internal VeryLongStringRecord(InfoRecord record)
{
if (record.SubType != 14 || record.ItemSize != 1)
{
throw new UnexpectedFileFormatException();
}
this.record = record;
this.LongStringDictionary = new Dictionary <string, string>();
// Not very efficient, but for now the best way I can come up with
// without sacrificing the Inforecords-design.
var originalBytes = this.record.Items.Where(item => item[0] != 0).Select(item => item[0]).ToArray();
var dictionaryString = Encoding.ASCII.GetString(originalBytes);
// split on tabs:
var entries = dictionaryString.Split('\t');
foreach (var entry in entries)
{
if (!string.IsNullOrEmpty(entry.Trim()))
{
var values = entry.Split('=');
if (values.Length >= 2)
{
this.LongStringDictionary.Add(values[0], values[1]);
}
}
}
}
internal VariableDisplayParameterRecord(InfoRecord record, int variableCount)
{
if (record.SubType != 11 || record.ItemSize != 4)
throw new UnexpectedFileFormatException();
this.record = record;
var infoList = new List<VariableDisplayInfo>();
// Record can either have 2 or 3 fields per variable:
int fieldCount = this.record.ItemCount / variableCount;
int currentItemIndex = 0;
for (int variableIndex = 0; variableIndex < variableCount; variableIndex++)
{
var info = new VariableDisplayInfo();
for (int fieldIndex = 0; fieldIndex < fieldCount; fieldIndex++)
{
var value = BitConverter.ToInt32(this.record.Items[currentItemIndex++], 0);
// Measurement type:
if (fieldIndex == 0)
{
if (value == 1)
{
info.MeasurementType = MeasurementType.Nominal;
}
else if (value == 2)
{
info.MeasurementType = MeasurementType.Ordinal;
}
else if (value == 3)
{
info.MeasurementType = MeasurementType.Scale;
}
else
{
// Default option:
info.MeasurementType = MeasurementType.Nominal;
}
}
// Width:
if (fieldIndex == 1)
{
info.Width = value;
}
// Alignment:
if (fieldIndex == 2)
{
info.Alignment = (Alignment)value;
}
}
infoList.Add(info);
}
this.VariableDisplayEntries = new VariableDisplayInfoCollection(infoList);
}
internal MachineFloatingPointInfoRecord(InfoRecord record)
{
if (record.SubType != 4 || record.ItemSize != 8 || record.ItemCount != 3)
{
throw new UnexpectedFileFormatException();
}
this.record = record;
}
public static InfoRecord ParseNextRecord(BinaryReader reader)
{
var record = new InfoRecord
{
SubType = reader.ReadInt32(),
ItemSize = reader.ReadInt32(),
ItemCount = reader.ReadInt32(),
Items = new Collection <byte[]>()
};
for (int i = 0; i < record.ItemCount; i++)
{
record.Items.Add(reader.ReadBytes(record.ItemSize));
}
return(record);
}
public static InfoRecord ParseNextRecord(BinaryReader reader)
{
var record = new InfoRecord();
record.SubType = reader.ReadInt32();
record.ItemSize = reader.ReadInt32();
record.ItemCount = reader.ReadInt32();
record.Items = new Collection<byte[]>();
for (int i = 0; i < record.ItemCount; i++)
{
record.Items.Add(reader.ReadBytes(record.ItemSize));
}
return record;
}
internal LongVariableNamesRecord(InfoRecord record)
{
if (record.SubType != 13 || record.ItemSize != 1)
throw new UnexpectedFileFormatException();
this.record = record;
this.LongNameDictionary = new Dictionary<string, string>();
// Not very efficient, but for now the best way I can come up with
// without sacrificing the Inforecords-design.
var originalBytes = (from item in this.record.Items select item[0]).ToArray();
var dictionaryString = Encoding.ASCII.GetString(originalBytes);
// split on tabs:
var entries = dictionaryString.Split('\t');
foreach (var entry in entries)
{
var values = entry.Split('=');
this.LongNameDictionary.Add(values[0], values[1]);
}
}
internal LongVariableNamesRecord(InfoRecord record)
{
if (record.SubType != 13 || record.ItemSize != 1)
{
throw new UnexpectedFileFormatException();
}
this.record = record;
this.LongNameDictionary = new Dictionary <string, string>();
// Not very efficient, but for now the best way I can come up with
// without sacrificing the Inforecords-design.
var originalBytes = (from item in this.record.Items select item[0]).ToArray();
var dictionaryString = Encoding.ASCII.GetString(originalBytes);
// split on tabs:
var entries = dictionaryString.Split('\t');
foreach (var entry in entries)
{
var values = entry.Split('=');
this.LongNameDictionary.Add(values[0], values[1]);
}
}
internal MachineIntegerInfoRecord(InfoRecord record)
{
if (record.SubType != 3 || record.ItemSize != 4 || record.ItemCount != 8)
throw new UnexpectedFileFormatException();
this.record = record;
}
internal VariableDisplayParameterRecord(InfoRecord record, int variableCount)
{
if (record.SubType != 11 || record.ItemSize != 4)
{
throw new UnexpectedFileFormatException();
}
this.record = record;
var infoList = new List <VariableDisplayInfo>();
// Record can either have 2 or 3 fields per variable:
int fieldCount = this.record.ItemCount / variableCount;
int currentItemIndex = 0;
for (int variableIndex = 0; variableIndex < variableCount; variableIndex++)
{
var info = new VariableDisplayInfo();
for (int fieldIndex = 0; fieldIndex < fieldCount; fieldIndex++)
{
var value = BitConverter.ToInt32(this.record.Items[currentItemIndex++], 0);
// Measurement type:
if (fieldIndex == 0)
{
if (value == 1)
{
info.MeasurementType = MeasurementType.Nominal;
}
else if (value == 2)
{
info.MeasurementType = MeasurementType.Ordinal;
}
else if (value == 3)
{
info.MeasurementType = MeasurementType.Scale;
}
else
{
// Default option:
info.MeasurementType = MeasurementType.Nominal;
}
}
// Width:
if (fieldIndex == 1)
{
info.Width = value;
}
// Alignment:
if (fieldIndex == 2)
{
info.Alignment = (Alignment)value;
}
}
infoList.Add(info);
}
this.VariableDisplayEntries = new VariableDisplayInfoCollection(infoList);
}
internal MachineFloatingPointInfoRecord(InfoRecord record)
{
if (record.SubType != 4 || record.ItemSize != 8 || record.ItemCount != 3)
throw new UnexpectedFileFormatException();
this.record = record;
}
