small quality-of-life addition. GNU Emacs has zap-to-char bound by to M-z and zap-up-to-char unbound; i'm unsure how closely we want to follow emacs here, IMHO zap-up-to-char is way more useful than zap-to-char and so i opted to bound M-z to zap-up-to-char by default.
ok? diff 40c942665e2a6e73653062386b61f09373477e3d b164b420ae16a7b218f9df51fb8c8a7ce8d5b054 commit - 40c942665e2a6e73653062386b61f09373477e3d commit + b164b420ae16a7b218f9df51fb8c8a7ce8d5b054 blob - d546dba15dd5b45503679454fbe55673640ea74e blob + 87704c129ee172c2f504741d534df826cf77131d --- usr.bin/mg/def.h +++ usr.bin/mg/def.h @@ -651,6 +651,9 @@ int readpattern(char *); int forwsrch(void); int backsrch(void); int readpattern(char *); +int zapuptochar(int, int); +int zaptochar(int, int); +int zap(int, int); /* spawn.c X */ int spawncli(int, int); blob - 36a88e4573d47eae4d321ee899f71e52ef77a8c9 blob + d9cb10a264955db8e6e77b8b8aa6352ed8db9bfd --- usr.bin/mg/funmap.c +++ usr.bin/mg/funmap.c @@ -138,6 +138,8 @@ static struct funmap functnames[] = { {killbuffer_cmd, "kill-buffer", 1}, {killline, "kill-line", 1}, {killpara, "kill-paragraph", 1}, + {zaptochar, "zap-to-char", 1}, + {zapuptochar, "zap-up-to-char", 1}, {killregion, "kill-region", 0}, {delfword, "kill-word", 1}, {toggleleavetmp, "leave-tmpdir-backups", 0}, blob - 32a9267d30fbbbc2f4fcc126133313cbc6799201 blob + 6e6b649f756b879127e1f22b8178fe529b7ced03 --- usr.bin/mg/keymap.c +++ usr.bin/mg/keymap.c @@ -290,7 +290,7 @@ static PF metal[] = { copyregion, /* w */ extend, /* x */ rescan, /* y */ - rescan, /* z */ + zapuptochar, /* z */ gotobop, /* { */ piperegion, /* | */ gotoeop /* } */ blob - a335c89e4d5329776a85c473c716b5e9e2597f19 blob + fd5a2df0f48d7966ca1d4467ccf16bd68caf4c5b --- usr.bin/mg/mg.1 +++ usr.bin/mg/mg.1 @@ -331,6 +331,8 @@ execute-extended-command copy-region-as-kill .It M-x execute-extended-command +.It M-z +zap-up-to-char .It M-{ backward-paragraph .It M-| @@ -986,6 +988,11 @@ It is not a ring. kill buffer consists only of the most recent kill. It is not a ring. +.It zap-to-char +Ask for a character and delete text from the current cursor position +until the next instance of that character, including it. +.It zap-up-to-char +Like zap-to-char but doesn't delete the target character. .El .Sh MG DIRED KEY BINDINGS Specific key bindings are available in dired mode. blob - fa12b4094aae01385711ca7b01c7eba964571e65 blob + e9184de33a7cd149fd521ba7d1c57310f3b16953 --- usr.bin/mg/search.c +++ usr.bin/mg/search.c @@ -853,3 +853,61 @@ readpattern(char *r_prompt) retval = FALSE; return (retval); } + +/* + * Prompt for a character and kill until a it (including). Mark is + * cleared afterwards. + */ +int +zaptochar(int f, int n) +{ + return (zap(TRUE, n)); +} + +/* Like zaptochar but stops before the character. */ +int +zapuptochar(int f, int n) +{ + return (zap(FALSE, n)); +} + +/* + * Prompt for a charcter and deletes from the point up to, optionally + * including, the first instance of that charcters. Marks is cleared + * afterwards. + */ +int +zap(int including, int n) +{ + int s; + + if (including) + ewprintf("Zap to char: "); + else + ewprintf("Zap up to char: "); + + s = getkey(FALSE); + eerase(); + if (s == ABORT || s == CCHR('G')) + return (FALSE); + + pat[0] = (char)s; + pat[1] = '\0'; + + isetmark(); + while (n--) { + if (forwsrch() == FALSE) { + dobeep(); + ewprintf("Search failed: \"%s\"", pat); + swapmark(FFARG, 0); + clearmark(FFARG, 0); + return (FALSE); + } + } + + if (!including) + (void) backchar(FFARG, 1); + killregion(FFARG, 0); + clearmark(FFARG, 0); + return (TRUE); +}