/* c_gets(): * Get a string */ libedit_private int c_gets(EditLine *el, wchar_t *buf, const wchar_t *prompt) { ssize_t len; wchar_t *cp = el->el_line.buffer, ch; if (prompt) { len = (ssize_t)wcslen(prompt); (void)memcpy(cp, prompt, (size_t)len * sizeof(*cp)); cp += len; } len = 0; for (;;) { el->el_line.cursor = cp; *cp = ' '; el->el_line.lastchar = cp + 1; re_refresh(el); if (el_wgetc(el, &ch) != 1) { ed_end_of_file(el, 0); len = -1; break; } switch (ch) { case L'\b': /* Delete and backspace */ case 0177: if (len == 0) { len = -1; break; } len--; cp--; continue; case 0033: /* ESC */ case L'\r': /* Newline */ case L'\n': buf[len] = ch; break; default: if (len >= (ssize_t)(EL_BUFSIZ - 16)) terminal_beep(el); else { buf[len++] = ch; *cp++ = ch; } continue; } break; } el->el_line.buffer[0] = '\0'; el->el_line.lastchar = el->el_line.buffer; el->el_line.cursor = el->el_line.buffer; return (int)len; }
public int el_getc(EditLine *el, char *cp) { int num_read; wchar_t wc = 0; num_read = el_wgetc (el, &wc); if (num_read > 0) *cp = (char)wc; return num_read; }
/* read_getcmd(): * Get next command from the input stream, * return 0 on success or -1 on EOF or error. * Character values > 255 are not looked up in the map, but inserted. */ static int read_getcmd(EditLine *el, el_action_t *cmdnum, wchar_t *ch) { static const wchar_t meta = (wchar_t)0x80; el_action_t cmd; int num; el->el_errno = 0; do { if ((num = el_wgetc(el, ch)) != 1) {/* if EOF or error */ el->el_errno = num == 0 ? 0 : errno; return -1; } #ifdef KANJI if ((*ch & meta)) { el->el_state.metanext = 0; cmd = CcViMap[' ']; break; } else #endif /* KANJI */ if (el->el_state.metanext) { el->el_state.metanext = 0; *ch |= meta; } if (*ch >= N_KEYS) cmd = ED_INSERT; else cmd = el->el_map.current[(unsigned char) *ch]; if (cmd == ED_SEQUENCE_LEAD_IN) { keymacro_value_t val; switch (keymacro_get(el, ch, &val)) { case XK_CMD: cmd = val.cmd; break; case XK_STR: el_wpush(el, val.str); break; default: EL_ABORT((el->el_errfile, "Bad XK_ type \n")); break; } } if (el->el_map.alt == NULL) el->el_map.current = el->el_map.key; } while (cmd == ED_SEQUENCE_LEAD_IN); *cmdnum = cmd; return 0; }
/* ed_quoted_insert(): * Add the next character typed verbatim * [^V] [^V] */ libedit_private el_action_t /*ARGSUSED*/ ed_quoted_insert(EditLine *el, wint_t c __attribute__((__unused__))) { int num; wchar_t ch; tty_quotemode(el); num = el_wgetc(el, &ch); tty_noquotemode(el); if (num == 1) return ed_insert(el, ch); else return ed_end_of_file(el, 0); }