/// <summary>
/// Writes each internal array of the provided sparse matrix to a different file. All these filenames have a common
/// prefix, extracted from <paramref name="pathBase"/>, and a suffix corresponding to the purpose of each array.
/// </summary>
/// <param name="matrix">The sparse matrix to write.</param>
/// <param name="pathBase">An absolute path. This filename will not be used directly. Instead one file per internal array
/// of <paramref name="matrix"/> will be used. Each file will be suffixed with the name of that array and then the
/// extension specified in <paramref name="pathBase"/>.</param>
/// <param name="writeArrayLengthFirst">If true, the first line of each file will contain the length of the corresponding
/// array. If false, there will be only one line per file, which will contain the array.</param>
public void WriteToMultipleFiles(ISparseMatrix matrix, string pathBase, bool writeArrayLengthFirst = true) // TODO: this should be a different writer
{
string path = Path.GetDirectoryName(pathBase);
string nameOnly = Path.GetFileNameWithoutExtension(pathBase);
string ext = Path.GetExtension(pathBase);
SparseFormat sparseFormat = matrix.GetSparseFormat();
// Values array
string suffix = "-" + sparseFormat.RawValuesTitle.ToLower();
string valuesPath = path + "\\" + nameOnly + suffix + ext; // Not too sure about the \\
using (var writer = new StreamWriter(valuesPath))
{
#if DEBUG
writer.AutoFlush = true; // To look at intermediate output at certain breakpoints
#endif
WriteArray(sparseFormat.RawValuesArray, writer, writeArrayLengthFirst);
}
// Indexing arrays
foreach (var nameArrayPair in sparseFormat.RawIndexArrays)
{
suffix = "-" + nameArrayPair.Key.ToLower();
string indexerPath = path + "\\" + nameOnly + suffix + ext; // Not too sure about the \\
using (var writer = new StreamWriter(indexerPath))
{
#if DEBUG
writer.AutoFlush = true; // To look at intermediate output at certain breakpoints
#endif
WriteArray(nameArrayPair.Value, writer, writeArrayLengthFirst);
}
}
}
private void WriteToStream(ISparseMatrix matrix, StreamWriter writer)
{
SparseFormat sparseFormat = matrix.GetSparseFormat();
writer.Write(sparseFormat.RawValuesTitle + ": ");
if (titlesOnOtherLines)
{
writer.WriteLine();
}
WriteArray(sparseFormat.RawValuesArray, writer, false);
foreach (var nameArrayPair in sparseFormat.RawIndexArrays)
{
if (lineBetweenArrays)
{
writer.WriteLine();
}
writer.WriteLine(); // otherwise everything would be on the same line
writer.Write(nameArrayPair.Key + ": ");
if (titlesOnOtherLines)
{
writer.WriteLine();
}
WriteArray(nameArrayPair.Value, writer, false);
}
}