version 1.1, 2009/02/20 11:04:23 |
version 1.239, 2014/12/23 06:16:46 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the |
* purpose with or without fee is hereby granted, provided that the above |
* above copyright notice and this permission notice appear in all |
* copyright notice and this permission notice appear in all copies. |
* copies. |
|
* |
* |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
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*/ |
*/ |
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#include "config.h" |
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#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <curses.h> |
#include <ctype.h> |
#include <err.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <term.h> |
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#include <unistd.h> |
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#include "mdoc.h" |
#include "mandoc.h" |
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#include "mandoc_aux.h" |
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#include "out.h" |
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#include "term.h" |
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#include "main.h" |
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static size_t cond_width(const struct termp *, int, int *); |
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static void adjbuf(struct termp *p, size_t); |
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static void bufferc(struct termp *, char); |
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static void encode(struct termp *, const char *, size_t); |
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static void encode1(struct termp *, int); |
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static int termprint_r(size_t, size_t, |
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const struct mdoc_node *); |
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static void termprint_head(size_t, |
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const struct mdoc_meta *); |
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static void termprint_tail(size_t, |
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const struct mdoc_meta *); |
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static char *arch2a(enum mdoc_arch); |
void |
static char *vol2a(enum mdoc_vol); |
term_free(struct termp *p) |
static char *msec2a(enum mdoc_msec); |
{ |
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static size_t ttitle2a(char *, enum mdoc_vol, enum mdoc_msec, |
free(p->buf); |
enum mdoc_arch, size_t); |
free(p->fontq); |
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free(p); |
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} |
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void |
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term_begin(struct termp *p, term_margin head, |
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term_margin foot, const void *arg) |
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{ |
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static char * |
p->headf = head; |
arch2a(enum mdoc_arch arch) |
p->footf = foot; |
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p->argf = arg; |
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(*p->begin)(p); |
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} |
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void |
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term_end(struct termp *p) |
{ |
{ |
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switch (arch) { |
(*p->end)(p); |
case (ARCH_alpha): |
} |
return("Alpha"); |
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case (ARCH_amd64): |
/* |
return("AMD64"); |
* Flush a chunk of text. By default, break the output line each time |
case (ARCH_amiga): |
* the right margin is reached, and continue output on the next line |
return("Amiga"); |
* at the same offset as the chunk itself. By default, also break the |
case (ARCH_arc): |
* output line at the end of the chunk. |
return("ARC"); |
* The following flags may be specified: |
case (ARCH_arm): |
* |
return("ARM"); |
* - TERMP_NOBREAK: Do not break the output line at the right margin, |
case (ARCH_armish): |
* but only at the max right margin. Also, do not break the output |
return("ARMISH"); |
* line at the end of the chunk, such that the next call can pad to |
case (ARCH_aviion): |
* the next column. However, if less than p->trailspace blanks, |
return("AViion"); |
* which can be 0, 1, or 2, remain to the right margin, the line |
case (ARCH_hp300): |
* will be broken. |
return("HP300"); |
* - TERMP_BRIND: If the chunk does not fit and the output line has |
case (ARCH_hppa): |
* to be broken, start the next line at the right margin instead |
return("HPPA"); |
* of at the offset. Used together with TERMP_NOBREAK for the tags |
case (ARCH_hppa64): |
* in various kinds of tagged lists. |
return("HPPA64"); |
* - TERMP_DANGLE: Do not break the output line at the right margin, |
case (ARCH_i386): |
* append the next chunk after it even if this one is too long. |
return("i386"); |
* To be used together with TERMP_NOBREAK. |
case (ARCH_landisk): |
* - TERMP_HANG: Like TERMP_DANGLE, and also suppress padding before |
return("LANDISK"); |
* the next chunk if this column is not full. |
case (ARCH_luna88k): |
*/ |
return("Luna88k"); |
void |
case (ARCH_mac68k): |
term_flushln(struct termp *p) |
return("Mac68k"); |
{ |
case (ARCH_macppc): |
size_t i; /* current input position in p->buf */ |
return("MacPPC"); |
int ntab; /* number of tabs to prepend */ |
case (ARCH_mvme68k): |
size_t vis; /* current visual position on output */ |
return("MVME68k"); |
size_t vbl; /* number of blanks to prepend to output */ |
case (ARCH_mvme88k): |
size_t vend; /* end of word visual position on output */ |
return("MVME88k"); |
size_t bp; /* visual right border position */ |
case (ARCH_mvmeppc): |
size_t dv; /* temporary for visual pos calculations */ |
return("MVMEPPC"); |
size_t j; /* temporary loop index for p->buf */ |
case (ARCH_pmax): |
size_t jhy; /* last hyph before overflow w/r/t j */ |
return("PMAX"); |
size_t maxvis; /* output position of visible boundary */ |
case (ARCH_sgi): |
size_t rmargin; /* the rightmost of the two margins */ |
return("SGI"); |
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case (ARCH_socppc): |
/* |
return("SOCPPC"); |
* First, establish the maximum columns of "visible" content. |
case (ARCH_sparc): |
* This is usually the difference between the right-margin and |
return("SPARC"); |
* an indentation, but can be, for tagged lists or columns, a |
case (ARCH_sparc64): |
* small set of values. |
return("SPARC64"); |
* |
case (ARCH_sun3): |
* The following unsigned-signed subtractions look strange, |
return("Sun3"); |
* but they are actually correct. If the int p->overstep |
case (ARCH_vax): |
* is negative, it gets sign extended. Subtracting that |
return("VAX"); |
* very large size_t effectively adds a small number to dv. |
case (ARCH_zaurus): |
*/ |
return("Zaurus"); |
rmargin = p->rmargin > p->offset ? p->rmargin : p->offset; |
default: |
dv = p->rmargin - p->offset; |
break; |
maxvis = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
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if (p->flags & TERMP_NOBREAK) { |
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dv = p->maxrmargin > p->offset ? |
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p->maxrmargin - p->offset : 0; |
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bp = (int)dv > p->overstep ? |
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dv - (size_t)p->overstep : 0; |
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} else |
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bp = maxvis; |
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/* |
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* Calculate the required amount of padding. |
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*/ |
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vbl = p->offset + p->overstep > p->viscol ? |
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p->offset + p->overstep - p->viscol : 0; |
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vis = vend = 0; |
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i = 0; |
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while (i < p->col) { |
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/* |
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* Handle literal tab characters: collapse all |
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* subsequent tabs into a single huge set of spaces. |
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*/ |
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ntab = 0; |
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while (i < p->col && '\t' == p->buf[i]) { |
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vend = (vis / p->tabwidth + 1) * p->tabwidth; |
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vbl += vend - vis; |
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vis = vend; |
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ntab++; |
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i++; |
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} |
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/* |
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* Count up visible word characters. Control sequences |
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* (starting with the CSI) aren't counted. A space |
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* generates a non-printing word, which is valid (the |
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* space is printed according to regular spacing rules). |
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*/ |
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for (j = i, jhy = 0; j < p->col; j++) { |
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if (' ' == p->buf[j] || '\t' == p->buf[j]) |
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break; |
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/* Back over the the last printed character. */ |
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if (8 == p->buf[j]) { |
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assert(j); |
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vend -= (*p->width)(p, p->buf[j - 1]); |
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continue; |
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} |
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/* Regular word. */ |
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/* Break at the hyphen point if we overrun. */ |
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if (vend > vis && vend < bp && |
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(ASCII_HYPH == p->buf[j] || |
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ASCII_BREAK == p->buf[j])) |
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jhy = j; |
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/* |
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* Hyphenation now decided, put back a real |
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* hyphen such that we get the correct width. |
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*/ |
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if (ASCII_HYPH == p->buf[j]) |
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p->buf[j] = '-'; |
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vend += (*p->width)(p, p->buf[j]); |
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} |
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/* |
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* Find out whether we would exceed the right margin. |
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* If so, break to the next line. |
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*/ |
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if (vend > bp && 0 == jhy && vis > 0) { |
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vend -= vis; |
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(*p->endline)(p); |
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p->viscol = 0; |
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if (TERMP_BRIND & p->flags) { |
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vbl = rmargin; |
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vend += rmargin - p->offset; |
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} else |
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vbl = p->offset; |
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/* use pending tabs on the new line */ |
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if (0 < ntab) |
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vbl += ntab * p->tabwidth; |
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/* |
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* Remove the p->overstep width. |
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* Again, if p->overstep is negative, |
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* sign extension does the right thing. |
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*/ |
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bp += (size_t)p->overstep; |
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p->overstep = 0; |
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} |
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/* Write out the [remaining] word. */ |
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for ( ; i < p->col; i++) { |
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if (vend > bp && jhy > 0 && i > jhy) |
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break; |
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if ('\t' == p->buf[i]) |
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break; |
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if (' ' == p->buf[i]) { |
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j = i; |
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while (i < p->col && ' ' == p->buf[i]) |
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i++; |
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dv = (i - j) * (*p->width)(p, ' '); |
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vbl += dv; |
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vend += dv; |
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break; |
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} |
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if (ASCII_NBRSP == p->buf[i]) { |
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vbl += (*p->width)(p, ' '); |
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continue; |
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} |
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if (ASCII_BREAK == p->buf[i]) |
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continue; |
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/* |
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* Now we definitely know there will be |
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* printable characters to output, |
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* so write preceding white space now. |
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*/ |
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if (vbl) { |
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(*p->advance)(p, vbl); |
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p->viscol += vbl; |
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vbl = 0; |
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} |
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(*p->letter)(p, p->buf[i]); |
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if (8 == p->buf[i]) |
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p->viscol -= (*p->width)(p, p->buf[i-1]); |
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else |
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p->viscol += (*p->width)(p, p->buf[i]); |
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} |
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vis = vend; |
} |
} |
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return(NULL); |
/* |
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* If there was trailing white space, it was not printed; |
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* so reset the cursor position accordingly. |
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*/ |
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if (vis > vbl) |
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vis -= vbl; |
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else |
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vis = 0; |
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p->col = 0; |
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p->overstep = 0; |
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if ( ! (TERMP_NOBREAK & p->flags)) { |
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p->viscol = 0; |
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(*p->endline)(p); |
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return; |
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} |
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if (TERMP_HANG & p->flags) { |
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p->overstep = (int)(vis - maxvis + |
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p->trailspace * (*p->width)(p, ' ')); |
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/* |
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* If we have overstepped the margin, temporarily move |
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* it to the right and flag the rest of the line to be |
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* shorter. |
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* If there is a request to keep the columns together, |
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* allow negative overstep when the column is not full. |
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*/ |
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if (p->trailspace && p->overstep < 0) |
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p->overstep = 0; |
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return; |
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} else if (TERMP_DANGLE & p->flags) |
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return; |
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/* If the column was overrun, break the line. */ |
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if (maxvis < vis + p->trailspace * (*p->width)(p, ' ')) { |
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(*p->endline)(p); |
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p->viscol = 0; |
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} |
} |
} |
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/* |
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* A newline only breaks an existing line; it won't assert vertical |
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* space. All data in the output buffer is flushed prior to the newline |
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* assertion. |
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*/ |
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void |
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term_newln(struct termp *p) |
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{ |
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static char * |
p->flags |= TERMP_NOSPACE; |
vol2a(enum mdoc_vol vol) |
if (p->col || p->viscol) |
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term_flushln(p); |
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} |
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/* |
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* Asserts a vertical space (a full, empty line-break between lines). |
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* Note that if used twice, this will cause two blank spaces and so on. |
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* All data in the output buffer is flushed prior to the newline |
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* assertion. |
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*/ |
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void |
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term_vspace(struct termp *p) |
{ |
{ |
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switch (vol) { |
term_newln(p); |
case (VOL_AMD): |
p->viscol = 0; |
return("OpenBSD Ancestral Manual Documents"); |
if (0 < p->skipvsp) |
case (VOL_IND): |
p->skipvsp--; |
return("OpenBSD Manual Master Index"); |
else |
case (VOL_KM): |
(*p->endline)(p); |
return("OpenBSD Kernel Manual"); |
} |
case (VOL_LOCAL): |
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return("OpenBSD Local Manual"); |
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case (VOL_PRM): |
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return("OpenBSD Programmer's Manual"); |
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case (VOL_PS1): |
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return("OpenBSD Programmer's Supplementary Documents"); |
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case (VOL_SMM): |
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return("OpenBSD System Manager's Manual"); |
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case (VOL_URM): |
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return("OpenBSD Reference Manual"); |
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case (VOL_USD): |
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return("OpenBSD User's Supplementary Documents"); |
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default: |
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break; |
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} |
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return(NULL); |
/* Swap current and previous font; for \fP and .ft P */ |
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void |
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term_fontlast(struct termp *p) |
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{ |
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enum termfont f; |
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f = p->fontl; |
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p->fontl = p->fontq[p->fonti]; |
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p->fontq[p->fonti] = f; |
} |
} |
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/* Set font, save current, discard previous; for \f, .ft, .B etc. */ |
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void |
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term_fontrepl(struct termp *p, enum termfont f) |
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{ |
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static char * |
p->fontl = p->fontq[p->fonti]; |
msec2a(enum mdoc_msec msec) |
p->fontq[p->fonti] = f; |
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} |
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/* Set font, save previous. */ |
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void |
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term_fontpush(struct termp *p, enum termfont f) |
{ |
{ |
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switch (msec) { |
p->fontl = p->fontq[p->fonti]; |
case(MSEC_1): |
if (++p->fonti == p->fontsz) { |
return("1"); |
p->fontsz += 8; |
case(MSEC_2): |
p->fontq = mandoc_reallocarray(p->fontq, |
return("2"); |
p->fontsz, sizeof(enum termfont *)); |
case(MSEC_3): |
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return("3"); |
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case(MSEC_3f): |
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return("3f"); |
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case(MSEC_3p): |
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return("3p"); |
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case(MSEC_4): |
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return("4"); |
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case(MSEC_5): |
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return("5"); |
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case(MSEC_6): |
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return("6"); |
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case(MSEC_7): |
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return("7"); |
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case(MSEC_8): |
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return("8"); |
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case(MSEC_9): |
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return("9"); |
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case(MSEC_X11): |
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return("X11"); |
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case(MSEC_X11R6): |
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return("X11R6"); |
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case(MSEC_local): |
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return("local"); |
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case(MSEC_n): |
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return("n"); |
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case(MSEC_unass): |
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/* FALLTHROUGH */ |
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case(MSEC_draft): |
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return("draft"); |
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case(MSEC_paper): |
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return("paper"); |
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default: |
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break; |
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} |
} |
return(NULL); |
p->fontq[p->fonti] = f; |
} |
} |
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/* Retrieve pointer to current font. */ |
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const enum termfont * |
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term_fontq(struct termp *p) |
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{ |
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static size_t |
return(&p->fontq[p->fonti]); |
ttitle2a(char *dst, enum mdoc_vol vol, enum mdoc_msec msec, |
} |
enum mdoc_arch arch, size_t sz) |
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/* Flush to make the saved pointer current again. */ |
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void |
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term_fontpopq(struct termp *p, const enum termfont *key) |
{ |
{ |
char *p; |
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while (p->fonti >= 0 && key < p->fontq + p->fonti) |
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p->fonti--; |
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assert(p->fonti >= 0); |
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} |
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/* Pop one font off the stack. */ |
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void |
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term_fontpop(struct termp *p) |
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{ |
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assert(p->fonti); |
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p->fonti--; |
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} |
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/* |
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* Handle pwords, partial words, which may be either a single word or a |
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* phrase that cannot be broken down (such as a literal string). This |
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* handles word styling. |
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*/ |
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void |
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term_word(struct termp *p, const char *word) |
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{ |
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const char nbrsp[2] = { ASCII_NBRSP, 0 }; |
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const char *seq, *cp; |
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int sz, uc; |
size_t ssz; |
size_t ssz; |
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enum mandoc_esc esc; |
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if (NULL == (p = vol2a(vol))) |
if ( ! (TERMP_NOSPACE & p->flags)) { |
switch (msec) { |
if ( ! (TERMP_KEEP & p->flags)) { |
case (MSEC_1): |
bufferc(p, ' '); |
/* FALLTHROUGH */ |
if (TERMP_SENTENCE & p->flags) |
case (MSEC_6): |
bufferc(p, ' '); |
/* FALLTHROUGH */ |
} else |
case (MSEC_7): |
bufferc(p, ASCII_NBRSP); |
p = vol2a(VOL_URM); |
} |
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if (TERMP_PREKEEP & p->flags) |
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p->flags |= TERMP_KEEP; |
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|
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if ( ! (p->flags & TERMP_NONOSPACE)) |
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p->flags &= ~TERMP_NOSPACE; |
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else |
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p->flags |= TERMP_NOSPACE; |
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|
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p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE); |
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|
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while ('\0' != *word) { |
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if ('\\' != *word) { |
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if (TERMP_SKIPCHAR & p->flags) { |
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p->flags &= ~TERMP_SKIPCHAR; |
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word++; |
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continue; |
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} |
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if (TERMP_NBRWORD & p->flags) { |
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if (' ' == *word) { |
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encode(p, nbrsp, 1); |
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word++; |
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continue; |
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} |
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ssz = strcspn(word, "\\ "); |
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} else |
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ssz = strcspn(word, "\\"); |
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encode(p, word, ssz); |
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word += (int)ssz; |
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continue; |
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} |
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|
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word++; |
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esc = mandoc_escape(&word, &seq, &sz); |
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if (ESCAPE_ERROR == esc) |
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continue; |
|
|
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switch (esc) { |
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case ESCAPE_UNICODE: |
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uc = mchars_num2uc(seq + 1, sz - 1); |
break; |
break; |
case (MSEC_8): |
case ESCAPE_NUMBERED: |
p = vol2a(VOL_SMM); |
uc = mchars_num2char(seq, sz); |
|
if (uc < 0) |
|
continue; |
break; |
break; |
case (MSEC_2): |
case ESCAPE_SPECIAL: |
|
if (p->enc == TERMENC_ASCII) { |
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cp = mchars_spec2str(p->symtab, |
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seq, sz, &ssz); |
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if (cp != NULL) |
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encode(p, cp, ssz); |
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} else { |
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uc = mchars_spec2cp(p->symtab, seq, sz); |
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if (uc > 0) |
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encode1(p, uc); |
|
} |
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continue; |
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case ESCAPE_FONTBOLD: |
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term_fontrepl(p, TERMFONT_BOLD); |
|
continue; |
|
case ESCAPE_FONTITALIC: |
|
term_fontrepl(p, TERMFONT_UNDER); |
|
continue; |
|
case ESCAPE_FONTBI: |
|
term_fontrepl(p, TERMFONT_BI); |
|
continue; |
|
case ESCAPE_FONT: |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (MSEC_3): |
case ESCAPE_FONTROMAN: |
/* FALLTHROUGH */ |
term_fontrepl(p, TERMFONT_NONE); |
case (MSEC_4): |
continue; |
/* FALLTHROUGH */ |
case ESCAPE_FONTPREV: |
case (MSEC_5): |
term_fontlast(p); |
p = vol2a(VOL_PRM); |
continue; |
break; |
case ESCAPE_NOSPACE: |
case (MSEC_9): |
if (TERMP_SKIPCHAR & p->flags) |
p = vol2a(VOL_KM); |
p->flags &= ~TERMP_SKIPCHAR; |
break; |
else if ('\0' == *word) |
|
p->flags |= (TERMP_NOSPACE | TERMP_NONEWLINE); |
|
continue; |
|
case ESCAPE_SKIPCHAR: |
|
p->flags |= TERMP_SKIPCHAR; |
|
continue; |
default: |
default: |
/* FIXME: capitalise. */ |
continue; |
if (NULL == (p = msec2a(msec))) |
|
p = msec2a(MSEC_local); |
|
break; |
|
} |
} |
assert(p); |
|
|
|
if ((ssz = strlcpy(dst, p, sz)) >= sz) |
/* |
return(ssz); |
* Common handling for Unicode and numbered |
|
* character escape sequences. |
|
*/ |
|
|
if ((p = arch2a(arch))) { |
if (p->enc == TERMENC_ASCII) { |
if ((ssz = strlcat(dst, " (", sz)) >= sz) |
cp = ascii_uc2str(uc); |
return(ssz); |
encode(p, cp, strlen(cp)); |
if ((ssz = strlcat(dst, p, sz)) >= sz) |
} else { |
return(ssz); |
if ((uc < 0x20 && uc != 0x09) || |
if ((ssz = strlcat(dst, ")", sz)) >= sz) |
(uc > 0x7E && uc < 0xA0)) |
return(ssz); |
uc = 0xFFFD; |
|
encode1(p, uc); |
|
} |
} |
} |
|
p->flags &= ~TERMP_NBRWORD; |
return(ssz); |
|
} |
} |
|
|
|
static void |
|
adjbuf(struct termp *p, size_t sz) |
|
{ |
|
|
static int |
if (0 == p->maxcols) |
termprint_r(size_t cols, size_t indent, const struct mdoc_node *node) |
p->maxcols = 1024; |
|
while (sz >= p->maxcols) |
|
p->maxcols <<= 2; |
|
|
|
p->buf = mandoc_reallocarray(p->buf, p->maxcols, sizeof(int)); |
|
} |
|
|
|
static void |
|
bufferc(struct termp *p, char c) |
{ |
{ |
|
|
return(1); |
if (p->col + 1 >= p->maxcols) |
|
adjbuf(p, p->col + 1); |
|
|
|
p->buf[p->col++] = c; |
} |
} |
|
|
|
/* |
|
* See encode(). |
|
* Do this for a single (probably unicode) value. |
|
* Does not check for non-decorated glyphs. |
|
*/ |
|
static void |
|
encode1(struct termp *p, int c) |
|
{ |
|
enum termfont f; |
|
|
|
if (TERMP_SKIPCHAR & p->flags) { |
|
p->flags &= ~TERMP_SKIPCHAR; |
|
return; |
|
} |
|
|
|
if (p->col + 6 >= p->maxcols) |
|
adjbuf(p, p->col + 6); |
|
|
|
f = *term_fontq(p); |
|
|
|
if (TERMFONT_UNDER == f || TERMFONT_BI == f) { |
|
p->buf[p->col++] = '_'; |
|
p->buf[p->col++] = 8; |
|
} |
|
if (TERMFONT_BOLD == f || TERMFONT_BI == f) { |
|
if (ASCII_HYPH == c) |
|
p->buf[p->col++] = '-'; |
|
else |
|
p->buf[p->col++] = c; |
|
p->buf[p->col++] = 8; |
|
} |
|
p->buf[p->col++] = c; |
|
} |
|
|
static void |
static void |
termprint_tail(size_t cols, const struct mdoc_meta *meta) |
encode(struct termp *p, const char *word, size_t sz) |
{ |
{ |
struct tm *tm; |
size_t i; |
char *buf, *os; |
|
size_t sz, osz, ssz, i; |
|
|
|
if (NULL == (buf = malloc(cols))) |
if (TERMP_SKIPCHAR & p->flags) { |
err(1, "malloc"); |
p->flags &= ~TERMP_SKIPCHAR; |
if (NULL == (os = malloc(cols))) |
return; |
err(1, "malloc"); |
} |
|
|
tm = localtime(&meta->date); |
/* |
if (NULL == strftime(buf, cols, "%B %d, %Y", tm)) |
* Encode and buffer a string of characters. If the current |
err(1, "strftime"); |
* font mode is unset, buffer directly, else encode then buffer |
|
* character by character. |
|
*/ |
|
|
osz = strlcpy(os, meta->os, cols); |
if (*term_fontq(p) == 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; |
|
} |
|
|
sz = strlen(buf); |
/* Pre-buffer, assuming worst-case. */ |
ssz = sz + osz + 1; |
|
|
|
if (ssz > cols) { |
if (p->col + 1 + (sz * 5) >= p->maxcols) |
ssz -= cols; |
adjbuf(p, p->col + 1 + (sz * 5)); |
assert(ssz <= osz); |
|
os[osz - ssz] = 0; |
|
ssz = 1; |
|
} else |
|
ssz = cols - ssz + 1; |
|
|
|
printf("%s", os); |
for (i = 0; i < sz; i++) { |
for (i = 0; i < ssz; i++) |
if (ASCII_HYPH == word[i] || |
printf(" "); |
isgraph((unsigned char)word[i])) |
|
encode1(p, word[i]); |
|
else |
|
p->buf[p->col++] = word[i]; |
|
} |
|
} |
|
|
printf("%s\n", buf); |
void |
|
term_setwidth(struct termp *p, const char *wstr) |
|
{ |
|
struct roffsu su; |
|
size_t width; |
|
int iop; |
|
|
free(buf); |
iop = 0; |
free(os); |
width = 0; |
|
if (NULL != wstr) { |
|
switch (*wstr) { |
|
case '+': |
|
iop = 1; |
|
wstr++; |
|
break; |
|
case '-': |
|
iop = -1; |
|
wstr++; |
|
break; |
|
default: |
|
break; |
|
} |
|
if (a2roffsu(wstr, &su, SCALE_MAX)) |
|
width = term_hspan(p, &su); |
|
else |
|
iop = 0; |
|
} |
|
(*p->setwidth)(p, iop, width); |
} |
} |
|
|
|
size_t |
|
term_len(const struct termp *p, size_t sz) |
|
{ |
|
|
static void |
return((*p->width)(p, ' ') * sz); |
termprint_head(size_t cols, const struct mdoc_meta *meta) |
} |
|
|
|
static size_t |
|
cond_width(const struct termp *p, int c, int *skip) |
{ |
{ |
char *msec, *buf, *title; |
|
size_t ssz, tsz, ttsz, i; |
|
|
|
if (NULL == (buf = malloc(cols))) |
if (*skip) { |
err(1, "malloc"); |
(*skip) = 0; |
if (NULL == (title = malloc(cols))) |
return(0); |
err(1, "malloc"); |
} else |
|
return((*p->width)(p, c)); |
|
} |
|
|
/* Format the manual page header. */ |
size_t |
|
term_strlen(const struct termp *p, const char *cp) |
|
{ |
|
size_t sz, rsz, i; |
|
int ssz, skip, uc; |
|
const char *seq, *rhs; |
|
enum mandoc_esc esc; |
|
static const char rej[] = { '\\', ASCII_NBRSP, ASCII_HYPH, |
|
ASCII_BREAK, '\0' }; |
|
|
tsz = ttitle2a(buf, meta->vol, meta->msec, meta->arch, cols); |
/* |
ttsz = strlcpy(title, meta->title, cols); |
* Account for escaped sequences within string length |
|
* calculations. This follows the logic in term_word() as we |
|
* must calculate the width of produced strings. |
|
*/ |
|
|
if (NULL == (msec = msec2a(meta->msec))) |
sz = 0; |
msec = ""; |
skip = 0; |
|
while ('\0' != *cp) { |
|
rsz = strcspn(cp, rej); |
|
for (i = 0; i < rsz; i++) |
|
sz += cond_width(p, *cp++, &skip); |
|
|
ssz = (2 * (ttsz + 2 + strlen(msec))) + tsz + 2; |
switch (*cp) { |
|
case '\\': |
|
cp++; |
|
esc = mandoc_escape(&cp, &seq, &ssz); |
|
if (ESCAPE_ERROR == esc) |
|
continue; |
|
|
if (ssz > cols) { |
rhs = NULL; |
if ((ssz -= cols) % 2) |
|
ssz++; |
|
ssz /= 2; |
|
|
|
assert(ssz <= ttsz); |
|
title[ttsz - ssz] = 0; |
|
ssz = 1; |
|
} else |
|
ssz = ((cols - ssz) / 2) + 1; |
|
|
|
printf("%s(%s)", title, msec); |
switch (esc) { |
|
case ESCAPE_UNICODE: |
|
uc = mchars_num2uc(seq + 1, ssz - 1); |
|
break; |
|
case ESCAPE_NUMBERED: |
|
uc = mchars_num2char(seq, ssz); |
|
if (uc < 0) |
|
continue; |
|
break; |
|
case ESCAPE_SPECIAL: |
|
if (p->enc == TERMENC_ASCII) { |
|
rhs = mchars_spec2str(p->symtab, |
|
seq, ssz, &rsz); |
|
if (rhs != NULL) |
|
break; |
|
} else { |
|
uc = mchars_spec2cp(p->symtab, |
|
seq, ssz); |
|
if (uc > 0) |
|
sz += cond_width(p, uc, &skip); |
|
} |
|
continue; |
|
case ESCAPE_SKIPCHAR: |
|
skip = 1; |
|
continue; |
|
default: |
|
continue; |
|
} |
|
|
for (i = 0; i < ssz; i++) |
/* |
printf(" "); |
* Common handling for Unicode and numbered |
|
* character escape sequences. |
|
*/ |
|
|
printf("%s", buf); |
if (rhs == NULL) { |
|
if (p->enc == TERMENC_ASCII) { |
|
rhs = ascii_uc2str(uc); |
|
rsz = strlen(rhs); |
|
} else { |
|
if ((uc < 0x20 && uc != 0x09) || |
|
(uc > 0x7E && uc < 0xA0)) |
|
uc = 0xFFFD; |
|
sz += cond_width(p, uc, &skip); |
|
continue; |
|
} |
|
} |
|
|
for (i = 0; i < ssz; i++) |
if (skip) { |
printf(" "); |
skip = 0; |
|
break; |
|
} |
|
|
printf("%s(%s)\n\n", title, msec); |
/* |
|
* Common handling for all escape sequences |
|
* printing more than one character. |
|
*/ |
|
|
free(title); |
for (i = 0; i < rsz; i++) |
free(buf); |
sz += (*p->width)(p, *rhs++); |
|
break; |
|
case ASCII_NBRSP: |
|
sz += cond_width(p, ' ', &skip); |
|
cp++; |
|
break; |
|
case ASCII_HYPH: |
|
sz += cond_width(p, '-', &skip); |
|
cp++; |
|
/* FALLTHROUGH */ |
|
case ASCII_BREAK: |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
return(sz); |
} |
} |
|
|
|
size_t |
int |
term_vspan(const struct termp *p, const struct roffsu *su) |
termprint(const struct mdoc_node *node, |
|
const struct mdoc_meta *meta) |
|
{ |
{ |
size_t cols; |
double r; |
|
|
if (ERR == setupterm(NULL, STDOUT_FILENO, NULL)) |
switch (su->unit) { |
return(0); |
case SCALE_BU: |
|
r = su->scale / 40.0; |
|
break; |
|
case SCALE_CM: |
|
r = su->scale * 6.0 / 2.54; |
|
break; |
|
case SCALE_FS: |
|
r = su->scale * 65536.0 / 40.0; |
|
break; |
|
case SCALE_IN: |
|
r = su->scale * 6.0; |
|
break; |
|
case SCALE_MM: |
|
r = su->scale * 0.006; |
|
break; |
|
case SCALE_PC: |
|
r = su->scale; |
|
break; |
|
case SCALE_PT: |
|
r = su->scale / 12.0; |
|
break; |
|
case SCALE_EN: |
|
/* FALLTHROUGH */ |
|
case SCALE_EM: |
|
r = su->scale * 0.6; |
|
break; |
|
case SCALE_VS: |
|
r = su->scale; |
|
break; |
|
default: |
|
abort(); |
|
/* NOTREACHED */ |
|
} |
|
|
cols = columns < 60 ? 60 : (size_t)columns; |
if (r < 0.0) |
|
r = 0.0; |
termprint_head(cols, meta); |
return((size_t)(r + 0.4995)); |
if ( ! termprint_r(cols, 0, node)) |
|
return(0); |
|
termprint_tail(cols, meta); |
|
return(1); |
|
} |
} |
|
|
|
size_t |
|
term_hspan(const struct termp *p, const struct roffsu *su) |
|
{ |
|
double v; |
|
|
|
v = (*p->hspan)(p, su); |
|
if (v < 0.0) |
|
v = 0.0; |
|
return((size_t)(v + 0.0005)); |
|
} |