version 1.37, 2013/06/02 03:52:21 |
version 1.41, 2014/01/05 20:26:36 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2010, 2011, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010-2014 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
#include <ctype.h> |
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#include <errno.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <stdarg.h> |
#include <stdarg.h> |
#include <stdint.h> |
#include <stdint.h> |
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struct roff *roff; /* roff parser (!NULL) */ |
struct roff *roff; /* roff parser (!NULL) */ |
int reparse_count; /* finite interp. stack */ |
int reparse_count; /* finite interp. stack */ |
mandocmsg mmsg; /* warning/error message handler */ |
mandocmsg mmsg; /* warning/error message handler */ |
void *arg; /* argument to mmsg */ |
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const char *file; |
const char *file; |
struct buf *secondary; |
struct buf *secondary; |
char *defos; /* default operating system */ |
char *defos; /* default operating system */ |
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int quick; /* abort the parse early */ |
}; |
}; |
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static void resize_buf(struct buf *, size_t); |
static void resize_buf(struct buf *, size_t); |
static void mparse_buf_r(struct mparse *, struct buf, int); |
static void mparse_buf_r(struct mparse *, struct buf, int); |
static void pset(const char *, int, struct mparse *); |
static void pset(const char *, int, struct mparse *); |
static int read_whole_file(const char *, int, struct buf *, int *); |
static int read_whole_file(struct mparse *, const char *, int, |
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struct buf *, int *); |
static void mparse_end(struct mparse *); |
static void mparse_end(struct mparse *); |
static void mparse_parse_buffer(struct mparse *, struct buf, |
static void mparse_parse_buffer(struct mparse *, struct buf, |
const char *); |
const char *); |
Line 106 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 108 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"bad NAME section contents", |
"bad NAME section contents", |
"sections out of conventional order", |
"sections out of conventional order", |
"duplicate section name", |
"duplicate section name", |
"section not in conventional manual section", |
"section header suited to sections 2, 3, and 9 only", |
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/* related to macros and nesting */ |
/* related to macros and nesting */ |
"skipping obsolete macro", |
"skipping obsolete macro", |
Line 185 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 187 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"macro requires line argument(s)", |
"macro requires line argument(s)", |
"macro requires body argument(s)", |
"macro requires body argument(s)", |
"macro requires argument(s)", |
"macro requires argument(s)", |
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"request requires a numeric argument", |
"missing list type", |
"missing list type", |
"line argument(s) will be lost", |
"line argument(s) will be lost", |
"body argument(s) will be lost", |
"body argument(s) will be lost", |
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"generic fatal error", |
"generic fatal error", |
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"input too large", |
"not a manual", |
"not a manual", |
"column syntax is inconsistent", |
"column syntax is inconsistent", |
"NOT IMPLEMENTED: .Bd -file", |
"NOT IMPLEMENTED: .Bd -file", |
Line 201 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 205 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"no document body", |
"no document body", |
"no document prologue", |
"no document prologue", |
"static buffer exhausted", |
"static buffer exhausted", |
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/* system errors */ |
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"cannot open file", |
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"cannot stat file", |
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"cannot read file", |
}; |
}; |
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
Line 249 pset(const char *buf, int pos, struct mparse *curp) |
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Line 258 pset(const char *buf, int pos, struct mparse *curp) |
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case (MPARSE_MDOC): |
case (MPARSE_MDOC): |
if (NULL == curp->pmdoc) |
if (NULL == curp->pmdoc) |
curp->pmdoc = mdoc_alloc(curp->roff, curp, |
curp->pmdoc = mdoc_alloc(curp->roff, curp, |
curp->defos); |
curp->defos, curp->quick); |
assert(curp->pmdoc); |
assert(curp->pmdoc); |
curp->mdoc = curp->pmdoc; |
curp->mdoc = curp->pmdoc; |
return; |
return; |
case (MPARSE_MAN): |
case (MPARSE_MAN): |
if (NULL == curp->pman) |
if (NULL == curp->pman) |
curp->pman = man_alloc(curp->roff, curp); |
curp->pman = man_alloc(curp->roff, curp, |
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curp->quick); |
assert(curp->pman); |
assert(curp->pman); |
curp->man = curp->pman; |
curp->man = curp->pman; |
return; |
return; |
Line 266 pset(const char *buf, int pos, struct mparse *curp) |
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Line 276 pset(const char *buf, int pos, struct mparse *curp) |
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if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) { |
if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) { |
if (NULL == curp->pmdoc) |
if (NULL == curp->pmdoc) |
curp->pmdoc = mdoc_alloc(curp->roff, curp, |
curp->pmdoc = mdoc_alloc(curp->roff, curp, |
curp->defos); |
curp->defos, curp->quick); |
assert(curp->pmdoc); |
assert(curp->pmdoc); |
curp->mdoc = curp->pmdoc; |
curp->mdoc = curp->pmdoc; |
return; |
return; |
} |
} |
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if (NULL == curp->pman) |
if (NULL == curp->pman) |
curp->pman = man_alloc(curp->roff, curp); |
curp->pman = man_alloc(curp->roff, curp, curp->quick); |
assert(curp->pman); |
assert(curp->pman); |
curp->man = curp->pman; |
curp->man = curp->pman; |
} |
} |
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if (0 == rc) { |
if (0 == rc) { |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
break; |
break; |
} |
} else if (2 == rc) |
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break; |
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/* Temporary buffers typically are not full. */ |
/* Temporary buffers typically are not full. */ |
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} |
} |
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static int |
static int |
read_whole_file(const char *file, int fd, struct buf *fb, int *with_mmap) |
read_whole_file(struct mparse *curp, const char *file, int fd, |
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struct buf *fb, int *with_mmap) |
{ |
{ |
size_t off; |
size_t off; |
ssize_t ssz; |
ssize_t ssz; |
Line 575 read_whole_file(const char *file, int fd, struct buf * |
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Line 587 read_whole_file(const char *file, int fd, struct buf * |
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#ifdef HAVE_MMAP |
#ifdef HAVE_MMAP |
struct stat st; |
struct stat st; |
if (-1 == fstat(fd, &st)) { |
if (-1 == fstat(fd, &st)) { |
perror(file); |
curp->file_status = MANDOCLEVEL_SYSERR; |
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if (curp->mmsg) |
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(*curp->mmsg)(MANDOCERR_SYSSTAT, curp->file_status, |
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file, 0, 0, strerror(errno)); |
return(0); |
return(0); |
} |
} |
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Line 588 read_whole_file(const char *file, int fd, struct buf * |
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Line 603 read_whole_file(const char *file, int fd, struct buf * |
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if (S_ISREG(st.st_mode)) { |
if (S_ISREG(st.st_mode)) { |
if (st.st_size >= (1U << 31)) { |
if (st.st_size >= (1U << 31)) { |
fprintf(stderr, "%s: input too large\n", file); |
curp->file_status = MANDOCLEVEL_FATAL; |
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if (curp->mmsg) |
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(*curp->mmsg)(MANDOCERR_TOOLARGE, |
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curp->file_status, file, 0, 0, NULL); |
return(0); |
return(0); |
} |
} |
*with_mmap = 1; |
*with_mmap = 1; |
Line 611 read_whole_file(const char *file, int fd, struct buf * |
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Line 629 read_whole_file(const char *file, int fd, struct buf * |
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for (;;) { |
for (;;) { |
if (off == fb->sz) { |
if (off == fb->sz) { |
if (fb->sz == (1U << 31)) { |
if (fb->sz == (1U << 31)) { |
fprintf(stderr, "%s: input too large\n", file); |
curp->file_status = MANDOCLEVEL_FATAL; |
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if (curp->mmsg) |
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(*curp->mmsg)(MANDOCERR_TOOLARGE, |
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curp->file_status, |
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file, 0, 0, NULL); |
break; |
break; |
} |
} |
resize_buf(fb, 65536); |
resize_buf(fb, 65536); |
Line 622 read_whole_file(const char *file, int fd, struct buf * |
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Line 644 read_whole_file(const char *file, int fd, struct buf * |
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return(1); |
return(1); |
} |
} |
if (ssz == -1) { |
if (ssz == -1) { |
perror(file); |
curp->file_status = MANDOCLEVEL_SYSERR; |
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if (curp->mmsg) |
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(*curp->mmsg)(MANDOCERR_SYSREAD, |
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curp->file_status, file, 0, 0, |
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strerror(errno)); |
break; |
break; |
} |
} |
off += (size_t)ssz; |
off += (size_t)ssz; |
Line 703 mparse_readfd(struct mparse *curp, int fd, const char |
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Line 729 mparse_readfd(struct mparse *curp, int fd, const char |
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struct buf blk; |
struct buf blk; |
int with_mmap; |
int with_mmap; |
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if (-1 == fd) |
if (-1 == fd && -1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
curp->file_status = MANDOCLEVEL_SYSERR; |
perror(file); |
if (curp->mmsg) |
curp->file_status = MANDOCLEVEL_SYSERR; |
(*curp->mmsg)(MANDOCERR_SYSOPEN, |
goto out; |
curp->file_status, |
} |
file, 0, 0, strerror(errno)); |
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goto out; |
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} |
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/* |
/* |
* Run for each opened file; may be called more than once for |
* Run for each opened file; may be called more than once for |
* each full parse sequence if the opened file is nested (i.e., |
* each full parse sequence if the opened file is nested (i.e., |
Line 716 mparse_readfd(struct mparse *curp, int fd, const char |
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Line 745 mparse_readfd(struct mparse *curp, int fd, const char |
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* the parse phase for the file. |
* the parse phase for the file. |
*/ |
*/ |
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if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
if ( ! read_whole_file(curp, file, fd, &blk, &with_mmap)) |
curp->file_status = MANDOCLEVEL_SYSERR; |
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goto out; |
goto out; |
} |
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mparse_parse_buffer(curp, blk, file); |
mparse_parse_buffer(curp, blk, file); |
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struct mparse * |
struct mparse * |
mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, |
mparse_alloc(enum mparset inttype, enum mandoclevel wlevel, |
mandocmsg mmsg, void *arg, char *defos) |
mandocmsg mmsg, char *defos, int quick) |
{ |
{ |
struct mparse *curp; |
struct mparse *curp; |
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Line 748 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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Line 775 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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curp->wlevel = wlevel; |
curp->wlevel = wlevel; |
curp->mmsg = mmsg; |
curp->mmsg = mmsg; |
curp->arg = arg; |
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curp->inttype = inttype; |
curp->inttype = inttype; |
curp->defos = defos; |
curp->defos = defos; |
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curp->quick = quick; |
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curp->roff = roff_alloc(inttype, curp); |
curp->roff = roff_alloc(inttype, curp); |
return(curp); |
return(curp); |