public int Replace(IEnumerable <ReplaceDef> files, SearchType searchType, string searchPattern, string replacePattern, GrepSearchOption searchOptions, int codePage)
{
string tempFolder = Utils.GetTempFolder();
if (files == null || !files.Any() || !Directory.Exists(tempFolder))
{
return(0);
}
GrepEngineBase.ResetGuidxCache();
replacePattern = Utils.ReplaceSpecialCharacters(replacePattern);
int processedFiles = 0;
Utils.CancelSearch = false;
string tempFileName = null;
try
{
foreach (var item in files)
{
ProcessedFile(this, new ProgressStatus(true, processedFiles, processedFiles, null, item.OrginalFile));
// the value in the files dictionary is the temp file name assigned by
// the caller for any possible Undo operation
tempFileName = Path.Combine(tempFolder, item.BackupName);
IGrepEngine engine = GrepEngineFactory.GetReplaceEngine(item.OrginalFile, SearchParams, FileFilter);
try
{
processedFiles++;
// Copy file
Utils.CopyFile(item.OrginalFile, tempFileName, true);
Utils.DeleteFile(item.OrginalFile);
Encoding encoding = Encoding.Default;
if (codePage > -1)
{
encoding = Encoding.GetEncoding(codePage);
}
else if (!Utils.IsBinary(tempFileName))
{
encoding = Utils.GetFileEncoding(tempFileName);
}
// The UTF-8 encoding returned from Encoding.GetEncoding("utf-8") includes the BOM - see Encoding.GetPreamble()
// If this file does not have the BOM, then change to an encoder without the BOM so the BOM is not added in
// the replace operation
if (encoding is UTF8Encoding && !Utils.HasUtf8ByteOrderMark(tempFileName))
{
encoding = new UTF8Encoding(false);
}
if (Utils.CancelSearch)
{
break;
}
if (!engine.Replace(tempFileName, item.OrginalFile, searchPattern, replacePattern, searchType, searchOptions, encoding, item.ReplaceItems))
{
throw new ApplicationException("Replace failed for file: " + item.OrginalFile);
}
if (!Utils.CancelSearch)
{
ProcessedFile(this, new ProgressStatus(false, processedFiles, processedFiles, null, item.OrginalFile));
}
File.SetAttributes(item.OrginalFile, File.GetAttributes(tempFileName));
GrepEngineFactory.ReturnToPool(item.OrginalFile, engine);
if (Utils.CancelSearch)
{
// Replace the file
Utils.DeleteFile(item.OrginalFile);
Utils.CopyFile(tempFileName, item.OrginalFile, true);
break;
}
}
catch (Exception ex)
{
logger.Log <Exception>(LogLevel.Error, ex.Message, ex);
try
{
// Replace the file
if (File.Exists(tempFileName) && File.Exists(item.OrginalFile))
{
Utils.DeleteFile(item.OrginalFile);
Utils.CopyFile(tempFileName, item.OrginalFile, true);
}
}
catch
{
// DO NOTHING
}
return(-1);
}
}
}
finally
{
GrepEngineFactory.UnloadEngines();
}
return(processedFiles);
}