version 1.27, 2009/03/03 21:07:01 |
version 1.42, 2009/03/14 12:35:02 |
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
* PERFORMANCE OF THIS SOFTWARE. |
* PERFORMANCE OF THIS SOFTWARE. |
*/ |
*/ |
#include <sys/utsname.h> |
#include <sys/types.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
#ifndef __OpenBSD__ |
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#include <time.h> |
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#endif |
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#include "mmain.h" |
#include "mmain.h" |
#include "term.h" |
#include "term.h" |
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struct termenc { |
struct termseq { |
const char *enc; |
const char *enc; |
int sym; |
int sym; |
}; |
}; |
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static int option(void *, int, const char *); |
static void body(struct termp *, |
static void body(struct termp *, |
struct termpair *, |
struct termpair *, |
const struct mdoc_meta *, |
const struct mdoc_meta *, |
Line 55 static void chara(struct termp *, char); |
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Line 53 static void chara(struct termp *, char); |
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static void stringa(struct termp *, |
static void stringa(struct termp *, |
const char *, size_t); |
const char *, size_t); |
static void symbola(struct termp *, enum tsym); |
static void symbola(struct termp *, enum tsym); |
static void stylea(struct termp *, enum tstyle); |
static void sanity(const struct mdoc_node *); |
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#ifdef __linux__ |
#ifdef __linux__ |
extern size_t strlcat(char *, const char *, size_t); |
extern size_t strlcat(char *, const char *, size_t); |
extern size_t strlcpy(char *, const char *, size_t); |
extern size_t strlcpy(char *, const char *, size_t); |
#endif |
#endif |
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static struct termenc termenc1[] = { |
static struct termseq termenc1[] = { |
{ "\\", TERMSYM_SLASH }, |
{ "\\", TERMSYM_SLASH }, |
{ "\'", TERMSYM_RSQUOTE }, |
{ "\'", TERMSYM_RSQUOTE }, |
{ "`", TERMSYM_LSQUOTE }, |
{ "`", TERMSYM_LSQUOTE }, |
Line 72 static struct termenc termenc1[] = { |
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Line 70 static struct termenc termenc1[] = { |
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{ "&", TERMSYM_BREAK }, |
{ "&", TERMSYM_BREAK }, |
{ "e", TERMSYM_SLASH }, |
{ "e", TERMSYM_SLASH }, |
{ "q", TERMSYM_DQUOTE }, |
{ "q", TERMSYM_DQUOTE }, |
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{ "|", TERMSYM_BREAK }, |
{ NULL, 0 } |
{ NULL, 0 } |
}; |
}; |
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static struct termenc termenc2[] = { |
static struct termseq termenc2[] = { |
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{ "rC", TERMSYM_RBRACE }, |
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{ "lC", TERMSYM_LBRACE }, |
{ "rB", TERMSYM_RBRACK }, |
{ "rB", TERMSYM_RBRACK }, |
{ "lB", TERMSYM_LBRACK }, |
{ "lB", TERMSYM_LBRACK }, |
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{ "ra", TERMSYM_RANGLE }, |
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{ "la", TERMSYM_LANGLE }, |
{ "Lq", TERMSYM_LDQUOTE }, |
{ "Lq", TERMSYM_LDQUOTE }, |
{ "lq", TERMSYM_LDQUOTE }, |
{ "lq", TERMSYM_LDQUOTE }, |
{ "Rq", TERMSYM_RDQUOTE }, |
{ "Rq", TERMSYM_RDQUOTE }, |
Line 99 static struct termenc termenc2[] = { |
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Line 102 static struct termenc termenc2[] = { |
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{ "Le", TERMSYM_LE }, |
{ "Le", TERMSYM_LE }, |
{ "<=", TERMSYM_LE }, |
{ "<=", TERMSYM_LE }, |
{ "Ge", TERMSYM_GE }, |
{ "Ge", TERMSYM_GE }, |
{ "=>", TERMSYM_GE }, |
{ ">=", TERMSYM_GE }, |
{ "==", TERMSYM_EQ }, |
{ "==", TERMSYM_EQ }, |
{ "Ne", TERMSYM_NEQ }, |
{ "Ne", TERMSYM_NEQ }, |
{ "!=", TERMSYM_NEQ }, |
{ "!=", TERMSYM_NEQ }, |
Line 123 static struct termenc termenc2[] = { |
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Line 126 static struct termenc termenc2[] = { |
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{ NULL, 0 } |
{ NULL, 0 } |
}; |
}; |
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static struct termsym termsym_ansi[] = { |
static struct termsym termsym_ascii[TERMSYM_MAX] = { |
{ "]", 1 }, /* TERMSYM_RBRACK */ |
{ "]", 1 }, /* TERMSYM_RBRACK */ |
{ "[", 1 }, /* TERMSYM_LBRACK */ |
{ "[", 1 }, /* TERMSYM_LBRACK */ |
{ "<-", 2 }, /* TERMSYM_LARROW */ |
{ "<-", 2 }, /* TERMSYM_LARROW */ |
Line 161 static struct termsym termsym_ansi[] = { |
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Line 164 static struct termsym termsym_ansi[] = { |
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{ " ", 1 }, /* TERMSYM_SPACE */ |
{ " ", 1 }, /* TERMSYM_SPACE */ |
{ ".", 1 }, /* TERMSYM_PERIOD */ |
{ ".", 1 }, /* TERMSYM_PERIOD */ |
{ "", 0 }, /* TERMSYM_BREAK */ |
{ "", 0 }, /* TERMSYM_BREAK */ |
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{ "<", 1 }, /* TERMSYM_LANGLE */ |
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{ ">", 1 }, /* TERMSYM_RANGLE */ |
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{ "{", 1 }, /* TERMSYM_LBRACE */ |
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{ "}", 1 }, /* TERMSYM_RBRACE */ |
}; |
}; |
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static const char ansi_clear[] = { 27, '[', '0', 'm' }; |
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static const char ansi_bold[] = { 27, '[', '1', 'm' }; |
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static const char ansi_under[] = { 27, '[', '4', 'm' }; |
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static struct termsym termstyle_ansi[] = { |
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{ ansi_clear, 4 }, |
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{ ansi_bold, 4 }, |
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{ ansi_under, 4 } |
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}; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
struct mmain *p; |
struct mmain *p; |
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int c; |
const struct mdoc *mdoc; |
const struct mdoc *mdoc; |
struct termp termp; |
struct termp termp; |
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(void)memset(&termp, 0, sizeof(struct termp)); |
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termp.maxrmargin = termp.rmargin = 78; /* XXX */ |
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termp.maxcols = 1024; |
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termp.offset = termp.col = 0; |
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termp.flags = TERMP_NOSPACE; |
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termp.symtab = termsym_ascii; |
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termp.enc = TERMENC_ANSI; |
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p = mmain_alloc(); |
p = mmain_alloc(); |
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c = mmain_getopt(p, argc, argv, "[-Ooption...]", |
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"O:", &termp, option); |
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if ( ! mmain_getopt(p, argc, argv, NULL, NULL, NULL, NULL)) |
if (1 != c) |
mmain_exit(p, 1); |
mmain_exit(p, -1 == c ? 1 : 0); |
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if (NULL == (mdoc = mmain_mdoc(p))) |
if (NULL == (mdoc = mmain_mdoc(p))) |
mmain_exit(p, 1); |
mmain_exit(p, 1); |
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termp.maxrmargin = 78; /* XXX */ |
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termp.rmargin = termp.maxrmargin; |
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termp.maxcols = 1024; |
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termp.offset = termp.col = 0; |
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termp.flags = TERMP_NOSPACE; |
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termp.symtab = termsym_ansi; |
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termp.styletab = termstyle_ansi; |
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if (NULL == (termp.buf = malloc(termp.maxcols))) |
if (NULL == (termp.buf = malloc(termp.maxcols))) |
err(1, "malloc"); |
err(1, "malloc"); |
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Line 211 main(int argc, char *argv[]) |
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Line 212 main(int argc, char *argv[]) |
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} |
} |
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int |
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option(void *ptr, int c, const char *arg) |
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{ |
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struct termp *p; |
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p = (struct termp *)ptr; |
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if (0 == strcmp(arg, "nroff")) { |
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p->enc = TERMENC_NROFF; |
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return(1); |
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} else if (0 == strcmp(arg, "ansi")) { |
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p->enc = TERMENC_ANSI; |
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return(1); |
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} |
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warnx("unknown option: -O%s", arg); |
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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 227 main(int argc, char *argv[]) |
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Line 248 main(int argc, char *argv[]) |
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* offset value. This is useful when doing columnar lists where the |
* offset value. This is useful when doing columnar lists where the |
* prior column has right-padded. |
* prior column has right-padded. |
* |
* |
* - TERMP_LITERAL: don't break apart words. Note that a long literal |
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* word will violate the right margin. |
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* |
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* - TERMP_NOBREAK: this is the most important and is used when making |
* - TERMP_NOBREAK: this is the most important and is used when making |
* columns. In short: don't print a newline and instead pad to the |
* columns. In short: don't print a newline and instead pad to the |
* right margin. Used in conjunction with TERMP_NOLPAD. |
* right margin. Used in conjunction with TERMP_NOLPAD. |
Line 283 flushln(struct termp *p) |
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Line 301 flushln(struct termp *p) |
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* space is printed according to regular spacing rules). |
* space is printed according to regular spacing rules). |
*/ |
*/ |
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/* FIXME: make non-ANSI friendly. */ |
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/* LINTED */ |
/* LINTED */ |
for (j = i, vsz = 0; j < p->col; j++) { |
for (j = i, vsz = 0; j < p->col; j++) { |
if (isspace((int)p->buf[j])) |
if (isspace((u_char)p->buf[j])) { |
break; |
break; |
else if (27 == p->buf[j]) { |
} else if (27 == p->buf[j]) { |
assert(j + 4 <= p->col); |
assert(TERMENC_ANSI == p->enc); |
j += 3; |
assert(j + 5 <= p->col); |
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j += 4; |
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} else if (8 == p->buf[j]) { |
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assert(TERMENC_NROFF == p->enc); |
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assert(j + 2 <= p->col); |
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j += 1; |
} else |
} else |
vsz++; |
vsz++; |
} |
} |
Line 320 flushln(struct termp *p) |
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Line 341 flushln(struct termp *p) |
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putchar('\n'); |
putchar('\n'); |
for (j = 0; j < p->rmargin; j++) |
for (j = 0; j < p->rmargin; j++) |
putchar(' '); |
putchar(' '); |
vis = p->rmargin; |
vis = p->rmargin - p->offset; |
} else if (vis + vsz > bp) |
} else if (vis + vsz > bp) |
warnx("word breaks right margin"); |
warnx("word breaks right margin"); |
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Line 334 flushln(struct termp *p) |
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Line 355 flushln(struct termp *p) |
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*/ |
*/ |
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for ( ; i < p->col; i++) { |
for ( ; i < p->col; i++) { |
if (isspace((int)p->buf[i])) |
if (isspace((u_char)p->buf[i])) |
break; |
break; |
putchar(p->buf[i]); |
putchar(p->buf[i]); |
} |
} |
Line 351 flushln(struct termp *p) |
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Line 372 flushln(struct termp *p) |
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*/ |
*/ |
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if ((TERMP_NOBREAK & p->flags) && vis >= maxvis) { |
if ((TERMP_NOBREAK & p->flags) && vis >= maxvis) { |
putchar('\n'); |
if ( ! (TERMP_NONOBREAK & p->flags)) { |
for (i = 0; i < p->rmargin; i++) |
putchar('\n'); |
putchar(' '); |
for (i = 0; i < p->rmargin; i++) |
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putchar(' '); |
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} |
p->col = 0; |
p->col = 0; |
return; |
return; |
} |
} |
Line 364 flushln(struct termp *p) |
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Line 387 flushln(struct termp *p) |
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*/ |
*/ |
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if (p->flags & TERMP_NOBREAK) { |
if (p->flags & TERMP_NOBREAK) { |
for ( ; vis < maxvis; vis++) |
if ( ! (TERMP_NONOBREAK & p->flags)) |
putchar(' '); |
for ( ; vis < maxvis; vis++) |
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putchar(' '); |
} else |
} else |
putchar('\n'); |
putchar('\n'); |
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Line 423 word(struct termp *p, const char *word) |
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Line 447 word(struct termp *p, const char *word) |
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return; |
return; |
} |
} |
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len = strlen(word); |
if (0 == (len = strlen(word))) |
assert(len > 0); |
errx(1, "blank line not in literal context"); |
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if (mdoc_isdelim(word)) { |
if (mdoc_isdelim(word)) { |
if ( ! (p->flags & TERMP_IGNDELIM)) |
if ( ! (p->flags & TERMP_IGNDELIM)) |
Line 434 word(struct termp *p, const char *word) |
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Line 458 word(struct termp *p, const char *word) |
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/* LINTED */ |
/* LINTED */ |
for (j = i = 0; i < len; i++) { |
for (j = i = 0; i < len; i++) { |
if ( ! isspace((int)word[i])) { |
if ( ! isspace((u_char)word[i])) { |
j++; |
j++; |
continue; |
continue; |
} |
} |
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/* Escaped spaces don't delimit... */ |
/* Escaped spaces don't delimit... */ |
if (i > 0 && isspace((int)word[i]) && |
if (i > 0 && isspace((u_char)word[i]) && |
'\\' == word[i - 1]) { |
'\\' == word[i - 1]) { |
j++; |
j++; |
continue; |
continue; |
Line 473 body(struct termp *p, struct termpair *ppair, |
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Line 497 body(struct termp *p, struct termpair *ppair, |
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int dochild; |
int dochild; |
struct termpair pair; |
struct termpair pair; |
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/* Some quick sanity-checking. */ |
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sanity(node); |
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/* Pre-processing. */ |
/* Pre-processing. */ |
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dochild = 1; |
dochild = 1; |
Line 487 body(struct termp *p, struct termpair *ppair, |
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Line 515 body(struct termp *p, struct termpair *ppair, |
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if ( ! (*termacts[node->tok].pre)(p, &pair, meta, node)) |
if ( ! (*termacts[node->tok].pre)(p, &pair, meta, node)) |
dochild = 0; |
dochild = 0; |
} else /* MDOC_TEXT == node->type */ |
} else /* MDOC_TEXT == node->type */ |
word(p, node->data.text.string); |
word(p, node->string); |
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/* Children. */ |
/* Children. */ |
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Line 567 footer(struct termp *p, const struct mdoc_meta *meta) |
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Line 595 footer(struct termp *p, const struct mdoc_meta *meta) |
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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, *bufp, *vbuf; |
char *buf, *title, *bufp; |
const char *pp; |
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struct utsname uts; |
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p->rmargin = p->maxrmargin; |
p->rmargin = p->maxrmargin; |
p->offset = 0; |
p->offset = 0; |
Line 578 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 604 header(struct termp *p, const struct mdoc_meta *meta) |
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err(1, "malloc"); |
err(1, "malloc"); |
if (NULL == (title = malloc(p->rmargin))) |
if (NULL == (title = malloc(p->rmargin))) |
err(1, "malloc"); |
err(1, "malloc"); |
if (NULL == (vbuf = malloc(p->rmargin))) |
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err(1, "malloc"); |
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if (NULL == (pp = mdoc_vol2a(meta->vol))) { |
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switch (meta->msec) { |
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case (MSEC_1): |
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/* FALLTHROUGH */ |
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case (MSEC_6): |
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/* FALLTHROUGH */ |
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case (MSEC_7): |
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pp = mdoc_vol2a(VOL_URM); |
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break; |
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case (MSEC_8): |
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pp = mdoc_vol2a(VOL_SMM); |
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break; |
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case (MSEC_2): |
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/* FALLTHROUGH */ |
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case (MSEC_3): |
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/* FALLTHROUGH */ |
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case (MSEC_4): |
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/* FALLTHROUGH */ |
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case (MSEC_5): |
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pp = mdoc_vol2a(VOL_PRM); |
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break; |
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case (MSEC_9): |
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pp = mdoc_vol2a(VOL_KM); |
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break; |
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default: |
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break; |
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} |
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} |
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vbuf[0] = 0; |
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if (pp) { |
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if (-1 == uname(&uts)) |
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err(1, "uname"); |
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(void)strlcat(vbuf, uts.sysname, p->rmargin); |
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(void)strlcat(vbuf, " ", p->rmargin); |
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} else if (NULL == (pp = mdoc_msec2a(meta->msec))) |
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pp = mdoc_msec2a(MSEC_local); |
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(void)strlcat(vbuf, pp, p->rmargin); |
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/* |
/* |
* The header is strange. It has three components, which are |
* The header is strange. It has three components, which are |
* really two with the first duplicated. It goes like this: |
* really two with the first duplicated. It goes like this: |
Line 634 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 618 header(struct termp *p, const struct mdoc_meta *meta) |
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* switches on the manual section. |
* switches on the manual section. |
*/ |
*/ |
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if (mdoc_arch2a(meta->arch)) |
assert(meta->vol); |
(void)snprintf(buf, p->rmargin, "%s (%s)", |
(void)strlcpy(buf, meta->vol, p->rmargin); |
vbuf, mdoc_arch2a(meta->arch)); |
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else |
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(void)strlcpy(buf, vbuf, p->rmargin); |
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pp = mdoc_msec2a(meta->msec); |
if (meta->arch) { |
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(void)strlcat(buf, " (", p->rmargin); |
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(void)strlcat(buf, meta->arch, p->rmargin); |
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(void)strlcat(buf, ")", p->rmargin); |
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} |
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(void)snprintf(title, p->rmargin, "%s(%s)", |
(void)snprintf(title, p->rmargin, "%s(%d)", |
meta->title, pp ? pp : ""); |
meta->title, meta->msec); |
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for (bufp = title; *bufp; bufp++) |
for (bufp = title; *bufp; bufp++) |
*bufp = toupper(*bufp); |
*bufp = toupper((u_char)*bufp); |
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p->offset = 0; |
p->offset = 0; |
p->rmargin = (p->maxrmargin - strlen(buf)) / 2; |
p->rmargin = (p->maxrmargin - strlen(buf)) / 2; |
Line 675 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 660 header(struct termp *p, const struct mdoc_meta *meta) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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free(title); |
free(title); |
free(vbuf); |
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free(buf); |
free(buf); |
} |
} |
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Line 688 header(struct termp *p, const struct mdoc_meta *meta) |
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Line 672 header(struct termp *p, const struct mdoc_meta *meta) |
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static void |
static void |
nescape(struct termp *p, const char *word, size_t len) |
nescape(struct termp *p, const char *word, size_t len) |
{ |
{ |
struct termenc *enc; |
struct termseq *enc; |
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switch (len) { |
switch (len) { |
case (1): |
case (1): |
Line 722 pescape(struct termp *p, const char *word, size_t *i, |
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Line 706 pescape(struct termp *p, const char *word, size_t *i, |
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{ |
{ |
size_t j; |
size_t j; |
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(*i)++; |
if (++(*i) >= len) { |
assert(*i < len); |
warnx("ignoring bad escape sequence"); |
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return; |
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} |
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if ('(' == word[*i]) { |
if ('(' == word[*i]) { |
(*i)++; |
(*i)++; |
assert(*i + 1 < len); |
if (*i + 1 >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i], 2); |
nescape(p, &word[*i], 2); |
(*i)++; |
(*i)++; |
return; |
return; |
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} else if ('*' == word[*i]) { |
} else if ('*' == word[*i]) { |
/* XXX - deprecated! */ |
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(*i)++; |
(*i)++; |
assert(*i < len); |
if (*i >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
switch (word[*i]) { |
switch (word[*i]) { |
case ('('): |
case ('('): |
(*i)++; |
(*i)++; |
assert(*i + 1 < len); |
if (*i + 1 >= len) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i], 2); |
nescape(p, &word[*i], 2); |
(*i)++; |
(*i)++; |
return; |
return; |
Line 759 pescape(struct termp *p, const char *word, size_t *i, |
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Line 753 pescape(struct termp *p, const char *word, size_t *i, |
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for (j = 0; word[*i] && ']' != word[*i]; (*i)++, j++) |
for (j = 0; word[*i] && ']' != word[*i]; (*i)++, j++) |
/* Loop... */ ; |
/* Loop... */ ; |
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assert(word[*i]); |
if (0 == word[*i]) { |
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warnx("ignoring bad escape sequence"); |
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return; |
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} |
nescape(p, &word[*i - j], j); |
nescape(p, &word[*i - j], j); |
} |
} |
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Line 782 pword(struct termp *p, const char *word, size_t len) |
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Line 779 pword(struct termp *p, const char *word, size_t len) |
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p->flags &= ~TERMP_NOSPACE; |
p->flags &= ~TERMP_NOSPACE; |
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/* |
/* |
* XXX - if literal and underlining, this will underline the |
* If ANSI (word-length styling), then apply our style now, |
* spaces between literal words. |
* before the word. |
*/ |
*/ |
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|
if (p->flags & TERMP_BOLD) |
if (TERMENC_ANSI == p->enc && TERMP_STYLE & p->flags) { |
stylea(p, TERMSTYLE_BOLD); |
if (TERMP_BOLD & p->flags) { |
if (p->flags & TERMP_UNDERLINE) |
chara(p, 27); |
stylea(p, TERMSTYLE_UNDER); |
stringa(p, "[01m", 4); |
|
} |
|
if (TERMP_UNDER & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[04m", 4); |
|
} |
|
if (TERMP_RED & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[31m", 4); |
|
} |
|
if (TERMP_GREEN & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[32m", 4); |
|
} |
|
if (TERMP_YELLOW & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[33m", 4); |
|
} |
|
if (TERMP_BLUE & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[34m", 4); |
|
} |
|
if (TERMP_MAGENTA & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[35m", 4); |
|
} |
|
if (TERMP_CYAN & p->flags) { |
|
chara(p, 27); |
|
stringa(p, "[36m", 4); |
|
} |
|
} |
|
|
for (i = 0; i < len; i++) { |
for (i = 0; i < len; i++) { |
if ('\\' == word[i]) { |
if ('\\' == word[i]) { |
pescape(p, word, &i, len); |
pescape(p, word, &i, len); |
continue; |
continue; |
} |
} |
|
|
|
if (TERMENC_NROFF == p->enc && |
|
TERMP_STYLE & p->flags) { |
|
if (TERMP_BOLD & p->flags) { |
|
chara(p, word[i]); |
|
chara(p, 8); |
|
} |
|
if (TERMP_UNDER & p->flags) { |
|
chara(p, '_'); |
|
chara(p, 8); |
|
} |
|
} |
|
|
chara(p, word[i]); |
chara(p, word[i]); |
} |
} |
|
|
if (p->flags & TERMP_BOLD || |
if (TERMENC_ANSI == p->enc && TERMP_STYLE & p->flags) { |
p->flags & TERMP_UNDERLINE) |
chara(p, 27); |
stylea(p, TERMSTYLE_CLEAR); |
stringa(p, "[00m", 4); |
|
} |
} |
} |
|
|
|
|
Line 818 symbola(struct termp *p, enum tsym sym) |
|
Line 859 symbola(struct termp *p, enum tsym sym) |
|
|
|
|
|
/* |
/* |
* Add a style to the output line buffer. |
|
*/ |
|
static void |
|
stylea(struct termp *p, enum tstyle style) |
|
{ |
|
|
|
assert(p->styletab[style].sym); |
|
stringa(p, p->styletab[style].sym, p->styletab[style].sz); |
|
} |
|
|
|
|
|
/* |
|
* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* Like chara() but for arbitrary-length buffers. Resize the buffer by |
* a factor of two (if the buffer is less than that) or the buffer's |
* a factor of two (if the buffer is less than that) or the buffer's |
* size. |
* size. |
Line 874 chara(struct termp *p, char c) |
|
Line 903 chara(struct termp *p, char c) |
|
} |
} |
p->buf[(p->col)++] = c; |
p->buf[(p->col)++] = c; |
} |
} |
|
|
|
|
|
static void |
|
sanity(const struct mdoc_node *n) |
|
{ |
|
|
|
switch (n->type) { |
|
case (MDOC_TEXT): |
|
if (n->child) |
|
errx(1, "regular form violated (1)"); |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (2)"); |
|
if (NULL == n->string) |
|
errx(1, "regular form violated (3)"); |
|
switch (n->parent->type) { |
|
case (MDOC_TEXT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ROOT): |
|
errx(1, "regular form violated (4)"); |
|
/* NOTREACHED */ |
|
default: |
|
break; |
|
} |
|
break; |
|
case (MDOC_ELEM): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (5)"); |
|
switch (n->parent->type) { |
|
case (MDOC_TAIL): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_HEAD): |
|
break; |
|
default: |
|
errx(1, "regular form violated (6)"); |
|
/* NOTREACHED */ |
|
} |
|
if (n->child) switch (n->child->type) { |
|
case (MDOC_TEXT): |
|
break; |
|
default: |
|
errx(1, "regular form violated (7("); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
case (MDOC_HEAD): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TAIL): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (8)"); |
|
if (MDOC_BLOCK != n->parent->type) |
|
errx(1, "regular form violated (9)"); |
|
if (n->child) switch (n->child->type) { |
|
case (MDOC_BLOCK): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ELEM): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TEXT): |
|
break; |
|
default: |
|
errx(1, "regular form violated (a)"); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
case (MDOC_BLOCK): |
|
if (NULL == n->parent) |
|
errx(1, "regular form violated (b)"); |
|
if (NULL == n->child) |
|
errx(1, "regular form violated (c)"); |
|
switch (n->parent->type) { |
|
case (MDOC_ROOT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_HEAD): |
|
/* FALLTHROUGH */ |
|
case (MDOC_BODY): |
|
/* FALLTHROUGH */ |
|
case (MDOC_TAIL): |
|
break; |
|
default: |
|
errx(1, "regular form violated (d)"); |
|
/* NOTREACHED */ |
|
} |
|
switch (n->child->type) { |
|
case (MDOC_ROOT): |
|
/* FALLTHROUGH */ |
|
case (MDOC_ELEM): |
|
errx(1, "regular form violated (e)"); |
|
/* NOTREACHED */ |
|
default: |
|
break; |
|
} |
|
break; |
|
case (MDOC_ROOT): |
|
if (n->parent) |
|
errx(1, "regular form violated (f)"); |
|
if (NULL == n->child) |
|
errx(1, "regular form violated (10)"); |
|
switch (n->child->type) { |
|
case (MDOC_BLOCK): |
|
break; |
|
default: |
|
errx(1, "regular form violated (11)"); |
|
/* NOTREACHED */ |
|
} |
|
break; |
|
} |
|
} |
|
|