public static Person[] Extract(String input)
{
//Mr. John Smith, born on 2001/06/15
List <String> people = MyParser.GetEntries(input, @"(Mr|Mrs)\D+, born on \d{4}/((0\d)|(1[012]))/(([012]\d)|3[01])");
Person[] result = new Person[people.Count];
int i = 0;
foreach (String s in people)
{
Gender Gender = Gender.m;
String FirstName;
String LastName;
DateTime DateOfBirth;
String[] parts = s.Split(' ');
if (parts[0].Equals("Mrs."))
{
Gender = Gender.f;
}
FirstName = parts[1];
LastName = parts[2].Substring(0, parts[2].Length - 1);
DateOfBirth = DateTime.ParseExact(parts[5], "yyyy/MM/dd", System.Globalization.CultureInfo.InvariantCulture);
Person res = new Person(Gender, FirstName, LastName, DateOfBirth);
result[i++] = res;
}
return(result);
}
//examples:
// Mr. John Smith, born on 2001/06/15 (class Person)
// Company Microsoft (IT, USA) (class Company)
// FC Dynamo (Kyiv, Ukraine, est. 1927) (class FootballClub)
//
// to add other class you need to implement IComparable and to write an Extract method which parses input string into array of objects of that class
// you can use List<String> GetEntries(String input, String regexStr) to apply regex on input string and then parse each entry into object
// main() here just to locate it easier
public static void Main()
{
String s = " 123 abc Mr. John Smith, born on 2001/06/15 abc123 Company Microsoft (IT, USA) gdfgdf Mrs. Jane Smith, born on 1999/11/03 32 asd" +
"abc 123 FC Dynamo (Kyiv, Ukraine, est. 1927) asdad FC Dynamo (Kyiv, Ukraine, est. 1927)";
Extract[] ex = { Person.Extract, FootballClub.Extract, Company.Extract };
List <IComparable> res = MyParser.ParseAll(s, ex);
Console.WriteLine("input string:");
Console.WriteLine(s);
Console.WriteLine();
foreach (IComparable t in res)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
//removing duplicates is implemented by sorting collection by type, splitting it, removing duplicates from each type, merging back
List <IComparable> newres = RemoveDuplicates(res);
Console.WriteLine("removed duplicates:");
foreach (IComparable t in newres)
{
Console.WriteLine(t.ToString());
}
}
public static FootballClub[] Extract(String input)
{
List <String> clubs = MyParser.GetEntries(input, @"FC\D+\((\D+\d{4})\)");
FootballClub[] result = new FootballClub[clubs.Count];
int i = 0;
foreach (String s in clubs)
{
String name;
String country;
String city;
DateTime established;
String[] parts = s.Split(' ');
name = parts[1].Substring(0, parts[1].Length);
city = parts[2].Substring(1, parts[2].Length - 2);
country = parts[3].Substring(0, parts[3].Length - 1);
established = DateTime.ParseExact(parts[5].Substring(0, 4), "yyyy", System.Globalization.CultureInfo.InvariantCulture);
FootballClub res = new FootballClub(name, country, city, established);
result[i++] = res;
}
return(result);
}
// main methods: MyParser.SaveToXml(XmlWriteable), puts object into its directory in xml
// PersonFactory/FootballClubFactory/CompanyFactory.GetFromXml(path), get objects from xml,
//implement generic interface MyXmlReader (only writeable objects can be read from xml)
//xmlwriteable objects need to provide xml representation and file name
public static void Main()
{
String s = " 123 abc Mr. John Smith, born on 2001/06/15 abc123 Company Microsoft (IT, USA) gdfgdf Mrs. Jane Smith, born on 1999/11/03 32 asd" +
"abc 123 FC Dynamo (Kyiv, Ukraine, est. 1927) asdad FC Dynamo (Kyiv, Ukraine, est. 1927)";
Extract[] ex = { Person.Extract, FootballClub.Extract, Company.Extract };
List <IComparable> res = MyParser.ParseAll(s, ex);
foreach (IComparable t in res)
{
Console.WriteLine(t.ToString());
}
Console.WriteLine();
SaveToXml((Person)res[0]);
SaveToXml((FootballClub)res[2]);
SaveToXml((Company)res[4]);
Console.WriteLine("Saved [0],[2],[4] to xml (dirs Company, FootballClub, Person)");
PersonFactory pf = new PersonFactory();
FootballClubFactory fcf = new FootballClubFactory();
CompanyFactory cf = new CompanyFactory();
try
{
Person nsmith = pf.GetFromXml("Person/Smith.xml");
FootballClub ndyn = fcf.GetFromXml("FootballClub/Dynamo.xml");
Company ncomp = cf.GetFromXml("Company/Microsoft.xml");
Console.WriteLine("Objects from xml:");
Console.WriteLine(nsmith.ToString());
Console.WriteLine(ndyn.ToString());
Console.WriteLine(ncomp.ToString());
}
catch (ObjNotFoundInXmlException e)
{
Console.WriteLine("Obj wasn't found");
}
//
Console.WriteLine("Trying to generate and handle exception(wrong filepath):");
try
{
Company ncomp = cf.GetFromXml("Company/Microsoft2.xml");
}
catch (ObjNotFoundInXmlException e)
{
Console.WriteLine("Exception: Obj wasn't found");
}
}
public static Company[] Extract(String input)
{
//Company Microsoft (IT, USA)
List <String> companies = MyParser.GetEntries(input, @"Company \D+ \((\D+,\D+)\)");
Company[] result = new Company[companies.Count];
int i = 0;
foreach (String s in companies)
{
String Name;
String Segment;
String Location;
String[] parts = s.Split(' ');
Name = parts[1];
Segment = parts[2].Substring(1, parts[2].Length - 2);
Location = parts[3].Substring(0, parts[3].Length - 1);
Company res = new Company(Name, Segment, Location);
result[i++] = res;
}
return(result);
}
