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#ifndef __TEXTBUFFER_H
#define __TEXTBUFFER_H
/* Make sure TEXT_CHUNK_REC is not slightly more than a page, as that
wastes a lot of memory. */
#define LINE_TEXT_CHUNK_SIZE (16384 - 16)
#define LINE_COLOR_BG 0x20
#define LINE_COLOR_DEFAULT 0x10
/* command values (see _LINE_REC protocol) */
enum {
LINE_CMD_EOL=0x80, /* line ends here */
LINE_CMD_CONTINUE, /* line continues in next block */
/* TODO: no longer needed */
LINE_CMD_COLOR0, /* change to black, would be same as \0\0 but it breaks things.. */
LINE_CMD_UNDERLINE, /* enable/disable underlining */
LINE_CMD_REVERSE, /* enable/disable reversed text */
LINE_CMD_INDENT, /* if line is split, indent it at this position */
LINE_CMD_BLINK, /* enable/disable blink */
LINE_CMD_BOLD, /* enable/disable bold */
LINE_CMD_SELECT_FG,
LINE_CMD_SELECT_BG
};
typedef struct {
int level;
time_t time;
} LINE_INFO_REC;
/* TODO: fixme. */
typedef struct _LINE_REC {
/* Text in the line. \0 means that the next char will be a
color or command.
If the 7th bit is set, the lowest 7 bits are the command
(see LINE_CMD_xxxx). Otherwise they specify a color change:
Bit:
5 - Setting a background color
4 - Use "default terminal color"
0-3 - Color
DO NOT ADD BLACK WITH \0\0 - this will break things. Use
LINE_CMD_COLOR0 instead. */
/* NEW COLOUR PROTOCOL:
0x00 - indicates command or colour.
0x01 - command follows (1 byte)
-- following may be omitted if LINE_CMD_USE_DEFAULT_[FB}G is set.
0x02 - BG colour follows (1 byte)
0x04 - FG colour follows (1 byte)
Things that will need to be fixed:
* textbuffer-view.c:update_cmd_color()
* textbuffer-view.c:view_line_draw()
* textbuffer-view.c:view_update_line_cache()
* textbuffer.c:textbuffer_line2text()
* textbuffer.c:mark_temp_eol macro
* gui-printtext.c ?
*/
struct _LINE_REC *prev, *next;
unsigned char *text;
LINE_INFO_REC info;
} LINE_REC;
typedef struct {
unsigned char buffer[LINE_TEXT_CHUNK_SIZE];
int pos;
int refcount;
} TEXT_CHUNK_REC;
typedef struct {
GSList *text_chunks;
LINE_REC *first_line;
int lines_count;
LINE_REC *cur_line;
TEXT_CHUNK_REC *cur_text;
unsigned int last_eol:1;
int last_fg;
int last_bg;
int last_flags;
} TEXT_BUFFER_REC;
/* Create new buffer */
TEXT_BUFFER_REC *textbuffer_create(void);
/* Destroy the buffer */
void textbuffer_destroy(TEXT_BUFFER_REC *buffer);
LINE_REC *textbuffer_line_last(TEXT_BUFFER_REC *buffer);
int textbuffer_line_exists_after(LINE_REC *line, LINE_REC *search);
void textbuffer_line_add_colors(TEXT_BUFFER_REC *buffer, LINE_REC **line,
int fg, int bg, int flags);
/* Append text to buffer. When \0<EOL> is found at the END OF DATA, a new
line is created. You must send the EOL command before you can do anything
else with the buffer. */
LINE_REC *textbuffer_append(TEXT_BUFFER_REC *buffer,
const unsigned char *data, int len,
LINE_INFO_REC *info);
LINE_REC *textbuffer_insert(TEXT_BUFFER_REC *buffer, LINE_REC *insert_after,
const unsigned char *data, int len,
LINE_INFO_REC *info);
void textbuffer_remove(TEXT_BUFFER_REC *buffer, LINE_REC *line);
/* Removes all lines from buffer, ignoring reference counters */
void textbuffer_remove_all_lines(TEXT_BUFFER_REC *buffer);
void textbuffer_line2text(LINE_REC *line, int coloring, GString *str);
GList *textbuffer_find_text(TEXT_BUFFER_REC *buffer, LINE_REC *startline,
int level, int nolevel, const char *text,
int before, int after,
int regexp, int fullword, int case_sensitive);
void textbuffer_init(void);
void textbuffer_deinit(void);
#endif
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