public static void WriteTable(TableFileBase tableFile)
{
string path = "./Assets/Resources/Tables/" + tableFile.GetType().Name + ".csv";
string[] lines = File.ReadAllLines(path, Encoding.Default);
lines[0] = lines[0].Replace("\r\n", "\n");
StringReader rdr = new StringReader(string.Join("\n", lines));
List<string> titles = new List<string>();
using (var reader = new CsvReader(rdr))
{
HeaderRecord header = reader.ReadHeaderRecord();
for (int i = 0; i < header.Count; ++i)
{
titles.Add(header[i]);
}
}
File.Delete(path);
using (StreamWriter SourceStream = new StreamWriter(path, false, System.Text.Encoding.Default))
{
CsvWriter writer = new CsvWriter(SourceStream);
writer.WriteRecord(titles.ToArray());
foreach (var record in tableFile.Records)
{
writer.WriteRecord(record.Value.GetRecordStr());
}
}
}
public static void WriteFile(ContentFile file)
{
if (!string.IsNullOrEmpty(file.ConstructFile.OldName))
{
string oldPath = TableGlobalConfig.Instance.ResTablePath + "/" + file.ConstructFile.OldName + ".csv";
if (!string.IsNullOrEmpty(oldPath))
{
File.Delete(oldPath);
}
file.WriteFlag = true;
WriteConstruct.WriteFileOldName(file.ConstructFile, "");
}
if(!file.IsNeedWrite())
return;
string path = TableGlobalConfig.Instance.ResTablePath + "/" + file.ConstructFile.Name + ".csv";
if (string.IsNullOrEmpty(path))
return;
File.Delete(path);
using (StreamWriter SourceStream = new StreamWriter(path, false, System.Text.Encoding.UTF8))
{
CsvWriter writer = new CsvWriter(SourceStream);
writer.WriteRecord(file.ConstructFile.GetColumnTitles());
foreach (ContentRow row in file.ContentRow)
{
writer.WriteRecord(row.GetItemsStr());
}
}
file.AlreadyWrite();
}
public async Task write_csv_async_returns_number_of_items_written()
{
using (var writer = new CsvWriter(new StringWriter()))
{
writer.WriteRecord("some", "record");
var items = new TestType1[]
{
new TestType1
{
Property1 = "1",
Property2 = "2",
Property3 = "3"
},
new TestType1
{
Property1 = "4",
Property2 = "5",
Property3 = "6"
}
};
Assert.Equal(2, await items.WriteCsvAsync(writer));
Assert.Equal(2, await items.WriteCsvAsync(writer, false));
}
}
/// <summary>
/// Writes WaterOneFlow data response as CSV file.
/// </summary>
/// <param name="data">WaterOneFlow data reponse to write.</param>
/// <param name="ms">Memory Stream to write to.</param>
/// <returns></returns>
private async Task WriteDataToMemoryStreamAsCsv(SeriesData data, MemoryStream ms)
{
using (var csvwrtr = new CsvWriter(ms, Encoding.UTF8, true))
{
csvwrtr.ValueSeparator = Char.Parse(",");
csvwrtr.WriteRecord(new List<string>() { "TimeStamp"
,"Value","OffsetType","OffsetValue", "ValueAccuracy",
"Qualifier","CensorCode" });
foreach (DataValue value in data.values)
{
List<string> values = new List<string>();
values.Add(value.TimeStamp.ToString("yyyy-MM-dd HH:mm:ss"));
values.Add(value.Value.ToString());
values.Add(value.OffsetType);
values.Add(value.OffsetValue.ToString());
values.Add(value.ValueAccuracy.ToString());
values.Add(value.Qualifier);
values.Add(value.CensorCode);
csvwrtr.WriteRecord(values);
}
await csvwrtr.FlushAsync();
}
}
public async Task write_csv_async_returns_number_of_records_written()
{
using (var writer = new CsvWriter(new StringWriter()))
{
writer.WriteRecord("some", "record");
var dataTable = new DataTable();
dataTable.Columns.Add("First");
dataTable.Columns.Add("Second");
dataTable.Rows.Add("1", "2");
dataTable.Rows.Add("3", "4");
dataTable.Rows.Add("5", "6");
Assert.Equal(3, await dataTable.WriteCsvAsync(writer, false));
Assert.Equal(3, await dataTable.WriteCsvAsync(writer, true));
}
}
public async Task fill_data_table_async_works_with_large_csv_input()
{
var csv = string.Empty;
using (var stringWriter = new StringWriter())
using (var writer = new CsvWriter(stringWriter))
{
writer.WriteRecord("Header1", "Header2");
for (var i = 0; i < 1000; ++i)
{
writer.WriteRecord("value0_" + i, "value1_" + i);
}
writer.Flush();
csv = stringWriter.ToString();
}
// read less than all available records
using (var reader = CsvReader.FromCsvString(csv))
{
var table = new DataTable();
reader.ReadHeaderRecord();
Assert.Equal(913, await table.FillAsync(reader, 913));
Assert.Equal(913, table.Rows.Count);
Assert.True(reader.HasMoreRecords);
}
// read exactly available records
using (var reader = CsvReader.FromCsvString(csv))
{
var table = new DataTable();
reader.ReadHeaderRecord();
Assert.Equal(1000, await table.FillAsync(reader, 1000));
Assert.Equal(1000, table.Rows.Count);
Assert.False(reader.HasMoreRecords);
}
// attempt to read more than available records
using (var reader = CsvReader.FromCsvString(csv))
{
var table = new DataTable();
reader.ReadHeaderRecord();
Assert.Equal(1000, await table.FillAsync(reader, 1500));
Assert.Equal(1000, table.Rows.Count);
Assert.False(reader.HasMoreRecords);
}
}
/// <summary>
/// Writes all rows in <paramref name="this"/> to <paramref name="csvWriter"/>.
/// </summary>
/// <remarks>
/// </remarks>
/// <param name="this">
/// The <see cref="DataTable"/>.
/// </param>
/// <param name="csvWriter">
/// The <see cref="CsvWriter"/>.
/// </param>
/// <param name="writeHeaderRecord">
/// If <see langword="true"/>, a header record will also be written, which will be comprised of the column names defined for <paramref name="this"/>.
/// </param>
/// <param name="maximumRows">
/// The maximum number of rows from <paramref name="this"/> that should be written to <paramref name="csvWriter"/>.
/// </param>
/// <param name="objectToStringConverter">
/// Provides a means of converting values in the <see cref="DataRow"/>s to <see cref="String"/>s.
/// </param>
/// <returns>
/// The actual number of rows from <paramref name="this"/> written to <paramref name="csvWriter"/>.
/// </returns>
public static int WriteCsv(this DataTable @this, CsvWriter csvWriter, bool writeHeaderRecord, int? maximumRows, Func<object, string> objectToStringConverter)
{
@this.AssertNotNull("@this");
csvWriter.AssertNotNull("csvWriter");
objectToStringConverter.AssertNotNull("objectToStringConverter");
var num = 0;
if (writeHeaderRecord)
{
var columnNames = new string[@this.Columns.Count];
for (var i = 0; i < columnNames.Length; ++i)
{
columnNames[i] = @this.Columns[i].ColumnName;
}
csvWriter.WriteRecord(columnNames);
}
var maximum = maximumRows.GetValueOrDefault(int.MaxValue);
var buffer = new DataRecord[16];
var bufferOffset = 0;
foreach (DataRow row in @this.Rows)
{
var record = new DataRecord();
for (var i = 0; i < row.ItemArray.Length; ++i)
{
record.Add(objectToStringConverter(row.ItemArray[i]));
}
buffer[bufferOffset++] = record;
if (bufferOffset == buffer.Length)
{
// buffer full
csvWriter.WriteRecords(buffer, 0, buffer.Length);
bufferOffset = 0;
}
if (++num == maximum)
{
break;
}
}
// write any outstanding data in buffer
csvWriter.WriteRecords(buffer, 0, bufferOffset);
return num;
}