#include <data/settings.h>
#include <libpspp/assertion.h>
#include <libpspp/compiler.h>
-#include <libpspp/pool.h>
#include <libpspp/start-date.h>
+#include <libpspp/string-map.h>
#include <libpspp/version.h>
-#include <output/chart-provider.h>
-#include <output/chart.h>
-#include <output/output.h>
+#include <output/cairo.h>
+#include <output/chart-item-provider.h>
+#include "output/options.h"
+#include <output/tab.h>
+#include <output/text-item.h>
+#include <output/driver-provider.h>
+#include <output/render.h>
+#include <output/table-item.h>
#include "error.h"
#include "minmax.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
-/* ASCII driver options: (defaults listed first)
-
- output-file="pspp.list"
- append=no|yes If output-file exists, append to it?
- chart-files="pspp-#.png" Name used for charts.
- chart-type=png|none
-
- paginate=on|off Formfeeds are desired?
- tab-width=8 Width of a tab; 0 to not use tabs.
-
- headers=on|off Put headers at top of page?
- emphasis=bold|underline|none Style to use for emphasis.
- length=66|auto
- width=79|auto
- squeeze=off|on Squeeze multiple newlines into exactly one.
-
- top-margin=2
- bottom-margin=2
-
- box[x]="strng" Sets box character X (X in base 4: 0-3333).
- init="string" Set initialization string.
- */
-
-/* Disable messages by failed range checks. */
-/*#define SUPPRESS_WARNINGS 1 */
+/* This file uses TABLE_HORZ and TABLE_VERT enough to warrant abbreviating. */
+#define H TABLE_HORZ
+#define V TABLE_VERT
/* Line styles bit shifts. */
enum
LNS_COUNT = 256
};
+static inline int
+make_box_index (int left, int right, int top, int bottom)
+{
+ return ((left << LNS_LEFT) | (right << LNS_RIGHT)
+ | (top << LNS_TOP) | (bottom << LNS_BOTTOM));
+}
+
/* Character attributes. */
#define ATTR_EMPHASIS 0x100 /* Bold-face. */
#define ATTR_BOX 0x200 /* Line drawing character. */
/* A line of text. */
-struct line
+struct ascii_line
{
unsigned short *chars; /* Characters and attributes. */
- int char_cnt; /* Length. */
- int char_cap; /* Allocated bytes. */
+ int n_chars; /* Length. */
+ int allocated_chars; /* Allocated "chars" elements. */
};
/* How to emphasize text. */
EMPH_NONE /* No emphasis. */
};
-/* ASCII output driver extension record. */
-struct ascii_driver_ext
+/* ASCII output driver. */
+struct ascii_driver
{
- struct pool *pool;
+ struct output_driver driver;
/* User parameters. */
bool append; /* Append if output-file already exists? */
bool squeeze_blank_lines; /* Squeeze multiple blank lines into one? */
enum emphasis_style emphasis; /* How to emphasize text. */
int tab_width; /* Width of a tab; 0 not to use tabs. */
- bool enable_charts; /* Enable charts? */
- const char *chart_file_name; /* Name of files used for charts. */
+ char *chart_file_name; /* Name of files used for charts. */
+ int width; /* Page width. */
+ int length; /* Page length minus margins and header. */
bool auto_width; /* Use viewwidth as page width? */
bool auto_length; /* Use viewlength as page width? */
- int page_length; /* Page length before subtracting margins. */
+
int top_margin; /* Top margin in lines. */
int bottom_margin; /* Bottom margin in lines. */
char *init; /* Device initialization string. */
/* Internal state. */
+ char *title;
+ char *subtitle;
char *file_name; /* Output file name. */
FILE *file; /* Output file. */
bool reported_error; /* Reported file open error? */
int page_number; /* Current page number. */
- struct line *lines; /* Page content. */
- int line_cap; /* Number of lines allocated. */
+ struct ascii_line *lines; /* Page content. */
+ int allocated_lines; /* Number of lines allocated. */
int chart_cnt; /* Number of charts so far. */
+ int y;
};
-static void ascii_flush (struct outp_driver *);
-static int get_default_box_char (size_t idx);
-static bool update_page_size (struct outp_driver *, bool issue_error);
-static bool handle_option (void *this, const char *key,
- const struct string *val);
+static int vertical_margins (const struct ascii_driver *);
-static bool
-ascii_open_driver (const char *name, int types, struct substring options)
+static const char *get_default_box (int right, int bottom, int left, int top);
+static bool update_page_size (struct ascii_driver *, bool issue_error);
+static int parse_page_size (struct driver_option *);
+
+static void ascii_close_page (struct ascii_driver *);
+static void ascii_open_page (struct ascii_driver *);
+
+static void ascii_draw_line (void *, int bb[TABLE_N_AXES][2],
+ enum render_line_style styles[TABLE_N_AXES][2]);
+static void ascii_measure_cell_width (void *, const struct table_cell *,
+ int *min, int *max);
+static int ascii_measure_cell_height (void *, const struct table_cell *,
+ int width);
+static void ascii_draw_cell (void *, const struct table_cell *,
+ int bb[TABLE_N_AXES][2],
+ int clip[TABLE_N_AXES][2]);
+
+static struct ascii_driver *
+ascii_driver_cast (struct output_driver *driver)
{
- struct outp_driver *this;
- struct ascii_driver_ext *x;
- int i;
+ assert (driver->class == &ascii_class);
+ return UP_CAST (driver, struct ascii_driver, driver);
+}
- this = outp_allocate_driver (&ascii_class, name, types);
- this->width = 79;
- this->font_height = 1;
- this->prop_em_width = 1;
- this->fixed_width = 1;
- for (i = 0; i < OUTP_L_COUNT; i++)
- this->horiz_line_width[i] = this->vert_line_width[i] = i != OUTP_L_NONE;
-
- this->ext = x = pool_create_container (struct ascii_driver_ext, pool);
- x->append = false;
- x->headers = true;
- x->paginate = true;
- x->squeeze_blank_lines = false;
- x->emphasis = EMPH_BOLD;
- x->tab_width = 8;
- x->chart_file_name = pool_strdup (x->pool, "pspp-#.png");
- x->enable_charts = true;
- x->auto_width = false;
- x->auto_length = false;
- x->page_length = 66;
- x->top_margin = 2;
- x->bottom_margin = 2;
- for (i = 0; i < LNS_COUNT; i++)
- x->box[i] = NULL;
- x->init = NULL;
- x->file_name = pool_strdup (x->pool, "pspp.list");
- x->file = NULL;
- x->reported_error = false;
- x->page_number = 0;
- x->lines = NULL;
- x->line_cap = 0;
- x->chart_cnt = 1;
-
- if (!outp_parse_options (this->name, options, handle_option, this))
- goto error;
+static struct driver_option *
+opt (struct output_driver *d, struct string_map *options, const char *key,
+ const char *default_value)
+{
+ return driver_option_get (d, options, key, default_value);
+}
- if (!update_page_size (this, true))
- goto error;
+static struct output_driver *
+ascii_create (const char *name, enum output_device_type device_type,
+ struct string_map *o)
+{
+ struct output_driver *d;
+ struct ascii_driver *a;
+ int paper_length;
+ int right, bottom, left, top;
+
+ a = xzalloc (sizeof *a);
+ d = &a->driver;
+ output_driver_init (&a->driver, &ascii_class, name, device_type);
+ a->append = parse_boolean (opt (d, o, "append", "false"));
+ a->headers = parse_boolean (opt (d, o, "headers", "true"));
+ a->paginate = parse_boolean (opt (d, o, "paginate", "true"));
+ a->squeeze_blank_lines = parse_boolean (opt (d, o, "squeeze", "false"));
+ a->emphasis = parse_enum (opt (d, o, "emphasis", "bold"),
+ "bold", EMPH_BOLD,
+ "underline", EMPH_UNDERLINE,
+ "none", EMPH_NONE,
+ (char *) NULL);
+ a->tab_width = parse_int (opt (d, o, "tab-width", "0"), 8, INT_MAX);
+
+ if (parse_enum (opt (d, o, "chart-type", "png"),
+ "png", true,
+ "none", false,
+ (char *) NULL))
+ a->chart_file_name = parse_chart_file_name (opt (d, o, "chart-files",
+ "pspp-#.png"));
+ else
+ a->chart_file_name = NULL;
- for (i = 0; i < LNS_COUNT; i++)
- if (x->box[i] == NULL)
- {
- char s[2];
- s[0] = get_default_box_char (i);
- s[1] = '\0';
- x->box[i] = pool_strdup (x->pool, s);
- }
+ a->top_margin = parse_int (opt (d, o, "top-margin", "2"), 0, INT_MAX);
+ a->bottom_margin = parse_int (opt (d, o, "bottom-margin", "2"), 0, INT_MAX);
- outp_register_driver (this);
+ a->width = parse_page_size (opt (d, o, "width", "79"));
+ paper_length = parse_page_size (opt (d, o, "length", "66"));
+ a->auto_width = a->width < 0;
+ a->auto_length = paper_length < 0;
+ a->length = paper_length - vertical_margins (a);
- return true;
+ for (right = 0; right < 4; right++)
+ for (bottom = 0; bottom < 4; bottom++)
+ for (left = 0; left < 4; left++)
+ for (top = 0; top < 4; top++)
+ {
+ int indx = make_box_index (left, right, top, bottom);
+ const char *default_value;
+ char name[16];
+
+ sprintf (name, "box[%d%d%d%d]", right, bottom, left, top);
+ default_value = get_default_box (right, bottom, left, top);
+ a->box[indx] = parse_string (opt (d, o, name, default_value));
+ }
+ a->init = parse_string (opt (d, o, "init", ""));
+
+ a->title = xstrdup ("");
+ a->subtitle = xstrdup ("");
+ a->file_name = parse_string (opt (d, o, "output-file", "pspp.list"));
+ a->file = NULL;
+ a->reported_error = false;
+ a->page_number = 0;
+ a->lines = NULL;
+ a->allocated_lines = 0;
+ a->chart_cnt = 1;
+
+ if (!update_page_size (a, true))
+ goto error;
- error:
- pool_destroy (x->pool);
- outp_free_driver (this);
- return false;
+ return d;
+
+error:
+ output_driver_destroy (d);
+ return NULL;
}
-static int
-get_default_box_char (size_t idx)
+static const char *
+get_default_box (int right, int bottom, int left, int top)
{
- /* Disassemble IDX into components. */
- unsigned top = (idx >> LNS_TOP) & 3;
- unsigned left = (idx >> LNS_LEFT) & 3;
- unsigned bottom = (idx >> LNS_BOTTOM) & 3;
- unsigned right = (idx >> LNS_RIGHT) & 3;
-
- /* Reassemble components into nibbles in the order TLBR.
- This makes it easy to read the case labels. */
- unsigned value = (top << 12) | (left << 8) | (bottom << 4) | (right << 0);
- switch (value)
+ switch ((top << 12) | (left << 8) | (bottom << 4) | (right << 0))
{
case 0x0000:
- return ' ';
+ return " ";
case 0x0100: case 0x0101: case 0x0001:
- return '-';
+ return "-";
case 0x1000: case 0x1010: case 0x0010:
- return '|';
+ return "|";
case 0x0300: case 0x0303: case 0x0003:
case 0x0200: case 0x0202: case 0x0002:
- return '=';
+ return "=";
default:
- return left > 1 || top > 1 || right > 1 || bottom > 1 ? '#' : '+';
+ return left > 1 || top > 1 || right > 1 || bottom > 1 ? "#" : "+";
+ }
+}
+
+static int
+parse_page_size (struct driver_option *option)
+{
+ int dim = atol (option->default_value);
+
+ if (option->value != NULL)
+ {
+ if (!strcmp (option->value, "auto"))
+ dim = -1;
+ else
+ {
+ int value;
+ char *tail;
+
+ errno = 0;
+ value = strtol (option->value, &tail, 0);
+ if (dim >= 1 && errno != ERANGE && *tail == '\0')
+ dim = value;
+ else
+ error (0, 0, _("%s: %s must be positive integer or `auto'"),
+ option->driver_name, option->name);
+ }
}
+
+ driver_option_destroy (option);
+
+ return dim;
+}
+
+static int
+vertical_margins (const struct ascii_driver *a)
+{
+ return a->top_margin + a->bottom_margin + (a->headers ? 3 : 0);
}
/* Re-calculates the page width and length based on settings,
margins, and, if "auto" is set, the size of the user's
terminal window or GUI output window. */
static bool
-update_page_size (struct outp_driver *this, bool issue_error)
+update_page_size (struct ascii_driver *a, bool issue_error)
{
- struct ascii_driver_ext *x = this->ext;
- int margins = x->top_margin + x->bottom_margin + 1 + (x->headers ? 3 : 0);
-
- if (x->auto_width)
- this->width = settings_get_viewwidth ();
- if (x->auto_length)
- x->page_length = settings_get_viewlength ();
+ enum { MIN_WIDTH = 6, MIN_LENGTH = 6 };
- this->length = x->page_length - margins;
+ if (a->auto_width)
+ a->width = settings_get_viewwidth ();
+ if (a->auto_length)
+ a->length = settings_get_viewlength () - vertical_margins (a);
- if (this->width < 59 || this->length < 15)
+ if (a->width < MIN_WIDTH || a->length < MIN_LENGTH)
{
if (issue_error)
error (0, 0,
_("ascii: page excluding margins and headers "
- "must be at least 59 characters wide by 15 lines long, but "
+ "must be at least %d characters wide by %d lines long, but "
"as configured is only %d characters by %d lines"),
- this->width, this->length);
- if (this->width < 59)
- this->width = 59;
- if (this->length < 15)
- {
- this->length = 15;
- x->page_length = this->length + margins;
- }
+ MIN_WIDTH, MIN_LENGTH,
+ a->width, a->length);
+ if (a->width < MIN_WIDTH)
+ a->width = MIN_WIDTH;
+ if (a->length < MIN_LENGTH)
+ a->length = MIN_LENGTH;
return false;
}
return true;
}
-static bool
-ascii_close_driver (struct outp_driver *this)
+static void
+ascii_destroy (struct output_driver *driver)
{
- struct ascii_driver_ext *x = this->ext;
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ int i;
- ascii_flush (this);
- pool_detach_file (x->pool, x->file);
- pool_destroy (x->pool);
+ if (a->y > 0)
+ ascii_close_page (a);
- return true;
+ free (a->title);
+ free (a->subtitle);
+ free (a->file_name);
+ free (a->chart_file_name);
+ for (i = 0; i < LNS_COUNT; i++)
+ free (a->box[i]);
+ free (a->init);
+ if (a->file != NULL)
+ fclose (a->file);
+ for (i = 0; i < a->allocated_lines; i++)
+ free (a->lines[i].chars);
+ free (a->lines);
+ free (a);
}
-/* Generic option types. */
-enum
- {
- boolean_arg,
- emphasis_arg,
- nonneg_int_arg,
- page_size_arg,
- string_arg
- };
-
-static const struct outp_option option_tab[] =
- {
- {"headers", boolean_arg, 0},
- {"paginate", boolean_arg, 1},
- {"squeeze", boolean_arg, 2},
- {"append", boolean_arg, 3},
+static void
+ascii_flush (struct output_driver *driver)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ if (a->file != NULL)
+ fflush (a->file);
+}
- {"emphasis", emphasis_arg, 0},
+static void
+ascii_init_caption_cell (const char *caption, struct table_cell *cell)
+{
+ cell->contents = caption;
+ cell->options = TAB_LEFT;
+ cell->destructor = NULL;
+}
- {"length", page_size_arg, 0},
- {"width", page_size_arg, 1},
+static void
+ascii_submit (struct output_driver *driver,
+ const struct output_item *output_item)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ if (is_table_item (output_item))
+ {
+ struct table_item *table_item = to_table_item (output_item);
+ const char *caption = table_item_get_caption (table_item);
+ struct render_params params;
+ struct render_page *page;
+ struct render_break x_break;
+ int caption_height;
+ int i;
- {"top-margin", nonneg_int_arg, 0},
- {"bottom-margin", nonneg_int_arg, 1},
- {"tab-width", nonneg_int_arg, 2},
+ update_page_size (a, false);
- {"output-file", string_arg, 0},
- {"chart-files", string_arg, 1},
- {"chart-type", string_arg, 2},
- {"init", string_arg, 3},
+ if (caption != NULL)
+ {
+ /* XXX doesn't do well with very large captions */
+ struct table_cell cell;
+ ascii_init_caption_cell (caption, &cell);
+ caption_height = ascii_measure_cell_height (a, &cell, a->width);
+ }
+ else
+ caption_height = 0;
+
+ params.draw_line = ascii_draw_line;
+ params.measure_cell_width = ascii_measure_cell_width;
+ params.measure_cell_height = ascii_measure_cell_height;
+ params.draw_cell = ascii_draw_cell,
+ params.aux = a;
+ params.size[H] = a->width;
+ params.size[V] = a->length - caption_height;
+ params.font_size[H] = 1;
+ params.font_size[V] = 1;
+ for (i = 0; i < RENDER_N_LINES; i++)
+ {
+ int width = i == RENDER_LINE_NONE ? 0 : 1;
+ params.line_widths[H][i] = width;
+ params.line_widths[V][i] = width;
+ }
- {NULL, 0, 0},
- };
+ if (a->file == NULL)
+ {
+ ascii_open_page (a);
+ a->y = 0;
+ }
-static bool
-handle_option (void *this_, const char *key,
- const struct string *val)
-{
- struct outp_driver *this = this_;
- struct ascii_driver_ext *x = this->ext;
- int subcat;
- const char *value;
+ page = render_page_create (¶ms, table_item_get_table (table_item));
+ for (render_break_init (&x_break, page, H);
+ render_break_has_next (&x_break); )
+ {
+ struct render_page *x_slice;
+ struct render_break y_break;
- value = ds_cstr (val);
- if (!strncmp (key, "box[", 4))
- {
- char *tail;
- int indx = strtol (&key[4], &tail, 4);
- if (*tail != ']' || indx < 0 || indx > LNS_COUNT)
- {
- error (0, 0, _("ascii: bad index value for `box' key: syntax "
- "is box[INDEX], 0 <= INDEX < %d decimal, with INDEX "
- "expressed in base 4"),
- LNS_COUNT);
- return false;
- }
- if (x->box[indx] != NULL)
- error (0, 0, _("ascii: multiple values for %s"), key);
- x->box[indx] = pool_strdup (x->pool, value);
- return true;
+ x_slice = render_break_next (&x_break, a->width);
+ for (render_break_init (&y_break, x_slice, V);
+ render_break_has_next (&y_break); )
+ {
+ struct render_page *y_slice;
+ int space;
+
+ if (a->y > 0)
+ a->y++;
+
+ space = a->length - a->y - caption_height;
+ if (render_break_next_size (&y_break) > space)
+ {
+ assert (a->y > 0);
+ ascii_close_page (a);
+ a->y = 0;
+ ascii_open_page (a);
+ continue;
+ }
+
+ y_slice = render_break_next (&y_break, space);
+ if (caption_height)
+ {
+ struct table_cell cell;
+ int bb[TABLE_N_AXES][2];
+
+ ascii_init_caption_cell (caption, &cell);
+ bb[H][0] = 0;
+ bb[H][1] = a->width;
+ bb[V][0] = 0;
+ bb[V][1] = caption_height;
+ ascii_draw_cell (a, &cell, bb, bb);
+ a->y += caption_height;
+ caption_height = 0;
+ }
+ render_page_draw (y_slice);
+ a->y += render_page_get_size (y_slice, V);
+ render_page_unref (y_slice);
+ }
+ render_break_destroy (&y_break);
+ }
+ render_break_destroy (&x_break);
}
+ else if (is_chart_item (output_item) && a->chart_file_name != NULL)
+ {
+ struct chart_item *chart_item = to_chart_item (output_item);
+ char *file_name;
- switch (outp_match_keyword (key, option_tab, &subcat))
+ file_name = xr_draw_png_chart (chart_item, a->chart_file_name,
+ a->chart_cnt++);
+ if (file_name != NULL)
+ {
+ struct text_item *text_item;
+
+ text_item = text_item_create_format (
+ TEXT_ITEM_PARAGRAPH, _("See %s for a chart."), file_name);
+
+ ascii_submit (driver, &text_item->output_item);
+ text_item_unref (text_item);
+ free (file_name);
+ }
+ }
+ else if (is_text_item (output_item))
{
- case -1:
- error (0, 0, _("ascii: unknown parameter `%s'"), key);
- break;
- case page_size_arg:
- {
- char *tail;
- int arg;
+ const struct text_item *text_item = to_text_item (output_item);
+ enum text_item_type type = text_item_get_type (text_item);
+ const char *text = text_item_get_text (text_item);
- if (ss_equals_case (ds_ss (val), ss_cstr ("auto")))
- {
- if (!(this->device & OUTP_DEV_SCREEN))
- {
- /* We only let `screen' devices have `auto'
- length or width because output to such devices
- is flushed before each new command. Resizing
- a device in the middle of output seems like a
- bad idea. */
- error (0, 0, _("ascii: only screen devices may have `auto' "
- "length or width"));
- }
- else if (subcat == 0)
- x->auto_length = true;
- else
- x->auto_width = true;
- }
- else
- {
- errno = 0;
- arg = strtol (value, &tail, 0);
- if (arg < 1 || errno == ERANGE || *tail)
- {
- error (0, 0, _("ascii: positive integer required as "
- "`%s' value"),
- key);
- break;
- }
- switch (subcat)
- {
- case 0:
- x->page_length = arg;
- break;
- case 1:
- this->width = arg;
- break;
- default:
- NOT_REACHED ();
- }
- }
- }
- break;
- case emphasis_arg:
- if (!strcmp (value, "bold"))
- x->emphasis = EMPH_BOLD;
- else if (!strcmp (value, "underline"))
- x->emphasis = EMPH_UNDERLINE;
- else if (!strcmp (value, "none"))
- x->emphasis = EMPH_NONE;
- else
- error (0, 0,
- _("ascii: `emphasis' value must be `bold', "
- "`underline', or `none'"));
- break;
- case nonneg_int_arg:
- {
- char *tail;
- int arg;
-
- errno = 0;
- arg = strtol (value, &tail, 0);
- if (arg < 0 || errno == ERANGE || *tail)
- {
- error (0, 0,
- _("ascii: zero or positive integer required as `%s' value"),
- key);
- break;
- }
- switch (subcat)
- {
- case 0:
- x->top_margin = arg;
- break;
- case 1:
- x->bottom_margin = arg;
- break;
- case 2:
- x->tab_width = arg;
- break;
- default:
- NOT_REACHED ();
- }
- }
- break;
- case boolean_arg:
- {
- bool setting;
- if (!strcmp (value, "on") || !strcmp (value, "true")
- || !strcmp (value, "yes") || atoi (value))
- setting = true;
- else if (!strcmp (value, "off") || !strcmp (value, "false")
- || !strcmp (value, "no") || !strcmp (value, "0"))
- setting = false;
- else
- {
- error (0, 0, _("ascii: boolean value expected for `%s'"), key);
- return false;
- }
- switch (subcat)
- {
- case 0:
- x->headers = setting;
- break;
- case 1:
- x->paginate = setting;
- break;
- case 2:
- x->squeeze_blank_lines = setting;
- break;
- case 3:
- x->append = setting;
- break;
- default:
- NOT_REACHED ();
- }
- }
- break;
- case string_arg:
- switch (subcat)
+ switch (type)
{
- case 0:
- x->file_name = pool_strdup (x->pool, value);
+ case TEXT_ITEM_TITLE:
+ free (a->title);
+ a->title = xstrdup (text);
break;
- case 1:
- if (ds_find_char (val, '#') != SIZE_MAX)
- x->chart_file_name = pool_strdup (x->pool, value);
- else
- error (0, 0, _("`chart-files' value must contain `#'"));
+
+ case TEXT_ITEM_SUBTITLE:
+ free (a->subtitle);
+ a->subtitle = xstrdup (text);
break;
- case 2:
- if (!strcmp (value, "png"))
- x->enable_charts = true;
- else if (!strcmp (value, "none"))
- x->enable_charts = false;
- else
- {
- error (0, 0,
- _("ascii: `png' or `none' expected for `chart-type'"));
- return false;
- }
+
+ case TEXT_ITEM_COMMAND_CLOSE:
+ break;
+
+ case TEXT_ITEM_BLANK_LINE:
+ if (a->y > 0)
+ a->y++;
break;
- case 3:
- x->init = pool_strdup (x->pool, value);
+
+ case TEXT_ITEM_EJECT_PAGE:
+ if (a->y > 0)
+ ascii_close_page (a);
+ break;
+
+ default:
+ {
+ struct table_item *item;
+
+ item = table_item_create (table_from_string (0, text), NULL);
+ ascii_submit (&a->driver, &item->output_item);
+ table_item_unref (item);
+ }
break;
}
- break;
- default:
- NOT_REACHED ();
}
-
- return true;
}
+const struct output_driver_class ascii_class =
+ {
+ "ascii",
+ ascii_create,
+ ascii_destroy,
+ ascii_submit,
+ ascii_flush,
+ };
+\f
+enum wrap_mode
+ {
+ WRAP_WORD,
+ WRAP_CHAR,
+ WRAP_WORD_CHAR
+ };
+
+static void ascii_expand_line (struct ascii_driver *, int y, int length);
+static void ascii_layout_cell (struct ascii_driver *,
+ const struct table_cell *,
+ int bb[TABLE_N_AXES][2],
+ int clip[TABLE_N_AXES][2], enum wrap_mode wrap,
+ int *width, int *height);
+
static void
-ascii_open_page (struct outp_driver *this)
+ascii_draw_line (void *a_, int bb[TABLE_N_AXES][2],
+ enum render_line_style styles[TABLE_N_AXES][2])
{
- struct ascii_driver_ext *x = this->ext;
- int i;
+ struct ascii_driver *a = a_;
+ unsigned short int value;
+ int x1, y1;
+ int x, y;
- update_page_size (this, false);
+ /* Clip to the page. */
+ if (bb[H][0] >= a->width || bb[V][0] + a->y >= a->length)
+ return;
+ x1 = MIN (bb[H][1], a->width);
+ y1 = MIN (bb[V][1] + a->y, a->length);
- if (x->file == NULL)
+ /* Draw. */
+ value = ATTR_BOX | make_box_index (styles[V][0], styles[V][1],
+ styles[H][0], styles[H][1]);
+ for (y = bb[V][0] + a->y; y < y1; y++)
{
- x->file = fn_open (x->file_name, x->append ? "a" : "w");
- if (x->file != NULL)
- {
- pool_attach_file (x->pool, x->file);
- if (x->init != NULL)
- fputs (x->init, x->file);
- }
- else
- {
- /* Report the error to the user and complete
- initialization. If we do not finish initialization,
- then calls to other driver functions will segfault
- later. It would be better to simply drop the driver
- entirely, but we do not have a convenient mechanism
- for this (yet). */
- if (!x->reported_error)
- error (0, errno, _("ascii: opening output file \"%s\""),
- x->file_name);
- x->reported_error = true;
- }
+ ascii_expand_line (a, y, x1);
+ for (x = bb[H][0]; x < x1; x++)
+ a->lines[y].chars[x] = value;
}
+}
- x->page_number++;
-
- if (this->length > x->line_cap)
+static void
+ascii_measure_cell_width (void *a_, const struct table_cell *cell,
+ int *min_width, int *max_width)
+{
+ struct ascii_driver *a = a_;
+ int bb[TABLE_N_AXES][2];
+ int clip[TABLE_N_AXES][2];
+ int h;
+
+ bb[H][0] = 0;
+ bb[H][1] = INT_MAX;
+ bb[V][0] = 0;
+ bb[V][1] = INT_MAX;
+ clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, max_width, &h);
+
+ if (strchr (cell->contents, ' '))
{
- x->lines = pool_nrealloc (x->pool,
- x->lines, this->length, sizeof *x->lines);
- for (i = x->line_cap; i < this->length; i++)
- {
- struct line *line = &x->lines[i];
- line->chars = NULL;
- line->char_cap = 0;
- }
- x->line_cap = this->length;
+ bb[H][1] = 1;
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, min_width, &h);
}
-
- for (i = 0; i < this->length; i++)
- x->lines[i].char_cnt = 0;
+ else
+ *min_width = *max_width;
}
-/* Ensures that at least the first LENGTH characters of line Y in
- THIS driver identified X have been cleared out. */
-static inline void
-expand_line (struct outp_driver *this, int y, int length)
+static int
+ascii_measure_cell_height (void *a_, const struct table_cell *cell, int width)
{
- struct ascii_driver_ext *ext = this->ext;
- struct line *line = &ext->lines[y];
- if (line->char_cnt < length)
- {
- int x;
- if (line->char_cap < length)
- {
- line->char_cap = MIN (length * 2, this->width);
- line->chars = pool_nrealloc (ext->pool,
- line->chars,
- line->char_cap, sizeof *line->chars);
- }
- for (x = line->char_cnt; x < length; x++)
- line->chars[x] = ' ';
- line->char_cnt = length;
- }
+ struct ascii_driver *a = a_;
+ int bb[TABLE_N_AXES][2];
+ int clip[TABLE_N_AXES][2];
+ int w, h;
+
+ bb[H][0] = 0;
+ bb[H][1] = width;
+ bb[V][0] = 0;
+ bb[V][1] = INT_MAX;
+ clip[H][0] = clip[H][1] = clip[V][0] = clip[V][1] = 0;
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, &w, &h);
+ return h;
}
static void
-ascii_line (struct outp_driver *this,
- int x0, int y0, int x1, int y1,
- enum outp_line_style top, enum outp_line_style left,
- enum outp_line_style bottom, enum outp_line_style right)
+ascii_draw_cell (void *a_, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
{
- struct ascii_driver_ext *ext = this->ext;
- int y;
- unsigned short value;
+ struct ascii_driver *a = a_;
+ int w, h;
- assert (this->page_open);
-#if DEBUGGING
- if (x0 < 0 || x1 > this->width || y0 < 0 || y1 > this->length)
- {
-#if !SUPPRESS_WARNINGS
- printf (_("ascii: bad line (%d,%d)-(%d,%d) out of (%d,%d)\n"),
- x0, y0, x1, y1, this->width, this->length);
-#endif
- return;
- }
-#endif
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, &w, &h);
+}
- value = ((left << LNS_LEFT) | (right << LNS_RIGHT)
- | (top << LNS_TOP) | (bottom << LNS_BOTTOM) | ATTR_BOX);
- for (y = y0; y < y1; y++)
+/* Ensures that at least the first LENGTH characters of line Y in
+ ascii driver A have been cleared out. */
+static void
+ascii_expand_line (struct ascii_driver *a, int y, int length)
+{
+ struct ascii_line *line = &a->lines[y];
+ if (line->n_chars < length)
{
int x;
-
- expand_line (this, y, x1);
- for (x = x0; x < x1; x++)
- ext->lines[y].chars[x] = value;
+ if (line->allocated_chars < length)
+ {
+ line->allocated_chars = MAX (length, MIN (length * 2, a->width));
+ line->chars = xnrealloc (line->chars, line->allocated_chars,
+ sizeof *line->chars);
+ }
+ for (x = line->n_chars; x < length; x++)
+ line->chars[x] = ' ';
+ line->n_chars = length;
}
}
static void
-text_draw (struct outp_driver *this,
- enum outp_font font,
- int x, int y,
- enum outp_justification justification, int width,
- const char *string, size_t length)
+text_draw (struct ascii_driver *a, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int y, const char *string, int n)
{
- struct ascii_driver_ext *ext = this->ext;
- unsigned short attr = font == OUTP_EMPHASIS ? ATTR_EMPHASIS : 0;
-
- int line_len;
+ int x0 = MAX (0, clip[H][0]);
+ int y0 = MAX (0, clip[V][0] + a->y);
+ int x1 = clip[H][1];
+ int y1 = MIN (a->length, clip[V][1] + a->y);
+ int x;
+
+ y += a->y;
+ if (y < y0 || y >= y1)
+ return;
- switch (justification)
+ switch (cell->options & TAB_ALIGNMENT)
{
- case OUTP_LEFT:
+ case TAB_LEFT:
+ x = bb[H][0];
break;
- case OUTP_CENTER:
- x += (width - length + 1) / 2;
+ case TAB_CENTER:
+ x = (bb[H][0] + bb[H][1] - n + 1) / 2;
break;
- case OUTP_RIGHT:
- x += width - length;
+ case TAB_RIGHT:
+ x = bb[H][1] - n;
break;
default:
NOT_REACHED ();
}
- if (y >= this->length || x >= this->width)
- return;
-
- if (x + length > this->width)
- length = this->width - x;
+ if (x0 > x)
+ {
+ n -= x0 - x;
+ if (n <= 0)
+ return;
+ string += x0 - x;
+ x = x0;
+ }
+ if (x + n >= x1)
+ n = x1 - x;
- line_len = x + length;
+ if (n > 0)
+ {
+ int attr = cell->options & TAB_EMPH ? ATTR_EMPHASIS : 0;
+ size_t i;
- expand_line (this, y, line_len);
- while (length-- > 0)
- ext->lines[y].chars[x++] = *string++ | attr;
+ ascii_expand_line (a, y, x + n);
+ for (i = 0; i < n; i++)
+ a->lines[y].chars[x + i] = string[i] | attr;
+ }
}
-/* Divides the text T->S into lines of width T->H. Sets *WIDTH
- to the maximum width of a line and *HEIGHT to the number of
- lines, if those arguments are non-null. Actually draws the
- text if DRAW is true. */
static void
-delineate (struct outp_driver *this, const struct outp_text *text, bool draw,
- int *width, int *height)
+ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ enum wrap_mode wrap, int *width, int *height)
{
- int max_width;
- int height_left;
-
- const char *cp = ss_data (text->string);
-
- max_width = 0;
- height_left = text->v;
+ size_t length = strlen (cell->contents);
+ int y, pos;
- while (height_left > 0)
+ *width = 0;
+ pos = 0;
+ for (y = bb[V][0]; y < bb[V][1] && pos < length; y++)
{
- size_t chars_left;
+ const char *line = &cell->contents[pos];
+ const char *new_line;
size_t line_len;
- const char *end;
- /* Initially the line is up to text->h characters long. */
- chars_left = ss_end (text->string) - cp;
- if (chars_left == 0)
- break;
- line_len = MIN (chars_left, text->h);
+ /* Find line length without considering word wrap. */
+ line_len = MIN (bb[H][1] - bb[H][0], length - pos);
+ new_line = memchr (line, '\n', line_len);
+ if (new_line != NULL)
+ line_len = new_line - line;
- /* A new-line terminates the line prematurely. */
- end = memchr (cp, '\n', line_len);
- if (end != NULL)
- line_len = end - cp;
-
- /* Don't cut off words if it can be avoided. */
- if (cp + line_len < ss_end (text->string))
+ /* Word wrap. */
+ if (pos + line_len < length && wrap != WRAP_CHAR)
{
size_t space_len = line_len;
- while (space_len > 0 && !isspace ((unsigned char) cp[space_len]))
+ while (space_len > 0 && !isspace ((unsigned char) line[space_len]))
space_len--;
if (space_len > 0)
line_len = space_len;
+ else if (wrap == WRAP_WORD)
+ {
+ while (pos + line_len < length
+ && !isspace ((unsigned char) line[line_len]))
+ line_len++;
+ }
}
+ if (line_len > *width)
+ *width = line_len;
/* Draw text. */
- if (draw)
- text_draw (this,
- text->font,
- text->x, text->y + (text->v - height_left),
- text->justification, text->h,
- cp, line_len);
-
- /* Update. */
- height_left--;
- if (line_len > max_width)
- max_width = line_len;
+ text_draw (a, cell, bb, clip, y, line, line_len);
/* Next line. */
- cp += line_len;
- if (cp < ss_end (text->string) && isspace ((unsigned char) *cp))
- cp++;
+ pos += line_len;
+ if (pos < length && isspace ((unsigned char) cell->contents[pos]))
+ pos++;
}
-
- if (width != NULL)
- *width = max_width;
- if (height != NULL)
- *height = text->v - height_left;
+ *height = y - bb[V][0];
}
+\f
+/* ascii_close_page () and support routines. */
static void
-ascii_text_metrics (struct outp_driver *this, const struct outp_text *t,
- int *width, int *height)
+ascii_open_page (struct ascii_driver *a)
{
- delineate (this, t, false, width, height);
-}
+ int i;
-static void
-ascii_text_draw (struct outp_driver *this, const struct outp_text *t)
-{
- assert (this->page_open);
- delineate (this, t, true, NULL, NULL);
+ if (a->file == NULL)
+ {
+ a->file = fn_open (a->file_name, a->append ? "a" : "w");
+ if (a->file != NULL)
+ {
+ if (a->init != NULL)
+ fputs (a->init, a->file);
+ }
+ else
+ {
+ /* Report the error to the user and complete
+ initialization. If we do not finish initialization,
+ then calls to other driver functions will segfault
+ later. It would be better to simply drop the driver
+ entirely, but we do not have a convenient mechanism
+ for this (yet). */
+ if (!a->reported_error)
+ error (0, errno, _("ascii: opening output file \"%s\""),
+ a->file_name);
+ a->reported_error = true;
+ }
+ }
+
+ a->page_number++;
+
+ if (a->length > a->allocated_lines)
+ {
+ a->lines = xnrealloc (a->lines, a->length, sizeof *a->lines);
+ for (i = a->allocated_lines; i < a->length; i++)
+ {
+ struct ascii_line *line = &a->lines[i];
+ line->chars = NULL;
+ line->allocated_chars = 0;
+ }
+ a->allocated_lines = a->length;
+ }
+
+ for (i = 0; i < a->length; i++)
+ a->lines[i].n_chars = 0;
}
-\f
-/* ascii_close_page () and support routines. */
-/* Writes the LENGTH characters in S to OUT. */
+/* Writes LINE to A's output file. */
static void
-output_line (struct outp_driver *this, const struct line *line,
- struct string *out)
+output_line (struct ascii_driver *a, const struct ascii_line *line)
{
- struct ascii_driver_ext *ext = this->ext;
- const unsigned short *s = line->chars;
size_t length;
+ size_t i;
- for (length = line->char_cnt; length-- > 0; s++)
- if (*s & ATTR_BOX)
- ds_put_cstr (out, ext->box[*s & 0xff]);
- else
- {
- if (*s & ATTR_EMPHASIS)
- {
- if (ext->emphasis == EMPH_BOLD)
- {
- ds_put_char (out, *s);
- ds_put_char (out, '\b');
- }
- else if (ext->emphasis == EMPH_UNDERLINE)
- ds_put_cstr (out, "_\b");
- }
- ds_put_char (out, *s);
- }
+ length = line->n_chars;
+ while (length > 0 && line->chars[length - 1] == ' ')
+ length--;
+
+ for (i = 0; i < length; i++)
+ {
+ int attribute = line->chars[i] & (ATTR_BOX | ATTR_EMPHASIS);
+ int ch = line->chars[i] & ~(ATTR_BOX | ATTR_EMPHASIS);
+
+ switch (attribute)
+ {
+ case ATTR_BOX:
+ fputs (a->box[ch], a->file);
+ break;
+
+ case ATTR_EMPHASIS:
+ if (a->emphasis == EMPH_BOLD)
+ fprintf (a->file, "%c\b%c", ch, ch);
+ else if (a->emphasis == EMPH_UNDERLINE)
+ fprintf (a->file, "_\b%c", ch);
+ else
+ putc (ch, a->file);
+ break;
+
+ default:
+ putc (ch, a->file);
+ break;
+ }
+ }
+
+ putc ('\n', a->file);
}
static void
-append_lr_justified (struct string *out, int width,
- const char *left, const char *right)
+output_title_line (FILE *out, int width, const char *left, const char *right)
{
- ds_put_char_multiple (out, ' ', width);
+ struct string s = DS_EMPTY_INITIALIZER;
+ ds_put_char_multiple (&s, ' ', width);
if (left != NULL)
{
size_t length = MIN (strlen (left), width);
- memcpy (ds_end (out) - width, left, length);
+ memcpy (ds_end (&s) - width, left, length);
}
if (right != NULL)
{
size_t length = MIN (strlen (right), width);
- memcpy (ds_end (out) - length, right, length);
+ memcpy (ds_end (&s) - length, right, length);
}
- ds_put_char (out, '\n');
+ ds_put_char (&s, '\n');
+ fputs (ds_cstr (&s), out);
+ ds_destroy (&s);
}
static void
-dump_output (struct outp_driver *this, struct string *out)
+ascii_close_page (struct ascii_driver *a)
{
- struct ascii_driver_ext *x = this->ext;
- fwrite (ds_data (out), ds_length (out), 1, x->file);
- ds_clear (out);
-}
-
-static void
-ascii_close_page (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
- struct string out;
- int line_num;
+ bool any_blank;
+ int i, y;
- if (x->file == NULL)
+ if (a->file == NULL)
return;
- ds_init_empty (&out);
+ if (!a->top_margin && !a->bottom_margin && a->squeeze_blank_lines
+ && !a->paginate && a->page_number > 1)
+ putc ('\n', a->file);
- ds_put_char_multiple (&out, '\n', x->top_margin);
- if (x->headers)
+ for (i = 0; i < a->top_margin; i++)
+ putc ('\n', a->file);
+ if (a->headers)
{
char *r1, *r2;
- r1 = xasprintf (_("%s - Page %d"), get_start_date (), x->page_number);
+ r1 = xasprintf (_("%s - Page %d"), get_start_date (), a->page_number);
r2 = xasprintf ("%s - %s" , version, host_system);
- append_lr_justified (&out, this->width, outp_title, r1);
- append_lr_justified (&out, this->width, outp_subtitle, r2);
- ds_put_char (&out, '\n');
+ output_title_line (a->file, a->width, a->title, r1);
+ output_title_line (a->file, a->width, a->subtitle, r2);
+ putc ('\n', a->file);
free (r1);
free (r2);
}
- dump_output (this, &out);
- for (line_num = 0; line_num < this->length; line_num++)
+ any_blank = false;
+ for (y = 0; y < a->allocated_lines; y++)
{
+ struct ascii_line *line = &a->lines[y];
- /* Squeeze multiple blank lines into a single blank line if
- requested. */
- if (x->squeeze_blank_lines)
+ if (a->squeeze_blank_lines && y > 0 && line->n_chars == 0)
+ any_blank = true;
+ else
{
- if (line_num >= x->line_cap)
- break;
- if (line_num > 0
- && x->lines[line_num].char_cnt == 0
- && x->lines[line_num - 1].char_cnt == 0)
- continue;
- }
-
- if (line_num < x->line_cap)
- output_line (this, &x->lines[line_num], &out);
- ds_put_char (&out, '\n');
- dump_output (this, &out);
- }
-
- ds_put_char_multiple (&out, '\n', x->bottom_margin);
- if (x->paginate)
- ds_put_char (&out, '\f');
-
- dump_output (this, &out);
- ds_destroy (&out);
-}
-
-/* Flushes all output to the user and lets the user deal with it.
- This is applied only to output drivers that are designated as
- "screen" drivers that the user is interacting with in real
- time. */
-static void
-ascii_flush (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
- if (x->file != NULL)
- {
- if (fn_close (x->file_name, x->file) != 0)
- error (0, errno, _("ascii: closing output file \"%s\""),
- x->file_name);
- pool_detach_file (x->pool, x->file);
- x->file = NULL;
- }
-}
+ if (any_blank)
+ {
+ putc ('\n', a->file);
+ any_blank = false;
+ }
-static void
-ascii_output_chart (struct outp_driver *this, const struct chart *chart)
-{
- struct ascii_driver_ext *x = this->ext;
- struct outp_text t;
- char *file_name;
- char *text;
-
- /* Draw chart into separate file */
- file_name = chart_draw_png (chart, x->chart_file_name, x->chart_cnt++);
-
- /* Mention chart in output.
- First advance current position. */
- if (!this->page_open)
- outp_open_page (this);
- else
- {
- this->cp_y++;
- if (this->cp_y >= this->length)
- {
- outp_close_page (this);
- outp_open_page (this);
+ output_line (a, line);
}
}
-
- /* Then write the text. */
- text = xasprintf ("See %s for a chart.", file_name);
- t.font = OUTP_FIXED;
- t.justification = OUTP_LEFT;
- t.string = ss_cstr (text);
- t.h = this->width;
- t.v = 1;
- t.x = 0;
- t.y = this->cp_y;
- ascii_text_draw (this, &t);
- this->cp_y++;
-
- free (file_name);
- free (text);
+ if (!a->squeeze_blank_lines)
+ for (y = a->allocated_lines; y < a->length; y++)
+ putc ('\n', a->file);
+
+ for (i = 0; i < a->bottom_margin; i++)
+ putc ('\n', a->file);
+ if (a->paginate)
+ putc ('\f', a->file);
}
-
-const struct outp_class ascii_class =
-{
- "ascii",
- 0,
-
- ascii_open_driver,
- ascii_close_driver,
-
- ascii_open_page,
- ascii_close_page,
- ascii_flush,
-
- ascii_output_chart,
-
- NULL, /* submit */
-
- ascii_line,
- ascii_text_metrics,
- ascii_text_draw,
-};
projects / pspp-builds.git / blobdiff