diff options
Diffstat (limited to 'usr.bin/vi/term.h')
| -rw-r--r-- | usr.bin/vi/term.h | 129 |
1 files changed, 73 insertions, 56 deletions
diff --git a/usr.bin/vi/term.h b/usr.bin/vi/term.h index 67f7f5d2822c..5b224cc01562 100644 --- a/usr.bin/vi/term.h +++ b/usr.bin/vi/term.h @@ -1,5 +1,5 @@ /*- - * Copyright (c) 1991, 1993 + * Copyright (c) 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -30,54 +30,69 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)term.h 8.26 (Berkeley) 1/7/94 + * @(#)term.h 8.37 (Berkeley) 3/22/94 */ +/* + * Fundamental character types. + * + * CHAR_T An integral type that can hold any character. + * ARG_CHAR_T The type of a CHAR_T when passed as an argument using + * traditional promotion rules. It should also be able + * to be compared against any CHAR_T for equality without + * problems. + * MAX_CHAR_T The maximum value of any character. + * + * If no integral type can hold a character, don't even try the port. + */ +typedef u_char CHAR_T; +typedef u_int ARG_CHAR_T; +#define MAX_CHAR_T 0xff + +/* The maximum number of columns any character can take up on a screen. */ +#define MAX_CHARACTER_COLUMNS 4 + /* Structure to return a character and associated information. */ struct _ch { CHAR_T ch; /* Character. */ +#define K_NOTUSED 0 #define K_CARAT 1 -#define K_CNTRLR 2 -#define K_CNTRLT 3 -#define K_CNTRLZ 4 -#define K_COLON 5 -#define K_CR 6 -#define K_ESCAPE 7 -#define K_FORMFEED 8 -#define K_NL 9 -#define K_RIGHTBRACE 10 -#define K_RIGHTPAREN 11 -#define K_TAB 12 -#define K_VEOF 13 +#define K_CNTRLD 2 +#define K_CNTRLR 3 +#define K_CNTRLT 4 +#define K_CNTRLZ 5 +#define K_COLON 6 +#define K_CR 7 +#define K_ESCAPE 8 +#define K_FORMFEED 9 +#define K_NL 10 +#define K_RIGHTBRACE 11 +#define K_RIGHTPAREN 12 +#define K_TAB 13 #define K_VERASE 14 #define K_VINTR 15 #define K_VKILL 16 #define K_VLNEXT 17 #define K_VWERASE 18 #define K_ZERO 19 - u_char value; /* Special character flag values. */ + u_int8_t value; /* Special character flag values. */ #define CH_ABBREVIATED 0x01 /* Character from an abbreviation. */ #define CH_NOMAP 0x02 /* Do not attempt to map the character. */ #define CH_QUOTED 0x04 /* Character is already quoted. */ - u_char flags; + u_int8_t flags; }; -/* - * Structure for the key input buffer. - * - * MAX_MAP_COUNT was chosen based on the vi maze script, which remaps - * characters roughly 250 times. - */ +/* Structure for the key input buffer. */ struct _ibuf { - CHAR_T *ch; /* Array of characters. */ - u_char *chf; /* Array of character flags (CH_*). */ -#define MAX_MAP_COUNT 270 /* Maximum times a character can remap. */ - u_char *cmap; /* Number of times character has been mapped. */ + CHAR_T *ch; /* Array of characters. */ + u_int8_t *chf; /* Array of character flags (CH_*). */ +#define MAX_MAP_COUNT 50 /* Infinite loop check. */ + u_int8_t *cmap; /* Number of times character has been mapped. */ size_t cnt; /* Count of remaining characters. */ - size_t len; /* Array length. */ + size_t nelem; /* Numer of array elements. */ size_t next; /* Offset of next array entry. */ }; /* Return if more keys in queue. */ @@ -91,7 +106,7 @@ struct _ibuf { */ struct _chname { char *name; /* Character name. */ - u_char len; /* Length of the character name. */ + u_int8_t len; /* Length of the character name. */ }; /* @@ -130,53 +145,55 @@ enum confirm { CONF_NO, CONF_QUIT, CONF_YES }; #define isblank(ch) ((ch) == ' ' || (ch) == '\t') #endif +/* The "standard" tab width, for displaying things to users. */ +#define STANDARD_TAB 6 + /* Various special characters, messages. */ #define CURSOR_CH ' ' /* Cursor character. */ #define END_CH '$' /* End of a range. */ #define HEX_CH 'x' /* Leading hex number. */ +#define LITERAL_CH '\026' /* Standard literal ^V. */ #define NOT_DIGIT_CH 'a' /* A non-isdigit() character. */ #define NO_CH 'n' /* No. */ #define QUIT_CH 'q' /* Quit. */ #define YES_CH 'y' /* Yes. */ + #define CONFSTRING "confirm? [ynq]" #define CONTMSG "Enter return to continue: " #define CONTMSG_I "Enter return to continue [q to quit]: " /* Flags describing how input is handled. */ -#define TXT_AICHARS 0x000001 /* Leading autoindent chars. */ -#define TXT_ALTWERASE 0x000002 /* Option: altwerase. */ -#define TXT_APPENDEOL 0x000004 /* Appending after EOL. */ -#define TXT_AUTOINDENT 0x000008 /* Autoindent set this line. */ -#define TXT_BEAUTIFY 0x000010 /* Only printable characters. */ -#define TXT_BS 0x000020 /* Backspace returns the buffer. */ -#define TXT_CNTRLT 0x000040 /* Control-T is an indent special. */ -#define TXT_CR 0x000080 /* CR returns the buffer. */ -#define TXT_EMARK 0x000100 /* End of replacement mark. */ -#define TXT_ESCAPE 0x000200 /* Escape returns the buffer. */ -#define TXT_INFOLINE 0x000400 /* Editing the info line. */ -#define TXT_MAPCOMMAND 0x000800 /* Apply the command map. */ -#define TXT_MAPINPUT 0x001000 /* Apply the input map. */ -#define TXT_MAPNODIGIT 0x002000 /* Return to a digit. */ -#define TXT_NLECHO 0x004000 /* Echo the newline. */ -#define TXT_OVERWRITE 0x008000 /* Overwrite characters. */ -#define TXT_PROMPT 0x010000 /* Display a prompt. */ -#define TXT_RECORD 0x020000 /* Record for replay. */ -#define TXT_REPLACE 0x040000 /* Replace; don't delete overwrite. */ -#define TXT_REPLAY 0x080000 /* Replay the last input. */ -#define TXT_RESOLVE 0x100000 /* Resolve the text into the file. */ -#define TXT_SHOWMATCH 0x200000 /* Option: showmatch. */ -#define TXT_TTYWERASE 0x400000 /* Option: ttywerase. */ -#define TXT_WRAPMARGIN 0x800000 /* Option: wrapmargin. */ - -#define TXT_VALID_EX \ - (TXT_BEAUTIFY | TXT_CR | TXT_NLECHO | TXT_PROMPT) +#define TXT_AICHARS 0x0000001 /* Leading autoindent chars. */ +#define TXT_ALTWERASE 0x0000002 /* Option: altwerase. */ +#define TXT_APPENDEOL 0x0000004 /* Appending after EOL. */ +#define TXT_AUTOINDENT 0x0000008 /* Autoindent set this line. */ +#define TXT_BEAUTIFY 0x0000010 /* Only printable characters. */ +#define TXT_BS 0x0000020 /* Backspace returns the buffer. */ +#define TXT_CNTRLD 0x0000040 /* Control-D is a special command. */ +#define TXT_CNTRLT 0x0000080 /* Control-T is an indent special. */ +#define TXT_CR 0x0000100 /* CR returns the buffer. */ +#define TXT_EMARK 0x0000200 /* End of replacement mark. */ +#define TXT_ESCAPE 0x0000400 /* Escape returns the buffer. */ +#define TXT_INFOLINE 0x0000800 /* Editing the info line. */ +#define TXT_MAPCOMMAND 0x0001000 /* Apply the command map. */ +#define TXT_MAPINPUT 0x0002000 /* Apply the input map. */ +#define TXT_MAPNODIGIT 0x0004000 /* Return to a digit. */ +#define TXT_NLECHO 0x0008000 /* Echo the newline. */ +#define TXT_OVERWRITE 0x0010000 /* Overwrite characters. */ +#define TXT_PROMPT 0x0020000 /* Display a prompt. */ +#define TXT_RECORD 0x0040000 /* Record for replay. */ +#define TXT_REPLACE 0x0080000 /* Replace; don't delete overwrite. */ +#define TXT_REPLAY 0x0100000 /* Replay the last input. */ +#define TXT_RESOLVE 0x0200000 /* Resolve the text into the file. */ +#define TXT_SHOWMATCH 0x0400000 /* Option: showmatch. */ +#define TXT_TTYWERASE 0x0800000 /* Option: ttywerase. */ +#define TXT_WRAPMARGIN 0x1000000 /* Option: wrapmargin. */ /* Support keyboard routines. */ int __term_key_val __P((SCR *, ARG_CHAR_T)); void term_ab_flush __P((SCR *, char *)); int term_init __P((SCR *)); enum input term_key __P((SCR *, CH *, u_int)); -int term_key_ch __P((SCR *, int, CHAR_T *)); int term_key_queue __P((SCR *)); void term_map_flush __P((SCR *, char *)); int term_push __P((SCR *, CHAR_T *, size_t, u_int, u_int)); |