-/* $Id: tbl_term.c,v 1.1 2011/01/02 12:21:07 kristaps Exp $ */
+/* $Id: tbl_term.c,v 1.6 2011/01/03 16:04:41 kristaps Exp $ */
/*
* Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
*
const struct tbl_span *);
static void tbl_data_number(struct termp *,
const struct tbl *,
- const struct tbl_dat *, int);
+ const struct tbl_dat *,
+ const struct termp_tbl *);
static void tbl_data_literal(struct termp *,
- const struct tbl_dat *, int);
+ const struct tbl_dat *,
+ const struct termp_tbl *);
static void tbl_data_spanner(struct termp *,
- const struct tbl_dat *, int);
+ const struct tbl_dat *,
+ const struct termp_tbl *);
static void tbl_data(struct termp *, const struct tbl *,
- const struct tbl_dat *, int);
+ const struct tbl_dat *,
+ const struct termp_tbl *);
static void tbl_spanner(struct termp *,
const struct tbl_head *);
static void tbl_hrule(struct termp *,
const struct tbl_span *);
-static void tbl_vframe(struct termp *, const struct tbl *);
+static void tbl_vframe(struct termp *,
+ const struct tbl *);
+static void tbl_calc(struct termp *,
+ const struct tbl_span *);
+static void tbl_calc_data(struct termp *,
+ const struct tbl *,
+ const struct tbl_dat *,
+ struct termp_tbl *);
+static void tbl_calc_data_literal(struct termp *,
+ const struct tbl_dat *,
+ struct termp_tbl *);
+static void tbl_calc_data_number(struct termp *,
+ const struct tbl *,
+ const struct tbl_dat *,
+ struct termp_tbl *);
void
term_tbl(struct termp *tp, const struct tbl_span *sp)
const struct tbl_head *hp;
const struct tbl_dat *dp;
- if (TBL_SPAN_FIRST & sp->flags)
+ /* Inhibit printing of spaces: we do padding ourselves. */
+
+ tp->flags |= TERMP_NONOSPACE;
+ tp->flags |= TERMP_NOSPACE;
+
+ /*
+ * The first time we're invoked for a given table block, create
+ * the termp_tbl structure. This contains the column
+ * configuration for the entire table, e.g., table-wide column
+ * width, decimal point, etc.
+ */
+
+ if (TBL_SPAN_FIRST & sp->flags) {
+ assert(NULL == tp->tbl);
+ tp->tbl = calloc
+ (sp->tbl->cols, sizeof(struct termp_tbl));
+ if (NULL == tp->tbl) {
+ perror(NULL);
+ exit(EXIT_FAILURE);
+ }
+ tbl_calc(tp, sp);
+
+ /* Flush out any preceding data. */
term_flushln(tp);
+ }
+
+ /* Horizontal frame at the start of boxed tables. */
if (TBL_SPAN_FIRST & sp->flags)
tbl_hframe(tp, sp);
- tp->flags |= TERMP_NONOSPACE;
- tp->flags |= TERMP_NOSPACE;
+ /* Vertical frame at the start of each row. */
tbl_vframe(tp, sp->tbl);
+ /*
+ * Now print the actual data itself depending on the span type.
+ * Spanner spans get a horizontal rule; data spanners have their
+ * data printed by matching data to header.
+ */
+
switch (sp->pos) {
case (TBL_SPAN_HORIZ):
/* FALLTHROUGH */
case (TBL_SPAN_DHORIZ):
tbl_hrule(tp, sp);
- tbl_vframe(tp, sp->tbl);
- term_newln(tp);
- tp->flags &= ~TERMP_NONOSPACE;
- return;
- default:
break;
- }
-
- dp = sp->first;
- for (hp = sp->head; hp; hp = hp->next) {
- switch (hp->pos) {
- case (TBL_HEAD_VERT):
- /* FALLTHROUGH */
- case (TBL_HEAD_DVERT):
- tbl_spanner(tp, hp);
- break;
- case (TBL_HEAD_DATA):
- tbl_data(tp, sp->tbl, dp, hp->width);
+ case (TBL_SPAN_DATA):
+ /* Iterate over template headers. */
+ dp = sp->first;
+ for (hp = sp->head; hp; hp = hp->next) {
+ switch (hp->pos) {
+ case (TBL_HEAD_VERT):
+ /* FALLTHROUGH */
+ case (TBL_HEAD_DVERT):
+ tbl_spanner(tp, hp);
+ continue;
+ case (TBL_HEAD_DATA):
+ break;
+ }
+ tbl_data(tp, sp->tbl, dp,
+ &tp->tbl[hp->ident]);
+
+ /* Go to the next data cell. */
if (dp)
dp = dp->next;
- break;
- default:
- abort();
- /* NOTREACHED */
}
+ break;
}
tbl_vframe(tp, sp->tbl);
term_flushln(tp);
- if (TBL_SPAN_LAST & sp->flags)
+ /*
+ * If we're the last row, clean up after ourselves: clear the
+ * existing table configuration and set it to NULL.
+ */
+
+ if (TBL_SPAN_LAST & sp->flags) {
tbl_hframe(tp, sp);
+ assert(tp->tbl);
+ free(tp->tbl);
+ tp->tbl = NULL;
+ }
tp->flags &= ~TERMP_NONOSPACE;
{
const struct tbl_head *hp;
char c;
+ int width;
/*
* An hrule extends across the entire table and is demarked by a
/* FIXME: don't use `+' between data and a spanner! */
for (hp = sp->head; hp; hp = hp->next) {
+ width = tp->tbl[hp->ident].width;
switch (hp->pos) {
case (TBL_HEAD_DATA):
- tbl_char(tp, c, hp->width);
+ tbl_char(tp, c, width);
break;
case (TBL_HEAD_DVERT):
- tbl_char(tp, '+', hp->width);
+ tbl_char(tp, '+', width);
/* FALLTHROUGH */
case (TBL_HEAD_VERT):
- tbl_char(tp, '+', hp->width);
+ tbl_char(tp, '+', width);
break;
default:
abort();
tbl_hframe(struct termp *tp, const struct tbl_span *sp)
{
const struct tbl_head *hp;
+ int width;
if ( ! (TBL_OPT_BOX & sp->tbl->opts ||
TBL_OPT_DBOX & sp->tbl->opts))
if (TBL_OPT_DBOX & sp->tbl->opts) {
term_word(tp, "+");
- for (hp = sp->head; hp; hp = hp->next)
- tbl_char(tp, '-', hp->width);
+ for (hp = sp->head; hp; hp = hp->next) {
+ width = tp->tbl[hp->ident].width;
+ tbl_char(tp, '-', width);
+ }
term_word(tp, "+");
term_flushln(tp);
}
term_word(tp, "+");
for (hp = sp->head; hp; hp = hp->next) {
+ width = tp->tbl[hp->ident].width;
switch (hp->pos) {
case (TBL_HEAD_DATA):
- tbl_char(tp, '-', hp->width);
+ tbl_char(tp, '-', width);
break;
default:
- tbl_char(tp, '+', hp->width);
+ tbl_char(tp, '+', width);
break;
}
}
static void
tbl_data(struct termp *tp, const struct tbl *tbl,
- const struct tbl_dat *dp, int width)
+ const struct tbl_dat *dp,
+ const struct termp_tbl *tbp)
{
enum tbl_cellt pos;
if (NULL == dp) {
- tbl_char(tp, ASCII_NBRSP, width);
+ tbl_char(tp, ASCII_NBRSP, tbp->width);
return;
}
case (TBL_DATA_HORIZ):
/* FALLTHROUGH */
case (TBL_DATA_DHORIZ):
- tbl_data_spanner(tp, dp, width);
+ tbl_data_spanner(tp, dp, tbp);
return;
default:
break;
case (TBL_CELL_HORIZ):
/* FALLTHROUGH */
case (TBL_CELL_DHORIZ):
- tbl_data_spanner(tp, dp, width);
+ /* FIXME: THIS IS WRONG. */
+ tbl_data_spanner(tp, dp, tbp);
break;
case (TBL_CELL_LONG):
/* FALLTHROUGH */
case (TBL_CELL_LEFT):
/* FALLTHROUGH */
case (TBL_CELL_RIGHT):
- tbl_data_literal(tp, dp, width);
+ tbl_data_literal(tp, dp, tbp);
break;
case (TBL_CELL_NUMBER):
- tbl_data_number(tp, tbl, dp, width);
+ tbl_data_number(tp, tbl, dp, tbp);
break;
default:
abort();
static inline void
tbl_char(struct termp *tp, char c, int len)
{
- int i;
+ int i, sz;
char cp[2];
cp[0] = c;
cp[1] = '\0';
- for (i = 0; i < len; i++)
+ sz = term_strlen(tp, cp);
+
+ for (i = 0; i < len; i += sz)
term_word(tp, cp);
}
static void
-tbl_data_spanner(struct termp *tp, const struct tbl_dat *dp, int width)
+tbl_data_spanner(struct termp *tp,
+ const struct tbl_dat *dp,
+ const struct termp_tbl *tblp)
{
switch (dp->pos) {
case (TBL_DATA_HORIZ):
case (TBL_DATA_NHORIZ):
- tbl_char(tp, '-', width);
+ tbl_char(tp, '-', tblp->width);
break;
case (TBL_DATA_DHORIZ):
case (TBL_DATA_NDHORIZ):
- tbl_char(tp, '=', width);
+ tbl_char(tp, '=', tblp->width);
break;
default:
break;
}
static void
-tbl_data_literal(struct termp *tp, const struct tbl_dat *dp, int width)
+tbl_data_literal(struct termp *tp,
+ const struct tbl_dat *dp,
+ const struct termp_tbl *tblp)
{
- int padl, padr;
+ int padl, padr, ssz;
enum tbl_cellt pos;
padl = padr = 0;
pos = dp->layout ? dp->layout->pos : TBL_CELL_LEFT;
+ ssz = term_len(tp, 1);
switch (pos) {
case (TBL_CELL_LONG):
- padl = 1;
- padr = width - (int)strlen(dp->string) - 1;
+ padl = ssz;
+ padr = tblp->width - term_strlen(tp, dp->string) - ssz;
break;
case (TBL_CELL_CENTRE):
- padl = width - (int)strlen(dp->string);
+ padl = tblp->width - term_strlen(tp, dp->string);
if (padl % 2)
padr++;
padl /= 2;
padr += padl;
break;
case (TBL_CELL_RIGHT):
- padl = width - (int)strlen(dp->string);
+ padl = tblp->width - term_strlen(tp, dp->string);
break;
default:
- padr = width - (int)strlen(dp->string);
+ padr = tblp->width - term_strlen(tp, dp->string);
break;
}
static void
tbl_data_number(struct termp *tp, const struct tbl *tbl,
- const struct tbl_dat *dp, int width)
+ const struct tbl_dat *dp,
+ const struct termp_tbl *tblp)
{
- char *decp, pnt;
- int d, padl, sz;
+ char *decp, buf[2];
+ int d, padl, sz, psz, ssz, i;
/*
* See calc_data_number(). Left-pad by taking the offset of our
* and the maximum decimal; right-pad by the remaining amount.
*/
- sz = (int)strlen(dp->string);
- pnt = tbl->decimal;
+ sz = term_strlen(tp, dp->string);
+ psz = term_strlen(tp, ".");
- if (NULL == (decp = strchr(dp->string, pnt))) {
- d = sz + 1;
- } else {
- d = (int)(decp - dp->string) + 1;
- }
+ if (NULL != (decp = strchr(dp->string, tbl->decimal))) {
+ buf[1] = '\0';
+ for (ssz = i = 0; decp != &dp->string[i]; i++) {
+ buf[0] = dp->string[i];
+ ssz += term_strlen(tp, buf);
+ }
+ d = ssz + psz;
+ } else
+ d = sz + psz;
- assert(d <= dp->layout->head->decimal);
- assert(sz - d <= dp->layout->head->width -
- dp->layout->head->decimal);
+ assert(d <= tblp->decimal);
+ assert(sz - d <= tblp->width - tblp->decimal);
- padl = dp->layout->head->decimal - d + 1;
- assert(width - sz - padl);
+ padl = tblp->decimal - d + term_len(tp, 1);
+ assert(tblp->width - sz - padl);
tbl_char(tp, ASCII_NBRSP, padl);
term_word(tp, dp->string);
- tbl_char(tp, ASCII_NBRSP, width - sz - padl);
+ tbl_char(tp, ASCII_NBRSP, tblp->width - sz - padl);
+}
+
+static void
+tbl_calc(struct termp *tp, const struct tbl_span *sp)
+{
+ const struct tbl_dat *dp;
+ const struct tbl_head *hp;
+ struct termp_tbl *p;
+
+ /* Calculate width as the max of column cells' widths. */
+
+ hp = sp->head;
+
+ for ( ; sp; sp = sp->next) {
+ switch (sp->pos) {
+ case (TBL_DATA_HORIZ):
+ /* FALLTHROUGH */
+ case (TBL_DATA_DHORIZ):
+ continue;
+ default:
+ break;
+ }
+ for (dp = sp->first; dp; dp = dp->next) {
+ if (NULL == dp->layout)
+ continue;
+ p = &tp->tbl[dp->layout->head->ident];
+ tbl_calc_data(tp, sp->tbl, dp, p);
+ }
+ }
+
+ /* Calculate width as the simple spanner value. */
+
+ for ( ; hp; hp = hp->next)
+ switch (hp->pos) {
+ case (TBL_HEAD_VERT):
+ tp->tbl[hp->ident].width = term_len(tp, 1);
+ break;
+ case (TBL_HEAD_DVERT):
+ tp->tbl[hp->ident].width = term_len(tp, 2);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+tbl_calc_data(struct termp *tp, const struct tbl *tbl,
+ const struct tbl_dat *dp, struct termp_tbl *tblp)
+{
+
+ /* Branch down into data sub-types. */
+
+ switch (dp->layout->pos) {
+ case (TBL_CELL_HORIZ):
+ /* FALLTHROUGH */
+ case (TBL_CELL_DHORIZ):
+ tblp->width = 1;
+ break;
+ case (TBL_CELL_LONG):
+ /* FALLTHROUGH */
+ case (TBL_CELL_CENTRE):
+ /* FALLTHROUGH */
+ case (TBL_CELL_LEFT):
+ /* FALLTHROUGH */
+ case (TBL_CELL_RIGHT):
+ tbl_calc_data_literal(tp, dp, tblp);
+ break;
+ case (TBL_CELL_NUMBER):
+ tbl_calc_data_number(tp, tbl, dp, tblp);
+ break;
+ default:
+ abort();
+ /* NOTREACHED */
+ }
+}
+
+static void
+tbl_calc_data_number(struct termp *tp, const struct tbl *tbl,
+ const struct tbl_dat *dp, struct termp_tbl *tblp)
+{
+ int sz, d, psz, i, ssz;
+ char *cp, 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.
+ */
+
+ /* TODO: use spacing modifier. */
+
+ assert(dp->string);
+ sz = term_strlen(tp, dp->string);
+ psz = term_strlen(tp, ".");
+
+ if (NULL != (cp = strchr(dp->string, tbl->decimal))) {
+ buf[1] = '\0';
+ for (ssz = i = 0; cp != &dp->string[i]; i++) {
+ buf[0] = dp->string[i];
+ ssz += term_strlen(tp, buf);
+ }
+ d = ssz + psz;
+ } else
+ d = sz + psz;
+
+ sz += term_len(tp, 2);
+
+ if (tblp->decimal > d) {
+ sz += tblp->decimal - d;
+ d = tblp->decimal;
+ } else
+ tblp->width += d - tblp->decimal;
+
+ if (sz > tblp->width)
+ tblp->width = sz;
+ if (d > tblp->decimal)
+ tblp->decimal = d;
+}
+
+static void
+tbl_calc_data_literal(struct termp *tp,
+ const struct tbl_dat *dp,
+ struct termp_tbl *tblp)
+{
+ int sz, bufsz;
+
+ /*
+ * 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).
+ */
+
+ assert(dp->string);
+ sz = term_strlen(tp, dp->string);
+
+ switch (dp->layout->pos) {
+ case (TBL_CELL_LONG):
+ /* FALLTHROUGH */
+ case (TBL_CELL_CENTRE):
+ bufsz = 2;
+ break;
+ default:
+ bufsz = 1;
+ break;
+ }
+
+ if (dp->layout->spacing)
+ bufsz = bufsz > dp->layout->spacing ?
+ bufsz : dp->layout->spacing;
+
+ sz += bufsz;
+ if (tblp->width < sz)
+ tblp->width = sz;
}