version 1.1, 2011/01/02 12:21:07 |
version 1.24, 2012/05/27 18:02:49 |
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/* $Id$ */ |
/* $Id$ */ |
/* |
/* |
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se> |
* Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv> |
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* Copyright (c) 2011, 2012 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 |
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#include "out.h" |
#include "out.h" |
#include "term.h" |
#include "term.h" |
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/* FIXME: `n' modifier doesn't always do the right thing. */ |
static size_t term_tbl_len(size_t, void *); |
/* FIXME: `n' modifier doesn't use the cell-spacing buffer. */ |
static size_t term_tbl_strlen(const char *, void *); |
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static void tbl_char(struct termp *, char, size_t); |
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static void tbl_data(struct termp *, const struct tbl *, |
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const struct tbl_dat *, |
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const struct roffcol *); |
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static size_t tbl_rulewidth(struct termp *, const struct tbl_head *); |
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static void tbl_hframe(struct termp *, const struct tbl_span *, int); |
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static void tbl_literal(struct termp *, const struct tbl_dat *, |
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const struct roffcol *); |
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static void tbl_number(struct termp *, const struct tbl *, |
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const struct tbl_dat *, |
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const struct roffcol *); |
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static void tbl_hrule(struct termp *, const struct tbl_span *); |
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static void tbl_vrule(struct termp *, const struct tbl_head *); |
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static inline void tbl_char(struct termp *, char, int); |
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static void tbl_hframe(struct termp *, |
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const struct tbl_span *); |
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static void tbl_data_number(struct termp *, |
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const struct tbl *, |
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const struct tbl_dat *, int); |
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static void tbl_data_literal(struct termp *, |
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const struct tbl_dat *, int); |
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static void tbl_data_spanner(struct termp *, |
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const struct tbl_dat *, int); |
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static void tbl_data(struct termp *, const struct tbl *, |
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const struct tbl_dat *, int); |
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static void tbl_spanner(struct termp *, |
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const struct tbl_head *); |
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static void tbl_hrule(struct termp *, |
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const struct tbl_span *); |
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static void tbl_vframe(struct termp *, const struct tbl *); |
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static size_t |
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term_tbl_strlen(const char *p, void *arg) |
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{ |
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return(term_strlen((const struct termp *)arg, p)); |
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} |
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static size_t |
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term_tbl_len(size_t sz, void *arg) |
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{ |
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return(term_len((const struct termp *)arg, sz)); |
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} |
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void |
void |
term_tbl(struct termp *tp, const struct tbl_span *sp) |
term_tbl(struct termp *tp, const struct tbl_span *sp) |
{ |
{ |
const struct tbl_head *hp; |
const struct tbl_head *hp; |
const struct tbl_dat *dp; |
const struct tbl_dat *dp; |
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struct roffcol *col; |
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int spans; |
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size_t rmargin, maxrmargin; |
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if (TBL_SPAN_FIRST & sp->flags) |
rmargin = tp->rmargin; |
term_flushln(tp); |
maxrmargin = tp->maxrmargin; |
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if (TBL_SPAN_FIRST & sp->flags) |
tp->rmargin = tp->maxrmargin = TERM_MAXMARGIN; |
tbl_hframe(tp, sp); |
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/* Inhibit printing of spaces: we do padding ourselves. */ |
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tp->flags |= TERMP_NONOSPACE; |
tp->flags |= TERMP_NONOSPACE; |
tp->flags |= TERMP_NOSPACE; |
tp->flags |= TERMP_NOSPACE; |
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tbl_vframe(tp, sp->tbl); |
/* |
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* The first time we're invoked for a given table block, |
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* calculate the table widths and decimal positions. |
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*/ |
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if (TBL_SPAN_FIRST & sp->flags) { |
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term_flushln(tp); |
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tp->tbl.len = term_tbl_len; |
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tp->tbl.slen = term_tbl_strlen; |
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tp->tbl.arg = tp; |
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tblcalc(&tp->tbl, sp); |
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} |
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/* Horizontal frame at the start of boxed tables. */ |
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if (TBL_SPAN_FIRST & sp->flags) { |
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if (TBL_OPT_DBOX & sp->tbl->opts) |
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tbl_hframe(tp, sp, 1); |
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if (TBL_OPT_DBOX & sp->tbl->opts || |
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TBL_OPT_BOX & sp->tbl->opts) |
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tbl_hframe(tp, sp, 0); |
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} |
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/* Vertical frame at the start of each row. */ |
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if (TBL_OPT_BOX & sp->tbl->opts || TBL_OPT_DBOX & sp->tbl->opts) |
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term_word(tp, TBL_SPAN_HORIZ == sp->pos || |
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TBL_SPAN_DHORIZ == sp->pos ? "+" : "|"); |
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/* |
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* Now print the actual data itself depending on the span type. |
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* Spanner spans get a horizontal rule; data spanners have their |
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* data printed by matching data to header. |
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*/ |
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switch (sp->pos) { |
switch (sp->pos) { |
case (TBL_SPAN_HORIZ): |
case (TBL_SPAN_HORIZ): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (TBL_SPAN_DHORIZ): |
case (TBL_SPAN_DHORIZ): |
tbl_hrule(tp, sp); |
tbl_hrule(tp, sp); |
tbl_vframe(tp, sp->tbl); |
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term_newln(tp); |
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tp->flags &= ~TERMP_NONOSPACE; |
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return; |
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default: |
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break; |
break; |
} |
case (TBL_SPAN_DATA): |
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/* Iterate over template headers. */ |
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dp = sp->first; |
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spans = 0; |
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for (hp = sp->head; hp; hp = hp->next) { |
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dp = sp->first; |
/* |
for (hp = sp->head; hp; hp = hp->next) { |
* If the current data header is invoked during |
switch (hp->pos) { |
* a spanner ("spans" > 0), don't emit anything |
case (TBL_HEAD_VERT): |
* at all. |
/* FALLTHROUGH */ |
*/ |
case (TBL_HEAD_DVERT): |
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tbl_spanner(tp, hp); |
if (--spans >= 0) |
break; |
continue; |
case (TBL_HEAD_DATA): |
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tbl_data(tp, sp->tbl, dp, hp->width); |
/* Separate columns. */ |
if (dp) |
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if (NULL != hp->prev) |
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tbl_vrule(tp, hp); |
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col = &tp->tbl.cols[hp->ident]; |
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tbl_data(tp, sp->tbl, dp, col); |
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/* |
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* Go to the next data cell and assign the |
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* number of subsequent spans, if applicable. |
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*/ |
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if (dp) { |
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spans = dp->spans; |
dp = dp->next; |
dp = dp->next; |
break; |
} |
default: |
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abort(); |
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/* NOTREACHED */ |
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} |
} |
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break; |
} |
} |
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tbl_vframe(tp, sp->tbl); |
/* Vertical frame at the end of each row. */ |
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if (TBL_OPT_BOX & sp->tbl->opts || TBL_OPT_DBOX & sp->tbl->opts) |
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term_word(tp, TBL_SPAN_HORIZ == sp->pos || |
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TBL_SPAN_DHORIZ == sp->pos ? "+" : " |"); |
term_flushln(tp); |
term_flushln(tp); |
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if (TBL_SPAN_LAST & sp->flags) |
/* |
tbl_hframe(tp, sp); |
* If we're the last row, clean up after ourselves: clear the |
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* existing table configuration and set it to NULL. |
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*/ |
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if (TBL_SPAN_LAST & sp->flags) { |
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if (TBL_OPT_DBOX & sp->tbl->opts || |
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TBL_OPT_BOX & sp->tbl->opts) { |
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tbl_hframe(tp, sp, 0); |
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tp->skipvsp = 1; |
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} |
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if (TBL_OPT_DBOX & sp->tbl->opts) { |
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tbl_hframe(tp, sp, 1); |
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tp->skipvsp = 2; |
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} |
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assert(tp->tbl.cols); |
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free(tp->tbl.cols); |
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tp->tbl.cols = NULL; |
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} |
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tp->flags &= ~TERMP_NONOSPACE; |
tp->flags &= ~TERMP_NONOSPACE; |
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tp->rmargin = rmargin; |
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tp->maxrmargin = maxrmargin; |
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} |
} |
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/* |
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* Horizontal rules extend across the entire table. |
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* Calculate the width by iterating over columns. |
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*/ |
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static size_t |
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tbl_rulewidth(struct termp *tp, const struct tbl_head *hp) |
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{ |
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size_t width; |
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width = tp->tbl.cols[hp->ident].width; |
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/* Account for leading blanks. */ |
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if (hp->prev) |
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width += 2 - hp->vert; |
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/* Account for trailing blank. */ |
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width++; |
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return(width); |
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} |
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/* |
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* Rules inside the table can be single or double |
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* and have crossings with vertical rules marked with pluses. |
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*/ |
static void |
static void |
tbl_hrule(struct termp *tp, const struct tbl_span *sp) |
tbl_hrule(struct termp *tp, const struct tbl_span *sp) |
{ |
{ |
const struct tbl_head *hp; |
const struct tbl_head *hp; |
char c; |
char c; |
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/* |
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* An hrule extends across the entire table and is demarked by a |
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* standalone `_' or whatnot in lieu of a table row. Spanning |
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* headers are marked by a `+', as are table boundaries. |
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*/ |
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c = '-'; |
c = '-'; |
if (TBL_SPAN_DHORIZ == sp->pos) |
if (TBL_SPAN_DHORIZ == sp->pos) |
c = '='; |
c = '='; |
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/* FIXME: don't use `+' between data and a spanner! */ |
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for (hp = sp->head; hp; hp = hp->next) { |
for (hp = sp->head; hp; hp = hp->next) { |
switch (hp->pos) { |
if (hp->prev && hp->vert) |
case (TBL_HEAD_DATA): |
tbl_char(tp, '+', hp->vert); |
tbl_char(tp, c, hp->width); |
tbl_char(tp, c, tbl_rulewidth(tp, hp)); |
break; |
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case (TBL_HEAD_DVERT): |
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tbl_char(tp, '+', hp->width); |
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/* FALLTHROUGH */ |
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case (TBL_HEAD_VERT): |
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tbl_char(tp, '+', hp->width); |
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break; |
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default: |
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abort(); |
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/* NOTREACHED */ |
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} |
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} |
} |
} |
} |
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/* |
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* Rules above and below the table are always single |
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* and have an additional plus at the beginning and end. |
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* For double frames, this function is called twice, |
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* and the outer one does not have crossings. |
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*/ |
static void |
static void |
tbl_hframe(struct termp *tp, const struct tbl_span *sp) |
tbl_hframe(struct termp *tp, const struct tbl_span *sp, int outer) |
{ |
{ |
const struct tbl_head *hp; |
const struct tbl_head *hp; |
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if ( ! (TBL_OPT_BOX & sp->tbl->opts || |
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TBL_OPT_DBOX & sp->tbl->opts)) |
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return; |
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tp->flags |= TERMP_NONOSPACE; |
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tp->flags |= TERMP_NOSPACE; |
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/* |
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* Print out the horizontal part of a frame or double frame. A |
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* double frame has an unbroken `-' outer line the width of the |
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* table, bordered by `+'. The frame (or inner frame, in the |
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* case of the double frame) is a `-' bordered by `+' and broken |
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* by `+' whenever a span is encountered. |
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*/ |
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if (TBL_OPT_DBOX & sp->tbl->opts) { |
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term_word(tp, "+"); |
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for (hp = sp->head; hp; hp = hp->next) |
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tbl_char(tp, '-', hp->width); |
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term_word(tp, "+"); |
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term_flushln(tp); |
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} |
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term_word(tp, "+"); |
term_word(tp, "+"); |
for (hp = sp->head; hp; hp = hp->next) { |
for (hp = sp->head; hp; hp = hp->next) { |
switch (hp->pos) { |
if (hp->prev && hp->vert) |
case (TBL_HEAD_DATA): |
tbl_char(tp, (outer ? '-' : '+'), hp->vert); |
tbl_char(tp, '-', hp->width); |
tbl_char(tp, '-', tbl_rulewidth(tp, hp)); |
break; |
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default: |
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tbl_char(tp, '+', hp->width); |
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break; |
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} |
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} |
} |
term_word(tp, "+"); |
term_word(tp, "+"); |
term_flushln(tp); |
term_flushln(tp); |
Line 188 tbl_hframe(struct termp *tp, const struct tbl_span *sp |
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Line 255 tbl_hframe(struct termp *tp, const struct tbl_span *sp |
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static void |
static void |
tbl_data(struct termp *tp, const struct tbl *tbl, |
tbl_data(struct termp *tp, const struct tbl *tbl, |
const struct tbl_dat *dp, int width) |
const struct tbl_dat *dp, |
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const struct roffcol *col) |
{ |
{ |
enum tbl_cellt pos; |
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if (NULL == dp) { |
if (NULL == dp) { |
tbl_char(tp, ASCII_NBRSP, width); |
tbl_char(tp, ASCII_NBRSP, col->width); |
return; |
return; |
} |
} |
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assert(dp->layout); |
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switch (dp->pos) { |
switch (dp->pos) { |
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case (TBL_DATA_NONE): |
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tbl_char(tp, ASCII_NBRSP, col->width); |
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return; |
case (TBL_DATA_HORIZ): |
case (TBL_DATA_HORIZ): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
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case (TBL_DATA_NHORIZ): |
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tbl_char(tp, '-', col->width); |
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return; |
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case (TBL_DATA_NDHORIZ): |
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/* FALLTHROUGH */ |
case (TBL_DATA_DHORIZ): |
case (TBL_DATA_DHORIZ): |
tbl_data_spanner(tp, dp, width); |
tbl_char(tp, '=', col->width); |
return; |
return; |
default: |
default: |
break; |
break; |
} |
} |
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pos = dp->layout ? dp->layout->pos : TBL_CELL_LEFT; |
switch (dp->layout->pos) { |
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switch (pos) { |
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case (TBL_CELL_HORIZ): |
case (TBL_CELL_HORIZ): |
/* FALLTHROUGH */ |
tbl_char(tp, '-', col->width); |
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break; |
case (TBL_CELL_DHORIZ): |
case (TBL_CELL_DHORIZ): |
tbl_data_spanner(tp, dp, width); |
tbl_char(tp, '=', col->width); |
break; |
break; |
case (TBL_CELL_LONG): |
case (TBL_CELL_LONG): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
Line 222 tbl_data(struct termp *tp, const struct tbl *tbl, |
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Line 297 tbl_data(struct termp *tp, const struct tbl *tbl, |
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case (TBL_CELL_LEFT): |
case (TBL_CELL_LEFT): |
/* FALLTHROUGH */ |
/* FALLTHROUGH */ |
case (TBL_CELL_RIGHT): |
case (TBL_CELL_RIGHT): |
tbl_data_literal(tp, dp, width); |
tbl_literal(tp, dp, col); |
break; |
break; |
case (TBL_CELL_NUMBER): |
case (TBL_CELL_NUMBER): |
tbl_data_number(tp, tbl, dp, width); |
tbl_number(tp, tbl, dp, col); |
break; |
break; |
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case (TBL_CELL_DOWN): |
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tbl_char(tp, ASCII_NBRSP, col->width); |
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break; |
default: |
default: |
abort(); |
abort(); |
/* NOTREACHED */ |
/* NOTREACHED */ |
} |
} |
} |
} |
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static void |
static void |
tbl_spanner(struct termp *tp, const struct tbl_head *hp) |
tbl_vrule(struct termp *tp, const struct tbl_head *hp) |
{ |
{ |
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switch (hp->pos) { |
tbl_char(tp, ASCII_NBRSP, 1); |
case (TBL_HEAD_VERT): |
if (0 < hp->vert) |
term_word(tp, "|"); |
tbl_char(tp, '|', hp->vert); |
break; |
if (2 > hp->vert) |
case (TBL_HEAD_DVERT): |
tbl_char(tp, ASCII_NBRSP, 2 - hp->vert); |
term_word(tp, "||"); |
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break; |
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default: |
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break; |
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} |
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} |
} |
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static void |
static void |
tbl_vframe(struct termp *tp, const struct tbl *tbl) |
tbl_char(struct termp *tp, char c, size_t len) |
{ |
{ |
/* Always just a single vertical line. */ |
size_t i, sz; |
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if (TBL_OPT_BOX & tbl->opts || TBL_OPT_DBOX & tbl->opts) |
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term_word(tp, "|"); |
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} |
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static inline void |
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tbl_char(struct termp *tp, char c, int len) |
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{ |
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int i; |
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char cp[2]; |
char cp[2]; |
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cp[0] = c; |
cp[0] = c; |
cp[1] = '\0'; |
cp[1] = '\0'; |
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for (i = 0; i < len; i++) |
sz = term_strlen(tp, cp); |
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for (i = 0; i < len; i += sz) |
term_word(tp, cp); |
term_word(tp, cp); |
} |
} |
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static void |
static void |
tbl_data_spanner(struct termp *tp, const struct tbl_dat *dp, int width) |
tbl_literal(struct termp *tp, const struct tbl_dat *dp, |
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const struct roffcol *col) |
{ |
{ |
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struct tbl_head *hp; |
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size_t width, len, padl, padr; |
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int spans; |
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switch (dp->pos) { |
assert(dp->string); |
case (TBL_DATA_HORIZ): |
len = term_strlen(tp, dp->string); |
case (TBL_DATA_NHORIZ): |
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tbl_char(tp, '-', width); |
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break; |
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case (TBL_DATA_DHORIZ): |
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case (TBL_DATA_NDHORIZ): |
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tbl_char(tp, '=', width); |
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break; |
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default: |
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break; |
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} |
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} |
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static void |
hp = dp->layout->head->next; |
tbl_data_literal(struct termp *tp, const struct tbl_dat *dp, int width) |
width = col->width; |
{ |
for (spans = dp->spans; spans--; hp = hp->next) |
int padl, padr; |
width += tp->tbl.cols[hp->ident].width + 3; |
enum tbl_cellt pos; |
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padl = padr = 0; |
padr = width > len ? width - len : 0; |
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padl = 0; |
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pos = dp->layout ? dp->layout->pos : TBL_CELL_LEFT; |
switch (dp->layout->pos) { |
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switch (pos) { |
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case (TBL_CELL_LONG): |
case (TBL_CELL_LONG): |
padl = 1; |
padl = term_len(tp, 1); |
padr = width - (int)strlen(dp->string) - 1; |
padr = padr > padl ? padr - padl : 0; |
break; |
break; |
case (TBL_CELL_CENTRE): |
case (TBL_CELL_CENTRE): |
padl = width - (int)strlen(dp->string); |
if (2 > padr) |
if (padl % 2) |
break; |
padr++; |
padl = padr / 2; |
padl /= 2; |
padr -= padl; |
padr += padl; |
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break; |
break; |
case (TBL_CELL_RIGHT): |
case (TBL_CELL_RIGHT): |
padl = width - (int)strlen(dp->string); |
padl = padr; |
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padr = 0; |
break; |
break; |
default: |
default: |
padr = width - (int)strlen(dp->string); |
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break; |
break; |
} |
} |
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Line 325 tbl_data_literal(struct termp *tp, const struct tbl_da |
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Line 381 tbl_data_literal(struct termp *tp, const struct tbl_da |
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} |
} |
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static void |
static void |
tbl_data_number(struct termp *tp, const struct tbl *tbl, |
tbl_number(struct termp *tp, const struct tbl *tbl, |
const struct tbl_dat *dp, int width) |
const struct tbl_dat *dp, |
|
const struct roffcol *col) |
{ |
{ |
char *decp, pnt; |
char *cp; |
int d, padl, sz; |
char buf[2]; |
|
size_t sz, psz, ssz, d, padl; |
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int i; |
|
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/* |
/* |
* See calc_data_number(). Left-pad by taking the offset of our |
* See calc_data_number(). Left-pad by taking the offset of our |
* and the maximum decimal; right-pad by the remaining amount. |
* and the maximum decimal; right-pad by the remaining amount. |
*/ |
*/ |
|
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sz = (int)strlen(dp->string); |
assert(dp->string); |
pnt = tbl->decimal; |
|
|
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if (NULL == (decp = strchr(dp->string, pnt))) { |
sz = term_strlen(tp, dp->string); |
d = sz + 1; |
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} else { |
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d = (int)(decp - dp->string) + 1; |
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} |
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assert(d <= dp->layout->head->decimal); |
buf[0] = tbl->decimal; |
assert(sz - d <= dp->layout->head->width - |
buf[1] = '\0'; |
dp->layout->head->decimal); |
|
|
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padl = dp->layout->head->decimal - d + 1; |
psz = term_strlen(tp, buf); |
assert(width - sz - padl); |
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|
|
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if (NULL != (cp = strrchr(dp->string, tbl->decimal))) { |
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buf[1] = '\0'; |
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for (ssz = 0, i = 0; cp != &dp->string[i]; i++) { |
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buf[0] = dp->string[i]; |
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ssz += term_strlen(tp, buf); |
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} |
|
d = ssz + psz; |
|
} else |
|
d = sz + psz; |
|
|
|
padl = col->decimal - d; |
|
|
tbl_char(tp, ASCII_NBRSP, padl); |
tbl_char(tp, ASCII_NBRSP, padl); |
term_word(tp, dp->string); |
term_word(tp, dp->string); |
tbl_char(tp, ASCII_NBRSP, width - sz - padl); |
if (col->width > sz + padl) |
|
tbl_char(tp, ASCII_NBRSP, col->width - sz - padl); |
} |
} |
|
|