version 1.31, 2012/07/18 11:11:12 |
version 1.37, 2013/06/02 03:52:21 |
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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 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2010, 2011, 2012, 2013 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 "man.h" |
#include "man.h" |
#include "main.h" |
#include "main.h" |
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#ifndef MAP_FILE |
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#define MAP_FILE 0 |
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#endif |
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#define REPARSE_LIMIT 1000 |
#define REPARSE_LIMIT 1000 |
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struct buf { |
struct buf { |
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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 mparse_readfd_r(struct mparse *, int, const char *, int); |
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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(const char *, int, struct buf *, int *); |
static void mparse_end(struct mparse *); |
static void mparse_end(struct mparse *); |
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static void mparse_parse_buffer(struct mparse *, struct buf, |
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const char *); |
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static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
MANDOCERR_OK, |
MANDOCERR_OK, |
Line 95 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 92 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"no title in document", |
"no title in document", |
"document title should be all caps", |
"document title should be all caps", |
"unknown manual section", |
"unknown manual section", |
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"unknown manual volume or arch", |
"date missing, using today's date", |
"date missing, using today's date", |
"cannot parse date, using it verbatim", |
"cannot parse date, using it verbatim", |
"prologue macros out of order", |
"prologue macros out of order", |
Line 179 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 177 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"skipping unknown macro", |
"skipping unknown macro", |
"NOT IMPLEMENTED, please use groff: skipping request", |
"NOT IMPLEMENTED, please use groff: skipping request", |
"argument count wrong", |
"argument count wrong", |
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"skipping column outside column list", |
"skipping end of block that is not open", |
"skipping end of block that is not open", |
"missing end of block", |
"missing end of block", |
"scope open on exit", |
"scope open on exit", |
Line 326 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 325 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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break; |
break; |
} |
} |
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/* |
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* Make sure we have space for at least |
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* one backslash and one other character |
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* and the trailing NUL byte. |
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*/ |
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if (pos + 2 >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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/* |
/* |
* Warn about bogus characters. If you're using |
* Warn about bogus characters. If you're using |
* non-ASCII encoding, you're screwing your |
* non-ASCII encoding, you're screwing your |
Line 342 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 350 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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mandoc_msg(MANDOCERR_BADCHAR, curp, |
mandoc_msg(MANDOCERR_BADCHAR, curp, |
curp->line, pos, NULL); |
curp->line, pos, NULL); |
i++; |
i++; |
if (pos >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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ln.buf[pos++] = '?'; |
ln.buf[pos++] = '?'; |
continue; |
continue; |
} |
} |
Line 351 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 357 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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/* Trailing backslash = a plain char. */ |
/* Trailing backslash = a plain char. */ |
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if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) { |
if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) { |
if (pos >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
continue; |
continue; |
} |
} |
Line 394 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 398 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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break; |
break; |
} |
} |
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/* Some other escape sequence, copy & cont. */ |
/* Catch escaped bogus characters. */ |
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if (pos + 1 >= (int)ln.sz) |
c = (unsigned char) blk.buf[i+1]; |
resize_buf(&ln, 256); |
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if ( ! (isascii(c) && |
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(isgraph(c) || isblank(c)))) { |
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mandoc_msg(MANDOCERR_BADCHAR, curp, |
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curp->line, pos, NULL); |
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i += 2; |
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ln.buf[pos++] = '?'; |
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continue; |
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} |
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/* Some other escape sequence, copy & cont. */ |
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ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
ln.buf[pos++] = blk.buf[i++]; |
} |
} |
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*/ |
*/ |
if (curp->secondary) |
if (curp->secondary) |
curp->secondary->sz -= pos + 1; |
curp->secondary->sz -= pos + 1; |
mparse_readfd_r(curp, -1, ln.buf + of, 1); |
mparse_readfd(curp, -1, ln.buf + of); |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
break; |
break; |
pos = 0; |
pos = 0; |
Line 579 read_whole_file(const char *file, int fd, struct buf * |
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Line 593 read_whole_file(const char *file, int fd, struct buf * |
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} |
} |
*with_mmap = 1; |
*with_mmap = 1; |
fb->sz = (size_t)st.st_size; |
fb->sz = (size_t)st.st_size; |
fb->buf = mmap(NULL, fb->sz, PROT_READ, |
fb->buf = mmap(NULL, fb->sz, PROT_READ, MAP_SHARED, fd, 0); |
MAP_FILE|MAP_SHARED, fd, 0); |
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if (fb->buf != MAP_FAILED) |
if (fb->buf != MAP_FAILED) |
return(1); |
return(1); |
} |
} |
Line 647 mparse_end(struct mparse *curp) |
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Line 660 mparse_end(struct mparse *curp) |
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} |
} |
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static void |
static void |
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file, |
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file) |
int re) |
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{ |
{ |
const char *svfile; |
const char *svfile; |
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static int recursion_depth; |
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if (64 < recursion_depth) { |
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mandoc_msg(MANDOCERR_ROFFLOOP, curp, curp->line, 0, NULL); |
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return; |
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} |
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/* Line number is per-file. */ |
/* Line number is per-file. */ |
svfile = curp->file; |
svfile = curp->file; |
curp->file = file; |
curp->file = file; |
curp->line = 1; |
curp->line = 1; |
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recursion_depth++; |
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mparse_buf_r(curp, blk, 1); |
mparse_buf_r(curp, blk, 1); |
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if (0 == re && MANDOCLEVEL_FATAL > curp->file_status) |
if (0 == --recursion_depth && MANDOCLEVEL_FATAL > curp->file_status) |
mparse_end(curp); |
mparse_end(curp); |
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curp->file = svfile; |
curp->file = svfile; |
Line 674 mparse_readmem(struct mparse *curp, const void *buf, s |
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Line 693 mparse_readmem(struct mparse *curp, const void *buf, s |
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blk.buf = UNCONST(buf); |
blk.buf = UNCONST(buf); |
blk.sz = len; |
blk.sz = len; |
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mparse_parse_buffer(curp, blk, file, 0); |
mparse_parse_buffer(curp, blk, file); |
return(curp->file_status); |
return(curp->file_status); |
} |
} |
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static void |
enum mandoclevel |
mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re) |
mparse_readfd(struct mparse *curp, int fd, const char *file) |
{ |
{ |
struct buf blk; |
struct buf blk; |
int with_mmap; |
int with_mmap; |
Line 688 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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Line 707 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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if (-1 == (fd = open(file, O_RDONLY, 0))) { |
if (-1 == (fd = open(file, O_RDONLY, 0))) { |
perror(file); |
perror(file); |
curp->file_status = MANDOCLEVEL_SYSERR; |
curp->file_status = MANDOCLEVEL_SYSERR; |
return; |
goto out; |
} |
} |
/* |
/* |
* Run for each opened file; may be called more than once for |
* Run for each opened file; may be called more than once for |
Line 699 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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Line 718 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
curp->file_status = MANDOCLEVEL_SYSERR; |
curp->file_status = MANDOCLEVEL_SYSERR; |
return; |
goto out; |
} |
} |
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mparse_parse_buffer(curp, blk, file, re); |
mparse_parse_buffer(curp, blk, file); |
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#ifdef HAVE_MMAP |
#ifdef HAVE_MMAP |
if (with_mmap) |
if (with_mmap) |
Line 713 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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Line 732 mparse_readfd_r(struct mparse *curp, int fd, const cha |
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if (STDIN_FILENO != fd && -1 == close(fd)) |
if (STDIN_FILENO != fd && -1 == close(fd)) |
perror(file); |
perror(file); |
} |
out: |
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enum mandoclevel |
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mparse_readfd(struct mparse *curp, int fd, const char *file) |
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{ |
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mparse_readfd_r(curp, fd, file, 0); |
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return(curp->file_status); |
return(curp->file_status); |
} |
} |
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Line 739 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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Line 752 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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curp->inttype = inttype; |
curp->inttype = inttype; |
curp->defos = defos; |
curp->defos = defos; |
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curp->roff = roff_alloc(curp); |
curp->roff = roff_alloc(inttype, curp); |
return(curp); |
return(curp); |
} |
} |
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