diff options
| -rw-r--r-- | html.c | 9 | ||||
| -rw-r--r-- | mandoc.c | 10 | ||||
| -rw-r--r-- | mandoc.h | 3 | ||||
| -rw-r--r-- | mandoc_escape.3 | 11 | ||||
| -rw-r--r-- | roff.7 | 9 | ||||
| -rw-r--r-- | term.c | 27 |
6 files changed, 53 insertions, 16 deletions
@@ -1,7 +1,7 @@ /* $Id$ */ /* * Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2011-2015 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -307,6 +307,8 @@ html_strlen(const char *cp) case ESCAPE_NUMBERED: /* FALLTHROUGH */ case ESCAPE_SPECIAL: + /* FALLTHROUGH */ + case ESCAPE_OVERSTRIKE: if (skip) skip = 0; else @@ -433,6 +435,11 @@ print_encode(struct html *h, const char *p, int norecurse) if ('\0' == *p) nospace = 1; continue; + case ESCAPE_OVERSTRIKE: + if (len == 0) + continue; + c = seq[len - 1]; + break; default: continue; } @@ -156,16 +156,18 @@ mandoc_escape(const char **end, const char **start, int *sz) /* FALLTHROUGH */ case 'D': /* FALLTHROUGH */ - case 'o': - /* FALLTHROUGH */ case 'R': /* FALLTHROUGH */ case 'X': /* FALLTHROUGH */ case 'Z': - if ('\0' == **start) - return(ESCAPE_ERROR); gly = ESCAPE_IGNORE; + /* FALLTHROUGH */ + case 'o': + if (**start == '\0') + return(ESCAPE_ERROR); + if (gly == ESCAPE_ERROR) + gly = ESCAPE_OVERSTRIKE; term = **start; *start = ++*end; break; @@ -399,7 +399,8 @@ enum mandoc_esc { ESCAPE_NUMBERED, /* a numbered glyph */ ESCAPE_UNICODE, /* a unicode codepoint */ ESCAPE_NOSPACE, /* suppress space if the last on a line */ - ESCAPE_SKIPCHAR /* skip the next character */ + ESCAPE_SKIPCHAR, /* skip the next character */ + ESCAPE_OVERSTRIKE /* overstrike all chars in the argument */ }; typedef void (*mandocmsg)(enum mandocerr, enum mandoclevel, diff --git a/mandoc_escape.3 b/mandoc_escape.3 index 332b94fe..2fe2ccab 100644 --- a/mandoc_escape.3 +++ b/mandoc_escape.3 @@ -20,8 +20,6 @@ .Sh NAME .Nm mandoc_escape .Nd parse roff escape sequences -.Sh LIBRARY -.Lb libmandoc .Sh SYNOPSIS .In sys/types.h .In mandoc.h @@ -119,8 +117,8 @@ in turn contain other escape sequences, for error detection internally by the .Xr roff 7 parser part of the -.Lb libmandoc , -see the file +.Xr mandoc 3 +library, see the file .Pa roff.c , .It above all externally by the @@ -256,6 +254,10 @@ Such ASCII character escape sequences can be rendered using the function described in the .Xr mchars_alloc 3 manual. +.It Dv ESCAPE_OVERSTRIKE +The escape sequence +.Ic \eo +followed by an argument delimited by an arbitrary character. .It Dv ESCAPE_IGNORE .Bl -bullet -width 2n .It @@ -288,7 +290,6 @@ The escape sequences .Ic \eA , .Ic \eb , .Ic \eD , -.Ic \eo , .Ic \eR , .Ic \eX , and @@ -1948,10 +1948,11 @@ For short names, there are variants and .No \en( Ns Ar cc . .Ss \eo\(aq Ns Ar string Ns \(aq -Overstrike -.Ar string ; -ignored by -.Xr mandoc 1 . +Overstrike, that is, write all the characters contained in the +.Ar string +to the same output position. +In terminal and HTML output modes, +only the last one of the characters is visible. .Ss \eR\(aq Ns Ar name Oo +|- Oc Ns Ar number Ns \(aq Set number register; ignored by .Xr mandoc 1 . @@ -1,7 +1,7 @@ /* $Id$ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> - * Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> + * Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org> * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -495,6 +495,17 @@ term_word(struct termp *p, const char *word) case ESCAPE_SKIPCHAR: p->flags |= TERMP_SKIPCHAR; continue; + case ESCAPE_OVERSTRIKE: + cp = seq + sz; + while (seq < cp) { + if (*seq == '\\') { + mandoc_escape(&seq, NULL, NULL); + continue; + } + encode1(p, *seq++); + if (seq < cp) + encode(p, "\b", 1); + } default: continue; } @@ -716,6 +727,20 @@ term_strlen(const struct termp *p, const char *cp) case ESCAPE_SKIPCHAR: skip = 1; continue; + case ESCAPE_OVERSTRIKE: + rsz = 0; + rhs = seq + ssz; + while (seq < rhs) { + if (*seq == '\\') { + mandoc_escape(&seq, NULL, NULL); + continue; + } + i = (*p->width)(p, *seq++); + if (rsz < i) + rsz = i; + } + sz += rsz; + continue; default: continue; } |