]> git.cameronkatri.com Git - mandoc.git/blobdiff - out.c
Sync to OpenBSD:
[mandoc.git] / out.c
diff --git a/out.c b/out.c
index f12a64398331eaa0f5b3897ec0fd4e19e89bfc32..c931664977899a0adf99f2239b5ef36fb52ae6f2 100644 (file)
--- a/out.c
+++ b/out.c
@@ -1,6 +1,7 @@
-/*     $Id: out.c,v 1.31 2011/01/08 17:00:27 kristaps Exp $ */
+/*     $Id: out.c,v 1.46 2013/10/05 20:30:05 schwarze Exp $ */
 /*
- * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
 #include "out.h"
 
 static void    tblcalc_data(struct rofftbl *, struct roffcol *,
-                       const struct tbl *, const struct tbl_dat *);
+                       const struct tbl_opts *, const struct tbl_dat *);
 static void    tblcalc_literal(struct rofftbl *, struct roffcol *,
                        const struct tbl_dat *);
 static void    tblcalc_number(struct rofftbl *, struct roffcol *,
-                       const struct tbl *, const struct tbl_dat *);
+                       const struct tbl_opts *, const struct tbl_dat *);
 
 /* 
  * Convert a `scaling unit' to a consistent form, or fail.  Scaling
@@ -68,7 +69,7 @@ a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
                return(0);
 
        while (i < BUFSIZ) {
-               if ( ! isdigit((u_char)*src)) {
+               if ( ! isdigit((unsigned char)*src)) {
                        if ('.' != *src)
                                break;
                        else if (hasd)
@@ -131,242 +132,6 @@ a2roffsu(const char *src, struct roffsu *dst, enum roffscale def)
        return(1);
 }
 
-
-/*
- * Correctly writes the time in nroff form, which differs from standard
- * form in that a space isn't printed in lieu of the extra %e field for
- * single-digit dates.
- */
-void
-time2a(time_t t, char *dst, size_t sz)
-{
-       struct tm        tm;
-       char             buf[5];
-       char            *p;
-       size_t           nsz;
-
-       assert(sz > 1);
-       localtime_r(&t, &tm);
-
-       p = dst;
-       nsz = 0;
-
-       dst[0] = '\0';
-
-       if (0 == (nsz = strftime(p, sz, "%B ", &tm)))
-               return;
-
-       p += (int)nsz;
-       sz -= nsz;
-
-       if (0 == strftime(buf, sizeof(buf), "%e, ", &tm))
-               return;
-
-       nsz = strlcat(p, buf + (' ' == buf[0] ? 1 : 0), sz);
-
-       if (nsz >= sz)
-               return;
-
-       p += (int)nsz;
-       sz -= nsz;
-
-       (void)strftime(p, sz, "%Y", &tm);
-}
-
-
-int
-a2roffdeco(enum roffdeco *d, const char **word, size_t *sz)
-{
-       int              i, j, lim;
-       char             term, c;
-       const char      *wp;
-       enum roffdeco    dd;
-
-       *d = DECO_NONE;
-       lim = i = 0;
-       term = '\0';
-       wp = *word;
-
-       switch ((c = wp[i++])) {
-       case ('('):
-               *d = DECO_SPECIAL;
-               lim = 2;
-               break;
-       case ('F'):
-               /* FALLTHROUGH */
-       case ('f'):
-               *d = 'F' == c ? DECO_FFONT : DECO_FONT;
-
-               switch (wp[i++]) {
-               case ('('):
-                       lim = 2;
-                       break;
-               case ('['):
-                       term = ']';
-                       break;
-               case ('3'):
-                       /* FALLTHROUGH */
-               case ('B'):
-                       *d = DECO_BOLD;
-                       return(i);
-               case ('2'):
-                       /* FALLTHROUGH */
-               case ('I'):
-                       *d = DECO_ITALIC;
-                       return(i);
-               case ('P'):
-                       *d = DECO_PREVIOUS;
-                       return(i);
-               case ('1'):
-                       /* FALLTHROUGH */
-               case ('R'):
-                       *d = DECO_ROMAN;
-                       return(i);
-               default:
-                       i--;
-                       lim = 1;
-                       break;
-               }
-               break;
-       case ('k'):
-               /* FALLTHROUGH */
-       case ('M'):
-               /* FALLTHROUGH */
-       case ('m'):
-               /* FALLTHROUGH */
-       case ('*'):
-               if ('*' == c)
-                       *d = DECO_RESERVED;
-
-               switch (wp[i++]) {
-               case ('('):
-                       lim = 2;
-                       break;
-               case ('['):
-                       term = ']';
-                       break;
-               default:
-                       i--;
-                       lim = 1;
-                       break;
-               }
-               break;
-       case ('h'):
-               /* FALLTHROUGH */
-       case ('v'):
-               /* FALLTHROUGH */
-       case ('s'):
-               j = 0;
-               if ('+' == wp[i] || '-' == wp[i]) {
-                       i++;
-                       j = 1;
-               }
-
-               switch (wp[i++]) {
-               case ('('):
-                       lim = 2;
-                       break;
-               case ('['):
-                       term = ']';
-                       break;
-               case ('\''):
-                       term = '\'';
-                       break;
-               case ('0'):
-                       j = 1;
-                       /* FALLTHROUGH */
-               default:
-                       i--;
-                       lim = 1;
-                       break;
-               }
-
-               if ('+' == wp[i] || '-' == wp[i]) {
-                       if (j)
-                               return(i);
-                       i++;
-               } 
-
-               /* Handle embedded numerical subexp or escape. */
-
-               if ('(' == wp[i]) {
-                       while (wp[i] && ')' != wp[i])
-                               if ('\\' == wp[i++]) {
-                                       /* Handle embedded escape. */
-                                       *word = &wp[i];
-                                       i += a2roffdeco(&dd, word, sz);
-                               }
-
-                       if (')' == wp[i++])
-                               break;
-
-                       *d = DECO_NONE;
-                       return(i - 1);
-               } else if ('\\' == wp[i]) {
-                       *word = &wp[++i];
-                       i += a2roffdeco(&dd, word, sz);
-               }
-
-               break;
-       case ('['):
-               *d = DECO_SPECIAL;
-               term = ']';
-               break;
-       case ('c'):
-               *d = DECO_NOSPACE;
-               return(i);
-       case ('z'):
-               *d = DECO_NONE;
-               if ('\\' == wp[i]) {
-                       *word = &wp[++i];
-                       return(i + a2roffdeco(&dd, word, sz));
-               } else
-                       lim = 1;
-               break;
-       case ('o'):
-               /* FALLTHROUGH */
-       case ('w'):
-               if ('\'' == wp[i++]) {
-                       term = '\'';
-                       break;
-               } 
-               /* FALLTHROUGH */
-       default:
-               *d = DECO_SSPECIAL;
-               i--;
-               lim = 1;
-               break;
-       }
-
-       assert(term || lim);
-       *word = &wp[i];
-
-       if (term) {
-               j = i;
-               while (wp[i] && wp[i] != term)
-                       i++;
-               if ('\0' == wp[i]) {
-                       *d = DECO_NONE;
-                       return(i);
-               }
-
-               assert(i >= j);
-               *sz = (size_t)(i - j);
-
-               return(i + 1);
-       }
-
-       assert(lim > 0);
-       *sz = (size_t)lim;
-
-       for (j = 0; wp[i] && j < lim; j++)
-               i++;
-       if (j < lim)
-               *d = DECO_NONE;
-
-       return(i);
-}
-
 /*
  * Calculate the abstract widths and decimal positions of columns in a
  * table.  This routine allocates the columns structures then runs over
@@ -377,8 +142,8 @@ void
 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp)
 {
        const struct tbl_dat    *dp;
-       const struct tbl_head   *hp;
        struct roffcol          *col;
+       int                      spans;
 
        /*
         * Allocate the master column specifiers.  These will hold the
@@ -387,48 +152,34 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp)
         */
 
        assert(NULL == tbl->cols);
-       tbl->cols = calloc(sp->tbl->cols, sizeof(struct roffcol));
-
-       hp = sp->head;
+       tbl->cols = mandoc_calloc
+               ((size_t)sp->opts->cols, sizeof(struct roffcol));
 
        for ( ; sp; sp = sp->next) {
                if (TBL_SPAN_DATA != sp->pos)
                        continue;
+               spans = 1;
                /*
                 * Account for the data cells in the layout, matching it
                 * to data cells in the data section.
                 */
                for (dp = sp->first; dp; dp = dp->next) {
-                       if (NULL == dp->layout)
+                       /* Do not used spanned cells in the calculation. */
+                       if (0 < --spans)
+                               continue;
+                       spans = dp->spans;
+                       if (1 < spans)
                                continue;
+                       assert(dp->layout);
                        col = &tbl->cols[dp->layout->head->ident];
-                       tblcalc_data(tbl, col, sp->tbl, dp);
-               }
-       }
-
-       /* 
-        * Calculate width of the spanners.  These get one space for a
-        * vertical line, two for a double-vertical line. 
-        */
-
-       for ( ; hp; hp = hp->next) {
-               col = &tbl->cols[hp->ident];
-               switch (hp->pos) {
-               case (TBL_HEAD_VERT):
-                       col->width = (*tbl->len)(1, tbl->arg);
-                       break;
-               case (TBL_HEAD_DVERT):
-                       col->width = (*tbl->len)(2, tbl->arg);
-                       break;
-               default:
-                       break;
+                       tblcalc_data(tbl, col, sp->opts, dp);
                }
        }
 }
 
 static void
 tblcalc_data(struct rofftbl *tbl, struct roffcol *col,
-               const struct tbl *tp, const struct tbl_dat *dp)
+               const struct tbl_opts *opts, const struct tbl_dat *dp)
 {
        size_t           sz;
 
@@ -452,7 +203,9 @@ tblcalc_data(struct rofftbl *tbl, struct roffcol *col,
                tblcalc_literal(tbl, col, dp);
                break;
        case (TBL_CELL_NUMBER):
-               tblcalc_number(tbl, col, tp, dp);
+               tblcalc_number(tbl, col, opts, dp);
+               break;
+       case (TBL_CELL_DOWN):
                break;
        default:
                abort();
@@ -464,70 +217,46 @@ static void
 tblcalc_literal(struct rofftbl *tbl, struct roffcol *col,
                const struct tbl_dat *dp)
 {
-       size_t           sz, bufsz, spsz;
-
-       /* 
-        * Calculate our width and use the spacing, with a minimum
-        * spacing dictated by position (centre, e.g,. gets a space on
-        * either side, while right/left get a single adjacent space).
-        */
-
-       sz = bufsz = spsz = 0;
-       if (dp->string)
-               sz = (*tbl->slen)(dp->string, tbl->arg);
-
-       assert(dp->layout);
-       switch (dp->layout->pos) {
-       case (TBL_CELL_LONG):
-               /* FALLTHROUGH */
-       case (TBL_CELL_CENTRE):
-               bufsz = (*tbl->len)(2, tbl->arg);
-               break;
-       default:
-               bufsz = (*tbl->len)(1, tbl->arg);
-               break;
-       }
+       size_t           sz;
+       const char      *str;
 
-       if (dp->layout->spacing) {
-               spsz = (*tbl->len)(dp->layout->spacing, tbl->arg);
-               bufsz = bufsz > spsz ? bufsz : spsz;
-       }
+       str = dp->string ? dp->string : "";
+       sz = (*tbl->slen)(str, tbl->arg);
 
-       sz += bufsz;
        if (col->width < sz)
                col->width = sz;
 }
 
 static void
 tblcalc_number(struct rofftbl *tbl, struct roffcol *col,
-               const struct tbl *tp, const struct tbl_dat *dp)
+               const struct tbl_opts *opts, const struct tbl_dat *dp)
 {
        int              i;
-       size_t           sz, psz, ssz, d, max;
-       char            *cp;
+       size_t           sz, psz, ssz, d;
        const char      *str;
+       char            *cp;
        char             buf[2];
 
        /*
         * First calculate number width and decimal place (last + 1 for
-        * no-decimal numbers).  If the stored decimal is subsequent
+        * non-decimal numbers).  If the stored decimal is subsequent to
         * ours, make our size longer by that difference
         * (right-"shifting"); similarly, if ours is subsequent the
         * stored, then extend the stored size by the difference.
         * Finally, re-assign the stored values.
         */
 
-       str = dp && dp->string ? dp->string : "";
-       max = dp && dp->layout ? dp->layout->spacing : 0;
-
+       str = dp->string ? dp->string : "";
        sz = (*tbl->slen)(str, tbl->arg);
 
-       buf[0] = tp->decimal;
+       /* FIXME: TBL_DATA_HORIZ et al.? */
+
+       buf[0] = opts->decimal;
        buf[1] = '\0';
 
        psz = (*tbl->slen)(buf, tbl->arg);
 
-       if (NULL != (cp = strchr(str, tp->decimal))) {
+       if (NULL != (cp = strrchr(str, opts->decimal))) {
                buf[1] = '\0';
                for (ssz = 0, i = 0; cp != &str[i]; i++) {
                        buf[0] = str[i];
@@ -537,11 +266,6 @@ tblcalc_number(struct rofftbl *tbl, struct roffcol *col,
        } else
                d = sz + psz;
 
-       /* Padding. */
-
-       sz += (*tbl->len)(2, tbl->arg);
-       d += (*tbl->len)(1, tbl->arg);
-
        /* Adjust the settings for this column. */
 
        if (col->decimal > d) {
@@ -554,11 +278,4 @@ tblcalc_number(struct rofftbl *tbl, struct roffcol *col,
                col->width = sz;
        if (d > col->decimal)
                col->decimal = d;
-
-       /* Adjust for stipulated width. */
-
-       if (col->width < max)
-               col->width = max;
 }
-
-