version 1.10, 2009/02/25 12:27:37 |
version 1.16, 2009/02/27 08:20:15 |
|
|
/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> |
* |
* |
|
|
#include "mmain.h" |
#include "mmain.h" |
#include "term.h" |
#include "term.h" |
|
|
|
#define TERMSYM_RBRACK "]" |
|
#define TERMSYM_LBRACK "[" |
|
#define TERMSYM_LARROW "<-" |
|
#define TERMSYM_RARROW "->" |
|
#define TERMSYM_UARROW "^" |
|
#define TERMSYM_LSQUOTE "`" |
|
#define TERMSYM_RSQUOTE "\'" |
|
#define TERMSYM_SQUOTE "\'" |
|
#define TERMSYM_LDQUOTE "``" |
|
#define TERMSYM_RDQUOTE "\'\'" |
|
#define TERMSYM_DQUOTE "\"" |
|
#define TERMSYM_LT "<" |
|
#define TERMSYM_GT ">" |
|
#define TERMSYM_LE "<=" |
|
#define TERMSYM_GE ">=" |
|
#define TERMSYM_EQ "==" |
|
#define TERMSYM_NEQ "!=" |
|
#define TERMSYM_ACUTE "\'" |
|
#define TERMSYM_GRAVE "`" |
|
#define TERMSYM_PI "pi" |
|
#define TERMSYM_PLUSMINUS "+=" |
|
#define TERMSYM_INFINITY "infinity" |
|
#define TERMSYM_NAN "NaN" |
|
#define TERMSYM_BAR "|" |
|
#define TERMSYM_BULLET "o" |
|
|
#ifdef __NetBSD__ |
#ifdef __NetBSD__ |
#define xisspace(x) isspace((int)(x)) |
#define xisspace(x) isspace((int)(x)) |
#else |
#else |
|
|
}; |
}; |
|
|
static void body(struct termp *, |
static void body(struct termp *, |
|
struct termpair *, |
const struct mdoc_meta *, |
const struct mdoc_meta *, |
const struct mdoc_node *); |
const struct mdoc_node *); |
static void header(struct termp *, |
static void header(struct termp *, |
Line 54 static void footer(struct termp *, |
|
Line 81 static void footer(struct termp *, |
|
static void pword(struct termp *, const char *, size_t); |
static void pword(struct termp *, const char *, size_t); |
static void pescape(struct termp *, |
static void pescape(struct termp *, |
const char *, size_t *, size_t); |
const char *, size_t *, size_t); |
|
static void nescape(struct termp *, |
|
const char *, size_t); |
static void chara(struct termp *, char); |
static void chara(struct termp *, char); |
static void stringa(struct termp *, const char *); |
static void stringa(struct termp *, const char *); |
static void style(struct termp *, enum termstyle); |
static void style(struct termp *, enum termstyle); |
Line 89 main(int argc, char *argv[]) |
|
Line 118 main(int argc, char *argv[]) |
|
err(1, "malloc"); |
err(1, "malloc"); |
|
|
header(&termp, mdoc_meta(mdoc)); |
header(&termp, mdoc_meta(mdoc)); |
body(&termp, mdoc_meta(mdoc), mdoc_node(mdoc)); |
body(&termp, NULL, mdoc_meta(mdoc), mdoc_node(mdoc)); |
footer(&termp, mdoc_meta(mdoc)); |
footer(&termp, mdoc_meta(mdoc)); |
|
|
free(termp.buf); |
free(termp.buf); |
Line 130 flushln(struct termp *p) |
|
Line 159 flushln(struct termp *p) |
|
* If we're literal, print out verbatim. |
* If we're literal, print out verbatim. |
*/ |
*/ |
if (p->flags & TERMP_LITERAL) { |
if (p->flags & TERMP_LITERAL) { |
/* FIXME: count non-printing chars. */ |
|
for (i = 0; i < p->col; i++) |
for (i = 0; i < p->col; i++) |
putchar(p->buf[i]); |
putchar(p->buf[i]); |
putchar('\n'); |
putchar('\n'); |
Line 165 flushln(struct termp *p) |
|
Line 193 flushln(struct termp *p) |
|
* the line with TERMP_NOBREAK). |
* the line with TERMP_NOBREAK). |
*/ |
*/ |
|
|
if (vis && vis + vsz >= maxvis) { |
/* FIXME: allow selective right-margin breaking. */ |
/* FIXME */ |
|
|
if (vis && vis + vsz > maxvis) { |
if (p->flags & TERMP_NOBREAK) |
if (p->flags & TERMP_NOBREAK) |
errx(1, "word breaks right margin"); |
errx(1, "word breaks right margin"); |
putchar('\n'); |
putchar('\n'); |
for (j = 0; j < p->offset; j++) |
for (j = 0; j < p->offset; j++) |
putchar(' '); |
putchar(' '); |
vis = 0; |
vis = 0; |
} else if (vis + vsz >= maxvis) |
} else if (vis + vsz > maxvis) |
/* FIXME */ |
|
errx(1, "word breaks right margin"); |
errx(1, "word breaks right margin"); |
|
|
/* |
/* |
Line 200 flushln(struct termp *p) |
|
Line 228 flushln(struct termp *p) |
|
*/ |
*/ |
|
|
if (p->flags & TERMP_NOBREAK) { |
if (p->flags & TERMP_NOBREAK) { |
for ( ; vis <= maxvis; vis++) |
if ( ! (p->flags & TERMP_NORPAD)) |
putchar(' '); |
for ( ; vis < maxvis; vis++) |
|
putchar(' '); |
} else |
} else |
putchar('\n'); |
putchar('\n'); |
|
|
Line 218 newln(struct termp *p) |
|
Line 247 newln(struct termp *p) |
|
* vertical space. |
* vertical space. |
*/ |
*/ |
p->flags |= TERMP_NOSPACE; |
p->flags |= TERMP_NOSPACE; |
if (0 == p->col) |
if (0 == p->col) { |
|
p->flags &= ~TERMP_NOLPAD; |
return; |
return; |
|
} |
flushln(p); |
flushln(p); |
|
p->flags &= ~TERMP_NOLPAD; |
} |
} |
|
|
|
|
|
|
chara(struct termp *p, char c) |
chara(struct termp *p, char c) |
{ |
{ |
|
|
/* TODO: dynamically expand the buffer. */ |
/* |
if (p->col + 1 >= p->maxcols) |
* Insert a single character into the line-buffer. If the |
errx(1, "line overrun"); |
* buffer's space is exceeded, then allocate more space. |
|
*/ |
|
if (p->col + 1 >= p->maxcols) { |
|
p->buf = realloc(p->buf, p->maxcols * 2); |
|
if (NULL == p->buf) |
|
err(1, "malloc"); |
|
p->maxcols *= 2; |
|
} |
p->buf[(p->col)++] = c; |
p->buf[(p->col)++] = c; |
} |
} |
|
|
Line 286 style(struct termp *p, enum termstyle esc) |
|
Line 325 style(struct termp *p, enum termstyle esc) |
|
|
|
|
|
static void |
static void |
|
nescape(struct termp *p, const char *word, size_t len) |
|
{ |
|
|
|
switch (len) { |
|
case (1): |
|
if ('q' == word[0]) |
|
stringa(p, TERMSYM_DQUOTE); |
|
break; |
|
case (2): |
|
if ('r' == word[0] && 'B' == word[1]) |
|
stringa(p, TERMSYM_RBRACK); |
|
else if ('l' == word[0] && 'B' == word[1]) |
|
stringa(p, TERMSYM_LBRACK); |
|
else if ('<' == word[0] && '-' == word[1]) |
|
stringa(p, TERMSYM_LARROW); |
|
else if ('-' == word[0] && '>' == word[1]) |
|
stringa(p, TERMSYM_RARROW); |
|
else if ('l' == word[0] && 'q' == word[1]) |
|
stringa(p, TERMSYM_DQUOTE); |
|
else if ('r' == word[0] && 'q' == word[1]) |
|
stringa(p, TERMSYM_DQUOTE); |
|
else if ('b' == word[0] && 'u' == word[1]) |
|
stringa(p, TERMSYM_BULLET); |
|
else if ('L' == word[0] && 'e' == word[1]) |
|
stringa(p, TERMSYM_LE); |
|
else if ('<' == word[0] && '=' == word[1]) |
|
stringa(p, TERMSYM_LE); |
|
else if ('G' == word[0] && 'e' == word[1]) |
|
stringa(p, TERMSYM_GE); |
|
else if ('>' == word[0] && '=' == word[1]) |
|
stringa(p, TERMSYM_GE); |
|
else if ('R' == word[0] && 'q' == word[1]) |
|
stringa(p, TERMSYM_RDQUOTE); |
|
else if ('L' == word[0] && 'q' == word[1]) |
|
stringa(p, TERMSYM_LDQUOTE); |
|
else if ('u' == word[0] && 'a' == word[1]) |
|
stringa(p, TERMSYM_UARROW); |
|
else if ('a' == word[0] && 'a' == word[1]) |
|
stringa(p, TERMSYM_ACUTE); |
|
else if ('g' == word[0] && 'a' == word[1]) |
|
stringa(p, TERMSYM_GRAVE); |
|
else if ('P' == word[0] && 'i' == word[1]) |
|
stringa(p, TERMSYM_PI); |
|
else if ('N' == word[0] && 'e' == word[1]) |
|
stringa(p, TERMSYM_NEQ); |
|
else if ('L' == word[0] && 't' == word[1]) |
|
stringa(p, TERMSYM_LT); |
|
else if ('G' == word[0] && 't' == word[1]) |
|
stringa(p, TERMSYM_GT); |
|
else if ('P' == word[0] && 'm' == word[1]) |
|
stringa(p, TERMSYM_PLUSMINUS); |
|
else if ('I' == word[0] && 'f' == word[1]) |
|
stringa(p, TERMSYM_INFINITY); |
|
else if ('N' == word[0] && 'a' == word[1]) |
|
stringa(p, TERMSYM_NAN); |
|
else if ('B' == word[0] && 'a' == word[1]) |
|
stringa(p, TERMSYM_BAR); |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
|
|
static void |
pescape(struct termp *p, const char *word, size_t *i, size_t len) |
pescape(struct termp *p, const char *word, size_t *i, size_t len) |
{ |
{ |
|
size_t j; |
|
|
(*i)++; |
(*i)++; |
assert(*i < len); |
assert(*i < len); |
|
|
|
/* |
|
* Handle an escape sequence. This must manage both groff-style |
|
* escapes and mdoc-style escapes. |
|
*/ |
|
|
if ('(' == word[*i]) { |
if ('(' == word[*i]) { |
/* Two-character escapes. */ |
/* Two-character escapes. */ |
(*i)++; |
(*i)++; |
assert(*i + 1 < len); |
assert(*i + 1 < len); |
|
nescape(p, &word[*i], 2); |
|
(*i)++; |
|
return; |
|
|
if ('r' == word[*i] && 'B' == word[*i + 1]) |
} else if ('*' == word[*i]) { |
chara(p, ']'); |
|
else if ('l' == word[*i] && 'B' == word[*i + 1]) |
|
chara(p, '['); |
|
else if ('<' == word[*i] && '-' == word[*i + 1]) |
|
stringa(p, "<-"); |
|
else if ('-' == word[*i] && '>' == word[*i + 1]) |
|
stringa(p, "->"); |
|
else if ('l' == word[*i] && 'q' == word[*i + 1]) |
|
chara(p, '\"'); |
|
else if ('r' == word[*i] && 'q' == word[*i + 1]) |
|
chara(p, '\"'); |
|
|
|
(*i)++; |
(*i)++; |
|
assert(*i < len); |
|
switch (word[*i]) { |
|
case ('('): |
|
(*i)++; |
|
assert(*i + 1 < len); |
|
nescape(p, &word[*i], 2); |
|
(*i)++; |
|
return; |
|
default: |
|
break; |
|
} |
|
nescape(p, &word[*i], 1); |
return; |
return; |
|
|
} else if ('[' != word[*i]) { |
} else if ('[' != word[*i]) { |
Line 324 pescape(struct termp *p, const char *word, size_t *i, |
|
Line 437 pescape(struct termp *p, const char *word, size_t *i, |
|
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case ('-'): |
case ('-'): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
|
case (' '): |
|
/* FALLTHROUGH */ |
case ('.'): |
case ('.'): |
chara(p, word[*i]); |
chara(p, word[*i]); |
default: |
default: |
Line 331 pescape(struct termp *p, const char *word, size_t *i, |
|
Line 446 pescape(struct termp *p, const char *word, size_t *i, |
|
} |
} |
return; |
return; |
} |
} |
/* n-character escapes. */ |
|
|
(*i)++; |
|
for (j = 0; word[*i] && ']' != word[*i]; (*i)++, j++) |
|
/* Loop... */ ; |
|
|
|
nescape(p, &word[*i - j], j); |
} |
} |
|
|
|
|
Line 342 pword(struct termp *p, const char *word, size_t len) |
|
Line 462 pword(struct termp *p, const char *word, size_t len) |
|
|
|
/*assert(len > 0);*/ /* Can be, if literal. */ |
/*assert(len > 0);*/ /* Can be, if literal. */ |
|
|
|
/* |
|
* Handle pwords, partial words, which may be either a single |
|
* word or a phrase that cannot be broken down (such as a |
|
* literal string). This handles word styling. |
|
*/ |
|
|
if ( ! (p->flags & TERMP_NOSPACE) && |
if ( ! (p->flags & TERMP_NOSPACE) && |
! (p->flags & TERMP_LITERAL)) |
! (p->flags & TERMP_LITERAL)) |
chara(p, ' '); |
chara(p, ' '); |
|
|
p->flags &= ~TERMP_NOSPACE; |
if ( ! (p->flags & TERMP_NONOSPACE)) |
|
p->flags &= ~TERMP_NOSPACE; |
|
|
|
/* |
|
* XXX - if literal and underlining, this will underline the |
|
* spaces between literal words. |
|
*/ |
|
|
if (p->flags & TERMP_BOLD) |
if (p->flags & TERMP_BOLD) |
style(p, STYLE_BOLD); |
style(p, STYLE_BOLD); |
if (p->flags & TERMP_UNDERLINE) |
if (p->flags & TERMP_UNDERLINE) |
Line 372 word(struct termp *p, const char *word) |
|
Line 504 word(struct termp *p, const char *word) |
|
{ |
{ |
size_t i, j, len; |
size_t i, j, len; |
|
|
|
/* |
|
* Break apart a word into tokens. If we're a literal word, |
|
* then don't. This doesn't handle zero-length words (there |
|
* should be none) and makes sure that pword doesn't get spaces |
|
* or nil words unless literal. |
|
*/ |
|
|
if (p->flags & TERMP_LITERAL) { |
if (p->flags & TERMP_LITERAL) { |
pword(p, word, strlen(word)); |
pword(p, word, strlen(word)); |
return; |
return; |
Line 406 word(struct termp *p, const char *word) |
|
Line 545 word(struct termp *p, const char *word) |
|
|
|
|
|
static void |
static void |
body(struct termp *p, const struct mdoc_meta *meta, |
body(struct termp *p, struct termpair *ppair, |
|
const struct mdoc_meta *meta, |
const struct mdoc_node *node) |
const struct mdoc_node *node) |
{ |
{ |
int dochild; |
int dochild; |
struct termpair pair; |
struct termpair pair; |
|
|
|
/* |
|
* This is the main function for printing out nodes. It's |
|
* constituted of PRE and POST functions, which correspond to |
|
* prefix and infix processing. |
|
*/ |
|
|
/* Pre-processing. */ |
/* Pre-processing. */ |
|
|
dochild = 1; |
dochild = 1; |
|
pair.ppair = ppair; |
pair.type = 0; |
pair.type = 0; |
pair.offset = 0; |
pair.offset = pair.rmargin = 0; |
pair.flag = 0; |
pair.flag = 0; |
|
pair.count = 0; |
|
|
if (MDOC_TEXT != node->type) { |
if (MDOC_TEXT != node->type) { |
if (termacts[node->tok].pre) |
if (termacts[node->tok].pre) |
Line 432 body(struct termp *p, const struct mdoc_meta *meta, |
|
Line 580 body(struct termp *p, const struct mdoc_meta *meta, |
|
p->flags |= pair.flag; |
p->flags |= pair.flag; |
|
|
if (dochild && node->child) |
if (dochild && node->child) |
body(p, meta, node->child); |
body(p, &pair, meta, node->child); |
|
|
if (TERMPAIR_FLAG & pair.type) |
if (TERMPAIR_FLAG & pair.type) |
p->flags &= ~pair.flag; |
p->flags &= ~pair.flag; |
Line 446 body(struct termp *p, const struct mdoc_meta *meta, |
|
Line 594 body(struct termp *p, const struct mdoc_meta *meta, |
|
/* Siblings. */ |
/* Siblings. */ |
|
|
if (node->next) |
if (node->next) |
body(p, meta, node->next); |
body(p, ppair, meta, node->next); |
} |
} |
|
|
|
|
Line 455 footer(struct termp *p, const struct mdoc_meta *meta) |
|
Line 603 footer(struct termp *p, const struct mdoc_meta *meta) |
|
{ |
{ |
struct tm *tm; |
struct tm *tm; |
char *buf, *os; |
char *buf, *os; |
size_t sz, osz, ssz, i; |
|
|
|
if (NULL == (buf = malloc(p->rmargin))) |
if (NULL == (buf = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
Line 471 footer(struct termp *p, const struct mdoc_meta *meta) |
|
Line 618 footer(struct termp *p, const struct mdoc_meta *meta) |
|
#endif |
#endif |
err(1, "strftime"); |
err(1, "strftime"); |
|
|
osz = strlcpy(os, meta->os, p->rmargin); |
(void)strlcpy(os, meta->os, p->rmargin); |
|
|
sz = strlen(buf); |
/* |
ssz = sz + osz + 1; |
* This is /slightly/ different from regular groff output |
|
* because we don't have page numbers. Print the following: |
|
* |
|
* OS MDOCDATE |
|
*/ |
|
|
if (ssz > p->rmargin) { |
vspace(p); |
ssz -= p->rmargin; |
|
assert(ssz <= osz); |
|
os[osz - ssz] = 0; |
|
ssz = 1; |
|
} else |
|
ssz = p->rmargin - ssz + 1; |
|
|
|
printf("\n"); |
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; |
printf("%s", os); |
p->rmargin = p->maxrmargin - strlen(buf); |
for (i = 0; i < ssz; i++) |
p->offset = 0; |
printf(" "); |
|
|
|
printf("%s\n", buf); |
word(p, os); |
fflush(stdout); |
flushln(p); |
|
|
|
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; |
|
p->offset = p->rmargin; |
|
p->rmargin = p->maxrmargin; |
|
p->flags &= ~TERMP_NOBREAK; |
|
|
|
word(p, buf); |
|
flushln(p); |
|
|
free(buf); |
free(buf); |
free(os); |
free(os); |
} |
} |
Line 500 footer(struct termp *p, const struct mdoc_meta *meta) |
|
Line 652 footer(struct termp *p, const struct mdoc_meta *meta) |
|
static void |
static void |
header(struct termp *p, const struct mdoc_meta *meta) |
header(struct termp *p, const struct mdoc_meta *meta) |
{ |
{ |
char *buf, *title; |
char *buf, *title, *bufp; |
const char *pp, *msec; |
const char *pp; |
size_t ssz, tsz, ttsz, i;; |
|
|
|
if (NULL == (buf = malloc(p->rmargin))) |
if (NULL == (buf = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
Line 539 header(struct termp *p, const struct mdoc_meta *meta) |
|
Line 690 header(struct termp *p, const struct mdoc_meta *meta) |
|
pp = mdoc_msec2a(MSEC_local); |
pp = mdoc_msec2a(MSEC_local); |
break; |
break; |
} |
} |
assert(pp); |
|
|
|
tsz = strlcpy(buf, pp, p->rmargin); |
/* |
assert(tsz < p->rmargin); |
* The header is strange. It has three components, which are |
|
* really two with the first duplicated. It goes like this: |
|
* |
|
* IDENTIFIER TITLE IDENTIFIER |
|
* |
|
* The IDENTIFIER is NAME(SECTION), which is the command-name |
|
* (if given, or "unknown" if not) followed by the manual page |
|
* section. These are given in `Dt'. The TITLE is a free-form |
|
* string depending on the manual volume. If not specified, it |
|
* switches on the manual section. |
|
*/ |
|
|
if ((pp = mdoc_arch2a(meta->arch))) { |
if (mdoc_arch2a(meta->arch)) |
tsz = strlcat(buf, " (", p->rmargin); |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
assert(tsz < p->rmargin); |
pp, mdoc_arch2a(meta->arch)); |
tsz = strlcat(buf, pp, p->rmargin); |
else |
assert(tsz < p->rmargin); |
(void)strlcpy(buf, pp, p->rmargin); |
tsz = strlcat(buf, ")", p->rmargin); |
|
assert(tsz < p->rmargin); |
|
} |
|
|
|
ttsz = strlcpy(title, meta->title, p->rmargin); |
pp = mdoc_msec2a(meta->msec); |
|
|
if (NULL == (msec = mdoc_msec2a(meta->msec))) |
(void)snprintf(title, p->rmargin, "%s(%s)", |
msec = ""; |
meta->title, pp ? pp : ""); |
|
|
ssz = (2 * (ttsz + 2 + strlen(msec))) + tsz + 2; |
for (bufp = title; *bufp; bufp++) |
|
*bufp = toupper(*bufp); |
if (ssz > p->rmargin) { |
|
if ((ssz -= p->rmargin) % 2) |
|
ssz++; |
|
ssz /= 2; |
|
|
|
assert(ssz <= ttsz); |
p->offset = 0; |
title[ttsz - ssz] = 0; |
p->rmargin = (p->maxrmargin - strlen(buf)) / 2; |
ssz = 1; |
p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; |
} else |
|
ssz = ((p->rmargin - ssz) / 2) + 1; |
|
|
|
printf("%s(%s)", title, msec); |
word(p, title); |
|
flushln(p); |
|
|
for (i = 0; i < ssz; i++) |
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; |
printf(" "); |
p->offset = p->rmargin; |
|
p->rmargin = p->maxrmargin - strlen(title); |
|
|
printf("%s", buf); |
word(p, buf); |
|
flushln(p); |
|
|
for (i = 0; i < ssz; i++) |
p->offset = p->rmargin; |
printf(" "); |
p->rmargin = p->maxrmargin; |
|
p->flags &= ~TERMP_NOBREAK; |
|
p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; |
|
|
printf("%s(%s)\n", title, msec); |
word(p, title); |
fflush(stdout); |
flushln(p); |
|
|
|
p->rmargin = p->maxrmargin; |
|
p->offset = 0; |
|
p->flags &= ~TERMP_NOSPACE; |
|
|
free(title); |
free(title); |
free(buf); |
free(buf); |