public static V8Field Field_from_tree(Tree field_tree, ref bool has_version, V8Table parent)
{
V8Field fld = new V8Field(parent);
if (field_tree.Get_Type() != Node_Type.nd_string)
{
throw new Exception("Ошибка получения имени поля таблицы. Узел не является строкой.");
}
fld.Name = field_tree.Get_Value();
field_tree = field_tree.Get_Next();
Field_type_declaration type_declaration;
try
{
type_declaration = Field_type_declaration.Parse_tree(field_tree);
}
catch
{
throw new Exception($"Поле {fld.Name}");
}
fld.Type = type_declaration.Type;
fld.Null_exists = type_declaration.Null_exists;
fld.Type_manager = FieldType.Create_type_manager(type_declaration);
if (fld.Type == TypeFields.tf_version)
{
has_version = true;
}
return(fld);
}
public V8Field(V8Table _parent)
{
if (!Null_index_initialized)
{
Array.Clear(Null_index, 0, 0x1000);
Null_index_initialized = true;
}
Parent = _parent;
Len = 0;
Offset = 0;
Name = "";
}
public V8Index(V8Table _base)
{
Tbase = _base;
Is_primary = false;
Num_records = 0;
Records = null;
Start = 0;
Rootblock = 0;
Length = 0;
Recordsindex_complete = false;
Pagesize = Tbase.Base_.Pagesize;
Version = (DBVer)Tbase.Base_.Version;
}
/*
* public table_file(Table _t, String _name, UInt32 _maxpartno)
* {
* t = _t;
* name = _name;
* maxpartno = _maxpartno;
* }
*/
public TableFile(V8Table _t, string _name, UInt32 _maxpartno)
{
t = _t;
name = _name;
maxpartno = _maxpartno;
}
/// <summary>
/// Конструктор
/// </summary>
/// <param name="t"></param>
public TableFiles(V8Table t)
{
V8Field filename;
V8Field f;
V8Field partno;
int start;
int length;
//char[] create;
byte create;
//char[] modify;
byte modify;
int i;
int j;
string s;
table_rec ptr;
table_rec tr = new table_rec();
//std::vector<table_rec> allrec;
List <table_rec> allrec = null;
//std::map<String, int> maxpartnos;
SortedDictionary <String, int> maxpartnos = null;
//std::map<String, int>::iterator pmaxpartno;
TableFile tf;
//std::map<String, table_file*>::iterator pfilesmap;
table = t;
ready = test_table();
if (!ready)
{
return;
}
//Container_file.temppath = System.IO.Path.GetTempPath();
//rec = new char[table.Get_recordlen()];
rec = new byte[table.Get_recordlen()];
filename = table.Getfield(0);
f = table.Getfield(1);
// create = (unsigned char*)(rec + f->getoffset());
create = rec[f.Getoffset()];
f = table.Getfield(1);
modify = rec[f.Getoffset()];
f = table.Getfield(5);
start = rec[f.Getoffset()];
length = start + 1;
partno = (table.Get_numfields() > 6) ? table.Getfield(6) : null;
for (i = 0; i < table.Get_phys_numrecords(); ++i)
{
table.Getrecord((uint)i, rec);
if (rec != null)
{
continue;
}
if (start == 0)
{
continue;
}
if (length == 0)
{
continue;
}
tr.Name = filename.Get_presentation(rec);
if (string.IsNullOrEmpty(tr.Name))
{
continue;
}
// TODO : Надо с этим разобраться
// tr.Addr.Blob_start = start;
// tr.Addr.Blob_length = length;
if (partno != null)
{
tr.Partno = Convert.ToInt32(partno.Get_presentation(rec, true));
}
else
{
tr.Partno = 0;
}
// TODO : Надо с этим разобраться
// time1CD_to_FileTime(&tr.ft_create, create);
// time1CD_to_FileTime(&tr.ft_modify, modify);
allrec.Add(tr);
s = tr.Name.ToUpper();
if (!maxpartnos.TryGetValue(s, out int val))
{
maxpartnos[s] = tr.Partno;
}
else if (val < tr.Partno)
{
val = tr.Partno;
}
}
foreach (var item_maxpartnos in maxpartnos)
{
tf = new TableFile(table, item_maxpartnos.Key, (uint)item_maxpartnos.Value);
}
for (j = 0; j < allrec.Count; ++j)
{
ptr = allrec[j];
if (allfiles.TryGetValue(ptr.Name.ToUpper(), out TableFile val))
{
tf = val;
tf.addr[ptr.Partno] = ptr.Addr;
if (ptr.Partno == 0)
{
tf.Ft_create = ptr.Ft_create;
tf.Ft_modify = ptr.Ft_modify;
tf.Name = ptr.Name;
}
}
else
{
tf = null;
}
}
}
public virtual String Get_XML_presentation(byte[] rec, V8Table parent, bool ignore_showGUID)
{
return(" ");
}
private bool Recursive_test_stream_format2(V8Table t, UInt32 nrec)
{
return(true);
} // для DBSCHEMA
private bool Recursive_test_stream_format(V8Table t, UInt32 nrec)
{
return(true);
}
public void Restore_DATA_allocation_table(V8Table tab)
{
}
} // создание таблицы из файлов импорта таблиц
public bool Delete_table(V8Table tab)
{
return(true);
}
