//Load Directory
private List<ISO_8211_Directory> Load_Directory(ISO_8211_Leader leader, int fullPos)
{
List<ISO_8211_Directory> dirList = new List<ISO_8211_Directory>();
int directory_size = leader.bafa - leader.SIZE;
char[] directoryBuff = new char[directory_size];
Array.Copy(fullData, leader.SIZE + fullPos, directoryBuff, 0, directory_size);
int field_length_size = leader.sizeOfFieldLengthField - 48;
char[] field_size_buff = new char[field_length_size];
int pos_size = leader.sizeOfFieldPositionField - 48;
char[] pos_size_buff = new char[pos_size];
int pos = 0;
while (directoryBuff[pos] != (int)DELIMITERS.UT)
{
ISO_8211_Directory directory = new ISO_8211_Directory();
Array.Copy(directoryBuff, pos, directory.Tag, 0, 4); // The size of field tag field is always 4 in S-57. S-101?
pos += 4;
//Console.Write("Directory Tag name = " + new string(directory.Tag));
Array.Copy(directoryBuff, pos, field_size_buff, 0, field_length_size);
directory.Length = Utilities.charArray_to_int32(field_size_buff, field_size_buff.Length);
pos += field_length_size;
//Console.Write(" Directory field length = " + directory.Length);
Array.Copy(directoryBuff, pos, pos_size_buff, 0, pos_size);
directory.Position = Utilities.charArray_to_int32(pos_size_buff, pos_size_buff.Length);
pos += pos_size;
//Console.WriteLine(" Directory position = " + directory.Position);
dirList.Add(directory);
}
return dirList;
}
// Load Leader
private ISO_8211_Leader Load_Leader(int fullPos)
{
ISO_8211_Leader leader = new ISO_8211_Leader();
char[] buffLeader = new char[leader.SIZE];
Array.Copy(fullData, fullPos, buffLeader, 0, leader.SIZE);
leader.setValue(buffLeader);
return leader;
}
//Load DataDescriptions Record
private Dictionary<string, ISO_8211_Record_DataDesc> Load_DataDescriptionRecord(ISO_8211_Leader leader, List<ISO_8211_Directory> dirList, int fullPos)
{
Dictionary<string, ISO_8211_Record_DataDesc> descList = new Dictionary<string, ISO_8211_Record_DataDesc>();
int descPos = leader.bafa+fullPos;
ISO_8211_Directory entry;
int sp = 0;
int ep = 0;
for (int i = 0; i < dirList.Count; i++)
{
entry = dirList[i];
sp = descPos;
ep = descPos;
ISO_8211_Record_DataDesc desc = new ISO_8211_Record_DataDesc();
//Field controls
while (fullData[ep++] != (int)DELIMITERS.FCT) ;
char[] fieldControlBuff = new char[ep - sp];
Array.Copy(fullData, sp, fieldControlBuff, 0, ep - sp);
desc.field_control = fieldControlBuff;
sp = ep;
//Console.WriteLine("Field Controls : " + new string(fieldControlBuff));
//DataField name
while (fullData[ep++] != (int)DELIMITERS.FT) ;
char[] dataFieldNameBuff = new char[ep - sp];
Array.Copy(fullData, sp, dataFieldNameBuff, 0, ep - sp);
desc.field_name = new string(dataFieldNameBuff);
sp = ep;
//Console.WriteLine("DataField name : " + new string(dataFieldNameBuff));
//Array descriptor
while (fullData[ep++] != (int)DELIMITERS.UT) ;
char[] arrayDescStrBuff = new char[ep - sp];
Array.Copy(fullData, sp, arrayDescStrBuff, 0, ep - sp);
if (arrayDescStrBuff.Contains((char)DELIMITERS.FT))
{
int arrayDescIndex = 0;
while (arrayDescStrBuff[arrayDescIndex++] != (char)DELIMITERS.FT) ;
char[] arrayDescBuff = new char[arrayDescIndex];
Array.Copy(arrayDescStrBuff, 0, arrayDescBuff, 0, arrayDescIndex);
desc.array_desc_str = new string(arrayDescBuff);
desc.array_descriptions = SplitArrayDescStr(desc.array_desc_str,leader.sizeOfFieldTagField-48);
//Console.WriteLine("Array descriptor : " + desc.array_desc_str);
int typeIndex = arrayDescIndex;
while (arrayDescStrBuff[typeIndex++] != (char)DELIMITERS.UT) ;
char[] fmfBuff = new char[typeIndex - arrayDescIndex];
Array.Copy(arrayDescStrBuff, arrayDescIndex, fmfBuff, 0, typeIndex - arrayDescIndex);
desc.format_control_str = new string(fmfBuff);
desc.format_controls = SplitFormatControlStr(desc.format_control_str);
//Console.WriteLine("Format Control : " + desc.format_control_str);
}
else
{
desc.array_desc_str = new string(arrayDescStrBuff);
desc.array_descriptions = SplitArrayDescStr(desc.array_desc_str, leader.sizeOfFieldTagField - 48);
//Console.WriteLine("Array descriptor : " + desc.array_desc_str.ToString());
}
descList.Add(new string(dirList[i].Tag),desc);
descPos = descPos + entry.Length;
//Console.WriteLine();
}
return descList;
}
