core.hpp

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#ifndef EASYVIM_CORE_HPP
#define EASYVIM_CORE_HPP
#include <vector>
#include <utility>
#include <string>
#include <fstream>
 
namespace ev {
 
class EVFile{
public:
 
    enum EVFileStatus{
        EVFILE_OK               = 0,         
        EVFILE_NOT_EXIST        = 1,         
        EVFILE_OPEN_FAIL        = 2,         
        EVFILE_READ_FAIL        = 3,         
        EVFILE_WRITE_FAIL       = 4,         
        EVFILE_CLOSE_FAIL       = 5,         
        EVFILE_OUT_OF_BOUND     = 6,         
 
        EVFILE_DIR_DOSE_NOT_EXIST  = 10,         
        EVFILE_NO_MATCH_PATTERN    = 11,         
        EVFILE_PATTERN_MATCH       = 12,         
        EVFILE_REPLACE_SUCCESS     = 13,         
        EVFILE_REPLACE_FAIL        = 14,         
 
        EVFILE_COPY_NOTEXIST       = 20,         
 
    };
    EVFile(const std::string fileName) : fileName(fileName){
        hasChange = false;
        start = 0;
        offset = 0;
        hasCopy = false;
    }
    ~EVFile();
 
    EVFileStatus loadFile();
 
    EVFileStatus saveFile();
 
    EVFileStatus saveFileAs(const std::string& newFilePath);
 
    EVFileStatus quitFile();    
 
    EVFileStatus searchInFile(const std::string content, bool caseSensitive); 
 
    EVFileStatus searchReplace(const std::string searchContent, const std::string replaceContent, bool caseSensitive); 
 
    EVFileStatus searchInFileRegex(const std::string regexPattern); 
 
    EVFileStatus searchReplaceRegex(const std::string regexPattern, const std::string replacePattern); 
 
    EVFileStatus insertChar(int row, int col, char x);
    EVFileStatus coverChar(int row, int col, char x);
    EVFileStatus deleteChar(int row, int col, bool isFront);
 
    EVFileStatus deleteLine(int rowB, int colB = 0, int rowE = 0, int colE = -1);
    EVFileStatus copyLine  (int rowB, int colB = 0, int rowE = 0, int colE = -1);
    EVFileStatus pasteLine (int row);
 
    std::string                  fileName;     
    std::vector<std::string>     fileContent;  
    std::vector<std::string>     copiedFile;   
    bool                         hasCopy;      
    bool                         hasChange;    
    int                          jumpTo;       
    size_t                       start;        
    size_t                       offset;       
    std::vector<std::pair<size_t,size_t>> searchPosition; 
 
private:
    FILE* file;                          
 
    std::vector<std::pair<size_t, size_t>> searchRegex(const std::string& regexPattern); 
 
    bool replaceRegex(const std::pair<size_t,size_t> pos, const std::string& replacePattern); 
 
    std::vector<std::pair<size_t, size_t>> search(const std::string& content); 
 
    std::vector<std::pair<size_t, size_t>> search_case_ins(const std::string& content);
 
    std::vector<std::pair<size_t, size_t>> search_first(const std::string& content);
 
    std::vector<std::pair<size_t, size_t>> search_first_case_ins(const std::string& content);    
 
    bool replace(const std::pair<size_t,size_t> pos, int len, const std::string& replaceContent);
};
} // namespace ev
 
#endif //EASYVIM_CORE_HPP