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authorDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
committerDaniel Wilhelm <daniel@wili.li>2014-04-18 17:29:28 +0200
commit75c07011b7c4d06acd7b45dabdcd60ab9d80f385 (patch)
tree8853c3978dd152ef377e652239448b1352320206 /structures.cpp
parent5.22 (diff)
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Diffstat (limited to 'structures.cpp')
-rw-r--r--structures.cpp516
1 files changed, 0 insertions, 516 deletions
diff --git a/structures.cpp b/structures.cpp
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-// **************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
-// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved *
-// **************************************************************************
-
-#include "structures.h"
-#include <iterator>
-#include <stdexcept>
-#include <ctime>
-#include <zen/i18n.h>
-#include <zen/time.h>
-
-using namespace zen;
-
-
-std::wstring zen::getVariantName(CompareVariant var)
-{
- switch (var)
- {
- case CMP_BY_CONTENT:
- return _("File content");
- case CMP_BY_TIME_SIZE:
- return _("File time and size");
- }
- assert(false);
- return _("Error");
-}
-
-
-std::wstring zen::getVariantName(DirectionConfig::Variant var)
-{
- switch (var)
- {
- case DirectionConfig::TWOWAY:
- return L"<- " + _("Two way") + L" ->";
- case DirectionConfig::MIRROR:
- return _("Mirror") + L" ->>";
- case DirectionConfig::UPDATE:
- return _("Update") + L" ->";
- case DirectionConfig::CUSTOM:
- return _("Custom");
- }
- assert(false);
- return _("Error");
-}
-
-
-DirectionSet zen::extractDirections(const DirectionConfig& cfg)
-{
- DirectionSet output;
- switch (cfg.var)
- {
- case DirectionConfig::TWOWAY:
- throw std::logic_error("there are no predefined directions for automatic mode!");
-
- case DirectionConfig::MIRROR:
- output.exLeftSideOnly = SyncDirection::RIGHT;
- output.exRightSideOnly = SyncDirection::RIGHT;
- output.leftNewer = SyncDirection::RIGHT;
- output.rightNewer = SyncDirection::RIGHT;
- output.different = SyncDirection::RIGHT;
- output.conflict = SyncDirection::RIGHT;
- break;
-
- case DirectionConfig::UPDATE:
- output.exLeftSideOnly = SyncDirection::RIGHT;
- output.exRightSideOnly = SyncDirection::NONE;
- output.leftNewer = SyncDirection::RIGHT;
- output.rightNewer = SyncDirection::NONE;
- output.different = SyncDirection::RIGHT;
- output.conflict = SyncDirection::NONE;
- break;
-
- case DirectionConfig::CUSTOM:
- output = cfg.custom;
- break;
- }
- return output;
-}
-
-
-bool zen::detectMovedFilesSelectable(const DirectionConfig& cfg)
-{
- if (cfg.var == DirectionConfig::TWOWAY)
- return false; //moved files are always detected since we have the database file anyway
-
- const DirectionSet tmp = zen::extractDirections(cfg);
- return (tmp.exLeftSideOnly == SyncDirection::RIGHT &&
- tmp.exRightSideOnly == SyncDirection::RIGHT) ||
- (tmp.exLeftSideOnly == SyncDirection::LEFT&&
- tmp.exRightSideOnly == SyncDirection::LEFT);
-}
-
-
-bool zen::detectMovedFilesEnabled(const DirectionConfig& cfg)
-{
- return detectMovedFilesSelectable(cfg) ? cfg.detectMovedFiles : cfg.var == DirectionConfig::TWOWAY;
-}
-
-
-DirectionSet zen::getTwoWayUpdateSet()
-{
- DirectionSet output;
- output.exLeftSideOnly = SyncDirection::RIGHT;
- output.exRightSideOnly = SyncDirection::LEFT;
- output.leftNewer = SyncDirection::RIGHT;
- output.rightNewer = SyncDirection::LEFT;
- output.different = SyncDirection::NONE;
- output.conflict = SyncDirection::NONE;
- return output;
-}
-
-
-std::wstring MainConfiguration::getCompVariantName() const
-{
- const CompareVariant firstVariant = firstPair.altCmpConfig.get() ?
- firstPair.altCmpConfig->compareVar :
- cmpConfig.compareVar; //fallback to main sync cfg
-
- //test if there's a deviating variant within the additional folder pairs
- for (const FolderPairEnh& fp : additionalPairs)
- {
- const CompareVariant thisVariant = fp.altCmpConfig.get() ?
- fp.altCmpConfig->compareVar :
- cmpConfig.compareVar; //fallback to main sync cfg
- if (thisVariant != firstVariant)
- return _("Multiple...");
- }
-
- //seems to be all in sync...
- return getVariantName(firstVariant);
-}
-
-
-std::wstring MainConfiguration::getSyncVariantName() const
-{
- const DirectionConfig::Variant firstVariant = firstPair.altSyncConfig.get() ?
- firstPair.altSyncConfig->directionCfg.var :
- syncCfg.directionCfg.var; //fallback to main sync cfg
-
- //test if there's a deviating variant within the additional folder pairs
- for (const FolderPairEnh& fp : additionalPairs)
- {
- const DirectionConfig::Variant thisVariant = fp.altSyncConfig.get() ?
- fp.altSyncConfig->directionCfg.var :
- syncCfg.directionCfg.var;
- if (thisVariant != firstVariant)
- return _("Multiple...");
- }
-
- //seems to be all in sync...
- return getVariantName(firstVariant);
-}
-
-
-std::wstring zen::getSymbol(CompareFilesResult cmpRes)
-{
- switch (cmpRes)
- {
- case FILE_LEFT_SIDE_ONLY:
- return L"only <-";
- case FILE_RIGHT_SIDE_ONLY:
- return L"only ->";
- case FILE_LEFT_NEWER:
- return L"newer <-";
- case FILE_RIGHT_NEWER:
- return L"newer ->";
- case FILE_DIFFERENT:
- return L"!=";
- case FILE_EQUAL:
- case FILE_DIFFERENT_METADATA: //= sub-category of equal!
- return L"'=="; //added quotation mark to avoid error in Excel cell when exporting to *.cvs
- case FILE_CONFLICT:
- return L"conflict";
- }
- assert(false);
- return std::wstring();
-}
-
-
-std::wstring zen::getSymbol(SyncOperation op)
-{
- switch (op)
- {
- case SO_CREATE_NEW_LEFT:
- return L"create <-";
- case SO_CREATE_NEW_RIGHT:
- return L"create ->";
- case SO_DELETE_LEFT:
- return L"delete <-";
- case SO_DELETE_RIGHT:
- return L"delete ->";
- case SO_MOVE_LEFT_SOURCE:
- return L"move from <-";
- case SO_MOVE_LEFT_TARGET:
- return L"move to <-";
- case SO_MOVE_RIGHT_SOURCE:
- return L"move from ->";
- case SO_MOVE_RIGHT_TARGET:
- return L"move to ->";
- case SO_OVERWRITE_LEFT:
- case SO_COPY_METADATA_TO_LEFT:
- return L"update <-";
- case SO_OVERWRITE_RIGHT:
- case SO_COPY_METADATA_TO_RIGHT:
- return L"update ->";
- case SO_DO_NOTHING:
- return L" -";
- case SO_EQUAL:
- return L"'=="; //added quotation mark to avoid error in Excel cell when exporting to *.cvs
- case SO_UNRESOLVED_CONFLICT:
- return L"conflict";
- };
- assert(false);
- return std::wstring();
-}
-
-
-namespace
-{
-assert_static(std::numeric_limits<zen:: Int64>::is_specialized);
-assert_static(std::numeric_limits<zen::UInt64>::is_specialized);
-
-/*
-int daysSinceBeginOfWeek(int dayOfWeek) //0-6, 0=Monday, 6=Sunday
-{
- assert(0 <= dayOfWeek && dayOfWeek <= 6);
-#ifdef ZEN_WIN
- DWORD firstDayOfWeek = 0;
- if (::GetLocaleInfo(LOCALE_USER_DEFAULT, //__in LCID Locale,
- LOCALE_IFIRSTDAYOFWEEK | // first day of week specifier, 0-6, 0=Monday, 6=Sunday
- LOCALE_RETURN_NUMBER, //__in LCTYPE LCType,
- reinterpret_cast<LPTSTR>(&firstDayOfWeek), //__out LPTSTR lpLCData,
- sizeof(firstDayOfWeek) / sizeof(TCHAR)) > 0) //__in int cchData
- {
- assert(firstDayOfWeek <= 6);
- return (dayOfWeek + (7 - firstDayOfWeek)) % 7;
- }
- else //default
-#endif
- return dayOfWeek; //let all weeks begin with monday
-}
-*/
-
-
-Int64 resolve(size_t value, UnitTime unit, Int64 defaultVal)
-{
- TimeComp locTimeStruc = zen::localTime();
-
- switch (unit)
- {
- case UTIME_NONE:
- return defaultVal;
-
- case UTIME_TODAY:
- locTimeStruc.second = 0; //0-61
- locTimeStruc.minute = 0; //0-59
- locTimeStruc.hour = 0; //0-23
- return localToTimeT(locTimeStruc); //convert local time back to UTC
-
- //case UTIME_THIS_WEEK:
- //{
- // localTimeFmt->tm_sec = 0; //0-61
- // localTimeFmt->tm_min = 0; //0-59
- // localTimeFmt->tm_hour = 0; //0-23
- // const time_t timeFrom = ::mktime(localTimeFmt);
-
- // int dayOfWeek = (localTimeFmt->tm_wday + 6) % 7; //tm_wday := days since Sunday 0-6
- // // +6 == -1 in Z_7
-
- // return Int64(timeFrom) - daysSinceBeginOfWeek(dayOfWeek) * 24 * 3600;
- //}
-
- case UTIME_THIS_MONTH:
- locTimeStruc.second = 0; //0-61
- locTimeStruc.minute = 0; //0-59
- locTimeStruc.hour = 0; //0-23
- locTimeStruc.day = 1; //1-31
- return localToTimeT(locTimeStruc);
-
- case UTIME_THIS_YEAR:
- locTimeStruc.second = 0; //0-61
- locTimeStruc.minute = 0; //0-59
- locTimeStruc.hour = 0; //0-23
- locTimeStruc.day = 1; //1-31
- locTimeStruc.month = 1; //1-12
- return localToTimeT(locTimeStruc);
-
- case UTIME_LAST_X_DAYS:
- locTimeStruc.second = 0; //0-61
- locTimeStruc.minute = 0; //0-59
- locTimeStruc.hour = 0; //0-23
- return localToTimeT(locTimeStruc) - Int64(value) * 24 * 3600;
- }
-
- assert(false);
- return localToTimeT(locTimeStruc);
-}
-
-
-UInt64 resolve(size_t value, UnitSize unit, UInt64 defaultVal)
-{
- const UInt64 maxVal =std::numeric_limits<zen::UInt64>::max();
-
- switch (unit)
- {
- case USIZE_NONE:
- return defaultVal;
- case USIZE_BYTE:
- return value;
- case USIZE_KB:
- return value > maxVal / 1024U ? maxVal : //prevent overflow!!!
- 1024U * value;
- case USIZE_MB:
- return value > maxVal / (1024 * 1024U) ? maxVal : //prevent overflow!!!
- 1024 * 1024U * value;
- }
- assert(false);
- return defaultVal;
-}
-}
-
-void zen::resolveUnits(size_t timeSpan, UnitTime unitTimeSpan,
- size_t sizeMin, UnitSize unitSizeMin,
- size_t sizeMax, UnitSize unitSizeMax,
- zen::Int64& timeFrom, //unit: UTC time, seconds
- zen::UInt64& sizeMinBy, //unit: bytes
- zen::UInt64& sizeMaxBy) //unit: bytes
-{
- timeFrom = resolve(timeSpan, unitTimeSpan, std::numeric_limits<Int64>::min());
- sizeMinBy = resolve(sizeMin, unitSizeMin, 0U);
- sizeMaxBy = resolve(sizeMax, unitSizeMax, std::numeric_limits<UInt64>::max());
-}
-
-
-namespace
-{
-FilterConfig mergeFilterConfig(const FilterConfig& global, const FilterConfig& local)
-{
- FilterConfig out = local;
-
- //hard filter
- if (out.includeFilter == FilterConfig().includeFilter)
- out.includeFilter = global.includeFilter;
- //else: if both global and local include filter contain data, only local filter is preserved
-
- trim(out.excludeFilter, true, false);
- out.excludeFilter = global.excludeFilter + Zstr("\n") + out.excludeFilter;
- trim(out.excludeFilter, true, false);
-
- //soft filter
- Int64 loctimeFrom;
- UInt64 locSizeMinBy;
- UInt64 locSizeMaxBy;
- resolveUnits(out.timeSpan, out.unitTimeSpan,
- out.sizeMin, out.unitSizeMin,
- out.sizeMax, out.unitSizeMax,
- loctimeFrom, //unit: UTC time, seconds
- locSizeMinBy, //unit: bytes
- locSizeMaxBy); //unit: bytes
-
- //soft filter
- Int64 glotimeFrom;
- UInt64 gloSizeMinBy;
- UInt64 gloSizeMaxBy;
- resolveUnits(global.timeSpan, global.unitTimeSpan,
- global.sizeMin, global.unitSizeMin,
- global.sizeMax, global.unitSizeMax,
- glotimeFrom,
- gloSizeMinBy,
- gloSizeMaxBy);
-
- if (glotimeFrom > loctimeFrom)
- {
- out.timeSpan = global.timeSpan;
- out.unitTimeSpan = global.unitTimeSpan;
- }
- if (gloSizeMinBy > locSizeMinBy)
- {
- out.sizeMin = global.sizeMin;
- out.unitSizeMin = global.unitSizeMin;
- }
- if (gloSizeMaxBy < locSizeMaxBy)
- {
- out.sizeMax = global.sizeMax;
- out.unitSizeMax = global.unitSizeMax;
- }
- return out;
-}
-
-
-inline
-bool effectivelyEmpty(const FolderPairEnh& fp)
-{
- auto isEmpty = [](Zstring dirname)
- {
- trim(dirname);
- return dirname.empty();
- };
- return isEmpty(fp.leftDirectory) && isEmpty(fp.rightDirectory);
-}
-}
-
-
-MainConfiguration zen::merge(const std::vector<MainConfiguration>& mainCfgs)
-{
- assert(!mainCfgs.empty());
- if (mainCfgs.empty())
- return MainConfiguration();
-
- if (mainCfgs.size() == 1) //mergeConfigFilesImpl relies on this!
- return mainCfgs[0]; //
-
- //merge folder pair config
- std::vector<FolderPairEnh> fpMerged;
- for (const MainConfiguration& mainCfg : mainCfgs)
- {
- std::vector<FolderPairEnh> fpTmp;
-
- //skip empty folder pairs
- if (!effectivelyEmpty(mainCfg.firstPair))
- fpTmp.push_back(mainCfg.firstPair);
- for (const FolderPairEnh& fp : mainCfg.additionalPairs)
- if (!effectivelyEmpty(fp))
- fpTmp.push_back(fp);
-
- //move all configuration down to item level
- for (FolderPairEnh& fp : fpTmp)
- {
- if (!fp.altCmpConfig.get())
- fp.altCmpConfig = std::make_shared<CompConfig>(mainCfg.cmpConfig);
-
- if (!fp.altSyncConfig.get())
- fp.altSyncConfig = std::make_shared<SyncConfig>(mainCfg.syncCfg);
-
- fp.localFilter = mergeFilterConfig(mainCfg.globalFilter, fp.localFilter);
- }
- fpMerged.insert(fpMerged.end(), fpTmp.begin(), fpTmp.end());
- }
-
- if (fpMerged.empty())
- return MainConfiguration();
-
- //optimization: remove redundant configuration
-
- //########################################################################################################################
- //find out which comparison and synchronization setting are used most often and use them as new "header"
- std::vector<std::pair<CompConfig, int>> cmpCfgStat;
- std::vector<std::pair<SyncConfig, int>> syncCfgStat;
- for (const FolderPairEnh& fp : fpMerged)
- {
- //rather inefficient algorithm, but it does not require a less-than operator:
- {
- const CompConfig& cmpCfg = *fp.altCmpConfig;
-
- auto it = std::find_if(cmpCfgStat.begin(), cmpCfgStat.end(),
- [&](const std::pair<CompConfig, int>& entry) { return effectivelyEqual(entry.first, cmpCfg); });
- if (it == cmpCfgStat.end())
- cmpCfgStat.push_back(std::make_pair(cmpCfg, 1));
- else
- ++(it->second);
- }
- {
- const SyncConfig& syncCfg = *fp.altSyncConfig;
-
- auto it = std::find_if(syncCfgStat.begin(), syncCfgStat.end(),
- [&](const std::pair<SyncConfig, int>& entry) { return effectivelyEqual(entry.first, syncCfg); });
- if (it == syncCfgStat.end())
- syncCfgStat.push_back(std::make_pair(syncCfg, 1));
- else
- ++(it->second);
- }
- }
-
- //set most-used comparison and synchronization settings as new header options
- const CompConfig cmpCfgHead = cmpCfgStat.empty() ? CompConfig() :
- std::max_element(cmpCfgStat.begin(), cmpCfgStat.end(),
- [](const std::pair<CompConfig, int>& lhs, const std::pair<CompConfig, int>& rhs) { return lhs.second < rhs.second; })->first;
-
- const SyncConfig syncCfgHead = syncCfgStat.empty() ? SyncConfig() :
- std::max_element(syncCfgStat.begin(), syncCfgStat.end(),
- [](const std::pair<SyncConfig, int>& lhs, const std::pair<SyncConfig, int>& rhs) { return lhs.second < rhs.second; })->first;
- //########################################################################################################################
-
- FilterConfig globalFilter;
- const bool allFiltersEqual = std::all_of(fpMerged.begin(), fpMerged.end(), [&](const FolderPairEnh& fp) { return fp.localFilter == fpMerged[0].localFilter; });
- if (allFiltersEqual)
- globalFilter = fpMerged[0].localFilter;
-
- //strip redundancy...
- for (FolderPairEnh& fp : fpMerged)
- {
- //if local config matches output global config we don't need local one
- if (fp.altCmpConfig &&
- effectivelyEqual(*fp.altCmpConfig, cmpCfgHead))
- fp.altCmpConfig.reset();
-
- if (fp.altSyncConfig &&
- effectivelyEqual(*fp.altSyncConfig, syncCfgHead))
- fp.altSyncConfig.reset();
-
- if (allFiltersEqual) //use global filter in this case
- fp.localFilter = FilterConfig();
- }
-
- //final assembly
- zen::MainConfiguration cfgOut;
- cfgOut.cmpConfig = cmpCfgHead;
- cfgOut.syncCfg = syncCfgHead;
- cfgOut.globalFilter = globalFilter;
- cfgOut.firstPair = fpMerged[0];
- cfgOut.additionalPairs.assign(fpMerged.begin() + 1, fpMerged.end());
- cfgOut.onCompletion = mainCfgs[0].onCompletion;
- return cfgOut;
-}
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