#include "output/table-provider.h"
#include <assert.h>
+#include <inttypes.h>
#include <stdlib.h>
+#include "data/format.h"
+#include "libpspp/assertion.h"
#include "libpspp/cast.h"
#include "libpspp/compiler.h"
+#include "libpspp/pool.h"
#include "libpspp/str.h"
-#include "output/table-item.h"
+#include "output/output-item.h"
+#include "output/pivot-table.h"
+#include "output/table.h"
#include "gl/xalloc.h"
+/* This file uses TABLE_HORZ and TABLE_VERT enough to warrant abbreviating. */
+#define H TABLE_HORZ
+#define V TABLE_VERT
+
/* Increases TABLE's reference count, indicating that it has an additional
owner. An table that is shared among multiple owners must not be
modified. */
{
assert (table->ref_cnt > 0);
if (--table->ref_cnt == 0)
- table->klass->destroy (table);
+ pool_destroy (table->container);
}
}
{
return table->ref_cnt > 1;
}
+\f
+struct table_area_style *
+table_area_style_clone (struct pool *pool, const struct table_area_style *old)
+{
+ struct table_area_style *new = pool_malloc (pool, sizeof *new);
+ *new = *old;
+ if (new->font_style.typeface)
+ new->font_style.typeface = pool_strdup (pool, new->font_style.typeface);
+ return new;
+}
-/* Sets the number of left header columns in TABLE to HL. */
void
-table_set_hl (struct table *table, int hl)
+table_area_style_free (struct table_area_style *style)
{
- assert (!table_is_shared (table));
- table->h[TABLE_HORZ][0] = hl;
+ if (style)
+ {
+ free (style->font_style.typeface);
+ free (style);
+ }
+}
+\f
+const char *
+table_halign_to_string (enum table_halign halign)
+{
+ switch (halign)
+ {
+ case TABLE_HALIGN_LEFT: return "left";
+ case TABLE_HALIGN_CENTER: return "center";
+ case TABLE_HALIGN_RIGHT: return "right";
+ case TABLE_HALIGN_DECIMAL: return "decimal";
+ case TABLE_HALIGN_MIXED: return "mixed";
+ default: return "**error**";
+ }
}
-/* Sets the number of right header columns in TABLE to HR. */
-void
-table_set_hr (struct table *table, int hr)
+const char *
+table_valign_to_string (enum table_valign valign)
{
- assert (!table_is_shared (table));
- table->h[TABLE_HORZ][1] = hr;
+ switch (valign)
+ {
+ case TABLE_VALIGN_TOP: return "top";
+ case TABLE_VALIGN_CENTER: return "center";
+ case TABLE_VALIGN_BOTTOM: return "bottom";
+ default: return "**error**";
+ }
}
-/* Sets the number of top header rows in TABLE to HT. */
-void
-table_set_ht (struct table *table, int ht)
+enum table_halign
+table_halign_interpret (enum table_halign halign, bool numeric)
{
- assert (!table_is_shared (table));
- table->h[TABLE_VERT][0] = ht;
+ switch (halign)
+ {
+ case TABLE_HALIGN_LEFT:
+ case TABLE_HALIGN_CENTER:
+ case TABLE_HALIGN_RIGHT:
+ return halign;
+
+ case TABLE_HALIGN_MIXED:
+ return numeric ? TABLE_HALIGN_RIGHT : TABLE_HALIGN_LEFT;
+
+ case TABLE_HALIGN_DECIMAL:
+ return TABLE_HALIGN_DECIMAL;
+
+ default:
+ NOT_REACHED ();
+ }
}
-/* Sets the number of top header rows in TABLE to HB. */
void
-table_set_hb (struct table *table, int hb)
+font_style_copy (struct pool *container,
+ struct font_style *dst, const struct font_style *src)
{
- assert (!table_is_shared (table));
- table->h[TABLE_VERT][1] = hb;
+ *dst = *src;
+ if (dst->typeface)
+ dst->typeface = pool_strdup (container, dst->typeface);
}
-\f
-/* Initializes TABLE as a table of the specified CLASS, initially with a
- reference count of 1.
- TABLE initially has 0 rows and columns and no headers. The table
- implementation should update the numbers of rows and columns. The table
- implementation (or its client) may update the header rows and columns.
-
- A table is an abstract class, that is, a plain struct table is not useful on
- its own. Thus, this function is normally called from the initialization
- function of some subclass of table. */
void
-table_init (struct table *table, const struct table_class *class)
+font_style_uninit (struct font_style *font)
{
- table->klass = class;
- table->n[TABLE_HORZ] = table->n[TABLE_VERT] = 0;
- table->h[TABLE_HORZ][0] = table->h[TABLE_HORZ][1] = 0;
- table->h[TABLE_VERT][0] = table->h[TABLE_VERT][1] = 0;
- table->ref_cnt = 1;
+ if (font)
+ free (font->typeface);
}
-/* Sets the number of columns in TABLE to NC. */
void
-table_set_nc (struct table *table, int nc)
+table_area_style_copy (struct pool *container, struct table_area_style *dst,
+ const struct table_area_style *src)
{
- assert (!table_is_shared (table));
- table->n[TABLE_HORZ] = nc;
+ font_style_copy (container, &dst->font_style, &src->font_style);
+ dst->cell_style = src->cell_style;
}
-/* Sets the number of rows in TABLE to NR. */
void
-table_set_nr (struct table *table, int nr)
+table_area_style_uninit (struct table_area_style *area)
{
- assert (!table_is_shared (table));
- table->n[TABLE_VERT] = nr;
+ if (area)
+ font_style_uninit (&area->font_style);
+}
+
+const char *
+table_stroke_to_string (enum table_stroke stroke)
+{
+ switch (stroke)
+ {
+ case TABLE_STROKE_NONE: return "none";
+ case TABLE_STROKE_SOLID: return "solid";
+ case TABLE_STROKE_DASHED: return "dashed";
+ case TABLE_STROKE_THICK: return "thick";
+ case TABLE_STROKE_THIN: return "thin";
+ case TABLE_STROKE_DOUBLE: return "double";
+ default:
+ return "**error**";
+ }
}
-\f
-/* Initializes CELL with the contents of the table cell at column X and row Y
- within TABLE. When CELL is no longer needed, the caller is responsible for
- freeing it by calling table_cell_free(CELL).
- The caller must ensure that CELL is destroyed before TABLE is unref'ed. */
void
-table_get_cell (const struct table *table, int x, int y,
- struct table_cell *cell)
+cell_color_dump (const struct cell_color *c)
{
- assert (x >= 0 && x < table->n[TABLE_HORZ]);
- assert (y >= 0 && y < table->n[TABLE_VERT]);
+ if (c->alpha != 255)
+ printf ("rgba(%d, %d, %d, %d)", c->r, c->g, c->b, c->alpha);
+ else
+ printf ("#%02"PRIx8"%02"PRIx8"%02"PRIx8, c->r, c->g, c->b);
+}
- static const struct cell_style default_style =
+void
+font_style_dump (const struct font_style *f)
+{
+ printf ("%s %dpx ", f->typeface, f->size);
+ cell_color_dump (&f->fg[0]);
+ putchar ('/');
+ cell_color_dump (&f->bg[0]);
+ if (!cell_color_equal (&f->fg[0], &f->fg[1])
+ || !cell_color_equal (&f->bg[0], &f->bg[1]))
{
- .fg = { 0, 0, 0 },
- .bg = { 255, 255, 255 },
- };
- cell->style = &default_style;
+ printf (" alt=");
+ cell_color_dump (&f->fg[1]);
+ putchar ('/');
+ cell_color_dump (&f->bg[1]);
+ }
+ if (f->bold)
+ fputs (" bold", stdout);
+ if (f->italic)
+ fputs (" italic", stdout);
+ if (f->underline)
+ fputs (" underline", stdout);
+}
- table->klass->get_cell (table, x, y, cell);
+bool
+font_style_equal (const struct font_style *a, const struct font_style *b)
+{
+ return (a->bold == b->bold
+ && a->italic == b->italic
+ && a->underline == b->underline
+ && a->markup == b->markup
+ && cell_color_equal (&a->fg[0], &b->fg[0])
+ && cell_color_equal (&a->fg[1], &b->fg[1])
+ && cell_color_equal (&a->bg[0], &b->bg[0])
+ && cell_color_equal (&a->bg[1], &b->bg[1])
+ && !strcmp (a->typeface ? a->typeface : "",
+ b->typeface ? b->typeface : "")
+ && a->size == b->size);
}
-/* Frees CELL, which should have been initialized by calling
- table_get_cell(). */
void
-table_cell_free (struct table_cell *cell)
+cell_style_dump (const struct cell_style *c)
{
- if (cell->destructor != NULL)
- cell->destructor (cell->destructor_aux);
+ fputs (table_halign_to_string (c->halign), stdout);
+ if (c->halign == TABLE_HALIGN_DECIMAL)
+ printf ("(%.2gpx)", c->decimal_offset);
+ printf (" %s", table_valign_to_string (c->valign));
+ printf (" %d,%d,%d,%dpx",
+ c->margin[TABLE_HORZ][0], c->margin[TABLE_HORZ][1],
+ c->margin[TABLE_VERT][0], c->margin[TABLE_VERT][1]);
}
+\f
-/* Returns one of the TAL_* enumeration constants (declared in output/table.h)
- representing a rule running alongside one of the cells in TABLE.
+static const bool debugging = true;
- Suppose NC is the number of columns in TABLE and NR is the number of rows.
- Then, if AXIS is TABLE_HORZ, then 0 <= X <= NC and 0 <= Y < NR. If (X,Y) =
- (0,0), the return value is the rule that runs vertically on the left side of
- cell (0,0); if (X,Y) = (1,0), it is the vertical rule between that cell and
- cell (1,0); and so on, up to (NC,0), which runs vertically on the right of
- cell (NC-1,0).
+/* Creates and returns a new table with NC columns and NR rows and initially no
+ header rows or columns.
- The following diagram illustrates the meaning of (X,Y) for AXIS = TABLE_HORZ
- within a 7x7 table. The '|' characters at the intersection of the X labels
- and Y labels show the rule whose style would be returned by calling
- table_get_rule with those X and Y values:
-
- 0 1 2 3 4 5 6 7
- +--+--+--+--+--+--+--+
- 0 | | | | | | | |
- +--+--+--+--+--+--+--+
- 1 | | | | | | | |
- +--+--+--+--+--+--+--+
- 2 | | | | | | | |
- +--+--+--+--+--+--+--+
- 3 | | | | | | | |
- +--+--+--+--+--+--+--+
- 4 | | | | | | | |
- +--+--+--+--+--+--+--+
- 5 | | | | | | | |
- +--+--+--+--+--+--+--+
- 6 | | | | | | | |
- +--+--+--+--+--+--+--+
+ Sets the number of header rows on each side of TABLE to HL on the
+ left, HR on the right, HT on the top, HB on the bottom. Header rows
+ are repeated when a table is broken across multiple columns or
+ multiple pages.
- Similarly, if AXIS is TABLE_VERT, then 0 <= X < NC and 0 <= Y <= NR. If
- (X,Y) = (0,0), the return value is the rule that runs horizontally above
- the top of cell (0,0); if (X,Y) = (0,1), it is the horizontal rule
- between that cell and cell (0,1); and so on, up to (0,NR), which runs
- horizontally below cell (0,NR-1). */
-int
-table_get_rule (const struct table *table, enum table_axis axis, int x, int y)
+ The table's cells are initially empty. */
+struct table *
+table_create (int nc, int nr, int hl, int hr, int ht, int hb)
{
- assert (x >= 0 && x < table->n[TABLE_HORZ] + (axis == TABLE_HORZ));
- assert (y >= 0 && y < table->n[TABLE_VERT] + (axis == TABLE_VERT));
- return table->klass->get_rule (table, axis, x, y);
+ struct table *t;
+
+ t = pool_create_container (struct table, container);
+ t->n[TABLE_HORZ] = nc;
+ t->n[TABLE_VERT] = nr;
+ t->h[TABLE_HORZ][0] = hl;
+ t->h[TABLE_HORZ][1] = hr;
+ t->h[TABLE_VERT][0] = ht;
+ t->h[TABLE_VERT][1] = hb;
+ t->ref_cnt = 1;
+
+ t->cc = pool_calloc (t->container, nr * nc, sizeof *t->cc);
+ t->ct = pool_calloc (t->container, nr * nc, sizeof *t->ct);
+
+ t->rh = pool_nmalloc (t->container, nc, nr + 1);
+ memset (t->rh, TABLE_STROKE_NONE, nc * (nr + 1));
+
+ t->rv = pool_nmalloc (t->container, nr, nc + 1);
+ memset (t->rv, TABLE_STROKE_NONE, nr * (nc + 1));
+
+ memset (t->styles, 0, sizeof t->styles);
+ memset (t->rule_colors, 0, sizeof t->rule_colors);
+
+ return t;
}
+\f
+/* Rules. */
+/* Draws a vertical line to the left of cells at horizontal position X
+ from Y1 to Y2 inclusive in style STYLE, if style is not -1. */
void
-cell_contents_format_footnote_markers (const struct cell_contents *c,
- struct string *s)
+table_vline (struct table *t, int style, int x, int y1, int y2)
{
- for (size_t i = 0; i < c->n_footnotes; i++)
+ if (debugging)
+ {
+ if (x < 0 || x > t->n[H]
+ || y1 < 0 || y1 >= t->n[V]
+ || y2 < 0 || y2 >= t->n[V])
+ {
+ printf ("bad vline: x=%d y=(%d,%d) in table size (%d,%d)\n",
+ x, y1, y2, t->n[H], t->n[V]);
+ return;
+ }
+ }
+
+ assert (x >= 0);
+ assert (x <= t->n[H]);
+ assert (y1 >= 0);
+ assert (y2 >= y1);
+ assert (y2 <= t->n[V]);
+
+ if (style != -1)
{
- if (i)
- ds_put_byte (s, ',');
- ds_put_cstr (s, c->footnotes[i]->marker);
+ int y;
+ for (y = y1; y <= y2; y++)
+ t->rv[x + (t->n[H] + 1) * y] = style;
}
}
-static const struct footnote **
-add_footnotes (const struct footnote **refs, size_t n_refs,
- const struct footnote **footnotes, size_t *allocated, size_t *n)
+/* Draws a horizontal line above cells at vertical position Y from X1
+ to X2 inclusive in style STYLE, if style is not -1. */
+void
+table_hline (struct table *t, int style, int x1, int x2, int y)
{
- for (size_t i = 0; i < n_refs; i++)
+ if (debugging)
{
- const struct footnote *f = refs[i];
- if (f->idx >= *allocated)
+ if (y < 0 || y > t->n[V]
+ || x1 < 0 || x1 >= t->n[H]
+ || x2 < 0 || x2 >= t->n[H])
{
- size_t new_allocated = (f->idx + 1) * 2;
- footnotes = xrealloc (footnotes, new_allocated * sizeof *footnotes);
- while (*allocated < new_allocated)
- footnotes[(*allocated)++] = NULL;
+ printf ("bad hline: x=(%d,%d) y=%d in table size (%d,%d)\n",
+ x1, x2, y, t->n[H], t->n[V]);
+ return;
}
- footnotes[f->idx] = f;
- if (f->idx >= *n)
- *n = f->idx + 1;
}
- return footnotes;
+
+ assert (y >= 0);
+ assert (y <= t->n[V]);
+ assert (x2 >= x1);
+ assert (x1 >= 0);
+ assert (x2 < t->n[H]);
+
+ if (style != -1)
+ {
+ int x;
+ for (x = x1; x <= x2; x++)
+ t->rh[x + t->n[H] * y] = style;
+ }
}
-size_t
-table_collect_footnotes (const struct table_item *item,
- const struct footnote ***footnotesp)
+/* Draws a box around cells (X1,Y1)-(X2,Y2) inclusive with horizontal
+ lines of style F_H and vertical lines of style F_V. Fills the
+ interior of the box with horizontal lines of style I_H and vertical
+ lines of style I_V. Any of the line styles may be -1 to avoid
+ drawing those lines. This is distinct from 0, which draws a null
+ line. */
+void
+table_box (struct table *t, int f_h, int f_v, int i_h, int i_v,
+ int x1, int y1, int x2, int y2)
{
- const struct footnote **footnotes = NULL;
- size_t allocated = 0;
- size_t n = 0;
-
- struct table *t = item->table;
- for (int y = 0; y < table_nr (t); y++)
+ if (debugging)
{
- struct table_cell cell;
- for (int x = 0; x < table_nc (t); x = cell.d[TABLE_HORZ][1])
+ if (x1 < 0 || x1 >= t->n[H]
+ || x2 < 0 || x2 >= t->n[H]
+ || y1 < 0 || y1 >= t->n[V]
+ || y2 < 0 || y2 >= t->n[V])
{
- table_get_cell (t, x, y, &cell);
-
- if (x == cell.d[TABLE_HORZ][0] && y == cell.d[TABLE_VERT][0])
- for (size_t i = 0; i < cell.n_contents; i++)
- {
- const struct cell_contents *c = &cell.contents[i];
- footnotes = add_footnotes (c->footnotes, c->n_footnotes,
- footnotes, &allocated, &n);
- }
- table_cell_free (&cell);
+ printf ("bad box: (%d,%d)-(%d,%d) in table size (%d,%d)\n",
+ x1, y1, x2, y2, t->n[H], t->n[V]);
+ NOT_REACHED ();
}
}
- const struct table_item_text *title = table_item_get_title (item);
- if (title)
- footnotes = add_footnotes (title->footnotes, title->n_footnotes,
- footnotes, &allocated, &n);
+ assert (x2 >= x1);
+ assert (y2 >= y1);
+ assert (x1 >= 0);
+ assert (y1 >= 0);
+ assert (x2 < t->n[H]);
+ assert (y2 < t->n[V]);
- const struct table_item_text *caption = table_item_get_caption (item);
- if (caption)
- footnotes = add_footnotes (caption->footnotes, caption->n_footnotes,
- footnotes, &allocated, &n);
+ if (f_h != -1)
+ {
+ int x;
+ for (x = x1; x <= x2; x++)
+ {
+ t->rh[x + t->n[H] * y1] = f_h;
+ t->rh[x + t->n[H] * (y2 + 1)] = f_h;
+ }
+ }
+ if (f_v != -1)
+ {
+ int y;
+ for (y = y1; y <= y2; y++)
+ {
+ t->rv[x1 + (t->n[H] + 1) * y] = f_v;
+ t->rv[(x2 + 1) + (t->n[H] + 1) * y] = f_v;
+ }
+ }
- *footnotesp = footnotes;
- return n;
-}
-\f
-struct table_unshared
- {
- struct table table;
- struct table *subtable;
- };
+ if (i_h != -1)
+ {
+ int y;
-static const struct table_class table_unshared_class;
+ for (y = y1 + 1; y <= y2; y++)
+ {
+ int x;
-/* Takes ownership of TABLE and returns a table with the same contents but
- which is guaranteed not to be shared (as returned by table_is_shared()).
+ for (x = x1; x <= x2; x++)
+ t->rh[x + t->n[H] * y] = i_h;
+ }
+ }
+ if (i_v != -1)
+ {
+ int x;
- If TABLE is unshared, just returns TABLE.
+ for (x = x1 + 1; x <= x2; x++)
+ {
+ int y;
- The only real use for this function is to create a copy of TABLE in which
- the headers can be adjusted, which is a pretty specialized use case. */
-struct table *
-table_unshare (struct table *table)
-{
- if (!table_is_shared (table))
- return table;
- else
- {
- struct table_unshared *tiu = xmalloc (sizeof *tiu);
- table_init (&tiu->table, &table_unshared_class);
- table_set_nc (&tiu->table, table_nc (table));
- table_set_nr (&tiu->table, table_nr (table));
- table_set_hl (&tiu->table, table_hl (table));
- table_set_hr (&tiu->table, table_hr (table));
- table_set_ht (&tiu->table, table_ht (table));
- table_set_hb (&tiu->table, table_hb (table));
- tiu->subtable = table;
- return &tiu->table;
+ for (y = y1; y <= y2; y++)
+ t->rv[x + (t->n[H] + 1) * y] = i_v;
+ }
}
}
+\f
+/* Cells. */
-static struct table_unshared *
-table_unshared_cast (const struct table *table)
+/* Fill TABLE cells (X1,X2)-(Y1,Y2), inclusive, with VALUE and OPT. */
+void
+table_put (struct table *table, int x1, int y1, int x2, int y2,
+ unsigned opt, const struct pivot_value *value)
{
- assert (table->klass == &table_unshared_class);
- return UP_CAST (table, struct table_unshared, table);
+ assert (0 <= x1 && x1 <= x2 && x2 < table->n[H]);
+ assert (0 <= y1 && y1 <= y2 && y2 < table->n[V]);
+
+ if (x1 == x2 && y1 == y2)
+ {
+ table->cc[x1 + y1 * table->n[H]] = CONST_CAST (struct pivot_value *, value);
+ table->ct[x1 + y1 * table->n[H]] = opt;
+ }
+ else
+ {
+ table_box (table, -1, -1, TABLE_STROKE_NONE, TABLE_STROKE_NONE,
+ x1, y1, x2, y2);
+
+ struct table_cell *cell = pool_alloc (table->container, sizeof *cell);
+ *cell = (struct table_cell) {
+ .d = { [H] = { x1, x2 + 1 }, [V] = { y1, y2 + 1 } },
+ .options = opt,
+ .value = value,
+ };
+
+ for (int y = y1; y <= y2; y++)
+ {
+ size_t ofs = x1 + y * table->n[H];
+ void **cc = &table->cc[ofs];
+ unsigned short *ct = &table->ct[ofs];
+ for (int x = x1; x <= x2; x++)
+ {
+ *cc++ = cell;
+ *ct++ = opt | TAB_JOIN;
+ }
+ }
+ }
}
static void
-table_unshared_destroy (struct table *tiu_)
+free_value (void *value_)
{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- table_unref (tiu->subtable);
- free (tiu);
+ struct pivot_value *value = value_;
+ pivot_value_destroy (value);
}
-static void
-table_unshared_get_cell (const struct table *tiu_, int x, int y,
- struct table_cell *cell)
+void
+table_put_owned (struct table *table, int x1, int y1, int x2, int y2,
+ unsigned opt, struct pivot_value *value)
{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- table_get_cell (tiu->subtable, x, y, cell);
+ table_put (table, x1, y1, x2, y2, opt, value);
+ pool_register (table->container, free_value, value);
}
-static int
-table_unshared_get_rule (const struct table *tiu_,
- enum table_axis axis, int x, int y)
+/* Returns true if column C, row R has no contents, otherwise false. */
+bool
+table_cell_is_empty (const struct table *table, int c, int r)
{
- struct table_unshared *tiu = table_unshared_cast (tiu_);
- return table_get_rule (tiu->subtable, axis, x, y);
+ return table->cc[c + r * table->n[H]] == NULL;
}
-
-static const struct table_class table_unshared_class =
- {
- table_unshared_destroy,
- table_unshared_get_cell,
- table_unshared_get_rule,
- NULL, /* paste */
- NULL, /* select */
- };
\f
-struct table_string
- {
- struct table table;
- char *string;
- unsigned int options;
+/* Initializes CELL with the contents of the table cell at column X and row Y
+ within TABLE. */
+void
+table_get_cell (const struct table *t, int x, int y, struct table_cell *cell)
+{
+ assert (x >= 0 && x < t->n[TABLE_HORZ]);
+ assert (y >= 0 && y < t->n[TABLE_VERT]);
+
+ int index = x + y * t->n[H];
+ unsigned short opt = t->ct[index];
+ const void *cc = t->cc[index];
+
+ struct table_area_style *style
+ = t->styles[(opt & TAB_STYLE_MASK) >> TAB_STYLE_SHIFT];
+
+ static const struct pivot_value empty_value = {
+ .text = {
+ .type = PIVOT_VALUE_TEXT,
+ .local = (char *) "",
+ .c = (char *) "",
+ .id = (char *) "",
+ .user_provided = true,
+ },
};
-static const struct table_class table_string_class;
+ if (opt & TAB_JOIN)
+ {
+ const struct table_cell *jc = cc;
+ *cell = *jc;
+ if (!cell->value)
+ cell->value = &empty_value;
+ if (!cell->font_style)
+ cell->font_style = &style->font_style;
+ if (!cell->cell_style)
+ cell->cell_style = &style->cell_style;
+ }
+ else
+ {
+ const struct pivot_value *v = cc ? cc : &empty_value;
+ const struct pivot_value_ex *ex = pivot_value_ex (v);
+ *cell = (struct table_cell) {
+ .d = { [H] = { x, x + 1 }, [V] = { y, y + 1 } },
+ .options = opt,
+ .value = v,
+ .font_style = ex->font_style ? ex->font_style : &style->font_style,
+ .cell_style = ex->cell_style ? ex->cell_style : &style->cell_style,
+ };
+ }
-/* Returns a table that contains a single cell, whose contents are S with
- options OPTIONS (a combination of TAB_* values). */
-struct table *
-table_from_string (unsigned int options, const char *s)
-{
- struct table_string *ts = xmalloc (sizeof *ts);
- table_init (&ts->table, &table_string_class);
- ts->table.n[TABLE_HORZ] = ts->table.n[TABLE_VERT] = 1;
- ts->string = xstrdup (s);
- ts->options = options;
- return &ts->table;
+ assert (cell->font_style);
+ assert (cell->cell_style);
}
-static struct table_string *
-table_string_cast (const struct table *table)
-{
- assert (table->klass == &table_string_class);
- return UP_CAST (table, struct table_string, table);
-}
+/* Returns one of the TAL_* enumeration constants (declared in output/table.h)
+ representing a rule running alongside one of the cells in TABLE.
-static void
-table_string_destroy (struct table *ts_)
-{
- struct table_string *ts = table_string_cast (ts_);
- free (ts->string);
- free (ts);
-}
+ Suppose NC is the number of columns in TABLE and NR is the number of rows.
+ Then, if AXIS is TABLE_HORZ, then 0 <= X <= NC and 0 <= Y < NR. If (X,Y) =
+ (0,0), the return value is the rule that runs vertically on the left side of
+ cell (0,0); if (X,Y) = (1,0), it is the vertical rule between that cell and
+ cell (1,0); and so on, up to (NC,0), which runs vertically on the right of
+ cell (NC-1,0).
-static void
-table_string_get_cell (const struct table *ts_, int x UNUSED, int y UNUSED,
- struct table_cell *cell)
-{
- struct table_string *ts = table_string_cast (ts_);
- cell->d[TABLE_HORZ][0] = 0;
- cell->d[TABLE_HORZ][1] = 1;
- cell->d[TABLE_VERT][0] = 0;
- cell->d[TABLE_VERT][1] = 1;
- cell->contents = &cell->inline_contents;
- cell->inline_contents.options = ts->options;
- cell->inline_contents.text = ts->string;
- cell->inline_contents.n_footnotes = 0;
- cell->n_contents = 1;
- cell->destructor = NULL;
-}
+ The following diagram illustrates the meaning of (X,Y) for AXIS = TABLE_HORZ
+ within a 7x7 table. The '|' characters at the intersection of the X labels
+ and Y labels show the rule whose style would be returned by calling
+ table_get_rule with those X and Y values:
+ 0 1 2 3 4 5 6 7
+ +--+--+--+--+--+--+--+
+ 0 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 1 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 2 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 3 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 4 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 5 | | | | | | | |
+ +--+--+--+--+--+--+--+
+ 6 | | | | | | | |
+ +--+--+--+--+--+--+--+
-static int
-table_string_get_rule (const struct table *ts UNUSED,
- enum table_axis axis UNUSED, int x UNUSED, int y UNUSED)
+ Similarly, if AXIS is TABLE_VERT, then 0 <= X < NC and 0 <= Y <= NR. If
+ (X,Y) = (0,0), the return value is the rule that runs horizontally above
+ the top of cell (0,0); if (X,Y) = (0,1), it is the horizontal rule
+ between that cell and cell (0,1); and so on, up to (0,NR), which runs
+ horizontally below cell (0,NR-1). */
+int
+table_get_rule (const struct table *table, enum table_axis axis, int x, int y,
+ struct cell_color *color)
{
- return TAL_0;
-}
+ assert (x >= 0 && x < table->n[TABLE_HORZ] + (axis == TABLE_HORZ));
+ assert (y >= 0 && y < table->n[TABLE_VERT] + (axis == TABLE_VERT));
-static const struct table_class table_string_class =
- {
- table_string_destroy,
- table_string_get_cell,
- table_string_get_rule,
- NULL, /* paste */
- NULL, /* select */
- };
+ uint8_t raw = (axis == TABLE_VERT
+ ? table->rh[x + table->n[H] * y]
+ : table->rv[x + (table->n[H] + 1) * y]);
+ struct cell_color *p = table->rule_colors[(raw & TAB_RULE_STYLE_MASK)
+ >> TAB_RULE_STYLE_SHIFT];
+ *color = p ? *p : (struct cell_color) CELL_COLOR_BLACK;
+ return (raw & TAB_RULE_TYPE_MASK) >> TAB_RULE_TYPE_SHIFT;
+}