public IEnumerable <ExpandoObject> Parse(Ssv format)
{
var tableNames = format.GetTablesNames().ToArray();
foreach (var line in format.GetTableData(tableNames[0]))
{
IDictionary <string, object> obj = new ExpandoObject();
var columnNamesLine = format.GetTableColumnNamesLine();
var columnNames = columnNamesLine.Values.Select(c => c.Trim()).ToArray();
for (int i = 0; i < line.Values.Count; i++)
{
var v = line.Values[i].Trim();
if (v.StartsWith("\"") && v.EndsWith("\""))
{
obj[columnNames[i]] = v;
}
else if (int.TryParse(v, out int result))
{
obj[columnNames[i]] = result;
}
else if (double.TryParse(v, out double dresult))
{
obj[columnNames[i]] = dresult;
}
obj[columnNames[i]] = v;
}
yield return((ExpandoObject)obj);
}
}
public Ssv Parse(IEnumerable <string> contentLines)
{
var ssv = new Ssv();
var previousLine = new Ssv.Line();
foreach (var line in contentLines)
{
//empty
if (line == string.Empty)
{
previousLine = ssv.InsertEmptyLine();
continue;
}
//table
if (line.TrimStart().StartsWith(SsvNotation.TableStartMark))
{
var name = line.Trim().Replace(SsvNotation.TableStartMark, string.Empty).Replace(SsvNotation.TableEndMak, string.Empty);
previousLine = ssv.InsertTableNameLine(name);
continue;
}
//header
if (line.TrimStart().StartsWith(SsvNotation.HeaderStartMark))
{
var columnNames = line.Trim().Replace(SsvNotation.HeaderStartMark, string.Empty).Replace(SsvNotation.HeaderEndMark, string.Empty);
var columnNamesRow = ParseHeaderRowLine(columnNames, previousLine.LineType);
previousLine = ssv.Insert(columnNamesRow);
continue;
}
//comment
if (line.TrimStart().StartsWith(SsvNotation.RowExcludeMark))
{
var coment = line.Trim().Replace(SsvNotation.RowBlockExcludeStartMark, string.Empty);
ssv.Insert(new Ssv.CommentLine(coment));
continue;
}
//data
var dataRow = ParseDataLine(line);
ssv.Insert(dataRow);
}
return(ssv);
}
public string Format(Ssv ssv)
{
var sb = new StringBuilder();
foreach (var line in ssv.Lines)
{
switch (line.LineType)
{
case Ssv.LineType.Data:
sb.AppendLine(line.ToString(SsvNotation.ValueDelimiter));
continue;
case Ssv.LineType.Comment:
if ((line as Ssv.CommentLine)?.Content != null)
{
sb.Append(SsvNotation.RowExcludeMark)
.AppendLine((line as Ssv.CommentLine).Content);
}
else
{
sb.AppendLine();
}
continue;
case Ssv.LineType.TableName:
sb.Append(SsvNotation.TableStartMark)
.Append(line.Name)
.AppendLine(SsvNotation.TableEndMak);
continue;
case Ssv.LineType.HeaderColumns:
case Ssv.LineType.Header:
sb.Append(SsvNotation.HeaderStartMark)
.Append(line.ToString(SsvNotation.ValueDelimiter))
.AppendLine(SsvNotation.HeaderEndMark);
continue;
default:
throw new ArgumentOutOfRangeException();
}
}
sb.Remove(sb.Length - SsvNotation.LineDelimiter.Length, SsvNotation.LineDelimiter.Length);
return(sb.ToString());
}
public IEnumerable <T> Parse(Ssv format, Func <T> initialObjectProvider = null)
{
if (!Map.TryGetValue(typeof(T), out var tableMap))
{
if (!Map.TryGetValue(null, out tableMap))
{
throw new Exception();
}
}
var tableName = tableMap.Item1;
var properties = tableMap.Item2;
foreach (var line in format.GetTableData(tableName))
{
var obj = initialObjectProvider == null?Activator.CreateInstance <T>() : initialObjectProvider();
for (int i = 0; i < line.Values.Count; i++)
{
if (i >= properties.Count)
{
break;
}
var propertyName = properties[i];
if (propertyName == null)
{
continue;
}
if (propertyName == string.Empty)
{
//take name from ssv
//todo
}
var propertyInfo = obj.GetType().GetProperty(propertyName);
var formattedValue = line.Values[i].Trim();
var formattedValueType = Convert.ChangeType(formattedValue, propertyInfo.PropertyType, CultureInfo.InvariantCulture);
propertyInfo.SetValue(obj, formattedValueType);
}
yield return(obj);
}
}
