version 1.147, 2011/03/07 01:35:51 |
version 1.163, 2011/05/20 15:51:18 |
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#include "config.h" |
#include "config.h" |
#endif |
#endif |
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#include <sys/mman.h> |
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#include <sys/stat.h> |
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#include <assert.h> |
#include <assert.h> |
#include <ctype.h> |
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#include <fcntl.h> |
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#include <stdio.h> |
#include <stdio.h> |
#include <stdint.h> |
#include <stdint.h> |
#include <stdlib.h> |
#include <stdlib.h> |
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#include "main.h" |
#include "main.h" |
#include "mdoc.h" |
#include "mdoc.h" |
#include "man.h" |
#include "man.h" |
#include "roff.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 |
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#define UNCONST(a) ((void *)(uintptr_t)(const void *)(a)) |
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/* FIXME: Intel's compiler? LLVM? pcc? */ |
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#if !defined(__GNUC__) || (__GNUC__ < 2) |
#if !defined(__GNUC__) || (__GNUC__ < 2) |
# if !defined(lint) |
# if !defined(lint) |
# define __attribute__(x) |
# define __attribute__(x) |
Line 56 typedef void (*out_mdoc)(void *, const struct mdoc *) |
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Line 41 typedef void (*out_mdoc)(void *, const struct mdoc *) |
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typedef void (*out_man)(void *, const struct man *); |
typedef void (*out_man)(void *, const struct man *); |
typedef void (*out_free)(void *); |
typedef void (*out_free)(void *); |
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struct buf { |
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char *buf; |
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size_t sz; |
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}; |
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enum intt { |
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INTT_AUTO, |
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INTT_MDOC, |
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INTT_MAN |
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}; |
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enum outt { |
enum outt { |
OUTT_ASCII = 0, |
OUTT_ASCII = 0, /* -Tascii */ |
OUTT_TREE, |
OUTT_LOCALE, /* -Tlocale */ |
OUTT_HTML, |
OUTT_UTF8, /* -Tutf8 */ |
OUTT_XHTML, |
OUTT_TREE, /* -Ttree */ |
OUTT_LINT, |
OUTT_HTML, /* -Thtml */ |
OUTT_PS, |
OUTT_XHTML, /* -Txhtml */ |
OUTT_PDF |
OUTT_LINT, /* -Tlint */ |
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OUTT_PS, /* -Tps */ |
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OUTT_PDF /* -Tpdf */ |
}; |
}; |
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struct curparse { |
struct curparse { |
const char *file; /* Current parse. */ |
struct mparse *mp; |
int fd; /* Current parse. */ |
enum mandoclevel wlevel; /* ignore messages below this */ |
int line; /* Line number in the file. */ |
int wstop; /* stop after a file with a warning */ |
enum mandoclevel wlevel; /* Ignore messages below this. */ |
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int wstop; /* Stop after a file with a warning. */ |
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enum intt inttype; /* which parser to use */ |
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struct man *pman; /* persistent man parser */ |
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struct mdoc *pmdoc; /* persistent mdoc parser */ |
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struct man *man; /* man parser */ |
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struct mdoc *mdoc; /* mdoc parser */ |
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struct roff *roff; /* roff parser (!NULL) */ |
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struct regset regs; /* roff registers */ |
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int reparse_count; /* finite interpolation stack */ |
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enum outt outtype; /* which output to use */ |
enum outt outtype; /* which output to use */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
out_mdoc outmdoc; /* mdoc output ptr */ |
out_man outman; /* man output ptr */ |
out_man outman; /* man output ptr */ |
Line 99 struct curparse { |
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Line 65 struct curparse { |
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char outopts[BUFSIZ]; /* buf of output opts */ |
char outopts[BUFSIZ]; /* buf of output opts */ |
}; |
}; |
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static const char * const mandoclevels[MANDOCLEVEL_MAX] = { |
static int moptions(enum mparset *, char *); |
"SUCCESS", |
static void mmsg(enum mandocerr, enum mandoclevel, |
"RESERVED", |
const char *, int, int, const char *); |
"WARNING", |
static void parse(struct curparse *, int, |
"ERROR", |
const char *, enum mandoclevel *); |
"FATAL", |
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"BADARG", |
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"SYSERR" |
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}; |
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static const enum mandocerr mandoclimits[MANDOCLEVEL_MAX] = { |
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MANDOCERR_OK, |
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MANDOCERR_WARNING, |
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MANDOCERR_WARNING, |
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MANDOCERR_ERROR, |
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MANDOCERR_FATAL, |
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MANDOCERR_MAX, |
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MANDOCERR_MAX |
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}; |
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static const char * const mandocerrs[MANDOCERR_MAX] = { |
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"ok", |
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"generic warning", |
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/* related to the prologue */ |
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"no title in document", |
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"document title should be all caps", |
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"unknown manual section", |
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"date missing, using today's date", |
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"cannot parse date, using it verbatim", |
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"prologue macros out of order", |
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"duplicate prologue macro", |
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"macro not allowed in prologue", |
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"macro not allowed in body", |
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/* related to document structure */ |
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".so is fragile, better use ln(1)", |
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"NAME section must come first", |
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"bad NAME section contents", |
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"manual name not yet set", |
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"sections out of conventional order", |
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"duplicate section name", |
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"section not in conventional manual section", |
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/* related to macros and nesting */ |
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"skipping obsolete macro", |
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"skipping paragraph macro", |
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"skipping no-space macro", |
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"blocks badly nested", |
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"child violates parent syntax", |
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"nested displays are not portable", |
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"already in literal mode", |
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/* related to missing macro arguments */ |
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"skipping empty macro", |
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"argument count wrong", |
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"missing display type", |
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"list type must come first", |
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"tag lists require a width argument", |
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"missing font type", |
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"skipping end of block that is not open", |
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/* related to bad macro arguments */ |
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"skipping argument", |
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"duplicate argument", |
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"duplicate display type", |
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"duplicate list type", |
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"unknown AT&T UNIX version", |
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"bad Boolean value", |
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"unknown font", |
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"unknown standard specifier", |
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"bad width argument", |
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/* related to plain text */ |
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"blank line in non-literal context", |
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"tab in non-literal context", |
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"end of line whitespace", |
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"bad comment style", |
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"unknown escape sequence", |
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"unterminated quoted string", |
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"generic error", |
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/* related to tables */ |
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"bad table syntax", |
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"bad table option", |
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"bad table layout", |
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"no table layout cells specified", |
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"no table data cells specified", |
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"ignore data in cell", |
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"data block still open", |
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"ignoring extra data cells", |
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"input stack limit exceeded, infinite loop?", |
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"skipping bad character", |
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"escaped character not allowed in a name", |
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"skipping text before the first section header", |
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"skipping unknown macro", |
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"NOT IMPLEMENTED, please use groff: skipping request", |
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"line scope broken", |
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"argument count wrong", |
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"skipping end of block that is not open", |
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"missing end of block", |
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"scope open on exit", |
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"uname(3) system call failed", |
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"macro requires line argument(s)", |
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"macro requires body argument(s)", |
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"macro requires argument(s)", |
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"missing list type", |
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"line argument(s) will be lost", |
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"body argument(s) will be lost", |
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"generic fatal error", |
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"column syntax is inconsistent", |
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"NOT IMPLEMENTED: .Bd -file", |
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"line scope broken, syntax violated", |
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"argument count wrong, violates syntax", |
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"child violates parent syntax", |
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"argument count wrong, violates syntax", |
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"NOT IMPLEMENTED: .so with absolute path or \"..\"", |
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"no document body", |
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"no document prologue", |
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"static buffer exhausted", |
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}; |
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static void parsebuf(struct curparse *, struct buf, int); |
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static void pdesc(struct curparse *); |
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static void fdesc(struct curparse *); |
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static void ffile(const char *, struct curparse *); |
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static int pfile(const char *, struct curparse *); |
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static int moptions(enum intt *, char *); |
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static int mmsg(enum mandocerr, void *, |
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int, int, const char *); |
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static void pset(const char *, int, struct curparse *); |
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static int toptions(struct curparse *, char *); |
static int toptions(struct curparse *, char *); |
static void usage(void) __attribute__((noreturn)); |
static void usage(void) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
static void version(void) __attribute__((noreturn)); |
static int woptions(struct curparse *, char *); |
static int woptions(struct curparse *, char *); |
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static const char *progname; |
static const char *progname; |
static enum mandoclevel file_status = MANDOCLEVEL_OK; |
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static enum mandoclevel exit_status = MANDOCLEVEL_OK; |
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int |
int |
main(int argc, char *argv[]) |
main(int argc, char *argv[]) |
{ |
{ |
int c; |
int c; |
struct curparse curp; |
struct curparse curp; |
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enum mparset type; |
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enum mandoclevel rc; |
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progname = strrchr(argv[0], '/'); |
progname = strrchr(argv[0], '/'); |
if (progname == NULL) |
if (progname == NULL) |
Line 258 main(int argc, char *argv[]) |
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Line 93 main(int argc, char *argv[]) |
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memset(&curp, 0, sizeof(struct curparse)); |
memset(&curp, 0, sizeof(struct curparse)); |
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curp.inttype = INTT_AUTO; |
type = MPARSE_AUTO; |
curp.outtype = OUTT_ASCII; |
curp.outtype = OUTT_ASCII; |
curp.wlevel = MANDOCLEVEL_FATAL; |
curp.wlevel = MANDOCLEVEL_FATAL; |
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Line 266 main(int argc, char *argv[]) |
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Line 101 main(int argc, char *argv[]) |
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while (-1 != (c = getopt(argc, argv, "m:O:T:VW:"))) |
while (-1 != (c = getopt(argc, argv, "m:O:T:VW:"))) |
switch (c) { |
switch (c) { |
case ('m'): |
case ('m'): |
if ( ! moptions(&curp.inttype, optarg)) |
if ( ! moptions(&type, optarg)) |
return((int)MANDOCLEVEL_BADARG); |
return((int)MANDOCLEVEL_BADARG); |
break; |
break; |
case ('O'): |
case ('O'): |
Line 289 main(int argc, char *argv[]) |
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Line 124 main(int argc, char *argv[]) |
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/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
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curp.mp = mparse_alloc(type, curp.wlevel, mmsg, &curp); |
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argc -= optind; |
argc -= optind; |
argv += optind; |
argv += optind; |
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if (NULL == *argv) { |
rc = MANDOCLEVEL_OK; |
curp.file = "<stdin>"; |
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curp.fd = STDIN_FILENO; |
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fdesc(&curp); |
if (NULL == *argv) |
} |
parse(&curp, STDIN_FILENO, "<stdin>", &rc); |
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while (*argv) { |
while (*argv) { |
ffile(*argv, &curp); |
parse(&curp, -1, *argv, &rc); |
if (MANDOCLEVEL_OK != exit_status && curp.wstop) |
if (MANDOCLEVEL_OK != rc && curp.wstop) |
break; |
break; |
++argv; |
++argv; |
} |
} |
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if (curp.outfree) |
if (curp.outfree) |
(*curp.outfree)(curp.outdata); |
(*curp.outfree)(curp.outdata); |
if (curp.pmdoc) |
if (curp.mp) |
mdoc_free(curp.pmdoc); |
mparse_free(curp.mp); |
if (curp.pman) |
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man_free(curp.pman); |
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if (curp.roff) |
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roff_free(curp.roff); |
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return((int)exit_status); |
return((int)rc); |
} |
} |
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static void |
static void |
version(void) |
version(void) |
{ |
{ |
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(void)printf("%s %s\n", progname, VERSION); |
printf("%s %s\n", progname, VERSION); |
exit((int)MANDOCLEVEL_OK); |
exit((int)MANDOCLEVEL_OK); |
} |
} |
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static void |
static void |
usage(void) |
usage(void) |
{ |
{ |
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(void)fprintf(stderr, "usage: %s " |
fprintf(stderr, "usage: %s " |
"[-V] " |
"[-V] " |
"[-foption] " |
"[-foption] " |
"[-mformat] " |
"[-mformat] " |
"[-Ooption] " |
"[-Ooption] " |
"[-Toutput] " |
"[-Toutput] " |
"[-Werr] " |
"[-Wlevel] " |
"[file...]\n", |
"[file...]\n", |
progname); |
progname); |
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} |
} |
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static void |
static void |
ffile(const char *file, struct curparse *curp) |
parse(struct curparse *curp, int fd, |
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const char *file, enum mandoclevel *level) |
{ |
{ |
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enum mandoclevel rc; |
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struct mdoc *mdoc; |
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struct man *man; |
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/* |
/* Begin by parsing the file itself. */ |
* Called once per input file. Get the file ready for reading, |
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* pass it through to the parser-driver, then close it out. |
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* XXX: don't do anything special as this is only called for |
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* files; stdin goes directly to fdesc(). |
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*/ |
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curp->file = file; |
assert(file); |
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assert(fd >= -1); |
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if (-1 == (curp->fd = open(curp->file, O_RDONLY, 0))) { |
rc = mparse_readfd(curp->mp, fd, file); |
perror(curp->file); |
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exit_status = MANDOCLEVEL_SYSERR; |
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return; |
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} |
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fdesc(curp); |
/* Stop immediately if the parse has failed. */ |
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if (-1 == close(curp->fd)) |
if (MANDOCLEVEL_FATAL <= rc) |
perror(curp->file); |
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} |
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static int |
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pfile(const char *file, struct curparse *curp) |
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{ |
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const char *savefile; |
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int fd, savefd; |
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if (-1 == (fd = open(file, O_RDONLY, 0))) { |
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perror(file); |
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file_status = MANDOCLEVEL_SYSERR; |
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return(0); |
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} |
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savefile = curp->file; |
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savefd = curp->fd; |
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curp->file = file; |
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curp->fd = fd; |
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pdesc(curp); |
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curp->file = savefile; |
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curp->fd = savefd; |
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if (-1 == close(fd)) |
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perror(file); |
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return(MANDOCLEVEL_FATAL > file_status ? 1 : 0); |
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} |
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static void |
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resize_buf(struct buf *buf, size_t initial) |
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{ |
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buf->sz = buf->sz > initial/2 ? 2 * buf->sz : initial; |
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buf->buf = realloc(buf->buf, buf->sz); |
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if (NULL == buf->buf) { |
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perror(NULL); |
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exit((int)MANDOCLEVEL_SYSERR); |
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} |
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} |
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static int |
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read_whole_file(struct curparse *curp, struct buf *fb, int *with_mmap) |
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{ |
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struct stat st; |
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size_t off; |
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ssize_t ssz; |
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if (-1 == fstat(curp->fd, &st)) { |
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perror(curp->file); |
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return(0); |
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} |
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/* |
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* If we're a regular file, try just reading in the whole entry |
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* via mmap(). This is faster than reading it into blocks, and |
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* since each file is only a few bytes to begin with, I'm not |
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* concerned that this is going to tank any machines. |
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*/ |
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if (S_ISREG(st.st_mode)) { |
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if (st.st_size >= (1U << 31)) { |
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fprintf(stderr, "%s: input too large\n", |
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curp->file); |
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return(0); |
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} |
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*with_mmap = 1; |
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fb->sz = (size_t)st.st_size; |
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fb->buf = mmap(NULL, fb->sz, PROT_READ, |
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MAP_FILE|MAP_SHARED, curp->fd, 0); |
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if (fb->buf != MAP_FAILED) |
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return(1); |
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} |
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/* |
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* If this isn't a regular file (like, say, stdin), then we must |
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* go the old way and just read things in bit by bit. |
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*/ |
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*with_mmap = 0; |
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off = 0; |
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fb->sz = 0; |
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fb->buf = NULL; |
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for (;;) { |
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if (off == fb->sz) { |
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if (fb->sz == (1U << 31)) { |
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fprintf(stderr, "%s: input too large\n", |
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curp->file); |
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break; |
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} |
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resize_buf(fb, 65536); |
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} |
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ssz = read(curp->fd, fb->buf + (int)off, fb->sz - off); |
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if (ssz == 0) { |
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fb->sz = off; |
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return(1); |
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} |
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if (ssz == -1) { |
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perror(curp->file); |
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break; |
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} |
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off += (size_t)ssz; |
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} |
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free(fb->buf); |
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fb->buf = NULL; |
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return(0); |
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} |
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static void |
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fdesc(struct curparse *curp) |
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{ |
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/* |
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* Called once per file with an opened file descriptor. All |
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* pre-file-parse operations (whether stdin or a file) should go |
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* here. |
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* |
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* This calls down into the nested parser, which drills down and |
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* fully parses a file and all its dependences (i.e., `so'). It |
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* then runs the cleanup validators and pushes to output. |
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*/ |
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/* Zero the parse type. */ |
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curp->mdoc = NULL; |
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curp->man = NULL; |
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file_status = MANDOCLEVEL_OK; |
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/* Make sure the mandotory roff parser is initialised. */ |
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if (NULL == curp->roff) { |
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curp->roff = roff_alloc(&curp->regs, curp, mmsg); |
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assert(curp->roff); |
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} |
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/* Fully parse the file. */ |
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pdesc(curp); |
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if (MANDOCLEVEL_FATAL <= file_status) |
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goto cleanup; |
goto cleanup; |
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/* NOTE a parser may not have been assigned, yet. */ |
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if ( ! (curp->man || curp->mdoc)) { |
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fprintf(stderr, "%s: Not a manual\n", curp->file); |
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file_status = MANDOCLEVEL_FATAL; |
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goto cleanup; |
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} |
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/* Clean up the parse routine ASTs. */ |
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if (curp->mdoc && ! mdoc_endparse(curp->mdoc)) { |
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assert(MANDOCLEVEL_FATAL <= file_status); |
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goto cleanup; |
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} |
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if (curp->man && ! man_endparse(curp->man)) { |
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assert(MANDOCLEVEL_FATAL <= file_status); |
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goto cleanup; |
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} |
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assert(curp->roff); |
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roff_endparse(curp->roff); |
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/* |
/* |
* With -Wstop and warnings or errors of at least |
* With -Wstop and warnings or errors of at least the requested |
* the requested level, do not produce output. |
* level, do not produce output. |
*/ |
*/ |
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if (MANDOCLEVEL_OK != file_status && curp->wstop) |
if (MANDOCLEVEL_OK != rc && curp->wstop) |
goto cleanup; |
goto cleanup; |
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/* If unset, allocate output dev now (if applicable). */ |
/* If unset, allocate output dev now (if applicable). */ |
Line 553 fdesc(struct curparse *curp) |
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Line 208 fdesc(struct curparse *curp) |
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switch (curp->outtype) { |
switch (curp->outtype) { |
case (OUTT_XHTML): |
case (OUTT_XHTML): |
curp->outdata = xhtml_alloc(curp->outopts); |
curp->outdata = xhtml_alloc(curp->outopts); |
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curp->outfree = html_free; |
break; |
break; |
case (OUTT_HTML): |
case (OUTT_HTML): |
curp->outdata = html_alloc(curp->outopts); |
curp->outdata = html_alloc(curp->outopts); |
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curp->outfree = html_free; |
break; |
break; |
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case (OUTT_UTF8): |
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curp->outdata = utf8_alloc(curp->outopts); |
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curp->outfree = ascii_free; |
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break; |
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case (OUTT_LOCALE): |
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curp->outdata = locale_alloc(curp->outopts); |
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curp->outfree = ascii_free; |
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break; |
case (OUTT_ASCII): |
case (OUTT_ASCII): |
curp->outdata = ascii_alloc(curp->outopts); |
curp->outdata = ascii_alloc(curp->outopts); |
curp->outfree = ascii_free; |
curp->outfree = ascii_free; |
Line 579 fdesc(struct curparse *curp) |
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Line 244 fdesc(struct curparse *curp) |
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case (OUTT_XHTML): |
case (OUTT_XHTML): |
curp->outman = html_man; |
curp->outman = html_man; |
curp->outmdoc = html_mdoc; |
curp->outmdoc = html_mdoc; |
curp->outfree = html_free; |
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break; |
break; |
case (OUTT_TREE): |
case (OUTT_TREE): |
curp->outman = tree_man; |
curp->outman = tree_man; |
Line 589 fdesc(struct curparse *curp) |
|
Line 253 fdesc(struct curparse *curp) |
|
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (OUTT_ASCII): |
case (OUTT_ASCII): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
|
case (OUTT_UTF8): |
|
/* FALLTHROUGH */ |
|
case (OUTT_LOCALE): |
|
/* FALLTHROUGH */ |
case (OUTT_PS): |
case (OUTT_PS): |
curp->outman = terminal_man; |
curp->outman = terminal_man; |
curp->outmdoc = terminal_mdoc; |
curp->outmdoc = terminal_mdoc; |
Line 598 fdesc(struct curparse *curp) |
|
Line 266 fdesc(struct curparse *curp) |
|
} |
} |
} |
} |
|
|
|
mparse_result(curp->mp, &mdoc, &man); |
|
|
/* Execute the out device, if it exists. */ |
/* Execute the out device, if it exists. */ |
|
|
if (curp->man && curp->outman) |
if (man && curp->outman) |
(*curp->outman)(curp->outdata, curp->man); |
(*curp->outman)(curp->outdata, man); |
if (curp->mdoc && curp->outmdoc) |
if (mdoc && curp->outmdoc) |
(*curp->outmdoc)(curp->outdata, curp->mdoc); |
(*curp->outmdoc)(curp->outdata, mdoc); |
|
|
cleanup: |
cleanup: |
|
|
memset(&curp->regs, 0, sizeof(struct regset)); |
mparse_reset(curp->mp); |
|
|
/* Reset the current-parse compilers. */ |
if (*level < rc) |
|
*level = rc; |
if (curp->mdoc) |
|
mdoc_reset(curp->mdoc); |
|
if (curp->man) |
|
man_reset(curp->man); |
|
|
|
assert(curp->roff); |
|
roff_reset(curp->roff); |
|
|
|
if (exit_status < file_status) |
|
exit_status = file_status; |
|
|
|
return; |
|
} |
} |
|
|
static void |
|
pdesc(struct curparse *curp) |
|
{ |
|
struct buf blk; |
|
int with_mmap; |
|
|
|
/* |
|
* Run for each opened file; may be called more than once for |
|
* each full parse sequence if the opened file is nested (i.e., |
|
* from `so'). Simply sucks in the whole file and moves into |
|
* the parse phase for the file. |
|
*/ |
|
|
|
if ( ! read_whole_file(curp, &blk, &with_mmap)) { |
|
file_status = MANDOCLEVEL_SYSERR; |
|
return; |
|
} |
|
|
|
/* Line number is per-file. */ |
|
|
|
curp->line = 1; |
|
|
|
parsebuf(curp, blk, 1); |
|
|
|
if (with_mmap) |
|
munmap(blk.buf, blk.sz); |
|
else |
|
free(blk.buf); |
|
} |
|
|
|
static void |
|
parsebuf(struct curparse *curp, struct buf blk, int start) |
|
{ |
|
const struct tbl_span *span; |
|
struct buf ln; |
|
enum rofferr rr; |
|
int i, of, rc; |
|
int pos; /* byte number in the ln buffer */ |
|
int lnn; /* line number in the real file */ |
|
unsigned char c; |
|
|
|
/* |
|
* Main parse routine for an opened file. This is called for |
|
* each opened file and simply loops around the full input file, |
|
* possibly nesting (i.e., with `so'). |
|
*/ |
|
|
|
memset(&ln, 0, sizeof(struct buf)); |
|
|
|
lnn = curp->line; |
|
pos = 0; |
|
|
|
for (i = 0; i < (int)blk.sz; ) { |
|
if (0 == pos && '\0' == blk.buf[i]) |
|
break; |
|
|
|
if (start) { |
|
curp->line = lnn; |
|
curp->reparse_count = 0; |
|
} |
|
|
|
while (i < (int)blk.sz && (start || '\0' != blk.buf[i])) { |
|
|
|
/* |
|
* When finding an unescaped newline character, |
|
* leave the character loop to process the line. |
|
* Skip a preceding carriage return, if any. |
|
*/ |
|
|
|
if ('\r' == blk.buf[i] && i + 1 < (int)blk.sz && |
|
'\n' == blk.buf[i + 1]) |
|
++i; |
|
if ('\n' == blk.buf[i]) { |
|
++i; |
|
++lnn; |
|
break; |
|
} |
|
|
|
/* |
|
* Warn about bogus characters. If you're using |
|
* non-ASCII encoding, you're screwing your |
|
* readers. Since I'd rather this not happen, |
|
* I'll be helpful and drop these characters so |
|
* we don't display gibberish. Note to manual |
|
* writers: use special characters. |
|
*/ |
|
|
|
c = (unsigned char) blk.buf[i]; |
|
|
|
if ( ! (isascii(c) && |
|
(isgraph(c) || isblank(c)))) { |
|
mmsg(MANDOCERR_BADCHAR, curp, |
|
curp->line, pos, "ignoring byte"); |
|
i++; |
|
continue; |
|
} |
|
|
|
/* Trailing backslash = a plain char. */ |
|
|
|
if ('\\' != blk.buf[i] || i + 1 == (int)blk.sz) { |
|
if (pos >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
ln.buf[pos++] = blk.buf[i++]; |
|
continue; |
|
} |
|
|
|
/* |
|
* Found escape and at least one other character. |
|
* When it's a newline character, skip it. |
|
* When there is a carriage return in between, |
|
* skip that one as well. |
|
*/ |
|
|
|
if ('\r' == blk.buf[i + 1] && i + 2 < (int)blk.sz && |
|
'\n' == blk.buf[i + 2]) |
|
++i; |
|
if ('\n' == blk.buf[i + 1]) { |
|
i += 2; |
|
++lnn; |
|
continue; |
|
} |
|
|
|
if ('"' == blk.buf[i + 1]) { |
|
i += 2; |
|
/* Comment, skip to end of line */ |
|
for (; i < (int)blk.sz; ++i) { |
|
if ('\n' == blk.buf[i]) { |
|
++i; |
|
++lnn; |
|
break; |
|
} |
|
} |
|
|
|
/* Backout trailing whitespaces */ |
|
for (; pos > 0; --pos) { |
|
if (ln.buf[pos - 1] != ' ') |
|
break; |
|
if (pos > 2 && ln.buf[pos - 2] == '\\') |
|
break; |
|
} |
|
break; |
|
} |
|
|
|
/* Some other escape sequence, copy & cont. */ |
|
|
|
if (pos + 1 >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
|
|
ln.buf[pos++] = blk.buf[i++]; |
|
ln.buf[pos++] = blk.buf[i++]; |
|
} |
|
|
|
if (pos >= (int)ln.sz) |
|
resize_buf(&ln, 256); |
|
|
|
ln.buf[pos] = '\0'; |
|
|
|
/* |
|
* A significant amount of complexity is contained by |
|
* the roff preprocessor. It's line-oriented but can be |
|
* expressed on one line, so we need at times to |
|
* readjust our starting point and re-run it. The roff |
|
* preprocessor can also readjust the buffers with new |
|
* data, so we pass them in wholesale. |
|
*/ |
|
|
|
of = 0; |
|
|
|
rerun: |
|
rr = roff_parseln |
|
(curp->roff, curp->line, |
|
&ln.buf, &ln.sz, of, &of); |
|
|
|
switch (rr) { |
|
case (ROFF_REPARSE): |
|
if (REPARSE_LIMIT >= ++curp->reparse_count) |
|
parsebuf(curp, ln, 0); |
|
else |
|
mmsg(MANDOCERR_ROFFLOOP, curp, |
|
curp->line, pos, NULL); |
|
pos = 0; |
|
continue; |
|
case (ROFF_APPEND): |
|
pos = strlen(ln.buf); |
|
continue; |
|
case (ROFF_RERUN): |
|
goto rerun; |
|
case (ROFF_IGN): |
|
pos = 0; |
|
continue; |
|
case (ROFF_ERR): |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
break; |
|
case (ROFF_SO): |
|
if (pfile(ln.buf + of, curp)) { |
|
pos = 0; |
|
continue; |
|
} else |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
/* |
|
* If we encounter errors in the recursive parsebuf() |
|
* call, make sure we don't continue parsing. |
|
*/ |
|
|
|
if (MANDOCLEVEL_FATAL <= file_status) |
|
break; |
|
|
|
/* |
|
* If input parsers have not been allocated, do so now. |
|
* We keep these instanced betwen parsers, but set them |
|
* locally per parse routine since we can use different |
|
* parsers with each one. |
|
*/ |
|
|
|
if ( ! (curp->man || curp->mdoc)) |
|
pset(ln.buf + of, pos - of, curp); |
|
|
|
/* |
|
* Lastly, push down into the parsers themselves. One |
|
* of these will have already been set in the pset() |
|
* routine. |
|
* If libroff returns ROFF_TBL, then add it to the |
|
* currently open parse. Since we only get here if |
|
* there does exist data (see tbl_data.c), we're |
|
* guaranteed that something's been allocated. |
|
* Do the same for ROFF_EQN. |
|
*/ |
|
|
|
rc = -1; |
|
|
|
if (ROFF_TBL == rr) |
|
while (NULL != (span = roff_span(curp->roff))) { |
|
rc = curp->man ? |
|
man_addspan(curp->man, span) : |
|
mdoc_addspan(curp->mdoc, span); |
|
if (0 == rc) |
|
break; |
|
} |
|
else if (ROFF_EQN == rr) |
|
rc = curp->mdoc ? |
|
mdoc_addeqn(curp->mdoc, |
|
roff_eqn(curp->roff)) : |
|
man_addeqn(curp->man, |
|
roff_eqn(curp->roff)); |
|
else if (curp->man || curp->mdoc) |
|
rc = curp->man ? |
|
man_parseln(curp->man, |
|
curp->line, ln.buf, of) : |
|
mdoc_parseln(curp->mdoc, |
|
curp->line, ln.buf, of); |
|
|
|
if (0 == rc) { |
|
assert(MANDOCLEVEL_FATAL <= file_status); |
|
break; |
|
} |
|
|
|
/* Temporary buffers typically are not full. */ |
|
|
|
if (0 == start && '\0' == blk.buf[i]) |
|
break; |
|
|
|
/* Start the next input line. */ |
|
|
|
pos = 0; |
|
} |
|
|
|
free(ln.buf); |
|
} |
|
|
|
static void |
|
pset(const char *buf, int pos, struct curparse *curp) |
|
{ |
|
int i; |
|
|
|
/* |
|
* Try to intuit which kind of manual parser should be used. If |
|
* passed in by command-line (-man, -mdoc), then use that |
|
* explicitly. If passed as -mandoc, then try to guess from the |
|
* line: either skip dot-lines, use -mdoc when finding `.Dt', or |
|
* default to -man, which is more lenient. |
|
* |
|
* Separate out pmdoc/pman from mdoc/man: the first persists |
|
* through all parsers, while the latter is used per-parse. |
|
*/ |
|
|
|
if ('.' == buf[0] || '\'' == buf[0]) { |
|
for (i = 1; buf[i]; i++) |
|
if (' ' != buf[i] && '\t' != buf[i]) |
|
break; |
|
if ('\0' == buf[i]) |
|
return; |
|
} |
|
|
|
switch (curp->inttype) { |
|
case (INTT_MDOC): |
|
if (NULL == curp->pmdoc) |
|
curp->pmdoc = mdoc_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pmdoc); |
|
curp->mdoc = curp->pmdoc; |
|
return; |
|
case (INTT_MAN): |
|
if (NULL == curp->pman) |
|
curp->pman = man_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pman); |
|
curp->man = curp->pman; |
|
return; |
|
default: |
|
break; |
|
} |
|
|
|
if (pos >= 3 && 0 == memcmp(buf, ".Dd", 3)) { |
|
if (NULL == curp->pmdoc) |
|
curp->pmdoc = mdoc_alloc |
|
(&curp->regs, curp, mmsg); |
|
assert(curp->pmdoc); |
|
curp->mdoc = curp->pmdoc; |
|
return; |
|
} |
|
|
|
if (NULL == curp->pman) |
|
curp->pman = man_alloc(&curp->regs, curp, mmsg); |
|
assert(curp->pman); |
|
curp->man = curp->pman; |
|
} |
|
|
|
static int |
static int |
moptions(enum intt *tflags, char *arg) |
moptions(enum mparset *tflags, char *arg) |
{ |
{ |
|
|
if (0 == strcmp(arg, "doc")) |
if (0 == strcmp(arg, "doc")) |
*tflags = INTT_MDOC; |
*tflags = MPARSE_MDOC; |
else if (0 == strcmp(arg, "andoc")) |
else if (0 == strcmp(arg, "andoc")) |
*tflags = INTT_AUTO; |
*tflags = MPARSE_AUTO; |
else if (0 == strcmp(arg, "an")) |
else if (0 == strcmp(arg, "an")) |
*tflags = INTT_MAN; |
*tflags = MPARSE_MAN; |
else { |
else { |
fprintf(stderr, "%s: Bad argument\n", arg); |
fprintf(stderr, "%s: Bad argument\n", arg); |
return(0); |
return(0); |
Line 983 toptions(struct curparse *curp, char *arg) |
|
Line 310 toptions(struct curparse *curp, char *arg) |
|
else if (0 == strcmp(arg, "lint")) { |
else if (0 == strcmp(arg, "lint")) { |
curp->outtype = OUTT_LINT; |
curp->outtype = OUTT_LINT; |
curp->wlevel = MANDOCLEVEL_WARNING; |
curp->wlevel = MANDOCLEVEL_WARNING; |
} |
} else if (0 == strcmp(arg, "tree")) |
else if (0 == strcmp(arg, "tree")) |
|
curp->outtype = OUTT_TREE; |
curp->outtype = OUTT_TREE; |
else if (0 == strcmp(arg, "html")) |
else if (0 == strcmp(arg, "html")) |
curp->outtype = OUTT_HTML; |
curp->outtype = OUTT_HTML; |
|
else if (0 == strcmp(arg, "utf8")) |
|
curp->outtype = OUTT_UTF8; |
|
else if (0 == strcmp(arg, "locale")) |
|
curp->outtype = OUTT_LOCALE; |
else if (0 == strcmp(arg, "xhtml")) |
else if (0 == strcmp(arg, "xhtml")) |
curp->outtype = OUTT_XHTML; |
curp->outtype = OUTT_XHTML; |
else if (0 == strcmp(arg, "ps")) |
else if (0 == strcmp(arg, "ps")) |
Line 1041 woptions(struct curparse *curp, char *arg) |
|
Line 371 woptions(struct curparse *curp, char *arg) |
|
return(1); |
return(1); |
} |
} |
|
|
static int |
static void |
mmsg(enum mandocerr t, void *arg, int ln, int col, const char *msg) |
mmsg(enum mandocerr t, enum mandoclevel lvl, |
|
const char *file, int line, int col, const char *msg) |
{ |
{ |
struct curparse *cp; |
|
enum mandoclevel level; |
|
|
|
level = MANDOCLEVEL_FATAL; |
fprintf(stderr, "%s:%d:%d: %s: %s", |
while (t < mandoclimits[level]) |
file, line, col + 1, |
/* LINTED */ |
mparse_strlevel(lvl), |
level--; |
mparse_strerror(t)); |
|
|
cp = (struct curparse *)arg; |
|
if (level < cp->wlevel) |
|
return(1); |
|
|
|
fprintf(stderr, "%s:%d:%d: %s: %s", |
|
cp->file, ln, col + 1, mandoclevels[level], mandocerrs[t]); |
|
if (msg) |
if (msg) |
fprintf(stderr, ": %s", msg); |
fprintf(stderr, ": %s", msg); |
fputc('\n', stderr); |
|
|
|
if (file_status < level) |
fputc('\n', stderr); |
file_status = level; |
|
|
|
return(level < MANDOCLEVEL_FATAL); |
|
} |
} |