=================================================================== RCS file: /cvs/mandoc/out.c,v retrieving revision 1.59 retrieving revision 1.68 diff -u -p -r1.59 -r1.68 --- mandoc/out.c 2015/01/30 04:11:50 1.59 +++ mandoc/out.c 2017/06/14 18:23:37 1.68 @@ -1,7 +1,7 @@ -/* $Id: out.c,v 1.59 2015/01/30 04:11:50 schwarze Exp $ */ +/* $Id: out.c,v 1.68 2017/06/14 18:23:37 schwarze Exp $ */ /* * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2011, 2014, 2015 Ingo Schwarze + * Copyright (c) 2011, 2014, 2015, 2017 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 @@ -29,9 +29,10 @@ #include "out.h" static void tblcalc_data(struct rofftbl *, struct roffcol *, - const struct tbl_opts *, const struct tbl_dat *); + const struct tbl_opts *, const struct tbl_dat *, + size_t); static void tblcalc_literal(struct rofftbl *, struct roffcol *, - const struct tbl_dat *); + const struct tbl_dat *, size_t); static void tblcalc_number(struct rofftbl *, struct roffcol *, const struct tbl_opts *, const struct tbl_dat *); @@ -40,10 +41,10 @@ static void tblcalc_number(struct rofftbl *, struct ro * Parse the *src string and store a scaling unit into *dst. * If the string doesn't specify the unit, use the default. * If no default is specified, fail. - * Return 2 on complete success, 1 when a conversion was done, - * but there was trailing garbage, and 0 on total failure. + * Return a pointer to the byte after the last byte used, + * or NULL on total failure. */ -int +const char * a2roffsu(const char *src, struct roffsu *dst, enum roffscale def) { char *endptr; @@ -51,7 +52,7 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof dst->unit = def == SCALE_MAX ? SCALE_BU : def; dst->scale = strtod(src, &endptr); if (endptr == src) - return(0); + return NULL; switch (*endptr++) { case 'c': @@ -84,17 +85,14 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof case 'v': dst->unit = SCALE_VS; break; - case '\0': - endptr--; - /* FALLTHROUGH */ default: + endptr--; if (SCALE_MAX == def) - return(0); + return NULL; dst->unit = def; break; } - - return(*endptr == '\0' ? 2 : 1); + return endptr; } /* @@ -105,8 +103,9 @@ a2roffsu(const char *src, struct roffsu *dst, enum rof */ void tblcalc(struct rofftbl *tbl, const struct tbl_span *sp, - size_t totalwidth) + size_t offset, size_t rmargin) { + struct roffsu su; const struct tbl_opts *opts; const struct tbl_dat *dp; struct roffcol *col; @@ -147,7 +146,18 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp col->flags |= dp->layout->flags; if (dp->layout->flags & TBL_CELL_WIGN) continue; - tblcalc_data(tbl, col, opts, dp); + if (dp->layout->wstr != NULL && + dp->layout->width == 0 && + a2roffsu(dp->layout->wstr, &su, SCALE_EN) + != NULL) + dp->layout->width = + (*tbl->sulen)(&su, tbl->arg); + if (col->width < dp->layout->width) + col->width = dp->layout->width; + tblcalc_data(tbl, col, opts, dp, + dp->block == 0 ? 0 : + dp->layout->width ? dp->layout->width : + rmargin ? rmargin / (sp->opts->cols + 1) : 0); } } @@ -184,7 +194,7 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp continue; if (col->width == ewidth) continue; - if (nxcol && totalwidth) + if (nxcol && rmargin) xwidth += ewidth - col->width; col->width = ewidth; } @@ -196,10 +206,13 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp * Distribute the available width evenly. */ - if (nxcol && totalwidth) { - xwidth = totalwidth - xwidth - 3*maxcol - + if (nxcol && rmargin) { + xwidth += 3*maxcol + (opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ? 2 : !!opts->lvert + !!opts->rvert); + if (rmargin <= offset + xwidth) + return; + xwidth = rmargin - offset - xwidth; /* * Emulate a bug in GNU tbl width calculation that @@ -232,7 +245,7 @@ tblcalc(struct rofftbl *tbl, const struct tbl_span *sp static void tblcalc_data(struct rofftbl *tbl, struct roffcol *col, - const struct tbl_opts *opts, const struct tbl_dat *dp) + const struct tbl_opts *opts, const struct tbl_dat *dp, size_t mw) { size_t sz; @@ -240,20 +253,16 @@ tblcalc_data(struct rofftbl *tbl, struct roffcol *col, switch (dp->layout->pos) { case TBL_CELL_HORIZ: - /* FALLTHROUGH */ case TBL_CELL_DHORIZ: sz = (*tbl->len)(1, tbl->arg); if (col->width < sz) col->width = sz; break; case TBL_CELL_LONG: - /* FALLTHROUGH */ case TBL_CELL_CENTRE: - /* FALLTHROUGH */ case TBL_CELL_LEFT: - /* FALLTHROUGH */ case TBL_CELL_RIGHT: - tblcalc_literal(tbl, col, dp); + tblcalc_literal(tbl, col, dp, mw); break; case TBL_CELL_NUMBER: tblcalc_number(tbl, col, opts, dp); @@ -262,22 +271,40 @@ tblcalc_data(struct rofftbl *tbl, struct roffcol *col, break; default: abort(); - /* NOTREACHED */ } } static void tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, - const struct tbl_dat *dp) + const struct tbl_dat *dp, size_t mw) { - size_t sz; - const char *str; + const char *str; /* Beginning of the first line. */ + const char *beg; /* Beginning of the current line. */ + char *end; /* End of the current line. */ + size_t lsz; /* Length of the current line. */ + size_t wsz; /* Length of the current word. */ - str = dp->string ? dp->string : ""; - sz = (*tbl->slen)(str, tbl->arg); - - if (col->width < sz) - col->width = sz; + if (dp->string == NULL || *dp->string == '\0') + return; + str = mw ? mandoc_strdup(dp->string) : dp->string; + lsz = 0; + for (beg = str; beg != NULL && *beg != '\0'; beg = end) { + end = mw ? strchr(beg, ' ') : NULL; + if (end != NULL) { + *end++ = '\0'; + while (*end == ' ') + end++; + } + wsz = (*tbl->slen)(beg, tbl->arg); + if (mw && lsz && lsz + 1 + wsz <= mw) + lsz += 1 + wsz; + else + lsz = wsz; + if (col->width < lsz) + col->width = lsz; + } + if (mw) + free((void *)str); } static void