/// <summary>
/// Loads the file from the specified stream.
/// </summary>
/// <param name="stream">The stream to read from.</param>
public override void Load(Stream stream)
{
BinaryReader reader = new BinaryReader(stream, Encoding.Unicode);
ColumnCount = reader.ReadInt32();
int rowCount = reader.ReadInt32();
int[,] offsets = new int[rowCount, ColumnCount];
short[,] lengths = new short[rowCount, ColumnCount];
for (int i = 0; i < rowCount; i++)
{
for (int j = 0; j < ColumnCount; j++)
{
offsets[i, j] = reader.ReadInt32();
lengths[i, j] = reader.ReadInt16();
}
}
for (int i = 0; i < rowCount; i++)
{
LanguageRow row = new LanguageRow(ColumnCount);
for (int j = 0; j < ColumnCount; j++)
{
stream.Seek(offsets[i, j], SeekOrigin.Begin);
row[j] = reader.ReadString(lengths[i, j] * 2, Encoding.Unicode);
}
rows.Add(row);
}
}
/// <summary>
/// Adds a new row.
/// </summary>
/// <returns>The row created.</returns>
public LanguageRow AddRow()
{
LanguageRow row = new LanguageRow(ColumnCount);
rows.Add(row);
return(row);
}
/// <summary>
/// Removes the specified row.
/// </summary>
/// <param name="row">The row to remove.</param>
/// <exception cref="System.ArgumentException">Thrown when the file does not contain the specified row.</exception>
public void RemoveRow(LanguageRow row)
{
if (!rows.Contains(row))
{
throw new ArgumentException("row", "File does not contain the specified row");
}
int rowIndex = rows.IndexOf(row);
RemoveRow(rowIndex);
}
/// <summary>
/// Saves the file to the specified stream.
/// </summary>
/// <param name="stream">The stream to save to.</param>
public override void Save(Stream stream)
{
BinaryWriter writer = new BinaryWriter(stream, Encoding.Unicode);
writer.Write(ColumnCount);
writer.Write(rows.Count);
long[,] offsets = new long[rows.Count, ColumnCount];
for (int i = 0; i < rows.Count; i++)
{
LanguageRow row = rows[i];
for (int j = 0; j < ColumnCount; j++)
{
offsets[i, j] = stream.Position;
writer.Write(0);
writer.Write((short)row[j].Length);
}
}
for (int i = 0; i < rows.Count; i++)
{
LanguageRow row = rows[i];
for (int j = 0; j < ColumnCount; j++)
{
long offset = stream.Position;
writer.WriteString(row[j], Encoding.Unicode);
long previousPosition = stream.Position;
stream.Seek(offsets[i, j], SeekOrigin.Begin);
writer.Write((int)offset);
stream.Seek(previousPosition, SeekOrigin.Begin);
}
}
}
