File indexing completed on 2024-12-08 05:07:39

 // clang-format off
 /*
  *  This file is part of KDiff3.
  *
  * 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 SOURCEDATA_H
 #define SOURCEDATA_H
 
 #include "diff.h"
 #include "fileaccess.h"
 #include "LineRef.h"
 #include "options.h"
 
 #include <memory>
 #include <optional>
 
 #include <QTemporaryFile>
 #include <QSharedPointer>
 #include <QString>
 #include <QStringList>
 
 class SourceData
 {
   public:
     [[nodiscard]] LineType getSizeLines() const;
     [[nodiscard]] qint64 getSizeBytes() const;
     [[nodiscard]] const char* getBuf() const;
     [[nodiscard]] const QString& getText() const;
     [[nodiscard]] const std::shared_ptr<LineDataVector>& getLineDataForDisplay() const;
     [[nodiscard]] const std::shared_ptr<LineDataVector>& getLineDataForDiff() const;
 
     void setFilename(const QString& filename);
     void setFileAccess(const FileAccess& fileAccess);
     [[nodiscard]] QString getFilename() const;
     void setAliasName(const QString& name);
     [[nodiscard]] QString getAliasName() const;
     [[nodiscard]] bool isEmpty() const;                // File was set
     [[nodiscard]] bool hasData() const;                // Data was readable
     [[nodiscard]] bool isText() const;                 // is it pure text (vs. binary data)
     [[nodiscard]] bool isIncompleteConversion() const; // true if some replacement characters were found
     [[nodiscard]] bool isFromBuffer() const;           // was it set via setData() (vs. setFileAccess() or setFilename())
     void setData(const QString& data);
     [[nodiscard]] bool isValid() const; // Either no file is specified or reading was successful
 
     // Returns a list of error messages if anything went wrong
     void readAndPreprocess(const char* encoding, bool bAutoDetectUnicode);
     bool saveNormalDataAs(const QString& fileName);
 
     [[nodiscard]] bool isBinaryEqualWith(const QSharedPointer<SourceData>& other) const;
 
     void reset();
 
     [[nodiscard]] bool isDir() const { return m_fileAccess.isDir(); }
 
     [[nodiscard]] const char* getEncoding() const { return mEncoding; }
     [[nodiscard]] e_LineEndStyle getLineEndStyle() const { return m_normalData.m_eLineEndStyle; }
     [[nodiscard]] inline bool hasEOLTermiantion() { return m_normalData.hasEOLTermiantion(); }
     [[nodiscard]] inline bool hasBOM() const { return m_normalData.hasBOM(); }
     [[nodiscard]] const QStringList& getErrors() const { return mErrors; }
 
     void setEncoding(const char* encoding);
 
   protected:
     bool convertFileEncoding(const QString& fileNameIn, const QByteArray& pCodecIn,
                              const QString& fileNameOut, const QByteArray& pCodecOut);
 
     [[nodiscard]] static std::optional<const char*> detectUTF8(const QByteArray& data);
     [[nodiscard]] static std::optional<const char*> detectEncoding(const char* buf, qint64 size, FileOffset& skipBytes);
     [[nodiscard]] static std::optional<const char*> getEncodingFromTag(const QByteArray& s, const QByteArray& encodingTag);
 
     std::optional<const char*> detectEncoding(const QString& fileName);
     QString m_aliasName;
     FileAccess m_fileAccess;
     QString m_tempInputFileName;
     QTemporaryFile m_tempFile; //Created from clipboard content.
 
     QStringList mErrors;
 
     bool mFromClipBoard = false;
 
     class FileData
     {
       private:
         friend SourceData;
         bool mHasBOM = false;
 
         std::unique_ptr<char[]> m_pBuf; //TODO: Phase out needlessly wastes memory and time by keeping second copy of file data.
         quint64 mDataSize = 0;
         qint64 mLineCount = 0; // Number of lines in m_pBuf1 and size of m_v1, m_dv12 and m_dv13
         QSharedPointer<QString> m_unicodeBuf=QSharedPointer<QString>::create();
         std::shared_ptr<LineDataVector> m_v=std::make_shared<LineDataVector>();
         bool m_bIsText = false;
         bool m_bIncompleteConversion = false;
         e_LineEndStyle m_eLineEndStyle = eLineEndStyleUndefined;
         bool mHasEOLTermination = false;
 
       public:
         bool readFile(FileAccess& file);
         bool readFile(const QString& filename);
         bool writeFile(const QString& filename);
 
         bool preprocess(const QByteArray& encoding, bool removeComments);
         void reset();
         void copyBufFrom(const FileData& src);
 
         [[nodiscard]] bool isEmpty() const { return mDataSize == 0; }
 
         [[nodiscard]] bool isText() const { return m_bIsText || isEmpty(); }
         [[nodiscard]] inline bool hasEOLTermiantion() const { return m_bIsText && mHasEOLTermination; }
         [[nodiscard]] inline bool hasBOM() const { return mHasBOM; }
 
         [[nodiscard]] inline qint64 lineCount() const { return mLineCount; }
         [[nodiscard]] inline qint64 byteCount() const { return mDataSize; }
     };
     FileData m_normalData;
     FileData m_lmppData;
     const char* mEncoding = u8"UTF-8";
 };
 
 #endif // !SOURCEDATA_H