Cd breaks line properly.

[mandoc.git] / term.c

diff --git a/term.c b/term.c
index 5ad67a8b94c9e88266c7de9e509023035efe60f5..2f10c0a53dcc6b5bfd21fdc810dc683e7e137d02 100644 (file)
--- a/term.c
+++ b/term.c
@@ -1,4 +1,4 @@
-/* $Id: term.c,v 1.28 2009/02/28 19:15:28 kristaps Exp $ */
+/* $Id: term.c,v 1.33 2009/03/01 23:27:14 kristaps Exp $ */

 /*
  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
 /*
  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
  *


@@ -25,7 +25,7 @@
 
 #include "term.h"
 
 
 #include "term.h"
 

-#define        INDENT            8
+#define        INDENT            6

 
 /*
  * Performs actions on nodes of the abstract syntax tree.  Both pre- and
 
 /*
  * Performs actions on nodes of the abstract syntax tree.  Both pre- and


@@ -118,6 +118,7 @@ DECL_PREPOST(termp_fd);
 DECL_PREPOST(termp_fn);
 DECL_PREPOST(termp_fo);
 DECL_PREPOST(termp_ft);
 DECL_PREPOST(termp_fn);
 DECL_PREPOST(termp_fo);
 DECL_PREPOST(termp_ft);

+DECL_PREPOST(termp_in);

 DECL_PREPOST(termp_it);
 DECL_PREPOST(termp_op);
 DECL_PREPOST(termp_pf);
 DECL_PREPOST(termp_it);
 DECL_PREPOST(termp_op);
 DECL_PREPOST(termp_pf);


@@ -133,7 +134,6 @@ DECL_PRE(termp_at);
 DECL_PRE(termp_bf);
 DECL_PRE(termp_bsx);
 DECL_PRE(termp_bt);
 DECL_PRE(termp_bf);
 DECL_PRE(termp_bsx);
 DECL_PRE(termp_bt);

-DECL_PRE(termp_bx);

 DECL_PRE(termp_cd);
 DECL_PRE(termp_cm);
 DECL_PRE(termp_em);
 DECL_PRE(termp_cd);
 DECL_PRE(termp_cm);
 DECL_PRE(termp_em);


@@ -142,7 +142,6 @@ DECL_PRE(termp_fa);
 DECL_PRE(termp_fl);
 DECL_PRE(termp_fx);
 DECL_PRE(termp_ic);
 DECL_PRE(termp_fl);
 DECL_PRE(termp_fx);
 DECL_PRE(termp_ic);

-DECL_PRE(termp_in);

 DECL_PRE(termp_ms);
 DECL_PRE(termp_nd);
 DECL_PRE(termp_nm);
 DECL_PRE(termp_ms);
 DECL_PRE(termp_nd);
 DECL_PRE(termp_nm);


@@ -164,6 +163,7 @@ DECL_PRE(termp_xr);
 
 DECL_POST(termp___);
 DECL_POST(termp_bl);
 
 DECL_POST(termp___);
 DECL_POST(termp_bl);

+DECL_POST(termp_bx);

 
 const  struct termact __termacts[MDOC_MAX] = {
        { NULL, NULL }, /* \" */
 
 const  struct termact __termacts[MDOC_MAX] = {
        { NULL, NULL }, /* \" */


@@ -174,7 +174,7 @@ const       struct termact __termacts[MDOC_MAX] = {
        { termp_ss_pre, termp_ss_post }, /* Ss */ 
        { termp_pp_pre, NULL }, /* Pp */ 
        { termp_d1_pre, termp_d1_post }, /* D1 */
        { termp_ss_pre, termp_ss_post }, /* Ss */ 
        { termp_pp_pre, NULL }, /* Pp */ 
        { termp_d1_pre, termp_d1_post }, /* D1 */

-       { NULL, NULL }, /* Dl */
+       { termp_d1_pre, termp_d1_post }, /* Dl */

        { termp_bd_pre, termp_bd_post }, /* Bd */
        { NULL, NULL }, /* Ed */
        { NULL, termp_bl_post }, /* Bl */
        { termp_bd_pre, termp_bd_post }, /* Bd */
        { NULL, NULL }, /* Ed */
        { NULL, termp_bl_post }, /* Bl */


@@ -195,7 +195,7 @@ const       struct termact __termacts[MDOC_MAX] = {
        { termp_fn_pre, termp_fn_post }, /* Fn */ 
        { termp_ft_pre, termp_ft_post }, /* Ft */ 
        { termp_ic_pre, NULL }, /* Ic */ 
        { termp_fn_pre, termp_fn_post }, /* Fn */ 
        { termp_ft_pre, termp_ft_post }, /* Ft */ 
        { termp_ic_pre, NULL }, /* Ic */ 

-       { termp_in_pre, NULL }, /* In */ 
+       { termp_in_pre, termp_in_post }, /* In */ 

        { NULL, NULL }, /* Li */
        { termp_nd_pre, NULL }, /* Nd */ 
        { termp_nm_pre, NULL }, /* Nm */ 
        { NULL, NULL }, /* Li */
        { termp_nd_pre, NULL }, /* Nd */ 
        { termp_nm_pre, NULL }, /* Nm */ 


@@ -208,16 +208,16 @@ const     struct termact __termacts[MDOC_MAX] = {
        { termp_vt_pre, termp_vt_post }, /* Vt */ 
        { termp_xr_pre, NULL }, /* Xr */
        { NULL, termp____post }, /* %A */
        { termp_vt_pre, termp_vt_post }, /* Vt */ 
        { termp_xr_pre, NULL }, /* Xr */
        { NULL, termp____post }, /* %A */

-       { NULL, NULL }, /* %B */
+       { NULL, termp____post }, /* %B */

        { NULL, termp____post }, /* %D */
        { NULL, termp____post }, /* %D */

-       { NULL, NULL }, /* %I */
+       { NULL, termp____post }, /* %I */

        { NULL, termp____post }, /* %J */
        { NULL, termp____post }, /* %J */

-       { NULL, NULL }, /* %N */
-       { NULL, NULL }, /* %O */
-       { NULL, NULL }, /* %P */
-       { NULL, NULL }, /* %R */
+       { NULL, termp____post }, /* %N */
+       { NULL, termp____post }, /* %O */
+       { NULL, termp____post }, /* %P */
+       { NULL, termp____post }, /* %R */

        { termp__t_pre, termp__t_post }, /* %T */
        { termp__t_pre, termp__t_post }, /* %T */

-       { NULL, NULL }, /* %V */
+       { NULL, termp____post }, /* %V */

        { NULL, NULL }, /* Ac */
        { termp_aq_pre, termp_aq_post }, /* Ao */
        { termp_aq_pre, termp_aq_post }, /* Aq */
        { NULL, NULL }, /* Ac */
        { termp_aq_pre, termp_aq_post }, /* Ao */
        { termp_aq_pre, termp_aq_post }, /* Aq */


@@ -227,7 +227,7 @@ const       struct termact __termacts[MDOC_MAX] = {
        { termp_bq_pre, termp_bq_post }, /* Bo */
        { termp_bq_pre, termp_bq_post }, /* Bq */
        { termp_bsx_pre, NULL }, /* Bsx */
        { termp_bq_pre, termp_bq_post }, /* Bo */
        { termp_bq_pre, termp_bq_post }, /* Bq */
        { termp_bsx_pre, NULL }, /* Bsx */

-       { termp_bx_pre, NULL }, /* Bx */
+       { NULL, termp_bx_post }, /* Bx */

        { NULL, NULL }, /* Db */
        { NULL, NULL }, /* Dc */
        { termp_dq_pre, termp_dq_post }, /* Do */
        { NULL, NULL }, /* Db */
        { NULL, NULL }, /* Dc */
        { termp_dq_pre, termp_dq_post }, /* Do */


@@ -395,10 +395,10 @@ termp_it_pre(DECL_ARGS)
        bl = &n->data.block;
 
        if (MDOC_BLOCK == node->type) {
        bl = &n->data.block;
 
        if (MDOC_BLOCK == node->type) {

-               if (arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
-                       newln(p);
-               else
-                       vspace(p);
+               newln(p);
+               if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
+                       if (node->prev || n->prev)
+                               vspace(p);

                return(1);
        }
 
                return(1);
        }
 


@@ -550,10 +550,9 @@ termp_it_post(DECL_ARGS)
        p->offset = pair->offset;
        p->rmargin = pair->rmargin;
 
        p->offset = pair->offset;
        p->rmargin = pair->rmargin;
 

-       if (MDOC_HEAD == node->type) {
+       if (MDOC_HEAD == node->type)

                p->flags &= ~TERMP_NOBREAK;
                p->flags &= ~TERMP_NOBREAK;

-               p->flags &= ~TERMP_NORPAD;
-       } else if (MDOC_BODY == node->type)
+       else if (MDOC_BODY == node->type)

                p->flags &= ~TERMP_NOLPAD;
 }
 
                p->flags &= ~TERMP_NOLPAD;
 }
 


@@ -563,9 +562,13 @@ static int
 termp_nm_pre(DECL_ARGS)
 {
 
 termp_nm_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_PROG]);
+       if (SEC_SYNOPSIS == node->sec)
+               newln(p);
+
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]);

        if (NULL == node->child)
                word(p, meta->name);
        if (NULL == node->child)
                word(p, meta->name);

+

        return(1);
 }
 
        return(1);
 }
 


@@ -575,7 +578,7 @@ static int
 termp_fl_pre(DECL_ARGS)
 {
 
 termp_fl_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_FLAG]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);

        word(p, "\\-");
        p->flags |= TERMP_NOSPACE;
        return(1);
        word(p, "\\-");
        p->flags |= TERMP_NOSPACE;
        return(1);


@@ -587,9 +590,11 @@ static int
 termp_ar_pre(DECL_ARGS)
 {
 
 termp_ar_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_ARG]);
-       if (NULL == node->child)
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]);
+       if (NULL == node->child) {
+               word(p, "file");

                word(p, "...");
                word(p, "...");

+       }

        return(1);
 }
 
        return(1);
 }
 


@@ -634,7 +639,7 @@ static int
 termp_rs_pre(DECL_ARGS)
 {
 
 termp_rs_pre(DECL_ARGS)
 {
 

-       if (MDOC_BLOCK == node->type)
+       if (MDOC_BLOCK == node->type && node->prev)

                vspace(p);
        return(1);
 }
                vspace(p);
        return(1);
 }


@@ -756,7 +761,7 @@ termp_vt_pre(DECL_ARGS)
 {
 
        /* FIXME: this can be "type name". */
 {
 
        /* FIXME: this can be "type name". */

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_VAR_DECL]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);

        return(1);
 }
 
        return(1);
 }
 


@@ -780,7 +785,7 @@ termp_fd_pre(DECL_ARGS)
         * FIXME: this naming is bad.  This value is used, in general,
         * for the #include header or other preprocessor statement.
         */
         * FIXME: this naming is bad.  This value is used, in general,
         * for the #include header or other preprocessor statement.
         */

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_DECL]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]);

        return(1);
 }
 
        return(1);
 }
 


@@ -790,7 +795,10 @@ static void
 termp_fd_post(DECL_ARGS)
 {
 
 termp_fd_post(DECL_ARGS)
 {
 

-       if (node->sec == SEC_SYNOPSIS)
+       if (node->sec != SEC_SYNOPSIS)
+               return;
+       newln(p);
+       if (node->next && MDOC_Fd != node->next->tok)

                vspace(p);
 }
 
                vspace(p);
 }
 


@@ -803,7 +811,7 @@ termp_sh_pre(DECL_ARGS)
        switch (node->type) {
        case (MDOC_HEAD):
                vspace(p);
        switch (node->type) {
        case (MDOC_HEAD):
                vspace(p);

-               TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SECTION]);
+               TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]);

                break;
        case (MDOC_BODY):
                p->offset = INDENT;
                break;
        case (MDOC_BODY):
                p->offset = INDENT;


@@ -926,7 +934,7 @@ static int
 termp_ft_pre(DECL_ARGS)
 {
 
 termp_ft_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_TYPE]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]);

        return(1);
 }
 
        return(1);
 }
 


@@ -982,7 +990,7 @@ static void
 termp_fn_post(DECL_ARGS)
 {
 
 termp_fn_post(DECL_ARGS)
 {
 

-       if (node->sec == SEC_SYNOPSIS)
+       if (node->sec == SEC_SYNOPSIS && node->next)

                vspace(p);
 
 }
                vspace(p);
 
 }


@@ -993,7 +1001,7 @@ static int
 termp_sx_pre(DECL_ARGS)
 {
 
 termp_sx_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_LINK]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1005,7 +1013,7 @@ termp_fa_pre(DECL_ARGS)
        struct mdoc_node *n;
 
        if (node->parent->tok != MDOC_Fo) {
        struct mdoc_node *n;
 
        if (node->parent->tok != MDOC_Fo) {

-               TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_ARG]);
+               TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]);

                return(1);
        }
 
                return(1);
        }
 


@@ -1032,7 +1040,7 @@ static int
 termp_va_pre(DECL_ARGS)
 {
 
 termp_va_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_VAR_DECL]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1046,7 +1054,8 @@ termp_bd_pre(DECL_ARGS)
        int              i;
 
        if (MDOC_BLOCK == node->type) {
        int              i;
 
        if (MDOC_BLOCK == node->type) {

-               vspace(p);
+               if (node->prev)
+                       vspace(p);

                return(1);
        } else if (MDOC_BODY != node->type)
                return(1);
                return(1);
        } else if (MDOC_BODY != node->type)
                return(1);


@@ -1056,20 +1065,17 @@ termp_bd_pre(DECL_ARGS)
 
        bl = &node->parent->data.block;
 
 
        bl = &node->parent->data.block;
 

-

        i = arg_getattr(MDOC_Offset, bl->argc, bl->argv);
        if (-1 != i) {
                assert(1 == bl->argv[i].sz);
                p->offset += arg_offset(&bl->argv[i]);
        }
 
        i = arg_getattr(MDOC_Offset, bl->argc, bl->argv);
        if (-1 != i) {
                assert(1 == bl->argv[i].sz);
                p->offset += arg_offset(&bl->argv[i]);
        }
 

-       if ( ! arg_hasattr(MDOC_Literal, bl->argc, bl->argv))
-               return(1);
-

        p->flags |= TERMP_LITERAL;
 
        for (n = node->child; n; n = n->next) {
        p->flags |= TERMP_LITERAL;
 
        for (n = node->child; n; n = n->next) {

-               assert(MDOC_TEXT == n->type); /* FIXME */
+               if (MDOC_TEXT != n->type) 
+                       errx(1, "non-text displays unsupported");

                if ((*n->data.text.string)) {
                        word(p, n->data.text.string);
                        flushln(p);
                if ((*n->data.text.string)) {
                        word(p, n->data.text.string);
                        flushln(p);


@@ -1131,12 +1137,12 @@ termp_bsx_pre(DECL_ARGS)
 
 
 /* ARGSUSED */
 
 
 /* ARGSUSED */

-static int
-termp_bx_pre(DECL_ARGS)
+static void
+termp_bx_post(DECL_ARGS)

 {
 
 {
 

+       p->flags |= TERMP_NOSPACE;

        word(p, "BSD");
        word(p, "BSD");

-       return(1);

 }
 
 
 }
 
 


@@ -1233,7 +1239,7 @@ termp_ss_pre(DECL_ARGS)
        switch (node->type) {
        case (MDOC_HEAD):
                vspace(p);
        switch (node->type) {
        case (MDOC_HEAD):
                vspace(p);

-               TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SSECTION]);
+               TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]);

                p->offset = INDENT / 2;
                break;
        default:
                p->offset = INDENT / 2;
                break;
        default:


@@ -1265,7 +1271,7 @@ static int
 termp_pa_pre(DECL_ARGS)
 {
 
 termp_pa_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FILE]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1275,7 +1281,7 @@ static int
 termp_em_pre(DECL_ARGS)
 {
 
 termp_em_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1285,7 +1291,8 @@ static int
 termp_cd_pre(DECL_ARGS)
 {
 
 termp_cd_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CONFIG]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]);
+       newln(p);

        return(1);
 }
 
        return(1);
 }
 


@@ -1295,7 +1302,7 @@ static int
 termp_cm_pre(DECL_ARGS)
 {
 
 termp_cm_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_FLAG]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1305,7 +1312,7 @@ static int
 termp_ic_pre(DECL_ARGS)
 {
 
 termp_ic_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1315,11 +1322,30 @@ static int
 termp_in_pre(DECL_ARGS)
 {
 
 termp_in_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_INCLUDE]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]);
+       word(p, "#include");
+       word(p, "<");
+       p->flags |= TERMP_NOSPACE;

        return(1);
 }
 
 
        return(1);
 }
 
 

+/* ARGSUSED */
+static void
+termp_in_post(DECL_ARGS)
+{
+
+       p->flags |= TERMP_NOSPACE;
+       word(p, ">");
+
+       newln(p);
+       if (SEC_SYNOPSIS != node->sec)
+               return;
+       if (node->next && MDOC_In != node->next->tok)
+               vspace(p);
+}
+
+

 /* ARGSUSED */
 static int
 termp_at_pre(DECL_ARGS)
 /* ARGSUSED */
 static int
 termp_at_pre(DECL_ARGS)


@@ -1344,7 +1370,7 @@ termp_bq_pre(DECL_ARGS)
 
        if (MDOC_BODY != node->type)
                return(1);
 
        if (MDOC_BODY != node->type)
                return(1);

-       word(p, "\\[");
+       word(p, "[");

        p->flags |= TERMP_NOSPACE;
        return(1);
 }
        p->flags |= TERMP_NOSPACE;
        return(1);
 }


@@ -1442,9 +1468,9 @@ termp_bf_pre(DECL_ARGS)
 
        if (NULL == (n = b->head->child)) {
                if (arg_hasattr(MDOC_Emphasis, b->argc, b->argv))
 
        if (NULL == (n = b->head->child)) {
                if (arg_hasattr(MDOC_Emphasis, b->argc, b->argv))

-                       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
+                       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);

                else if (arg_hasattr(MDOC_Symbolic, b->argc, b->argv))
                else if (arg_hasattr(MDOC_Symbolic, b->argc, b->argv))

-                       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMB]);
+                       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);

 
                return(1);
        } 
 
                return(1);
        } 


@@ -1452,9 +1478,9 @@ termp_bf_pre(DECL_ARGS)
        assert(MDOC_TEXT == n->type);
 
        if (0 == strcmp("Em", n->data.text.string))
        assert(MDOC_TEXT == n->type);
 
        if (0 == strcmp("Em", n->data.text.string))

-               TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
+               TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);

        else if (0 == strcmp("Sy", n->data.text.string))
        else if (0 == strcmp("Sy", n->data.text.string))

-               TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
+               TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]);

 
        return(1);
 }
 
        return(1);
 }


@@ -1465,7 +1491,7 @@ static int
 termp_sy_pre(DECL_ARGS)
 {
 
 termp_sy_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMB]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]);

        return(1);
 }
 
        return(1);
 }
 


@@ -1475,7 +1501,7 @@ static int
 termp_ms_pre(DECL_ARGS)
 {
 
 termp_ms_pre(DECL_ARGS)
 {
 

-       TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMBOL]);
+       TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]);

        return(1);
 }
 
        return(1);
 }