/// ------------------------------------------------------------------------------------
/// <summary>
/// Removes ignored characters from the specified environment string.
/// </summary>
/// ------------------------------------------------------------------------------------
private static string RemoveIgnoredCharacters(string environment, CIEOptions cieOptions)
{
if (string.IsNullOrEmpty(environment))
{
return(null);
}
var ignoredList = cieOptions.SearchQuery.GetIgnoredCharacters();
var bldrEnv = new StringBuilder(environment);
// Get rid of all explicitly ignored characters (as opposed to
// getting rid of all characters that are considered diacritics).
bldrEnv = ignoredList.Aggregate(bldrEnv, (curr, ignoredChar) =>
curr.Replace(ignoredChar, string.Empty));
if (cieOptions.SearchQuery.IgnoreDiacritics)
{
// Loop through the characters in the environment string,
// getting rid of diacritics.
for (int i = bldrEnv.Length - 1; i >= 0; i--)
{
char chr = bldrEnv[i];
if (chr != App.kBottomTieBarC && chr != App.kTopTieBarC)
{
var info = App.IPASymbolCache[chr];
if (info != null && !info.IsBase)
{
bldrEnv.Remove(i, 1);
}
}
}
}
return(bldrEnv.ToString());
}
/// ------------------------------------------------------------------------------------
public CIEOptions Clone()
{
var options = new CIEOptions();
options.SearchQuery = SearchQuery.Clone();
options.Type = Type;
options.CieType = CieType;
return(options);
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Constructs an object to find the list of minimal pairs within the specified cache.
/// </summary>
/// ------------------------------------------------------------------------------------
public CIEBuilder(WordListCache cache, SortOptions sortOptions, CIEOptions cieOptions)
{
if (cache == null || cache.Count <= 2)
{
return;
}
Cache = cache;
CIEOptions = cieOptions;
_sortOptions = sortOptions.Copy();
_sortOptions.AdvSortOrder = (CIEOptions.Type == CIEOptions.IdenticalType.After ?
new[] { 2, 0, 1 } : new[] { 1, 0, 2 });
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// For the phonetic data in the specified entry, this method gets a pattern
/// appropriate to the CIE options.
/// </summary>
/// ------------------------------------------------------------------------------------
public static string GetCIESimilarPattern(WordListCacheEntry entry, CIEOptions cieOptions)
{
if (cieOptions.Type == CIEOptions.IdenticalType.After)
{
string env = GetPatternvalue(RemoveIgnoredCharacters(entry.EnvironmentAfter, cieOptions), CIEOptions.IdenticalType.After);
return("*__" + (string.IsNullOrEmpty(env) ? "#" : env));
}
if (cieOptions.Type == CIEOptions.IdenticalType.Before)
{
string env = GetPatternvalue(RemoveIgnoredCharacters(entry.EnvironmentBefore, cieOptions), CIEOptions.IdenticalType.Before);
return((string.IsNullOrEmpty(env) ? "#" : env) + "__*");
}
string before = GetPatternvalue(RemoveIgnoredCharacters(entry.EnvironmentBefore, cieOptions), CIEOptions.IdenticalType.Before);
string after = GetPatternvalue(RemoveIgnoredCharacters(entry.EnvironmentAfter, cieOptions), CIEOptions.IdenticalType.After);
return((string.IsNullOrEmpty(before) ? "#" : before) + "__" +
(string.IsNullOrEmpty(after) ? "#" : after));
}