/// <summary>
/// Check if content clean of bad words
/// </summary>
/// <param name="Content"></param>
/// <returns>True if content is allowed under policy</returns>
public bool isContentAllowed(string Content, BlockPhraseScope scope, out string reason)
{
string phraseContext = "";
var phrase = findBlockingPhrase(Content, scope, out phraseContext);
if (phrase == null)
{
reason = "content allowed, no phrase found in scope " + scope;
return(true);
}
else
{
reason = "content blocked because scope <*" + scope
+ "*> equal phrase <*" + phrase.ToString()
+ "*>, context: " + phraseContext;
return(false);
}
}
/// <summary>
/// Find the phrase that the content is blocked from using.
/// </summary>
/// <param name="Content">string chunk</param>
/// <returns>Null if no phrase rule is applicabalbe (allowed)</returns>
public PhraseFilter findBlockingPhrase(string Content, BlockPhraseScope scope, out string context)
{
PhraseFilter result = null;
List <string> Words = getWords(Content);
context = "";
for (int i = 0; i < BlockedPhrases.Count && (result == null); i++)
{
if (
// Any of the scope is ALL
scope == BlockPhraseScope.ANY ||
BlockedPhrases[i].Scope == BlockPhraseScope.ANY
// Scopes are equal:
|| BlockedPhrases[i].Scope == scope
)
{
switch (BlockedPhrases[i].Type)
{
case BlockPhraseType.CONTAIN:
case BlockPhraseType.REGEX:
if (checkPhraseFoundSimple(Content, BlockedPhrases[i], out context))
{
result = BlockedPhrases[i];
}
break;
case BlockPhraseType.EXACTWORD:
case BlockPhraseType.WORDCONTAINING:
if (checkPhraseFoundWord(Words, BlockedPhrases[i], out context))
{
result = BlockedPhrases[i];
}
break;
}
}
}
return(result);
}
