version 1.208, 2013/08/05 23:36:42 |
version 1.211, 2013/12/22 23:34:13 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2012 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011, 2012, 2013 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 above |
* purpose with or without fee is hereby granted, provided that the above |
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#include "main.h" |
#include "main.h" |
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static size_t cond_width(const struct termp *, int, int *); |
static size_t cond_width(const struct termp *, int, int *); |
static void adjbuf(struct termp *p, int); |
static void adjbuf(struct termp *p, size_t); |
static void bufferc(struct termp *, char); |
static void bufferc(struct termp *, char); |
static void encode(struct termp *, const char *, size_t); |
static void encode(struct termp *, const char *, size_t); |
static void encode1(struct termp *, int); |
static void encode1(struct termp *, int); |
Line 83 term_end(struct termp *p) |
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Line 83 term_end(struct termp *p) |
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* - TERMP_NOBREAK: this is the most important and is used when making |
* - TERMP_NOBREAK: this is the most important and is used when making |
* columns. In short: don't print a newline and instead expect the |
* columns. In short: don't print a newline and instead expect the |
* next call to do the padding up to the start of the next column. |
* next call to do the padding up to the start of the next column. |
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* p->trailspace may be set to 0, 1, or 2, depending on how many |
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* space characters are required at the end of the column. |
* |
* |
* - TERMP_TWOSPACE: make sure there is room for at least two space |
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* 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 |
* - TERMP_DANGLE: don't newline when TERMP_NOBREAK is specified and |
* the line is overrun, and don't pad-right if it's underrun. |
* the line is overrun, and don't pad-right if it's underrun. |
* |
* |
Line 105 term_end(struct termp *p) |
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Line 104 term_end(struct termp *p) |
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void |
void |
term_flushln(struct termp *p) |
term_flushln(struct termp *p) |
{ |
{ |
int i; /* current input position in p->buf */ |
size_t i; /* current input position in p->buf */ |
int ntab; /* number of tabs to prepend */ |
int ntab; /* number of tabs to prepend */ |
size_t vis; /* current visual position on output */ |
size_t vis; /* current visual position on output */ |
size_t vbl; /* number of blanks to prepend to output */ |
size_t vbl; /* number of blanks to prepend to output */ |
size_t vend; /* end of word visual position on output */ |
size_t vend; /* end of word visual position on output */ |
size_t bp; /* visual right border position */ |
size_t bp; /* visual right border position */ |
size_t dv; /* temporary for visual pos calculations */ |
size_t dv; /* temporary for visual pos calculations */ |
int j; /* temporary loop index for p->buf */ |
size_t j; /* temporary loop index for p->buf */ |
int jhy; /* last hyph before overflow w/r/t j */ |
size_t jhy; /* last hyph before overflow w/r/t j */ |
size_t maxvis; /* output position of visible boundary */ |
size_t maxvis; /* output position of visible boundary */ |
size_t mmax; /* used in calculating bp */ |
size_t mmax; /* used in calculating bp */ |
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Line 216 term_flushln(struct termp *p) |
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Line 215 term_flushln(struct termp *p) |
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j = i; |
j = i; |
while (' ' == p->buf[i]) |
while (' ' == p->buf[i]) |
i++; |
i++; |
dv = (size_t)(i - j) * (*p->width)(p, ' '); |
dv = (i - j) * (*p->width)(p, ' '); |
vbl += dv; |
vbl += dv; |
vend += dv; |
vend += dv; |
break; |
break; |
Line 269 term_flushln(struct termp *p) |
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Line 268 term_flushln(struct termp *p) |
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} |
} |
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if (TERMP_HANG & p->flags) { |
if (TERMP_HANG & p->flags) { |
/* We need one blank after the tag. */ |
p->overstep = (int)(vis - maxvis + |
p->overstep = (int)(vis - maxvis + (*p->width)(p, ' ')); |
p->trailspace * (*p->width)(p, ' ')); |
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/* |
/* |
* If we have overstepped the margin, temporarily move |
* If we have overstepped the margin, temporarily move |
Line 285 term_flushln(struct termp *p) |
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Line 284 term_flushln(struct termp *p) |
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return; |
return; |
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/* If the column was overrun, break the line. */ |
/* If the column was overrun, break the line. */ |
if (maxvis <= vis + |
if (maxvis < vis + p->trailspace * (*p->width)(p, ' ')) { |
((TERMP_TWOSPACE & p->flags) ? (*p->width)(p, ' ') : 0)) { |
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(*p->endline)(p); |
(*p->endline)(p); |
p->viscol = 0; |
p->viscol = 0; |
} |
} |
Line 480 term_word(struct termp *p, const char *word) |
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Line 478 term_word(struct termp *p, const char *word) |
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case (ESCAPE_FONTITALIC): |
case (ESCAPE_FONTITALIC): |
term_fontrepl(p, TERMFONT_UNDER); |
term_fontrepl(p, TERMFONT_UNDER); |
break; |
break; |
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case (ESCAPE_FONTBI): |
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term_fontrepl(p, TERMFONT_BI); |
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break; |
case (ESCAPE_FONT): |
case (ESCAPE_FONT): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (ESCAPE_FONTROMAN): |
case (ESCAPE_FONTROMAN): |
Line 504 term_word(struct termp *p, const char *word) |
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Line 505 term_word(struct termp *p, const char *word) |
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} |
} |
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static void |
static void |
adjbuf(struct termp *p, int sz) |
adjbuf(struct termp *p, size_t sz) |
{ |
{ |
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if (0 == p->maxcols) |
if (0 == p->maxcols) |
Line 512 adjbuf(struct termp *p, int sz) |
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Line 513 adjbuf(struct termp *p, int sz) |
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while (sz >= p->maxcols) |
while (sz >= p->maxcols) |
p->maxcols <<= 2; |
p->maxcols <<= 2; |
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p->buf = mandoc_realloc |
p->buf = mandoc_realloc(p->buf, sizeof(int) * p->maxcols); |
(p->buf, sizeof(int) * (size_t)p->maxcols); |
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} |
} |
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static void |
static void |
Line 541 encode1(struct termp *p, int c) |
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Line 541 encode1(struct termp *p, int c) |
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return; |
return; |
} |
} |
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if (p->col + 4 >= p->maxcols) |
if (p->col + 6 >= p->maxcols) |
adjbuf(p, p->col + 4); |
adjbuf(p, p->col + 6); |
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f = term_fonttop(p); |
f = term_fonttop(p); |
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if (TERMFONT_NONE == f) { |
if (TERMFONT_UNDER == f || TERMFONT_BI == f) { |
p->buf[p->col++] = c; |
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return; |
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} else if (TERMFONT_UNDER == f) { |
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p->buf[p->col++] = '_'; |
p->buf[p->col++] = '_'; |
} else |
p->buf[p->col++] = 8; |
p->buf[p->col++] = c; |
} |
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if (TERMFONT_BOLD == f || TERMFONT_BI == f) { |
p->buf[p->col++] = 8; |
if (ASCII_HYPH == c) |
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p->buf[p->col++] = '-'; |
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else |
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p->buf[p->col++] = c; |
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p->buf[p->col++] = 8; |
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} |
p->buf[p->col++] = c; |
p->buf[p->col++] = c; |
} |
} |
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static void |
static void |
encode(struct termp *p, const char *word, size_t sz) |
encode(struct termp *p, const char *word, size_t sz) |
{ |
{ |
enum termfont f; |
size_t i; |
int i, len; |
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if (TERMP_SKIPCHAR & p->flags) { |
if (TERMP_SKIPCHAR & p->flags) { |
p->flags &= ~TERMP_SKIPCHAR; |
p->flags &= ~TERMP_SKIPCHAR; |
return; |
return; |
} |
} |
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/* LINTED */ |
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len = sz; |
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/* |
/* |
* Encode and buffer a string of characters. If the current |
* Encode and buffer a string of characters. If the current |
* font mode is unset, buffer directly, else encode then buffer |
* font mode is unset, buffer directly, else encode then buffer |
* character by character. |
* character by character. |
*/ |
*/ |
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if (TERMFONT_NONE == (f = term_fonttop(p))) { |
if (TERMFONT_NONE == term_fonttop(p)) { |
if (p->col + len >= p->maxcols) |
if (p->col + sz >= p->maxcols) |
adjbuf(p, p->col + len); |
adjbuf(p, p->col + sz); |
for (i = 0; i < len; i++) |
for (i = 0; i < sz; i++) |
p->buf[p->col++] = word[i]; |
p->buf[p->col++] = word[i]; |
return; |
return; |
} |
} |
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/* Pre-buffer, assuming worst-case. */ |
/* Pre-buffer, assuming worst-case. */ |
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if (p->col + 1 + (len * 3) >= p->maxcols) |
if (p->col + 1 + (sz * 5) >= p->maxcols) |
adjbuf(p, p->col + 1 + (len * 3)); |
adjbuf(p, p->col + 1 + (sz * 5)); |
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for (i = 0; i < len; i++) { |
for (i = 0; i < sz; i++) { |
if (ASCII_HYPH != word[i] && |
if (ASCII_HYPH == word[i] || |
! isgraph((unsigned char)word[i])) { |
isgraph((unsigned char)word[i])) |
p->buf[p->col++] = word[i]; |
encode1(p, word[i]); |
continue; |
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} |
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if (TERMFONT_UNDER == f) |
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p->buf[p->col++] = '_'; |
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else if (ASCII_HYPH == word[i]) |
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p->buf[p->col++] = '-'; |
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else |
else |
p->buf[p->col++] = word[i]; |
p->buf[p->col++] = word[i]; |
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p->buf[p->col++] = 8; |
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p->buf[p->col++] = word[i]; |
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} |
} |
} |
} |
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