public static int Part2(string input)
{
var inp = input.Split("\n\n");
var rules = inp[0].Split("\n");
var realIn = inp[1].Split("\n");
Dictionary <int, string> splitRules = new();
foreach (var(i, r) in rules.Select(s =>
{
var ss = s.Split(": ");
return(int.Parse(ss[0]), ss[1]);
}))
{
splitRules.Add(i, r);
}
splitRules[8] = "42 | 42 8";
splitRules[11] = "42 31 | 42 11 31";
Dictionary <int, Parser> parsers = new();
Parser GetParser(int indx)
{
if (parsers.ContainsKey(indx))
{
return(parsers[indx]);
}
parsers[indx] = inp => GetParser(indx)(inp);
parsers[indx] = Alt((from seq in splitRules[indx].Split(" | ")
select Seq((from i in seq.Split(" ")
select int.TryParse(i, out var n) ? GetParser(n) : Literal(i.Trim('"'))).ToList()))
.ToList());
return(parsers[indx]);
}
Parser Alt(List <Parser> parsers) =>
parsers.Count == 1
? parsers.Single()
: input => from parser in parsers.ToArray() from rest in parser(input) select rest;
Parser Seq(List <Parser> parsers) =>
parsers.Count == 1
? parsers.Single()
: inpt => from tail in parsers.First()(inpt)
from rest in Seq(parsers.Skip(1).ToList())(tail)
select rest;
Parser Literal(string st) =>
inpt => inpt.StartsWith(st) ? new[] { inpt.Substring(st.Length) } : new string[0];
var parser = GetParser(0);
return(realIn.Count(data => parser(data).Any(st => st == "")));
}
public static bool TryParse(string s, out Activity result)
{
result = null;
if (string.IsNullOrWhiteSpace(s))
{
return(false);
}
var items = s.Split(new char[] { ' ' }, 3);
if (items.Length != 3)
{
return(false);
}
var dT = new Timestamp();
if (!long.TryParse(items[0], out dT.Milliseconds))
{
return(false);
}
int type;
if (!int.TryParse(items[1], out type))
{
return(false);
}
Category cat = Categories.get(type);
if (cat == null)
{
return(false);
}
IData data;
if (!GetParser(cat)(items[2], out data))
{
return(false);
}
result = new Activity()
{
Timestamp = dT, Type = cat, Info = data
};
return(true);
}
private string ReplaceTokens(string s)
{
if (s.IndexOf("(!") == -1)
{
return(s);
}
string tmpS = string.Empty;
// process SKIN specific tokens here only:
s = s.Replace("(!SECTION_TITLE!)", SectionTitle);
if (SectionTitle.Length != 0)
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "<div align=\"left\"><span class=\"SectionTitleText\">" + SectionTitle + "</span><br/><small> </small></div>");
}
else
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "");
}
s = s.Replace("(!METATITLE!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SETitle), m_SETitle, m_SETitle.ToHtmlEncode()));
s = s.Replace("(!METADESCRIPTION!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEDescription), m_SEDescription, m_SEDescription.ToHtmlEncode()));
s = s.Replace("(!METAKEYWORDS!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEKeywords), m_SEKeywords, m_SEKeywords.ToHtmlEncode()));
s = s.Replace("(!SENOSCRIPT!)", m_SENoScript);
s = GetParser.ReplaceTokens(s);
return(s);
}
private string ReplaceTokens(String s)
{
if (s.IndexOf("(!") == -1)
{
return(s);
}
// process SKIN specific tokens here only:
s = s.Replace("(!SECTION_TITLE!)", SectionTitle);
if (SectionTitle.Length != 0)
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "<div align=\"left\"><span class=\"SectionTitleText\">" + SectionTitle + "</span><small> </small></div>");
if (AppLogic.IsAdminSite)
{
s = s.Replace("class=\"SectionTitleText\"", "class=\"breadCrumb3\"");
}
}
else
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "");
}
s = s.Replace("(!METATITLE!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SETitle), m_SETitle, HttpContext.Current.Server.HtmlEncode(m_SETitle)));
s = s.Replace("(!METADESCRIPTION!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEDescription), m_SEDescription, HttpContext.Current.Server.HtmlEncode(m_SEDescription)));
s = s.Replace("(!METAKEYWORDS!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEKeywords), m_SEKeywords, HttpContext.Current.Server.HtmlEncode(m_SEKeywords)));
s = GetParser.ReplaceTokens(s);
return(s);
}
private string ReplaceTokens(String s)
{
if (s.IndexOf("(!") == -1)
{
return(s);
}
String tmpS = String.Empty;
// process SKIN specific tokens here only:
s = s.Replace("(!SECTION_TITLE!)", SectionTitle);
if (SectionTitle.Length != 0)
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "<div align=\"left\"><span class=\"SectionTitleText\">" + SectionTitle + "</span><small> </small></div>");
if (AppLogic.IsAdminSite)
{
s = s.Replace("class=\"SectionTitleText\"", "class=\"breadCrumb3\"");
}
}
else
{
s = s.Replace("(!SUPERSECTIONTITLE!)", "");
}
s = s.Replace("(!METATITLE!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SETitle), m_SETitle, HttpContext.Current.Server.HtmlEncode(m_SETitle)));
s = s.Replace("(!METADESCRIPTION!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEDescription), m_SEDescription, HttpContext.Current.Server.HtmlEncode(m_SEDescription)));
s = s.Replace("(!METAKEYWORDS!)", CommonLogic.IIF(CommonLogic.StringIsAlreadyHTMLEncoded(m_SEKeywords), m_SEKeywords, HttpContext.Current.Server.HtmlEncode(m_SEKeywords)));
s = s.Replace("(!SENOSCRIPT!)", m_SENoScript);
if (m_GraphicsColor.Length == 0)
{
m_GraphicsColor = AppLogic.AppConfig("GraphicsColorDefault");
if (m_GraphicsColor.Length == 0)
{
m_GraphicsColor = String.Empty;
}
}
if (m_ContentsBGColor.Length == 0)
{
m_ContentsBGColor = AppLogic.AppConfig("ContentsBGColorDefault");
if (m_ContentsBGColor.Length == 0)
{
m_ContentsBGColor = "#FFFFFF";
}
}
if (m_PageBGColor.Length == 0)
{
m_PageBGColor = AppLogic.AppConfig("PageBGColorDefault");
if (m_PageBGColor.Length == 0)
{
m_PageBGColor = "#FFFFFF";
}
}
s = s.Replace("(!GRAPHICSCOLOR!)", m_GraphicsColor);
s = s.Replace("(!CONTENTSBGCOLOR!)", m_ContentsBGColor);
s = s.Replace("(!PAGEBGCOLOR!)", m_PageBGColor);
s = GetParser.ReplaceTokens(s);
return(s);
}
