public void BasicReadWriteWithHeader()
{
using (SimpleCSVWriter writer = new SimpleCSVWriter(@".\BasicReadWriteWithHeader.csv"))
{
writer.WriteHeader(_simpleHeader);
foreach (var data in _simpleData)
{
writer.WriteLine(data);
}
}
// By manually executing ReadHeader
using (SimpleCSVReader reader = new SimpleCSVReader(@".\BasicReadWriteWithHeader.csv"))
{
int i = 0;
reader.ReadHeader();
while (reader.ReadLine())
{
Assert.AreEqual(_simpleData[i].Length, reader.ColumnsCount);
Assert.AreEqual(_simpleData[i][0] ?? "", reader[1]);
Assert.AreEqual(_simpleData[i][1] ?? "", reader[2]);
Assert.AreEqual(_simpleData[i][2] ?? "", reader[3]);
++i;
}
Assert.IsTrue(reader.HasHeader);
}
// By setting flag HasHeader to true
using (SimpleCSVReader reader = new SimpleCSVReader(@".\BasicReadWriteWithHeader.csv"))
{
int i = 0;
reader.HasHeader = true;
while (reader.ReadLine())
{
Assert.AreEqual(_simpleData[i].Length, reader.ColumnsCount);
Assert.AreEqual(_simpleData[i][0] ?? "", reader[1]);
Assert.AreEqual(_simpleData[i][1] ?? "", reader[2]);
Assert.AreEqual(_simpleData[i][2] ?? "", reader[3]);
// check searching by header label
Assert.AreEqual(_simpleData[i][0] ?? "", reader[_simpleHeader[0]]);
Assert.AreEqual(_simpleData[i][1] ?? "", reader[_simpleHeader[1]]);
Assert.AreEqual(_simpleData[i][2] ?? "", reader[_simpleHeader[2]]);
Assert.IsNull(reader["Some non existing header"]);
++i;
}
Assert.IsTrue(reader.HasHeader);
}
}
static void Main(string[] args)
{
#region Simple example
using (SimpleCSVWriter writer = new SimpleCSVWriter(@".\simple.csv"))
{
writer.MaxColumns = 10;
writer.QuoteAll = true;
writer.Splitter = ',';
writer.WriteHeader(new string[] { "A", "B", "C", "D" });
writer.WriteLine(new string[] { "1", "2", "3", "4" });
for (int i = 1; i < 5; i++)
{
for (int j = 0; j < 20; j++)
{
writer.Write(i + ":" + j);
}
writer.WriteLine();
}
}
using (SimpleCSVWriter writer = new SimpleCSVWriter(@".\simple2.csv"))
{
writer.MaxColumns = 10;
writer.QuoteAll = true;
writer.Splitter = ',';
writer.WriteHeader(new string[] { "A", "B", "C", "D" });
writer.WriteLine(new string[] { "1", "2", "3", "4" });
for (int i = 1; i < 5; i++)
{
for (int j = 20; j >= 0; j--)
{
writer[j] = i + ":" + j;
}
writer["A"] = "String indexer";
writer.WriteLine();
}
}
using (SimpleCSVReader reader = new SimpleCSVReader(@".\test.txt"))
{
reader.Splitter = '\t';
reader.ReadHeader();
Dictionary<string, int> i = reader.HeaderMap;
foreach (var item in i)
{
string columnName = item.Key.ToString();
string intS = item.Value.ToString();
}
while (reader.ReadLine())
{
Console.WriteLine("{0} - {1}", reader["A"], reader[5]);
}
}
#endregion
#region Serialization Example
using (SimpleCSVSerializer<MyObject> serializer = new SimpleCSVSerializer<MyObject>())
{
using (SimpleCSVWriter writer = new SimpleCSVWriter(@".\serialized.csv"))
{
writer.HasHeader = true;
writer.QuoteAll = true;
// writer.Splitter = ',';
serializer.Serialize(writer, new MyObject
{
ID = 1,
Title = @"The title is ""The title""",
Data = "This is an example;wow!",
Date = DateTime.Now,
NotForExport = "My specified data"
});
serializer.Serialize(writer, new MyObject
{
ID = 2,
Date = DateTime.Now,
NotForExport = "No more!"
});
}
Console.WriteLine("--- CSV DESERIALIZATION RESULTS --");
using (SimpleCSVReader reader = new SimpleCSVReader(@".\serialized.csv"))
{
reader.HasHeader = true;
// reader.Splitter = ',';
MyObject record;
while (serializer.DeserializeLine(reader, out record))
{
Console.WriteLine("{0}-{1}-{2}-{3}", record.ID, record.Title, record.Date, record.Data);
}
}
Console.WriteLine("--- CSV DESERIALIZATION RESULTS with IEnumerable --");
using (SimpleCSVReader reader = new SimpleCSVReader(@".\serialized.csv"))
{
reader.HasHeader = true;
//reader.Splitter = ',';
foreach (var record in serializer.Deserialize<MyObject>(reader))
{
Console.WriteLine("{0}-{1}-{2}-{3}", record.ID, record.Title, record.Date, record.Data);
}
}
}
#endregion
#region Advanced Serialization Example
var dataSource = new CartoonDataHandler();
using (SimpleCSVSerializer<CartoonItem> serializer = new SimpleCSVSerializer<CartoonItem>(dataSource))
{
using (SimpleCSVReader reader = new SimpleCSVReader("cartoon.csv"))
{
reader.HasHeader = true;
using (SimpleCSVWriter writer = new SimpleCSVWriter("new_cartoon.csv"))
{
writer.HasHeader = true;
foreach (var cartoon in serializer.Deserialize<CartoonItem>(reader))
{
Console.WriteLine("{0} {1} {2} {3} {4}", cartoon.ID, cartoon.GroupID, cartoon.Created, cartoon.Filmed, cartoon.Name);
serializer.Serialize(writer, cartoon);
}
}
}
Console.WriteLine("-- ONLY FILMED --");
using (SimpleCSVReader reader = new SimpleCSVReader("new_cartoon.csv"))
{
reader.HasHeader = true;
serializer.OnDeserialization += (sender, eventArgs) =>
{
if (eventArgs.State == SimpleCSVSerializationState.BeforeDeserialization)
{
return "yes".Equals(eventArgs.CSVStream["FILMED"]);
}
return true;
};
foreach (var cartoon in serializer.Deserialize <CartoonItem>(reader))
{
Console.WriteLine("{0} {1} {2} {3} {4} {5}", cartoon.ID, cartoon.GroupID, cartoon.Created, cartoon.Filmed, cartoon.Name, cartoon.GroupType);
}
}
}
Console.WriteLine("-- RAW --");
using (SimpleCSVReader reader = new SimpleCSVReader("new_cartoon.csv"))
{
reader.HasHeader = true;
while (reader.ReadLine())
{
Console.WriteLine("{0} {1} {2} {3} {4} {5}", reader["ID"], reader["GROUP"], reader[3], reader[4], reader[5], reader[6]);
}
}
#endregion
Console.ReadKey();
}
public void BasicReadWriteQuoted()
{
using (SimpleCSVWriter writer = new SimpleCSVWriter(@".\BasicReadWriteQuoted.csv"))
{
writer.QuoteAll = true;
foreach (var data in _simpleData)
{
writer.WriteLine(data);
}
}
using (SimpleCSVReader reader = new SimpleCSVReader(@".\BasicReadWriteQuoted.csv"))
{
int i = 0;
while (reader.ReadLine())
{
Assert.AreEqual(_simpleData[i].Length, reader.ColumnsCount);
Assert.AreEqual(_simpleData[i][0] ?? "", reader[1]);
Assert.AreEqual(_simpleData[i][1] ?? "", reader[2]);
Assert.AreEqual(_simpleData[i][2] ?? "", reader[3]);
++i;
}
Assert.IsFalse(reader.HasHeader);
}
}