diff options
Diffstat (limited to 'roff.c')
-rw-r--r-- | roff.c | 111 |
1 files changed, 89 insertions, 22 deletions
@@ -84,6 +84,7 @@ struct rofftree { struct roffnode *last; /* Last parsed node. */ char *cur; /* Line start. */ struct tm tm; /* `Dd' results. */ + char name[64]; /* `Nm' results. */ char os[64]; /* `Os' results. */ char title[64]; /* `Dt' results. */ char section[64]; /* `Dt' results. */ @@ -98,11 +99,11 @@ struct rofftree { void *arg; /* Callbacks' arg. */ }; -static int roff_Dd(ROFFCALL_ARGS); -static int roff_Dt(ROFFCALL_ARGS); -static int roff_Os(ROFFCALL_ARGS); -static int roff_Ns(ROFFCALL_ARGS); -static int roff_Sm(ROFFCALL_ARGS); +static int roff_Dd(ROFFCALL_ARGS); /* FIXME: deprecate. */ +static int roff_Dt(ROFFCALL_ARGS); /* FIXME: deprecate. */ +static int roff_Os(ROFFCALL_ARGS); /* FIXME: deprecate. */ +static int roff_Ns(ROFFCALL_ARGS); /* FIXME: deprecate. */ +static int roff_Sm(ROFFCALL_ARGS); /* FIXME: deprecate. */ static int roff_layout(ROFFCALL_ARGS); static int roff_text(ROFFCALL_ARGS); static int roff_noop(ROFFCALL_ARGS); @@ -131,6 +132,9 @@ static int roffparse(struct rofftree *, char *); static int textparse(struct rofftree *, char *); static int roffdata(struct rofftree *, int, char *); static int roffspecial(struct rofftree *, int, char **); +static int roffsetname(struct rofftree *, char **); +static int roffgetname(struct rofftree *, char **, + const char *); #ifdef __linux__ extern size_t strlcat(char *, const char *, size_t); @@ -207,7 +211,7 @@ static const struct rofftok tokens[ROFF_MAX] = { { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* In */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Li */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Nd */ - { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ /* FIXME */ + {roff_ordered, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Nm */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE | ROFF_LSCOPE }, /* Op */ { roff_depr, NULL, NULL, NULL, 0, ROFF_TEXT, 0 }, /* Ot */ { roff_text, NULL, NULL, NULL, 0, ROFF_TEXT, ROFF_PARSED | ROFF_CALLABLE }, /* Pa */ @@ -291,7 +295,7 @@ static const int tokenargs[ROFF_ARGMAX] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ROFF_VALUE, 0, - 0, 0, 0, 0, + 0, ROFF_VALUE, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -1145,8 +1149,44 @@ roff_Dt(ROFFCALL_ARGS) } +static int +roffgetname(struct rofftree *tree, char **ordp, const char *start) +{ + if (0 == tree->name[0]) { + roff_err(tree, start, "`Nm' name not set"); + return(0); + } + *ordp++ = tree->name; + *ordp = NULL; + return(1); +} + + +static int +roffsetname(struct rofftree *tree, char **ordp) +{ + + assert(*ordp); + + /* FIXME: not all sections can set this. */ + + if (NULL != *(ordp + 1)) { + roff_err(tree, *ordp, "too many `Nm' args"); + return(0); + } + + if (strlcpy(tree->name, *ordp, sizeof(tree->name)) + >= sizeof(tree->name)) { + roff_err(tree, *ordp, "`Nm' arg too long"); + return(0); + } + + return(1); +} + + /* ARGSUSED */ -static int +static int roff_Sm(ROFFCALL_ARGS) { char *morep[1], *p; @@ -1394,37 +1434,64 @@ roff_ordered(ROFFCALL_ARGS) argv++; if (NULL == *argv) { + switch (tok) { + case (ROFF_Nm): + if ( ! roffgetname(tree, ordp, *(argv - 1))) + return(0); + break; + default: + *ordp = NULL; + break; + } - /* FIXME: satisfies number of args? */ - - ordp[0] = NULL; return(roffspecial(tree, tok, ordp)); } i = 0; while (*argv && i < ROFF_MAXLINEARG) { - if (ROFF_MAX != (c = rofffindcallable(*argv))) - return(roffcall(tree, c, argv)); - if (roffispunct(*argv)) + c = rofffindcallable(*argv); + + if (ROFF_MAX == c && ! roffispunct(*argv)) { + ordp[i++] = *argv++; + continue; + } + ordp[i] = NULL; + + if (ROFF_MAX == c) + break; + + switch (tok) { + case (ROFF_Nm): + if ( ! roffsetname(tree, ordp)) + return(0); + break; + default: break; + } + + if ( ! roffspecial(tree, tok, ordp)) + return(0); - ordp[i++] = *argv++; + return(roffcall(tree, c, ordp)); } + assert(i != ROFF_MAXLINEARG); ordp[i] = NULL; - /* FIXME: too many or too few args? */ - - if (i == ROFF_MAXLINEARG && *argv) { - roff_err(tree, *argv, "too many args", toknames[tok]); - return(0); + switch (tok) { + case (ROFF_Nm): + if ( ! roffsetname(tree, ordp)) + return(0); + break; + default: + break; } - /* FIXME: error if there's stuff after the punctuation. */ - if ( ! roffspecial(tree, tok, ordp)) return(0); + /* FIXME: error if there's stuff after the punctuation. */ + if ( ! first || NULL == *argv) return(1); |