/// <summary>
/// Merges 2 2da objects, saving the results in a 2da file. The method expects that
/// the source 2da will have at least enough rows to be contiguous with the merge
/// 2da (the source 2da should be padded by calling Pad() if necessary). If the
/// source and merge 2da's share some rows, the merge 2da rows will overwrite the
/// source 2da rows.
/// </summary>
/// <param name="source">The source 2da</param>
/// <param name="merge">The merge 2da</param>
/// <param name="outFile">The name of the output 2da</param>
public static void Merge2da(_2DA source, _2DA merge, string outFile)
{
using(StreamWriter writer = new StreamWriter(outFile, false))
{
// Write the 2da header.
writer.WriteLine(headerString);
writer.WriteLine();
writer.WriteLine(source.Heading);
// Make the column sizes in the source and 2da files to be the largest
// of each file, to make the columns have the correct width.
for (int i = 0; i < source.colSizes.Length; i++)
{
source.colSizes[i] = System.Math.Max(source.colSizes[i], merge.colSizes[i]);
merge.colSizes[i] = source.colSizes[i];
}
// output all of the source strings before our merge.
for (int i = 0; i < merge.Offset; i++)
{
string s = source[i];
writer.WriteLine(s);
}
// Test all of the rows that the merge is about to overwrite to make sure they
// are really empty. If any are not then generate a warning message for those
// rows.
int end = System.Math.Min(source.rows.Count, merge.Offset + merge.rows.Count);
for (int i = merge.Offset; i < end; i++)
if (!source.IsEmpty(i))
{
//CMain.Warning("Overwriting non-empty row {0} in {1}", i, source.FileName);
}
// output all of the merge strings.
for (int i = 0; i < merge.rows.Count; i++)
{
string s = merge[i];
writer.WriteLine(s);
}
// output any remaining source strings, in case the merge is in the middle.
for (int i = merge.Offset + merge.rows.Count; i < source.rows.Count; i++)
{
string s = source[i];
writer.WriteLine(s);
}
writer.Flush();
writer.Close();
}
}
