diff options
Diffstat (limited to 'comparison.cpp')
-rw-r--r-- | comparison.cpp | 458 |
1 files changed, 228 insertions, 230 deletions
diff --git a/comparison.cpp b/comparison.cpp index 3cb20df0..6db6cf03 100644 --- a/comparison.cpp +++ b/comparison.cpp @@ -10,6 +10,7 @@ #include <zen/perf.h> #include <zen/scope_guard.h> #include <zen/process_priority.h> +#include <zen/symlink_target.h> #include <zen/format_unit.h> #include "algorithm.h" #include "lib/parallel_scan.h" @@ -74,19 +75,19 @@ void checkForIncompleteInput(const std::vector<FolderPairCfg>& folderPairsForm, } -std::set<Zstring, LessFilename> determineExistentDirs(const std::vector<Zstring>& dirnames, +std::set<Zstring, LessFilename> determineExistentDirs(const std::set<Zstring, LessFilename>& dirnames, bool allowUserInteraction, ProcessCallback& callback) { std::set<Zstring, LessFilename> dirsEx; - tryReportingError([&] + tryReportingError2([&] { dirsEx = getExistingDirsUpdating(dirnames, allowUserInteraction, callback); //check *all* directories on each try! //get list of not existing directories - std::vector<Zstring> dirsMissing = dirnames; - vector_remove_if(dirsMissing, [&](const Zstring& dirname) { return dirname.empty() || dirsEx.find(dirname) != dirsEx.end(); }); + std::set<Zstring, LessFilename> dirsMissing = dirnames; + set_remove_if(dirsMissing, [&](const Zstring& dirname) { return dirname.empty() || dirsEx.find(dirname) != dirsEx.end(); }); if (!dirsMissing.empty()) { @@ -175,7 +176,6 @@ bool filesHaveSameContentUpdating(const Zstring& filename1, const Zstring& filen return sameContent; } -} //############################################################################################################################# @@ -254,156 +254,8 @@ ComparisonBuffer::ComparisonBuffer(const std::set<DirectoryKey>& keysToRead, } -void zen::compare(size_t fileTimeTolerance, - xmlAccess::OptionalDialogs& warnings, - bool allowUserInteraction, - bool runWithBackgroundPriority, - bool createDirLocks, - std::unique_ptr<LockHolder>& dirLocks, - const std::vector<FolderPairCfg>& cfgList, - FolderComparison& output, - ProcessCallback& callback) -{ - //specify process and resource handling priorities - std::unique_ptr<ScheduleForBackgroundProcessing> backgroundPrio; - if (runWithBackgroundPriority) - try - { - backgroundPrio = make_unique<ScheduleForBackgroundProcessing>(); //throw FileError - } - catch (const FileError& e) - { - //not an error in this context - callback.reportInfo(e.toString()); //may throw! - } - - //prevent operating system going into sleep state - std::unique_ptr<PreventStandby> noStandby; - try - { - noStandby = make_unique<PreventStandby>(); //throw FileError - } - catch (const FileError& e) - { - //not an error in this context - callback.reportInfo(e.toString()); //may throw! - } - - //PERF_START; - - callback.reportInfo(_("Start comparison")); //we want some indicator at the very beginning to make sense of "total time" - - //init process: keep at beginning so that all gui elements are initialized properly - callback.initNewPhase(-1, 0, ProcessCallback::PHASE_SCANNING); //it's not known how many files will be scanned => -1 objects - - //-------------------some basic checks:------------------------------------------ - - checkForIncompleteInput(cfgList, warnings.warningInputFieldEmpty, callback); - checkFolderDependency (cfgList, warnings.warningDependentFolders, callback); - - std::set<Zstring, LessFilename> dirnamesExisting; - //list of directories that are *expected* to be existent (and need to be scanned)! - //directory existence only checked *once* to avoid race conditions! - { - std::vector<Zstring> dirnames; - std::for_each(cfgList.begin(), cfgList.end(), - [&](const FolderPairCfg& fpCfg) - { - dirnames.push_back(fpCfg.leftDirectoryFmt); - dirnames.push_back(fpCfg.rightDirectoryFmt); - }); - dirnamesExisting = determineExistentDirs(dirnames, allowUserInteraction, callback); - } - - auto dirAvailable = [&](const Zstring& dirnameFmt) { return dirnamesExisting.find(dirnameFmt) != dirnamesExisting.end(); }; - - //-------------------end of basic checks------------------------------------------ - - try - { - //lock (existing) directories before comparison - if (createDirLocks) - dirLocks = make_unique<LockHolder>(dirnamesExisting, warnings.warningDirectoryLockFailed, callback); - - //------------------- fill directory buffer --------------------------------------------------- - std::set<DirectoryKey> keysToRead; - - std::for_each(cfgList.begin(), cfgList.end(), - [&](const FolderPairCfg& fpCfg) - { - if (dirAvailable(fpCfg.leftDirectoryFmt)) //only request *currently existing* directories: at this point user is aware that non-ex + empty string are seen as empty folder! - keysToRead.insert(DirectoryKey(fpCfg.leftDirectoryFmt, fpCfg.filter.nameFilter, fpCfg.handleSymlinks)); - if (dirAvailable(fpCfg.rightDirectoryFmt)) - keysToRead.insert(DirectoryKey(fpCfg.rightDirectoryFmt, fpCfg.filter.nameFilter, fpCfg.handleSymlinks)); - }); - - ComparisonBuffer cmpBuff(keysToRead, - fileTimeTolerance, - callback); - - //------------ traverse/read folders ----------------------------------------------------- - - FolderComparison output_tmp; //write to output not before END of process! - - //buffer "config"/"result of binary comparison" for latter processing as a single block - std::vector<std::pair<FolderPairCfg, BaseDirMapping*>> workLoadBinary; - - std::for_each(cfgList.begin(), cfgList.end(), - [&](const FolderPairCfg& fpCfg) - { - //a pity VC11 screws up on std::make_shared with 7 arguments... - output_tmp.push_back(std::shared_ptr<BaseDirMapping>(new BaseDirMapping(fpCfg.leftDirectoryFmt, - dirAvailable(fpCfg.leftDirectoryFmt), - fpCfg.rightDirectoryFmt, - dirAvailable(fpCfg.rightDirectoryFmt), - fpCfg.filter.nameFilter, - fpCfg.compareVar, - fileTimeTolerance))); - switch (fpCfg.compareVar) - { - case CMP_BY_TIME_SIZE: - cmpBuff.compareByTimeSize(fpCfg, *output_tmp.back()); - break; - case CMP_BY_CONTENT: - workLoadBinary.push_back(std::make_pair(fpCfg, &*output_tmp.back())); - break; - } - }); - //process binary comparison in one block - cmpBuff.compareByContent(workLoadBinary); - - assert(output_tmp.size() == cfgList.size()); - - //--------- set initial sync-direction -------------------------------------------------- - - for (auto j = begin(output_tmp); j != end(output_tmp); ++j) - { - const FolderPairCfg& fpCfg = cfgList[j - output_tmp.begin()]; - - callback.reportStatus(_("Calculating sync directions...")); - callback.forceUiRefresh(); - zen::redetermineSyncDirection(fpCfg.directionCfg, *j, - [&](const std::wstring& warning) { callback.reportWarning(warning, warnings.warningDatabaseError); }); - } - - //only if everything was processed correctly output is written to! - //note: output mustn't change during this process to be in sync with GUI grid view!!! - output_tmp.swap(output); - } - catch (const std::bad_alloc& e) - { - callback.reportFatalError(_("Out of memory!") + L" " + utfCvrtTo<std::wstring>(e.what())); - } - catch (const std::exception& e) - { - callback.reportFatalError(utfCvrtTo<std::wstring>(e.what())); - } -} - //--------------------assemble conflict descriptions--------------------------- -namespace -{ //const wchar_t arrowLeft [] = L"\u2190"; //const wchar_t arrowRight[] = L"\u2192"; unicode arrows -> too small const wchar_t arrowLeft [] = L"<--"; @@ -413,8 +265,7 @@ const wchar_t arrowRight[] = L"-->"; //check for very old dates or date2s in the future std::wstring getConflictInvalidDate(const Zstring& fileNameFull, Int64 utcTime) { - return _("Conflict detected:") + L"\n" + - replaceCpy(_("File %x has an invalid date!"), L"%x", fmtFileName(fileNameFull)) + L"\n" + + return _("Conflict detected:") + L" " + replaceCpy(_("File %x has an invalid date!"), L"%x", fmtFileName(fileNameFull)) + L"\n" + _("Date:") + L" " + utcToLocalTimeString(utcTime); } @@ -422,8 +273,7 @@ std::wstring getConflictInvalidDate(const Zstring& fileNameFull, Int64 utcTime) //check for changed files with same modification date std::wstring getConflictSameDateDiffSize(const FileMapping& fileObj) { - return _("Conflict detected:") + L"\n" + - replaceCpy(_("Files %x have the same date but a different size!"), L"%x", fmtFileName(fileObj.getObjRelativeName())) + L"\n" + + return _("Conflict detected:") + L" " + replaceCpy(_("Files %x have the same date but a different size!"), L"%x", fmtFileName(fileObj.getObjRelativeName())) + L"\n" + arrowLeft + L" " + _("Date:") + L" " + utcToLocalTimeString(fileObj.getLastWriteTime<LEFT_SIDE >()) + L" " + _("Size:") + L" " + toGuiString(fileObj.getFileSize<LEFT_SIDE>()) + L"\n" + arrowRight + L" " + _("Date:") + L" " + utcToLocalTimeString(fileObj.getLastWriteTime<RIGHT_SIDE>()) + L" " + _("Size:") + L" " + toGuiString(fileObj.getFileSize<RIGHT_SIDE>()); } @@ -445,12 +295,9 @@ std::wstring getDescrDiffMetaDate(const FileOrLinkMapping& fileObj) arrowLeft + L" " + _("Date:") + L" " + utcToLocalTimeString(fileObj.template getLastWriteTime<LEFT_SIDE >()) + L"\n" + arrowRight + L" " + _("Date:") + L" " + utcToLocalTimeString(fileObj.template getLastWriteTime<RIGHT_SIDE>()); } -} //----------------------------------------------------------------------------- -namespace -{ void categorizeSymlinkByTime(SymLinkMapping& linkObj, size_t fileTimeTolerance) { //categorize symlinks that exist on both sides @@ -458,29 +305,14 @@ void categorizeSymlinkByTime(SymLinkMapping& linkObj, size_t fileTimeTolerance) linkObj.getLastWriteTime<RIGHT_SIDE>(), fileTimeTolerance)) { case CmpFileTime::TIME_EQUAL: - if (linkObj.getTargetPath<LEFT_SIDE>().empty()) - linkObj.setCategoryConflict(replaceCpy(_("Cannot resolve symbolic link %x."), L"%x", fmtFileName(linkObj.getFullName<LEFT_SIDE>()))); - else if (linkObj.getTargetPath<RIGHT_SIDE>().empty()) - linkObj.setCategoryConflict(replaceCpy(_("Cannot resolve symbolic link %x."), L"%x", fmtFileName(linkObj.getFullName<RIGHT_SIDE>()))); + //Caveat: + //1. SYMLINK_EQUAL may only be set if short names match in case: InSyncDir's mapping tables use short name as a key! see db_file.cpp + //2. harmonize with "bool stillInSync()" in algorithm.cpp - else if ( -#ifdef FFS_WIN //type of symbolic link is relevant for Windows only - linkObj.getLinkType<LEFT_SIDE>() == linkObj.getLinkType<RIGHT_SIDE>() && -#endif - linkObj.getTargetPath<LEFT_SIDE>() == linkObj.getTargetPath<RIGHT_SIDE>()) //may both be empty if reading link content failed - { - //Caveat: - //1. SYMLINK_EQUAL may only be set if short names match in case: InSyncDir's mapping tables use short name as a key! see db_file.cpp - //2. harmonize with "bool stillInSync()" in algorithm.cpp - - if (linkObj.getShortName<LEFT_SIDE>() == linkObj.getShortName<RIGHT_SIDE>()) - linkObj.setCategory<FILE_EQUAL>(); - else - linkObj.setCategoryDiffMetadata(getDescrDiffMetaShortnameCase(linkObj)); - } + if (linkObj.getShortName<LEFT_SIDE>() == linkObj.getShortName<RIGHT_SIDE>()) + linkObj.setCategory<FILE_EQUAL>(); else - linkObj.setCategoryConflict(_("Conflict detected:") + L"\n" + - replaceCpy(_("Symbolic links %x have the same date but a different target."), L"%x", fmtFileName(linkObj.getObjRelativeName()))); + linkObj.setCategoryDiffMetadata(getDescrDiffMetaShortnameCase(linkObj)); break; case CmpFileTime::TIME_LEFT_NEWER: @@ -500,7 +332,7 @@ void categorizeSymlinkByTime(SymLinkMapping& linkObj, size_t fileTimeTolerance) break; } } -} + void ComparisonBuffer::compareByTimeSize(const FolderPairCfg& fpConfig, BaseDirMapping& output) { @@ -555,40 +387,52 @@ void ComparisonBuffer::compareByTimeSize(const FolderPairCfg& fpConfig, BaseDirM }); } -namespace -{ -void categorizeSymlinkByContent(SymLinkMapping& linkObj, size_t fileTimeTolerance) + +void categorizeSymlinkByContent(SymLinkMapping& linkObj, size_t fileTimeTolerance, ProcessCallback& callback) { //categorize symlinks that exist on both sides - if (linkObj.getTargetPath<LEFT_SIDE>().empty()) - linkObj.setCategoryConflict(replaceCpy(_("Cannot resolve symbolic link %x."), L"%x", fmtFileName(linkObj.getFullName<LEFT_SIDE>()))); - else if (linkObj.getTargetPath<RIGHT_SIDE>().empty()) - linkObj.setCategoryConflict(replaceCpy(_("Cannot resolve symbolic link %x."), L"%x", fmtFileName(linkObj.getFullName<RIGHT_SIDE>()))); - //if one of these is empty it's handled like reading "file content" failed + Zstring targetPathRawL; + Zstring targetPathRawR; + Opt<std::wstring> errMsg = tryReportingError2([&] + { + callback.reportStatus(replaceCpy(_("Resolving symbolic link %x"), L"%x", fmtFileName(linkObj.getFullName<LEFT_SIDE>()))); + targetPathRawL = getSymlinkTargetRaw(linkObj.getFullName<LEFT_SIDE>()); //throw FileError - else if ( + callback.reportStatus(replaceCpy(_("Resolving symbolic link %x"), L"%x", fmtFileName(linkObj.getFullName<RIGHT_SIDE>()))); + targetPathRawR = getSymlinkTargetRaw(linkObj.getFullName<RIGHT_SIDE>()); //throw FileError + }, callback); + + if (errMsg) + linkObj.setCategoryConflict(_("Conflict detected:") + L" " + *errMsg); + else + { + if (targetPathRawL == targetPathRawR #ifdef FFS_WIN //type of symbolic link is relevant for Windows only - linkObj.getLinkType<LEFT_SIDE>() == linkObj.getLinkType<RIGHT_SIDE>() && + && + getSymlinkType(linkObj.getFullName<LEFT_SIDE >()) == + getSymlinkType(linkObj.getFullName<RIGHT_SIDE>()) #endif - linkObj.getTargetPath<LEFT_SIDE>() == linkObj.getTargetPath<RIGHT_SIDE>()) //may both be empty if determination failed!!! - { - //Caveat: - //1. SYMLINK_EQUAL may only be set if short names match in case: InSyncDir's mapping tables use short name as a key! see db_file.cpp - //2. harmonize with "bool stillInSync()" in algorithm.cpp - - //symlinks have same "content" - if (linkObj.getShortName<LEFT_SIDE>() != linkObj.getShortName<RIGHT_SIDE>()) - linkObj.setCategoryDiffMetadata(getDescrDiffMetaShortnameCase(linkObj)); - else if (CmpFileTime::getResult(linkObj.getLastWriteTime<LEFT_SIDE>(), linkObj.getLastWriteTime<RIGHT_SIDE>(), fileTimeTolerance) != CmpFileTime::TIME_EQUAL) - linkObj.setCategoryDiffMetadata(getDescrDiffMetaDate(linkObj)); + ) + { + //Caveat: + //1. SYMLINK_EQUAL may only be set if short names match in case: InSyncDir's mapping tables use short name as a key! see db_file.cpp + //2. harmonize with "bool stillInSync()" in algorithm.cpp + + //symlinks have same "content" + if (linkObj.getShortName<LEFT_SIDE>() != linkObj.getShortName<RIGHT_SIDE>()) + linkObj.setCategoryDiffMetadata(getDescrDiffMetaShortnameCase(linkObj)); + else if (CmpFileTime::getResult(linkObj.getLastWriteTime<LEFT_SIDE>(), + linkObj.getLastWriteTime<RIGHT_SIDE>(), fileTimeTolerance) != CmpFileTime::TIME_EQUAL) + linkObj.setCategoryDiffMetadata(getDescrDiffMetaDate(linkObj)); + else + linkObj.setCategory<FILE_EQUAL>(); + } else - linkObj.setCategory<FILE_EQUAL>(); + linkObj.setCategory<FILE_DIFFERENT>(); } - else - linkObj.setCategory<FILE_DIFFERENT>(); -} } + void ComparisonBuffer::compareByContent(std::vector<std::pair<FolderPairCfg, BaseDirMapping*>>& workLoad) { if (workLoad.empty()) return; @@ -606,7 +450,7 @@ void ComparisonBuffer::compareByContent(std::vector<std::pair<FolderPairCfg, Bas //finish symlink categorization std::for_each(uncategorizedLinks.begin(), uncategorizedLinks.end(), - [&](SymLinkMapping* linkMap) { categorizeSymlinkByContent(*linkMap, fileTimeTolerance); }); + [&](SymLinkMapping* linkMap) { categorizeSymlinkByContent(*linkMap, fileTimeTolerance, callback_); }); } //finish categorization... @@ -634,7 +478,7 @@ void ComparisonBuffer::compareByContent(std::vector<std::pair<FolderPairCfg, Bas to<Int64>(bytesTotal), ProcessCallback::PHASE_COMPARING_CONTENT); - const std::wstring txtComparingContentOfFiles = replaceCpy(_("Comparing content of files %x"), L"%x", L"\n%x", false); + const std::wstring txtComparingContentOfFiles = _("Comparing content of files %x"); //compare files (that have same size) bytewise... std::for_each(filesToCompareBytewise.begin(), filesToCompareBytewise.end(), @@ -644,12 +488,23 @@ void ComparisonBuffer::compareByContent(std::vector<std::pair<FolderPairCfg, Bas //check files that exist in left and right model but have different content - if (!tryReportingError([&] - { - if (filesHaveSameContentUpdating(fileObj->getFullName<LEFT_SIDE>(), //throw FileError + bool haveSameContent = false; + Opt<std::wstring> errMsg = tryReportingError2([&] + { + haveSameContent = filesHaveSameContentUpdating(fileObj->getFullName<LEFT_SIDE>(), //throw FileError fileObj->getFullName<RIGHT_SIDE>(), to<Int64>(fileObj->getFileSize<LEFT_SIDE>()), - callback_)) + callback_); + + callback_.updateProcessedData(1, 0); //processed bytes are reported in subfunctions! + callback_.requestUiRefresh(); //may throw + }, callback_); + + if (errMsg) + fileObj->setCategoryConflict(_("Conflict detected:") + L" " + *errMsg); + else + { + if (haveSameContent) { //Caveat: //1. FILE_EQUAL may only be set if short names match in case: InSyncDir's mapping tables use short name as a key! see db_file.cpp @@ -663,19 +518,11 @@ void ComparisonBuffer::compareByContent(std::vector<std::pair<FolderPairCfg, Bas } else fileObj->setCategory<FILE_DIFFERENT>(); - - callback_.updateProcessedData(1, 0); //processed bytes are reported in subfunctions! - - }, callback_)) - fileObj->setCategoryConflict(_("Conflict detected:") + L"\n" + _("Comparing files by content failed.")); - - callback_.requestUiRefresh(); //may throw + } }); } -namespace -{ class MergeSides { public: @@ -837,7 +684,6 @@ void processFilteredDirs(HierarchyObject& hierObj, const HardFilter& filterProc) dirObj.refSubFiles().empty(); }); } -} //create comparison result table and fill category except for files existing on both sides: undefinedFiles and undefinedLinks are appended! @@ -879,19 +725,171 @@ void ComparisonBuffer::performComparison(const FolderPairCfg& fpCfg, addSoftFiltering(output, fpCfg.filter.timeSizeFilter); //properly handle (user-ignored) traversing errors: just uncheck them, no need to physically delete them (<automatic> mode will be grateful) - std::set<Zstring> failedReads; - if (bufValueLeft ) failedReads.insert(bufValueLeft ->failedReads.begin(), bufValueLeft ->failedReads.end()); - if (bufValueRight) failedReads.insert(bufValueRight->failedReads.begin(), bufValueRight->failedReads.end()); + auto addToSet = [](std::set<Zstring>& s, const std::set<Zstring>& v) { s.insert(v.begin(), v.end()); }; + std::set<Zstring> failedDirReads; + if (bufValueLeft ) addToSet(failedDirReads, bufValueLeft ->failedDirReads); + if (bufValueRight) addToSet(failedDirReads, bufValueRight->failedDirReads); - if (!failedReads.empty()) + std::set<Zstring> failedItemReads; + if (bufValueLeft ) addToSet(failedItemReads, bufValueLeft ->failedItemReads); + if (bufValueRight) addToSet(failedItemReads, bufValueRight->failedItemReads); + + if (!failedDirReads.empty() || !failedItemReads.empty()) { Zstring filterFailedRead; - //exclude subfolders only - std::for_each(failedReads.begin(), failedReads.end(), - [&](const Zstring& relDirPf) { filterFailedRead += relDirPf + Zstr("?*\n"); }); //note: relDirPf is empty for base dir, otherwise postfixed! e.g. "subdir\" + std::for_each(failedDirReads .begin(), failedDirReads .end(), [&](const Zstring& relDirPf) { filterFailedRead += relDirPf + Zstr("?*\n"); }); //exclude child items only! + std::for_each(failedItemReads.begin(), failedItemReads.end(), [&](const Zstring& relItem ) { filterFailedRead += relItem + Zstr("\n"); }); //exclude item AND child items! addHardFiltering(output, filterFailedRead); } //################################################################################## } +} + + +void zen::compare(size_t fileTimeTolerance, + xmlAccess::OptionalDialogs& warnings, + bool allowUserInteraction, + bool runWithBackgroundPriority, + bool createDirLocks, + std::unique_ptr<LockHolder>& dirLocks, + const std::vector<FolderPairCfg>& cfgList, + FolderComparison& output, + ProcessCallback& callback) +{ + //specify process and resource handling priorities + std::unique_ptr<ScheduleForBackgroundProcessing> backgroundPrio; + if (runWithBackgroundPriority) + try + { + backgroundPrio = make_unique<ScheduleForBackgroundProcessing>(); //throw FileError + } + catch (const FileError& e) + { + //not an error in this context + callback.reportInfo(e.toString()); //may throw! + } + + //prevent operating system going into sleep state + std::unique_ptr<PreventStandby> noStandby; + try + { + noStandby = make_unique<PreventStandby>(); //throw FileError + } + catch (const FileError& e) + { + //not an error in this context + callback.reportInfo(e.toString()); //may throw! + } + + //PERF_START; + + callback.reportInfo(_("Start comparison")); //we want some indicator at the very beginning to make sense of "total time" + + //init process: keep at beginning so that all gui elements are initialized properly + callback.initNewPhase(-1, 0, ProcessCallback::PHASE_SCANNING); //it's not known how many files will be scanned => -1 objects + + //-------------------some basic checks:------------------------------------------ + + checkForIncompleteInput(cfgList, warnings.warningInputFieldEmpty, callback); + checkFolderDependency (cfgList, warnings.warningDependentFolders, callback); + + std::set<Zstring, LessFilename> dirnamesExisting; + //list of directories that are *expected* to be existent (and need to be scanned)! + //directory existence only checked *once* to avoid race conditions! + { + std::set<Zstring, LessFilename> dirnames; + std::for_each(cfgList.begin(), cfgList.end(), + [&](const FolderPairCfg& fpCfg) + { + dirnames.insert(fpCfg.leftDirectoryFmt); + dirnames.insert(fpCfg.rightDirectoryFmt); + }); + dirnamesExisting = determineExistentDirs(dirnames, allowUserInteraction, callback); + } + + auto dirAvailable = [&](const Zstring& dirnameFmt) { return dirnamesExisting.find(dirnameFmt) != dirnamesExisting.end(); }; + + //-------------------end of basic checks------------------------------------------ + + try + { + //lock (existing) directories before comparison + if (createDirLocks) + dirLocks = make_unique<LockHolder>(dirnamesExisting, warnings.warningDirectoryLockFailed, callback); + + //------------------- fill directory buffer --------------------------------------------------- + std::set<DirectoryKey> keysToRead; + + std::for_each(cfgList.begin(), cfgList.end(), + [&](const FolderPairCfg& fpCfg) + { + if (dirAvailable(fpCfg.leftDirectoryFmt)) //only request *currently existing* directories: at this point user is aware that non-ex + empty string are seen as empty folder! + keysToRead.insert(DirectoryKey(fpCfg.leftDirectoryFmt, fpCfg.filter.nameFilter, fpCfg.handleSymlinks)); + if (dirAvailable(fpCfg.rightDirectoryFmt)) + keysToRead.insert(DirectoryKey(fpCfg.rightDirectoryFmt, fpCfg.filter.nameFilter, fpCfg.handleSymlinks)); + }); + + ComparisonBuffer cmpBuff(keysToRead, + fileTimeTolerance, + callback); + + //------------ traverse/read folders ----------------------------------------------------- + + FolderComparison output_tmp; //write to output not before END of process! + + //buffer "config"/"result of binary comparison" for latter processing as a single block + std::vector<std::pair<FolderPairCfg, BaseDirMapping*>> workLoadBinary; + + std::for_each(cfgList.begin(), cfgList.end(), + [&](const FolderPairCfg& fpCfg) + { + //a pity VC11 screws up on std::make_shared with 7 arguments... + output_tmp.push_back(std::shared_ptr<BaseDirMapping>(new BaseDirMapping(fpCfg.leftDirectoryFmt, + dirAvailable(fpCfg.leftDirectoryFmt), + fpCfg.rightDirectoryFmt, + dirAvailable(fpCfg.rightDirectoryFmt), + fpCfg.filter.nameFilter, + fpCfg.compareVar, + fileTimeTolerance))); + switch (fpCfg.compareVar) + { + case CMP_BY_TIME_SIZE: + cmpBuff.compareByTimeSize(fpCfg, *output_tmp.back()); + break; + case CMP_BY_CONTENT: + workLoadBinary.push_back(std::make_pair(fpCfg, &*output_tmp.back())); + break; + } + }); + //process binary comparison in one block + cmpBuff.compareByContent(workLoadBinary); + + assert(output_tmp.size() == cfgList.size()); + + //--------- set initial sync-direction -------------------------------------------------- + + for (auto j = begin(output_tmp); j != end(output_tmp); ++j) + { + const FolderPairCfg& fpCfg = cfgList[j - output_tmp.begin()]; + + callback.reportStatus(_("Calculating sync directions...")); + callback.forceUiRefresh(); + zen::redetermineSyncDirection(fpCfg.directionCfg, *j, + [&](const std::wstring& warning) { callback.reportWarning(warning, warnings.warningDatabaseError); }); + } + + //only if everything was processed correctly output is written to! + //note: output mustn't change during this process to be in sync with GUI grid view!!! + output_tmp.swap(output); + } + catch (const std::bad_alloc& e) + { + callback.reportFatalError(_("Out of memory!") + L" " + utfCvrtTo<std::wstring>(e.what())); + } + catch (const std::exception& e) + { + callback.reportFatalError(utfCvrtTo<std::wstring>(e.what())); + } +} |