/// <summary>
/// Gets the filename stored in the unit element of <paramref name="targetPath"/>
/// </summary>
/// <param name="targetPath">The target srcML file</param>
/// <returns>The file name stored in <paramref name="targetPath"/></returns>
protected override string GetSourcePathFromTargetFile(string targetPath)
{
try {
var unit = XmlHelper.StreamElements(targetPath, SRC.Unit, 0).FirstOrDefault();
return(null != unit ? SrcMLElement.GetFileNameForUnit(unit) : null);
} catch (XmlException) {
return(null);
}
}
/// <summary>
/// Reads the mapping file in XmlDirectory. If this doesn't exist, it constructs a mapping
/// from any existing SrcML files in the directory.
/// </summary>
protected void ReadMapping()
{
lock (mappingLock) {
mapping.Clear();
var mappingPath = Path.Combine(XmlDirectory, mappingFile);
if (File.Exists(mappingPath))
{
//read mapping file
foreach (var line in File.ReadLines(mappingPath))
{
var paths = line.Split('|');
if (paths.Length != 2)
{
Debug.WriteLine(string.Format("Bad line found in mapping file. Expected 2 fields, has {0}: {1}", paths.Length, line));
continue;
}
ProcessMapFileEntry(paths[0].Trim(), paths[1].Trim());
}
//TODO: remove file from disk
}
else
{
//mapping file doesn't exist, so construct mapping from the xml files in the directory
Debug.WriteLine(string.Format("Mapping file not found: {0}", mappingPath));
if (Directory.Exists(XmlDirectory))
{
foreach (var xmlFile in Directory.GetFiles(XmlDirectory, "*.xml"))
{
var unit = XmlHelper.StreamElements(xmlFile, SRC.Unit, 0).FirstOrDefault();
if (unit != null)
{
//should be a SrcML file
var sourcePath = SrcMLElement.GetFileNameForUnit(unit);
if (!string.IsNullOrWhiteSpace(sourcePath))
{
ProcessMapFileEntry(sourcePath, Path.GetFullPath(xmlFile));
}
}
}
}
}
}
}
