version 1.1, 2009/02/20 11:04:23 |
version 1.192, 2011/05/17 11:55:08 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv> |
|
* Copyright (c) 2010, 2011 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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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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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> |
#include <stdint.h> |
#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 "out.h" |
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#include "term.h" |
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#include "main.h" |
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static void adjbuf(struct termp *p, int); |
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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 int termprint_r(size_t, size_t, |
void |
const struct mdoc_node *); |
term_free(struct termp *p) |
static void termprint_head(size_t, |
{ |
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); |
if (p->buf) |
static char *vol2a(enum mdoc_vol); |
free(p->buf); |
static char *msec2a(enum mdoc_msec); |
if (p->symtab) |
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mchars_free(p->symtab); |
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static size_t ttitle2a(char *, enum mdoc_vol, enum mdoc_msec, |
free(p); |
enum mdoc_arch, size_t); |
} |
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static char * |
void |
arch2a(enum mdoc_arch arch) |
term_begin(struct termp *p, term_margin head, |
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term_margin foot, const void *arg) |
{ |
{ |
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switch (arch) { |
p->headf = head; |
case (ARCH_alpha): |
p->footf = foot; |
return("Alpha"); |
p->argf = arg; |
case (ARCH_amd64): |
(*p->begin)(p); |
return("AMD64"); |
} |
case (ARCH_amiga): |
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return("Amiga"); |
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case (ARCH_arc): |
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return("ARC"); |
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case (ARCH_arm): |
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return("ARM"); |
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case (ARCH_armish): |
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return("ARMISH"); |
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case (ARCH_aviion): |
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return("AViion"); |
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case (ARCH_hp300): |
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return("HP300"); |
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case (ARCH_hppa): |
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return("HPPA"); |
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case (ARCH_hppa64): |
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return("HPPA64"); |
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case (ARCH_i386): |
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return("i386"); |
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case (ARCH_landisk): |
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return("LANDISK"); |
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case (ARCH_luna88k): |
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return("Luna88k"); |
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case (ARCH_mac68k): |
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return("Mac68k"); |
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case (ARCH_macppc): |
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return("MacPPC"); |
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case (ARCH_mvme68k): |
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return("MVME68k"); |
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case (ARCH_mvme88k): |
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return("MVME88k"); |
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case (ARCH_mvmeppc): |
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return("MVMEPPC"); |
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case (ARCH_pmax): |
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return("PMAX"); |
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case (ARCH_sgi): |
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return("SGI"); |
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case (ARCH_socppc): |
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return("SOCPPC"); |
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case (ARCH_sparc): |
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return("SPARC"); |
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case (ARCH_sparc64): |
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return("SPARC64"); |
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case (ARCH_sun3): |
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return("Sun3"); |
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case (ARCH_vax): |
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return("VAX"); |
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case (ARCH_zaurus): |
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return("Zaurus"); |
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default: |
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break; |
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} |
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return(NULL); |
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void |
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term_end(struct termp *p) |
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{ |
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(*p->end)(p); |
} |
} |
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static char * |
struct termp * |
vol2a(enum mdoc_vol vol) |
term_alloc(enum termenc enc) |
{ |
{ |
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struct termp *p; |
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switch (vol) { |
p = mandoc_calloc(1, sizeof(struct termp)); |
case (VOL_AMD): |
p->enc = enc; |
return("OpenBSD Ancestral Manual Documents"); |
return(p); |
case (VOL_IND): |
} |
return("OpenBSD Manual Master Index"); |
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case (VOL_KM): |
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return("OpenBSD Kernel Manual"); |
/* |
case (VOL_LOCAL): |
* Flush a line of text. A "line" is loosely defined as being something |
return("OpenBSD Local Manual"); |
* that should be followed by a newline, regardless of whether it's |
case (VOL_PRM): |
* broken apart by newlines getting there. A line can also be a |
return("OpenBSD Programmer's Manual"); |
* fragment of a columnar list (`Bl -tag' or `Bl -column'), which does |
case (VOL_PS1): |
* not have a trailing newline. |
return("OpenBSD Programmer's Supplementary Documents"); |
* |
case (VOL_SMM): |
* The following flags may be specified: |
return("OpenBSD System Manager's Manual"); |
* |
case (VOL_URM): |
* - TERMP_NOLPAD: when beginning to write the line, don't left-pad the |
return("OpenBSD Reference Manual"); |
* offset value. This is useful when doing columnar lists where the |
case (VOL_USD): |
* prior column has right-padded. |
return("OpenBSD User's Supplementary Documents"); |
* |
default: |
* - TERMP_NOBREAK: this is the most important and is used when making |
break; |
* columns. In short: don't print a newline and instead pad to the |
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* right margin. Used in conjunction with TERMP_NOLPAD. |
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* |
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* - TERMP_TWOSPACE: when padding, make sure there are at least two |
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* space characters of padding. Otherwise, rather break the line. |
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* |
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* - TERMP_DANGLE: don't newline when TERMP_NOBREAK is specified and |
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* the line is overrun, and don't pad-right if it's underrun. |
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* |
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* - TERMP_HANG: like TERMP_DANGLE, but doesn't newline when |
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* overruning, instead save the position and continue at that point |
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* when the next invocation. |
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* |
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* In-line line breaking: |
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* |
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* If TERMP_NOBREAK is specified and the line overruns the right |
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* margin, it will break and pad-right to the right margin after |
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* writing. If maxrmargin is violated, it will break and continue |
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* writing from the right-margin, which will lead to the above scenario |
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* upon exit. Otherwise, the line will break at the right margin. |
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*/ |
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void |
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term_flushln(struct termp *p) |
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{ |
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int i; /* current input position in p->buf */ |
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size_t vis; /* current visual position on output */ |
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size_t vbl; /* number of blanks to prepend to output */ |
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size_t vend; /* end of word visual position on output */ |
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size_t bp; /* visual right border position */ |
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size_t dv; /* temporary for visual pos calculations */ |
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int j; /* temporary loop index for p->buf */ |
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int jhy; /* last hyph before overflow w/r/t j */ |
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size_t maxvis; /* output position of visible boundary */ |
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size_t mmax; /* used in calculating bp */ |
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/* |
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* First, establish the maximum columns of "visible" content. |
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* This is usually the difference between the right-margin and |
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* an indentation, but can be, for tagged lists or columns, a |
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* small set of values. |
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*/ |
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assert (p->rmargin >= p->offset); |
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dv = p->rmargin - p->offset; |
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maxvis = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
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dv = p->maxrmargin - p->offset; |
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mmax = (int)dv > p->overstep ? dv - (size_t)p->overstep : 0; |
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bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
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/* |
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* Indent the first line of a paragraph. |
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*/ |
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vbl = p->flags & TERMP_NOLPAD ? (size_t)0 : p->offset; |
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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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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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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 ((j && ' ' == 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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jhy = 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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if (TERMP_NOBREAK & p->flags) { |
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p->viscol = p->rmargin; |
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(*p->advance)(p, p->rmargin); |
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vend += p->rmargin - p->offset; |
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} else { |
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p->viscol = 0; |
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vbl = p->offset; |
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} |
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/* Remove the p->overstep width. */ |
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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 (' ' == p->buf[i]) |
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i++; |
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dv = (size_t)(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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/* |
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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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if (ASCII_HYPH == p->buf[i]) { |
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(*p->letter)(p, '-'); |
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p->viscol += (*p->width)(p, '-'); |
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} else { |
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(*p->letter)(p, p->buf[i]); |
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p->viscol += (*p->width)(p, p->buf[i]); |
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} |
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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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vis -= vbl; |
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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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/* We need one blank after the tag. */ |
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p->overstep = (int)(vis - maxvis + (*p->width)(p, ' ')); |
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/* |
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* Behave exactly the same way as groff: |
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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 we landed right at the margin, be happy. |
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* If we are one step before the margin, temporarily |
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* move it one step LEFT and flag the rest of the line |
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* to be longer. |
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*/ |
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if (p->overstep >= -1) { |
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assert((int)maxvis + p->overstep >= 0); |
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maxvis += (size_t)p->overstep; |
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} else |
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p->overstep = 0; |
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} else if (TERMP_DANGLE & p->flags) |
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return; |
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/* Right-pad. */ |
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if (maxvis > vis + |
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((TERMP_TWOSPACE & p->flags) ? (*p->width)(p, ' ') : 0)) { |
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p->viscol += maxvis - vis; |
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(*p->advance)(p, maxvis - vis); |
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vis += (maxvis - vis); |
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} else { /* ...or newline break. */ |
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(*p->endline)(p); |
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p->viscol = p->rmargin; |
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(*p->advance)(p, p->rmargin); |
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} |
} |
} |
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static char * |
/* |
msec2a(enum mdoc_msec msec) |
* 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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switch (msec) { |
p->flags |= TERMP_NOSPACE; |
case(MSEC_1): |
if (0 == p->col && 0 == p->viscol) { |
return("1"); |
p->flags &= ~TERMP_NOLPAD; |
case(MSEC_2): |
return; |
return("2"); |
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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); |
term_flushln(p); |
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p->flags &= ~TERMP_NOLPAD; |
} |
} |
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static size_t |
/* |
ttitle2a(char *dst, enum mdoc_vol vol, enum mdoc_msec msec, |
* Asserts a vertical space (a full, empty line-break between lines). |
enum mdoc_arch arch, size_t sz) |
* 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) |
{ |
{ |
char *p; |
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term_newln(p); |
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p->viscol = 0; |
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(*p->endline)(p); |
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} |
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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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} |
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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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p->fontl = p->fontq[p->fonti]; |
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p->fontq[p->fonti] = f; |
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} |
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void |
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term_fontpush(struct termp *p, enum termfont f) |
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{ |
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assert(p->fonti + 1 < 10); |
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p->fontl = p->fontq[p->fonti]; |
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p->fontq[++p->fonti] = f; |
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} |
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const void * |
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term_fontq(struct termp *p) |
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{ |
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return(&p->fontq[p->fonti]); |
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} |
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enum termfont |
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term_fonttop(struct termp *p) |
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{ |
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return(p->fontq[p->fonti]); |
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} |
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void |
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term_fontpopq(struct termp *p, const void *key) |
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{ |
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|
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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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void |
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term_fontpop(struct termp *p) |
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{ |
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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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/* |
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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 *seq, *cp; |
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char c; |
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int sz; |
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): |
if (TERMP_PREKEEP & p->flags) |
/* FALLTHROUGH */ |
p->flags |= TERMP_KEEP; |
case (MSEC_6): |
bufferc(p, ' '); |
/* FALLTHROUGH */ |
if (TERMP_SENTENCE & p->flags) |
case (MSEC_7): |
bufferc(p, ' '); |
p = vol2a(VOL_URM); |
} else |
|
bufferc(p, ASCII_NBRSP); |
|
} |
|
|
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if ( ! (p->flags & TERMP_NONOSPACE)) |
|
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_IGNDELIM); |
|
|
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while ('\0' != *word) { |
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if ((ssz = strcspn(word, "\\")) > 0) |
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encode(p, word, ssz); |
|
|
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word += (int)ssz; |
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if ('\\' != *word) |
|
continue; |
|
|
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word++; |
|
esc = mandoc_escape(&word, &seq, &sz); |
|
if (ESCAPE_ERROR == esc) |
break; |
break; |
case (MSEC_8): |
|
p = vol2a(VOL_SMM); |
switch (esc) { |
|
case (ESCAPE_UNICODE): |
|
encode(p, "?", 1); |
break; |
break; |
case (MSEC_2): |
case (ESCAPE_NUMBERED): |
/* FALLTHROUGH */ |
if ('\0' != (c = mchars_num2char(seq, sz))) |
case (MSEC_3): |
encode(p, &c, 1); |
/* FALLTHROUGH */ |
|
case (MSEC_4): |
|
/* FALLTHROUGH */ |
|
case (MSEC_5): |
|
p = vol2a(VOL_PRM); |
|
break; |
break; |
case (MSEC_9): |
case (ESCAPE_PREDEF): |
p = vol2a(VOL_KM); |
cp = mchars_res2str(p->symtab, seq, sz, &ssz); |
|
if (NULL != cp) |
|
encode(p, cp, ssz); |
break; |
break; |
|
case (ESCAPE_SPECIAL): |
|
cp = mchars_spec2str(p->symtab, seq, sz, &ssz); |
|
if (NULL != cp) |
|
encode(p, cp, ssz); |
|
else if (1 == ssz) |
|
encode(p, seq, sz); |
|
break; |
|
case (ESCAPE_FONTBOLD): |
|
term_fontrepl(p, TERMFONT_BOLD); |
|
break; |
|
case (ESCAPE_FONTITALIC): |
|
term_fontrepl(p, TERMFONT_UNDER); |
|
break; |
|
case (ESCAPE_FONTROMAN): |
|
term_fontrepl(p, TERMFONT_NONE); |
|
break; |
|
case (ESCAPE_FONTPREV): |
|
term_fontlast(p); |
|
break; |
|
case (ESCAPE_NOSPACE): |
|
if ('\0' == *word) |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
default: |
default: |
/* FIXME: capitalise. */ |
|
if (NULL == (p = msec2a(msec))) |
|
p = msec2a(MSEC_local); |
|
break; |
break; |
} |
} |
assert(p); |
} |
|
} |
|
|
if ((ssz = strlcpy(dst, p, sz)) >= sz) |
static void |
return(ssz); |
adjbuf(struct termp *p, int sz) |
|
{ |
|
|
if ((p = arch2a(arch))) { |
if (0 == p->maxcols) |
if ((ssz = strlcat(dst, " (", sz)) >= sz) |
p->maxcols = 1024; |
return(ssz); |
while (sz >= p->maxcols) |
if ((ssz = strlcat(dst, p, sz)) >= sz) |
p->maxcols <<= 2; |
return(ssz); |
|
if ((ssz = strlcat(dst, ")", sz)) >= sz) |
|
return(ssz); |
|
} |
|
|
|
return(ssz); |
p->buf = mandoc_realloc |
|
(p->buf, sizeof(int) * (size_t)p->maxcols); |
} |
} |
|
|
|
static void |
static int |
bufferc(struct termp *p, char c) |
termprint_r(size_t cols, size_t indent, const struct mdoc_node *node) |
|
{ |
{ |
|
|
return(1); |
if (p->col + 1 >= p->maxcols) |
|
adjbuf(p, p->col + 1); |
|
|
|
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; |
enum termfont f; |
char *buf, *os; |
int i, len; |
size_t sz, osz, ssz, i; |
|
|
|
if (NULL == (buf = malloc(cols))) |
/* LINTED */ |
err(1, "malloc"); |
len = sz; |
if (NULL == (os = malloc(cols))) |
|
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 (TERMFONT_NONE == (f = term_fonttop(p))) { |
|
if (p->col + len >= p->maxcols) |
|
adjbuf(p, p->col + len); |
|
for (i = 0; i < len; 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 + (len * 3) >= p->maxcols) |
ssz -= cols; |
adjbuf(p, p->col + 1 + (len * 3)); |
assert(ssz <= osz); |
|
os[osz - ssz] = 0; |
|
ssz = 1; |
|
} else |
|
ssz = cols - ssz + 1; |
|
|
|
printf("%s", os); |
for (i = 0; i < len; i++) { |
for (i = 0; i < ssz; i++) |
if ( ! isgraph((unsigned char)word[i])) { |
printf(" "); |
p->buf[p->col++] = word[i]; |
|
continue; |
|
} |
|
|
printf("%s\n", buf); |
if (TERMFONT_UNDER == f) |
|
p->buf[p->col++] = '_'; |
|
else |
|
p->buf[p->col++] = word[i]; |
|
|
free(buf); |
p->buf[p->col++] = 8; |
free(os); |
p->buf[p->col++] = word[i]; |
|
} |
} |
} |
|
|
|
size_t |
static void |
term_len(const struct termp *p, size_t sz) |
termprint_head(size_t cols, const struct mdoc_meta *meta) |
|
{ |
{ |
char *msec, *buf, *title; |
|
size_t ssz, tsz, ttsz, i; |
|
|
|
if (NULL == (buf = malloc(cols))) |
return((*p->width)(p, ' ') * sz); |
err(1, "malloc"); |
} |
if (NULL == (title = malloc(cols))) |
|
err(1, "malloc"); |
|
|
|
/* Format the manual page header. */ |
|
|
|
tsz = ttitle2a(buf, meta->vol, meta->msec, meta->arch, cols); |
size_t |
ttsz = strlcpy(title, meta->title, cols); |
term_strlen(const struct termp *p, const char *cp) |
|
{ |
|
size_t sz, rsz, i; |
|
int ssz, c; |
|
const char *seq, *rhs; |
|
static const char rej[] = { '\\', ASCII_HYPH, ASCII_NBRSP, '\0' }; |
|
|
if (NULL == (msec = msec2a(meta->msec))) |
/* |
msec = ""; |
* Account for escaped sequences within string length |
|
* calculations. This follows the logic in term_word() as we |
|
* must calculate the width of produced strings. |
|
*/ |
|
|
ssz = (2 * (ttsz + 2 + strlen(msec))) + tsz + 2; |
sz = 0; |
|
while ('\0' != *cp) { |
|
rsz = strcspn(cp, rej); |
|
for (i = 0; i < rsz; i++) |
|
sz += (*p->width)(p, *cp++); |
|
|
if (ssz > cols) { |
c = 0; |
if ((ssz -= cols) % 2) |
switch (*cp) { |
ssz++; |
case ('\\'): |
ssz /= 2; |
cp++; |
|
rhs = NULL; |
assert(ssz <= ttsz); |
switch (mandoc_escape(&cp, &seq, &ssz)) { |
title[ttsz - ssz] = 0; |
case (ESCAPE_ERROR): |
ssz = 1; |
return(sz); |
} else |
case (ESCAPE_UNICODE): |
ssz = ((cols - ssz) / 2) + 1; |
c = '?'; |
|
/* FALLTHROUGH */ |
|
case (ESCAPE_NUMBERED): |
|
if ('\0' != c) |
|
c = mchars_num2char(seq, ssz); |
|
if ('\0' != c) |
|
sz += (*p->width)(p, c); |
|
break; |
|
case (ESCAPE_PREDEF): |
|
rhs = mchars_res2str |
|
(p->symtab, seq, ssz, &rsz); |
|
break; |
|
case (ESCAPE_SPECIAL): |
|
rhs = mchars_spec2str |
|
(p->symtab, seq, ssz, &rsz); |
|
|
printf("%s(%s)", title, msec); |
if (ssz != 1 || rhs) |
|
break; |
|
|
for (i = 0; i < ssz; i++) |
rhs = seq; |
printf(" "); |
rsz = ssz; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
printf("%s", buf); |
if (NULL == rhs) |
|
break; |
|
|
for (i = 0; i < ssz; i++) |
for (i = 0; i < rsz; i++) |
printf(" "); |
sz += (*p->width)(p, *rhs++); |
|
break; |
|
case (ASCII_NBRSP): |
|
sz += (*p->width)(p, ' '); |
|
cp++; |
|
break; |
|
case (ASCII_HYPH): |
|
sz += (*p->width)(p, '-'); |
|
cp++; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
printf("%s(%s)\n\n", title, msec); |
return(sz); |
|
|
free(title); |
|
free(buf); |
|
} |
} |
|
|
|
/* ARGSUSED */ |
int |
size_t |
termprint(const struct mdoc_node *node, |
term_vspan(const struct termp *p, const struct roffsu *su) |
const struct mdoc_meta *meta) |
|
{ |
{ |
size_t cols; |
double r; |
|
|
if (ERR == setupterm(NULL, STDOUT_FILENO, NULL)) |
switch (su->unit) { |
return(0); |
case (SCALE_CM): |
|
r = su->scale * 2; |
|
break; |
|
case (SCALE_IN): |
|
r = su->scale * 6; |
|
break; |
|
case (SCALE_PC): |
|
r = su->scale; |
|
break; |
|
case (SCALE_PT): |
|
r = su->scale / 8; |
|
break; |
|
case (SCALE_MM): |
|
r = su->scale / 1000; |
|
break; |
|
case (SCALE_VS): |
|
r = su->scale; |
|
break; |
|
default: |
|
r = su->scale - 1; |
|
break; |
|
} |
|
|
cols = columns < 60 ? 60 : (size_t)columns; |
if (r < 0.0) |
|
r = 0.0; |
termprint_head(cols, meta); |
return(/* LINTED */(size_t) |
if ( ! termprint_r(cols, 0, node)) |
r); |
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) /* LINTED */ |
|
v); |
|
} |