version 1.17, 2011/07/17 14:08:49 |
version 1.28, 2012/02/16 20:51:31 |
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#include <ctype.h> |
#include <ctype.h> |
#include <fcntl.h> |
#include <fcntl.h> |
#include <stdarg.h> |
#include <stdarg.h> |
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#include <stdint.h> |
#include <stdio.h> |
#include <stdio.h> |
#include <stdlib.h> |
#include <stdlib.h> |
#include <string.h> |
#include <string.h> |
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#include "libmandoc.h" |
#include "libmandoc.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
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#include "main.h" |
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#ifndef MAP_FILE |
#ifndef MAP_FILE |
#define MAP_FILE 0 |
#define MAP_FILE 0 |
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struct man *man; /* man parser */ |
struct man *man; /* man parser */ |
struct mdoc *mdoc; /* mdoc parser */ |
struct mdoc *mdoc; /* mdoc parser */ |
struct roff *roff; /* roff parser (!NULL) */ |
struct roff *roff; /* roff parser (!NULL) */ |
struct regset regs; /* roff registers */ |
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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 */ |
void *arg; /* argument to mmsg */ |
const char *file; |
const char *file; |
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struct buf *secondary; |
}; |
}; |
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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); |
static void mparse_readfd_r(struct mparse *, int, const char *, int); |
static void pset(const char *, int, struct mparse *); |
static void pset(const char *, int, struct mparse *); |
static void pdesc(struct mparse *, const char *, int); |
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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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Line 153 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 154 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"generic error", |
"generic error", |
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/* related to equations */ |
/* related to equations */ |
"bad equation macro syntax", |
"unexpected equation scope closure", |
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"equation scope open on exit", |
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"overlapping equation scopes", |
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"unexpected end of equation", |
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"equation syntax error", |
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/* related to tables */ |
/* related to tables */ |
"bad table syntax", |
"bad table syntax", |
Line 188 static const char * const mandocerrs[MANDOCERR_MAX] = |
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Line 193 static const char * const mandocerrs[MANDOCERR_MAX] = |
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"not a manual", |
"not a manual", |
"column syntax is inconsistent", |
"column syntax is inconsistent", |
"NOT IMPLEMENTED: .Bd -file", |
"NOT IMPLEMENTED: .Bd -file", |
"line scope broken, syntax violated", |
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"argument count wrong, violates syntax", |
"argument count wrong, violates syntax", |
"child violates parent syntax", |
"child violates parent syntax", |
"argument count wrong, violates syntax", |
"argument count wrong, violates syntax", |
Line 243 pset(const char *buf, int pos, struct mparse *curp) |
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Line 247 pset(const char *buf, int pos, struct mparse *curp) |
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switch (curp->inttype) { |
switch (curp->inttype) { |
case (MPARSE_MDOC): |
case (MPARSE_MDOC): |
if (NULL == curp->pmdoc) |
if (NULL == curp->pmdoc) |
curp->pmdoc = mdoc_alloc(&curp->regs, curp); |
curp->pmdoc = mdoc_alloc(curp->roff, curp); |
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->regs, curp); |
curp->pman = man_alloc(curp->roff, curp); |
assert(curp->pman); |
assert(curp->pman); |
curp->man = curp->pman; |
curp->man = curp->pman; |
return; |
return; |
Line 259 pset(const char *buf, int pos, struct mparse *curp) |
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Line 263 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->regs, curp); |
curp->pmdoc = mdoc_alloc(curp->roff, curp); |
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->regs, curp); |
curp->pman = man_alloc(curp->roff, curp); |
assert(curp->pman); |
assert(curp->pman); |
curp->man = curp->pman; |
curp->man = curp->pman; |
} |
} |
Line 322 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 326 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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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 |
* readers. Since I'd rather this not happen, |
* readers. Since I'd rather this not happen, |
* I'll be helpful and drop these characters so |
* I'll be helpful and replace these characters |
* we don't display gibberish. Note to manual |
* with "?", so we don't display gibberish. |
* writers: use special characters. |
* Note to manual writers: use special characters. |
*/ |
*/ |
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c = (unsigned char) blk.buf[i]; |
c = (unsigned char) blk.buf[i]; |
Line 332 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 336 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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if ( ! (isascii(c) && |
if ( ! (isascii(c) && |
(isgraph(c) || isblank(c)))) { |
(isgraph(c) || isblank(c)))) { |
mandoc_msg(MANDOCERR_BADCHAR, curp, |
mandoc_msg(MANDOCERR_BADCHAR, curp, |
curp->line, pos, "ignoring byte"); |
curp->line, pos, NULL); |
i++; |
i++; |
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if (pos >= (int)ln.sz) |
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resize_buf(&ln, 256); |
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ln.buf[pos++] = '?'; |
continue; |
continue; |
} |
} |
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Line 408 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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Line 415 mparse_buf_r(struct mparse *curp, struct buf blk, int |
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of = 0; |
of = 0; |
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/* |
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* Maintain a lookaside buffer of all parsed lines. We |
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* only do this if mparse_keep() has been invoked (the |
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* buffer may be accessed with mparse_getkeep()). |
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*/ |
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if (curp->secondary) { |
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curp->secondary->buf = |
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mandoc_realloc |
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(curp->secondary->buf, |
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curp->secondary->sz + pos + 2); |
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memcpy(curp->secondary->buf + |
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curp->secondary->sz, |
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ln.buf, pos); |
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curp->secondary->sz += pos; |
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curp->secondary->buf |
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[curp->secondary->sz] = '\n'; |
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curp->secondary->sz++; |
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curp->secondary->buf |
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[curp->secondary->sz] = '\0'; |
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} |
rerun: |
rerun: |
rr = roff_parseln |
rr = roff_parseln |
(curp->roff, curp->line, |
(curp->roff, curp->line, |
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assert(MANDOCLEVEL_FATAL <= curp->file_status); |
assert(MANDOCLEVEL_FATAL <= curp->file_status); |
break; |
break; |
case (ROFF_SO): |
case (ROFF_SO): |
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/* |
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* We remove `so' clauses from our lookaside |
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* buffer because we're going to descend into |
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* the file recursively. |
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*/ |
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if (curp->secondary) |
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curp->secondary->sz -= pos + 1; |
mparse_readfd_r(curp, -1, ln.buf + of, 1); |
mparse_readfd_r(curp, -1, ln.buf + of, 1); |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
if (MANDOCLEVEL_FATAL <= curp->file_status) |
break; |
break; |
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free(ln.buf); |
free(ln.buf); |
} |
} |
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static void |
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pdesc(struct mparse *curp, const char *file, int fd) |
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{ |
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struct buf blk; |
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int with_mmap; |
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/* |
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* Run for each opened file; may be called more than once for |
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* each full parse sequence if the opened file is nested (i.e., |
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* from `so'). Simply sucks in the whole file and moves into |
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* the parse phase for the file. |
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*/ |
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if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
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curp->file_status = MANDOCLEVEL_SYSERR; |
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return; |
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} |
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/* Line number is per-file. */ |
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curp->line = 1; |
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mparse_buf_r(curp, blk, 1); |
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#ifdef HAVE_MMAP |
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if (with_mmap) |
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munmap(blk.buf, blk.sz); |
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else |
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#endif |
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free(blk.buf); |
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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(const char *file, int fd, struct buf *fb, int *with_mmap) |
{ |
{ |
Line 640 mparse_end(struct mparse *curp) |
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Line 643 mparse_end(struct mparse *curp) |
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} |
} |
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static void |
static void |
mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re) |
mparse_parse_buffer(struct mparse *curp, struct buf blk, const char *file, |
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int re) |
{ |
{ |
const char *svfile; |
const char *svfile; |
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/* Line number is per-file. */ |
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svfile = curp->file; |
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curp->file = file; |
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curp->line = 1; |
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mparse_buf_r(curp, blk, 1); |
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if (0 == re && MANDOCLEVEL_FATAL > curp->file_status) |
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mparse_end(curp); |
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curp->file = svfile; |
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} |
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enum mandoclevel |
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mparse_readmem(struct mparse *curp, const void *buf, size_t len, |
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const char *file) |
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{ |
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struct buf blk; |
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blk.buf = UNCONST(buf); |
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blk.sz = len; |
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mparse_parse_buffer(curp, blk, file, 0); |
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return(curp->file_status); |
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} |
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static void |
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mparse_readfd_r(struct mparse *curp, int fd, const char *file, int re) |
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{ |
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struct buf blk; |
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int with_mmap; |
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if (-1 == fd) |
if (-1 == fd) |
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; |
return; |
} |
} |
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/* |
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* Run for each opened file; may be called more than once for |
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* each full parse sequence if the opened file is nested (i.e., |
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* from `so'). Simply sucks in the whole file and moves into |
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* the parse phase for the file. |
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*/ |
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svfile = curp->file; |
if ( ! read_whole_file(file, fd, &blk, &with_mmap)) { |
curp->file = file; |
curp->file_status = MANDOCLEVEL_SYSERR; |
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return; |
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} |
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pdesc(curp, file, fd); |
mparse_parse_buffer(curp, blk, file, re); |
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if (0 == re && MANDOCLEVEL_FATAL > curp->file_status) |
#ifdef HAVE_MMAP |
mparse_end(curp); |
if (with_mmap) |
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munmap(blk.buf, blk.sz); |
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else |
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#endif |
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free(blk.buf); |
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if (STDIN_FILENO != fd && -1 == close(fd)) |
if (STDIN_FILENO != fd && -1 == close(fd)) |
perror(file); |
perror(file); |
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curp->file = svfile; |
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} |
} |
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enum mandoclevel |
enum mandoclevel |
Line 687 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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Line 733 mparse_alloc(enum mparset inttype, enum mandoclevel wl |
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curp->arg = arg; |
curp->arg = arg; |
curp->inttype = inttype; |
curp->inttype = inttype; |
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curp->roff = roff_alloc(&curp->regs, curp); |
curp->roff = roff_alloc(curp); |
return(curp); |
return(curp); |
} |
} |
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mparse_reset(struct mparse *curp) |
mparse_reset(struct mparse *curp) |
{ |
{ |
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memset(&curp->regs, 0, sizeof(struct regset)); |
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roff_reset(curp->roff); |
roff_reset(curp->roff); |
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if (curp->mdoc) |
if (curp->mdoc) |
mdoc_reset(curp->mdoc); |
mdoc_reset(curp->mdoc); |
if (curp->man) |
if (curp->man) |
man_reset(curp->man); |
man_reset(curp->man); |
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if (curp->secondary) |
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curp->secondary->sz = 0; |
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curp->file_status = MANDOCLEVEL_OK; |
curp->file_status = MANDOCLEVEL_OK; |
curp->mdoc = NULL; |
curp->mdoc = NULL; |
Line 719 mparse_free(struct mparse *curp) |
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Line 765 mparse_free(struct mparse *curp) |
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man_free(curp->pman); |
man_free(curp->pman); |
if (curp->roff) |
if (curp->roff) |
roff_free(curp->roff); |
roff_free(curp->roff); |
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if (curp->secondary) |
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free(curp->secondary->buf); |
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free(curp->secondary); |
free(curp); |
free(curp); |
} |
} |
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mparse_strlevel(enum mandoclevel lvl) |
mparse_strlevel(enum mandoclevel lvl) |
{ |
{ |
return(mandoclevels[lvl]); |
return(mandoclevels[lvl]); |
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} |
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void |
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mparse_keep(struct mparse *p) |
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{ |
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assert(NULL == p->secondary); |
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p->secondary = mandoc_calloc(1, sizeof(struct buf)); |
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} |
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const char * |
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mparse_getkeep(const struct mparse *p) |
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{ |
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assert(p->secondary); |
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return(p->secondary->sz ? p->secondary->buf : NULL); |
} |
} |