medit/moo/mooedit/moolinebuffer.h

128 lines
4.2 KiB
C

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4; coding: utf-8 -*-
*
* moolinebuffer.h
*
* Copyright (C) 2004-2005 by Yevgen Muntyan <muntyan@math.tamu.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* See COPYING file that comes with this distribution.
*/
#ifndef __MOO_LINE_BUFFER_H__
#define __MOO_LINE_BUFFER_H__
#ifndef MOOEDIT_COMPILATION
#error "This file may not be included"
#endif
#include <gtk/gtktextbuffer.h>
#include "mooedit/mootextbtree.h"
#include "mooedit/mootextbuffer.h"
G_BEGIN_DECLS
typedef struct _CtxNode CtxNode;
typedef struct _LineBuffer LineBuffer;
typedef struct _Segment Segment;
typedef struct _BTData Line;
typedef struct {
int first;
int last;
} Interval;
typedef struct {
int first;
int last;
gboolean empty;
} Area;
struct _LineBuffer {
BTree *tree;
Area invalid;
};
struct _Segment {
int len;
CtxNode *ctx_node;
CtxNode *match_node;
MooRule *rule;
};
struct _HLInfo {
CtxNode *start_node;
Segment *segments;
guint n_segments;
guint n_segments_alloc__;
GSList *tags; /* tags applied in this line */
guint tags_applied : 1; /* correct highlighting tags were applied */
};
LineBuffer *moo_line_buffer_new (void);
void moo_line_buffer_free (LineBuffer *line_buf);
Line *moo_line_buffer_get_line (LineBuffer *line_buf,
int index);
Line *moo_line_buffer_insert (LineBuffer *line_buf,
int index);
void moo_line_buffer_invalidate (LineBuffer *line_buf,
int line);
void moo_line_buffer_invalidate_all (LineBuffer *line_buf);
void moo_line_buffer_clamp_invalid (LineBuffer *line_buf);
void moo_line_buffer_split_line (LineBuffer *line_buf,
int line,
int num_new_lines);
void moo_line_buffer_delete (LineBuffer *line_buf,
int first,
int num);
void moo_line_erase_segments (Line *line);
void moo_line_add_segment (Line *line,
int len,
CtxNode *ctx_node,
CtxNode *match_node,
MooRule *rule);
#define AREA_SET_EMPTY__(ar__) ((ar__)->empty = TRUE)
#define AREA_IS_EMPTY__(ar__) ((ar__)->empty)
#define AREA_CLAMP(ar__,size__) \
(ar__)->last = CLAMP ((ar__)->last, 0, size__ - 1); \
(ar__)->first = CLAMP ((ar__)->first, 0, (ar__)->last);
#define AREA_SET(ar__,size__) \
(ar__)->empty = FALSE; \
(ar__)->first = 0; \
(ar__)->last = size__ - 1; \
#define LINE_SET_TAGS_APPLIED(line__) \
G_STMT_START { \
(line__)->hl_info->_tags_applied = TRUE; \
(line__)->hl_info->_dirty = TRUE; \
} G_STMT_END
#define LINE_UNSET_TAGS_APPLIED(line__) \
G_STMT_START { \
(line__)->hl_info->_tags_applied = FALSE; \
} G_STMT_END
#define LINE_DIRTY(line__) ((line__)->hl_info->_dirty)
#define LINE_TAGS_APPLIED(line__) ((line__)->hl_info->_tags_applied)
#define BUF_CLEAN(line_buf__) (AREA_IS_EMPTY__ (&(line_buf__)->invalid))
#define BUF_SET_CLEAN(line_buf__) (AREA_SET_EMPTY__ (&(line_buf__)->invalid))
G_END_DECLS
#endif /* __MOO_LINE_BUFFER_H__ */