=================================================================== RCS file: /cvs/mandoc/out.c,v retrieving revision 1.43 retrieving revision 1.52 diff -u -p -r1.43 -r1.52 --- mandoc/out.c 2011/09/20 23:05:49 1.43 +++ mandoc/out.c 2014/10/14 02:16:06 1.52 @@ -1,7 +1,7 @@ -/* $Id: out.c,v 1.43 2011/09/20 23:05:49 schwarze Exp $ */ +/* $Id: out.c,v 1.52 2014/10/14 02:16:06 schwarze Exp $ */ /* * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2011 Ingo Schwarze + * Copyright (c) 2011, 2014 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -15,9 +15,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include @@ -28,17 +26,19 @@ #include #include +#include "mandoc_aux.h" #include "mandoc.h" #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 * units are documented in groff.7, mdoc.7, man.7. */ @@ -55,10 +55,10 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof i = hasd = 0; switch (*src) { - case ('+'): + case '+': src++; break; - case ('-'): + case '-': buf[i++] = *src++; break; default: @@ -86,39 +86,39 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof buf[i] = '\0'; switch (*src) { - case ('c'): + case 'c': unit = SCALE_CM; break; - case ('i'): + case 'i': unit = SCALE_IN; break; - case ('P'): + case 'P': unit = SCALE_PC; break; - case ('p'): + case 'p': unit = SCALE_PT; break; - case ('f'): + case 'f': unit = SCALE_FS; break; - case ('v'): + case 'v': unit = SCALE_VS; break; - case ('m'): + case 'm': unit = SCALE_EM; break; - case ('\0'): + case '\0': if (SCALE_MAX == def) return(0); - unit = SCALE_BU; + unit = SCALE_EN; break; - case ('u'): + case 'u': unit = SCALE_BU; break; - case ('M'): + case 'M': unit = SCALE_MM; break; - case ('n'): + case 'n': unit = SCALE_EN; break; default: @@ -126,8 +126,8 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof } /* FIXME: do this in the caller. */ - if ((dst->scale = atof(buf)) < 0) - dst->scale = 0; + if ((dst->scale = atof(buf)) < 0.0) + dst->scale = 0.0; dst->unit = unit; return(1); } @@ -139,12 +139,14 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof * used for the actual width calculations. */ void -tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) +tblcalc(struct rofftbl *tbl, const struct tbl_span *sp, + size_t totalwidth) { const struct tbl_dat *dp; - const struct tbl_head *hp; struct roffcol *col; + size_t ewidth, xwidth; int spans; + int icol, maxcol, necol, nxcol; /* * Allocate the master column specifiers. These will hold the @@ -153,12 +155,10 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp */ assert(NULL == tbl->cols); - tbl->cols = mandoc_calloc - ((size_t)sp->tbl->cols, sizeof(struct roffcol)); + tbl->cols = mandoc_calloc((size_t)sp->opts->cols, + sizeof(struct roffcol)); - hp = sp->head; - - for ( ; sp; sp = sp->next) { + for (maxcol = 0; sp; sp = sp->next) { if (TBL_SPAN_DATA != sp->pos) continue; spans = 1; @@ -173,61 +173,103 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp spans = dp->spans; if (1 < spans) continue; - assert(dp->layout); - col = &tbl->cols[dp->layout->head->ident]; - tblcalc_data(tbl, col, sp->tbl, dp); + icol = dp->layout->head->ident; + if (maxcol < icol) + maxcol = icol; + col = tbl->cols + icol; + col->flags |= dp->layout->flags; + if (dp->layout->flags & TBL_CELL_WIGN) + continue; + tblcalc_data(tbl, col, sp->opts, dp); } } - /* - * Calculate width of the spanners. These get one space for a - * vertical line, two for a double-vertical line. + /* + * Count columns to equalize and columns to maximize. + * Find maximum width of the columns to equalize. + * Find total width of the columns *not* to maximize. */ - 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; + necol = nxcol = 0; + ewidth = xwidth = 0; + for (icol = 0; icol <= maxcol; icol++) { + col = tbl->cols + icol; + if (col->flags & TBL_CELL_EQUAL) { + necol++; + if (ewidth < col->width) + ewidth = col->width; } + if (col->flags & TBL_CELL_WMAX) + nxcol++; + else + xwidth += col->width; } + + /* + * Equalize columns, if requested for any of them. + * Update total width of the columns not to maximize. + */ + + if (necol) { + for (icol = 0; icol <= maxcol; icol++) { + col = tbl->cols + icol; + if ( ! (col->flags & TBL_CELL_EQUAL)) + continue; + if (col->width == ewidth) + continue; + if (nxcol && totalwidth) + xwidth += ewidth - col->width; + col->width = ewidth; + } + } + + /* + * If there are any columns to maximize, find the total + * available width, deducting 3n margins between columns. + * Distribute the available width evenly. + */ + + if (nxcol && totalwidth) { + xwidth = totalwidth - 3*maxcol - xwidth; + for (icol = 0; icol <= maxcol; icol++) { + col = tbl->cols + icol; + if ( ! (col->flags & TBL_CELL_WMAX)) + continue; + col->width = xwidth / nxcol--; + xwidth -= col->width; + } + } } 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; /* Branch down into data sub-types. */ switch (dp->layout->pos) { - case (TBL_CELL_HORIZ): + case TBL_CELL_HORIZ: /* FALLTHROUGH */ - case (TBL_CELL_DHORIZ): + case TBL_CELL_DHORIZ: sz = (*tbl->len)(1, tbl->arg); if (col->width < sz) col->width = sz; break; - case (TBL_CELL_LONG): + case TBL_CELL_LONG: /* FALLTHROUGH */ - case (TBL_CELL_CENTRE): + case TBL_CELL_CENTRE: /* FALLTHROUGH */ - case (TBL_CELL_LEFT): + case TBL_CELL_LEFT: /* FALLTHROUGH */ - case (TBL_CELL_RIGHT): + case TBL_CELL_RIGHT: tblcalc_literal(tbl, col, dp); break; - case (TBL_CELL_NUMBER): - tblcalc_number(tbl, col, tp, dp); + case TBL_CELL_NUMBER: + tblcalc_number(tbl, col, opts, dp); break; - case (TBL_CELL_DOWN): + case TBL_CELL_DOWN: break; default: abort(); @@ -251,9 +293,9 @@ tblcalc_literal(struct rofftbl *tbl, struct roffcol *c 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; + int i; size_t sz, psz, ssz, d; const char *str; char *cp; @@ -273,12 +315,12 @@ tblcalc_number(struct rofftbl *tbl, struct roffcol *co /* FIXME: TBL_DATA_HORIZ et al.? */ - buf[0] = tp->decimal; + buf[0] = opts->decimal; buf[1] = '\0'; psz = (*tbl->slen)(buf, tbl->arg); - if (NULL != (cp = strrchr(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];