keyword in matchingRuleItem.KeyWords)
{
if (indexKeyWord.Length < keyword.Length)
{
indexKeyWord = keyword;
}
}
var indexKey = indexKeyWord.Substring(0, Math.Min(indexKeyWord.Length, MaxIndexLen));
if (!RuleItems.TryGetValue(indexKey, out var containRuleItems))
{
containRuleItems = new List <MatchingRuleItem>();
RuleItems[indexKey] = containRuleItems;
}
containRuleItems.Add(matchingRuleItem);
break;
default:
break;
}
}
/// <summary>
/// Add matching rule
/// </summary>
/// <param name="matchingRuleItem"></param>
public void Add(MatchingRuleItem matchingRuleItem)
{
var keywords = matchingRuleItem.KeyWords.SplitPatterns().ToList();
switch (matchingRuleItem.Type)
{
case MatchingRuleType.Perfect:
var key = keywords.First();
if (!key.IsPattern())
{
if (!Perfect.TryGetValue(key, out var list))
{
list = new List <MatchingRuleItem>();
Perfect[key] = list;
}
list.Add(matchingRuleItem);
}
else if (PatternToPhrases.TryGetValue(key, out var phrases))
{
foreach (var phrase in phrases)
{
if (!Perfect.TryGetValue(phrase, out var list))
{
list = new List <MatchingRuleItem>();
Perfect[phrase] = list;
}
list.Add(matchingRuleItem);
}
}
else
{
throw new KeyNotFoundException($"Pattern={key} is not found");
}
break;
case MatchingRuleType.Pattern:
case MatchingRuleType.Contain:
var indexKeyWord = keywords.First();
foreach (var keyword in keywords.Skip(1))
{
if (!keyword.IsPattern())
{
if (indexKeyWord.IsPattern())
{
indexKeyWord = keyword;
}
else
{
if (indexKeyWord.Length < keyword.Length)
{
indexKeyWord = keyword;
}
}
}
}
if (!indexKeyWord.IsPattern())
{
var indexKey = indexKeyWord.Substring(0, Math.Min(indexKeyWord.Length, MaxIndexLen));
if (!RuleItems.TryGetValue(indexKey, out var containRuleItems))
{
containRuleItems = new List <MatchingRuleItem>();
RuleItems[indexKey] = containRuleItems;
}
containRuleItems.Add(matchingRuleItem);
}
else if (PatternToPhrases.TryGetValue(indexKeyWord, out var phrases))
{
foreach (var phrase in phrases)
{
var indexKey = phrase.Substring(0, Math.Min(phrase.Length, MaxIndexLen));
if (!RuleItems.TryGetValue(indexKey, out var list))
{
list = new List <MatchingRuleItem>();
RuleItems[indexKey] = list;
}
list.Add(matchingRuleItem);
}
}
else
{
throw new KeyNotFoundException($"Pattern={indexKeyWord} is not found");
}
break;
}
}