ミラー

src/hexeditor.hh

@@ -0,0 +1,83 @@
+#pragma once
+
+#ifdef _WIN32
+#include <pdcurses.h>
+#else
+#include <ncurses.h>
+#endif
+
+#include <string>
+#include <vector>
+
+class HexEditor {
+  private:
+    enum StatusMode : uint8_t {
+      Status_Normal,
+      Status_Command,
+      Status_Search,
+      Status_Replace,
+      Status_Error,
+    };
+
+    enum SearchDirection : uint8_t {
+      Direction_Forward,
+      Direction_Reverse,
+    };
+
+    struct Edit {
+      size_t offset;
+      uint8_t oldByte;
+      uint8_t newByte;
+    };
+    
+    struct FileSignature {
+      std::vector<uint8_t> signature;
+      std::string type;
+    };
+
+    size_t curPos;
+    size_t dpOffset;
+    size_t bpr;
+    StatusMode statusMode;
+    bool modified;
+    bool running;
+    std::string lastSearch;
+
+    WINDOW *hexPanel;
+    WINDOW *asciiPanel;
+    std::vector<uint8_t> buf;
+    std::string fname;
+    int rows, cols;
+    std::string statusText;
+    std::vector<uint8_t> lastHexSearch;
+    SearchDirection lastSearchDir;
+    std::vector<size_t> matchOff;
+    std::vector<Edit> undoStack;
+    std::vector<Edit> redoStack;
+    
+    size_t headerLen;
+    std::string headerType;
+    static const std::vector<FileSignature> signatures;
+
+    void render();
+    void input();
+    void highlightcol(size_t i, size_t row, uint8_t byte);
+    void topbar();
+    void statusbar();
+    void handleCommand();
+    void handleSave();
+    void handleQuit(bool force);
+    void handleSearch();
+    void handleReverseSearch();
+    void findNextMatch();
+    void findPrevMatch();
+    void handleReplace();
+    void undo();
+    void redo();
+
+  public:
+    HexEditor(const std::string &filename);
+    ~HexEditor();
+
+    void run();
+};