version 1.51, 2014/08/12 19:28:16 |
version 1.53, 2014/10/14 18:18:05 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
* Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org> |
* Copyright (c) 2011, 2014 Ingo Schwarze <schwarze@openbsd.org> |
* |
* |
* Permission to use, copy, modify, and distribute this software for any |
* Permission to use, copy, modify, and distribute this software for any |
* purpose with or without fee is hereby granted, provided that the above |
* purpose with or without fee is hereby granted, provided that the above |
Line 139 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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Line 139 a2roffsu(const char *src, struct roffsu *dst, enum rof |
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* used for the actual width calculations. |
* used for the actual width calculations. |
*/ |
*/ |
void |
void |
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) |
tblcalc(struct rofftbl *tbl, const struct tbl_span *sp, |
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size_t totalwidth) |
{ |
{ |
const struct tbl_dat *dp; |
const struct tbl_dat *dp; |
struct roffcol *col; |
struct roffcol *col; |
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size_t ewidth, xwidth; |
int spans; |
int spans; |
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int icol, maxcol, necol, nxcol; |
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/* |
/* |
* Allocate the master column specifiers. These will hold the |
* Allocate the master column specifiers. These will hold the |
Line 155 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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Line 158 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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tbl->cols = mandoc_calloc((size_t)sp->opts->cols, |
tbl->cols = mandoc_calloc((size_t)sp->opts->cols, |
sizeof(struct roffcol)); |
sizeof(struct roffcol)); |
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for ( ; sp; sp = sp->next) { |
for (maxcol = -1; sp; sp = sp->next) { |
if (TBL_SPAN_DATA != sp->pos) |
if (TBL_SPAN_DATA != sp->pos) |
continue; |
continue; |
spans = 1; |
spans = 1; |
Line 170 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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Line 173 tblcalc(struct rofftbl *tbl, const struct tbl_span *sp |
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spans = dp->spans; |
spans = dp->spans; |
if (1 < spans) |
if (1 < spans) |
continue; |
continue; |
assert(dp->layout); |
icol = dp->layout->head->ident; |
col = &tbl->cols[dp->layout->head->ident]; |
if (maxcol < icol) |
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maxcol = icol; |
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col = tbl->cols + icol; |
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col->flags |= dp->layout->flags; |
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if (dp->layout->flags & TBL_CELL_WIGN) |
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continue; |
tblcalc_data(tbl, col, sp->opts, dp); |
tblcalc_data(tbl, col, sp->opts, dp); |
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} |
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} |
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/* |
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* Count columns to equalize and columns to maximize. |
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* Find maximum width of the columns to equalize. |
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* Find total width of the columns *not* to maximize. |
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*/ |
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necol = nxcol = 0; |
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ewidth = xwidth = 0; |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if (col->flags & TBL_CELL_EQUAL) { |
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necol++; |
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if (ewidth < col->width) |
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ewidth = col->width; |
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} |
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if (col->flags & TBL_CELL_WMAX) |
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nxcol++; |
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else |
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xwidth += col->width; |
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} |
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/* |
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* Equalize columns, if requested for any of them. |
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* Update total width of the columns not to maximize. |
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*/ |
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if (necol) { |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if ( ! (col->flags & TBL_CELL_EQUAL)) |
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continue; |
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if (col->width == ewidth) |
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continue; |
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if (nxcol && totalwidth) |
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xwidth += ewidth - col->width; |
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col->width = ewidth; |
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} |
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} |
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/* |
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* If there are any columns to maximize, find the total |
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* available width, deducting 3n margins between columns. |
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* Distribute the available width evenly. |
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*/ |
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if (nxcol && totalwidth) { |
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xwidth = totalwidth - 3*maxcol - xwidth; |
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for (icol = 0; icol <= maxcol; icol++) { |
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col = tbl->cols + icol; |
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if ( ! (col->flags & TBL_CELL_WMAX)) |
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continue; |
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col->width = xwidth / nxcol--; |
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xwidth -= col->width; |
} |
} |
} |
} |
} |
} |