ex_map.c revision 19304
1251881Speter/*- 2251881Speter * Copyright (c) 1992, 1993, 1994 3251881Speter * The Regents of the University of California. All rights reserved. 4251881Speter * Copyright (c) 1992, 1993, 1994, 1995, 1996 5251881Speter * Keith Bostic. All rights reserved. 6251881Speter * 7251881Speter * See the LICENSE file for redistribution information. 8251881Speter */ 9251881Speter 10251881Speter#include "config.h" 11251881Speter 12251881Speter#ifndef lint 13251881Speterstatic const char sccsid[] = "@(#)ex_map.c 10.9 (Berkeley) 3/6/96"; 14251881Speter#endif /* not lint */ 15251881Speter 16251881Speter#include <sys/types.h> 17251881Speter#include <sys/queue.h> 18251881Speter 19251881Speter#include <bitstring.h> 20251881Speter#include <ctype.h> 21251881Speter#include <limits.h> 22251881Speter#include <stdio.h> 23251881Speter#include <stdlib.h> 24251881Speter#include <string.h> 25251881Speter 26251881Speter#include "../common/common.h" 27251881Speter 28251881Speter/* 29251881Speter * ex_map -- :map[!] [input] [replacement] 30251881Speter * Map a key/string or display mapped keys. 31251881Speter * 32251881Speter * Historical note: 33251881Speter * Historic vi maps were fairly bizarre, and likely to differ in 34251881Speter * very subtle and strange ways from this implementation. Two 35251881Speter * things worth noting are that vi would often hang or drop core 36251881Speter * if the map was strange enough (ex: map X "xy$@x^V), or, simply 37251881Speter * not work. One trick worth remembering is that if you put a 38251881Speter * mark at the start of the map, e.g. map X mx"xy ...), or if you 39251881Speter * put the map in a .exrc file, things would often work much better. 40251881Speter * No clue why. 41251881Speter * 42251881Speter * PUBLIC: int ex_map __P((SCR *, EXCMD *)); 43251881Speter */ 44251881Speterint 45251881Speterex_map(sp, cmdp) 46251881Speter SCR *sp; 47251881Speter EXCMD *cmdp; 48251881Speter{ 49251881Speter seq_t stype; 50251881Speter CHAR_T *input, *p; 51251881Speter 52251881Speter stype = FL_ISSET(cmdp->iflags, E_C_FORCE) ? SEQ_INPUT : SEQ_COMMAND; 53251881Speter 54251881Speter switch (cmdp->argc) { 55251881Speter case 0: 56251881Speter if (seq_dump(sp, stype, 1) == 0) 57251881Speter msgq(sp, M_INFO, stype == SEQ_INPUT ? 58251881Speter "132|No input map entries" : 59251881Speter "133|No command map entries"); 60251881Speter return (0); 61251881Speter case 2: 62251881Speter input = cmdp->argv[0]->bp; 63251881Speter break; 64251881Speter default: 65251881Speter abort(); 66251881Speter } 67251881Speter 68251881Speter /* 69251881Speter * If the mapped string is #[0-9]* (and wasn't quoted) then store the 70251881Speter * function key mapping. If the screen specific routine has been set, 71251881Speter * call it as well. Note, the SEQ_FUNCMAP type is persistent across 72251881Speter * screen types, maybe the next screen type will get it right. 73251881Speter */ 74251881Speter if (input[0] == '#' && isdigit(input[1])) { 75251881Speter for (p = input + 2; isdigit(*p); ++p); 76251881Speter if (p[0] != '\0') 77251881Speter goto nofunc; 78251881Speter 79251881Speter if (seq_set(sp, NULL, 0, input, cmdp->argv[0]->len, 80251881Speter cmdp->argv[1]->bp, cmdp->argv[1]->len, stype, 81251881Speter SEQ_FUNCMAP | SEQ_USERDEF)) 82251881Speter return (1); 83251881Speter return (sp->gp->scr_fmap == NULL ? 0 : 84251881Speter sp->gp->scr_fmap(sp, stype, input, cmdp->argv[0]->len, 85251881Speter cmdp->argv[1]->bp, cmdp->argv[1]->len)); 86251881Speter } 87251881Speter 88251881Speter /* Some single keys may not be remapped in command mode. */ 89251881Speternofunc: if (stype == SEQ_COMMAND && input[1] == '\0') 90251881Speter switch (KEY_VAL(sp, input[0])) { 91251881Speter case K_COLON: 92251881Speter case K_ESCAPE: 93251881Speter case K_NL: 94251881Speter msgq(sp, M_ERR, 95251881Speter "134|The %s character may not be remapped", 96251881Speter KEY_NAME(sp, input[0])); 97251881Speter return (1); 98251881Speter } 99251881Speter return (seq_set(sp, NULL, 0, input, cmdp->argv[0]->len, 100251881Speter cmdp->argv[1]->bp, cmdp->argv[1]->len, stype, SEQ_USERDEF)); 101251881Speter} 102251881Speter 103251881Speter/* 104251881Speter * ex_unmap -- (:unmap[!] key) 105251881Speter * Unmap a key. 106251881Speter * 107251881Speter * PUBLIC: int ex_unmap __P((SCR *, EXCMD *)); 108251881Speter */ 109251881Speterint 110251881Speterex_unmap(sp, cmdp) 111251881Speter SCR *sp; 112251881Speter EXCMD *cmdp; 113251881Speter{ 114251881Speter if (seq_delete(sp, cmdp->argv[0]->bp, cmdp->argv[0]->len, 115251881Speter FL_ISSET(cmdp->iflags, E_C_FORCE) ? SEQ_INPUT : SEQ_COMMAND)) { 116251881Speter msgq_str(sp, M_INFO, 117251881Speter cmdp->argv[0]->bp, "135|\"%s\" isn't currently mapped"); 118251881Speter return (1); 119251881Speter } 120251881Speter return (0); 121251881Speter} 122251881Speter