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New input parser via state machine.

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This commit is contained in:
Nicholas Marriott
2007-09-28 22:47:22 +00:00
parent d2e035f892
commit aafee17de6
9 changed files with 1088 additions and 956 deletions
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77
tmux.h
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@@ -1,4 +1,4 @@
/* $Id: tmux.h,v 1.20 2007-09-28 21:41:52 mxey Exp $ */
/* $Id: tmux.h,v 1.21 2007-09-28 22:47:21 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -391,6 +391,50 @@ struct screen {
int mode;
};
/* Screen default contents. */
#define SCREEN_DEFDATA ' '
#define SCREEN_DEFATTR 0
#define SCREEN_DEFCOLR 0x88
/* Input parser sequence argument. */
struct input_arg {
size_t off;
size_t len;
};
/* Input character classes. */
enum input_class {
INPUT_C0CONTROL,
INPUT_SPACE,
INPUT_INTERMEDIATE,
INPUT_PARAMETER,
INPUT_UPPERCASE,
INPUT_LOWERCASE,
INPUT_DELETE,
INPUT_C1CONTROL,
INPUT_G1DISPLAYABLE,
INPUT_SPECIAL
};
/* Input parser context. */
struct input_ctx {
u_char *buf;
size_t len;
size_t off;
struct buffer *b;
struct screen *s;
void *(*state)(u_char, enum input_class, struct input_ctx *);
size_t intoff;
size_t intlen;
size_t saved;
u_char private;
ARRAY_DECL(, struct input_arg) args;
};
/* Window structure. */
struct window {
char name[MAXNAMELEN];
@@ -401,6 +445,8 @@ struct window {
u_int references;
struct input_ctx ictx;
struct screen screen;
};
ARRAY_DECL(windows, struct window *);
@@ -492,8 +538,9 @@ void server_window_changed(struct client *);
void server_draw_client(struct client *, u_int, u_int);
/* input.c */
void input_key(struct buffer *, int);
size_t input_parse(u_char *, size_t, struct buffer *, struct screen *);
void input_init(struct input_ctx *, struct screen *);
void input_free(struct input_ctx *);
size_t input_parse(struct input_ctx *, u_char *, size_t, struct buffer *);
uint8_t input_extract8(struct buffer *);
uint16_t input_extract16(struct buffer *);
void input_store8(struct buffer *, uint8_t);
@@ -502,12 +549,32 @@ void input_store_zero(struct buffer *, u_char);
void input_store_one(struct buffer *, u_char, uint16_t);
void input_store_two(struct buffer *, u_char, uint16_t, uint16_t);
/* input-key.c */
void input_translate_key(struct buffer *, int);
/* screen.c */
void screen_create(struct screen *, u_int, u_int);
void screen_resize(struct screen *, u_int, u_int);
void screen_draw(struct screen *, struct buffer *, u_int, u_int);
void screen_character(struct screen *, u_char);
void screen_sequence(struct screen *, u_char *);
void screen_write_character(struct screen *, u_char);
void screen_insert_lines(struct screen *, u_int, u_int);
void screen_delete_lines(struct screen *, u_int, u_int);
void screen_insert_characters(struct screen *, u_int, u_int, u_int);
void screen_delete_characters(struct screen *, u_int, u_int, u_int);
void screen_cursor_up_scroll(struct screen *);
void screen_cursor_down_scroll(struct screen *);
void screen_scroll_region_up(struct screen *);
void screen_scroll_region_down(struct screen *);
void screen_scroll_up(struct screen *, u_int);
void screen_scroll_down(struct screen *, u_int);
void screen_fill_screen(struct screen *, u_char, u_char, u_char);
void screen_fill_line(struct screen *, u_int, u_char, u_char, u_char);
void screen_fill_end_of_screen(
struct screen *, u_int, u_int, u_char, u_char, u_char);
void screen_fill_end_of_line(
struct screen *, u_int, u_int, u_char, u_char, u_char);
void screen_fill_start_of_line(
struct screen *, u_int, u_int, u_char, u_char, u_char);
/* local.c */
int local_init(struct buffer **, struct buffer **);