version 1.97, 2009/07/28 10:15:12 |
version 1.113, 2009/10/26 17:05:44 |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include <time.h> |
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#include "chars.h" |
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#include "out.h" |
#include "term.h" |
#include "term.h" |
#include "man.h" |
#include "man.h" |
#include "mdoc.h" |
#include "mdoc.h" |
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#include "main.h" |
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extern int man_run(struct termp *, |
/* FIXME: accomodate non-breaking, non-collapsing white-space. */ |
const struct man *); |
/* FIXME: accomodate non-breaking, collapsing white-space. */ |
extern int mdoc_run(struct termp *, |
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const struct mdoc *); |
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static struct termp *term_alloc(enum termenc); |
static struct termp *term_alloc(enum termenc); |
static void term_free(struct termp *); |
static void term_free(struct termp *); |
Line 39 static void do_reserved(struct termp *, |
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Line 41 static void do_reserved(struct termp *, |
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const char *, size_t); |
const char *, size_t); |
static void buffer(struct termp *, char); |
static void buffer(struct termp *, char); |
static void encode(struct termp *, char); |
static void encode(struct termp *, char); |
static int isopendelim(const char *); |
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static int isclosedelim(const char *); |
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void * |
void * |
Line 51 ascii_alloc(void) |
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Line 51 ascii_alloc(void) |
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} |
} |
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int |
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terminal_man(void *arg, const struct man *man) |
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{ |
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struct termp *p; |
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p = (struct termp *)arg; |
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if (NULL == p->symtab) |
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p->symtab = term_ascii2htab(); |
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return(man_run(p, man)); |
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} |
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int |
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terminal_mdoc(void *arg, const struct mdoc *mdoc) |
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{ |
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struct termp *p; |
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p = (struct termp *)arg; |
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if (NULL == p->symtab) |
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p->symtab = term_ascii2htab(); |
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return(mdoc_run(p, mdoc)); |
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} |
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void |
void |
terminal_free(void *arg) |
terminal_free(void *arg) |
{ |
{ |
Line 91 term_free(struct termp *p) |
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Line 65 term_free(struct termp *p) |
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if (p->buf) |
if (p->buf) |
free(p->buf); |
free(p->buf); |
if (TERMENC_ASCII == p->enc && p->symtab) |
if (p->symtab) |
term_asciifree(p->symtab); |
chars_free(p->symtab); |
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free(p); |
free(p); |
} |
} |
Line 104 term_alloc(enum termenc enc) |
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Line 78 term_alloc(enum termenc enc) |
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struct termp *p; |
struct termp *p; |
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if (NULL == (p = malloc(sizeof(struct termp)))) |
if (NULL == (p = malloc(sizeof(struct termp)))) |
err(1, "malloc"); |
return(NULL); |
bzero(p, sizeof(struct termp)); |
bzero(p, sizeof(struct termp)); |
p->maxrmargin = 78; |
p->maxrmargin = 78; |
p->enc = enc; |
p->enc = enc; |
Line 112 term_alloc(enum termenc enc) |
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Line 86 term_alloc(enum termenc enc) |
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} |
} |
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static int |
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isclosedelim(const char *p) |
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{ |
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if ( ! (*p && 0 == *(p + 1))) |
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return(0); |
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switch (*p) { |
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case('.'): |
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/* FALLTHROUGH */ |
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case(','): |
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/* FALLTHROUGH */ |
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case(';'): |
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/* FALLTHROUGH */ |
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case(':'): |
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/* FALLTHROUGH */ |
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case('?'): |
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/* FALLTHROUGH */ |
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case('!'): |
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/* FALLTHROUGH */ |
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case(')'): |
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/* FALLTHROUGH */ |
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case(']'): |
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/* FALLTHROUGH */ |
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case('}'): |
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return(1); |
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default: |
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break; |
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} |
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return(0); |
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} |
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static int |
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isopendelim(const char *p) |
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{ |
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if ( ! (*p && 0 == *(p + 1))) |
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return(0); |
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switch (*p) { |
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case('('): |
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/* FALLTHROUGH */ |
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case('['): |
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/* FALLTHROUGH */ |
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case('{'): |
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return(1); |
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default: |
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break; |
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} |
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return(0); |
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} |
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/* |
/* |
* Flush a line of text. A "line" is loosely defined as being something |
* Flush a line of text. A "line" is loosely defined as being something |
* that should be followed by a newline, regardless of whether it's |
* that should be followed by a newline, regardless of whether it's |
Line 233 term_flushln(struct termp *p) |
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Line 151 term_flushln(struct termp *p) |
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bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
vis = 0; |
vis = 0; |
overstep = 0; |
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/* |
/* |
* If in the standard case (left-justified), then begin with our |
* If in the standard case (left-justified), then begin with our |
Line 287 term_flushln(struct termp *p) |
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Line 204 term_flushln(struct termp *p) |
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putchar(' '); |
putchar(' '); |
vis = 0; |
vis = 0; |
} |
} |
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/* Remove the overstep width. */ |
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bp += (int)/* LINTED */ |
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overstep; |
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overstep = 0; |
} else { |
} else { |
for (j = 0; j < (int)vbl; j++) |
for (j = 0; j < (int)vbl; j++) |
putchar(' '); |
putchar(' '); |
Line 303 term_flushln(struct termp *p) |
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Line 224 term_flushln(struct termp *p) |
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} |
} |
vis += vsz; |
vis += vsz; |
} |
} |
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p->col = 0; |
p->col = 0; |
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overstep = 0; |
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if ( ! (TERMP_NOBREAK & p->flags)) { |
if ( ! (TERMP_NOBREAK & p->flags)) { |
putchar('\n'); |
putchar('\n'); |
Line 389 do_special(struct termp *p, const char *word, size_t l |
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Line 312 do_special(struct termp *p, const char *word, size_t l |
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size_t sz; |
size_t sz; |
int i; |
int i; |
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rhs = term_a2ascii(p->symtab, word, len, &sz); |
rhs = chars_a2ascii(p->symtab, word, len, &sz); |
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if (NULL == rhs) { |
if (NULL == rhs) { |
#if 0 |
#if 0 |
Line 412 do_reserved(struct termp *p, const char *word, size_t |
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Line 335 do_reserved(struct termp *p, const char *word, size_t |
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size_t sz; |
size_t sz; |
int i; |
int i; |
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rhs = term_a2res(p->symtab, word, len, &sz); |
rhs = chars_a2res(p->symtab, word, len, &sz); |
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if (NULL == rhs) { |
if (NULL == rhs) { |
#if 0 |
#if 0 |
Line 492 do_escaped(struct termp *p, const char **word) |
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Line 415 do_escaped(struct termp *p, const char **word) |
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switch (*wp) { |
switch (*wp) { |
case ('B'): |
case ('B'): |
p->flags |= TERMP_BOLD; |
p->bold++; |
break; |
break; |
case ('I'): |
case ('I'): |
p->flags |= TERMP_UNDER; |
p->under++; |
break; |
break; |
case ('P'): |
case ('P'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('R'): |
case ('R'): |
p->flags &= ~TERMP_STYLE; |
p->bold = p->under = 0; |
break; |
break; |
default: |
default: |
break; |
break; |
Line 542 term_word(struct termp *p, const char *word) |
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Line 465 term_word(struct termp *p, const char *word) |
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{ |
{ |
const char *sv; |
const char *sv; |
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if (isclosedelim(word)) |
sv = word; |
if ( ! (TERMP_IGNDELIM & p->flags)) |
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p->flags |= TERMP_NOSPACE; |
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if (word[0] && 0 == word[1]) |
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switch (word[0]) { |
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case('.'): |
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/* FALLTHROUGH */ |
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case(','): |
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/* FALLTHROUGH */ |
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case(';'): |
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/* FALLTHROUGH */ |
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case(':'): |
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/* FALLTHROUGH */ |
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case('?'): |
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/* FALLTHROUGH */ |
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case('!'): |
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/* FALLTHROUGH */ |
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case(')'): |
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/* FALLTHROUGH */ |
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case(']'): |
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/* FALLTHROUGH */ |
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case('}'): |
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if ( ! (TERMP_IGNDELIM & p->flags)) |
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p->flags |= TERMP_NOSPACE; |
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break; |
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default: |
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break; |
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} |
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if ( ! (TERMP_NOSPACE & p->flags)) |
if ( ! (TERMP_NOSPACE & p->flags)) |
buffer(p, ' '); |
buffer(p, ' '); |
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if ( ! (p->flags & TERMP_NONOSPACE)) |
if ( ! (p->flags & TERMP_NONOSPACE)) |
p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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for (sv = word; *word; word++) |
for ( ; *word; word++) |
if ('\\' != *word) |
if ('\\' != *word) |
encode(p, *word); |
encode(p, *word); |
else |
else |
do_escaped(p, &word); |
do_escaped(p, &word); |
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if (isopendelim(sv)) |
if (sv[0] && 0 == sv[1]) |
p->flags |= TERMP_NOSPACE; |
switch (sv[0]) { |
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case('('): |
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/* FALLTHROUGH */ |
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case('['): |
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/* FALLTHROUGH */ |
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case('{'): |
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p->flags |= TERMP_NOSPACE; |
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break; |
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default: |
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break; |
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} |
} |
} |
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Line 579 buffer(struct termp *p, char c) |
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Line 536 buffer(struct termp *p, char c) |
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s = p->maxcols * 2; |
s = p->maxcols * 2; |
p->buf = realloc(p->buf, s); |
p->buf = realloc(p->buf, s); |
if (NULL == p->buf) |
if (NULL == p->buf) |
err(1, "realloc"); |
err(1, "realloc"); /* FIXME: shouldn't be here! */ |
p->maxcols = s; |
p->maxcols = s; |
} |
} |
p->buf[(int)(p->col)++] = c; |
p->buf[(int)(p->col)++] = c; |
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encode(struct termp *p, char c) |
encode(struct termp *p, char c) |
{ |
{ |
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if (' ' != c && TERMP_STYLE & p->flags) { |
if (' ' != c) { |
if (TERMP_BOLD & p->flags) { |
if (p->under) { |
buffer(p, c); |
buffer(p, '_'); |
buffer(p, 8); |
buffer(p, 8); |
} |
} |
if (TERMP_UNDER & p->flags) { |
if (p->bold) { |
buffer(p, '_'); |
buffer(p, c); |
buffer(p, 8); |
buffer(p, 8); |
} |
} |
} |
} |
buffer(p, c); |
buffer(p, c); |
} |
} |
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size_t |
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term_vspan(const struct roffsu *su) |
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{ |
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double r; |
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switch (su->unit) { |
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case (SCALE_CM): |
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r = su->scale * 2; |
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break; |
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case (SCALE_IN): |
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r = su->scale * 6; |
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break; |
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case (SCALE_PC): |
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r = su->scale; |
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break; |
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case (SCALE_PT): |
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r = su->scale / 8; |
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break; |
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case (SCALE_MM): |
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r = su->scale / 1000; |
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break; |
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case (SCALE_VS): |
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r = su->scale; |
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break; |
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default: |
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r = su->scale - 1; |
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break; |
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} |
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if (r < 0.0) |
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r = 0.0; |
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return(/* LINTED */(size_t) |
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r); |
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} |
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size_t |
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term_hspan(const struct roffsu *su) |
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{ |
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double r; |
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/* XXX: CM, IN, and PT are approximations. */ |
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switch (su->unit) { |
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case (SCALE_CM): |
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r = 4 * su->scale; |
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break; |
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case (SCALE_IN): |
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/* XXX: this is an approximation. */ |
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r = 10 * su->scale; |
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break; |
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case (SCALE_PC): |
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r = (10 * su->scale) / 6; |
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break; |
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case (SCALE_PT): |
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r = (10 * su->scale) / 72; |
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break; |
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case (SCALE_MM): |
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r = su->scale / 1000; /* FIXME: double-check. */ |
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break; |
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case (SCALE_VS): |
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r = su->scale * 2 - 1; /* FIXME: double-check. */ |
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break; |
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default: |
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r = su->scale; |
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break; |
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} |
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if (r < 0.0) |
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r = 0.0; |
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return((size_t)/* LINTED */ |
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r); |
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} |
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