/* 
 * File:   editor.h
 * Author: camilstaps
 *
 * Created on August 18, 2015, 11:25 PM
 */

#ifndef EDITOR_H
#define	EDITOR_H

#ifdef	__cplusplus
extern "C" {
#endif
    

typedef struct {
    unsigned char* start;
    unsigned char* end;
} EditorArea;

typedef struct {
    EditorArea front;
    EditorArea back;
} Editor;

Editor newEditor(unsigned int size);
inline void freeEditor(Editor editor);

inline unsigned int getFreeSpace(Editor editor);
inline unsigned isFull(Editor editor);

unsigned char* getNearCursor(Editor editor, signed int start, signed int end);
void moveCursor(Editor editor, signed int change);

inline void writeAtCursor(Editor editor, unsigned char character);
void writeStringAtCursor(Editor editor, unsigned char* string);
inline void writeAfterCursor(Editor editor, unsigned char character);
void writeStringAfterCursor(Editor editor, unsigned char* string);

inline void deleteAtCursor(Editor editor);
inline void deleteNAtCursor(Editor editor, unsigned int length);
inline void deleteAfterCursor(Editor editor);
inline void deleteNAfterCursor(Editor editor, unsigned int length);

#ifdef	__cplusplus
}
#endif

#endif	/* EDITOR_H */