File indexing completed on 2024-12-08 11:06:06

 // clang-format off
 /*
  * KDiff3 - Text Diff And Merge Tool
  *
  * SPDX-FileCopyrightText: 2002-2011 Joachim Eibl, joachim.eibl at gmx.de
  * SPDX-FileCopyrightText: 2018-2020 Michael Reeves reeves.87@gmail.com
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 // clang-format on
 #ifndef MERGEFILEINFO_H
 #define MERGEFILEINFO_H
 
 #include "DirectoryInfo.h"
 #include "diff.h"
 #include "fileaccess.h"
 
 #include <QSharedPointer>
 #include <QString>
 
 enum e_MergeOperation
 {
     eTitleId,
     eNoOperation,
     // Operations in sync mode (with only two directories):
     eCopyAToB,
     eCopyBToA,
     eDeleteA,
     eDeleteB,
     eDeleteAB,
     eMergeToA,
     eMergeToB,
     eMergeToAB,
 
     // Operations in merge mode (with two or three directories)
     eCopyAToDest,
     eCopyBToDest,
     eCopyCToDest,
     eDeleteFromDest,
     eMergeABCToDest,
     eMergeABToDest,
     eConflictingFileTypes, // Error
     eChangedAndDeleted,    // Error
     eConflictingAges       // Equal age but files are not!
 };
 
 enum e_Age
 {
     eNew,
     eMiddle,
     eOld,
     eNotThere,
     eAgeEnd
 };
 
 enum e_OperationStatus
 {
     eOpStatusNone,
     eOpStatusDone,
     eOpStatusError,
     eOpStatusSkipped,
     eOpStatusNotSaved,
     eOpStatusInProgress,
     eOpStatusToDo
 };
 
 class DirectoryMergeWindow;
 
 class MergeFileInfos
 {
   public:
     MergeFileInfos();
     ~MergeFileInfos();
 
     [[nodiscard]] QString subPath() const;
     [[nodiscard]] QString fileName() const;
 
     [[nodiscard]] bool isDirA() const { return m_pFileInfoA != nullptr ? m_pFileInfoA->isDir() : false; }
     [[nodiscard]] bool isDirB() const { return m_pFileInfoB != nullptr ? m_pFileInfoB->isDir() : false; }
     [[nodiscard]] bool isDirC() const { return m_pFileInfoC != nullptr ? m_pFileInfoC->isDir() : false; }
     [[nodiscard]] bool hasDir() const { return isDirA() || isDirB() || isDirC(); }
 
     [[nodiscard]] bool isLinkA() const { return m_pFileInfoA != nullptr ? m_pFileInfoA->isSymLink() : false; }
     [[nodiscard]] bool isLinkB() const { return m_pFileInfoB != nullptr ? m_pFileInfoB->isSymLink() : false; }
     [[nodiscard]] bool isLinkC() const { return m_pFileInfoC != nullptr ? m_pFileInfoC->isSymLink() : false; }
     [[nodiscard]] bool hasLink() const { return isLinkA() || isLinkB() || isLinkC(); }
 
     [[nodiscard]] bool existsInA() const { return m_pFileInfoA != nullptr; }
     [[nodiscard]] bool existsInB() const { return m_pFileInfoB != nullptr; }
     [[nodiscard]] bool existsInC() const { return m_pFileInfoC != nullptr; }
 
     [[nodiscard]] bool conflictingFileTypes() const;
 
     void sort(Qt::SortOrder order);
     [[nodiscard]] inline MergeFileInfos* parent() const { return m_pParent; }
     inline void setParent(MergeFileInfos* inParent) { m_pParent = inParent; }
     [[nodiscard]] inline const QList<MergeFileInfos*>& children() const { return m_children; }
     inline void addChild(MergeFileInfos* child) { m_children.push_back(child); }
     inline void clear() { m_children.clear(); }
 
     [[nodiscard]] FileAccess* getFileInfoA() const { return m_pFileInfoA; }
     [[nodiscard]] FileAccess* getFileInfoB() const { return m_pFileInfoB; }
     [[nodiscard]] FileAccess* getFileInfoC() const { return m_pFileInfoC; }
 
     void setFileInfoA(FileAccess* newInfo) { m_pFileInfoA = newInfo; }
     void setFileInfoB(FileAccess* newInfo) { m_pFileInfoB = newInfo; }
     void setFileInfoC(FileAccess* newInfo) { m_pFileInfoC = newInfo; }
 
     [[nodiscard]] QString fullNameA() const;
     [[nodiscard]] QString fullNameB() const;
     [[nodiscard]] QString fullNameC() const;
     [[nodiscard]] QString fullNameDest() const;
 
     [[nodiscard]] inline QString getDirNameA() const { return gDirInfo->dirA().prettyAbsPath(); }
     [[nodiscard]] inline QString getDirNameB() const { return gDirInfo->dirB().prettyAbsPath(); }
     [[nodiscard]] inline QString getDirNameC() const { return gDirInfo->dirC().prettyAbsPath(); }
     [[nodiscard]] inline QString getDirNameDest() const { return gDirInfo->destDir().prettyAbsPath(); }
 
     [[nodiscard]] inline TotalDiffStatus& diffStatus() { return m_totalDiffStatus; }
 
     [[nodiscard]] inline e_MergeOperation getOperation() const { return m_eMergeOperation; }
     inline void setOperation(const e_MergeOperation op) { m_eMergeOperation = op; }
 
     [[nodiscard]] inline e_OperationStatus getOpStatus() const { return m_eOpStatus; }
     inline void setOpStatus(const e_OperationStatus eOpStatus) { m_eOpStatus = eOpStatus; }
 
     [[nodiscard]] inline e_Age getAgeA() const { return m_ageA; }
     [[nodiscard]] inline e_Age getAgeB() const { return m_ageB; }
     [[nodiscard]] inline e_Age getAgeC() const { return m_ageC; }
 
     [[nodiscard]] inline bool isEqualAB() const { return m_bEqualAB; }
     [[nodiscard]] inline bool isEqualAC() const { return m_bEqualAC; }
     [[nodiscard]] inline bool isEqualBC() const { return m_bEqualBC; }
     bool compareFilesAndCalcAges(QStringList& errors, DirectoryMergeWindow* pDMW);
 
     void updateAge();
 
     void updateParents();
 
     void updateDirectoryOrLink();
     inline void startSimOp() { m_bSimOpComplete = false; }
     [[nodiscard]] inline bool isSimOpRunning() const { return !m_bOperationComplete; }
     inline void endSimOp() { m_bSimOpComplete = true; }
 
     inline void startOperation() { m_bOperationComplete = false; };
     [[nodiscard]] inline bool isOperationRunning() const { return !m_bOperationComplete; }
     inline void endOperation() { m_bOperationComplete = true; };
 
     [[nodiscard]] inline static bool isThreeWay()
     {
         if(gDirInfo == nullptr) return false;
         return gDirInfo->dirC().isValid();
     }
     [[nodiscard]] inline bool existsEveryWhere() const { return existsInA() && existsInB() && (existsInC() || !isThreeWay()); }
 
     [[nodiscard]] inline qint32 existsCount() const { return (existsInA() ? 1 : 0) + (existsInB() ? 1 : 0) + (existsInC() ? 1 : 0); }
 
     [[nodiscard]] inline bool onlyInA() const { return existsInA() && !existsInB() && !existsInC(); }
     [[nodiscard]] inline bool onlyInB() const { return !existsInA() && existsInB() && !existsInC(); }
     [[nodiscard]] inline bool onlyInC() const { return !existsInA() && !existsInB() && existsInC(); }
 
     [[nodiscard]] bool conflictingAges() const { return m_bConflictingAges; }
 
   private:
     [[nodiscard]] e_Age nextAgeValue(e_Age age)
     {
         switch(age)
         {
             case eNew:
                 return eMiddle;
             case eMiddle:
                 return eOld;
             case eOld:
                 return eNotThere;
             case eNotThere:
                 return eAgeEnd;
             case eAgeEnd:
                 assert(false);
         }
         return age;
     }
 
     bool fastFileComparison(FileAccess& fi1, FileAccess& fi2, bool& bError, QString& status);
     inline void setAgeA(const e_Age inAge) { m_ageA = inAge; }
     inline void setAgeB(const e_Age inAge) { m_ageB = inAge; }
     inline void setAgeC(const e_Age inAge) { m_ageC = inAge; }
 
     MergeFileInfos* m_pParent = nullptr;
     QList<MergeFileInfos*> m_children;
 
     FileAccess* m_pFileInfoA = nullptr;
     FileAccess* m_pFileInfoB = nullptr;
     FileAccess* m_pFileInfoC = nullptr;
 
     TotalDiffStatus m_totalDiffStatus;
 
     e_MergeOperation m_eMergeOperation = eNoOperation;
     e_OperationStatus m_eOpStatus = eOpStatusNone;
     e_Age m_ageA = eNotThere;
     e_Age m_ageB = eNotThere;
     e_Age m_ageC = eNotThere;
 
     bool m_bOperationComplete = false;
     bool m_bSimOpComplete = false;
 
     bool m_bEqualAB = false;
     bool m_bEqualAC = false;
     bool m_bEqualBC = false;
     bool m_bConflictingAges = false; // Equal age but files are not!
 };
 
 QTextStream& operator<<(QTextStream& ts, MergeFileInfos& mfi);
 
 class MfiCompare
 {
     Qt::SortOrder mOrder;
 
   public:
     explicit MfiCompare(Qt::SortOrder order)
     {
         mOrder = order;
     }
     bool operator()(MergeFileInfos* pMFI1, MergeFileInfos* pMFI2)
     {
         bool bDir1 = pMFI1->isDirA() || pMFI1->isDirB() || pMFI1->isDirC();
         bool bDir2 = pMFI2->isDirA() || pMFI2->isDirB() || pMFI2->isDirC();
         if(bDir1 == bDir2)
         {
             if(mOrder == Qt::AscendingOrder)
             {
                 return pMFI1->fileName().compare(pMFI2->fileName(), Qt::CaseInsensitive) < 0;
             }
             else
             {
                 return pMFI1->fileName().compare(pMFI2->fileName(), Qt::CaseInsensitive) > 0;
             }
         }
         else
             return bDir1;
     }
 };
 
 #endif // !MERGEFILEINFO_H