=================================================================== RCS file: /cvs/mandoc/Attic/mlg.c,v retrieving revision 1.9 retrieving revision 1.15 diff -u -p -r1.9 -r1.15 --- mandoc/Attic/mlg.c 2008/12/05 11:28:17 1.9 +++ mandoc/Attic/mlg.c 2008/12/06 19:41:41 1.15 @@ -1,4 +1,4 @@ -/* $Id: mlg.c,v 1.9 2008/12/05 11:28:17 kristaps Exp $ */ +/* $Id: mlg.c,v 1.15 2008/12/06 19:41:41 kristaps Exp $ */ /* * Copyright (c) 2008 Kristaps Dzonsons * @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -51,16 +52,16 @@ struct md_mlg { size_t pos; enum md_tok last; void *arg; - ml_begintag begintag; - ml_endtag endtag; - ml_begin begin; - ml_end end; + struct ml_cbs cbs; int flags; #define ML_OVERRIDE_ONE (1 << 0) #define ML_OVERRIDE_ALL (1 << 1) + void *data; }; +static char *mlg_literal(int); +static char *mlg_At_literal(const char *); static void mlg_roffmsg(void *arg, enum roffmsg, const char *, const char *, char *); static int mlg_roffhead(void *, const struct tm *, @@ -91,11 +92,14 @@ static void mlg_mode(struct md_mlg *, enum md_tok); static int mlg_data(struct md_mlg *, int, const char *, char *); static void mlg_err(struct md_mlg *, const char *, - const char *, char *); + const char *, const char *, ...); static void mlg_warn(struct md_mlg *, const char *, - const char *, char *); + const char *, const char *, ...); static void mlg_msg(struct md_mlg *, enum roffmsg, const char *, const char *, char *); +static void mlg_vmsg(struct md_mlg *, enum roffmsg, + const char *, const char *, + const char *, va_list); #ifdef __linux__ extern size_t strlcat(char *, const char *, size_t); @@ -103,6 +107,55 @@ extern size_t strlcpy(char *, const char *, size_t); #endif +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_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) @@ -144,7 +197,7 @@ mlg_begintag(struct md_mlg *p, enum md_ns ns, int tok, if ( ! ml_nputs(p->mbuf, "<", 1, &p->pos)) return(0); - res = (*p->begintag)(p->mbuf, p->args, ns, tok, + res = (*p->cbs.ml_begintag)(p->mbuf, p->data, p->args, ns, tok, argc, (const char **)argv); if (-1 == res) return(0); @@ -193,7 +246,7 @@ mlg_endtag(struct md_mlg *p, enum md_ns ns, int tok) if ( ! ml_nputs(p->mbuf, "pos)) return(0); - res = (*p->endtag)(p->mbuf, p->args, ns, tok); + res = (*p->cbs.ml_endtag)(p->mbuf, p->data, p->args, ns, tok); if (-1 == res) return(0); @@ -233,12 +286,9 @@ mlg_indent(struct md_mlg *p) static int mlg_newline(struct md_mlg *p) { - size_t dummy; - if ( ! ml_nputs(p->mbuf, "\n", 1, &dummy)) - return(0); p->pos = 0; - return(1); + return(ml_nputs(p->mbuf, "\n", 1, NULL)); } @@ -328,6 +378,9 @@ mlg_exit(struct md_mlg *p, int flush) c = roff_free(p->tree, flush); free(p); + + (*p->cbs.ml_free)(p->data); + return(c); } @@ -336,8 +389,7 @@ struct md_mlg * mlg_alloc(const struct md_args *args, const struct md_rbuf *rbuf, struct md_mbuf *mbuf, - ml_begintag begintag, ml_endtag endtag, - ml_begin begin, ml_end end) + const struct ml_cbs *cbs) { struct roffcb cb; struct md_mlg *p; @@ -362,17 +414,17 @@ mlg_alloc(const struct md_args *args, p->args = args; p->mbuf = mbuf; p->rbuf = rbuf; - p->begintag = begintag; - p->endtag = endtag; - p->begin = begin; - p->end = end; - if (NULL == (p->tree = roff_alloc(&cb, p))) { + (void)memcpy(&p->cbs, cbs, sizeof(struct ml_cbs)); + + if (NULL == (p->tree = roff_alloc(&cb, p))) free(p); - return(NULL); - } + else if ( ! (*p->cbs.ml_alloc)(&p->data)) + free(p); + else + return(p); - return(p); + return(NULL); } @@ -386,7 +438,8 @@ mlg_roffhead(void *arg, const struct tm *tm, const cha p = (struct md_mlg *)arg; mlg_mode(p, MD_BLK_IN); - if ( ! (*p->begin)(p->mbuf, p->args, tm, os, title, sec, vol)) + + if ( ! (*p->cbs.ml_begin)(p->mbuf, p->args, tm, os, title, sec, vol)) return(0); p->indent++; @@ -402,12 +455,14 @@ mlg_rofftail(void *arg) assert(arg); p = (struct md_mlg *)arg; - if (0 != p->pos && ! mlg_newline(p)) + if (0 != p->pos) + if ( ! mlg_newline(p)) + return(0); + + if ( ! (*p->cbs.ml_end)(p->mbuf, p->args)) return(0); mlg_mode(p, MD_BLK_OUT); - if ( ! (*p->end)(p->mbuf, p->args)) - return(0); return(mlg_newline(p)); } @@ -421,14 +476,34 @@ mlg_roffspecial(void *arg, int tok, const char *start, 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")) + p->flags |= ML_OVERRIDE_ALL; + else + p->flags &= ~ML_OVERRIDE_ALL; + return(1); + default: + break; + } + + if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, more)) + return(0); + + switch (tok) { case (ROFF_Xr): if ( ! *more) { mlg_err(p, start, start, "missing argument"); return(0); } - if ( ! mlg_begintag(p, MD_NS_INLINE, tok, NULL, NULL)) - return(0); if ( ! ml_puts(p->mbuf, *more++, &p->pos)) return(0); if (*more) { @@ -443,26 +518,69 @@ mlg_roffspecial(void *arg, int tok, const char *start, mlg_err(p, start, start, "too many arguments"); return(0); } - if ( ! mlg_endtag(p, MD_NS_INLINE, tok)) + break; + case (ROFF_Sx): + /* FALLTHROUGH */ + case (ROFF_Nm): + assert(*more); + if ( ! ml_puts(p->mbuf, *more++, &p->pos)) return(0); + assert(NULL == *more); break; - case (ROFF_Fn): + case (ROFF_Ex): + assert(*more); + if ( ! ml_puts(p->mbuf, "The ", &p->pos)) + return(0); + if ( ! mlg_begintag(p, MD_NS_INLINE, ROFF_Xr, NULL, NULL)) + return(0); + if ( ! ml_puts(p->mbuf, *more++, &p->pos)) + return(0); + if ( ! mlg_endtag(p, MD_NS_INLINE, ROFF_Xr)) + return(0); + if ( ! ml_puts(p->mbuf, " utility exits 0 on success, " + "and >0 if an error " + "occurs.", &p->pos)) + return(0); + assert(NULL == *more); break; - case (ROFF_Ns): - p->flags |= ML_OVERRIDE_ONE; + case (ROFF_At): + if ( ! ml_puts(p->mbuf, mlg_At_literal(*more), &p->pos)) + return(0); break; - case (ROFF_Sm): - assert(*more); - if (0 == strcmp(*more, "on")) - p->flags |= ML_OVERRIDE_ALL; - else - p->flags &= ~ML_OVERRIDE_ALL; + case (ROFF_Bx): + /* FALLTHROUGH */ + case (ROFF_Bsx): + /* FALLTHROUGH */ + case (ROFF_Fx): + /* 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 ( ! ml_putstring(p->mbuf, *more++, &p->pos)) + return(0); + } break; - default: + case (ROFF_Bt): + /* FALLTHROUGH */ + case (ROFF_Ud): + /* FALLTHROUGH */ + case (ROFF_Ux): + assert(NULL == *more); + if ( ! ml_puts(p->mbuf, mlg_literal(tok), &p->pos)) + return(0); break; + default: + mlg_err(p, start, start, "`%s' not yet supported", + toknames[tok]); + return(0); } - return(1); + return(mlg_endtag(p, MD_NS_INLINE, tok)); } @@ -555,27 +673,47 @@ mlg_roffdata(void *arg, int space, const char *start, return(0); mlg_mode(p, MD_TEXT); + return(1); } static void -mlg_err(struct md_mlg *p, const char *buf, const char *pos, char *msg) +mlg_vmsg(struct md_mlg *p, enum roffmsg lvl, const char *start, + const char *pos, const char *fmt, va_list ap) { + char buf[128]; - mlg_msg(p, ROFF_ERROR, buf, pos, msg); + (void)vsnprintf(buf, sizeof(buf), fmt, ap); + mlg_msg(p, lvl, start, pos, buf); } static void -mlg_warn(struct md_mlg *p, const char *buf, const char *pos, char *msg) +mlg_warn(struct md_mlg *p, const char *start, + const char *pos, const char *fmt, ...) { + va_list ap; - mlg_msg(p, ROFF_WARN, buf, pos, msg); + va_start(ap, fmt); + mlg_vmsg(p, ROFF_WARN, start, pos, fmt, ap); + va_end(ap); } static void +mlg_err(struct md_mlg *p, const char *start, + const char *pos, const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + mlg_vmsg(p, ROFF_ERROR, start, pos, fmt, ap); + va_end(ap); +} + + +static void mlg_msg(struct md_mlg *p, enum roffmsg lvl, const char *buf, const char *pos, char *msg) { @@ -601,5 +739,4 @@ mlg_msg(struct md_mlg *p, enum roffmsg lvl, else (void)fprintf(stderr, "%s: %s: %s\n", p->rbuf->name, level, msg); - }