version 1.8, 2008/12/04 23:10:51 |
version 1.13, 2008/12/06 13:18:44 |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
#include <err.h> |
#include <err.h> |
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#include <stdarg.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <string.h> |
#include <string.h> |
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size_t pos; |
size_t pos; |
enum md_tok last; |
enum md_tok last; |
void *arg; |
void *arg; |
ml_begintag begintag; |
struct ml_cbs cbs; |
ml_endtag endtag; |
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ml_begin begin; |
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ml_end end; |
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int flags; |
int flags; |
#define ML_OVERRIDE_ONE (1 << 0) |
#define ML_OVERRIDE_ONE (1 << 0) |
#define ML_OVERRIDE_ALL (1 << 1) |
#define ML_OVERRIDE_ALL (1 << 1) |
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void *data; |
}; |
}; |
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Line 82 static int mlg_roffblkbodyin(void *, int, |
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Line 81 static int mlg_roffblkbodyin(void *, int, |
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int *, char **); |
int *, char **); |
static int mlg_roffblkbodyout(void *, int); |
static int mlg_roffblkbodyout(void *, int); |
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static int mlg_endblk(struct md_mlg *, enum md_ns, int); |
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static int mlg_begintag(struct md_mlg *, enum md_ns, |
static int mlg_begintag(struct md_mlg *, enum md_ns, |
int, int *, char **); |
int, int *, char **); |
static int mlg_endtag(struct md_mlg *, enum md_ns, int); |
static int mlg_endtag(struct md_mlg *, enum md_ns, int); |
Line 92 static void mlg_mode(struct md_mlg *, enum md_tok); |
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Line 90 static void mlg_mode(struct md_mlg *, enum md_tok); |
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static int mlg_data(struct md_mlg *, int, |
static int mlg_data(struct md_mlg *, int, |
const char *, char *); |
const char *, char *); |
static void mlg_err(struct md_mlg *, const char *, |
static void mlg_err(struct md_mlg *, const char *, |
const char *, char *); |
const char *, const char *, ...); |
static void mlg_warn(struct md_mlg *, const char *, |
static void mlg_warn(struct md_mlg *, const char *, |
const char *, char *); |
const char *, const char *, ...); |
static void mlg_msg(struct md_mlg *, enum roffmsg, |
static void mlg_msg(struct md_mlg *, enum roffmsg, |
const char *, const char *, char *); |
const char *, const char *, char *); |
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static void mlg_vmsg(struct md_mlg *, enum roffmsg, |
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const char *, const char *, |
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const char *, va_list); |
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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); |
Line 105 extern size_t strlcpy(char *, const char *, size_t); |
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Line 106 extern size_t strlcpy(char *, const char *, size_t); |
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static int |
static int |
mlg_endblk(struct md_mlg *p, enum md_ns ns, int tok) |
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{ |
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p->indent--; |
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if (0 != p->pos) { |
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if ( ! mlg_newline(p)) |
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return(0); |
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if ( ! mlg_indent(p)) |
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return(0); |
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} else if ( ! mlg_indent(p)) |
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return(0); |
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mlg_mode(p, MD_BLK_OUT); |
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if ( ! mlg_endtag(p, ns, tok)) |
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return(0); |
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return(mlg_newline(p)); |
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} |
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static int |
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mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
int *argc, char **argv) |
int *argc, char **argv) |
{ |
{ |
Line 137 mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
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Line 117 mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
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case (MD_NS_INLINE): |
case (MD_NS_INLINE): |
if ( ! (ML_OVERRIDE_ONE & p->flags) && |
if ( ! (ML_OVERRIDE_ONE & p->flags) && |
! (ML_OVERRIDE_ALL & p->flags) && |
! (ML_OVERRIDE_ALL & p->flags) && |
p->pos + 11 > COLUMNS) |
p->pos + 11 >= COLUMNS) |
if ( ! mlg_newline(p)) |
if ( ! mlg_newline(p)) |
return(0); |
return(0); |
if (0 != p->pos && (MD_TEXT == p->last || |
if (0 != p->pos && (MD_TEXT == p->last || |
Line 166 mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
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Line 146 mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, |
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if ( ! ml_nputs(p->mbuf, "<", 1, &p->pos)) |
if ( ! ml_nputs(p->mbuf, "<", 1, &p->pos)) |
return(0); |
return(0); |
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res = (*p->begintag)(p->mbuf, p->args, ns, tok, |
res = (*p->cbs.ml_begintag)(p->mbuf, p->data, p->args, ns, tok, |
argc, (const char **)argv); |
argc, (const char **)argv); |
if (-1 == res) |
if (-1 == res) |
return(0); |
return(0); |
Line 195 mlg_endtag(struct md_mlg *p, enum md_ns ns, int tok) |
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Line 175 mlg_endtag(struct md_mlg *p, enum md_ns ns, int tok) |
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{ |
{ |
ssize_t res; |
ssize_t res; |
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/* TODO: extra rules for block/inline. */ |
assert(MD_NS_DEFAULT != ns); |
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switch (ns) { |
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case (MD_NS_INLINE): |
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break; |
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default: |
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p->indent--; |
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if (0 != p->pos) { |
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if ( ! mlg_newline(p)) |
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return(0); |
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if ( ! mlg_indent(p)) |
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return(0); |
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} else if ( ! mlg_indent(p)) |
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return(0); |
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break; |
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} |
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if ( ! ml_nputs(p->mbuf, "</", 2, &p->pos)) |
if ( ! ml_nputs(p->mbuf, "</", 2, &p->pos)) |
return(0); |
return(0); |
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res = (*p->endtag)(p->mbuf, p->args, ns, tok); |
res = (*p->cbs.ml_endtag)(p->mbuf, p->data, p->args, ns, tok); |
if (-1 == res) |
if (-1 == res) |
return(0); |
return(0); |
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assert(res >= 0); |
assert(res >= 0); |
p->pos += (size_t)res; |
p->pos += (size_t)res; |
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/* TODO: extra rules for block/inline. */ |
if ( ! ml_nputs(p->mbuf, ">", 1, &p->pos)) |
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return(0); |
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switch (ns) { |
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case (MD_NS_INLINE): |
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mlg_mode(p, MD_INLINE_OUT); |
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break; |
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default: |
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mlg_mode(p, MD_BLK_OUT); |
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break; |
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} |
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return(ml_nputs(p->mbuf, ">", 1, &p->pos)); |
return(1); |
} |
} |
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Line 218 mlg_indent(struct md_mlg *p) |
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Line 223 mlg_indent(struct md_mlg *p) |
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{ |
{ |
size_t count; |
size_t count; |
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count = p->indent > MAXINDENT ? (size_t)MAXINDENT : p->indent; |
count = p->indent > MAXINDENT ? |
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(size_t)MAXINDENT : p->indent; |
count *= INDENT; |
count *= INDENT; |
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assert(0 == p->pos); |
assert(0 == p->pos); |
Line 229 mlg_indent(struct md_mlg *p) |
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Line 235 mlg_indent(struct md_mlg *p) |
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static int |
static int |
mlg_newline(struct md_mlg *p) |
mlg_newline(struct md_mlg *p) |
{ |
{ |
size_t dummy; |
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if ( ! ml_nputs(p->mbuf, "\n", 1, &dummy)) |
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return(0); |
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p->pos = 0; |
p->pos = 0; |
return(1); |
return(ml_nputs(p->mbuf, "\n", 1, NULL)); |
} |
} |
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Line 324 mlg_exit(struct md_mlg *p, int flush) |
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Line 327 mlg_exit(struct md_mlg *p, int flush) |
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c = roff_free(p->tree, flush); |
c = roff_free(p->tree, flush); |
free(p); |
free(p); |
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(*p->cbs.ml_free)(p->data); |
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return(c); |
return(c); |
} |
} |
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mlg_alloc(const struct md_args *args, |
mlg_alloc(const struct md_args *args, |
const struct md_rbuf *rbuf, |
const struct md_rbuf *rbuf, |
struct md_mbuf *mbuf, |
struct md_mbuf *mbuf, |
ml_begintag begintag, ml_endtag endtag, |
const struct ml_cbs *cbs) |
ml_begin begin, ml_end end) |
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{ |
{ |
struct roffcb cb; |
struct roffcb cb; |
struct md_mlg *p; |
struct md_mlg *p; |
Line 358 mlg_alloc(const struct md_args *args, |
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Line 363 mlg_alloc(const struct md_args *args, |
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p->args = args; |
p->args = args; |
p->mbuf = mbuf; |
p->mbuf = mbuf; |
p->rbuf = rbuf; |
p->rbuf = rbuf; |
p->begintag = begintag; |
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p->endtag = endtag; |
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p->begin = begin; |
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p->end = end; |
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if (NULL == (p->tree = roff_alloc(&cb, p))) { |
(void)memcpy(&p->cbs, cbs, sizeof(struct ml_cbs)); |
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if (NULL == (p->tree = roff_alloc(&cb, p))) |
free(p); |
free(p); |
return(NULL); |
else if ( ! (*p->cbs.ml_alloc)(&p->data)) |
} |
free(p); |
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else |
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return(p); |
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return(p); |
return(NULL); |
} |
} |
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Line 382 mlg_roffhead(void *arg, const struct tm *tm, const cha |
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Line 387 mlg_roffhead(void *arg, const struct tm *tm, const cha |
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p = (struct md_mlg *)arg; |
p = (struct md_mlg *)arg; |
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mlg_mode(p, MD_BLK_IN); |
mlg_mode(p, MD_BLK_IN); |
if ( ! (*p->begin)(p->mbuf, p->args, tm, os, title, sec, vol)) |
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if ( ! (*p->cbs.ml_begin)(p->mbuf, p->args, tm, os, title, sec, vol)) |
return(0); |
return(0); |
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p->indent++; |
p->indent++; |
Line 398 mlg_rofftail(void *arg) |
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Line 404 mlg_rofftail(void *arg) |
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assert(arg); |
assert(arg); |
p = (struct md_mlg *)arg; |
p = (struct md_mlg *)arg; |
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if (0 != p->pos && ! mlg_newline(p)) |
if (0 != p->pos) |
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if ( ! mlg_newline(p)) |
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return(0); |
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if ( ! (*p->cbs.ml_end)(p->mbuf, p->args)) |
return(0); |
return(0); |
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mlg_mode(p, MD_BLK_OUT); |
mlg_mode(p, MD_BLK_OUT); |
if ( ! (*p->end)(p->mbuf, p->args)) |
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return(0); |
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return(mlg_newline(p)); |
return(mlg_newline(p)); |
} |
} |
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/* ARGSUSED */ |
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static int |
static int |
mlg_roffspecial(void *arg, int tok, const char *start, char **more) |
mlg_roffspecial(void *arg, int tok, const char *start, char **more) |
{ |
{ |
Line 421 mlg_roffspecial(void *arg, int tok, const char *start, |
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Line 428 mlg_roffspecial(void *arg, int tok, const char *start, |
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switch (tok) { |
switch (tok) { |
case (ROFF_Xr): |
case (ROFF_Xr): |
if ( ! *more) { |
if ( ! *more) { |
mlg_err(p, start, start, |
mlg_err(p, start, start, "missing argument"); |
"missing required argument"); |
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return(0); |
return(0); |
} |
} |
if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, NULL)) |
if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, NULL)) |
Line 432 mlg_roffspecial(void *arg, int tok, const char *start, |
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Line 438 mlg_roffspecial(void *arg, int tok, const char *start, |
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if (*more) { |
if (*more) { |
if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) |
if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) |
return(0); |
return(0); |
if ( ! mlg_data(p, 0, start, *more++)) |
if ( ! ml_puts(p->mbuf, *more++, &p->pos)) |
return(0); |
return(0); |
if ( ! ml_nputs(p->mbuf, ")", 1, &p->pos)) |
if ( ! ml_nputs(p->mbuf, ")", 1, &p->pos)) |
return(0); |
return(0); |
Line 443 mlg_roffspecial(void *arg, int tok, const char *start, |
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Line 449 mlg_roffspecial(void *arg, int tok, const char *start, |
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} |
} |
if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) |
if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) |
return(0); |
return(0); |
mlg_mode(p, MD_INLINE_OUT); |
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break; |
break; |
case (ROFF_Fn): |
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case (ROFF_Nm): |
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assert(*more); |
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if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, NULL)) |
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return(0); |
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if ( ! ml_puts(p->mbuf, *more++, &p->pos)) |
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return(0); |
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assert(NULL == *more); |
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if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) |
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return(0); |
break; |
break; |
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case (ROFF_Ns): |
case (ROFF_Ns): |
p->flags |= ML_OVERRIDE_ONE; |
p->flags |= ML_OVERRIDE_ONE; |
break; |
break; |
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case (ROFF_Sm): |
case (ROFF_Sm): |
assert(*more); |
assert(*more); |
if (0 == strcmp(*more, "on")) |
if (0 == strcmp(*more, "on")) |
Line 457 mlg_roffspecial(void *arg, int tok, const char *start, |
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Line 473 mlg_roffspecial(void *arg, int tok, const char *start, |
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else |
else |
p->flags &= ~ML_OVERRIDE_ALL; |
p->flags &= ~ML_OVERRIDE_ALL; |
break; |
break; |
default: |
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case (ROFF_Ex): |
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assert(*more); |
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if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, NULL)) |
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return(0); |
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if ( ! ml_puts(p->mbuf, "The ", &p->pos)) |
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return(0); |
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if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Xr, NULL, NULL)) |
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return(0); |
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if ( ! ml_puts(p->mbuf, *more++, &p->pos)) |
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return(0); |
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if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Xr)) |
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return(0); |
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if ( ! ml_puts(p->mbuf, " utility exits 0 on success, " |
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"and >0 if an error " |
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"occurs.", &p->pos)) |
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return(0); |
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assert(NULL == *more); |
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if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) |
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return(0); |
break; |
break; |
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default: |
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mlg_err(p, start, start, "`%s' not yet supported", |
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toknames[tok]); |
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return(0); |
} |
} |
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return(1); |
return(1); |
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mlg_roffblkout(void *arg, int tok) |
mlg_roffblkout(void *arg, int tok) |
{ |
{ |
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return(mlg_endblk((struct md_mlg *)arg, MD_NS_BLOCK, tok)); |
return(mlg_endtag((struct md_mlg *)arg, MD_NS_BLOCK, tok)); |
} |
} |
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mlg_roffblkbodyout(void *arg, int tok) |
mlg_roffblkbodyout(void *arg, int tok) |
{ |
{ |
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return(mlg_endblk((struct md_mlg *)arg, MD_NS_BODY, tok)); |
return(mlg_endtag((struct md_mlg *)arg, MD_NS_BODY, tok)); |
} |
} |
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mlg_roffblkheadout(void *arg, int tok) |
mlg_roffblkheadout(void *arg, int tok) |
{ |
{ |
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return(mlg_endblk((struct md_mlg *)arg, MD_NS_HEAD, tok)); |
return(mlg_endtag((struct md_mlg *)arg, MD_NS_HEAD, tok)); |
} |
} |
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Line 528 mlg_roffin(void *arg, int tok, int *argc, char **argv) |
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Line 568 mlg_roffin(void *arg, int tok, int *argc, char **argv) |
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static int |
static int |
mlg_roffout(void *arg, int tok) |
mlg_roffout(void *arg, int tok) |
{ |
{ |
struct md_mlg *p; |
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assert(arg); |
return(mlg_endtag((struct md_mlg *)arg, MD_NS_INLINE, tok)); |
p = (struct md_mlg *)arg; |
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if (0 == p->pos && ! mlg_indent(p)) |
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return(0); |
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mlg_mode(p, MD_INLINE_OUT); |
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return(mlg_endtag(p, MD_NS_INLINE, tok)); |
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} |
} |
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Line 562 mlg_roffdata(void *arg, int space, const char *start, |
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Line 594 mlg_roffdata(void *arg, int space, const char *start, |
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return(0); |
return(0); |
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mlg_mode(p, MD_TEXT); |
mlg_mode(p, MD_TEXT); |
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return(1); |
return(1); |
} |
} |
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static void |
static void |
mlg_err(struct md_mlg *p, const char *buf, const char *pos, char *msg) |
mlg_vmsg(struct md_mlg *p, enum roffmsg lvl, const char *start, |
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const char *pos, const char *fmt, va_list ap) |
{ |
{ |
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char buf[128]; |
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mlg_msg(p, ROFF_ERROR, buf, pos, msg); |
(void)vsnprintf(buf, sizeof(buf), fmt, ap); |
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mlg_msg(p, lvl, start, pos, buf); |
} |
} |
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static void |
static void |
mlg_warn(struct md_mlg *p, const char *buf, const char *pos, char *msg) |
mlg_warn(struct md_mlg *p, const char *start, |
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const char *pos, const char *fmt, ...) |
{ |
{ |
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va_list ap; |
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mlg_msg(p, ROFF_WARN, buf, pos, msg); |
va_start(ap, fmt); |
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mlg_vmsg(p, ROFF_WARN, start, pos, fmt, ap); |
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va_end(ap); |
} |
} |
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static void |
static void |
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mlg_err(struct md_mlg *p, const char *start, |
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const char *pos, const char *fmt, ...) |
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{ |
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va_list ap; |
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va_start(ap, fmt); |
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mlg_vmsg(p, ROFF_ERROR, start, pos, fmt, ap); |
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va_end(ap); |
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} |
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static void |
mlg_msg(struct md_mlg *p, enum roffmsg lvl, |
mlg_msg(struct md_mlg *p, enum roffmsg lvl, |
const char *buf, const char *pos, char *msg) |
const char *buf, const char *pos, char *msg) |
{ |
{ |
Line 608 mlg_msg(struct md_mlg *p, enum roffmsg lvl, |
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Line 660 mlg_msg(struct md_mlg *p, enum roffmsg lvl, |
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else |
else |
(void)fprintf(stderr, "%s: %s: %s\n", |
(void)fprintf(stderr, "%s: %s: %s\n", |
p->rbuf->name, level, msg); |
p->rbuf->name, level, msg); |
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} |
} |