version 1.138, 2010/05/24 21:34:16 |
version 1.147, 2010/06/11 07:23:04 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#include <time.h> |
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#include "mandoc.h" |
#include "mandoc.h" |
#include "chars.h" |
#include "chars.h" |
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#include "mdoc.h" |
#include "mdoc.h" |
#include "main.h" |
#include "main.h" |
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static struct termp *term_alloc(enum termenc, size_t); |
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static void term_free(struct termp *); |
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static void spec(struct termp *, const char *, size_t); |
static void spec(struct termp *, const char *, size_t); |
static void res(struct termp *, const char *, size_t); |
static void res(struct termp *, const char *, size_t); |
static void buffera(struct termp *, const char *, size_t); |
static void buffera(struct termp *, const char *, size_t); |
Line 45 static void adjbuf(struct termp *p, size_t); |
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Line 43 static void adjbuf(struct termp *p, size_t); |
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static void encode(struct termp *, const char *, size_t); |
static void encode(struct termp *, const char *, size_t); |
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void * |
void |
ascii_alloc(size_t width) |
term_free(struct termp *p) |
{ |
{ |
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return(term_alloc(TERMENC_ASCII, width)); |
if (p->buf) |
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free(p->buf); |
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if (p->symtab) |
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chars_free(p->symtab); |
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free(p); |
} |
} |
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void |
void |
terminal_free(void *arg) |
term_begin(struct termp *p, term_margin head, |
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term_margin foot, const void *arg) |
{ |
{ |
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term_free((struct termp *)arg); |
p->headf = head; |
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p->footf = foot; |
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p->argf = arg; |
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(*p->begin)(p); |
} |
} |
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static void |
void |
term_free(struct termp *p) |
term_end(struct termp *p) |
{ |
{ |
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if (p->buf) |
(*p->end)(p); |
free(p->buf); |
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if (p->symtab) |
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chars_free(p->symtab); |
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free(p); |
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} |
} |
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static struct termp * |
struct termp * |
term_alloc(enum termenc enc, size_t width) |
term_alloc(enum termenc enc) |
{ |
{ |
struct termp *p; |
struct termp *p; |
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p = calloc(1, sizeof(struct termp)); |
p = calloc(1, sizeof(struct termp)); |
if (NULL == p) { |
if (NULL == p) { |
perror(NULL); |
perror(NULL); |
exit(EXIT_FAILURE); |
exit(EXIT_FAILURE); |
} |
} |
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p->tabwidth = 5; |
p->tabwidth = 5; |
p->enc = enc; |
p->enc = enc; |
/* Enforce some lower boundary. */ |
p->defrmargin = 78; |
if (width < 60) |
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width = 60; |
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p->defrmargin = width - 2; |
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return(p); |
return(p); |
} |
} |
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Line 138 term_flushln(struct termp *p) |
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Line 138 term_flushln(struct termp *p) |
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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 */ |
int j; /* temporary loop index */ |
int j; /* temporary loop index */ |
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int jhy; /* last hyphen before line overflow */ |
size_t maxvis, mmax; |
size_t maxvis, mmax; |
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/* |
/* |
Line 190 term_flushln(struct termp *p) |
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Line 191 term_flushln(struct termp *p) |
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*/ |
*/ |
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/* LINTED */ |
/* LINTED */ |
for ( ; j < (int)p->col; j++) { |
for (jhy = 0; j < (int)p->col; j++) { |
if ((j && ' ' == p->buf[j]) || '\t' == p->buf[j]) |
if ((j && ' ' == p->buf[j]) || '\t' == p->buf[j]) |
break; |
break; |
if (8 == p->buf[j]) |
if (8 != p->buf[j]) { |
vend--; |
if (vend > vis && vend < bp && |
else |
ASCII_HYPH == p->buf[j]) |
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jhy = j; |
vend++; |
vend++; |
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} else |
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vend--; |
} |
} |
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/* |
/* |
* Find out whether we would exceed the right margin. |
* Find out whether we would exceed the right margin. |
* If so, break to the next line. |
* If so, break to the next line. |
*/ |
*/ |
if (vend > bp && vis > 0) { |
if (vend > bp && 0 == jhy && vis > 0) { |
vend -= vis; |
vend -= vis; |
putchar('\n'); |
(*p->endline)(p); |
if (TERMP_NOBREAK & p->flags) { |
if (TERMP_NOBREAK & p->flags) { |
for (j = 0; j < (int)p->rmargin; j++) |
p->viscol = p->rmargin; |
putchar(' '); |
(*p->advance)(p, p->rmargin); |
vend += p->rmargin - p->offset; |
vend += p->rmargin - p->offset; |
} else { |
} else { |
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p->viscol = 0; |
vbl = p->offset; |
vbl = p->offset; |
} |
} |
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Line 229 term_flushln(struct termp *p) |
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Line 234 term_flushln(struct termp *p) |
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/* Write out the [remaining] word. */ |
/* Write out the [remaining] word. */ |
for ( ; i < (int)p->col; i++) { |
for ( ; i < (int)p->col; i++) { |
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if (vend > bp && jhy > 0 && i > jhy) |
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break; |
if ('\t' == p->buf[i]) |
if ('\t' == p->buf[i]) |
break; |
break; |
if (' ' == p->buf[i]) { |
if (' ' == p->buf[i]) { |
Line 249 term_flushln(struct termp *p) |
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Line 256 term_flushln(struct termp *p) |
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* so write preceding white space now. |
* so write preceding white space now. |
*/ |
*/ |
if (vbl) { |
if (vbl) { |
for (j = 0; j < (int)vbl; j++) |
(*p->advance)(p, vbl); |
putchar(' '); |
p->viscol += vbl; |
vbl = 0; |
vbl = 0; |
} |
} |
putchar(p->buf[i]); |
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if (ASCII_HYPH == p->buf[i]) |
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(*p->letter)(p, '-'); |
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else |
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(*p->letter)(p, p->buf[i]); |
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p->viscol += 1; |
} |
} |
vend += vbl; |
vend += vbl; |
vis = vend; |
vis = vend; |
Line 263 term_flushln(struct termp *p) |
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Line 276 term_flushln(struct termp *p) |
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p->overstep = 0; |
p->overstep = 0; |
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if ( ! (TERMP_NOBREAK & p->flags)) { |
if ( ! (TERMP_NOBREAK & p->flags)) { |
putchar('\n'); |
p->viscol = 0; |
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(*p->endline)(p); |
return; |
return; |
} |
} |
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Line 294 term_flushln(struct termp *p) |
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Line 308 term_flushln(struct termp *p) |
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/* Right-pad. */ |
/* Right-pad. */ |
if (maxvis > vis + /* LINTED */ |
if (maxvis > vis + /* LINTED */ |
((TERMP_TWOSPACE & p->flags) ? 1 : 0)) |
((TERMP_TWOSPACE & p->flags) ? 1 : 0)) { |
for ( ; vis < maxvis; vis++) |
p->viscol += maxvis - vis; |
putchar(' '); |
(*p->advance)(p, maxvis - vis); |
else { /* ...or newline break. */ |
vis += (maxvis - vis); |
putchar('\n'); |
} else { /* ...or newline break. */ |
for (i = 0; i < (int)p->rmargin; i++) |
(*p->endline)(p); |
putchar(' '); |
p->viscol = p->rmargin; |
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(*p->advance)(p, p->rmargin); |
} |
} |
} |
} |
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Line 315 term_newln(struct termp *p) |
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Line 330 term_newln(struct termp *p) |
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{ |
{ |
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p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
if (0 == p->col) { |
if (0 == p->col && 0 == p->viscol) { |
p->flags &= ~TERMP_NOLPAD; |
p->flags &= ~TERMP_NOLPAD; |
return; |
return; |
} |
} |
Line 335 term_vspace(struct termp *p) |
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Line 350 term_vspace(struct termp *p) |
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{ |
{ |
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term_newln(p); |
term_newln(p); |
putchar('\n'); |
p->viscol = 0; |
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(*p->endline)(p); |
} |
} |
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