version 1.139, 2010/05/24 21:51:20 |
version 1.141, 2010/06/07 10:52:44 |
|
|
|
|
#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
|
#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
|
|
#include "mdoc.h" |
#include "mdoc.h" |
#include "main.h" |
#include "main.h" |
|
|
static struct termp *term_alloc(enum termenc, size_t); |
static struct termp *term_alloc(char *, enum termenc); |
static void term_free(struct termp *); |
static void term_free(struct termp *); |
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); |
Line 46 static void encode(struct termp *, const char *, si |
|
Line 47 static void encode(struct termp *, const char *, si |
|
|
|
|
|
void * |
void * |
ascii_alloc(size_t width) |
ascii_alloc(char *outopts) |
{ |
{ |
|
|
return(term_alloc(TERMENC_ASCII, width)); |
return(term_alloc(outopts, TERMENC_ASCII)); |
} |
} |
|
|
|
|
Line 75 term_free(struct termp *p) |
|
Line 76 term_free(struct termp *p) |
|
|
|
|
|
static struct termp * |
static struct termp * |
term_alloc(enum termenc enc, size_t width) |
term_alloc(char *outopts, enum termenc enc) |
{ |
{ |
struct termp *p; |
struct termp *p; |
|
const char *toks[2]; |
|
char *v; |
|
size_t width; |
|
|
|
toks[0] = "width"; |
|
toks[1] = NULL; |
|
|
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); |
} |
} |
|
|
p->tabwidth = 5; |
p->tabwidth = 5; |
p->enc = enc; |
p->enc = enc; |
|
width = 80; |
|
|
|
while (outopts && *outopts) |
|
switch (getsubopt(&outopts, UNCONST(toks), &v)) { |
|
case (0): |
|
width = atoi(v); |
|
break; |
|
default: |
|
break; |
|
} |
|
|
/* Enforce some lower boundary. */ |
/* Enforce some lower boundary. */ |
if (width < 60) |
if (width < 60) |
width = 60; |
width = 60; |
Line 138 term_flushln(struct termp *p) |
|
Line 157 term_flushln(struct termp *p) |
|
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 */ |
|
int jhy; /* last hyphen before line overflow */ |
size_t maxvis, mmax; |
size_t maxvis, mmax; |
|
|
/* |
/* |
Line 190 term_flushln(struct termp *p) |
|
Line 210 term_flushln(struct termp *p) |
|
*/ |
*/ |
|
|
/* 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]) |
|
jhy = j; |
vend++; |
vend++; |
|
} else |
|
vend--; |
} |
} |
|
|
/* |
/* |
* 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'); |
putchar('\n'); |
if (TERMP_NOBREAK & p->flags) { |
if (TERMP_NOBREAK & p->flags) { |
Line 231 term_flushln(struct termp *p) |
|
Line 254 term_flushln(struct termp *p) |
|
|
|
/* Write out the [remaining] word. */ |
/* Write out the [remaining] word. */ |
for ( ; i < (int)p->col; i++) { |
for ( ; i < (int)p->col; i++) { |
|
if (vend > bp && jhy > 0 && i > jhy) |
|
break; |
if ('\t' == p->buf[i]) |
if ('\t' == p->buf[i]) |
break; |
break; |
if (' ' == p->buf[i]) { |
if (' ' == p->buf[i]) { |
Line 256 term_flushln(struct termp *p) |
|
Line 281 term_flushln(struct termp *p) |
|
p->viscol += vbl; |
p->viscol += vbl; |
vbl = 0; |
vbl = 0; |
} |
} |
putchar(p->buf[i]); |
|
|
if (ASCII_HYPH == p->buf[i]) |
|
putchar('-'); |
|
else |
|
putchar(p->buf[i]); |
|
|
p->viscol += 1; |
p->viscol += 1; |
} |
} |
vend += vbl; |
vend += vbl; |