]> git.cameronkatri.com Git - mandoc.git/blobdiff - mdoc_action.c
OpenBSD src/sbin was used as a tool to hunt bugs in mandoc.
[mandoc.git] / mdoc_action.c
index ff1400a3cef5117e7bc8b62b843943b50d29fa6b..5bdc2fcd4f316779f526686d0f1e4f2dae146259 100644 (file)
@@ -1,6 +1,6 @@
-/*     $Id: mdoc_action.c,v 1.63 2010/05/30 11:00:53 kristaps Exp $ */
+/*     $Id: mdoc_action.c,v 1.78 2010/07/30 17:14:09 joerg Exp $ */
 /*
 /*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
 #include "libmdoc.h"
 #include "libmandoc.h"
 
 #include "libmdoc.h"
 #include "libmandoc.h"
 
+/* 
+ * FIXME: this file is deprecated.  All future "actions" should be
+ * pushed into mdoc_validate.c.
+ */
+
 #define        POST_ARGS struct mdoc *m, struct mdoc_node *n
 #define        PRE_ARGS  struct mdoc *m, struct mdoc_node *n
 
 #define        POST_ARGS struct mdoc *m, struct mdoc_node *n
 #define        PRE_ARGS  struct mdoc *m, struct mdoc_node *n
 
@@ -68,9 +73,7 @@ static        int       post_st(POST_ARGS);
 static int       post_std(POST_ARGS);
 
 static int       pre_bd(PRE_ARGS);
 static int       post_std(POST_ARGS);
 
 static int       pre_bd(PRE_ARGS);
-static int       pre_bl(PRE_ARGS);
 static int       pre_dl(PRE_ARGS);
 static int       pre_dl(PRE_ARGS);
-static int       pre_offset(PRE_ARGS);
 
 static const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* Ap */
 
 static const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* Ap */
@@ -84,7 +87,7 @@ static        const struct actions mdoc_actions[MDOC_MAX] = {
        { pre_dl, post_display }, /* Dl */
        { pre_bd, post_display }, /* Bd */ 
        { NULL, NULL }, /* Ed */
        { pre_dl, post_display }, /* Dl */
        { pre_bd, post_display }, /* Bd */ 
        { NULL, NULL }, /* Ed */
-       { pre_bl, post_bl }, /* Bl */ 
+       { NULL, post_bl }, /* Bl */ 
        { NULL, NULL }, /* El */
        { NULL, NULL }, /* It */
        { NULL, NULL }, /* Ad */ 
        { NULL, NULL }, /* El */
        { NULL, NULL }, /* It */
        { NULL, NULL }, /* Ad */ 
@@ -194,6 +197,7 @@ static      const struct actions mdoc_actions[MDOC_MAX] = {
        { NULL, NULL }, /* br */
        { NULL, NULL }, /* sp */
        { NULL, NULL }, /* %U */
        { NULL, NULL }, /* br */
        { NULL, NULL }, /* sp */
        { NULL, NULL }, /* %U */
+       { NULL, NULL }, /* Ta */
 };
 
 #define        RSORD_MAX 14
 };
 
 #define        RSORD_MAX 14
@@ -453,6 +457,17 @@ post_sh(POST_ARGS)
        if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)
                m->lastnamed = sec;
 
        if (SEC_NONE == m->lastnamed || SEC_CUSTOM != sec)
                m->lastnamed = sec;
 
+       /*
+        * Switch the parser's SYNOPSIS mode, to be copied
+        * into individual nodes when creating them.
+        * Note that this mode can also be set and unset
+        * using the roff nS register.
+        */
+       if (SEC_SYNOPSIS == sec)
+               m->flags |= MDOC_SYNOPSIS;
+       else
+               m->flags &= ~MDOC_SYNOPSIS;
+
        /* Some sections only live in certain manual sections. */
 
        switch ((m->lastsec = sec)) {
        /* Some sections only live in certain manual sections. */
 
        switch ((m->lastsec = sec)) {
@@ -632,33 +647,41 @@ static int
 post_bl_tagwidth(POST_ARGS)
 {
        struct mdoc_node *nn;
 post_bl_tagwidth(POST_ARGS)
 {
        struct mdoc_node *nn;
-       size_t            sz;
+       size_t            sz, ssz;
        int               i;
        char              buf[NUMSIZ];
 
        int               i;
        char              buf[NUMSIZ];
 
-       /* Defaults to ten ens. */
-
-       sz = 10; /* XXX: make this a macro value. */
+       sz = 10;
 
        for (nn = n->body->child; nn; nn = nn->next) {
 
        for (nn = n->body->child; nn; nn = nn->next) {
-               if (MDOC_It == nn->tok)
-                       break;
-       }
+               if (MDOC_It != nn->tok)
+                       continue;
 
 
-       if (nn) {
                assert(MDOC_BLOCK == nn->type);
                nn = nn->head->child;
                assert(MDOC_BLOCK == nn->type);
                nn = nn->head->child;
-               if (MDOC_TEXT != nn->type) {
-                       sz = mdoc_macro2len(nn->tok);
-                       if (sz == 0) {
-                               if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
-                                       return(0);
-                               sz = 10;
-                       }
-               } else
+
+               if (nn == NULL) {
+                       /* No -width for .Bl and first .It is emtpy */
+                       if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+                               return(0);
+                       break;
+               }
+
+               if (MDOC_TEXT == nn->type) {
                        sz = strlen(nn->string) + 1;
                        sz = strlen(nn->string) + 1;
+                       break;
+               }
+
+               if (0 != (ssz = mdoc_macro2len(nn->tok)))
+                       sz = ssz;
+               else if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+                       return(0);
+
+               break;
        } 
 
        } 
 
+       /* Defaults to ten ens. */
+
        snprintf(buf, NUMSIZ, "%zun", sz);
 
        /*
        snprintf(buf, NUMSIZ, "%zun", sz);
 
        /*
@@ -666,19 +689,21 @@ post_bl_tagwidth(POST_ARGS)
         * We're guaranteed that a MDOC_Width doesn't already exist.
         */
 
         * We're guaranteed that a MDOC_Width doesn't already exist.
         */
 
-       nn = n;
-       assert(nn->args);
-       i = (int)(nn->args->argc)++;
-
-       nn->args->argv = mandoc_realloc(nn->args->argv, 
-                       nn->args->argc * sizeof(struct mdoc_argv));
-
-       nn->args->argv[i].arg = MDOC_Width;
-       nn->args->argv[i].line = n->line;
-       nn->args->argv[i].pos = n->pos;
-       nn->args->argv[i].sz = 1;
-       nn->args->argv[i].value = mandoc_malloc(sizeof(char *));
-       nn->args->argv[i].value[0] = mandoc_strdup(buf);
+       assert(n->args);
+       i = (int)(n->args->argc)++;
+
+       n->args->argv = mandoc_realloc(n->args->argv, 
+                       n->args->argc * sizeof(struct mdoc_argv));
+
+       n->args->argv[i].arg = MDOC_Width;
+       n->args->argv[i].line = n->line;
+       n->args->argv[i].pos = n->pos;
+       n->args->argv[i].sz = 1;
+       n->args->argv[i].value = mandoc_malloc(sizeof(char *));
+       n->args->argv[i].value[0] = mandoc_strdup(buf);
+
+       /* Set our width! */
+       n->data.Bl->width = n->args->argv[i].value[0];
        return(1);
 }
 
        return(1);
 }
 
@@ -695,36 +720,35 @@ post_bl_width(POST_ARGS)
        int               i;
        enum mdoct        tok;
        char              buf[NUMSIZ];
        int               i;
        enum mdoct        tok;
        char              buf[NUMSIZ];
-       char             *p;
-
-       if (NULL == n->args)
-               return(1);
-
-       for (i = 0; i < (int)n->args->argc; i++)
-               if (MDOC_Width == n->args->argv[i].arg)
-                       break;
-
-       if (i == (int)n->args->argc)
-               return(1);
-       p = n->args->argv[i].value[0];
 
        /*
         * If the value to -width is a macro, then we re-write it to be
         * the macro's width as set in share/tmac/mdoc/doc-common.
         */
 
 
        /*
         * If the value to -width is a macro, then we re-write it to be
         * the macro's width as set in share/tmac/mdoc/doc-common.
         */
 
-       if (0 == strcmp(p, "Ds"))
+       if (0 == strcmp(n->data.Bl->width, "Ds"))
                width = 6;
                width = 6;
-       else if (MDOC_MAX == (tok = mdoc_hash_find(p)))
+       else if (MDOC_MAX == (tok = mdoc_hash_find(n->data.Bl->width)))
                return(1);
        else if (0 == (width = mdoc_macro2len(tok))) 
                return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH));
 
        /* The value already exists: free and reallocate it. */
 
                return(1);
        else if (0 == (width = mdoc_macro2len(tok))) 
                return(mdoc_nmsg(m, n, MANDOCERR_BADWIDTH));
 
        /* The value already exists: free and reallocate it. */
 
+       assert(n->args);
+
+       for (i = 0; i < (int)n->args->argc; i++) 
+               if (MDOC_Width == n->args->argv[i].arg)
+                       break;
+
+       assert(i < (int)n->args->argc);
+
        snprintf(buf, NUMSIZ, "%zun", width);
        free(n->args->argv[i].value[0]);
        n->args->argv[i].value[0] = mandoc_strdup(buf);
        snprintf(buf, NUMSIZ, "%zun", width);
        free(n->args->argv[i].value[0]);
        n->args->argv[i].value[0] = mandoc_strdup(buf);
+
+       /* Set our width! */
+       n->data.Bl->width = n->args->argv[i].value[0];
        return(1);
 }
 
        return(1);
 }
 
@@ -740,7 +764,9 @@ post_bl_head(POST_ARGS)
        int                      i, c;
        struct mdoc_node        *np, *nn, *nnp;
 
        int                      i, c;
        struct mdoc_node        *np, *nn, *nnp;
 
-       if (NULL == n->child)
+       if (LIST_column != n->data.Bl->type)
+               return(1);
+       else if (NULL == n->child)
                return(1);
 
        np = n->parent;
                return(1);
 
        np = n->parent;
@@ -750,8 +776,7 @@ post_bl_head(POST_ARGS)
                if (MDOC_Column == np->args->argv[c].arg)
                        break;
 
                if (MDOC_Column == np->args->argv[c].arg)
                        break;
 
-       if (c == (int)np->args->argc)
-               return(1);
+       assert(c < (int)np->args->argc);
        assert(0 == np->args->argv[c].sz);
 
        /*
        assert(0 == np->args->argv[c].sz);
 
        /*
@@ -764,6 +789,9 @@ post_bl_head(POST_ARGS)
        np->args->argv[c].value = mandoc_malloc
                ((size_t)n->nchild * sizeof(char *));
 
        np->args->argv[c].value = mandoc_malloc
                ((size_t)n->nchild * sizeof(char *));
 
+       n->data.Bl->ncols = np->args->argv[c].sz;
+       n->data.Bl->cols = (const char **)np->args->argv[c].value;
+
        for (i = 0, nn = n->child; nn; i++) {
                np->args->argv[c].value[i] = nn->string;
                nn->string = NULL;
        for (i = 0, nn = n->child; nn; i++) {
                np->args->argv[c].value[i] = nn->string;
                nn->string = NULL;
@@ -781,7 +809,6 @@ post_bl_head(POST_ARGS)
 static int
 post_bl(POST_ARGS)
 {
 static int
 post_bl(POST_ARGS)
 {
-       int               i, r, len;
 
        if (MDOC_HEAD == n->type)
                return(post_bl_head(m, n));
 
        if (MDOC_HEAD == n->type)
                return(post_bl_head(m, n));
@@ -796,22 +823,16 @@ post_bl(POST_ARGS)
         * rewritten into real lengths).
         */
 
         * rewritten into real lengths).
         */
 
-       len = (int)(n->args ? n->args->argc : 0);
-
-       for (r = i = 0; i < len; i++) {
-               if (MDOC_Tag == n->args->argv[i].arg)
-                       r |= 1 << 0;
-               if (MDOC_Width == n->args->argv[i].arg)
-                       r |= 1 << 1;
-       }
-
-       if (r & (1 << 0) && ! (r & (1 << 1))) {
+       if (LIST_tag == n->data.Bl->type && NULL == n->data.Bl->width) {
                if ( ! post_bl_tagwidth(m, n))
                        return(0);
                if ( ! post_bl_tagwidth(m, n))
                        return(0);
-       } else if (r & (1 << 1))
+       } else if (NULL != n->data.Bl->width) {
                if ( ! post_bl_width(m, n))
                        return(0);
                if ( ! post_bl_width(m, n))
                        return(0);
+       } else 
+               return(1);
 
 
+       assert(n->data.Bl->width);
        return(1);
 }
 
        return(1);
 }
 
@@ -830,7 +851,6 @@ post_pa(POST_ARGS)
        
        np = n;
        m->next = MDOC_NEXT_CHILD;
        
        np = n;
        m->next = MDOC_NEXT_CHILD;
-       /* XXX: make into macro value. */
        if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
                return(0);
        m->last = np;
        if ( ! mdoc_word_alloc(m, n->line, n->pos, "~"))
                return(0);
        m->last = np;
@@ -891,6 +911,11 @@ post_dd(POST_ARGS)
 {
        char            buf[DATESIZ];
 
 {
        char            buf[DATESIZ];
 
+       if (NULL == n->child) {
+               m->meta.date = time(NULL);
+               return(post_prol(m, n));
+       }
+
        if ( ! concat(m, buf, n->child, DATESIZ))
                return(0);
 
        if ( ! concat(m, buf, n->child, DATESIZ))
                return(0);
 
@@ -936,115 +961,18 @@ pre_dl(PRE_ARGS)
 }
 
 
 }
 
 
-/* ARGSUSED */
-static int
-pre_offset(PRE_ARGS)
-{
-       int              i;
-
-       /* 
-        * Make sure that an empty offset produces an 8n length space as
-        * stipulated by mdoc.samples. 
-        */
-
-       assert(n->args);
-       for (i = 0; i < (int)n->args->argc; i++) {
-               if (MDOC_Offset != n->args->argv[i].arg) 
-                       continue;
-               if (n->args->argv[i].sz)
-                       break;
-               assert(1 == n->args->refcnt);
-               /* If no value set, length of <string>. */
-               n->args->argv[i].sz++;
-               n->args->argv[i].value = mandoc_malloc(sizeof(char *));
-               n->args->argv[i].value[0] = mandoc_strdup("8n");
-               break;
-       }
-
-       return(1);
-}
-
-
-static int
-pre_bl(PRE_ARGS)
-{
-       int              pos;
-
-       if (MDOC_BLOCK != n->type) {
-               assert(n->parent);
-               assert(MDOC_BLOCK == n->parent->type);
-               assert(MDOC_Bl == n->parent->tok);
-               assert(LIST__NONE != n->parent->data.list);
-               n->data.list = n->parent->data.list;
-               return(1);
-       }
-
-       assert(LIST__NONE == n->data.list);
-
-       for (pos = 0; pos < (int)n->args->argc; pos++) {
-               switch (n->args->argv[pos].arg) {
-               case (MDOC_Bullet):
-                       n->data.list = LIST_bullet;
-                       break;
-               case (MDOC_Dash):
-                       n->data.list = LIST_dash;
-                       break;
-               case (MDOC_Enum):
-                       n->data.list = LIST_enum;
-                       break;
-               case (MDOC_Hyphen):
-                       n->data.list = LIST_hyphen;
-                       break;
-               case (MDOC_Item):
-                       n->data.list = LIST_item;
-                       break;
-               case (MDOC_Tag):
-                       n->data.list = LIST_tag;
-                       break;
-               case (MDOC_Diag):
-                       n->data.list = LIST_diag;
-                       break;
-               case (MDOC_Hang):
-                       n->data.list = LIST_hang;
-                       break;
-               case (MDOC_Ohang):
-                       n->data.list = LIST_ohang;
-                       break;
-               case (MDOC_Inset):
-                       n->data.list = LIST_inset;
-                       break;
-               case (MDOC_Column):
-                       n->data.list = LIST_column;
-                       break;
-               default:
-                       break;
-               }
-               if (LIST__NONE != n->data.list)
-                       break;
-       }
-
-       assert(LIST__NONE != n->data.list);
-       return(pre_offset(m, n));
-}
-
-
 static int
 pre_bd(PRE_ARGS)
 {
 static int
 pre_bd(PRE_ARGS)
 {
-       int              i;
 
 
-       if (MDOC_BLOCK == n->type)
-               return(pre_offset(m, n));
        if (MDOC_BODY != n->type)
                return(1);
 
        if (MDOC_BODY != n->type)
                return(1);
 
-       /* Enter literal context if `Bd -literal' or `-unfilled'. */
-
-       for (n = n->parent, i = 0; i < (int)n->args->argc; i++)
-               if (MDOC_Literal == n->args->argv[i].arg)
-                       m->flags |= MDOC_LITERAL;
-               else if (MDOC_Unfilled == n->args->argv[i].arg)
-                       m->flags |= MDOC_LITERAL;
+       assert(n->data.Bd);
+       if (DISP_literal == n->data.Bd->type)
+               m->flags |= MDOC_LITERAL;
+       if (DISP_unfilled == n->data.Bd->type)
+               m->flags |= MDOC_LITERAL;
 
        return(1);
 }
 
        return(1);
 }