link to http://mdocml.bsd.lv/mdoc/ below SEE ALSO;

[mandoc.git] / man.c

diff --git a/man.c b/man.c
index 6c0b17875de06908cfe210c7c25dea5a59fe14d5..31c094e8d62c6fe7c2a8d42b6fe0bec269612aed 100644 (file)
--- a/man.c
+++ b/man.c
@@ -1,4 +1,4 @@
-/*     $Id: man.c,v 1.160 2015/04/19 14:25:41 schwarze Exp $ */
+/*     $Id: man.c,v 1.166 2015/10/22 21:54:23 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
@@ -55,13 +55,6 @@ static       int              man_ptext(struct roff_man *, int, char *, int);
 static int              man_pmacro(struct roff_man *, int, char *, int);
 
 
-void
-man_endparse(struct roff_man *man)
-{
-
-       man_macroend(man);
-}
-
 int
 man_parseln(struct roff_man *man, int ln, char *buf, int offs)
 {
@@ -69,29 +62,9 @@ man_parseln(struct roff_man *man, int ln, char *buf, int offs)
        if (man->last->type != ROFFT_EQN || ln > man->last->line)
                man->flags |= MAN_NEWLINE;
 
-       return (roff_getcontrol(man->roff, buf, &offs) ?
+       return roff_getcontrol(man->roff, buf, &offs) ?
            man_pmacro(man, ln, buf, offs) :
-           man_ptext(man, ln, buf, offs));
-}
-
-void
-man_elem_alloc(struct roff_man *man, int line, int pos, int tok)
-{
-       struct roff_node *p;
-
-       p = roff_node_alloc(man, line, pos, ROFFT_ELEM, tok);
-       roff_node_append(man, p);
-       man->next = ROFF_NEXT_CHILD;
-}
-
-void
-man_block_alloc(struct roff_man *man, int line, int pos, int tok)
-{
-       struct roff_node *p;
-
-       p = roff_node_alloc(man, line, pos, ROFFT_BLOCK, tok);
-       roff_node_append(man, p);
-       man->next = ROFF_NEXT_CHILD;
+           man_ptext(man, ln, buf, offs);
 }
 
 static void
@@ -124,7 +97,7 @@ man_ptext(struct roff_man *man, int line, char *buf, int offs)
        if (man->flags & MAN_LITERAL) {
                roff_word_alloc(man, line, offs, buf + offs);
                man_descope(man, line, offs);
-               return(1);
+               return 1;
        }
 
        for (i = offs; buf[i] == ' '; i++)
@@ -139,10 +112,10 @@ man_ptext(struct roff_man *man, int line, char *buf, int offs)
                /* Allocate a blank entry. */
                if (man->last->tok != MAN_SH &&
                    man->last->tok != MAN_SS) {
-                       man_elem_alloc(man, line, offs, MAN_sp);
+                       roff_elem_alloc(man, line, offs, MAN_sp);
                        man->next = ROFF_NEXT_SIBLING;
                }
-               return(1);
+               return 1;
        }
 
        /*
@@ -179,7 +152,7 @@ man_ptext(struct roff_man *man, int line, char *buf, int offs)
                man->last->flags |= MAN_EOS;
 
        man_descope(man, line, offs);
-       return(1);
+       return 1;
 }
 
 static int
@@ -210,7 +183,7 @@ man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
        if (tok == TOKEN_NONE) {
                mandoc_msg(MANDOCERR_MACRO, man->parse,
                    ln, ppos, buf + ppos - 1);
-               return(1);
+               return 1;
        }
 
        /* Skip a leading escape sequence or tab. */
@@ -261,7 +234,7 @@ man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
                n = man->last;
                if (n->type == ROFFT_BODY &&
                    strcmp(n->prev->child->string, "NAME"))
-                       return(2);
+                       return 2;
        }
 
        /*
@@ -272,14 +245,14 @@ man_pmacro(struct roff_man *man, int ln, char *buf, int offs)
 
        if ( ! bline || man->flags & MAN_ELINE ||
            man_macros[tok].flags & MAN_NSCOPED)
-               return(1);
+               return 1;
 
        assert(man->flags & MAN_BLINE);
        man->flags &= ~MAN_BLINE;
 
        man_unscope(man, man->last->parent);
        roff_body_alloc(man, ln, ppos, man->last->tok);
-       return(1);
+       return 1;
 }
 
 void
@@ -309,6 +282,20 @@ man_breakscope(struct roff_man *man, int tok)
                man->flags &= ~MAN_ELINE;
        }
 
+       /*
+        * Weird special case:
+        * Switching fill mode closes section headers.
+        */
+
+       if (man->flags & MAN_BLINE &&
+           (tok == MAN_nf || tok == MAN_fi) &&
+           (man->last->tok == MAN_SH || man->last->tok == MAN_SS)) {
+               n = man->last;
+               man_unscope(man, n);
+               roff_body_alloc(man, n->line, n->pos, n->tok);
+               man->flags &= ~MAN_BLINE;
+       }
+
        /*
         * A block header next line scope is open,
         * and the new macro is not allowed inside block headers.
@@ -343,51 +330,40 @@ man_mparse(const struct roff_man *man)
 {
 
        assert(man && man->parse);
-       return(man->parse);
+       return man->parse;
 }
 
 void
-man_deroff(char **dest, const struct roff_node *n)
+man_state(struct roff_man *man, struct roff_node *n)
 {
-       char    *cp;
-       size_t   sz;
-
-       if (n->type != ROFFT_TEXT) {
-               for (n = n->child; n; n = n->next)
-                       man_deroff(dest, n);
-               return;
-       }
 
-       /* Skip leading whitespace and escape sequences. */
-
-       cp = n->string;
-       while ('\0' != *cp) {
-               if ('\\' == *cp) {
-                       cp++;
-                       mandoc_escape((const char **)&cp, NULL, NULL);
-               } else if (isspace((unsigned char)*cp))
-                       cp++;
-               else
-                       break;
+       switch(n->tok) {
+       case MAN_nf:
+       case MAN_EX:
+               if (man->flags & MAN_LITERAL && ! (n->flags & MAN_VALID))
+                       mandoc_msg(MANDOCERR_NF_SKIP, man->parse,
+                           n->line, n->pos, "nf");
+               man->flags |= MAN_LITERAL;
+               break;
+       case MAN_fi:
+       case MAN_EE:
+               if ( ! (man->flags & MAN_LITERAL) &&
+                    ! (n->flags & MAN_VALID))
+                       mandoc_msg(MANDOCERR_FI_SKIP, man->parse,
+                           n->line, n->pos, "fi");
+               man->flags &= ~MAN_LITERAL;
+               break;
+       default:
+               break;
        }
+       man->last->flags |= MAN_VALID;
+}
 
-       /* Skip trailing whitespace. */
-
-       for (sz = strlen(cp); sz; sz--)
-               if (0 == isspace((unsigned char)cp[sz-1]))
-                       break;
-
-       /* Skip empty strings. */
-
-       if (0 == sz)
-               return;
-
-       if (NULL == *dest) {
-               *dest = mandoc_strndup(cp, sz);
-               return;
-       }
+void
+man_validate(struct roff_man *man)
+{
 
-       mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
-       free(*dest);
-       *dest = cp;
+       man->last = man->first;
+       man_node_validate(man);
+       man->flags &= ~MAN_LITERAL;
 }