public void to_begin()
{
if (_path != null)
{
if (_xr != null)
{
_xr.Close();
}
_xr = new GotDotNet.XPath.XPathReader(_path, "/root/rows/row");
}
}
public void close()
{
if (_xr != null)
{
_xr.Close(); _xr = null;
}
if (_flds != null)
{
_flds.Clear(); _flds = null;
}
}
protected void read_cols(string path, schema_doc sch = null)
{
_path = path;
_cols = new List <Dictionary <string, string> >();
_flds = new List <schema_field>();
// carico le colonne di struttura + schema campi
using (GotDotNet.XPath.XPathReader xr = new GotDotNet.XPath.XPathReader(_path, "/root/cols/col")) {
while (xr.ReadUntilMatch())
{
Dictionary <string, string> col = new Dictionary <string, string>();
while (xr.MoveToNextAttribute())
{
col.Add(xr.Name, xr.Value);
}
_flds.Add(new schema_field(dbType.xml, col["name"], col["type"], col.ContainsKey("nullable") ? bool.Parse(col["nullable"]) : false
, col.ContainsKey("maxlength") ? int.Parse(col["maxlength"]) : (int?)null, col.ContainsKey("numprec") ? int.Parse(col["numprec"]) : (int?)null
, col.ContainsKey("numscale") ? int.Parse(col["numscale"]) : (int?)null, col.ContainsKey("default") ? col["numscale"] : ""
, col.ContainsKey("autonumber") ? bool.Parse(col["autonumber"]) : false
, col["level"] == "1" && col.ContainsKey("pkfield") && col["pkfield"] == "1", 0));
_cols.Add(col);
}
}
// carico i campi
using (GotDotNet.XPath.XPathReader xr = new GotDotNet.XPath.XPathReader(_path, "/root/data")) {
if (xr.ReadUntilMatch())
{
schema_doc sk = _db_xml != null ? _db_xml.schema : sch;
if (_flds.Count == 0)
{
for (int i = 0; i < xr.AttributeCount; i++)
{
_flds.Add(sk.new_schema_field(sk.field_node(table, xr.GetAttribute("f" + i.ToString("00")))
, "f" + i.ToString("00")));
}
}
else
{
for (int i = 0; i < xr.AttributeCount; i++)
{
_flds.Find(x => x.Name.ToUpper() == xr.GetAttribute("f" + i.ToString("00")).ToUpper()).AttrName = "f" + i.ToString("00");
}
}
}
}
to_begin();
}
public void xmldata_to_table(db_schema db, string table)
{
List <schema_field> cols = db.table_fields(table);
// cols
using (GotDotNet.XPath.XPathReader xr = new GotDotNet.XPath.XPathReader(data_path(table), "/root/data")) {
if (xr.ReadUntilMatch())
{
while (xr.MoveToNextAttribute())
{
schema_field field = findField(cols, xr.Value);
if (field == null)
{
continue;
}
field.AttrName = xr.Name;
}
}
else
{
throw new Exception("la struttura xml del file data della tabella '" + table + "' non è corretta");
}
}
// insert rows
bool identity = db.type == dbType.sqlserver && cols.FirstOrDefault(x => x.AutoNumber) != null;
if (identity)
{
db.set_identity(table, true);
}
try {
using (GotDotNet.XPath.XPathReader xr = new GotDotNet.XPath.XPathReader(data_path(table), "/root/rows/row")) {
string header = string.Format("INSERT INTO {0} ({1})", table, string.Join(", ", cols.Select(x => "[" + x.Name + "]")));
while (xr.ReadUntilMatch())
{
db.exec(header + " VALUES (" + string.Join(", ", cols.Select(x => db.val_toqry(xr[x.AttrName], x.TypeField, type, _nullxml))) + ")");
}
}
}
finally { if (identity)
{
db.set_identity(table, false);
}
}
}
