/// <summary>
/// Searches for a maxweight tag and returns the associated value.
///
/// http://wiki.openstreetmap.org/wiki/Key:maxweight
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryGetMaxWeight(this TagsCollectionBase tags, out Kilogram result)
{
result = double.MaxValue;
string tagValue;
if (tags == null || !tags.TryGetValue("maxweight", out tagValue) || Utilities.IsNullOrWhiteSpace(tagValue))
return false;
return TagExtensions.TryParseWeight(tagValue, out result);
}
/// <summary>
/// Tries to parse a weight value from a given tag-value.
/// </summary>
/// <param name="s"></param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryParseWeight(string s, out Kilogram result)
{
result = double.MaxValue;
if (Utilities.IsNullOrWhiteSpace(s))
return false;
Regex tonnesRegex = new Regex("^" + REGEX_DECIMAL + REGEX_UNIT_TONNES + "$", RegexOptions.IgnoreCase);
Match tonnesMatch = tonnesRegex.Match(s);
if (tonnesMatch.Success)
{
result = (Kilogram)(double.Parse(tonnesMatch.Groups[1].Value, CultureInfo.InvariantCulture) * 1000);
return true;
}
return false;
}
/// <summary>
/// Searches for a max axle load tag and returns the associated value.
///
/// http://wiki.openstreetmap.org/wiki/Key:maxaxleload
/// </summary>
/// <param name="tags">The tags to search.</param>
/// <param name="result"></param>
/// <returns></returns>
public static bool TryGetMaxAxleLoad(this TagsCollection tags, out Kilogram result)
{
result = double.MaxValue;
string tagValue;
if (tags == null || !tags.TryGetValue("maxaxleload", out tagValue) || string.IsNullOrWhiteSpace(tagValue))
return false;
return TagExtensions.TryParseWeight(tagValue, out result);
}
