/// <summary>
/// Matches a source string to a target variant according to the current culture and the specified rule.
/// </summary>
/// <param name="source">The source string.</param>
/// <param name="target">The target string.</param>
/// <param name="rule">The rule which defines how to perform the match.</param>
/// <returns>The variant of <paramref name="source"/> which is the best match for <paramref name="target"/> according to the specified rule.</returns>
public static String MatchVariant(LocalizedString source, LocalizedStringVariant target, String rule)
{
Contract.Require(target, nameof(target));
Contract.RequireNotEmpty(rule, nameof(rule));
return(MatchVariantInternal(CurrentCulture, CurrentLanguage, source, target, rule));
}
/// <summary>
/// Matches a source string to a target variant according to the specified culture and rule.
/// </summary>
/// <param name="culture">The culture for which to perform the match.</param>
/// <param name="source">The source string.</param>
/// <param name="target">The target string.</param>
/// <param name="rule">The rule which defines how to perform the match.</param>
/// <returns>The variant of <paramref name="source"/> which is the best match for <paramref name="target"/> according to the specified rule.</returns>
public static String MatchVariant(String culture, LocalizedString source, LocalizedStringVariant target, String rule)
{
Contract.RequireNotEmpty(culture, nameof(culture));
Contract.Require(target, nameof(target));
Contract.RequireNotEmpty(rule, nameof(rule));
return(MatchVariantInternal(culture, null, source, target, rule));
}
/// <summary>
/// Matches a source string to a target variant according to the specified culture and rule.
/// </summary>
private static String MatchVariantInternal(String culture, String language, LocalizedString source, LocalizedStringVariant target, StringSegment rule)
{
if (registeredMatchEvaluatorByCulture.TryGetValue(culture, out var registry))
{
foreach (var kvp in registry)
{
if (rule.Equals(kvp.Key))
{
return((kvp.Value == null) ? null : kvp.Value(source, target));
}
}
}
if (language != null)
{
if (registeredMatchEvaluatorsByLanguage.TryGetValue(language, out registry))
{
foreach (var kvp in registry)
{
if (rule.Equals(kvp.Key))
{
return((kvp.Value == null) ? null : kvp.Value(source, target));
}
}
}
}
return(null);
}
/// <summary>
/// Matches a source string to a target variant according to the specified culture and rule.
/// </summary>
private static String MatchVariantInternal(String culture, String language, LocalizedString source, LocalizedStringVariant target, String rule)
{
if (registeredMatchEvaluatorByCulture.TryGetValue(culture, out var registry))
{
if (registry.TryGetValue(rule, out var evaluator))
{
return(evaluator(source, target));
}
}
if (language != null)
{
if (registeredMatchEvaluatorsByLanguage.TryGetValue(language, out registry))
{
if (registry.TryGetValue(rule, out var evaluator))
{
return(evaluator(source, target));
}
}
}
return(null);
}
/// <summary>
/// Matches a source string to a target variant according to the specified culture and rule.
/// </summary>
/// <param name="culture">The culture for which to perform the match.</param>
/// <param name="source">The source string.</param>
/// <param name="target">The target string.</param>
/// <param name="rule">The rule which defines how to perform the match.</param>
/// <returns>The variant of <paramref name="source"/> which is the best match for <paramref name="target"/> according to the specified rule.</returns>
public static String MatchVariant(String culture, LocalizedString source, LocalizedStringVariant target, StringSegment rule)
{
return(MatchVariantInternal(culture, null, source, target, rule));
}
/// <summary>
/// Adds an argument to the string formatter.
/// </summary>
/// <param name="value">The value to add as an argument.</param>
public void AddArgument(LocalizedStringVariant value)
{
arguments.Add(new StringFormatterArgument(value));
}
