=================================================================== RCS file: /cvs/mandoc/out.c,v retrieving revision 1.25 retrieving revision 1.35 diff -u -p -r1.25 -r1.35 --- mandoc/out.c 2010/08/24 12:18:49 1.25 +++ mandoc/out.c 2011/01/11 14:12:01 1.35 @@ -1,4 +1,4 @@ -/* $Id: out.c,v 1.25 2010/08/24 12:18:49 kristaps Exp $ */ +/* $Id: out.c,v 1.35 2011/01/11 14:12:01 kristaps Exp $ */ /* * Copyright (c) 2009, 2010 Kristaps Dzonsons * @@ -27,8 +27,16 @@ #include #include +#include "mandoc.h" #include "out.h" +static void tblcalc_data(struct rofftbl *, struct roffcol *, + const struct tbl *, 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 *); + /* * Convert a `scaling unit' to a consistent form, or fail. Scaling * units are documented in groff.7, mdoc.7, man.7. @@ -220,6 +228,8 @@ a2roffdeco(enum roffdeco *d, const char **word, size_t break; } break; + case ('k'): + /* FALLTHROUGH */ case ('M'): /* FALLTHROUGH */ case ('m'): @@ -277,6 +287,26 @@ a2roffdeco(enum roffdeco *d, const char **word, size_t 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; @@ -293,6 +323,14 @@ a2roffdeco(enum roffdeco *d, const char **word, size_t } else lim = 1; break; + case ('o'): + /* FALLTHROUGH */ + case ('w'): + if ('\'' == wp[i++]) { + term = '\''; + break; + } + /* FALLTHROUGH */ default: *d = DECO_SSPECIAL; i--; @@ -328,3 +366,203 @@ a2roffdeco(enum roffdeco *d, const char **word, size_t return(i); } + +/* + * Calculate the abstract widths and decimal positions of columns in a + * table. This routine allocates the columns structures then runs over + * all rows and cells in the table. The function pointers in "tbl" are + * used for the actual width calculations. + */ +void +tblcalc(struct rofftbl *tbl, const struct tbl_span *sp) +{ + const struct tbl_dat *dp; + const struct tbl_head *hp; + struct roffcol *col; + + /* + * Allocate the master column specifiers. These will hold the + * widths and decimal positions for all cells in the column. It + * must be freed and nullified by the caller. + */ + + assert(NULL == tbl->cols); + tbl->cols = calloc(sp->tbl->cols, sizeof(struct roffcol)); + + hp = sp->head; + + for ( ; sp; sp = sp->next) { + if (TBL_SPAN_DATA != sp->pos) + continue; + /* + * 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) { + 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; + } + } +} + +static void +tblcalc_data(struct rofftbl *tbl, struct roffcol *col, + const struct tbl *tp, const struct tbl_dat *dp) +{ + size_t sz; + + /* Branch down into data sub-types. */ + + 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); + break; + case (TBL_CELL_NUMBER): + tblcalc_number(tbl, col, tp, dp); + break; + case (TBL_CELL_DOWN): + break; + default: + abort(); + /* NOTREACHED */ + } +} + +static void +tblcalc_literal(struct rofftbl *tbl, struct roffcol *col, + const struct tbl_dat *dp) +{ + size_t sz, bufsz, spsz; + const char *str; + + /* + * 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). + */ + + bufsz = spsz = 0; + str = dp->string ? dp->string : ""; + sz = (*tbl->slen)(str, tbl->arg); + + /* FIXME: TBL_DATA_HORIZ et al.? */ + + 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; + } + + if (dp->layout->spacing) { + spsz = (*tbl->len)(dp->layout->spacing, tbl->arg); + bufsz = bufsz > spsz ? bufsz : spsz; + } + + 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) +{ + int i; + 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 + * 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->string ? dp->string : ""; + sz = (*tbl->slen)(str, tbl->arg); + + /* FIXME: TBL_DATA_HORIZ et al.? */ + + buf[0] = tp->decimal; + buf[1] = '\0'; + + psz = (*tbl->slen)(buf, tbl->arg); + + if (NULL != (cp = strrchr(str, tp->decimal))) { + buf[1] = '\0'; + for (ssz = 0, i = 0; cp != &str[i]; i++) { + buf[0] = str[i]; + ssz += (*tbl->slen)(buf, tbl->arg); + } + d = ssz + psz; + } 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) { + sz += col->decimal - d; + d = col->decimal; + } else + col->width += d - col->decimal; + + if (sz > col->width) + col->width = sz; + if (d > col->decimal) + col->decimal = d; + + /* Adjust for stipulated width. */ + + if (col->width < dp->layout->spacing) + col->width = dp->layout->spacing; +} + +