diff options
Diffstat (limited to 'mlg.c')
| -rw-r--r-- | mlg.c | 536 |
1 files changed, 207 insertions, 329 deletions
@@ -1,4 +1,4 @@ -/* $Id: mlg.c,v 1.19 2008/12/07 21:30:49 kristaps Exp $ */ +/* $Id: mlg.c,v 1.20 2008/12/07 22:40:18 kristaps Exp $ */ /* * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se> * @@ -59,35 +59,46 @@ struct md_mlg { void *data; }; - -static char *mlg_literal(int); -static char *mlg_At_literal(const char *); -static char *mlg_fmt(int); -static char *mlg_St_literal(int); -static void mlg_roffmsg(void *arg, enum roffmsg, - const char *, const char *, char *); +static void mlg_roffmsg(void *arg, + enum roffmsg, const char *, + const char *, const char *); static int mlg_roffhead(void *, const struct tm *, const char *, const char *, const char *, const char *); static int mlg_rofftail(void *); -static int mlg_roffin(void *, int, int *, char **); +static int mlg_roffin(void *, int, + int *, const char **); static int mlg_roffdata(void *, int, - const char *, char *); + const char *, const char *); static int mlg_roffout(void *, int); -static int mlg_roffblkin(void *, int, int *, char **); +static int mlg_roffblkin(void *, int, int *, + const char **); static int mlg_roffblkout(void *, int); static int mlg_roffspecial(void *, int, const char *, const int *, - const char **, char **); + const char **, const char **); static int mlg_roffblkheadin(void *, int, - int *, char **); + int *, const char **); static int mlg_roffblkheadout(void *, int); static int mlg_roffblkbodyin(void *, int, - int *, char **); + int *, const char **); static int mlg_roffblkbodyout(void *, int); +static int mlg_ref_special(struct md_mlg *, int, + const char *, const char **); +static int mlg_formatted_special(struct md_mlg *, + int, const int *, + const char **, const char **); +static int mlg_literal_special(struct md_mlg *, + int, const char *, const int *, + const char **, const char **); +static int mlg_function_special(struct md_mlg *, + const char *, const char **); +static int mlg_atom_special(struct md_mlg *, int, + const char *, const char **); + static int mlg_begintag(struct md_mlg *, enum md_ns, - int, int *, char **); + int, int *, const char **); static int mlg_endtag(struct md_mlg *, enum md_ns, int); static int mlg_indent(struct md_mlg *); static int mlg_newline(struct md_mlg *); @@ -97,11 +108,12 @@ static int mlg_nstring(struct md_mlg *, static int mlg_string(struct md_mlg *, const char *, const char *); static int mlg_data(struct md_mlg *, int, - const char *, char *); + const char *, const char *); static void mlg_err(struct md_mlg *, const char *, const char *, const char *, ...); -static void mlg_msg(struct md_mlg *, enum roffmsg, - const char *, const char *, char *); +static void mlg_msg(struct md_mlg *, + enum roffmsg, const char *, + const char *, const char *); static void mlg_vmsg(struct md_mlg *, enum roffmsg, const char *, const char *, const char *, va_list); @@ -112,173 +124,9 @@ extern size_t strlcpy(char *, const char *, size_t); #endif -static char * -mlg_St_literal(int argc) -{ - - switch (argc) { - case(ROFF_p1003_1_88): - return("IEEE Std 1003.1-1988 (“POSIX”)"); - case(ROFF_p1003_1_90): - return("IEEE Std 1003.1-1990 (“POSIX”)"); - case(ROFF_p1003_1_96): - return("ISO/IEC 9945-1:1996 (“POSIX”)"); - case(ROFF_p1003_1_2001): - return("IEEE Std 1003.1-2001 (“POSIX”)"); - case(ROFF_p1003_1_2004): - return("IEEE Std 1003.1-2004 (“POSIX”)"); - case(ROFF_p1003_1): - return("IEEE Std 1003.1 (“POSIX”)"); - case(ROFF_p1003_1b): - return("IEEE Std 1003.1b (“POSIX”)"); - case(ROFF_p1003_1b_93): - return("IEEE Std 1003.1b-1993 (“POSIX”)"); - case(ROFF_p1003_1c_95): - return("IEEE Std 1003.1c-1995 (“POSIX”)"); - case(ROFF_p1003_1g_2000): - return("IEEE Std 1003.1g-2000 (“POSIX”)"); - case(ROFF_p1003_2_92): - return("IEEE Std 1003.2-1992 (“POSIX.2”)"); - case(ROFF_p1387_2_95): - return("IEEE Std 1387.2-1995 (“POSIX.7.2”)"); - case(ROFF_p1003_2): - return("IEEE Std 1003.2 (“POSIX.2”)"); - case(ROFF_p1387_2): - return("IEEE Std 1387.2 (“POSIX.7.2”)"); - case(ROFF_isoC_90): - return("ISO/IEC 9899:1990 (“ISO C90”)"); - case(ROFF_isoC_amd1): - return("ISO/IEC 9899/AMD1:1995 (“ISO C90”)"); - case(ROFF_isoC_tcor1): - return("ISO/IEC 9899/TCOR1:1994 (“ISO C90”)"); - case(ROFF_isoC_tcor2): - return("ISO/IEC 9899/TCOR2:1995 (“ISO C90”)"); - case(ROFF_isoC_99): - return("ISO/IEC 9899:1999 (“ISO C99”)"); - case(ROFF_ansiC): - return("ANSI X3.159-1989 (“ANSI C”)"); - case(ROFF_ansiC_89): - return("ANSI X3.159-1989 (“ANSI C”)"); - case(ROFF_ansiC_99): - return("ANSI/ISO/IEC 9899-1999 (“ANSI C99”)"); - case(ROFF_ieee754): - return("IEEE Std 754-1985"); - case(ROFF_iso8802_3): - return("ISO 8802-3: 1989"); - case(ROFF_xpg3): - return("X/Open Portability Guide Issue 3 (“XPG3”)"); - case(ROFF_xpg4): - return("X/Open Portability Guide Issue 4 (“XPG4”)"); - case(ROFF_xpg4_2): - return("X/Open Portability Guide Issue 4.2 (“XPG4.2”)"); - case(ROFF_xpg4_3): - return("X/Open Portability Guide Issue 4.3 (“XPG4.3”)"); - case(ROFF_xbd5): - return("X/Open System Interface Definitions Issue 5 (“XBD5”)"); - case(ROFF_xcu5): - return("X/Open Commands and Utilities Issue 5 (“XCU5”)"); - case(ROFF_xsh5): - return("X/Open System Interfaces and Headers Issue 5 (“XSH5”)"); - case(ROFF_xns5): - return("X/Open Networking Services Issue 5 (“XNS5”)"); - case(ROFF_xns5_2d2_0): - return("X/Open Networking Services Issue 5.2 Draft 2.0 (“XNS5.2D2.0”)"); - case(ROFF_xcurses4_2): - return("X/Open Curses Issue 4 Version 2 (“XCURSES4.2”)"); - case(ROFF_susv2): - return("Version 2 of the Single UNIX Specification"); - case(ROFF_susv3): - return("Version 3 of the Single UNIX Specification"); - case(ROFF_svid4): - return("System V Interface Definition, Fourth Edition (“SVID4”)"); - default: - break; - } - - abort(); - /* NOTREACHED */ -} - - -static char * -mlg_At_literal(const char *p) -{ - - if (NULL == p) - return("AT&T UNIX"); - if (0 == strcmp(p, "v6")) - return("Version 6 AT&T UNIX"); - else if (0 == strcmp(p, "v7")) - return("Version 7 AT&T UNIX"); - else if (0 == strcmp(p, "32v")) - return("Version 32v AT&T UNIX"); - else if (0 == strcmp(p, "V.1")) - return("AT&T System V.1 UNIX"); - else if (0 == strcmp(p, "V.4")) - return("AT&T System V.4 UNIX"); - - abort(); - /* NOTREACHED */ -} - - -static char * -mlg_fmt(int tok) -{ - - switch (tok) { - case (ROFF_Ex): - return ("The %s utility exits 0 on success, and " - ">0 if an error occurs."); - case (ROFF_Rv): - return ("The %s() function returns the value 0 if " - "successful; otherwise the value -1 " - "is returned and the global variable " - "<span class=\"inline-Va\">errno</span> " - "is set to indicate the error."); - case (ROFF_In): - return("#include <%s>"); - default: - break; - } - - abort(); - /* NOTREACHED */ -} - - -static char * -mlg_literal(int tok) -{ - - switch (tok) { - case (ROFF_Bt): - return("is currently in beta test."); - case (ROFF_Ud): - return("currently under development."); - case (ROFF_Fx): - return("FreeBSD"); - case (ROFF_Nx): - return("NetBSD"); - case (ROFF_Ox): - return("OpenBSD"); - case (ROFF_Ux): - return("UNIX"); - case (ROFF_Bx): - return("BSD"); - case (ROFF_Bsx): - return("BSDI BSD/OS"); - default: - break; - } - abort(); - /* NOTREACHED */ -} - - static int mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, - int *argc, char **argv) + int *argc, const char **argv) { ssize_t res; @@ -317,8 +165,8 @@ mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, if ( ! ml_nputs(p->mbuf, "<", 1, &p->pos)) return(0); - res = (*p->cbs.ml_begintag)(p->mbuf, p->data, p->args, ns, tok, - argc, (const char **)argv); + res = (*p->cbs.ml_begintag)(p->mbuf, p->data, + p->args, ns, tok, argc, argv); if (-1 == res) return(0); @@ -459,7 +307,8 @@ mlg_nstring(struct md_mlg *p, const char *start, static int -mlg_data(struct md_mlg *p, int space, const char *start, char *buf) +mlg_data(struct md_mlg *p, int space, + const char *start, const char *buf) { size_t sz; @@ -604,25 +453,157 @@ mlg_rofftail(void *arg) } +static int +mlg_literal_special(struct md_mlg *p, int tok, const char *start, + const int *argc, const char **argv, const char **more) +{ + char *lit; + + if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) + return(0); + + lit = ml_literal(tok, argc, argv, more); + assert(lit); + + if ( ! ml_puts(p->mbuf, lit, &p->pos)) + return(0); + while (*more) { + if ( ! ml_nputs(p->mbuf, " ", 1, &p->pos)) + return(0); + if ( ! mlg_string(p, start, *more++)) + return(0); + } + + return(mlg_endtag(p, MD_NS_INLINE, tok)); +} + + +static int +mlg_ref_special(struct md_mlg *p, int tok, + const char *start, const char **more) +{ + + if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) + return(0); + + assert(*more); + if ( ! ml_puts(p->mbuf, *more++, &p->pos)) + return(0); + + if (*more) { + if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) + return(0); + if ( ! mlg_string(p, start, *more++)) + return(0); + if ( ! ml_nputs(p->mbuf, ")", 1, &p->pos)) + return(0); + } + + assert(NULL == *more); + return(mlg_endtag(p, MD_NS_INLINE, tok)); +} + + +static int +mlg_formatted_special(struct md_mlg *p, int tok, + const int *argc, const char **argv, const char **more) +{ + char buf[256], *lit; + + /* FIXME: *more must be ml-filtered. */ + + if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) + return(0); + + lit = ml_literal(tok, argc, argv, more); + assert(lit); + assert(*more); + (void)snprintf(buf, sizeof(buf), lit, *more++); + assert(NULL == *more); + + if ( ! ml_puts(p->mbuf, buf, &p->pos)) + return(0); + + return(mlg_endtag(p, MD_NS_INLINE, tok)); +} + + +static int +mlg_atom_special(struct md_mlg *p, int tok, + const char *start, const char **more) +{ + + if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) + return(0); + + assert(*more); + if ( ! mlg_string(p, start, *more++)) + return(0); + + assert(NULL == *more); + return(mlg_endtag(p, MD_NS_INLINE, tok)); +} + + +static int +mlg_function_special(struct md_mlg *p, + const char *start, const char **more) +{ + + assert(*more); + + if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Fn, NULL, more)) + return(0); + if ( ! mlg_string(p, start, *more++)) + return(0); + if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Fn)) + return(0); + + if (NULL == *more) + return(1); + + if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) + return(0); + + p->flags |= ML_OVERRIDE_ONE; + + if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Fa, NULL, more)) + return(0); + if ( ! mlg_string(p, start, *more++)) + return(0); + if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Fa)) + return(0); + + while (*more) { + if ( ! ml_nputs(p->mbuf, ", ", 2, &p->pos)) + return(0); + if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Fa, NULL, more)) + return(0); + if ( ! mlg_string(p, start, *more++)) + return(0); + if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Fa)) + return(0); + } + + return(ml_nputs(p->mbuf, ")", 1, &p->pos)); +} + + /* ARGSUSED */ static int mlg_roffspecial(void *arg, int tok, const char *start, - const int *argc, const char **argv, char **more) + const int *argc, const char **argv, const char **more) { struct md_mlg *p; - char buf[256]; assert(arg); p = (struct md_mlg *)arg; - /* - * First handle macros without content. - */ - switch (tok) { case (ROFF_Ns): p->flags |= ML_OVERRIDE_ONE; return(1); + case (ROFF_Sm): assert(*more); if (0 == strcmp(*more, "on")) @@ -630,124 +611,34 @@ mlg_roffspecial(void *arg, int tok, const char *start, else p->flags &= ~ML_OVERRIDE_ALL; return(1); - default: - break; - } - - /* - * Handle macros put into different-token tags. - */ - switch (tok) { case (ROFF_Fn): - assert(*more); - if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) - return(0); - if (*more) { - if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) - return(0); - p->flags |= ML_OVERRIDE_ONE; - if ( ! mlg_begintag(p, MD_NS_INLINE, - ROFF_Fa, NULL, more)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Fa)) - return(0); - while (*more) { - if ( ! ml_nputs(p->mbuf, ", ", 2, &p->pos)) - return(0); - if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Fa, NULL, more)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Fa)) - return(0); - } - if ( ! ml_nputs(p->mbuf, ")", 1, &p->pos)) - return(0); - } - return(1); - default: - break; - } - - /* - * Now handle macros in their environments. - */ - - if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) - return(0); - - switch (tok) { - case (ROFF_St): - assert(NULL == *argv); - assert(ROFF_ARGMAX != *argc); - if ( ! ml_puts(p->mbuf, mlg_St_literal(*argc), - &p->pos)) - return(0); - while (*more) { - if ( ! ml_nputs(p->mbuf, " ", 1, &p->pos)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - } - break; + return(mlg_function_special(p, start, more)); case (ROFF_Xr): - if ( ! *more) { - mlg_err(p, start, start, "missing argument"); - return(0); - } - if ( ! ml_puts(p->mbuf, *more++, &p->pos)) - return(0); - if (*more) { - if ( ! ml_nputs(p->mbuf, "(", 1, &p->pos)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - if ( ! ml_nputs(p->mbuf, ")", 1, &p->pos)) - return(0); - } - if (*more) { - mlg_err(p, start, start, "too many arguments"); - return(0); - } - break; - - case (ROFF_Sx): + return(mlg_ref_special(p, tok, start, more)); + + case (ROFF_Sx): /* FIXME */ /* FALLTHROUGH */ case (ROFF_Nm): - assert(*more); - if ( ! mlg_string(p, start, *more++)) - return(0); - assert(NULL == *more); - break; + return(mlg_atom_special(p, tok, start, more)); case (ROFF_In): /* NOTREACHED */ case (ROFF_Ex): /* NOTREACHED */ case (ROFF_Rv): - assert(*more); - /* FIXME: *more must be ml-filtered. */ - (void)snprintf(buf, sizeof(buf), - mlg_fmt(tok), *more++); - if ( ! ml_puts(p->mbuf, buf, &p->pos)) - return(0); - assert(NULL == *more); - break; + return(mlg_formatted_special(p, tok, + argc, argv, more)); case (ROFF_At): - /* FIXME: *more must be ml-filtered. */ - if ( ! ml_puts(p->mbuf, mlg_At_literal(*more), &p->pos)) - return(0); - break; - + /* FALLTHROUGH */ + case (ROFF_Bt): + /* FALLTHROUGH */ + case (ROFF_Ud): + /* FALLTHROUGH */ + case (ROFF_Ux): + /* FALLTHROUGH */ case (ROFF_Bx): /* FALLTHROUGH */ case (ROFF_Bsx): @@ -756,39 +647,24 @@ mlg_roffspecial(void *arg, int tok, const char *start, /* FALLTHROUGH */ case (ROFF_Nx): /* FALLTHROUGH */ - case (ROFF_Ox): - if ( ! ml_puts(p->mbuf, mlg_literal(tok), &p->pos)) - return(0); - while (*more) { - if ( ! ml_nputs(p->mbuf, " ", 1, &p->pos)) - return(0); - if ( ! mlg_string(p, start, *more++)) - return(0); - } - break; - - case (ROFF_Bt): - /* FALLTHROUGH */ - case (ROFF_Ud): + case (ROFF_St): /* FALLTHROUGH */ - case (ROFF_Ux): - assert(NULL == *more); - if ( ! ml_puts(p->mbuf, mlg_literal(tok), &p->pos)) - return(0); - break; - + case (ROFF_Ox): + return(mlg_literal_special(p, tok, start, + argc, argv, more)); default: - mlg_err(p, start, start, "`%s' not yet supported", - toknames[tok]); - return(0); + break; } - return(mlg_endtag(p, MD_NS_INLINE, tok)); + mlg_err(p, start, start, "`%s' not yet supported", + toknames[tok]); + return(0); } static int -mlg_roffblkin(void *arg, int tok, int *argc, char **argv) +mlg_roffblkin(void *arg, int tok, + int *argc, const char **argv) { return(mlg_begintag((struct md_mlg *)arg, @@ -805,7 +681,8 @@ mlg_roffblkout(void *arg, int tok) static int -mlg_roffblkbodyin(void *arg, int tok, int *argc, char **argv) +mlg_roffblkbodyin(void *arg, int tok, + int *argc, const char **argv) { return(mlg_begintag((struct md_mlg *)arg, @@ -822,7 +699,8 @@ mlg_roffblkbodyout(void *arg, int tok) static int -mlg_roffblkheadin(void *arg, int tok, int *argc, char **argv) +mlg_roffblkheadin(void *arg, int tok, + int *argc, const char **argv) { return(mlg_begintag((struct md_mlg *)arg, @@ -839,7 +717,7 @@ mlg_roffblkheadout(void *arg, int tok) static int -mlg_roffin(void *arg, int tok, int *argc, char **argv) +mlg_roffin(void *arg, int tok, int *argc, const char **argv) { return(mlg_begintag((struct md_mlg *)arg, @@ -856,8 +734,8 @@ mlg_roffout(void *arg, int tok) static void -mlg_roffmsg(void *arg, enum roffmsg lvl, - const char *buf, const char *pos, char *msg) +mlg_roffmsg(void *arg, enum roffmsg lvl, const char *buf, + const char *pos, const char *msg) { mlg_msg((struct md_mlg *)arg, lvl, buf, pos, msg); @@ -865,7 +743,8 @@ mlg_roffmsg(void *arg, enum roffmsg lvl, static int -mlg_roffdata(void *arg, int space, const char *start, char *buf) +mlg_roffdata(void *arg, int space, + const char *start, const char *buf) { struct md_mlg *p; @@ -876,7 +755,6 @@ mlg_roffdata(void *arg, int space, const char *start, char *buf) return(0); mlg_mode(p, MD_TEXT); - return(1); } @@ -906,7 +784,7 @@ mlg_err(struct md_mlg *p, const char *start, static void mlg_msg(struct md_mlg *p, enum roffmsg lvl, - const char *buf, const char *pos, char *msg) + const char *buf, const char *pos, const char *msg) { char *level; |