version 1.99, 2009/09/16 09:41:24 |
version 1.111, 2009/10/26 07:18:23 |
|
|
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
|
|
|
#include "chars.h" |
|
#include "out.h" |
#include "term.h" |
#include "term.h" |
#include "man.h" |
#include "man.h" |
#include "mdoc.h" |
#include "mdoc.h" |
|
#include "main.h" |
|
|
extern void man_run(struct termp *, |
/* FIXME: accomodate non-breaking, non-collapsing white-space. */ |
const struct man *); |
/* FIXME: accomodate non-breaking, collapsing white-space. */ |
extern void mdoc_run(struct termp *, |
|
const struct mdoc *); |
|
|
|
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 *, |
|
Line 40 static void do_reserved(struct termp *, |
|
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 *); |
|
static int isclosedelim(const char *); |
|
|
|
|
|
void * |
void * |
Line 52 ascii_alloc(void) |
|
Line 51 ascii_alloc(void) |
|
|
|
|
|
void |
void |
terminal_man(void *arg, const struct man *man) |
|
{ |
|
struct termp *p; |
|
|
|
p = (struct termp *)arg; |
|
if (NULL == p->symtab) |
|
p->symtab = term_ascii2htab(); |
|
|
|
man_run(p, man); |
|
} |
|
|
|
|
|
void |
|
terminal_mdoc(void *arg, const struct mdoc *mdoc) |
|
{ |
|
struct termp *p; |
|
|
|
p = (struct termp *)arg; |
|
if (NULL == p->symtab) |
|
p->symtab = term_ascii2htab(); |
|
|
|
mdoc_run(p, mdoc); |
|
} |
|
|
|
|
|
void |
|
terminal_free(void *arg) |
terminal_free(void *arg) |
{ |
{ |
|
|
Line 91 term_free(struct termp *p) |
|
Line 64 term_free(struct termp *p) |
|
|
|
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); |
|
|
free(p); |
free(p); |
} |
} |
Line 112 term_alloc(enum termenc enc) |
|
Line 85 term_alloc(enum termenc enc) |
|
} |
} |
|
|
|
|
static int |
|
isclosedelim(const char *p) |
|
{ |
|
|
|
if ( ! (*p && 0 == *(p + 1))) |
|
return(0); |
|
|
|
switch (*p) { |
|
case('.'): |
|
/* FALLTHROUGH */ |
|
case(','): |
|
/* FALLTHROUGH */ |
|
case(';'): |
|
/* FALLTHROUGH */ |
|
case(':'): |
|
/* FALLTHROUGH */ |
|
case('?'): |
|
/* FALLTHROUGH */ |
|
case('!'): |
|
/* FALLTHROUGH */ |
|
case(')'): |
|
/* FALLTHROUGH */ |
|
case(']'): |
|
/* FALLTHROUGH */ |
|
case('}'): |
|
return(1); |
|
default: |
|
break; |
|
} |
|
|
|
return(0); |
|
} |
|
|
|
|
|
static int |
|
isopendelim(const char *p) |
|
{ |
|
|
|
if ( ! (*p && 0 == *(p + 1))) |
|
return(0); |
|
|
|
switch (*p) { |
|
case('('): |
|
/* FALLTHROUGH */ |
|
case('['): |
|
/* FALLTHROUGH */ |
|
case('{'): |
|
return(1); |
|
default: |
|
break; |
|
} |
|
|
|
return(0); |
|
} |
|
|
|
|
|
/* |
/* |
* 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) |
|
Line 150 term_flushln(struct termp *p) |
|
|
|
bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
bp = TERMP_NOBREAK & p->flags ? mmax : maxvis; |
vis = 0; |
vis = 0; |
overstep = 0; |
|
|
|
/* |
/* |
* 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) |
|
Line 203 term_flushln(struct termp *p) |
|
putchar(' '); |
putchar(' '); |
vis = 0; |
vis = 0; |
} |
} |
|
/* Remove the overstep width. */ |
|
bp += overstep; |
|
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) |
|
Line 222 term_flushln(struct termp *p) |
|
} |
} |
vis += vsz; |
vis += vsz; |
} |
} |
|
|
p->col = 0; |
p->col = 0; |
|
overstep = 0; |
|
|
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 |
|
Line 310 do_special(struct termp *p, const char *word, size_t l |
|
size_t sz; |
size_t sz; |
int i; |
int i; |
|
|
rhs = term_a2ascii(p->symtab, word, len, &sz); |
rhs = chars_a2ascii(p->symtab, word, len, &sz); |
|
|
if (NULL == rhs) { |
if (NULL == rhs) { |
#if 0 |
#if 0 |
Line 412 do_reserved(struct termp *p, const char *word, size_t |
|
Line 333 do_reserved(struct termp *p, const char *word, size_t |
|
size_t sz; |
size_t sz; |
int i; |
int i; |
|
|
rhs = term_a2res(p->symtab, word, len, &sz); |
rhs = chars_a2res(p->symtab, word, len, &sz); |
|
|
if (NULL == rhs) { |
if (NULL == rhs) { |
#if 0 |
#if 0 |
Line 542 term_word(struct termp *p, const char *word) |
|
Line 463 term_word(struct termp *p, const char *word) |
|
{ |
{ |
const char *sv; |
const char *sv; |
|
|
if (isclosedelim(word)) |
sv = word; |
if ( ! (TERMP_IGNDELIM & p->flags)) |
|
p->flags |= TERMP_NOSPACE; |
|
|
|
|
if (word[0] && 0 == word[1]) |
|
switch (word[0]) { |
|
case('.'): |
|
/* FALLTHROUGH */ |
|
case(','): |
|
/* FALLTHROUGH */ |
|
case(';'): |
|
/* FALLTHROUGH */ |
|
case(':'): |
|
/* FALLTHROUGH */ |
|
case('?'): |
|
/* FALLTHROUGH */ |
|
case('!'): |
|
/* FALLTHROUGH */ |
|
case(')'): |
|
/* FALLTHROUGH */ |
|
case(']'): |
|
/* FALLTHROUGH */ |
|
case('}'): |
|
if ( ! (TERMP_IGNDELIM & p->flags)) |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
if ( ! (TERMP_NOSPACE & p->flags)) |
if ( ! (TERMP_NOSPACE & p->flags)) |
buffer(p, ' '); |
buffer(p, ' '); |
|
|
if ( ! (p->flags & TERMP_NONOSPACE)) |
if ( ! (p->flags & TERMP_NONOSPACE)) |
p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
|
|
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); |
|
|
if (isopendelim(sv)) |
if (sv[0] && 0 == sv[1]) |
p->flags |= TERMP_NOSPACE; |
switch (sv[0]) { |
|
case('('): |
|
/* FALLTHROUGH */ |
|
case('['): |
|
/* FALLTHROUGH */ |
|
case('{'): |
|
p->flags |= TERMP_NOSPACE; |
|
break; |
|
default: |
|
break; |
|
} |
} |
} |
|
|
|
|
Line 591 encode(struct termp *p, char c) |
|
Line 546 encode(struct termp *p, char c) |
|
{ |
{ |
|
|
if (' ' != c) { |
if (' ' != c) { |
if (p->bold) { |
|
buffer(p, c); |
|
buffer(p, 8); |
|
} |
|
if (p->under) { |
if (p->under) { |
buffer(p, '_'); |
buffer(p, '_'); |
buffer(p, 8); |
buffer(p, 8); |
} |
} |
|
if (p->bold) { |
|
buffer(p, c); |
|
buffer(p, 8); |
|
} |
} |
} |
buffer(p, c); |
buffer(p, c); |
} |
} |
|
|
|
|
|
size_t |
|
term_vspan(const struct roffsu *su) |
|
{ |
|
double r; |
|
|
|
switch (su->unit) { |
|
case (SCALE_CM): |
|
r = su->scale * 2; |
|
break; |
|
case (SCALE_IN): |
|
r = su->scale * 6; |
|
break; |
|
case (SCALE_PC): |
|
r = su->scale; |
|
break; |
|
case (SCALE_PT): |
|
r = su->scale / 8; |
|
break; |
|
case (SCALE_MM): |
|
r = su->scale / 1000; |
|
break; |
|
case (SCALE_VS): |
|
r = su->scale; |
|
break; |
|
default: |
|
r = su->scale - 1; |
|
break; |
|
} |
|
|
|
if (r < 0.0) |
|
r = 0.0; |
|
return(/* LINTED */(size_t) |
|
r); |
|
} |
|
|
|
|
|
size_t |
|
term_hspan(const struct roffsu *su) |
|
{ |
|
double r; |
|
|
|
/* XXX: CM, IN, and PT are approximations. */ |
|
|
|
switch (su->unit) { |
|
case (SCALE_CM): |
|
r = 4 * su->scale; |
|
break; |
|
case (SCALE_IN): |
|
/* XXX: this is an approximation. */ |
|
r = 10 * su->scale; |
|
break; |
|
case (SCALE_PC): |
|
r = (10 * su->scale) / 6; |
|
break; |
|
case (SCALE_PT): |
|
r = (10 * su->scale) / 72; |
|
break; |
|
case (SCALE_MM): |
|
r = su->scale / 1000; /* FIXME: double-check. */ |
|
break; |
|
case (SCALE_VS): |
|
r = su->scale * 2 - 1; /* FIXME: double-check. */ |
|
break; |
|
default: |
|
r = su->scale; |
|
break; |
|
} |
|
|
|
if (r < 0.0) |
|
r = 0.0; |
|
return((size_t)/* LINTED */ |
|
r); |
|
} |
|
|
|
|