version 1.93, 2009/07/24 11:54:25 |
version 1.96, 2009/07/27 13:10:08 |
Line 31 extern int mdoc_run(struct termp *, |
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Line 31 extern int mdoc_run(struct termp *, |
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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 *); |
static void term_pescape(struct termp *, const char **); |
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static void term_nescape(struct termp *, |
static void do_escaped(struct termp *, const char **); |
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static void do_special(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void term_chara(struct termp *, char); |
static void do_reserved(struct termp *, |
static void term_encodea(struct termp *, char); |
const char *, size_t); |
static int term_isopendelim(const char *); |
static void buffer(struct termp *, char); |
static int term_isclosedelim(const char *); |
static void encode(struct termp *, char); |
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static int isopendelim(const char *); |
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static int isclosedelim(const char *); |
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void * |
void * |
Line 110 term_alloc(enum termenc enc) |
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Line 113 term_alloc(enum termenc enc) |
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static int |
static int |
term_isclosedelim(const char *p) |
isclosedelim(const char *p) |
{ |
{ |
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if ( ! (*p && 0 == *(p + 1))) |
if ( ! (*p && 0 == *(p + 1))) |
Line 144 term_isclosedelim(const char *p) |
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Line 147 term_isclosedelim(const char *p) |
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static int |
static int |
term_isopendelim(const char *p) |
isopendelim(const char *p) |
{ |
{ |
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if ( ! (*p && 0 == *(p + 1))) |
if ( ! (*p && 0 == *(p + 1))) |
Line 205 term_isopendelim(const char *p) |
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Line 208 term_isopendelim(const char *p) |
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* Otherwise, the line will break at the right margin. Extremely long |
* Otherwise, the line will break at the right margin. Extremely long |
* lines will cause the system to emit a warning (TODO: hyphenate, if |
* lines will cause the system to emit a warning (TODO: hyphenate, if |
* possible). |
* possible). |
* |
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* FIXME: newline breaks occur (in groff) also occur when a single |
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* space follows a NOBREAK (try `Bl -tag') |
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* |
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* FIXME: there's a newline error where a `Bl -diag' will have a |
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* trailing newline if the line is exactly 73 chars long. |
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*/ |
*/ |
void |
void |
term_flushln(struct termp *p) |
term_flushln(struct termp *p) |
Line 385 term_vspace(struct termp *p) |
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Line 382 term_vspace(struct termp *p) |
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} |
} |
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/* |
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* Determine the symbol indicated by an escape sequences, that is, one |
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* starting with a backslash. Once done, we pass this value into the |
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* output buffer by way of the symbol table. |
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*/ |
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static void |
static void |
term_nescape(struct termp *p, const char *word, size_t len) |
do_special(struct termp *p, const char *word, size_t len) |
{ |
{ |
const char *rhs; |
const char *rhs; |
size_t sz; |
size_t sz; |
Line 399 term_nescape(struct termp *p, const char *word, size_t |
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Line 391 term_nescape(struct termp *p, const char *word, size_t |
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rhs = term_a2ascii(p->symtab, word, len, &sz); |
rhs = term_a2ascii(p->symtab, word, len, &sz); |
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if (rhs) |
if (NULL == rhs) { |
for (i = 0; i < (int)sz; i++) |
#if 1 |
term_encodea(p, rhs[i]); |
fputs("Unknown special character: ", stderr); |
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for (i = 0; i < (int)len; i++) |
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fputc(word[i], stderr); |
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fputc('\n', stderr); |
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#endif |
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return; |
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} |
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for (i = 0; i < (int)sz; i++) |
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encode(p, rhs[i]); |
} |
} |
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static void |
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do_reserved(struct termp *p, const char *word, size_t len) |
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{ |
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const char *rhs; |
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size_t sz; |
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int i; |
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rhs = term_a2res(p->symtab, word, len, &sz); |
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if (NULL == rhs) { |
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#if 0 |
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fputs("Unknown reserved word: ", stderr); |
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for (i = 0; i < (int)len; i++) |
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fputc(word[i], stderr); |
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fputc('\n', stderr); |
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#endif |
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return; |
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} |
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for (i = 0; i < (int)sz; i++) |
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encode(p, rhs[i]); |
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} |
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/* |
/* |
* Handle an escape sequence: determine its length and pass it to the |
* Handle an escape sequence: determine its length and pass it to the |
* escape-symbol look table. Note that we assume mdoc(3) has validated |
* escape-symbol look table. Note that we assume mdoc(3) has validated |
* the escape sequence (we assert upon badly-formed escape sequences). |
* the escape sequence (we assert upon badly-formed escape sequences). |
*/ |
*/ |
static void |
static void |
term_pescape(struct termp *p, const char **word) |
do_escaped(struct termp *p, const char **word) |
{ |
{ |
int j; |
int j; |
const char *wp; |
const char *wp; |
Line 430 term_pescape(struct termp *p, const char **word) |
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Line 453 term_pescape(struct termp *p, const char **word) |
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return; |
return; |
} |
} |
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term_nescape(p, wp, 2); |
do_special(p, wp, 2); |
*word = ++wp; |
*word = ++wp; |
return; |
return; |
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Line 448 term_pescape(struct termp *p, const char **word) |
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Line 471 term_pescape(struct termp *p, const char **word) |
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return; |
return; |
} |
} |
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term_nescape(p, wp, 2); |
do_reserved(p, wp, 2); |
*word = ++wp; |
*word = ++wp; |
return; |
return; |
case ('['): |
case ('['): |
break; |
break; |
default: |
default: |
term_nescape(p, wp, 1); |
do_reserved(p, wp, 1); |
*word = wp; |
*word = wp; |
return; |
return; |
} |
} |
Line 485 term_pescape(struct termp *p, const char **word) |
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Line 508 term_pescape(struct termp *p, const char **word) |
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return; |
return; |
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} else if ('[' != *wp) { |
} else if ('[' != *wp) { |
term_nescape(p, wp, 1); |
do_special(p, wp, 1); |
*word = wp; |
*word = wp; |
return; |
return; |
} |
} |
Line 499 term_pescape(struct termp *p, const char **word) |
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Line 522 term_pescape(struct termp *p, const char **word) |
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return; |
return; |
} |
} |
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term_nescape(p, wp - j, (size_t)j); |
do_special(p, wp - j, (size_t)j); |
*word = wp; |
*word = wp; |
} |
} |
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Line 514 term_word(struct termp *p, const char *word) |
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Line 537 term_word(struct termp *p, const char *word) |
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{ |
{ |
const char *sv; |
const char *sv; |
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if (term_isclosedelim(word)) |
if (isclosedelim(word)) |
if ( ! (TERMP_IGNDELIM & p->flags)) |
if ( ! (TERMP_IGNDELIM & p->flags)) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
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if ( ! (TERMP_NOSPACE & p->flags)) |
if ( ! (TERMP_NOSPACE & p->flags)) |
term_chara(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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/* |
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* If ANSI (word-length styling), then apply our style now, |
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* before the word. |
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*/ |
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for (sv = word; *word; word++) |
for (sv = word; *word; word++) |
if ('\\' != *word) |
if ('\\' != *word) |
term_encodea(p, *word); |
encode(p, *word); |
else |
else |
term_pescape(p, &word); |
do_escaped(p, &word); |
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if (term_isopendelim(sv)) |
if (isopendelim(sv)) |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
} |
} |
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Line 546 term_word(struct termp *p, const char *word) |
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Line 564 term_word(struct termp *p, const char *word) |
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* size. |
* size. |
*/ |
*/ |
static void |
static void |
term_chara(struct termp *p, char c) |
buffer(struct termp *p, char c) |
{ |
{ |
size_t s; |
size_t s; |
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Line 564 term_chara(struct termp *p, char c) |
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Line 582 term_chara(struct termp *p, char c) |
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static void |
static void |
term_encodea(struct termp *p, char c) |
encode(struct termp *p, char c) |
{ |
{ |
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if (' ' != c && TERMP_STYLE & p->flags) { |
if (' ' != c && TERMP_STYLE & p->flags) { |
if (TERMP_BOLD & p->flags) { |
if (TERMP_BOLD & p->flags) { |
term_chara(p, c); |
buffer(p, c); |
term_chara(p, 8); |
buffer(p, 8); |
} |
} |
if (TERMP_UNDER & p->flags) { |
if (TERMP_UNDER & p->flags) { |
term_chara(p, '_'); |
buffer(p, '_'); |
term_chara(p, 8); |
buffer(p, 8); |
} |
} |
} |
} |
term_chara(p, c); |
buffer(p, c); |
} |
} |