version 1.2, 2010/06/08 15:06:01 |
version 1.30, 2014/08/14 22:33:10 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 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 above |
* purpose with or without fee is hereby granted, provided that the above |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#ifdef HAVE_CONFIG_H |
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#include "config.h" |
#include "config.h" |
#endif |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <assert.h> |
#ifdef USE_WCHAR |
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#include <locale.h> |
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#endif |
#include <stdint.h> |
#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <unistd.h> |
#include <unistd.h> |
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#ifdef USE_WCHAR |
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#include <wchar.h> |
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#endif |
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#include "mandoc.h" |
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#include "mandoc_aux.h" |
#include "out.h" |
#include "out.h" |
#include "term.h" |
#include "term.h" |
#include "main.h" |
#include "main.h" |
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static void ascii_endline(struct termp *); |
/* |
static void ascii_letter(struct termp *, char); |
* Sadly, this doesn't seem to be defined on systems even when they |
static void ascii_begin(struct termp *); |
* support it. For the time being, remove it and let those compiling |
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* the software decide for themselves what to use. |
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*/ |
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#if 0 |
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#if ! defined(__STDC_ISO_10646__) |
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# undef USE_WCHAR |
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#endif |
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#endif |
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static struct termp *ascii_init(enum termenc, char *); |
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static double ascii_hspan(const struct termp *, |
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const struct roffsu *); |
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static size_t ascii_width(const struct termp *, int); |
static void ascii_advance(struct termp *, size_t); |
static void ascii_advance(struct termp *, size_t); |
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static void ascii_begin(struct termp *); |
static void ascii_end(struct termp *); |
static void ascii_end(struct termp *); |
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static void ascii_endline(struct termp *); |
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static void ascii_letter(struct termp *, int); |
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static void ascii_setwidth(struct termp *, int, size_t); |
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#ifdef USE_WCHAR |
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static void locale_advance(struct termp *, size_t); |
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static void locale_endline(struct termp *); |
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static void locale_letter(struct termp *, int); |
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static size_t locale_width(const struct termp *, int); |
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#endif |
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void * |
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ascii_alloc(char *outopts) |
static struct termp * |
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ascii_init(enum termenc enc, char *outopts) |
{ |
{ |
struct termp *p; |
const char *toks[4]; |
const char *toks[2]; |
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char *v; |
char *v; |
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struct termp *p; |
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if (NULL == (p = term_alloc(TERMENC_ASCII))) |
p = mandoc_calloc(1, sizeof(struct termp)); |
return(NULL); |
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p->type = TERMTYPE_CHAR; |
p->tabwidth = 5; |
p->letter = ascii_letter; |
p->defrmargin = p->lastrmargin = 78; |
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p->begin = ascii_begin; |
p->begin = ascii_begin; |
p->end = ascii_end; |
p->end = ascii_end; |
p->endline = ascii_endline; |
p->hspan = ascii_hspan; |
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p->type = TERMTYPE_CHAR; |
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p->enc = TERMENC_ASCII; |
p->advance = ascii_advance; |
p->advance = ascii_advance; |
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p->endline = ascii_endline; |
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p->letter = ascii_letter; |
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p->setwidth = ascii_setwidth; |
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p->width = ascii_width; |
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toks[0] = "width"; |
#ifdef USE_WCHAR |
toks[1] = NULL; |
if (TERMENC_ASCII != enc) { |
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v = TERMENC_LOCALE == enc ? |
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setlocale(LC_ALL, "") : |
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setlocale(LC_CTYPE, "en_US.UTF-8"); |
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if (NULL != v && MB_CUR_MAX > 1) { |
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p->enc = enc; |
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p->advance = locale_advance; |
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p->endline = locale_endline; |
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p->letter = locale_letter; |
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p->width = locale_width; |
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} |
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} |
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#endif |
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toks[0] = "indent"; |
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toks[1] = "width"; |
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toks[2] = "mdoc"; |
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toks[3] = NULL; |
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while (outopts && *outopts) |
while (outopts && *outopts) |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
case (0): |
case 0: |
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p->defindent = (size_t)atoi(v); |
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break; |
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case 1: |
p->defrmargin = (size_t)atoi(v); |
p->defrmargin = (size_t)atoi(v); |
break; |
break; |
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case 2: |
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/* |
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* Temporary, undocumented mode |
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* to imitate mdoc(7) output style. |
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*/ |
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p->mdocstyle = 1; |
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p->defindent = 5; |
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break; |
default: |
default: |
break; |
break; |
} |
} |
Line 73 ascii_alloc(char *outopts) |
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Line 137 ascii_alloc(char *outopts) |
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return(p); |
return(p); |
} |
} |
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void * |
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ascii_alloc(char *outopts) |
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{ |
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return(ascii_init(TERMENC_ASCII, outopts)); |
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} |
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void * |
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utf8_alloc(char *outopts) |
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{ |
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return(ascii_init(TERMENC_UTF8, outopts)); |
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} |
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void * |
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locale_alloc(char *outopts) |
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{ |
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return(ascii_init(TERMENC_LOCALE, outopts)); |
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} |
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static void |
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ascii_setwidth(struct termp *p, int iop, size_t width) |
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{ |
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p->rmargin = p->defrmargin; |
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if (0 < iop) |
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p->defrmargin += width; |
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else if (0 > iop) |
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p->defrmargin -= width; |
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else |
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p->defrmargin = width ? width : p->lastrmargin; |
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p->lastrmargin = p->rmargin; |
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p->rmargin = p->maxrmargin = p->defrmargin; |
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} |
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static size_t |
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ascii_width(const struct termp *p, int c) |
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{ |
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return(1); |
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} |
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void |
void |
ascii_free(void *arg) |
ascii_free(void *arg) |
{ |
{ |
Line 81 ascii_free(void *arg) |
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Line 187 ascii_free(void *arg) |
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term_free((struct termp *)arg); |
term_free((struct termp *)arg); |
} |
} |
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/* ARGSUSED */ |
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static void |
static void |
ascii_letter(struct termp *p, char c) |
ascii_letter(struct termp *p, int c) |
{ |
{ |
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/* Just push onto the screen. */ |
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putchar(c); |
putchar(c); |
} |
} |
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static void |
static void |
ascii_begin(struct termp *p) |
ascii_begin(struct termp *p) |
{ |
{ |
Line 99 ascii_begin(struct termp *p) |
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Line 201 ascii_begin(struct termp *p) |
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(*p->headf)(p, p->argf); |
(*p->headf)(p, p->argf); |
} |
} |
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static void |
static void |
ascii_end(struct termp *p) |
ascii_end(struct termp *p) |
{ |
{ |
Line 107 ascii_end(struct termp *p) |
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Line 208 ascii_end(struct termp *p) |
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(*p->footf)(p, p->argf); |
(*p->footf)(p, p->argf); |
} |
} |
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/* ARGSUSED */ |
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static void |
static void |
ascii_endline(struct termp *p) |
ascii_endline(struct termp *p) |
{ |
{ |
Line 116 ascii_endline(struct termp *p) |
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Line 215 ascii_endline(struct termp *p) |
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putchar('\n'); |
putchar('\n'); |
} |
} |
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/* ARGSUSED */ |
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static void |
static void |
ascii_advance(struct termp *p, size_t len) |
ascii_advance(struct termp *p, size_t len) |
{ |
{ |
size_t i; |
size_t i; |
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/* Just print whitespace on the terminal. */ |
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for (i = 0; i < len; i++) |
for (i = 0; i < len; i++) |
putchar(' '); |
putchar(' '); |
} |
} |
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static double |
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ascii_hspan(const struct termp *p, const struct roffsu *su) |
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{ |
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double r; |
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/* |
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* Approximate based on character width. |
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* None of these will be actually correct given that an inch on |
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* the screen depends on character size, terminal, etc., etc. |
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*/ |
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switch (su->unit) { |
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case SCALE_BU: |
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r = su->scale * 10.0 / 240.0; |
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break; |
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case SCALE_CM: |
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r = su->scale * 10.0 / 2.54; |
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break; |
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case SCALE_FS: |
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r = su->scale * 2730.666; |
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break; |
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case SCALE_IN: |
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r = su->scale * 10.0; |
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break; |
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case SCALE_MM: |
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r = su->scale / 100.0; |
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break; |
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case SCALE_PC: |
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r = su->scale * 10.0 / 6.0; |
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break; |
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case SCALE_PT: |
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r = su->scale * 10.0 / 72.0; |
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break; |
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case SCALE_VS: |
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r = su->scale * 2.0 - 1.0; |
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break; |
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case SCALE_EN: |
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/* FALLTHROUGH */ |
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case SCALE_EM: |
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r = su->scale; |
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break; |
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case SCALE_MAX: |
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abort(); |
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/* NOTREACHED */ |
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} |
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return(r); |
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} |
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#ifdef USE_WCHAR |
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static size_t |
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locale_width(const struct termp *p, int c) |
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{ |
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int rc; |
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if (c == ASCII_NBRSP) |
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c = ' '; |
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rc = wcwidth(c); |
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if (rc < 0) |
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rc = 0; |
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return(rc); |
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} |
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static void |
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locale_advance(struct termp *p, size_t len) |
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{ |
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size_t i; |
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for (i = 0; i < len; i++) |
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putwchar(L' '); |
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} |
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static void |
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locale_endline(struct termp *p) |
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{ |
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putwchar(L'\n'); |
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} |
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static void |
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locale_letter(struct termp *p, int c) |
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{ |
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putwchar(c); |
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} |
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#endif |