diff options
| -rw-r--r-- | roff.7 | 9 | ||||
| -rw-r--r-- | term.c | 70 | ||||
| -rw-r--r-- | term.h | 17 |
3 files changed, 39 insertions, 57 deletions
@@ -1,4 +1,4 @@ -.\" $Id: roff.7,v 1.70 2015/02/17 17:16:52 schwarze Exp $ +.\" $Id: roff.7,v 1.71 2015/04/29 18:35:00 schwarze Exp $ .\" .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> .\" Copyright (c) 2010, 2011, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> @@ -15,7 +15,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: February 17 2015 $ +.Dd $Mdocdate: April 29 2015 $ .Dt ROFF 7 .Os .Sh NAME @@ -2028,10 +2028,7 @@ Print with zero width and height; ignored by .Xr mandoc 1 . .Ss \ez -Output the next character without advancing the cursor position; -approximated in -.Xr mandoc 1 -by simply skipping the next character. +Output the next character without advancing the cursor position. .Sh COMPATIBILITY The .Xr mandoc 1 @@ -1,4 +1,4 @@ -/* $Id: term.c,v 1.247 2015/04/04 17:47:18 schwarze Exp $ */ +/* $Id: term.c,v 1.248 2015/04/29 18:35:00 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> @@ -265,6 +265,7 @@ term_flushln(struct termp *p) p->col = 0; p->overstep = 0; + p->flags &= ~(TERMP_BACKAFTER | TERMP_BACKBEFORE); if ( ! (TERMP_NOBREAK & p->flags)) { p->viscol = 0; @@ -417,11 +418,6 @@ term_word(struct termp *p, const char *word) while ('\0' != *word) { if ('\\' != *word) { - if (TERMP_SKIPCHAR & p->flags) { - p->flags &= ~TERMP_SKIPCHAR; - word++; - continue; - } if (TERMP_NBRWORD & p->flags) { if (' ' == *word) { encode(p, nbrsp, 1); @@ -480,13 +476,13 @@ term_word(struct termp *p, const char *word) term_fontlast(p); continue; case ESCAPE_NOSPACE: - if (TERMP_SKIPCHAR & p->flags) - p->flags &= ~TERMP_SKIPCHAR; - else if ('\0' == *word) + if (p->flags & TERMP_BACKAFTER) + p->flags &= ~TERMP_BACKAFTER; + else if (*word == '\0') p->flags |= (TERMP_NOSPACE | TERMP_NONEWLINE); continue; case ESCAPE_SKIPCHAR: - p->flags |= TERMP_SKIPCHAR; + p->flags |= TERMP_BACKAFTER; continue; case ESCAPE_OVERSTRIKE: cp = seq + sz; @@ -496,9 +492,14 @@ term_word(struct termp *p, const char *word) continue; } encode1(p, *seq++); - if (seq < cp) - encode(p, "\b", 1); + if (seq < cp) { + if (p->flags & TERMP_BACKBEFORE) + p->flags |= TERMP_BACKAFTER; + else + p->flags |= TERMP_BACKBEFORE; + } } + continue; default: continue; } @@ -553,16 +554,16 @@ encode1(struct termp *p, int c) { enum termfont f; - if (TERMP_SKIPCHAR & p->flags) { - p->flags &= ~TERMP_SKIPCHAR; - return; - } + if (p->col + 7 >= p->maxcols) + adjbuf(p, p->col + 7); - if (p->col + 6 >= p->maxcols) - adjbuf(p, p->col + 6); - - f = p->fontq[p->fonti]; + f = (c == ASCII_HYPH || isgraph(c)) ? + p->fontq[p->fonti] : TERMFONT_NONE; + if (p->flags & TERMP_BACKBEFORE) { + p->buf[p->col++] = 8; + p->flags &= ~TERMP_BACKBEFORE; + } if (TERMFONT_UNDER == f || TERMFONT_BI == f) { p->buf[p->col++] = '_'; p->buf[p->col++] = 8; @@ -575,6 +576,10 @@ encode1(struct termp *p, int c) p->buf[p->col++] = 8; } p->buf[p->col++] = c; + if (p->flags & TERMP_BACKAFTER) { + p->flags |= TERMP_BACKBEFORE; + p->flags &= ~TERMP_BACKAFTER; + } } static void @@ -582,29 +587,8 @@ encode(struct termp *p, const char *word, size_t sz) { size_t i; - if (TERMP_SKIPCHAR & p->flags) { - p->flags &= ~TERMP_SKIPCHAR; - return; - } - - /* - * Encode and buffer a string of characters. If the current - * font mode is unset, buffer directly, else encode then buffer - * character by character. - */ - - if (p->fontq[p->fonti] == TERMFONT_NONE) { - if (p->col + sz >= p->maxcols) - adjbuf(p, p->col + sz); - for (i = 0; i < sz; i++) - p->buf[p->col++] = word[i]; - return; - } - - /* Pre-buffer, assuming worst-case. */ - - if (p->col + 1 + (sz * 5) >= p->maxcols) - adjbuf(p, p->col + 1 + (sz * 5)); + if (p->col + 2 + (sz * 5) >= p->maxcols) + adjbuf(p, p->col + 2 + (sz * 5)); for (i = 0; i < sz; i++) { if (ASCII_HYPH == word[i] || @@ -1,4 +1,4 @@ -/* $Id: term.h,v 1.113 2015/04/04 17:47:18 schwarze Exp $ */ +/* $Id: term.h,v 1.114 2015/04/29 18:35:00 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org> @@ -67,13 +67,14 @@ struct termp { int overstep; /* See termp_flushln(). */ int skipvsp; /* Vertical space to skip. */ int flags; -#define TERMP_SENTENCE (1 << 1) /* Space before a sentence. */ -#define TERMP_NOSPACE (1 << 2) /* No space before words. */ -#define TERMP_NONOSPACE (1 << 3) /* No space (no autounset). */ -#define TERMP_NBRWORD (1 << 4) /* Make next word nonbreaking. */ -#define TERMP_KEEP (1 << 5) /* Keep words together. */ -#define TERMP_PREKEEP (1 << 6) /* ...starting with the next one. */ -#define TERMP_SKIPCHAR (1 << 7) /* Skip the next character. */ +#define TERMP_SENTENCE (1 << 0) /* Space before a sentence. */ +#define TERMP_NOSPACE (1 << 1) /* No space before words. */ +#define TERMP_NONOSPACE (1 << 2) /* No space (no autounset). */ +#define TERMP_NBRWORD (1 << 3) /* Make next word nonbreaking. */ +#define TERMP_KEEP (1 << 4) /* Keep words together. */ +#define TERMP_PREKEEP (1 << 5) /* ...starting with the next one. */ +#define TERMP_BACKAFTER (1 << 6) /* Back up after next character. */ +#define TERMP_BACKBEFORE (1 << 7) /* Back up before next character. */ #define TERMP_NOBREAK (1 << 8) /* See term_flushln(). */ #define TERMP_BRIND (1 << 9) /* See term_flushln(). */ #define TERMP_DANGLE (1 << 10) /* See term_flushln(). */ |