51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
#ifndef BUFFER_H
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#define BUFFER_H
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#include "abuf.h"
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typedef struct buffer {
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int curx, cury;
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int rx;
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int nrows;
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int rowoffs, coloffs;
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abuf *row;
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char *filename;
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int dirty;
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int mark_set;
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int mark_curx, mark_cury;
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} buffer;
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/* Access current buffer and convenient aliases for file-specific fields */
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buffer *buffer_current(void);
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#define CURBUF (buffer_current())
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#define EROW (CURBUF->row)
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#define ENROWS (CURBUF->nrows)
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#define ECURX (CURBUF->curx)
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#define ECURY (CURBUF->cury)
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#define ERX (CURBUF->rx)
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#define EROWOFFS (CURBUF->rowoffs)
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#define ECOLOFFS (CURBUF->coloffs)
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#define EFILENAME (CURBUF->filename)
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#define EDIRTY (CURBUF->dirty)
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#define EMARK_SET (CURBUF->mark_set)
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#define EMARK_CURX (CURBUF->mark_curx)
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#define EMARK_CURY (CURBUF->mark_cury)
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void buffers_init(void);
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int buffer_add_empty(void);
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void buffer_save_current(void);
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void buffer_switch(int idx);
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void buffer_next(void);
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void buffer_prev(void);
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void buffer_switch_by_name(void);
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void buffer_close_current(void);
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const char *buffer_name(buffer *b);
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/* Helpers */
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int buffer_is_unnamed_and_empty(const buffer *b);
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#endif
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