diff options
Diffstat (limited to 'ncurses-5.3/ncurses/tinfo/lib_tputs.c')
| -rw-r--r-- | ncurses-5.3/ncurses/tinfo/lib_tputs.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/ncurses-5.3/ncurses/tinfo/lib_tputs.c b/ncurses-5.3/ncurses/tinfo/lib_tputs.c new file mode 100644 index 0000000..cbb5338 --- /dev/null +++ b/ncurses-5.3/ncurses/tinfo/lib_tputs.c @@ -0,0 +1,259 @@ +/**************************************************************************** + * Copyright (c) 1998-2001,2002 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/**************************************************************************** + * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * + * and: Eric S. Raymond <esr@snark.thyrsus.com> * + ****************************************************************************/ + +/* + * tputs.c + * delay_output() + * _nc_outch() + * tputs() + * + */ + +#include <curses.priv.h> +#include <ctype.h> +#include <term.h> /* padding_baud_rate, xon_xoff */ +#include <termcap.h> /* ospeed */ +#include <tic.h> + +MODULE_ID("$Id$") + +NCURSES_EXPORT_VAR(char) PC = 0; /* used by termcap library */ +NCURSES_EXPORT_VAR(NCURSES_OSPEED) ospeed = 0; /* used by termcap library */ + +NCURSES_EXPORT_VAR(int) _nc_nulls_sent = 0; /* used by 'tack' program */ + +static int (*my_outch) (int c) = _nc_outch; + +NCURSES_EXPORT(int) +delay_output(int ms) +{ + T((T_CALLED("delay_output(%d)"), ms)); + + if (no_pad_char) { + _nc_flush(); + napms(ms); + } else { + register int nullcount; + + nullcount = (ms * _nc_baudrate(ospeed)) / 10000; + for (_nc_nulls_sent += nullcount; nullcount > 0; nullcount--) + my_outch(PC); + if (my_outch == _nc_outch) + _nc_flush(); + } + + returnCode(OK); +} + +NCURSES_EXPORT(void) +_nc_flush(void) +{ + (void) fflush(NC_OUTPUT); +} + +NCURSES_EXPORT(int) +_nc_outch(int ch) +{ +#ifdef TRACE + _nc_outchars++; +#endif /* TRACE */ + + if (SP != 0 + && SP->_cleanup) { + char tmp = ch; + /* + * POSIX says write() is safe in a signal handler, but the + * buffered I/O is not. + */ + write(fileno(NC_OUTPUT), &tmp, 1); + } else { + putc(ch, NC_OUTPUT); + } + return OK; +} + +NCURSES_EXPORT(int) +putp(const char *string) +{ + return tputs(string, 1, _nc_outch); +} + +NCURSES_EXPORT(int) +tputs(const char *string, int affcnt, int (*outc) (int)) +{ + bool always_delay; + bool normal_delay; + int number; +#if BSD_TPUTS + int trailpad; +#endif /* BSD_TPUTS */ + +#ifdef TRACE + char addrbuf[32]; + + if (_nc_tracing & TRACE_TPUTS) { + if (outc == _nc_outch) + (void) strcpy(addrbuf, "_nc_outch"); + else + (void) sprintf(addrbuf, "%p", outc); + if (_nc_tputs_trace) { + _tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace, + _nc_visbuf(string), affcnt, addrbuf); + } else { + _tracef("tputs(%s, %d, %s) called", _nc_visbuf(string), affcnt, addrbuf); + } + _nc_tputs_trace = (char *) NULL; + } +#endif /* TRACE */ + + if (!VALID_STRING(string)) + return ERR; + + if (cur_term == 0) { + always_delay = FALSE; + normal_delay = TRUE; + } else { + always_delay = (string == bell) || (string == flash_screen); + normal_delay = + !xon_xoff + && padding_baud_rate +#if NCURSES_NO_PADDING + && (SP == 0 || !(SP->_no_padding)) +#endif + && (_nc_baudrate(ospeed) >= padding_baud_rate); + } + +#if BSD_TPUTS + /* + * This ugly kluge deals with the fact that some ancient BSD programs + * (like nethack) actually do the likes of tputs("50") to get delays. + */ + trailpad = 0; + if (isdigit(UChar(*string))) { + while (isdigit(UChar(*string))) { + trailpad = trailpad * 10 + (*string - '0'); + string++; + } + trailpad *= 10; + if (*string == '.') { + string++; + if (isdigit(UChar(*string))) { + trailpad += (*string - '0'); + string++; + } + while (isdigit(UChar(*string))) + string++; + } + + if (*string == '*') { + trailpad *= affcnt; + string++; + } + } +#endif /* BSD_TPUTS */ + + my_outch = outc; /* redirect delay_output() */ + while (*string) { + if (*string != '$') + (*outc) (*string); + else { + string++; + if (*string != '<') { + (*outc) ('$'); + if (*string) + (*outc) (*string); + } else { + bool mandatory; + + string++; + if ((!isdigit(UChar(*string)) && *string != '.') + || !strchr(string, '>')) { + (*outc) ('$'); + (*outc) ('<'); + continue; + } + + number = 0; + while (isdigit(UChar(*string))) { + number = number * 10 + (*string - '0'); + string++; + } + number *= 10; + if (*string == '.') { + string++; + if (isdigit(UChar(*string))) { + number += (*string - '0'); + string++; + } + while (isdigit(UChar(*string))) + string++; + } + + mandatory = FALSE; + while (*string == '*' || *string == '/') { + if (*string == '*') { + number *= affcnt; + string++; + } else { /* if (*string == '/') */ + mandatory = TRUE; + string++; + } + } + + if (number > 0 + && (always_delay + || normal_delay + || mandatory)) + delay_output(number / 10); + + } /* endelse (*string == '<') */ + } /* endelse (*string == '$') */ + + if (*string == '\0') + break; + + string++; + } + +#if BSD_TPUTS + /* + * Emit any BSD-style prefix padding that we've accumulated now. + */ + if (trailpad > 0 + && (always_delay || normal_delay)) + delay_output(trailpad / 10); +#endif /* BSD_TPUTS */ + + my_outch = _nc_outch; + return OK; +} |