void CompareItems(List<FileInfo> leftAct, List<FileInfo> leftLast, List<FileInfo> rightAct, List<FileInfo> rightLast, FileInfoCompareItem parentDir)
{
int indexOnLA, indexOnLL, indexOnRA, indexOnRL, count;
FileInfoCompareItem fici;
string[] fileSortString;
string refString;
indexOnLL = indexOnLA = indexOnRA = indexOnRL = 0;
while ((leftAct != null && indexOnLA < leftAct.Count) || (leftLast != null && indexOnLL < leftLast.Count) ||
(rightAct != null && indexOnRA < rightAct.Count) || (rightLast != null && indexOnRL < rightLast.Count))
{
fici = new FileInfoCompareItem();
fici.parentDir = parentDir;
// What files are missing ?
fici.fLAMissing = (leftAct == null || indexOnLA == leftAct.Count);
fici.fLLMissing = (leftLast == null || indexOnLL == leftLast.Count);
fici.fRAMissing = (rightAct == null || indexOnRA == rightAct.Count);
fici.fRLMissing = (rightLast == null || indexOnRL == rightLast.Count);
// We need the first file => ref string!
fileSortString = new string[] { fici.fLAMissing ? "" : leftAct[indexOnLA].FileName, fici.fLLMissing ? "" : leftLast[indexOnLL].FileName,
fici.fRAMissing ? "" : rightAct[indexOnRA].FileName, fici.fRLMissing ? "" : rightLast[indexOnRL].FileName};
Array.Sort(fileSortString);
refString = "";
for (count = 0; count < 4; count++)
{
if (fileSortString[count].Length > 0)
{
refString = fileSortString[count];
break;
}
}
// Add the infos !
if (!fici.fLAMissing && string.Compare(refString, leftAct[indexOnLA].FileName, true) == 0)
fici.fLeftAct = leftAct[indexOnLA++];
else
fici.fLAMissing = true;
if (!fici.fLLMissing && string.Compare(refString, leftLast[indexOnLL].FileName, true) == 0)
fici.fLeftLast = leftLast[indexOnLL++];
else
fici.fLLMissing = true;
if (!fici.fRAMissing && string.Compare(refString, rightAct[indexOnRA].FileName, true) == 0)
fici.fRightAct = rightAct[indexOnRA++];
else
fici.fRAMissing = true;
if (!fici.fRLMissing && string.Compare(refString, rightLast[indexOnRL].FileName, true) == 0)
fici.fRightLast = rightLast[indexOnRL++];
else
fici.fRLMissing = true;
// Left is not existing but on right side
if (fici.fLeftAct == null && fici.fRightAct != null)
{
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
// was the file there at the last sync
if (fici.fLeftLast != null)
{
// yes, so we must delete the right file; if it was not altered since last sync
if (fici.fLeftLast.FileTimeWrite == fici.fRightAct.FileTimeWrite &&
fici.fLeftLast.FileLength == fici.fRightAct.FileLength)
fici.fRightDelete = true;
else
// Else copy the right one
fici.fRightCopy = true;
}
else
// no, just copy right
fici.fRightCopy = true;
}
else
// On Left-to-Right, if right is existing, delete !
fici.fRightDelete = true;
}
// Right is not existing but on the left side
else if (fici.fRightAct == null && fici.fLeftAct != null)
{
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
// was the file there at the last sync
if (fici.fRightLast != null)
{
// yes, so we must delete the left file; if it was not altered since last sync
if (fici.fRightLast.FileTimeWrite == fici.fLeftAct.FileTimeWrite &&
fici.fRightLast.FileLength == fici.fLeftAct.FileLength)
fici.fLeftDelete = true;
else
// Else copy the left one
fici.fLeftCopy = true;
}
else
// no, just copy left
fici.fLeftCopy = true;
}
else
// On Left-To-Right, if right is not existing, copy left
fici.fLeftCopy = true;
}
// Both files are existing
else if (fici.fRightAct != null && fici.fLeftAct != null)
{
// Do the files differ ?
if (fici.fLeftAct.FileTimeWrite != fici.fRightAct.FileTimeWrite ||
fici.fLeftAct.FileLength != fici.fRightAct.FileLength)
{
bool leftChanged, rightChanged;
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
leftChanged = !(fici.fLeftLast != null &&
fici.fLeftAct.FileTimeWrite == fici.fLeftLast.FileTimeWrite &&
fici.fLeftAct.FileLength == fici.fLeftLast.FileLength);
rightChanged = !(fici.fRightLast != null &&
fici.fRightAct.FileTimeWrite == fici.fRightLast.FileTimeWrite &&
fici.fRightAct.FileLength == fici.fRightLast.FileLength);
// Left changed and right unchanged, copy the left one !
if (leftChanged && !rightChanged)
fici.fLeftCopy = true;
// Right changed and left unchanged, copy the right one !
else if (!leftChanged && rightChanged)
fici.fRightCopy = true;
// We have a conflict !
else
fici.fConflict = true;
}
else
// On Left-To-Right, if differ copy the left
fici.fLeftCopy = true;
}
}
compareItems.Add(fici);
};
}
void CompareDirectoryWithSub(FileInfo fiLeftAct, FileInfo fiLeftLast, FileInfo fiRightAct, FileInfo fiRightLast, FileInfoCompareItem parentDir)
{
int lastRecFici = 0;
CompareItems(fiLeftAct == null ? null : fiLeftAct.Files, fiLeftLast == null ? null : fiLeftLast.Files,
fiRightAct == null ? null : fiRightAct.Files, fiRightLast == null ? null : fiRightLast.Files, parentDir);
CompareItems(fiLeftAct == null ? null : fiLeftAct.Directories, fiLeftLast == null ? null : fiLeftLast.Directories,
fiRightAct == null ? null : fiRightAct.Directories, fiRightLast == null ? null : fiRightLast.Directories, parentDir);
while (compareItems.Count > lastRecFici)
{
if (compareItems[lastRecFici].IsDirectory)
{
CompareItems(compareItems[lastRecFici].fLeftAct == null ? null : compareItems[lastRecFici].fLeftAct.Files,
compareItems[lastRecFici].fLeftLast == null ? null : compareItems[lastRecFici].fLeftLast.Files,
compareItems[lastRecFici].fRightAct == null ? null : compareItems[lastRecFici].fRightAct.Files,
compareItems[lastRecFici].fRightLast == null ? null : compareItems[lastRecFici].fRightLast.Files, parentDir);
CompareItems(compareItems[lastRecFici].fLeftAct == null ? null : compareItems[lastRecFici].fLeftAct.Directories,
compareItems[lastRecFici].fLeftLast == null ? null : compareItems[lastRecFici].fLeftLast.Directories,
compareItems[lastRecFici].fRightAct == null ? null : compareItems[lastRecFici].fRightAct.Directories,
compareItems[lastRecFici].fRightLast == null ? null : compareItems[lastRecFici].fRightLast.Directories, parentDir);
}
lastRecFici++;
}
}
void CompareDirectoryWithSub(FileInfo fiLeftAct, FileInfo fiLeftLast, FileInfo fiRightAct, FileInfo fiRightLast, FileInfoCompareItem parentDir)
{
int lastRecFici = 0;
CompareItems(fiLeftAct == null ? null : fiLeftAct.Files, fiLeftLast == null ? null : fiLeftLast.Files,
fiRightAct == null ? null : fiRightAct.Files, fiRightLast == null ? null : fiRightLast.Files, parentDir);
CompareItems(fiLeftAct == null ? null : fiLeftAct.Directories, fiLeftLast == null ? null : fiLeftLast.Directories,
fiRightAct == null ? null : fiRightAct.Directories, fiRightLast == null ? null : fiRightLast.Directories, parentDir);
while (compareItems.Count > lastRecFici)
{
if (compareItems[lastRecFici].IsDirectory)
{
CompareItems(compareItems[lastRecFici].fLeftAct == null ? null : compareItems[lastRecFici].fLeftAct.Files,
compareItems[lastRecFici].fLeftLast == null ? null : compareItems[lastRecFici].fLeftLast.Files,
compareItems[lastRecFici].fRightAct == null ? null : compareItems[lastRecFici].fRightAct.Files,
compareItems[lastRecFici].fRightLast == null ? null : compareItems[lastRecFici].fRightLast.Files, parentDir);
CompareItems(compareItems[lastRecFici].fLeftAct == null ? null : compareItems[lastRecFici].fLeftAct.Directories,
compareItems[lastRecFici].fLeftLast == null ? null : compareItems[lastRecFici].fLeftLast.Directories,
compareItems[lastRecFici].fRightAct == null ? null : compareItems[lastRecFici].fRightAct.Directories,
compareItems[lastRecFici].fRightLast == null ? null : compareItems[lastRecFici].fRightLast.Directories, parentDir);
}
lastRecFici++;
}
}
void CompareItems(List <FileInfo> leftAct, List <FileInfo> leftLast, List <FileInfo> rightAct, List <FileInfo> rightLast, FileInfoCompareItem parentDir)
{
int indexOnLA, indexOnLL, indexOnRA, indexOnRL, count;
FileInfoCompareItem fici;
string[] fileSortString;
string refString;
indexOnLL = indexOnLA = indexOnRA = indexOnRL = 0;
while ((leftAct != null && indexOnLA < leftAct.Count) || (leftLast != null && indexOnLL < leftLast.Count) ||
(rightAct != null && indexOnRA < rightAct.Count) || (rightLast != null && indexOnRL < rightLast.Count))
{
fici = new FileInfoCompareItem();
fici.parentDir = parentDir;
// What files are missing ?
fici.fLAMissing = (leftAct == null || indexOnLA == leftAct.Count);
fici.fLLMissing = (leftLast == null || indexOnLL == leftLast.Count);
fici.fRAMissing = (rightAct == null || indexOnRA == rightAct.Count);
fici.fRLMissing = (rightLast == null || indexOnRL == rightLast.Count);
// We need the first file => ref string!
fileSortString = new string[] { fici.fLAMissing ? "" : leftAct[indexOnLA].FileName, fici.fLLMissing ? "" : leftLast[indexOnLL].FileName,
fici.fRAMissing ? "" : rightAct[indexOnRA].FileName, fici.fRLMissing ? "" : rightLast[indexOnRL].FileName };
Array.Sort(fileSortString);
refString = "";
for (count = 0; count < 4; count++)
{
if (fileSortString[count].Length > 0)
{
refString = fileSortString[count];
break;
}
}
// Add the infos !
if (!fici.fLAMissing && string.Compare(refString, leftAct[indexOnLA].FileName, true) == 0)
{
fici.fLeftAct = leftAct[indexOnLA++];
}
else
{
fici.fLAMissing = true;
}
if (!fici.fLLMissing && string.Compare(refString, leftLast[indexOnLL].FileName, true) == 0)
{
fici.fLeftLast = leftLast[indexOnLL++];
}
else
{
fici.fLLMissing = true;
}
if (!fici.fRAMissing && string.Compare(refString, rightAct[indexOnRA].FileName, true) == 0)
{
fici.fRightAct = rightAct[indexOnRA++];
}
else
{
fici.fRAMissing = true;
}
if (!fici.fRLMissing && string.Compare(refString, rightLast[indexOnRL].FileName, true) == 0)
{
fici.fRightLast = rightLast[indexOnRL++];
}
else
{
fici.fRLMissing = true;
}
// Left is not existing but on right side
if (fici.fLeftAct == null && fici.fRightAct != null)
{
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
// was the file there at the last sync
if (fici.fLeftLast != null)
{
// yes, so we must delete the right file; if it was not altered since last sync
if (fici.fLeftLast.FileTimeWrite == fici.fRightAct.FileTimeWrite &&
fici.fLeftLast.FileLength == fici.fRightAct.FileLength)
{
fici.fRightDelete = true;
}
else
{
// Else copy the right one
fici.fRightCopy = true;
}
}
else
{
// no, just copy right
fici.fRightCopy = true;
}
}
else
{
// On Left-to-Right, if right is existing, delete !
fici.fRightDelete = true;
}
}
// Right is not existing but on the left side
else if (fici.fRightAct == null && fici.fLeftAct != null)
{
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
// was the file there at the last sync
if (fici.fRightLast != null)
{
// yes, so we must delete the left file; if it was not altered since last sync
if (fici.fRightLast.FileTimeWrite == fici.fLeftAct.FileTimeWrite &&
fici.fRightLast.FileLength == fici.fLeftAct.FileLength)
{
fici.fLeftDelete = true;
}
else
{
// Else copy the left one
fici.fLeftCopy = true;
}
}
else
{
// no, just copy left
fici.fLeftCopy = true;
}
}
else
{
// On Left-To-Right, if right is not existing, copy left
fici.fLeftCopy = true;
}
}
// Both files are existing
else if (fici.fRightAct != null && fici.fLeftAct != null)
{
// Do the files differ ?
if (fici.fLeftAct.FileTimeWrite != fici.fRightAct.FileTimeWrite ||
fici.fLeftAct.FileLength != fici.fRightAct.FileLength)
{
bool leftChanged, rightChanged;
fici.fDiffer = true;
if (compareType == FileInfoCompareType.FullSync)
{
leftChanged = !(fici.fLeftLast != null &&
fici.fLeftAct.FileTimeWrite == fici.fLeftLast.FileTimeWrite &&
fici.fLeftAct.FileLength == fici.fLeftLast.FileLength);
rightChanged = !(fici.fRightLast != null &&
fici.fRightAct.FileTimeWrite == fici.fRightLast.FileTimeWrite &&
fici.fRightAct.FileLength == fici.fRightLast.FileLength);
// Left changed and right unchanged, copy the left one !
if (leftChanged && !rightChanged)
{
fici.fLeftCopy = true;
}
// Right changed and left unchanged, copy the right one !
else if (!leftChanged && rightChanged)
{
fici.fRightCopy = true;
}
// We have a conflict !
else
{
fici.fConflict = true;
}
}
else
{
// On Left-To-Right, if differ copy the left
fici.fLeftCopy = true;
}
}
}
compareItems.Add(fici);
}
;
}