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-rw-r--r--mdk-stage1/slang/slrline.c836
1 files changed, 836 insertions, 0 deletions
diff --git a/mdk-stage1/slang/slrline.c b/mdk-stage1/slang/slrline.c
new file mode 100644
index 000000000..1874be0bb
--- /dev/null
+++ b/mdk-stage1/slang/slrline.c
@@ -0,0 +1,836 @@
+/* SLang_read_line interface --- uses SLang tty stuff */
+/* Copyright (c) 1992, 1999, 2001 John E. Davis
+ * This file is part of the S-Lang library.
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Perl Artistic License.
+ */
+
+#include "slinclud.h"
+
+#include "slang.h"
+#include "_slang.h"
+
+#ifdef REAL_UNIX_SYSTEM
+int SLang_RL_EOF_Char = 4;
+#else
+int SLang_RL_EOF_Char = 26;
+#endif
+
+int SLang_Rline_Quit;
+static SLang_RLine_Info_Type *This_RLI;
+
+static unsigned char Char_Widths[256];
+static void position_cursor (int);
+
+static void rl_beep (void)
+{
+ putc(7, stdout);
+ fflush (stdout);
+}
+
+/* editing functions */
+static int rl_bol (void)
+{
+ if (This_RLI->point == 0) return 0;
+ This_RLI->point = 0;
+ return 1;
+}
+
+static int rl_eol (void)
+{
+ if (This_RLI->point == This_RLI->len) return 0;
+ This_RLI->point = This_RLI->len;
+ return 1;
+}
+
+static int rl_right (void)
+{
+ if (This_RLI->point == This_RLI->len) return 0;
+ This_RLI->point++;
+ return 1;
+}
+
+static int rl_left (void)
+{
+ if (This_RLI->point == 0) return 0;
+ This_RLI->point--;
+ return 1;
+}
+
+static int rl_self_insert (void)
+{
+ unsigned char *pmin, *p;
+
+ if (This_RLI->len == This_RLI->buf_len)
+ {
+ rl_beep ();
+ return 0;
+ }
+
+ pmin = This_RLI->buf + This_RLI->point;
+ p = This_RLI->buf + This_RLI->len;
+ while (p > pmin)
+ {
+ *p = *(p - 1);
+ p--;
+ }
+ *pmin = SLang_Last_Key_Char;
+
+ This_RLI->len++;
+ This_RLI->point++;
+ if ((This_RLI->curs_pos + 2 >= This_RLI->edit_width)
+ || (This_RLI->tt_insert == NULL)
+ || (Char_Widths[SLang_Last_Key_Char] != 1)) return 1;
+
+ (*This_RLI->tt_insert)((char) SLang_Last_Key_Char);
+ /* update screen buf */
+ p = This_RLI->old_upd + (This_RLI->len - 1);
+ pmin = This_RLI->old_upd + (This_RLI->point - 1);
+ while (p > pmin)
+ {
+ *p = *(p - 1);
+ p--;
+ }
+ *pmin = SLang_Last_Key_Char;
+ return 0;
+}
+
+int SLang_rline_insert (char *s)
+{
+ unsigned char *pmin, *p;
+ int n;
+
+ n = strlen (s);
+ if (n > This_RLI->buf_len - This_RLI->len)
+ n = This_RLI->buf_len - This_RLI->len;
+
+ if (n == 0) return 0;
+
+ pmin = This_RLI->buf + This_RLI->point;
+ p = This_RLI->buf + (This_RLI->len - 1);
+
+ while (p >= pmin)
+ {
+ *(p + n) = *p;
+ p--;
+ }
+ SLMEMCPY ((char *) pmin, s, n);
+
+ This_RLI->len += n;
+ This_RLI->point += n;
+ return n;
+}
+
+static int rl_deln (int n)
+{
+ unsigned char *pmax, *p;
+
+ p = This_RLI->buf + This_RLI->point;
+ pmax = This_RLI->buf + This_RLI->len;
+
+ if (p + n > pmax) n = (int) (pmax - p);
+ while (p < pmax)
+ {
+ *p = *(p + n);
+ p++;
+ }
+ This_RLI->len -= n;
+ return n;
+}
+
+static int rl_del (void)
+{
+ return rl_deln(1);
+}
+
+static int rl_quote_insert (void)
+{
+ int err = SLang_Error;
+ SLang_Error = 0;
+ SLang_Last_Key_Char = (*This_RLI->getkey)();
+ rl_self_insert ();
+ if (SLang_Error == SL_USER_BREAK) SLang_Error = 0;
+ else SLang_Error = err;
+ return 1;
+}
+
+static int rl_trim (void)
+{
+ unsigned char *p, *pmax, *p1;
+ p = This_RLI->buf + This_RLI->point;
+ pmax = This_RLI->buf + This_RLI->len;
+
+ if (p == pmax)
+ {
+ if (p == This_RLI->buf) return 0;
+ p--;
+ }
+
+ if ((*p != ' ') && (*p != '\t')) return 0;
+ p1 = p;
+ while ((p1 < pmax) && ((*p1 == ' ') || (*p1 == '\t'))) p1++;
+ pmax = p1;
+ p1 = This_RLI->buf;
+
+ while ((p >= p1) && ((*p == ' ') || (*p == '\t'))) p--;
+ if (p == pmax) return 0;
+ p++;
+
+ This_RLI->point = (int) (p - p1);
+ return rl_deln ((int) (pmax - p));
+}
+
+static int rl_bdel (void)
+{
+ if (rl_left()) return rl_del();
+ return 0;
+}
+
+static int rl_deleol (void)
+{
+ if (This_RLI->point == This_RLI->len) return 0;
+ *(This_RLI->buf + This_RLI->point) = 0;
+ This_RLI->len = This_RLI->point;
+ return 1;
+}
+
+static int rl_delete_line (void)
+{
+ This_RLI->point = 0;
+ *(This_RLI->buf + This_RLI->point) = 0;
+ This_RLI->len = 0;
+ return 1;
+}
+
+static int rl_enter (void)
+{
+ *(This_RLI->buf + This_RLI->len) = 0;
+ SLang_Rline_Quit = 1;
+ return 1;
+}
+
+static SLKeyMap_List_Type *RL_Keymap;
+
+/* This update is designed for dumb terminals. It assumes only that the
+ * terminal can backspace via ^H, and move cursor to start of line via ^M.
+ * There is a hook so the user can provide a more sophisticated update if
+ * necessary.
+ */
+
+static void position_cursor (int col)
+{
+ unsigned char *p, *pmax;
+ int dc;
+
+ if (col == This_RLI->curs_pos)
+ {
+ fflush (stdout);
+ return;
+ }
+
+ if (This_RLI->tt_goto_column != NULL)
+ {
+ (*This_RLI->tt_goto_column)(col);
+ This_RLI->curs_pos = col;
+ fflush (stdout);
+ return;
+ }
+
+ dc = This_RLI->curs_pos - col;
+ if (dc < 0)
+ {
+ p = This_RLI->new_upd + This_RLI->curs_pos;
+ pmax = This_RLI->new_upd + col;
+ while (p < pmax) putc((char) *p++, stdout);
+ }
+ else
+ {
+ if (dc < col)
+ {
+ while (dc--) putc(8, stdout);
+ }
+ else
+ {
+ putc('\r', stdout);
+ p = This_RLI->new_upd;
+ pmax = This_RLI->new_upd + col;
+ while (p < pmax) putc((char) *p++, stdout);
+ }
+ }
+ This_RLI->curs_pos = col;
+ fflush (stdout);
+}
+
+static void erase_eol (SLang_RLine_Info_Type *rli)
+{
+ unsigned char *p, *pmax;
+
+ p = rli->old_upd + rli->curs_pos;
+ pmax = rli->old_upd + rli->old_upd_len;
+
+ while (p++ < pmax) putc(' ', stdout);
+
+ rli->curs_pos = rli->old_upd_len;
+}
+
+static unsigned char *spit_out(SLang_RLine_Info_Type *rli, unsigned char *p)
+{
+ unsigned char *pmax;
+ position_cursor ((int) (p - rli->new_upd));
+ pmax = rli->new_upd + rli->new_upd_len;
+ while (p < pmax) putc((char) *p++, stdout);
+ rli->curs_pos = rli->new_upd_len;
+ return pmax;
+}
+
+static void really_update (SLang_RLine_Info_Type *rli, int new_curs_position)
+{
+ unsigned char *b = rli->old_upd, *p = rli->new_upd, chb, chp;
+ unsigned char *pmax;
+
+ if (rli->update_hook != NULL)
+ {
+ (*rli->update_hook)(p, rli->edit_width, new_curs_position);
+ }
+ else
+ {
+ pmax = p + rli->edit_width;
+ while (p < pmax)
+ {
+ chb = *b++; chp = *p++;
+ if (chb == chp) continue;
+
+ if (rli->old_upd_len <= rli->new_upd_len)
+ {
+ /* easy one */
+ (void) spit_out (rli, p - 1);
+ break;
+ }
+ spit_out(rli, p - 1);
+ erase_eol (rli);
+ break;
+ }
+ position_cursor (new_curs_position);
+ }
+
+ /* update finished, so swap */
+
+ rli->old_upd_len = rli->new_upd_len;
+ p = rli->old_upd;
+ rli->old_upd = rli->new_upd;
+ rli->new_upd = p;
+}
+
+static void RLupdate (SLang_RLine_Info_Type *rli)
+{
+ int len, dlen, start_len = 0, prompt_len = 0, tw = 0, count;
+ int want_cursor_pos;
+ unsigned char *b, chb, *b_point, *p;
+ int no_echo;
+
+ no_echo = rli->flags & SL_RLINE_NO_ECHO;
+
+ b_point = (unsigned char *) (rli->buf + rli->point);
+ *(rli->buf + rli->len) = 0;
+
+ /* expand characters for output buffer --- handle prompt first.
+ * Do two passes --- first to find out where to begin upon horiz
+ * scroll and the second to actually fill the buffer. */
+ len = 0;
+ count = 2; /* once for prompt and once for buf */
+
+ b = (unsigned char *) rli->prompt;
+ while (count--)
+ {
+ if ((count == 0) && no_echo)
+ break;
+
+ /* The prompt could be NULL */
+ if (b != NULL) while ((chb = *b) != 0)
+ {
+ /* This will ensure that the screen is scrolled a third of the edit
+ * width each time */
+ if (b_point == b) break;
+ dlen = Char_Widths[chb];
+ if ((chb == '\t') && tw)
+ {
+ dlen = tw * ((len - prompt_len) / tw + 1) - (len - prompt_len);
+ }
+ len += dlen;
+ b++;
+ }
+ tw = rli->tab;
+ b = (unsigned char *) rli->buf;
+ if (count == 1) want_cursor_pos = prompt_len = len;
+ }
+
+ if (len < rli->edit_width - rli->dhscroll) start_len = 0;
+ else if ((rli->start_column > len)
+ || (rli->start_column + rli->edit_width <= len))
+ {
+ start_len = len - (rli->edit_width - rli->dhscroll);
+ if (start_len < 0) start_len = 0;
+ }
+ else start_len = rli->start_column;
+ rli->start_column = start_len;
+
+ want_cursor_pos = len - start_len;
+
+ /* second pass */
+ p = rli->new_upd;
+
+ len = 0;
+ count = 2;
+ b = (unsigned char *) rli->prompt;
+ if (b == NULL) b = (unsigned char *) "";
+
+ while ((len < start_len) && (*b))
+ {
+ len += Char_Widths[*b++];
+ }
+
+ tw = 0;
+ if (*b == 0)
+ {
+ b = (unsigned char *) rli->buf;
+ while (len < start_len)
+ {
+ len += Char_Widths[*b++];
+ }
+ tw = rli->tab;
+ count--;
+ }
+
+ len = 0;
+ while (count--)
+ {
+ if ((count == 0) && (no_echo))
+ break;
+
+ while ((len < rli->edit_width) && ((chb = *b++) != 0))
+ {
+ dlen = Char_Widths[chb];
+ if (dlen == 1) *p++ = chb;
+ else
+ {
+ if ((chb == '\t') && tw)
+ {
+ dlen = tw * ((len + start_len - prompt_len) / tw + 1) - (len + start_len - prompt_len);
+ len += dlen; /* ok since dlen comes out 0 */
+ if (len > rli->edit_width) dlen = len - rli->edit_width;
+ while (dlen--) *p++ = ' ';
+ dlen = 0;
+ }
+ else
+ {
+ if (dlen == 3)
+ {
+ chb &= 0x7F;
+ *p++ = '~';
+ }
+
+ *p++ = '^';
+ if (chb == 127) *p++ = '?';
+ else *p++ = chb + '@';
+ }
+ }
+ len += dlen;
+ }
+ /* if (start_len > prompt_len) break; */
+ tw = rli->tab;
+ b = (unsigned char *) rli->buf;
+ }
+
+ rli->new_upd_len = (int) (p - rli->new_upd);
+ while (p < rli->new_upd + rli->edit_width) *p++ = ' ';
+ really_update (rli, want_cursor_pos);
+}
+
+void SLrline_redraw (SLang_RLine_Info_Type *rli)
+{
+ unsigned char *p = rli->new_upd;
+ unsigned char *pmax = p + rli->edit_width;
+ while (p < pmax) *p++ = ' ';
+ rli->new_upd_len = rli->edit_width;
+ really_update (rli, 0);
+ RLupdate (rli);
+}
+
+static int rl_eof_insert (void)
+{
+ if (This_RLI->len == 0)
+ {
+ SLang_Last_Key_Char = SLang_RL_EOF_Char;
+ /* rl_self_insert (); */
+ return rl_enter ();
+ }
+ return 0;
+}
+
+/* This is very naive. It knows very little about nesting and nothing
+ * about quoting.
+ */
+static void blink_match (SLang_RLine_Info_Type *rli)
+{
+ unsigned char bra, ket;
+ unsigned int delta_column;
+ unsigned char *p, *pmin;
+ int dq_level, sq_level;
+ int level;
+
+ pmin = rli->buf;
+ p = pmin + rli->point;
+ if (pmin == p)
+ return;
+
+ ket = SLang_Last_Key_Char;
+ switch (ket)
+ {
+ case ')':
+ bra = '(';
+ break;
+ case ']':
+ bra = '[';
+ break;
+ case '}':
+ bra = '{';
+ break;
+ default:
+ return;
+ }
+
+ level = 0;
+ sq_level = dq_level = 0;
+
+ delta_column = 0;
+ while (p > pmin)
+ {
+ char ch;
+
+ p--;
+ delta_column++;
+ ch = *p;
+
+ if (ch == ket)
+ {
+ if ((dq_level == 0) && (sq_level == 0))
+ level++;
+ }
+ else if (ch == bra)
+ {
+ if ((dq_level != 0) || (sq_level != 0))
+ continue;
+
+ level--;
+ if (level == 0)
+ {
+ rli->point -= delta_column;
+ RLupdate (rli);
+ (*rli->input_pending)(10);
+ rli->point += delta_column;
+ RLupdate (rli);
+ break;
+ }
+ if (level < 0)
+ break;
+ }
+ else if (ch == '"') dq_level = !dq_level;
+ else if (ch == '\'') sq_level = !sq_level;
+ }
+}
+
+int SLang_read_line (SLang_RLine_Info_Type *rli)
+{
+ unsigned char *p, *pmax;
+ SLang_Key_Type *key;
+
+ SLang_Rline_Quit = 0;
+ This_RLI = rli;
+ p = rli->old_upd; pmax = p + rli->edit_width;
+ while (p < pmax) *p++ = ' ';
+
+ /* Sanity checking */
+ rli->len = strlen ((char *) rli->buf);
+ if (rli->len >= rli->buf_len)
+ {
+ rli->len = 0;
+ *rli->buf = 0;
+ }
+ if (rli->point > rli->len) rli->point = rli->len;
+ if (rli->point < 0) rli->point = 0;
+
+ rli->curs_pos = rli->start_column = 0;
+ rli->new_upd_len = rli->old_upd_len = 0;
+
+ This_RLI->last_fun = NULL;
+ if (rli->update_hook == NULL)
+ putc ('\r', stdout);
+
+ RLupdate (rli);
+
+ while (1)
+ {
+ key = SLang_do_key (RL_Keymap, (int (*)(void)) rli->getkey);
+
+ if ((key == NULL) || (key->f.f == NULL))
+ rl_beep ();
+ else
+ {
+ if ((SLang_Last_Key_Char == SLang_RL_EOF_Char)
+ && (*key->str == 2)
+ && (This_RLI->len == 0))
+ rl_eof_insert ();
+ else if (key->type == SLKEY_F_INTRINSIC)
+ {
+ if ((key->f.f)())
+ RLupdate (rli);
+
+ if ((rli->flags & SL_RLINE_BLINK_MATCH)
+ && (rli->input_pending != NULL))
+ blink_match (rli);
+ }
+
+ if (SLang_Rline_Quit)
+ {
+ This_RLI->buf[This_RLI->len] = 0;
+ if (SLang_Error == SL_USER_BREAK)
+ {
+ SLang_Error = 0;
+ return -1;
+ }
+ return This_RLI->len;
+ }
+ }
+ if (key != NULL)
+ This_RLI->last_fun = key->f.f;
+ }
+}
+
+static int rl_abort (void)
+{
+ rl_delete_line ();
+ return rl_enter ();
+}
+
+/* TTY interface --- ANSI */
+
+static void ansi_goto_column (int n)
+{
+ putc('\r', stdout);
+ if (n) fprintf(stdout, "\033[%dC", n);
+}
+
+static void rl_select_line (SLang_Read_Line_Type *p)
+{
+ This_RLI->last = p;
+ strcpy ((char *) This_RLI->buf, (char *) p->buf);
+ This_RLI->point = This_RLI->len = strlen((char *) p->buf);
+}
+static int rl_next_line (void);
+static int rl_prev_line (void)
+{
+ SLang_Read_Line_Type *prev;
+
+ if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line)
+ && (This_RLI->last_fun != (FVOID_STAR) rl_next_line))
+ || (This_RLI->last == NULL))
+ {
+ prev = This_RLI->tail;
+ }
+ else prev = This_RLI->last->prev;
+
+ if (prev == NULL)
+ {
+ rl_beep ();
+ return 0;
+ }
+
+ rl_select_line (prev);
+ return 1;
+}
+static int rl_redraw (void)
+{
+ SLrline_redraw (This_RLI);
+ return 1;
+}
+
+static int rl_next_line (void)
+{
+ SLang_Read_Line_Type *next;
+
+ if (((This_RLI->last_fun != (FVOID_STAR) rl_prev_line)
+ && (This_RLI->last_fun != (FVOID_STAR) rl_next_line))
+ || (This_RLI->last == NULL))
+ {
+ rl_beep ();
+ return 0;
+ }
+
+ next = This_RLI->last->next;
+
+ if (next == NULL)
+ {
+ This_RLI->len = This_RLI->point = 0;
+ *This_RLI->buf = 0;
+ This_RLI->last = NULL;
+ }
+ else rl_select_line (next);
+ return 1;
+}
+
+static SLKeymap_Function_Type SLReadLine_Functions[] =
+{
+ {"up", rl_prev_line},
+ {"down", rl_next_line},
+ {"bol", rl_bol},
+ {"eol", rl_eol},
+ {"right", rl_right},
+ {"left", rl_left},
+ {"self_insert", rl_self_insert},
+ {"bdel", rl_bdel},
+ {"del", rl_del},
+ {"deleol", rl_deleol},
+ {"enter", rl_enter},
+ {"trim", rl_trim},
+ {"quoted_insert", rl_quote_insert},
+ {(char *) NULL, NULL}
+};
+
+int SLang_init_readline (SLang_RLine_Info_Type *rli)
+{
+ int ch;
+ char simple[2];
+
+ if (RL_Keymap == NULL)
+ {
+ simple[1] = 0;
+ if (NULL == (RL_Keymap = SLang_create_keymap ("ReadLine", NULL)))
+ return -1;
+
+ RL_Keymap->functions = SLReadLine_Functions;
+
+ /* This breaks under some DEC ALPHA compilers (scary!) */
+#ifndef __DECC
+ for (ch = ' '; ch < 256; ch++)
+ {
+ simple[0] = (char) ch;
+ SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap);
+ }
+#else
+ ch = ' ';
+ while (1)
+ {
+ simple[0] = (char) ch;
+ SLkm_define_key (simple, (FVOID_STAR) rl_self_insert, RL_Keymap);
+ ch = ch + 1;
+ if (ch == 256) break;
+ }
+#endif /* NOT __DECC */
+
+ simple[0] = SLang_Abort_Char;
+ SLkm_define_key (simple, (FVOID_STAR) rl_abort, RL_Keymap);
+ simple[0] = SLang_RL_EOF_Char;
+ SLkm_define_key (simple, (FVOID_STAR) rl_eof_insert, RL_Keymap);
+
+#ifndef IBMPC_SYSTEM
+ SLkm_define_key ("^[[A", (FVOID_STAR) rl_prev_line, RL_Keymap);
+ SLkm_define_key ("^[[B", (FVOID_STAR) rl_next_line, RL_Keymap);
+ SLkm_define_key ("^[[C", (FVOID_STAR) rl_right, RL_Keymap);
+ SLkm_define_key ("^[[D", (FVOID_STAR) rl_left, RL_Keymap);
+ SLkm_define_key ("^[OA", (FVOID_STAR) rl_prev_line, RL_Keymap);
+ SLkm_define_key ("^[OB", (FVOID_STAR) rl_next_line, RL_Keymap);
+ SLkm_define_key ("^[OC", (FVOID_STAR) rl_right, RL_Keymap);
+ SLkm_define_key ("^[OD", (FVOID_STAR) rl_left, RL_Keymap);
+#else
+ SLkm_define_key ("^@H", (FVOID_STAR) rl_prev_line, RL_Keymap);
+ SLkm_define_key ("^@P", (FVOID_STAR) rl_next_line, RL_Keymap);
+ SLkm_define_key ("^@M", (FVOID_STAR) rl_right, RL_Keymap);
+ SLkm_define_key ("^@K", (FVOID_STAR) rl_left, RL_Keymap);
+ SLkm_define_key ("^@S", (FVOID_STAR) rl_del, RL_Keymap);
+ SLkm_define_key ("^@O", (FVOID_STAR) rl_eol, RL_Keymap);
+ SLkm_define_key ("^@G", (FVOID_STAR) rl_bol, RL_Keymap);
+
+ SLkm_define_key ("\xE0H", (FVOID_STAR) rl_prev_line, RL_Keymap);
+ SLkm_define_key ("\xE0P", (FVOID_STAR) rl_next_line, RL_Keymap);
+ SLkm_define_key ("\xE0M", (FVOID_STAR) rl_right, RL_Keymap);
+ SLkm_define_key ("\xE0K", (FVOID_STAR) rl_left, RL_Keymap);
+ SLkm_define_key ("\xE0S", (FVOID_STAR) rl_del, RL_Keymap);
+ SLkm_define_key ("\xE0O", (FVOID_STAR) rl_eol, RL_Keymap);
+ SLkm_define_key ("\xE0G", (FVOID_STAR) rl_bol, RL_Keymap);
+#endif
+ SLkm_define_key ("^C", (FVOID_STAR) rl_abort, RL_Keymap);
+ SLkm_define_key ("^E", (FVOID_STAR) rl_eol, RL_Keymap);
+ SLkm_define_key ("^G", (FVOID_STAR) rl_abort, RL_Keymap);
+ SLkm_define_key ("^I", (FVOID_STAR) rl_self_insert, RL_Keymap);
+ SLkm_define_key ("^A", (FVOID_STAR) rl_bol, RL_Keymap);
+ SLkm_define_key ("\r", (FVOID_STAR) rl_enter, RL_Keymap);
+ SLkm_define_key ("\n", (FVOID_STAR) rl_enter, RL_Keymap);
+ SLkm_define_key ("^K", (FVOID_STAR) rl_deleol, RL_Keymap);
+ SLkm_define_key ("^L", (FVOID_STAR) rl_deleol, RL_Keymap);
+ SLkm_define_key ("^V", (FVOID_STAR) rl_del, RL_Keymap);
+ SLkm_define_key ("^D", (FVOID_STAR) rl_del, RL_Keymap);
+ SLkm_define_key ("^F", (FVOID_STAR) rl_right, RL_Keymap);
+ SLkm_define_key ("^B", (FVOID_STAR) rl_left, RL_Keymap);
+ SLkm_define_key ("^?", (FVOID_STAR) rl_bdel, RL_Keymap);
+ SLkm_define_key ("^H", (FVOID_STAR) rl_bdel, RL_Keymap);
+ SLkm_define_key ("^P", (FVOID_STAR) rl_prev_line, RL_Keymap);
+ SLkm_define_key ("^N", (FVOID_STAR) rl_next_line, RL_Keymap);
+ SLkm_define_key ("^R", (FVOID_STAR) rl_redraw, RL_Keymap);
+ SLkm_define_key ("`", (FVOID_STAR) rl_quote_insert, RL_Keymap);
+ SLkm_define_key ("\033\\", (FVOID_STAR) rl_trim, RL_Keymap);
+ if (SLang_Error) return -1;
+ }
+
+ if (rli->prompt == NULL) rli->prompt = "";
+ if (rli->keymap == NULL) rli->keymap = RL_Keymap;
+ rli->old_upd = rli->upd_buf1;
+ rli->new_upd = rli->upd_buf2;
+ *rli->buf = 0;
+ rli->point = 0;
+
+ if (rli->flags & SL_RLINE_USE_ANSI)
+ {
+ if (rli->tt_goto_column == NULL) rli->tt_goto_column = ansi_goto_column;
+ }
+
+ if (Char_Widths[0] == 2) return 0;
+
+ for (ch = 0; ch < 32; ch++) Char_Widths[ch] = 2;
+ for (ch = 32; ch < 256; ch++) Char_Widths[ch] = 1;
+ Char_Widths[127] = 2;
+#ifndef IBMPC_SYSTEM
+ for (ch = 128; ch < 160; ch++) Char_Widths[ch] = 3;
+#endif
+
+ return 0;
+}
+
+SLang_Read_Line_Type *SLang_rline_save_line (SLang_RLine_Info_Type *rli)
+{
+ SLang_Read_Line_Type *rl = NULL;
+ unsigned char *buf;
+
+ if ((rli == NULL) || (rli->buf == NULL))
+ return NULL;
+
+ if (NULL == (rl = (SLang_Read_Line_Type *) SLmalloc (sizeof (SLang_Read_Line_Type)))
+ || (NULL == (buf = (unsigned char *) SLmake_string ((char *)rli->buf))))
+ {
+ SLfree ((char *)rl);
+ return NULL;
+ }
+ rl->buf = buf;
+ rl->buf_len = strlen ((char *)buf);
+ rl->num = rl->misc = 0;
+ rl->next = rl->prev = NULL;
+
+ if (rli->tail != NULL)
+ {
+ rli->tail->next = rl;
+ rl->prev = rli->tail;
+ }
+ rli->tail = rl;
+
+ return rl;
+}
generated by cgit v1.2.1 (git 2.21.0) at 2024-11-12 08:57:05 +0000