diff options
Diffstat (limited to 'cmd-line-utils/libedit/read.c')
| -rw-r--r-- | cmd-line-utils/libedit/read.c | 130 |
1 files changed, 96 insertions, 34 deletions
diff --git a/cmd-line-utils/libedit/read.c b/cmd-line-utils/libedit/read.c index ffec4671271..5eaa83bf482 100644 --- a/cmd-line-utils/libedit/read.c +++ b/cmd-line-utils/libedit/read.c @@ -1,4 +1,4 @@ -/* $NetBSD: read.c,v 1.19 2001/01/10 07:45:41 jdolecek Exp $ */ +/* $NetBSD: read.c,v 1.24 2002/11/20 16:50:08 christos Exp $ */ /*- * Copyright (c) 1992, 1993 @@ -36,13 +36,19 @@ * SUCH DAMAGE. */ -#include "compat.h" +#include "config.h" +#if !defined(lint) && !defined(SCCSID) +#if 0 +static char sccsid[] = "@(#)read.c 8.1 (Berkeley) 6/4/93"; +#else +__RCSID("$NetBSD: read.c,v 1.24 2002/11/20 16:50:08 christos Exp $"); +#endif +#endif /* not lint && not SCCSID */ /* * read.c: Clean this junk up! This is horrible code. * Terminal read functions */ -#include "sys.h" #include <errno.h> #include <unistd.h> #include <stdlib.h> @@ -52,12 +58,44 @@ private int read__fixio(int, int); private int read_preread(EditLine *); -private int read_getcmd(EditLine *, el_action_t *, char *); private int read_char(EditLine *, char *); +private int read_getcmd(EditLine *, el_action_t *, char *); + +/* read_init(): + * Initialize the read stuff + */ +protected int +read_init(EditLine *el) +{ + /* builtin read_char */ + el->el_read.read_char = read_char; + return 0; +} + + +/* el_read_setfn(): + * Set the read char function to the one provided. + * If it is set to EL_BUILTIN_GETCFN, then reset to the builtin one. + */ +protected int +el_read_setfn(EditLine *el, el_rfunc_t rc) +{ + el->el_read.read_char = (rc == EL_BUILTIN_GETCFN) ? read_char : rc; + return 0; +} + + +/* el_read_getfn(): + * return the current read char function, or EL_BUILTIN_GETCFN + * if it is the default one + */ +protected el_rfunc_t +el_read_getfn(EditLine *el) +{ + return (el->el_read.read_char == read_char) ? + EL_BUILTIN_GETCFN : el->el_read.read_char; +} -#ifndef MIN -#define MIN(A,B) ((A) < (B) ? (A) : (B)) -#endif #ifdef DEBUG_EDIT private void @@ -83,7 +121,11 @@ read_debug(EditLine *el) */ /* ARGSUSED */ private int -read__fixio(int fd __attribute__((unused)), int e) +read__fixio(int fd +#if !(defined(TRY_AGAIN) && (defined(FIONBIO) || (defined(F_SETFL) && defined(O_NDELAY)))) + __attribute__((unused)) +#endif /* !(defined(TRY_AGAIN) && (defined(FIONBIO) || (defined(F_SETFL) && defined(O_NDELAY)))) */ +, int e) { switch (e) { @@ -156,6 +198,10 @@ read_preread(EditLine *el) return (0); #ifdef FIONREAD + +#ifndef MIN // definition of MIN is lacking on hpux.. +#define MIN(x,y) (((x)<(y))?(x):(y)) +#endif (void) ioctl(el->el_infd, FIONREAD, (ioctl_t) & chrs); if (chrs > 0) { char buf[EL_BUFSIZ]; @@ -178,14 +224,13 @@ read_preread(EditLine *el) * Push a macro */ public void -el_push(EditLine *el, const char *str) +el_push(EditLine *el, char *str) { c_macro_t *ma = &el->el_chared.c_macro; if (str != NULL && ma->level + 1 < EL_MAXMACRO) { ma->level++; - /* LINTED const cast */ - ma->macro[ma->level] = (char *) str; + ma->macro[ma->level] = str; } else { term_beep(el); term__flush(); @@ -199,10 +244,10 @@ el_push(EditLine *el, const char *str) private int read_getcmd(EditLine *el, el_action_t *cmdnum, char *ch) { - el_action_t cmd = ED_UNASSIGNED; + el_action_t cmd; int num; - while (cmd == ED_UNASSIGNED || cmd == ED_SEQUENCE_LEAD_IN) { + do { if ((num = el_getc(el, ch)) != 1) /* if EOF or error */ return (num); @@ -221,7 +266,7 @@ read_getcmd(EditLine *el, el_action_t *cmdnum, char *ch) cmd = el->el_map.current[(unsigned char) *ch]; if (cmd == ED_SEQUENCE_LEAD_IN) { key_value_t val; - switch (key_get(el, ch, &val)) { + switch (el_key_get(el, ch, &val)) { case XK_CMD: cmd = val.cmd; break; @@ -241,7 +286,7 @@ read_getcmd(EditLine *el, el_action_t *cmdnum, char *ch) } if (el->el_map.alt == NULL) el->el_map.current = el->el_map.key; - } + } while (cmd == ED_SEQUENCE_LEAD_IN); *cmdnum = cmd; return (OKCMD); } @@ -307,7 +352,7 @@ el_getc(EditLine *el, char *cp) #ifdef DEBUG_READ (void) fprintf(el->el_errfile, "Reading a character\n"); #endif /* DEBUG_READ */ - num_read = read_char(el, cp); + num_read = (*el->el_read.read_char)(el, cp); #ifdef DEBUG_READ (void) fprintf(el->el_errfile, "Got it %c\n", *cp); #endif /* DEBUG_READ */ @@ -333,7 +378,7 @@ el_gets(EditLine *el, int *nread) char *cp = el->el_line.buffer; size_t idx; - while (read_char(el, cp) == 1) { + while ((*el->el_read.read_char)(el, cp) == 1) { /* make sure there is space for next character */ if (cp + 1 >= el->el_line.limit) { idx = (cp - el->el_line.buffer); @@ -352,6 +397,11 @@ el_gets(EditLine *el, int *nread) *nread = el->el_line.cursor - el->el_line.buffer; return (el->el_line.buffer); } + + /* This is relatively cheap, and things go terribly wrong if + we have the wrong size. */ + el_resize(el); + re_clear_display(el); /* reset the display stuff */ ch_reset(el); @@ -378,7 +428,7 @@ el_gets(EditLine *el, int *nread) term__flush(); - while (read_char(el, cp) == 1) { + while ((*el->el_read.read_char)(el, cp) == 1) { /* make sure there is space next character */ if (cp + 1 >= el->el_line.limit) { idx = (cp - el->el_line.buffer); @@ -386,6 +436,8 @@ el_gets(EditLine *el, int *nread) break; cp = &el->el_line.buffer[idx]; } + if (*cp == 4) /* ought to be stty eof */ + break; cp++; if (cp[-1] == '\r' || cp[-1] == '\n') break; @@ -397,6 +449,7 @@ el_gets(EditLine *el, int *nread) *nread = el->el_line.cursor - el->el_line.buffer; return (el->el_line.buffer); } + for (num = OKCMD; num == OKCMD;) { /* while still editing this * line */ #ifdef DEBUG_EDIT @@ -410,7 +463,8 @@ el_gets(EditLine *el, int *nread) #endif /* DEBUG_READ */ break; } - if ((int) cmdnum >= el->el_map.nfunc) { /* BUG CHECK command */ + if ((unsigned int)cmdnum >= (unsigned int)(el->el_map.nfunc)) + { /* BUG CHECK command */ #ifdef DEBUG_EDIT (void) fprintf(el->el_errfile, "ERROR: illegal command from key 0%o\r\n", ch); @@ -432,7 +486,24 @@ el_gets(EditLine *el, int *nread) "Error command = %d\n", cmdnum); } #endif /* DEBUG_READ */ + /* vi redo needs these way down the levels... */ + el->el_state.thiscmd = cmdnum; + el->el_state.thisch = ch; + if (el->el_map.type == MAP_VI && + el->el_map.current == el->el_map.key && + el->el_chared.c_redo.pos < el->el_chared.c_redo.lim) { + if (cmdnum == VI_DELETE_PREV_CHAR && + el->el_chared.c_redo.pos != el->el_chared.c_redo.buf + && isprint(el->el_chared.c_redo.pos[-1])) + el->el_chared.c_redo.pos--; + else + *el->el_chared.c_redo.pos++ = ch; + } retval = (*el->el_map.func[cmdnum]) (el, ch); +#ifdef DEBUG_READ + (void) fprintf(el->el_errfile, + "Returned state %d\n", retval ); +#endif /* DEBUG_READ */ /* save the last command here */ el->el_state.lastcmd = cmdnum; @@ -440,8 +511,6 @@ el_gets(EditLine *el, int *nread) /* use any return value */ switch (retval) { case CC_CURSOR: - el->el_state.argument = 1; - el->el_state.doingarg = 0; re_refresh_cursor(el); break; @@ -451,26 +520,20 @@ el_gets(EditLine *el, int *nread) /* FALLTHROUGH */ case CC_REFRESH: - el->el_state.argument = 1; - el->el_state.doingarg = 0; re_refresh(el); break; case CC_REFRESH_BEEP: - el->el_state.argument = 1; - el->el_state.doingarg = 0; re_refresh(el); term_beep(el); break; case CC_NORM: /* normal char */ - el->el_state.argument = 1; - el->el_state.doingarg = 0; break; case CC_ARGHACK: /* Suggested by Rich Salz */ /* <rsalz@pineapple.bbn.com> */ - break; /* keep going... */ + continue; /* keep going... */ case CC_EOF: /* end of file typed */ num = 0; @@ -489,8 +552,6 @@ el_gets(EditLine *el, int *nread) re_clear_display(el); /* reset the display stuff */ ch_reset(el); /* reset the input pointers */ re_refresh(el); /* print the prompt again */ - el->el_state.argument = 1; - el->el_state.doingarg = 0; break; case CC_ERROR: @@ -499,17 +560,18 @@ el_gets(EditLine *el, int *nread) (void) fprintf(el->el_errfile, "*** editor ERROR ***\r\n\n"); #endif /* DEBUG_READ */ - el->el_state.argument = 1; - el->el_state.doingarg = 0; term_beep(el); term__flush(); break; } + el->el_state.argument = 1; + el->el_state.doingarg = 0; + el->el_chared.c_vcmd.action = NOP; } - /* make sure the tty is set up correctly */ - (void) tty_cookedmode(el); term__flush(); /* flush any buffered output */ + /* make sure the tty is set up correctly */ + (void) tty_cookedmode(el); if (el->el_flags & HANDLE_SIGNALS) sig_clr(el); if (nread) |