diff options
author | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-08-21 02:11:39 +0000 |
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committer | kpfleming <kpfleming@f38db490-d61c-443f-a65b-d21fe96a405b> | 2006-08-21 02:11:39 +0000 |
commit | 8b0c007ad990aa27d9868da49215fd1076ac77cc (patch) | |
tree | 270b9c46c1e644483d6d2a35b509f43218ba3252 /editline/term.c | |
parent | a42edc84034f91932a3e12d503e07f76a6eb498a (diff) |
merge new_loader_completion branch, including (at least):
- restructured build tree and makefiles to eliminate recursion problems
- support for embedded modules
- support for static builds
- simpler cross-compilation support
- simpler module/loader interface (no exported symbols)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@40722 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'editline/term.c')
-rw-r--r-- | editline/term.c | 1587 |
1 files changed, 0 insertions, 1587 deletions
diff --git a/editline/term.c b/editline/term.c deleted file mode 100644 index fb627cabb..000000000 --- a/editline/term.c +++ /dev/null @@ -1,1587 +0,0 @@ -/* $NetBSD: term.c,v 1.35 2002/03/18 16:00:59 christos Exp $ */ - -/*- - * Copyright (c) 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Christos Zoulas of Cornell University. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include "config.h" -#if !defined(lint) && !defined(SCCSID) -#if 0 -static char sccsid[] = "@(#)term.c 8.2 (Berkeley) 4/30/95"; -#else -__RCSID("$NetBSD: term.c,v 1.35 2002/03/18 16:00:59 christos Exp $"); -#endif -#endif /* not lint && not SCCSID */ - -/* - * term.c: Editor/termcap-curses interface - * We have to declare a static variable here, since the - * termcap putchar routine does not take an argument! - */ -#include <stdio.h> -#include <signal.h> -#include <string.h> -#include <stdlib.h> -#include <unistd.h> -#ifdef HAVE_TERMCAP_H -#include <termcap.h> -#endif -#ifdef HAVE_CURSES_H -#include <curses.h> -#endif -#ifdef HAVE_NCURSES_H -#include <ncurses.h> -#endif -#if defined(HAVE_TERM_H) -#include "term.h" -/* Can not use /usr/include/term.h because of a lot of incompatibilities, so just define some prototypes */ -extern int tgetent(char *, const char *); -extern int tgetflag(const char *); -extern int tgetnum(const char *); -extern char *tgetstr(const char *, char **); -extern int tputs (const char *, int, int (*)(int)); -extern char *tgoto (const char *, int, int); -#endif /* defined(HAVE_TERM_H) */ -#include <sys/types.h> -#include <sys/ioctl.h> - -#include "el.h" - -/* - * IMPORTANT NOTE: these routines are allowed to look at the current screen - * and the current possition assuming that it is correct. If this is not - * true, then the update will be WRONG! This is (should be) a valid - * assumption... - */ - -#define TC_BUFSIZE 2048 - -#define GoodStr(a) (el->el_term.t_str[a] != NULL && \ - el->el_term.t_str[a][0] != '\0') -#define Str(a) el->el_term.t_str[a] -#define Val(a) el->el_term.t_val[a] - -#ifdef notdef -private const struct { - const char *b_name; - int b_rate; -} baud_rate[] = { -#ifdef B0 - { "0", B0 }, -#endif -#ifdef B50 - { "50", B50 }, -#endif -#ifdef B75 - { "75", B75 }, -#endif -#ifdef B110 - { "110", B110 }, -#endif -#ifdef B134 - { "134", B134 }, -#endif -#ifdef B150 - { "150", B150 }, -#endif -#ifdef B200 - { "200", B200 }, -#endif -#ifdef B300 - { "300", B300 }, -#endif -#ifdef B600 - { "600", B600 }, -#endif -#ifdef B900 - { "900", B900 }, -#endif -#ifdef B1200 - { "1200", B1200 }, -#endif -#ifdef B1800 - { "1800", B1800 }, -#endif -#ifdef B2400 - { "2400", B2400 }, -#endif -#ifdef B3600 - { "3600", B3600 }, -#endif -#ifdef B4800 - { "4800", B4800 }, -#endif -#ifdef B7200 - { "7200", B7200 }, -#endif -#ifdef B9600 - { "9600", B9600 }, -#endif -#ifdef EXTA - { "19200", EXTA }, -#endif -#ifdef B19200 - { "19200", B19200 }, -#endif -#ifdef EXTB - { "38400", EXTB }, -#endif -#ifdef B38400 - { "38400", B38400 }, -#endif - { NULL, 0 } -}; -#endif - -private const struct termcapstr { - const char *name; - const char *long_name; -} tstr[] = { -#define T_al 0 - { "al", "add new blank line" }, -#define T_bl 1 - { "bl", "audible bell" }, -#define T_cd 2 - { "cd", "clear to bottom" }, -#define T_ce 3 - { "ce", "clear to end of line" }, -#define T_ch 4 - { "ch", "cursor to horiz pos" }, -#define T_cl 5 - { "cl", "clear screen" }, -#define T_dc 6 - { "dc", "delete a character" }, -#define T_dl 7 - { "dl", "delete a line" }, -#define T_dm 8 - { "dm", "start delete mode" }, -#define T_ed 9 - { "ed", "end delete mode" }, -#define T_ei 10 - { "ei", "end insert mode" }, -#define T_fs 11 - { "fs", "cursor from status line" }, -#define T_ho 12 - { "ho", "home cursor" }, -#define T_ic 13 - { "ic", "insert character" }, -#define T_im 14 - { "im", "start insert mode" }, -#define T_ip 15 - { "ip", "insert padding" }, -#define T_kd 16 - { "kd", "sends cursor down" }, -#define T_kl 17 - { "kl", "sends cursor left" }, -#define T_kr 18 - { "kr", "sends cursor right" }, -#define T_ku 19 - { "ku", "sends cursor up" }, -#define T_md 20 - { "md", "begin bold" }, -#define T_me 21 - { "me", "end attributes" }, -#define T_nd 22 - { "nd", "non destructive space" }, -#define T_se 23 - { "se", "end standout" }, -#define T_so 24 - { "so", "begin standout" }, -#define T_ts 25 - { "ts", "cursor to status line" }, -#define T_up 26 - { "up", "cursor up one" }, -#define T_us 27 - { "us", "begin underline" }, -#define T_ue 28 - { "ue", "end underline" }, -#define T_vb 29 - { "vb", "visible bell" }, -#define T_DC 30 - { "DC", "delete multiple chars" }, -#define T_DO 31 - { "DO", "cursor down multiple" }, -#define T_IC 32 - { "IC", "insert multiple chars" }, -#define T_LE 33 - { "LE", "cursor left multiple" }, -#define T_RI 34 - { "RI", "cursor right multiple" }, -#define T_UP 35 - { "UP", "cursor up multiple" }, -#define T_kh 36 - { "kh", "send cursor home" }, -#define T_at7 37 - { "@7", "send cursor end" }, -#define T_str 38 - { NULL, NULL } -}; - -private const struct termcapval { - const char *name; - const char *long_name; -} tval[] = { -#define T_am 0 - { "am", "has automatic margins" }, -#define T_pt 1 - { "pt", "has physical tabs" }, -#define T_li 2 - { "li", "Number of lines" }, -#define T_co 3 - { "co", "Number of columns" }, -#define T_km 4 - { "km", "Has meta key" }, -#define T_xt 5 - { "xt", "Tab chars destructive" }, -#define T_xn 6 - { "xn", "newline ignored at right margin" }, -#define T_MT 7 - { "MT", "Has meta key" }, /* XXX? */ -#define T_val 8 - { NULL, NULL, } -}; -/* do two or more of the attributes use me */ - -private void term_setflags(EditLine *); -private int term_rebuffer_display(EditLine *); -private void term_free_display(EditLine *); -private int term_alloc_display(EditLine *); -private void term_alloc(EditLine *, const struct termcapstr *, const char *); -private void term_init_arrow(EditLine *); -private void term_reset_arrow(EditLine *); - - -private FILE *term_outfile = NULL; /* XXX: How do we fix that? */ - - -/* term_setflags(): - * Set the terminal capability flags - */ -private void -term_setflags(EditLine *el) -{ - EL_FLAGS = 0; - if (el->el_tty.t_tabs) - EL_FLAGS |= (Val(T_pt) && !Val(T_xt)) ? TERM_CAN_TAB : 0; - - EL_FLAGS |= (Val(T_km) || Val(T_MT)) ? TERM_HAS_META : 0; - EL_FLAGS |= GoodStr(T_ce) ? TERM_CAN_CEOL : 0; - EL_FLAGS |= (GoodStr(T_dc) || GoodStr(T_DC)) ? TERM_CAN_DELETE : 0; - EL_FLAGS |= (GoodStr(T_im) || GoodStr(T_ic) || GoodStr(T_IC)) ? - TERM_CAN_INSERT : 0; - EL_FLAGS |= (GoodStr(T_up) || GoodStr(T_UP)) ? TERM_CAN_UP : 0; - EL_FLAGS |= Val(T_am) ? TERM_HAS_AUTO_MARGINS : 0; - EL_FLAGS |= Val(T_xn) ? TERM_HAS_MAGIC_MARGINS : 0; - - if (GoodStr(T_me) && GoodStr(T_ue)) - EL_FLAGS |= (strcmp(Str(T_me), Str(T_ue)) == 0) ? - TERM_CAN_ME : 0; - else - EL_FLAGS &= ~TERM_CAN_ME; - if (GoodStr(T_me) && GoodStr(T_se)) - EL_FLAGS |= (strcmp(Str(T_me), Str(T_se)) == 0) ? - TERM_CAN_ME : 0; - - -#ifdef DEBUG_SCREEN - if (!EL_CAN_UP) { - (void) fprintf(el->el_errfile, - "WARNING: Your terminal cannot move up.\n"); - (void) fprintf(el->el_errfile, - "Editing may be odd for long lines.\n"); - } - if (!EL_CAN_CEOL) - (void) fprintf(el->el_errfile, "no clear EOL capability.\n"); - if (!EL_CAN_DELETE) - (void) fprintf(el->el_errfile, "no delete char capability.\n"); - if (!EL_CAN_INSERT) - (void) fprintf(el->el_errfile, "no insert char capability.\n"); -#endif /* DEBUG_SCREEN */ -} - - -/* term_init(): - * Initialize the terminal stuff - */ -protected int -term_init(EditLine *el) -{ - - el->el_term.t_buf = (char *) el_malloc(TC_BUFSIZE); - if (el->el_term.t_buf == NULL) - return (-1); - el->el_term.t_cap = (char *) el_malloc(TC_BUFSIZE); - if (el->el_term.t_cap == NULL) - return (-1); - el->el_term.t_fkey = (fkey_t *) el_malloc(A_K_NKEYS * sizeof(fkey_t)); - if (el->el_term.t_fkey == NULL) - return (-1); - el->el_term.t_loc = 0; - el->el_term.t_str = (char **) el_malloc(T_str * sizeof(char *)); - if (el->el_term.t_str == NULL) - return (-1); - (void) memset(el->el_term.t_str, 0, T_str * sizeof(char *)); - el->el_term.t_val = (int *) el_malloc(T_val * sizeof(int)); - if (el->el_term.t_val == NULL) - return (-1); - (void) memset(el->el_term.t_val, 0, T_val * sizeof(int)); - term_outfile = el->el_outfile; - (void) term_set(el, NULL); - term_init_arrow(el); - return (0); -} -/* term_end(): - * Clean up the terminal stuff - */ -protected void -term_end(EditLine *el) -{ - - el_free((ptr_t) el->el_term.t_buf); - el->el_term.t_buf = NULL; - el_free((ptr_t) el->el_term.t_cap); - el->el_term.t_cap = NULL; - el_free((ptr_t) el->el_term.t_fkey); - el->el_term.t_fkey = NULL; - el->el_term.t_loc = 0; - el_free((ptr_t) el->el_term.t_str); - el->el_term.t_str = NULL; - el_free((ptr_t) el->el_term.t_val); - el->el_term.t_val = NULL; - term_free_display(el); -} - - -/* term_alloc(): - * Maintain a string pool for termcap strings - */ -private void -term_alloc(EditLine *el, const struct termcapstr *t, const char *cap) -{ - char termbuf[TC_BUFSIZE]; - int tlen, clen; - char **tlist = el->el_term.t_str; - char **tmp, **str = &tlist[t - tstr]; - - if (cap == NULL || *cap == '\0') { - *str = NULL; - return; - } else - clen = strlen(cap); - - tlen = *str == NULL ? 0 : strlen(*str); - - /* - * New string is shorter; no need to allocate space - */ - if (clen <= tlen) { - (void) strcpy(*str, cap); /* XXX strcpy is safe */ - return; - } - /* - * New string is longer; see if we have enough space to append - */ - if (el->el_term.t_loc + 3 < TC_BUFSIZE) { - /* XXX strcpy is safe */ - (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc], - cap); - el->el_term.t_loc += clen + 1; /* one for \0 */ - return; - } - /* - * Compact our buffer; no need to check compaction, cause we know it - * fits... - */ - tlen = 0; - for (tmp = tlist; tmp < &tlist[T_str]; tmp++) - if (*tmp != NULL && *tmp != '\0' && *tmp != *str) { - char *ptr; - - for (ptr = *tmp; *ptr != '\0'; termbuf[tlen++] = *ptr++) - continue; - termbuf[tlen++] = '\0'; - } - memcpy(el->el_term.t_buf, termbuf, TC_BUFSIZE); - el->el_term.t_loc = tlen; - if (el->el_term.t_loc + 3 >= TC_BUFSIZE) { - (void) fprintf(el->el_errfile, - "Out of termcap string space.\n"); - return; - } - /* XXX strcpy is safe */ - (void) strcpy(*str = &el->el_term.t_buf[el->el_term.t_loc], cap); - el->el_term.t_loc += clen + 1; /* one for \0 */ - return; -} - - -/* term_rebuffer_display(): - * Rebuffer the display after the screen changed size - */ -private int -term_rebuffer_display(EditLine *el) -{ - coord_t *c = &el->el_term.t_size; - - term_free_display(el); - - c->h = Val(T_co); - c->v = Val(T_li); - - if (term_alloc_display(el) == -1) - return (-1); - return (0); -} - - -/* term_alloc_display(): - * Allocate a new display. - */ -private int -term_alloc_display(EditLine *el) -{ - int i; - char **b; - coord_t *c = &el->el_term.t_size; - - b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1))); - if (b == NULL) - return (-1); - for (i = 0; i < c->v; i++) { - b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1))); - if (b[i] == NULL) - return (-1); - } - b[c->v] = NULL; - el->el_display = b; - - b = (char **) el_malloc((size_t) (sizeof(char *) * (c->v + 1))); - if (b == NULL) - return (-1); - for (i = 0; i < c->v; i++) { - b[i] = (char *) el_malloc((size_t) (sizeof(char) * (c->h + 1))); - if (b[i] == NULL) - return (-1); - } - b[c->v] = NULL; - el->el_vdisplay = b; - return (0); -} - - -/* term_free_display(): - * Free the display buffers - */ -private void -term_free_display(EditLine *el) -{ - char **b; - char **bufp; - - b = el->el_display; - el->el_display = NULL; - if (b != NULL) { - for (bufp = b; *bufp != NULL; bufp++) - el_free((ptr_t) * bufp); - el_free((ptr_t) b); - } - b = el->el_vdisplay; - el->el_vdisplay = NULL; - if (b != NULL) { - for (bufp = b; *bufp != NULL; bufp++) - el_free((ptr_t) * bufp); - el_free((ptr_t) b); - } -} - - -/* term_move_to_line(): - * move to line <where> (first line == 0) - * as efficiently as possible - */ -protected void -term_move_to_line(EditLine *el, int where) -{ - int del; - - if (where == el->el_cursor.v) - return; - - if (where > el->el_term.t_size.v) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "term_move_to_line: where is ridiculous: %d\r\n", where); -#endif /* DEBUG_SCREEN */ - return; - } - if ((del = where - el->el_cursor.v) > 0) { - while (del > 0) { - if (EL_HAS_AUTO_MARGINS && - el->el_display[el->el_cursor.v][0] != '\0') { - /* move without newline */ - term_move_to_char(el, el->el_term.t_size.h - 1); - term_overwrite(el, - &el->el_display[el->el_cursor.v][el->el_cursor.h], - 1); - /* updates Cursor */ - del--; - } else { - if ((del > 1) && GoodStr(T_DO)) { - (void) tputs(tgoto(Str(T_DO), del, del), - del, term__putc); - del = 0; - } else { - for (; del > 0; del--) - term__putc('\n'); - /* because the \n will become \r\n */ - el->el_cursor.h = 0; - } - } - } - } else { /* del < 0 */ - if (GoodStr(T_UP) && (-del > 1 || !GoodStr(T_up))) - (void) tputs(tgoto(Str(T_UP), -del, -del), -del, - term__putc); - else { - if (GoodStr(T_up)) - for (; del < 0; del++) - (void) tputs(Str(T_up), 1, term__putc); - } - } - el->el_cursor.v = where;/* now where is here */ -} - - -/* term_move_to_char(): - * Move to the character position specified - */ -protected void -term_move_to_char(EditLine *el, int where) -{ - int del, i; - -mc_again: - if (where == el->el_cursor.h) - return; - - if (where > el->el_term.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "term_move_to_char: where is riduculous: %d\r\n", where); -#endif /* DEBUG_SCREEN */ - return; - } - if (!where) { /* if where is first column */ - term__putc('\r'); /* do a CR */ - el->el_cursor.h = 0; - return; - } - del = where - el->el_cursor.h; - - if ((del < -4 || del > 4) && GoodStr(T_ch)) - /* go there directly */ - (void) tputs(tgoto(Str(T_ch), where, where), where, term__putc); - else { - if (del > 0) { /* moving forward */ - if ((del > 4) && GoodStr(T_RI)) - (void) tputs(tgoto(Str(T_RI), del, del), - del, term__putc); - else { - /* if I can do tabs, use them */ - if (EL_CAN_TAB) { - if ((el->el_cursor.h & 0370) != - (where & 0370)) { - /* if not within tab stop */ - for (i = - (el->el_cursor.h & 0370); - i < (where & 0370); - i += 8) - term__putc('\t'); - /* then tab over */ - el->el_cursor.h = where & 0370; - } - } - /* - * it's usually cheaper to just write the - * chars, so we do. - */ - /* - * NOTE THAT term_overwrite() WILL CHANGE - * el->el_cursor.h!!! - */ - term_overwrite(el, - &el->el_display[el->el_cursor.v][el->el_cursor.h], - where - el->el_cursor.h); - - } - } else { /* del < 0 := moving backward */ - if ((-del > 4) && GoodStr(T_LE)) - (void) tputs(tgoto(Str(T_LE), -del, -del), - -del, term__putc); - else { /* can't go directly there */ - /* - * if the "cost" is greater than the "cost" - * from col 0 - */ - if (EL_CAN_TAB ? - (-del > (((unsigned int) where >> 3) + - (where & 07))) - : (-del > where)) { - term__putc('\r'); /* do a CR */ - el->el_cursor.h = 0; - goto mc_again; /* and try again */ - } - for (i = 0; i < -del; i++) - term__putc('\b'); - } - } - } - el->el_cursor.h = where; /* now where is here */ -} - - -/* term_overwrite(): - * Overstrike num characters - */ -protected void -term_overwrite(EditLine *el, const char *cp, int n) -{ - if (n <= 0) - return; /* catch bugs */ - - if (n > el->el_term.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "term_overwrite: n is riduculous: %d\r\n", n); -#endif /* DEBUG_SCREEN */ - return; - } - do { - term__putc(*cp++); - el->el_cursor.h++; - } while (--n); - - if (el->el_cursor.h >= el->el_term.t_size.h) { /* wrap? */ - if (EL_HAS_AUTO_MARGINS) { /* yes */ - el->el_cursor.h = 0; - el->el_cursor.v++; - if (EL_HAS_MAGIC_MARGINS) { - /* force the wrap to avoid the "magic" - * situation */ - char c; - if ((c = el->el_display[el->el_cursor.v][el->el_cursor.h]) - != '\0') - term_overwrite(el, &c, 1); - else - term__putc(' '); - el->el_cursor.h = 1; - } - } else /* no wrap, but cursor stays on screen */ - el->el_cursor.h = el->el_term.t_size.h; - } -} - - -/* term_deletechars(): - * Delete num characters - */ -protected void -term_deletechars(EditLine *el, int num) -{ - if (num <= 0) - return; - - if (!EL_CAN_DELETE) { -#ifdef DEBUG_EDIT - (void) fprintf(el->el_errfile, " ERROR: cannot delete \n"); -#endif /* DEBUG_EDIT */ - return; - } - if (num > el->el_term.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "term_deletechars: num is riduculous: %d\r\n", num); -#endif /* DEBUG_SCREEN */ - return; - } - if (GoodStr(T_DC)) /* if I have multiple delete */ - if ((num > 1) || !GoodStr(T_dc)) { /* if dc would be more - * expen. */ - (void) tputs(tgoto(Str(T_DC), num, num), - num, term__putc); - return; - } - if (GoodStr(T_dm)) /* if I have delete mode */ - (void) tputs(Str(T_dm), 1, term__putc); - - if (GoodStr(T_dc)) /* else do one at a time */ - while (num--) - (void) tputs(Str(T_dc), 1, term__putc); - - if (GoodStr(T_ed)) /* if I have delete mode */ - (void) tputs(Str(T_ed), 1, term__putc); -} - - -/* term_insertwrite(): - * Puts terminal in insert character mode or inserts num - * characters in the line - */ -protected void -term_insertwrite(EditLine *el, char *cp, int num) -{ - if (num <= 0) - return; - if (!EL_CAN_INSERT) { -#ifdef DEBUG_EDIT - (void) fprintf(el->el_errfile, " ERROR: cannot insert \n"); -#endif /* DEBUG_EDIT */ - return; - } - if (num > el->el_term.t_size.h) { -#ifdef DEBUG_SCREEN - (void) fprintf(el->el_errfile, - "StartInsert: num is riduculous: %d\r\n", num); -#endif /* DEBUG_SCREEN */ - return; - } - if (GoodStr(T_IC)) /* if I have multiple insert */ - if ((num > 1) || !GoodStr(T_ic)) { - /* if ic would be more expensive */ - (void) tputs(tgoto(Str(T_IC), num, num), - num, term__putc); - term_overwrite(el, cp, num); - /* this updates el_cursor.h */ - return; - } - if (GoodStr(T_im) && GoodStr(T_ei)) { /* if I have insert mode */ - (void) tputs(Str(T_im), 1, term__putc); - - el->el_cursor.h += num; - do - term__putc(*cp++); - while (--num); - - if (GoodStr(T_ip)) /* have to make num chars insert */ - (void) tputs(Str(T_ip), 1, term__putc); - - (void) tputs(Str(T_ei), 1, term__putc); - return; - } - do { - if (GoodStr(T_ic)) /* have to make num chars insert */ - (void) tputs(Str(T_ic), 1, term__putc); - /* insert a char */ - - term__putc(*cp++); - - el->el_cursor.h++; - - if (GoodStr(T_ip)) /* have to make num chars insert */ - (void) tputs(Str(T_ip), 1, term__putc); - /* pad the inserted char */ - - } while (--num); -} - - -/* term_clear_EOL(): - * clear to end of line. There are num characters to clear - */ -protected void -term_clear_EOL(EditLine *el, int num) -{ - int i; - - if (EL_CAN_CEOL && GoodStr(T_ce)) - (void) tputs(Str(T_ce), 1, term__putc); - else { - for (i = 0; i < num; i++) - term__putc(' '); - el->el_cursor.h += num; /* have written num spaces */ - } -} - - -/* term_clear_screen(): - * Clear the screen - */ -protected void -term_clear_screen(EditLine *el) -{ /* clear the whole screen and home */ - - if (GoodStr(T_cl)) - /* send the clear screen code */ - (void) tputs(Str(T_cl), Val(T_li), term__putc); - else if (GoodStr(T_ho) && GoodStr(T_cd)) { - (void) tputs(Str(T_ho), Val(T_li), term__putc); /* home */ - /* clear to bottom of screen */ - (void) tputs(Str(T_cd), Val(T_li), term__putc); - } else { - term__putc('\r'); - term__putc('\n'); - } -} - - -/* term_beep(): - * Beep the way the terminal wants us - */ -protected void -term_beep(EditLine *el) -{ - if (GoodStr(T_bl)) - /* what termcap says we should use */ - (void) tputs(Str(T_bl), 1, term__putc); - else - term__putc('\007'); /* an ASCII bell; ^G */ -} - - -#ifdef notdef -/* term_clear_to_bottom(): - * Clear to the bottom of the screen - */ -protected void -term_clear_to_bottom(EditLine *el) -{ - if (GoodStr(T_cd)) - (void) tputs(Str(T_cd), Val(T_li), term__putc); - else if (GoodStr(T_ce)) - (void) tputs(Str(T_ce), Val(T_li), term__putc); -} -#endif - - -/* term_set(): - * Read in the terminal capabilities from the requested terminal - */ -protected int -term_set(EditLine *el, const char *term) -{ - int i; - char buf[TC_BUFSIZE]; - char *area; - const struct termcapstr *t; - sigset_t oset, nset; - int lins, cols; - - (void) sigemptyset(&nset); - (void) sigaddset(&nset, SIGWINCH); - (void) sigprocmask(SIG_BLOCK, &nset, &oset); - - area = buf; - - - if (term == NULL) - term = getenv("TERM"); - - if (!term || !term[0]) - term = "dumb"; - - if (strcmp(term, "emacs") == 0) - el->el_flags |= EDIT_DISABLED; - - memset(el->el_term.t_cap, 0, TC_BUFSIZE); - - i = tgetent(el->el_term.t_cap, term); - - if (i <= 0) { - if (i == -1) - (void) fprintf(el->el_errfile, - "Cannot read termcap database;\n"); - else if (i == 0) - (void) fprintf(el->el_errfile, - "No entry for terminal type \"%s\";\n", term); - (void) fprintf(el->el_errfile, - "using dumb terminal settings.\n"); - Val(T_co) = 80; /* do a dumb terminal */ - Val(T_pt) = Val(T_km) = Val(T_li) = 0; - Val(T_xt) = Val(T_MT); - for (t = tstr; t->name != NULL; t++) - term_alloc(el, t, NULL); - } else { - /* auto/magic margins */ - Val(T_am) = tgetflag("am"); - Val(T_xn) = tgetflag("xn"); - /* Can we tab */ - Val(T_pt) = tgetflag("pt"); - Val(T_xt) = tgetflag("xt"); - /* do we have a meta? */ - Val(T_km) = tgetflag("km"); - Val(T_MT) = tgetflag("MT"); - /* Get the size */ - Val(T_co) = tgetnum("co"); - Val(T_li) = tgetnum("li"); - for (t = tstr; t->name != NULL; t++) - term_alloc(el, t, tgetstr((char *)t->name, &area)); - } - - if (Val(T_co) < 2) - Val(T_co) = 80; /* just in case */ - if (Val(T_li) < 1) - Val(T_li) = 24; - - el->el_term.t_size.v = Val(T_co); - el->el_term.t_size.h = Val(T_li); - - term_setflags(el); - - /* get the correct window size */ - (void) term_get_size(el, &lins, &cols); - if (term_change_size(el, lins, cols) == -1) - return (-1); - (void) sigprocmask(SIG_SETMASK, &oset, NULL); - term_bind_arrow(el); - return (i <= 0 ? -1 : 0); -} - - -/* term_get_size(): - * Return the new window size in lines and cols, and - * true if the size was changed. - */ -protected int -term_get_size(EditLine *el, int *lins, int *cols) -{ - - *cols = Val(T_co); - *lins = Val(T_li); - -#ifdef TIOCGWINSZ - { - struct winsize ws; - if (ioctl(el->el_infd, TIOCGWINSZ, (ioctl_t) & ws) != -1) { - if (ws.ws_col) - *cols = ws.ws_col; - if (ws.ws_row) - *lins = ws.ws_row; - } - } -#endif -#ifdef TIOCGSIZE - { - struct ttysize ts; - if (ioctl(el->el_infd, TIOCGSIZE, (ioctl_t) & ts) != -1) { - if (ts.ts_cols) - *cols = ts.ts_cols; - if (ts.ts_lines) - *lins = ts.ts_lines; - } - } -#endif - return (Val(T_co) != *cols || Val(T_li) != *lins); -} - - -/* term_change_size(): - * Change the size of the terminal - */ -protected int -term_change_size(EditLine *el, int lins, int cols) -{ - /* - * Just in case - */ - Val(T_co) = (cols < 2) ? 80 : cols; - Val(T_li) = (lins < 1) ? 24 : lins; - - /* re-make display buffers */ - if (term_rebuffer_display(el) == -1) - return (-1); - re_clear_display(el); - return (0); -} - - -/* term_init_arrow(): - * Initialize the arrow key bindings from termcap - */ -private void -term_init_arrow(EditLine *el) -{ - fkey_t *arrow = el->el_term.t_fkey; - - arrow[A_K_DN].name = "down"; - arrow[A_K_DN].key = T_kd; - arrow[A_K_DN].fun.cmd = ED_NEXT_HISTORY; - arrow[A_K_DN].type = XK_CMD; - - arrow[A_K_UP].name = "up"; - arrow[A_K_UP].key = T_ku; - arrow[A_K_UP].fun.cmd = ED_PREV_HISTORY; - arrow[A_K_UP].type = XK_CMD; - - arrow[A_K_LT].name = "left"; - arrow[A_K_LT].key = T_kl; - arrow[A_K_LT].fun.cmd = ED_PREV_CHAR; - arrow[A_K_LT].type = XK_CMD; - - arrow[A_K_RT].name = "right"; - arrow[A_K_RT].key = T_kr; - arrow[A_K_RT].fun.cmd = ED_NEXT_CHAR; - arrow[A_K_RT].type = XK_CMD; - - arrow[A_K_HO].name = "home"; - arrow[A_K_HO].key = T_kh; - arrow[A_K_HO].fun.cmd = ED_MOVE_TO_BEG; - arrow[A_K_HO].type = XK_CMD; - - arrow[A_K_EN].name = "end"; - arrow[A_K_EN].key = T_at7; - arrow[A_K_EN].fun.cmd = ED_MOVE_TO_END; - arrow[A_K_EN].type = XK_CMD; -} - - -/* term_reset_arrow(): - * Reset arrow key bindings - */ -private void -term_reset_arrow(EditLine *el) -{ - fkey_t *arrow = el->el_term.t_fkey; - static const char strA[] = {033, '[', 'A', '\0'}; - static const char strB[] = {033, '[', 'B', '\0'}; - static const char strC[] = {033, '[', 'C', '\0'}; - static const char strD[] = {033, '[', 'D', '\0'}; - static const char strH[] = {033, '[', 'H', '\0'}; - static const char strF[] = {033, '[', 'F', '\0'}; - static const char stOA[] = {033, 'O', 'A', '\0'}; - static const char stOB[] = {033, 'O', 'B', '\0'}; - static const char stOC[] = {033, 'O', 'C', '\0'}; - static const char stOD[] = {033, 'O', 'D', '\0'}; - static const char stOH[] = {033, 'O', 'H', '\0'}; - static const char stOF[] = {033, 'O', 'F', '\0'}; - - key_add(el, strA, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - key_add(el, strB, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - key_add(el, strC, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - key_add(el, strD, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - key_add(el, strH, &arrow[A_K_HO].fun, arrow[A_K_HO].type); - key_add(el, strF, &arrow[A_K_EN].fun, arrow[A_K_EN].type); - key_add(el, stOA, &arrow[A_K_UP].fun, arrow[A_K_UP].type); - key_add(el, stOB, &arrow[A_K_DN].fun, arrow[A_K_DN].type); - key_add(el, stOC, &arrow[A_K_RT].fun, arrow[A_K_RT].type); - key_add(el, stOD, &arrow[A_K_LT].fun, arrow[A_K_LT].type); - key_add(el, stOH, &arrow[A_K_HO].fun, arrow[A_K_HO].type); - key_add(el, stOF, &arrow[A_K_EN].fun, arrow[A_K_EN].type); - - if (el->el_map.type == MAP_VI) { - key_add(el, &strA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type); - key_add(el, &strB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type); - key_add(el, &strC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type); - key_add(el, &strD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type); - key_add(el, &strH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type); - key_add(el, &strF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type); - key_add(el, &stOA[1], &arrow[A_K_UP].fun, arrow[A_K_UP].type); - key_add(el, &stOB[1], &arrow[A_K_DN].fun, arrow[A_K_DN].type); - key_add(el, &stOC[1], &arrow[A_K_RT].fun, arrow[A_K_RT].type); - key_add(el, &stOD[1], &arrow[A_K_LT].fun, arrow[A_K_LT].type); - key_add(el, &stOH[1], &arrow[A_K_HO].fun, arrow[A_K_HO].type); - key_add(el, &stOF[1], &arrow[A_K_EN].fun, arrow[A_K_EN].type); - } -} - - -/* term_set_arrow(): - * Set an arrow key binding - */ -protected int -term_set_arrow(EditLine *el, const char *name, key_value_t *fun, int type) -{ - fkey_t *arrow = el->el_term.t_fkey; - int i; - - for (i = 0; i < A_K_NKEYS; i++) - if (strcmp(name, arrow[i].name) == 0) { - arrow[i].fun = *fun; - arrow[i].type = type; - return (0); - } - return (-1); -} - - -/* term_clear_arrow(): - * Clear an arrow key binding - */ -protected int -term_clear_arrow(EditLine *el, const char *name) -{ - fkey_t *arrow = el->el_term.t_fkey; - int i; - - for (i = 0; i < A_K_NKEYS; i++) - if (strcmp(name, arrow[i].name) == 0) { - arrow[i].type = XK_NOD; - return (0); - } - return (-1); -} - - -/* term_print_arrow(): - * Print the arrow key bindings - */ -protected void -term_print_arrow(EditLine *el, const char *name) -{ - int i; - fkey_t *arrow = el->el_term.t_fkey; - - for (i = 0; i < A_K_NKEYS; i++) - if (*name == '\0' || strcmp(name, arrow[i].name) == 0) - if (arrow[i].type != XK_NOD) - key_kprint(el, arrow[i].name, &arrow[i].fun, - arrow[i].type); -} - - -/* term_bind_arrow(): - * Bind the arrow keys - */ -protected void -term_bind_arrow(EditLine *el) -{ - el_action_t *map; - const el_action_t *dmap; - int i, j; - char *p; - fkey_t *arrow = el->el_term.t_fkey; - - /* Check if the components needed are initialized */ - if (el->el_term.t_buf == NULL || el->el_map.key == NULL) - return; - - map = el->el_map.type == MAP_VI ? el->el_map.alt : el->el_map.key; - dmap = el->el_map.type == MAP_VI ? el->el_map.vic : el->el_map.emacs; - - term_reset_arrow(el); - - for (i = 0; i < A_K_NKEYS; i++) { - p = el->el_term.t_str[arrow[i].key]; - if (p && *p) { - j = (unsigned char) *p; - /* - * Assign the arrow keys only if: - * - * 1. They are multi-character arrow keys and the user - * has not re-assigned the leading character, or - * has re-assigned the leading character to be - * ED_SEQUENCE_LEAD_IN - * 2. They are single arrow keys pointing to an - * unassigned key. - */ - if (arrow[i].type == XK_NOD) - key_clear(el, map, p); - else { - if (p[1] && (dmap[j] == map[j] || - map[j] == ED_SEQUENCE_LEAD_IN)) { - key_add(el, p, &arrow[i].fun, - arrow[i].type); - map[j] = ED_SEQUENCE_LEAD_IN; - } else if (map[j] == ED_UNASSIGNED) { - key_clear(el, map, p); - if (arrow[i].type == XK_CMD) - map[j] = arrow[i].fun.cmd; - else - key_add(el, p, &arrow[i].fun, - arrow[i].type); - } - } - } - } -} - - -/* term__putc(): - * Add a character - */ -protected int -term__putc(int c) -{ - - return (fputc(c, term_outfile)); -} - - -/* term__flush(): - * Flush output - */ -protected void -term__flush(void) -{ - - (void) fflush(term_outfile); -} - - -/* term_telltc(): - * Print the current termcap characteristics - */ -protected int -/*ARGSUSED*/ -term_telltc(EditLine *el, int argc, const char **argv) -{ - const struct termcapstr *t; - char **ts; - char upbuf[EL_BUFSIZ]; - - (void) fprintf(el->el_outfile, "\n\tYour terminal has the\n"); - (void) fprintf(el->el_outfile, "\tfollowing characteristics:\n\n"); - (void) fprintf(el->el_outfile, "\tIt has %d columns and %d lines\n", - Val(T_co), Val(T_li)); - (void) fprintf(el->el_outfile, - "\tIt has %s meta key\n", EL_HAS_META ? "a" : "no"); - (void) fprintf(el->el_outfile, - "\tIt can%suse tabs\n", EL_CAN_TAB ? " " : "not "); - (void) fprintf(el->el_outfile, "\tIt %s automatic margins\n", - EL_HAS_AUTO_MARGINS ? "has" : "does not have"); - if (EL_HAS_AUTO_MARGINS) - (void) fprintf(el->el_outfile, "\tIt %s magic margins\n", - EL_HAS_MAGIC_MARGINS ? "has" : "does not have"); - - for (t = tstr, ts = el->el_term.t_str; t->name != NULL; t++, ts++) - (void) fprintf(el->el_outfile, "\t%25s (%s) == %s\n", - t->long_name, - t->name, *ts && **ts ? - key__decode_str(*ts, upbuf, "") : "(empty)"); - (void) fputc('\n', el->el_outfile); - return (0); -} - - -/* term_settc(): - * Change the current terminal characteristics - */ -protected int -/*ARGSUSED*/ -term_settc(EditLine *el, int argc, const char **argv) -{ - const struct termcapstr *ts; - const struct termcapval *tv; - const char *what, *how; - - if (argv == NULL || argv[1] == NULL || argv[2] == NULL) - return (-1); - - what = argv[1]; - how = argv[2]; - - /* - * Do the strings first - */ - for (ts = tstr; ts->name != NULL; ts++) - if (strcmp(ts->name, what) == 0) - break; - - if (ts->name != NULL) { - term_alloc(el, ts, how); - term_setflags(el); - return (0); - } - /* - * Do the numeric ones second - */ - for (tv = tval; tv->name != NULL; tv++) - if (strcmp(tv->name, what) == 0) - break; - - if (tv->name != NULL) { - if (tv == &tval[T_pt] || tv == &tval[T_km] || - tv == &tval[T_am] || tv == &tval[T_xn]) { - if (strcmp(how, "yes") == 0) - el->el_term.t_val[tv - tval] = 1; - else if (strcmp(how, "no") == 0) - el->el_term.t_val[tv - tval] = 0; - else { - (void) fprintf(el->el_errfile, - "settc: Bad value `%s'.\n", how); - return (-1); - } - term_setflags(el); - if (term_change_size(el, Val(T_li), Val(T_co)) == -1) - return (-1); - return (0); - } else { - long i; - char *ep; - - i = strtol(how, &ep, 10); - if (*ep != '\0') { - (void) fprintf(el->el_errfile, - "settc: Bad value `%s'.\n", how); - return (-1); - } - el->el_term.t_val[tv - tval] = (int) i; - el->el_term.t_size.v = Val(T_co); - el->el_term.t_size.h = Val(T_li); - if (tv == &tval[T_co] || tv == &tval[T_li]) - if (term_change_size(el, Val(T_li), Val(T_co)) - == -1) - return (-1); - return (0); - } - } - return (-1); -} - - -/* term_echotc(): - * Print the termcap string out with variable substitution - */ -protected int -/*ARGSUSED*/ -term_echotc(EditLine *el, int argc, const char **argv) -{ - char *cap, *scap, *ep; - int arg_need, arg_cols, arg_rows; - int verbose = 0, silent = 0; - char *area; - static const char fmts[] = "%s\n", fmtd[] = "%d\n"; - const struct termcapstr *t; - char buf[TC_BUFSIZE]; - long i; - - area = buf; - - if (argv == NULL || argv[1] == NULL) - return (-1); - argv++; - - if (argv[0][0] == '-') { - switch (argv[0][1]) { - case 'v': - verbose = 1; - break; - case 's': - silent = 1; - break; - default: - /* stderror(ERR_NAME | ERR_TCUSAGE); */ - break; - } - argv++; - } - if (!*argv || *argv[0] == '\0') - return (0); - if (strcmp(*argv, "tabs") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_CAN_TAB ? "yes" : "no"); - return (0); - } else if (strcmp(*argv, "meta") == 0) { - (void) fprintf(el->el_outfile, fmts, Val(T_km) ? "yes" : "no"); - return (0); - } else if (strcmp(*argv, "xn") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_HAS_MAGIC_MARGINS ? - "yes" : "no"); - return (0); - } else if (strcmp(*argv, "am") == 0) { - (void) fprintf(el->el_outfile, fmts, EL_HAS_AUTO_MARGINS ? - "yes" : "no"); - return (0); - } else if (strcmp(*argv, "baud") == 0) { -#ifdef notdef - int i; - - for (i = 0; baud_rate[i].b_name != NULL; i++) - if (el->el_tty.t_speed == baud_rate[i].b_rate) { - (void) fprintf(el->el_outfile, fmts, - baud_rate[i].b_name); - return (0); - } - (void) fprintf(el->el_outfile, fmtd, 0); -#else - (void) fprintf(el->el_outfile, fmtd, (int) el->el_tty.t_speed); -#endif - return (0); - } else if (strcmp(*argv, "rows") == 0 || strcmp(*argv, "lines") == 0) { - (void) fprintf(el->el_outfile, fmtd, Val(T_li)); - return (0); - } else if (strcmp(*argv, "cols") == 0) { - (void) fprintf(el->el_outfile, fmtd, Val(T_co)); - return (0); - } - /* - * Try to use our local definition first - */ - scap = NULL; - for (t = tstr; t->name != NULL; t++) - if (strcmp(t->name, *argv) == 0) { - scap = el->el_term.t_str[t - tstr]; - break; - } - if (t->name == NULL) - scap = tgetstr((char *)argv, &area); - if (!scap || scap[0] == '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Termcap parameter `%s' not found.\n", - *argv); - return (-1); - } - /* - * Count home many values we need for this capability. - */ - for (cap = scap, arg_need = 0; *cap; cap++) - if (*cap == '%') - switch (*++cap) { - case 'd': - case '2': - case '3': - case '.': - case '+': - arg_need++; - break; - case '%': - case '>': - case 'i': - case 'r': - case 'n': - case 'B': - case 'D': - break; - default: - /* - * hpux has lot's of them... - */ - if (verbose) - (void) fprintf(el->el_errfile, - "echotc: Warning: unknown termcap %% `%c'.\n", - *cap); - /* This is bad, but I won't complain */ - break; - } - - switch (arg_need) { - case 0: - argv++; - if (*argv && *argv[0]) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Extra argument `%s'.\n", - *argv); - return (-1); - } - (void) tputs(scap, 1, term__putc); - break; - case 1: - argv++; - if (!*argv || *argv[0] == '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Missing argument.\n"); - return (-1); - } - arg_cols = 0; - i = strtol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%s' for rows.\n", - *argv); - return (-1); - } - arg_rows = (int) i; - argv++; - if (*argv && *argv[0]) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Extra argument `%s'.\n", - *argv); - return (-1); - } - (void) tputs(tgoto(scap, arg_cols, arg_rows), 1, term__putc); - break; - default: - /* This is wrong, but I will ignore it... */ - if (verbose) - (void) fprintf(el->el_errfile, - "echotc: Warning: Too many required arguments (%d).\n", - arg_need); - /* FALLTHROUGH */ - case 2: - argv++; - if (!*argv || *argv[0] == '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Missing argument.\n"); - return (-1); - } - i = strtol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%s' for cols.\n", - *argv); - return (-1); - } - arg_cols = (int) i; - argv++; - if (!*argv || *argv[0] == '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Missing argument.\n"); - return (-1); - } - i = strtol(*argv, &ep, 10); - if (*ep != '\0' || i < 0) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%s' for rows.\n", - *argv); - return (-1); - } - arg_rows = (int) i; - if (*ep != '\0') { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Bad value `%s'.\n", *argv); - return (-1); - } - argv++; - if (*argv && *argv[0]) { - if (!silent) - (void) fprintf(el->el_errfile, - "echotc: Warning: Extra argument `%s'.\n", - *argv); - return (-1); - } - (void) tputs(tgoto(scap, arg_cols, arg_rows), arg_rows, - term__putc); - break; - } - return (0); -} |