/// <summary>
/// Gets the fileText of a specific dumprule file
/// </summary>
/// <param name="fileSettings">the dumprule file for which to get the configuration</param>
/// <returns>the filecontent of the provided file</returns>
private string GetFileText(DumpFormatFile fileSettings)
{
DumpRuleFile file;
file = new DumpRuleFile(fileSettings);
return(file.FileText);
}
/// <summary>
/// Dumps collected data into the given stream
/// </summary>
/// <param name="outputStream">the output-stream that will receive the dumped data</param>
/// <param name="data">the data that must be dumped</param>
/// <param name="configuration">the dumper-configuiration</param>
/// <returns>a value indicating whether there was any data available for dumping</returns>
public bool DumpData(Stream outputStream, DynamicResult[] data, DumpConfiguration configuration)
{
bool retVal = true;
if (configuration.Files.Count > 1)
{
LogEnvironment.LogDebugEvent(null, "The Dump-Configuration contains more than one file. All settings but the first one are being ignored.", (int)LogSeverity.Warning, null);
}
CsvSettings settings = null;
if (configuration.Files.Count != 0)
{
settings = new DumpRuleFile(configuration.Files[0]).ParseJsonFile <CsvSettings>();
}
if (settings == null)
{
settings = new CsvSettings();
}
bool first = true;
try
{
using (StreamWriter writer = new StreamWriter(outputStream, Encoding.GetEncoding(settings.Encoding)))
{
List <string> fields = new List <string>();
string format = "";
var scope = new Scope();
scope["$$Format"] = new Func <string, string>(s =>
{
var rv = s;
foreach (var es in settings.EscapeSettings)
{
rv = Regex.Replace(rv, es.MatchRegex, es.RegexReplaceExpression, RegexOptions.CultureInvariant | RegexOptions.Multiline | RegexOptions.IgnoreCase | RegexOptions.IgnorePatternWhitespace);
}
return(rv);
});
using (var scriptingContext = ExpressionParser.BeginRepl(scope, i => DefaultCallbacks.PrepareDefaultCallbacks(i.Scope, i.ReplSession)))
{
foreach (DynamicResult result in data)
{
if (first)
{
first = false;
fields.AddRange(result.Keys);
fields.AddRange(from t in configuration.Constants select t.Name);
Dictionary <string, object> firstRow = new Dictionary <string, object>();
fields.ForEach(n => firstRow.Add(n, n));
var tmpFields = (from t in fields
join c in settings.Formattings on t equals c.ColumnName into cj
from cn in cj.DefaultIfEmpty()
join v in configuration.Constants on t equals v.Name into vj
from vn in vj.DefaultIfEmpty()
select new { ColumnName = t, CustomFormat = cn, ConstDefinition = vn }).ToArray();
format = string.Join(settings.CsvSeparator, from t in tmpFields select $"{settings.ValueStartCharacter}{GetColumnDefinition(t.ColumnName, t.CustomFormat, t.ConstDefinition, false)}{settings.ValueEndCharacter}");
var headFormat = string.Join(settings.CsvSeparator, from t in tmpFields select $"{settings.ValueStartCharacter}{GetColumnDefinition(t.ColumnName, t.CustomFormat, t.ConstDefinition, true)}{settings.ValueEndCharacter}");
scope["$$fmt"] = format;
scope["$$hdr"] = headFormat;
scope["$data"] = firstRow;
scope["$$RowNum"] = -1;
foreach (var cst in configuration.Constants.Where(n => n.ConstType == ConstType.ExpressionBlock))
{
ExpressionParser.ParseBlock($"fx_{cst.Name}={cst.ValueExpression}", scriptingContext);
ExpressionParser.ParseBlock($"fx_{cst.Name}.ParentScope=Scope()", scriptingContext);
}
if (settings.TableHeader)
{
writer.WriteLine(ExpressionParser.Parse("$$($$hdr)", scriptingContext));
}
}
ExpressionParser.Parse("$$RowNum++", scriptingContext);
scope["$data"] = result;
foreach (var cst in configuration.Constants)
{
if (cst.ConstType == ConstType.SingleExpression)
{
ExpressionParser.Parse($"{cst.Name}={cst.ValueExpression}", scriptingContext);
}
else
{
ExpressionParser.Parse($"{cst.Name}=fx_{cst.Name}()", scriptingContext);
}
}
writer.WriteLine(ExpressionParser.Parse("$$($$fmt)", scriptingContext));
}
}
}
}
catch (Exception ex)
{
LogEnvironment.LogEvent($"Error: {ex.OutlineException()}", LogSeverity.Error);
retVal = false;
}
return(retVal);
}
