/* $Id: tbl_term.c,v 1.68 2019/02/09 21:02:47 schwarze Exp $ */ /* * Copyright (c) 2009, 2011 Kristaps Dzonsons * Copyright (c) 2011-2019 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 * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "config.h" #include #include #include #include #include #include #include "mandoc.h" #include "tbl.h" #include "out.h" #include "term.h" #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \ (cp)->pos == TBL_CELL_DHORIZ) static size_t term_tbl_len(size_t, void *); static size_t term_tbl_strlen(const char *, void *); static size_t term_tbl_sulen(const struct roffsu *, void *); static void tbl_data(struct termp *, const struct tbl_opts *, const struct tbl_cell *, const struct tbl_dat *, const struct roffcol *); static void tbl_direct_border(struct termp *, int, size_t); static void tbl_fill_border(struct termp *, int, size_t); static void tbl_fill_char(struct termp *, char, size_t); static void tbl_fill_string(struct termp *, const char *, size_t); static void tbl_hrule(struct termp *, const struct tbl_span *, const struct tbl_span *, int); static void tbl_literal(struct termp *, const struct tbl_dat *, const struct roffcol *); static void tbl_number(struct termp *, const struct tbl_opts *, const struct tbl_dat *, const struct roffcol *); static void tbl_word(struct termp *, const struct tbl_dat *); /* * The following border-character tables are indexed * by ternary (3-based) numbers, as opposed to binary or decimal. * Each ternary digit describes the line width in one direction: * 0 means no line, 1 single or light line, 2 double or heavy line. */ /* Positional values of the four directions. */ #define BRIGHT 1 #define BDOWN 3 #define BLEFT (3 * 3) #define BUP (3 * 3 * 3) #define BHORIZ (BLEFT + BRIGHT) /* Code points to use for each combination of widths. */ static const int borders_utf8[81] = { 0x0020, 0x2576, 0x257a, /* 000 right */ 0x2577, 0x250c, 0x250d, /* 001 down */ 0x257b, 0x250e, 0x250f, /* 002 */ 0x2574, 0x2500, 0x257c, /* 010 left */ 0x2510, 0x252c, 0x252e, /* 011 left down */ 0x2512, 0x2530, 0x2532, /* 012 */ 0x2578, 0x257e, 0x2501, /* 020 left */ 0x2511, 0x252d, 0x252f, /* 021 left down */ 0x2513, 0x2531, 0x2533, /* 022 */ 0x2575, 0x2514, 0x2515, /* 100 up */ 0x2502, 0x251c, 0x251d, /* 101 up down */ 0x257d, 0x251f, 0x2522, /* 102 */ 0x2518, 0x2534, 0x2536, /* 110 up left */ 0x2524, 0x253c, 0x253e, /* 111 all */ 0x2527, 0x2541, 0x2546, /* 112 */ 0x2519, 0x2535, 0x2537, /* 120 up left */ 0x2525, 0x253d, 0x253f, /* 121 all */ 0x252a, 0x2545, 0x2548, /* 122 */ 0x2579, 0x2516, 0x2517, /* 200 up */ 0x257f, 0x251e, 0x2521, /* 201 up down */ 0x2503, 0x2520, 0x2523, /* 202 */ 0x251a, 0x2538, 0x253a, /* 210 up left */ 0x2526, 0x2540, 0x2544, /* 211 all */ 0x2528, 0x2542, 0x254a, /* 212 */ 0x251b, 0x2539, 0x253b, /* 220 up left */ 0x2529, 0x2543, 0x2547, /* 221 all */ 0x252b, 0x2549, 0x254b, /* 222 */ }; /* ASCII approximations for these code points, compatible with groff. */ static const int borders_ascii[81] = { ' ', '-', '=', /* 000 right */ '|', '+', '+', /* 001 down */ '|', '+', '+', /* 002 */ '-', '-', '=', /* 010 left */ '+', '+', '+', /* 011 left down */ '+', '+', '+', /* 012 */ '=', '=', '=', /* 020 left */ '+', '+', '+', /* 021 left down */ '+', '+', '+', /* 022 */ '|', '+', '+', /* 100 up */ '|', '+', '+', /* 101 up down */ '|', '+', '+', /* 102 */ '+', '+', '+', /* 110 up left */ '+', '+', '+', /* 111 all */ '+', '+', '+', /* 112 */ '+', '+', '+', /* 120 up left */ '+', '+', '+', /* 121 all */ '+', '+', '+', /* 122 */ '|', '+', '+', /* 200 up */ '|', '+', '+', /* 201 up down */ '|', '+', '+', /* 202 */ '+', '+', '+', /* 210 up left */ '+', '+', '+', /* 211 all */ '+', '+', '+', /* 212 */ '+', '+', '+', /* 220 up left */ '+', '+', '+', /* 221 all */ '+', '+', '+', /* 222 */ }; /* Either of the above according to the selected output encoding. */ static const int *borders_locale; static size_t term_tbl_sulen(const struct roffsu *su, void *arg) { int i; i = term_hen((const struct termp *)arg, su); return i > 0 ? i : 0; } static size_t term_tbl_strlen(const char *p, void *arg) { return term_strlen((const struct termp *)arg, p); } static size_t term_tbl_len(size_t sz, void *arg) { return term_len((const struct termp *)arg, sz); } void term_tbl(struct termp *tp, const struct tbl_span *sp) { const struct tbl_cell *cp, *cpn, *cpp, *cps; const struct tbl_dat *dp; static size_t offset; size_t save_offset; size_t coloff, tsz; int hspans, ic, more; int dvert, fc, horiz, lhori, rhori, uvert; /* Inhibit printing of spaces: we do padding ourselves. */ tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE; save_offset = tp->tcol->offset; /* * The first time we're invoked for a given table block, * calculate the table widths and decimal positions. */ if (tp->tbl.cols == NULL) { borders_locale = tp->enc == TERMENC_UTF8 ? borders_utf8 : borders_ascii; tp->tbl.len = term_tbl_len; tp->tbl.slen = term_tbl_strlen; tp->tbl.sulen = term_tbl_sulen; tp->tbl.arg = tp; tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin); /* Tables leak .ta settings to subsequent text. */ term_tab_set(tp, NULL); coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) || sp->opts->lvert; for (ic = 0; ic < sp->opts->cols; ic++) { coloff += tp->tbl.cols[ic].width; term_tab_iset(coloff); coloff += tp->tbl.cols[ic].spacing; } /* Center the table as a whole. */ offset = tp->tcol->offset; if (sp->opts->opts & TBL_OPT_CENTRE) { tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ? 2 : !!sp->opts->lvert + !!sp->opts->rvert; for (ic = 0; ic + 1 < sp->opts->cols; ic++) tsz += tp->tbl.cols[ic].width + tp->tbl.cols[ic].spacing; if (sp->opts->cols) tsz += tp->tbl.cols[sp->opts->cols - 1].width; if (offset + tsz > tp->tcol->rmargin) tsz -= 1; offset = offset + tp->tcol->rmargin > tsz ? (offset + tp->tcol->rmargin - tsz) / 2 : 0; tp->tcol->offset = offset; } /* Horizontal frame at the start of boxed tables. */ if (tp->enc == TERMENC_ASCII && sp->opts->opts & TBL_OPT_DBOX) tbl_hrule(tp, NULL, sp, TBL_OPT_DBOX); if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) tbl_hrule(tp, NULL, sp, TBL_OPT_BOX); } /* Set up the columns. */ tp->flags |= TERMP_MULTICOL; tp->tcol->offset = offset; horiz = 0; switch (sp->pos) { case TBL_SPAN_HORIZ: case TBL_SPAN_DHORIZ: horiz = 1; term_setcol(tp, 1); break; case TBL_SPAN_DATA: term_setcol(tp, sp->opts->cols + 2); coloff = tp->tcol->offset; /* Set up a column for a left vertical frame. */ if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) || sp->opts->lvert) coloff++; tp->tcol->rmargin = coloff; /* Set up the data columns. */ dp = sp->first; hspans = 0; for (ic = 0; ic < sp->opts->cols; ic++) { if (hspans == 0) { tp->tcol++; tp->tcol->offset = coloff; } coloff += tp->tbl.cols[ic].width; tp->tcol->rmargin = coloff; if (ic + 1 < sp->opts->cols) coloff += tp->tbl.cols[ic].spacing; if (hspans) { hspans--; continue; } if (dp == NULL) continue; hspans = dp->hspans; if (ic || sp->layout->first->pos != TBL_CELL_SPAN) dp = dp->next; } /* Set up a column for a right vertical frame. */ tp->tcol++; tp->tcol->offset = coloff + 1; tp->tcol->rmargin = tp->maxrmargin; /* Spans may have reduced the number of columns. */ tp->lasttcol = tp->tcol - tp->tcols; /* Fill the buffers for all data columns. */ tp->tcol = tp->tcols; cp = cpn = sp->layout->first; dp = sp->first; hspans = 0; for (ic = 0; ic < sp->opts->cols; ic++) { if (cpn != NULL) { cp = cpn; cpn = cpn->next; } if (hspans) { hspans--; continue; } tp->tcol++; tp->col = 0; tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic); if (dp == NULL) continue; hspans = dp->hspans; if (cp->pos != TBL_CELL_SPAN) dp = dp->next; } break; } do { /* Print the vertical frame at the start of each row. */ tp->tcol = tp->tcols; uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 : sp->opts->opts & TBL_OPT_BOX ? 1 : 0; if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert) uvert = dvert = sp->layout->vert; if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA && dvert < sp->next->layout->vert) dvert = sp->next->layout->vert; if (sp->prev != NULL && uvert < sp->prev->layout->vert && (horiz || (IS_HORIZ(sp->layout->first) && !IS_HORIZ(sp->prev->layout->first)))) uvert = sp->prev->layout->vert; rhori = sp->pos == TBL_SPAN_DHORIZ || (sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) || sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 : sp->pos == TBL_SPAN_HORIZ || (sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) || sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0; fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori; if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) { (*tp->advance)(tp, tp->tcols->offset); tp->viscol = tp->tcol->offset; tbl_direct_border(tp, fc, 1); } /* Print the data cells. */ more = 0; if (horiz) tbl_hrule(tp, sp->prev, sp, 0); else { cp = sp->layout->first; cpn = sp->next == NULL ? NULL : sp->next->layout->first; cpp = sp->prev == NULL ? NULL : sp->prev->layout->first; dp = sp->first; hspans = 0; for (ic = 0; ic < sp->opts->cols; ic++) { /* * Figure out whether to print a * vertical line after this cell * and advance to next layout cell. */ uvert = dvert = fc = 0; if (cp != NULL) { cps = cp; while (cps->next != NULL && cps->next->pos == TBL_CELL_SPAN) cps = cps->next; if (sp->pos == TBL_SPAN_DATA) uvert = dvert = cps->vert; switch (cp->pos) { case TBL_CELL_HORIZ: fc = BHORIZ; break; case TBL_CELL_DHORIZ: fc = BHORIZ * 2; break; default: break; } } if (cpp != NULL) { if (uvert < cpp->vert && cp != NULL && ((IS_HORIZ(cp) && !IS_HORIZ(cpp)) || (cp->next != NULL && cpp->next != NULL && IS_HORIZ(cp->next) && !IS_HORIZ(cpp->next)))) uvert = cpp->vert; cpp = cpp->next; } if (sp->opts->opts & TBL_OPT_ALLBOX) { if (uvert == 0) uvert = 1; if (dvert == 0) dvert = 1; } if (cpn != NULL) { if (dvert == 0 || (dvert < cpn->vert && tp->enc == TERMENC_UTF8)) dvert = cpn->vert; cpn = cpn->next; } lhori = (cp != NULL && cp->pos == TBL_CELL_DHORIZ) || (dp != NULL && dp->pos == TBL_DATA_DHORIZ) ? 2 : (cp != NULL && cp->pos == TBL_CELL_HORIZ) || (dp != NULL && dp->pos == TBL_DATA_HORIZ) ? 1 : 0; /* * Skip later cells in a span, * figure out whether to start a span, * and advance to next data cell. */ if (hspans) { hspans--; cp = cp->next; continue; } if (dp != NULL) { hspans = dp->hspans; if (ic || sp->layout->first->pos != TBL_CELL_SPAN) dp = dp->next; } /* * Print one line of text in the cell * and remember whether there is more. */ tp->tcol++; if (tp->tcol->col < tp->tcol->lastcol) term_flushln(tp); if (tp->tcol->col < tp->tcol->lastcol) more = 1; /* * Vertical frames between data cells, * but not after the last column. */ if (fc == 0 && ((uvert == 0 && dvert == 0 && cp != NULL && (cp->next == NULL || !IS_HORIZ(cp->next))) || tp->tcol + 1 == tp->tcols + tp->lasttcol)) { if (cp != NULL) cp = cp->next; continue; } if (tp->viscol < tp->tcol->rmargin) { (*tp->advance)(tp, tp->tcol->rmargin - tp->viscol); tp->viscol = tp->tcol->rmargin; } while (tp->viscol < tp->tcol->rmargin + tp->tbl.cols[ic].spacing / 2) tbl_direct_border(tp, BHORIZ * lhori, 1); if (tp->tcol + 1 == tp->tcols + tp->lasttcol) continue; if (cp != NULL) cp = cp->next; rhori = (cp != NULL && cp->pos == TBL_CELL_DHORIZ) || (dp != NULL && dp->pos == TBL_DATA_DHORIZ) ? 2 : (cp != NULL && cp->pos == TBL_CELL_HORIZ) || (dp != NULL && dp->pos == TBL_DATA_HORIZ) ? 1 : 0; if (tp->tbl.cols[ic].spacing) tbl_direct_border(tp, BLEFT * lhori + BRIGHT * rhori + BUP * uvert + BDOWN * dvert, 1); if (tp->enc == TERMENC_UTF8) uvert = dvert = 0; if (tp->tbl.cols[ic].spacing > 2 && (uvert > 1 || dvert > 1 || rhori)) tbl_direct_border(tp, BHORIZ * rhori + BUP * (uvert > 1) + BDOWN * (dvert > 1), 1); } } /* Print the vertical frame at the end of each row. */ uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 : sp->opts->opts & TBL_OPT_BOX ? 1 : 0; if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->last->vert && sp->layout->last->col + 1 == sp->opts->cols) uvert = dvert = sp->layout->last->vert; if (sp->next != NULL && dvert < sp->next->layout->last->vert && sp->next->layout->last->col + 1 == sp->opts->cols) dvert = sp->next->layout->last->vert; if (sp->prev != NULL && uvert < sp->prev->layout->last->vert && sp->prev->layout->last->col + 1 == sp->opts->cols && (horiz || (IS_HORIZ(sp->layout->last) && !IS_HORIZ(sp->prev->layout->last)))) uvert = sp->prev->layout->last->vert; lhori = sp->pos == TBL_SPAN_DHORIZ || (sp->last != NULL && sp->last->pos == TBL_DATA_DHORIZ && sp->last->layout->col + 1 == sp->opts->cols) || (sp->layout->last->pos == TBL_CELL_DHORIZ && sp->layout->last->col + 1 == sp->opts->cols) ? 2 : sp->pos == TBL_SPAN_HORIZ || (sp->last != NULL && sp->last->pos == TBL_DATA_HORIZ && sp->last->layout->col + 1 == sp->opts->cols) || (sp->layout->last->pos == TBL_CELL_HORIZ && sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0; fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori; if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) { if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 || sp->layout->last->col + 1 < sp->opts->cols)) { tp->tcol++; do { tbl_direct_border(tp, BHORIZ * lhori, 1); } while (tp->viscol < tp->tcol->offset); } tbl_direct_border(tp, fc, 1); } (*tp->endline)(tp); tp->viscol = 0; } while (more); /* * Clean up after this row. If it is the last line * of the table, print the box line and clean up * column data; otherwise, print the allbox line. */ term_setcol(tp, 1); tp->flags &= ~TERMP_MULTICOL; tp->tcol->rmargin = tp->maxrmargin; if (sp->next == NULL) { if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) { tbl_hrule(tp, sp, NULL, TBL_OPT_BOX); tp->skipvsp = 1; } if (tp->enc == TERMENC_ASCII && sp->opts->opts & TBL_OPT_DBOX) { tbl_hrule(tp, sp, NULL, TBL_OPT_DBOX); tp->skipvsp = 2; } assert(tp->tbl.cols); free(tp->tbl.cols); tp->tbl.cols = NULL; } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX && (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA || sp->next->next != NULL)) tbl_hrule(tp, sp, sp->next, TBL_OPT_ALLBOX); tp->tcol->offset = save_offset; tp->flags &= ~TERMP_NONOSPACE; } static void tbl_hrule(struct termp *tp, const struct tbl_span *spp, const struct tbl_span *spn, int flags) { const struct tbl_cell *cpp; /* Layout cell above this line. */ const struct tbl_cell *cpn; /* Layout cell below this line. */ const struct tbl_dat *dpn; /* Data cell below this line. */ const struct roffcol *col; /* Contains width and spacing. */ int opts; /* For the table as a whole. */ int bw; /* Box line width. */ int hw; /* Horizontal line width. */ int lw, rw; /* Left and right line widths. */ int uw, dw; /* Vertical line widths. */ cpp = spp == NULL ? NULL : spp->layout->first; cpn = spn == NULL ? NULL : spn->layout->first; dpn = NULL; if (spn != NULL) { if (spn->pos == TBL_SPAN_DATA) dpn = spn->first; else if (spn->next != NULL) dpn = spn->next->first; } opts = spn == NULL ? spp->opts->opts : spn->opts->opts; bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) : opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0; hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw : spn->pos == TBL_SPAN_DHORIZ ? 2 : 1; /* Print the left end of the line. */ if (tp->viscol == 0) { (*tp->advance)(tp, tp->tcols->offset); tp->viscol = tp->tcols->offset; } if (flags != 0) tbl_direct_border(tp, (spp == NULL ? 0 : BUP * bw) + (spn == NULL ? 0 : BDOWN * bw) + (spp == NULL || cpn == NULL || cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1); for (;;) { col = tp->tbl.cols + (cpn == NULL ? cpp->col : cpn->col); /* Print the horizontal line inside this column. */ lw = cpp == NULL || cpn == NULL || (cpn->pos != TBL_CELL_DOWN && (dpn == NULL || strcmp(dpn->string, "\\^") != 0)) ? hw : 0; tbl_direct_border(tp, BHORIZ * lw, col->width + col->spacing / 2); /* * Figure out whether a vertical line is crossing * at the end of this column, * and advance to the next column. */ uw = dw = 0; if (cpp != NULL) { if (flags != TBL_OPT_DBOX) { uw = cpp->vert; if (uw == 0 && opts & TBL_OPT_ALLBOX) uw = 1; } cpp = cpp->next; } if (cpn != NULL) { if (flags != TBL_OPT_DBOX) { dw = cpn->vert; if (dw == 0 && opts & TBL_OPT_ALLBOX) dw = 1; } cpn = cpn->next; while (dpn != NULL && dpn->layout != cpn) dpn = dpn->next; } if (cpp == NULL && cpn == NULL) break; /* Vertical lines do not cross spanned cells. */ if (cpp != NULL && cpp->pos == TBL_CELL_SPAN) uw = 0; if (cpn != NULL && cpn->pos == TBL_CELL_SPAN) dw = 0; /* The horizontal line inside the next column. */ rw = cpp == NULL || cpn == NULL || (cpn->pos != TBL_CELL_DOWN && (dpn == NULL || strcmp(dpn->string, "\\^") != 0)) ? hw : 0; /* The line crossing at the end of this column. */ if (col->spacing) tbl_direct_border(tp, BLEFT * lw + BRIGHT * rw + BUP * uw + BDOWN * dw, 1); /* * In ASCII output, a crossing may print two characters. */ if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2)) uw = dw = 0; if (col->spacing > 2) tbl_direct_border(tp, BHORIZ * rw + BUP * uw + BDOWN * dw, 1); /* Padding before the start of the next column. */ if (col->spacing > 4) tbl_direct_border(tp, BHORIZ * rw, (col->spacing - 3) / 2); } /* Print the right end of the line. */ if (flags != 0) { tbl_direct_border(tp, (spp == NULL ? 0 : BUP * bw) + (spn == NULL ? 0 : BDOWN * bw) + (spp == NULL || spn == NULL || spn->layout->last->pos != TBL_CELL_DOWN ? BLEFT * hw : 0), 1); (*tp->endline)(tp); tp->viscol = 0; } } static void tbl_data(struct termp *tp, const struct tbl_opts *opts, const struct tbl_cell *cp, const struct tbl_dat *dp, const struct roffcol *col) { switch (cp->pos) { case TBL_CELL_HORIZ: tbl_fill_border(tp, BHORIZ, col->width); return; case TBL_CELL_DHORIZ: tbl_fill_border(tp, BHORIZ * 2, col->width); return; default: break; } if (dp == NULL) return; switch (dp->pos) { case TBL_DATA_NONE: return; case TBL_DATA_HORIZ: case TBL_DATA_NHORIZ: tbl_fill_border(tp, BHORIZ, col->width); return; case TBL_DATA_NDHORIZ: case TBL_DATA_DHORIZ: tbl_fill_border(tp, BHORIZ * 2, col->width); return; default: break; } switch (cp->pos) { case TBL_CELL_LONG: case TBL_CELL_CENTRE: case TBL_CELL_LEFT: case TBL_CELL_RIGHT: tbl_literal(tp, dp, col); break; case TBL_CELL_NUMBER: tbl_number(tp, opts, dp, col); break; case TBL_CELL_DOWN: case TBL_CELL_SPAN: break; default: abort(); } } static void tbl_fill_string(struct termp *tp, const char *cp, size_t len) { size_t i, sz; sz = term_strlen(tp, cp); for (i = 0; i < len; i += sz) term_word(tp, cp); } static void tbl_fill_char(struct termp *tp, char c, size_t len) { char cp[2]; cp[0] = c; cp[1] = '\0'; tbl_fill_string(tp, cp, len); } static void tbl_fill_border(struct termp *tp, int c, size_t len) { char buf[12]; if ((c = borders_locale[c]) > 127) { (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c); tbl_fill_string(tp, buf, len); } else tbl_fill_char(tp, c, len); } static void tbl_direct_border(struct termp *tp, int c, size_t len) { size_t i, sz; c = borders_locale[c]; sz = (*tp->width)(tp, c); for (i = 0; i < len; i += sz) { (*tp->letter)(tp, c); tp->viscol += sz; } } static void tbl_literal(struct termp *tp, const struct tbl_dat *dp, const struct roffcol *col) { size_t len, padl, padr, width; int ic, hspans; assert(dp->string); len = term_strlen(tp, dp->string); width = col->width; ic = dp->layout->col; hspans = dp->hspans; while (hspans--) width += tp->tbl.cols[++ic].width + 3; padr = width > len ? width - len : 0; padl = 0; switch (dp->layout->pos) { case TBL_CELL_LONG: padl = term_len(tp, 1); padr = padr > padl ? padr - padl : 0; break; case TBL_CELL_CENTRE: if (2 > padr) break; padl = padr / 2; padr -= padl; break; case TBL_CELL_RIGHT: padl = padr; padr = 0; break; default: break; } tbl_fill_char(tp, ASCII_NBRSP, padl); tbl_word(tp, dp); tbl_fill_char(tp, ASCII_NBRSP, padr); } static void tbl_number(struct termp *tp, const struct tbl_opts *opts, const struct tbl_dat *dp, const struct roffcol *col) { const char *cp, *lastdigit, *lastpoint; size_t intsz, padl, totsz; char buf[2]; /* * Almost the same code as in tblcalc_number(): * First find the position of the decimal point. */ assert(dp->string); lastdigit = lastpoint = NULL; for (cp = dp->string; cp[0] != '\0'; cp++) { if (cp[0] == '\\' && cp[1] == '&') { lastdigit = lastpoint = cp; break; } else if (cp[0] == opts->decimal && (isdigit((unsigned char)cp[1]) || (cp > dp->string && isdigit((unsigned char)cp[-1])))) lastpoint = cp; else if (isdigit((unsigned char)cp[0])) lastdigit = cp; } /* Then measure both widths. */ padl = 0; totsz = term_strlen(tp, dp->string); if (lastdigit != NULL) { if (lastpoint == NULL) lastpoint = lastdigit + 1; intsz = 0; buf[1] = '\0'; for (cp = dp->string; cp < lastpoint; cp++) { buf[0] = cp[0]; intsz += term_strlen(tp, buf); } /* * Pad left to match the decimal position, * but avoid exceeding the total column width. */ if (col->decimal > intsz && col->width > totsz) { padl = col->decimal - intsz; if (padl + totsz > col->width) padl = col->width - totsz; } /* If it is not a number, simply center the string. */ } else if (col->width > totsz) padl = (col->width - totsz) / 2; tbl_fill_char(tp, ASCII_NBRSP, padl); tbl_word(tp, dp); /* Pad right to fill the column. */ if (col->width > padl + totsz) tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz); } static void tbl_word(struct termp *tp, const struct tbl_dat *dp) { int prev_font; prev_font = tp->fonti; if (dp->layout->flags & TBL_CELL_BOLD) term_fontpush(tp, TERMFONT_BOLD); else if (dp->layout->flags & TBL_CELL_ITALIC) term_fontpush(tp, TERMFONT_UNDER); term_word(tp, dp->string); term_fontpopq(tp, prev_font); }