public static bool TryParseStreetAddress(string input, out StreetAddressSyntaxNode result)
{
var tokens = Tokenizer.Tokenize(input).Reverse().ToImmutableArray();
var state = new ParserState(tokens);
var success = TryParseStreetAddress(ref state, out var syntax) && state.Current.IsNone;
result = success ? syntax : null;
return(success);
}
private static bool TryParseStreetAddress(ref ParserState state, out StreetAddressSyntaxNode result)
{
result = default;
var snapshot = state;
TryParseSecondaryAddress(ref state, out var secondaryAddress);
if (!TryParseSecondaryAddress(ref state, out _))
{
var gotPostDirectional = TryParseDirectional(ref state, out var postDirectional);
var gotSuffix = TryParseStreetSuffix(ref state, out var suffix);
var primaryNameTokens = state.Tokens.Skip(state.Index).ToImmutableArray();
state = new ParserState(state.Tokens, state.Tokens.Length);
if (TryParseFromEnd <RangeSyntaxNode>(ref primaryNameTokens, out var addressNumber, TryParseRange) &&
addressNumber.Components.Any(c => c.IsNumeric))
{
var gotPreDirectional = TryParseFromEnd <DirectionalSyntaxNode>(ref primaryNameTokens, out var preDirectional, TryParseDirectional);
primaryNameTokens = primaryNameTokens.Reverse().ToImmutableArray();
if (primaryNameTokens.All(t => t.IsWhiteSpace))
{
if (gotSuffix && !gotPreDirectional)
{
primaryNameTokens = suffix.Tokens.ToImmutableArray();
suffix = null;
}
else if (gotPostDirectional)
{
primaryNameTokens = postDirectional.Tokens.ToImmutableArray();
postDirectional = null;
}
else if (gotPreDirectional)
{
primaryNameTokens = preDirectional.Tokens.ToImmutableArray();
preDirectional = null;
}
}
if (primaryNameTokens.Length >= 3)
{
var token0 = primaryNameTokens[0];
var token2 = primaryNameTokens[2];
if (token0.Matches("CO") || token0.Matches("CTY") || token0.Matches("COUNTY"))
{
if (token2.Matches("RD") || token2.Matches("ROAD"))
{
primaryNameTokens
= primaryNameTokens
.SetItem(0, token0.WithValue("COUNTY"))
.SetItem(2, token0.WithValue("ROAD"));
}
}
}
if (!primaryNameTokens.IsEmpty)
{
result = new StreetAddressSyntaxNode(
addressNumber,
preDirectional,
primaryNameTokens,
suffix,
postDirectional,
secondaryAddress);
return(true);
}
}
}
state = snapshot;
return(false);
}