public static string PrettyPrintField(DBRecord record, int fieldIdx)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
DBColumnInfo columnInfo = record.ownerTable.columns[fieldIdx];
sb.Append(columnInfo.columnIdenfier);
sb.Append(" (");
sb.Append(columnInfo.columnType);
sb.Append(")=");
sb.Append(PrettyPrintFieldValue(record, fieldIdx));
return(sb.ToString());
}
public static string PrettyPrintRecord(DBRecord record)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("ID=");
sb.Append(record.identifier);
for (int i = 0; i < record.ownerTable.columns.Count; i++)
{
sb.Append(", ");
sb.Append(PrettyPrintField(record, i));
}
return(sb.ToString());
}
private void ParseWholeText(JsonElement baseElement)
{
if (baseElement.TryGetProperty("name", out JsonElement nameProp))
{
identifier = nameProp.GetString();
}
else
{
Logger.Debug?.WriteLine("[RookDB] database table has no name property!");
identifier = "_unnamed_" + new Random().Next().ToString() + "_";
}
if (!baseElement.TryGetProperty("columns", out _))
{
Logger.Critical?.WriteLine("[RookDB] Database table has no column information. Cannot load without schema.");
return;
}
if (!baseElement.TryGetProperty("lines", out _))
{
Logger.Critical?.WriteLine("[RookDB] Database table has no records (not even a node), an error must have occured during export/write. Cannot load without schema.");
return;
}
List <DBColumnInfo> columnsInfos = ParseColumns(baseElement.GetProperty("columns"));
foreach (DBColumnInfo col in columnsInfos)
{
col.ownerTable = this;
columns.Add(col);
}
foreach (JsonElement recordElement in baseElement.GetProperty("lines").EnumerateArray())
{
DBRecord rec = ParseRecord(recordElement, columns, ownerDB.embeddedSchemas);
if (records.ContainsKey(rec.identifier))
{
Logger.Critical?.WriteLine("[RookDB] Record has duplicated unique identifier, ignoring current record. UID=" + rec.identifier);
continue;
}
rec.ownerTable = this;
records.Add(rec.identifier, rec);
}
Logger.Debug?.WriteLine("[RookDB] Loaded table with " + columns.Count + " columns.");
}
public static string PrettyPrintFieldValue(DBRecord record, int fieldIdx)
{
string rtnString = "";
switch (record.ownerTable.columns[fieldIdx].columnType)
{
case ColumnType.Flags:
string[] flags = (string[])record.values[fieldIdx];
for (int i = 0; i < flags.Length; i++)
{
if (i > 0)
{
rtnString += " + ";
}
rtnString += flags[i];
}
return(rtnString);
case ColumnType.List:
return("{ListData}");
case ColumnType.Color:
byte[] colArr = (byte[])record.values[fieldIdx];
rtnString += $"r{colArr[0]} g{colArr[1]} b{colArr[2]}";
if (colArr.Length == 4)
{
rtnString += " a{colArr[3]}";
}
return(rtnString);
case ColumnType.Reference:
return("{ " + (string)record.values[fieldIdx] + " }");
default:
return(record.values[fieldIdx].ToString());
}
}
internal static DBRecord ParseRecord(JsonElement baseElement, List <DBColumnInfo> columns, Dictionary <string, List <DBColumnInfo> > listSchemas)
{
string recordIdent = null;
List <object> values = new List <object>();
foreach (DBColumnInfo column in columns)
{
switch (column.columnType)
{
case ColumnType.UniqueIdentifier:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement uidChild))
{
recordIdent = uidChild.GetString();
values.Add(recordIdent);
}
else
{
throw new Exception("[RookDB] Cannot have a UniqueIdentifier with no value! (JSON property not found via column name.)");
}
break;
case ColumnType.Boolean:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement boolChild))
{
values.Add(boolChild.GetBoolean());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Color:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement colorChild))
{
//read int, force to 6 digit wide hex representation, parse pairs of characters as bytes (r/g/b values).
string cHex = colorChild.GetInt32().ToString("X6");
values.Add(new byte[]
{
Convert.ToByte(cHex.Substring(0, 2), 16),
Convert.ToByte(cHex.Substring(2, 2), 16),
Convert.ToByte(cHex.Substring(4, 2), 16)
});
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Enumeration:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement enumChild) || enumChild.GetInt32() >= column.columnMeta.Length)
{
values.Add(column.columnMeta[enumChild.GetInt32()]);
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Flags:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement flagsChild))
{
List <string> claimed = new List <string>();
uint flagData = flagsChild.GetUInt32();
for (int shiftCount = 0; shiftCount < 32 && shiftCount < column.columnMeta.Length; shiftCount++)
{
if ((flagData & (1 << shiftCount)) != 0)
{
claimed.Add(column.columnMeta[shiftCount]);
}
}
values.Add(claimed.ToArray());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Float:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement floatChild))
{
values.Add(floatChild.GetSingle());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Integer:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement intChild))
{
values.Add(intChild.GetInt32());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.List:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement listElement))
{
if (!listSchemas.ContainsKey(column.ownerTable.identifier + "@" + column.columnIdenfier))
{
Logger.Info.WriteLine("[RookDB] Attempted to parse list with missing schema. Check database is valid, this should not happen. Ignoring field.");
values.Add(RookDB.GetDefaultFieldValue(column)); break;
}
DBTable listTable = new DBTable(listSchemas[column.ownerTable.identifier + "@" + column.columnIdenfier], "EmbeddedList");
foreach (JsonElement field in listElement.EnumerateArray())
{
DBRecord record = ParseRecord(field, listTable.columns, listSchemas);
record.ownerTable = listTable;
listTable.records.Add(record.identifier, record);
}
values.Add(listTable);
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Reference:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement refChild))
{
values.Add(column.columnMeta[0] + "/" + refChild.GetString());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
case ColumnType.Text:
if (baseElement.TryGetProperty(column.columnIdenfier, out JsonElement textChild))
{
values.Add(textChild.GetString());
}
else
{
values.Add(RookDB.GetDefaultFieldValue(column));
}
break;
}
}
if (recordIdent == null)
{
for (int i = 0; i < columns.Count; i++)
{
if (columns[i].columnType == ColumnType.Text)
{
recordIdent = (string)values[i];
break;
}
}
if (recordIdent == null)
{
//if its still null, we have a serious problem here, we cant even make up a uid.
throw new Exception("[RookDB] Cannot load database entry, it has no unique identity and no text fields to assume uid from.");
}
else
{
Logger.Verbose?.WriteLine("[RookDB] Record loaded without unique identifier, generated name=" + recordIdent);
}
}
return(new DBRecord(recordIdent, values.ToArray()));
}
private static void WriteRecord(DBRecord record, Utf8JsonWriter writer)
{
writer.WriteStartObject();
List <DBColumnInfo> columns = record.ownerTable.columns;
for (int colIdx = 0; colIdx < columns.Count; colIdx++)
{
DBColumnInfo column = columns[colIdx];
switch (column.columnType)
{
case ColumnType.Boolean:
writer.WriteBoolean(column.columnIdenfier, (bool)record.values[colIdx]);
break;
case ColumnType.Color:
/* Probably my least favourite encoding of all time (I didnt design this! This is from castleDB spec)
* Colours can only be RGB, alpha channel is not supported unfortunately.
* Encoding works by taking each colour as 8bits (RGB24 format), converting each channel individually into a 2 digit hex number (0's needed for padding).
* The 3 hex values are appended (RRGGBB) and converted to a single base10 integer.
* This base10 int is what is written to disk.
*/
byte[] colArr = (byte[])record.values[colIdx];
string hexStr = Convert.ToString(colArr[0], 16);
hexStr += Convert.ToString(colArr[1], 16);
hexStr += Convert.ToString(colArr[2], 16);
int compiledInt = Convert.ToInt32(hexStr, 16);
writer.WriteNumber(column.columnIdenfier, compiledInt);
break;
case ColumnType.Enumeration:
for (int i = 0; i < column.columnMeta.Length; i++)
{
if (column.columnMeta[i] == (string)record.values[colIdx])
{
writer.WriteNumber(column.columnIdenfier, i);
break;
}
}
break;
case ColumnType.Flags:
int bitArray = 0;
List <string> recordFlags = new List <string>((string[])record.values[colIdx]);
for (int i = 0; i < column.columnMeta.Length && i < 32; i++)
{
if (recordFlags.Contains(column.columnMeta[i]))
{
bitArray = bitArray | (1 << i);
}
}
writer.WriteNumber(column.columnIdenfier, bitArray);
break;
case ColumnType.Float:
writer.WriteNumber(column.columnIdenfier, (float)record.values[colIdx]);
break;
case ColumnType.Integer:
writer.WriteNumber(column.columnIdenfier, (int)record.values[colIdx]);
break;
case ColumnType.List:
//TODO
break;
case ColumnType.Reference:
string refId = (string)record.values[colIdx];
refId = refId.Remove(0, refId.IndexOf('/') + 1);
writer.WriteString(column.columnIdenfier, refId);
break;
case ColumnType.Text:
case ColumnType.UniqueIdentifier:
writer.WriteString(column.columnIdenfier, (string)record.values[colIdx]);
break;
default:
throw new Exception("*explosions* BOOOOM, this should not happen. (RookDB.WriteRecord tried to write a column with an invalid type.)");
}
}
writer.WriteEndObject();
}
public void AddRecord(string path, DBRecord record)
{
throw new NotImplementedException();
}