/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2007, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include <limits.h>
#include <stdint.h>
#include <stdlib.h>
-
-#include <data/file-name.h>
-#include <libpspp/alloc.h>
-#include <libpspp/assertion.h>
-#include <libpspp/compiler.h>
-#include <libpspp/pool.h>
-#include <libpspp/start-date.h>
-#include <libpspp/version.h>
-
-#include "chart.h"
-#include "error.h"
-#include "minmax.h"
-#include "output.h"
+#include <signal.h>
+#include <unilbrk.h>
+#include <unistd.h>
+#include <unistr.h>
+#include <uniwidth.h>
+
+#include "data/file-name.h"
+#include "data/settings.h"
+#include "libpspp/assertion.h"
+#include "libpspp/cast.h"
+#include "libpspp/compiler.h"
+#include "libpspp/message.h"
+#include "libpspp/start-date.h"
+#include "libpspp/string-map.h"
+#include "libpspp/u8-line.h"
+#include "libpspp/version.h"
+#include "output/ascii.h"
+#include "output/cairo.h"
+#include "output/chart-item-provider.h"
+#include "output/driver-provider.h"
+#include "output/message-item.h"
+#include "output/options.h"
+#include "output/render.h"
+#include "output/tab.h"
+#include "output/table-item.h"
+#include "output/text-item.h"
+
+#include "gl/minmax.h"
+#include "gl/xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
-/* ASCII driver options: (defaults listed first)
-
- output-file="pspp.list"
- chart-files="pspp-#.png" Name used for charts.
- chart-type=png Format of charts (use "none" to disable).
-
- 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
- width=130
- squeeze=off|on Squeeze multiple newlines into exactly one.
+/* This file uses TABLE_HORZ and TABLE_VERT enough to warrant abbreviating. */
+#define H TABLE_HORZ
+#define V TABLE_VERT
- top-margin=2
- bottom-margin=2
+#define N_BOX (RENDER_N_LINES * RENDER_N_LINES \
+ * RENDER_N_LINES * RENDER_N_LINES)
- 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 */
-
-/* Line styles bit shifts. */
-enum
+static const ucs4_t ascii_box_chars[N_BOX] =
{
- LNS_TOP = 0,
- LNS_LEFT = 2,
- LNS_BOTTOM = 4,
- LNS_RIGHT = 6,
-
- LNS_COUNT = 256
+ ' ', '|', '#',
+ '-', '+', '#',
+ '=', '#', '#',
+ '|', '|', '#',
+ '+', '+', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '-', '+', '#',
+ '-', '+', '#',
+ '#', '#', '#',
+ '+', '+', '#',
+ '+', '+', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '=', '#', '#',
+ '#', '#', '#',
+ '=', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
+ '#', '#', '#',
};
-/* Character attributes. */
-#define ATTR_EMPHASIS 0x100 /* Bold-face. */
-#define ATTR_BOX 0x200 /* Line drawing character. */
-
-/* A line of text. */
-struct line
+static const ucs4_t unicode_box_chars[N_BOX] =
{
- unsigned short *chars; /* Characters and attributes. */
- int char_cnt; /* Length. */
- int char_cap; /* Allocated bytes. */
+ 0x0020, 0x2575, 0x2551,
+ 0x2574, 0x256f, 0x255c,
+ 0x2550, 0x255b, 0x255d,
+ 0x2577, 0x2502, 0x2551,
+ 0x256e, 0x2524, 0x2562,
+ 0x2555, 0x2561, 0x2563,
+ 0x2551, 0x2551, 0x2551,
+ 0x2556, 0x2562, 0x2562,
+ 0x2557, 0x2563, 0x2563,
+ 0x2576, 0x2570, 0x2559,
+ 0x2500, 0x2534, 0x2568,
+ 0x2550, 0x2567, 0x2569,
+ 0x256d, 0x251c, 0x255f,
+ 0x252c, 0x253c, 0x256a,
+ 0x2564, 0x256a, 0x256c,
+ 0x2553, 0x255f, 0x255f,
+ 0x2565, 0x256b, 0x256b,
+ 0x2566, 0x256c, 0x256c,
+ 0x2550, 0x2558, 0x255a,
+ 0x2550, 0x2567, 0x2569,
+ 0x2550, 0x2567, 0x2569,
+ 0x2552, 0x255e, 0x2560,
+ 0x2564, 0x256a, 0x256c,
+ 0x2564, 0x256a, 0x256c,
+ 0x2554, 0x2560, 0x2560,
+ 0x2560, 0x256c, 0x256c,
+ 0x2566, 0x256c, 0x256c,
};
+static inline int
+make_box_index (int left, int right, int top, int bottom)
+{
+ return ((right * RENDER_N_LINES + bottom) * RENDER_N_LINES + left) * RENDER_N_LINES + top;
+}
+
/* How to emphasize text. */
enum emphasis_style
{
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 headers; /* Print headers at top of page? */
bool paginate; /* Insert formfeeds? */
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. */
- const char *chart_type; /* Type of charts to output; NULL for none. */
- const char *chart_file_name; /* Name of files used for charts. */
+ char *chart_file_name; /* Name of files used for charts. */
+
+#ifdef HAVE_CAIRO
+ /* Colours for charts */
+ struct xr_color fg;
+ struct xr_color bg;
+#endif
+
+ 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 *box[LNS_COUNT]; /* Line & box drawing characters. */
- char *init; /* Device initialization string. */
+ int min_break[TABLE_N_AXES]; /* Min cell size to break across pages. */
+
+ const ucs4_t *box; /* Line & box drawing characters. */
/* Internal state. */
+ char *command_name;
+ char *title;
+ char *subtitle;
char *file_name; /* Output file name. */
FILE *file; /* Output file. */
+ bool error; /* Output error? */
int page_number; /* Current page number. */
- struct line *lines; /* Page content. */
- int line_cap; /* Number of lines allocated. */
+ struct u8_line *lines; /* Page content. */
+ int allocated_lines; /* Number of lines allocated. */
int chart_cnt; /* Number of charts so far. */
+ int x, y;
};
-static void ascii_flush (struct outp_driver *);
-static int get_default_box_char (size_t idx);
-static bool handle_option (struct outp_driver *this, const char *key,
- const struct string *val);
+static const struct output_driver_class ascii_driver_class;
-static bool
-ascii_open_driver (struct outp_driver *this, struct substring options)
-{
- struct ascii_driver_ext *x;
- int i;
+static void ascii_submit (struct output_driver *, const struct output_item *);
- 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->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->chart_type = pool_strdup (x->pool, "png");
- 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->page_number = 0;
- x->lines = NULL;
- x->line_cap = 0;
- x->chart_cnt = 0;
-
- if (!outp_parse_options (options, handle_option, this))
- goto error;
+static int vertical_margins (const struct ascii_driver *);
+
+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 bool ascii_open_page (struct ascii_driver *);
- this->length = x->page_length - x->top_margin - x->bottom_margin - 1;
- if (x->headers)
- this->length -= 3;
+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]);
- if (this->width < 59 || this->length < 15)
+static void
+reallocate_lines (struct ascii_driver *a)
+{
+ if (a->length > a->allocated_lines)
{
- error (0, 0,
- _("ascii: page excluding margins and headers "
- "must be at least 59 characters wide by 15 lines long, but as "
- "configured is only %d characters by %d lines"),
- this->width, this->length);
- return false;
+ int i;
+ a->lines = xnrealloc (a->lines, a->length, sizeof *a->lines);
+ for (i = a->allocated_lines; i < a->length; i++)
+ u8_line_init (&a->lines[i]);
+ a->allocated_lines = a->length;
}
+}
- 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);
- }
- return true;
+static struct ascii_driver *
+ascii_driver_cast (struct output_driver *driver)
+{
+ assert (driver->class == &ascii_driver_class);
+ return UP_CAST (driver, struct ascii_driver, driver);
+}
+
+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);
+}
+
+static struct output_driver *
+ascii_create (const char *file_name, enum settings_output_devices device_type,
+ struct string_map *o)
+{
+ enum { BOX_ASCII, BOX_UNICODE } box;
+ int min_break[TABLE_N_AXES];
+ struct output_driver *d;
+ struct ascii_driver *a;
+ int paper_length;
+
+ a = xzalloc (sizeof *a);
+ d = &a->driver;
+ output_driver_init (&a->driver, &ascii_driver_class, file_name, device_type);
+ a->append = parse_boolean (opt (d, o, "append", "false"));
+ a->headers = parse_boolean (opt (d, o, "headers", "false"));
+ a->paginate = parse_boolean (opt (d, o, "paginate", "false"));
+ a->squeeze_blank_lines = parse_boolean (opt (d, o, "squeeze", "true"));
+ a->emphasis = parse_enum (opt (d, o, "emphasis", "none"),
+ "bold", EMPH_BOLD,
+ "underline", EMPH_UNDERLINE,
+ "none", EMPH_NONE,
+ NULL_SENTINEL);
+
+ a->chart_file_name = parse_chart_file_name (opt (d, o, "charts", file_name));
+
+ a->top_margin = parse_int (opt (d, o, "top-margin", "0"), 0, INT_MAX);
+ a->bottom_margin = parse_int (opt (d, o, "bottom-margin", "0"), 0, INT_MAX);
+
+ min_break[H] = parse_int (opt (d, o, "min-hbreak", "-1"), -1, INT_MAX);
+ min_break[V] = parse_int (opt (d, o, "min-vbreak", "-1"), -1, INT_MAX);
+
+ 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);
+ a->min_break[H] = min_break[H] >= 0 ? min_break[H] : a->width / 2;
+ a->min_break[V] = min_break[V] >= 0 ? min_break[V] : a->length / 2;
+#ifdef HAVE_CAIRO
+ parse_color (d, o, "background-color", "#FFFFFFFFFFFF", &a->bg);
+ parse_color (d, o, "foreground-color", "#000000000000", &a->fg);
+#endif
+ box = parse_enum (opt (d, o, "box", "ascii"),
+ "ascii", BOX_ASCII,
+ "unicode", BOX_UNICODE,
+ NULL_SENTINEL);
+ a->box = box == BOX_ASCII ? ascii_box_chars : unicode_box_chars;
+
+ a->command_name = NULL;
+ a->title = xstrdup ("");
+ a->subtitle = xstrdup ("");
+ a->file_name = xstrdup (file_name);
+ a->file = NULL;
+ a->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;
+
+ return d;
- error:
- pool_destroy (x->pool);
- return false;
+error:
+ output_driver_destroy (d);
+ return NULL;
}
static int
-get_default_box_char (size_t idx)
+parse_page_size (struct driver_option *option)
{
- /* 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)
+ int dim = atol (option->default_value);
+
+ if (option->value != NULL)
{
- case 0x0000:
- return ' ';
+ if (!strcmp (option->value, "auto"))
+ dim = -1;
+ else
+ {
+ int value;
+ char *tail;
- case 0x0100: case 0x0101: case 0x0001:
- return '-';
+ errno = 0;
+ value = strtol (option->value, &tail, 0);
+ if (dim >= 1 && errno != ERANGE && *tail == '\0')
+ dim = value;
+ else
+ msg (MW, _("%s: %s must be positive integer or `auto'"),
+ option->driver_name, option->name);
+ }
+ }
- case 0x1000: case 0x1010: case 0x0010:
- return '|';
+ driver_option_destroy (option);
- case 0x0300: case 0x0303: case 0x0003:
- case 0x0200: case 0x0202: case 0x0002:
- return '=';
+ return dim;
+}
- default:
- return left > 1 || top > 1 || right > 1 || bottom > 1 ? '#' : '+';
- }
+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
-ascii_close_driver (struct outp_driver *this)
+update_page_size (struct ascii_driver *a, bool issue_error)
{
- struct ascii_driver_ext *x = this->ext;
+ enum { MIN_WIDTH = 6, MIN_LENGTH = 6 };
- ascii_flush (this);
- pool_detach_file (x->pool, x->file);
- pool_destroy (x->pool);
+ if (a->auto_width)
+ a->width = settings_get_viewwidth ();
+ if (a->auto_length)
+ a->length = settings_get_viewlength () - vertical_margins (a);
- return true;
-}
+ if (a->width < MIN_WIDTH || a->length < MIN_LENGTH)
+ {
+ if (issue_error)
+ msg (ME,
+ _("ascii: page excluding margins and headers "
+ "must be at least %d characters wide by %d lines long, but "
+ "as configured is only %d characters by %d lines"),
+ 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;
+ }
-/* Generic option types. */
-enum
- {
- boolean_arg,
- emphasis_arg,
- nonneg_int_arg,
- pos_int_arg,
- string_arg
- };
+ reallocate_lines (a);
-static const struct outp_option option_tab[] =
- {
- {"headers", boolean_arg, 0},
- {"paginate", boolean_arg, 1},
- {"squeeze", boolean_arg, 2},
+ return true;
+}
- {"emphasis", emphasis_arg, 0},
+static void
+ascii_destroy (struct output_driver *driver)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ int i;
- {"length", pos_int_arg, 0},
- {"width", pos_int_arg, 1},
+ if (a->y > 0)
+ ascii_close_page (a);
+
+ if (a->file != NULL)
+ fn_close (a->file_name, a->file);
+ free (a->command_name);
+ free (a->title);
+ free (a->subtitle);
+ free (a->file_name);
+ free (a->chart_file_name);
+ for (i = 0; i < a->allocated_lines; i++)
+ u8_line_destroy (&a->lines[i]);
+ free (a->lines);
+ free (a);
+}
- {"top-margin", nonneg_int_arg, 0},
- {"bottom-margin", nonneg_int_arg, 1},
- {"tab-width", nonneg_int_arg, 2},
+static void
+ascii_flush (struct output_driver *driver)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ if (a->y > 0)
+ {
+ ascii_close_page (a);
- {"output-file", string_arg, 0},
- {"chart-files", string_arg, 1},
- {"chart-type", string_arg, 2},
- {"init", string_arg, 3},
+ if (fn_close (a->file_name, a->file) != 0)
+ msg_error (errno, _("ascii: closing output file `%s'"), a->file_name);
+ a->file = NULL;
+ }
+}
- {NULL, 0, 0},
- };
+static void
+ascii_init_caption_cell (const char *caption, struct table_cell *cell)
+{
+ cell->inline_contents.options = TAB_LEFT;
+ cell->inline_contents.text = CONST_CAST (char *, caption);
+ cell->inline_contents.table = NULL;
+ cell->contents = &cell->inline_contents;
+ cell->n_contents = 1;
+ cell->destructor = NULL;
+}
-static bool
-handle_option (struct outp_driver *this, const char *key,
- const struct string *val)
+static void
+ascii_output_table_item (struct ascii_driver *a,
+ const struct table_item *table_item)
{
- struct ascii_driver_ext *x = this->ext;
- int subcat;
- const char *value;
+ const char *caption = table_item_get_caption (table_item);
+ struct render_params params;
+ struct render_pager *p;
+ int caption_height;
+ int i;
+
+ update_page_size (a, false);
- value = ds_cstr (val);
- if (!strncmp (key, "box[", 4))
+ 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.adjust_break = NULL;
+ 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++)
{
- 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;
+ int width = i == RENDER_LINE_NONE ? 0 : 1;
+ params.line_widths[H][i] = width;
+ params.line_widths[V][i] = width;
}
+ for (i = 0; i < TABLE_N_AXES; i++)
+ params.min_break[i] = a->min_break[i];
- switch (outp_match_keyword (key, option_tab, &subcat))
+ if (a->file == NULL && !ascii_open_page (a))
+ return;
+
+ p = render_pager_create (render_page_create (¶ms, table_item_get_table (
+ table_item)));
+ while (render_pager_has_next (p))
{
- case -1:
- error (0, 0, _("ascii: unknown parameter `%s'"), key);
- break;
- case pos_int_arg:
- {
- char *tail;
- int arg;
-
- 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;
+ int used;
+
+ if (a->y > 0)
+ a->y++;
+ a->y += caption_height;
+ used = render_pager_draw_next (p, a->length - a->y);
+ if (used == 0)
+ {
+ assert (a->y > 0);
+ ascii_close_page (a);
+ if (!ascii_open_page (a))
break;
- default:
- NOT_REACHED ();
- }
- }
- break;
- case string_arg:
- switch (subcat)
+ }
+ else
{
- case 0:
- x->file_name = pool_strdup (x->pool, value);
- 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 `#'"));
- break;
- case 2:
- if (value[0] != '\0')
- x->chart_type = pool_strdup (x->pool, value);
- else
- x->chart_type = NULL;
- break;
- case 3:
- x->init = pool_strdup (x->pool, value);
- break;
+ 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;
+ a->y -= caption_height;
+ ascii_draw_cell (a, &cell, bb, bb);
+ a->y += caption_height;
+ caption_height = 0;
+ }
+ a->y += used;
}
- break;
- default:
- NOT_REACHED ();
}
+ render_pager_destroy (p);
+}
- return true;
+static void
+ascii_output_text (struct ascii_driver *a, const char *text)
+{
+ struct table_item *table_item;
+
+ table_item = table_item_create (table_from_string (TAB_LEFT, text), NULL);
+ ascii_output_table_item (a, table_item);
+ table_item_unref (table_item);
}
static void
-ascii_open_page (struct outp_driver *this)
+ascii_submit (struct output_driver *driver,
+ const struct output_item *output_item)
{
- struct ascii_driver_ext *x = this->ext;
- int i;
+ struct ascii_driver *a = ascii_driver_cast (driver);
- if (x->file == NULL)
+ output_driver_track_current_command (output_item, &a->command_name);
+
+ if (a->error)
+ return;
+
+ if (is_table_item (output_item))
+ ascii_output_table_item (a, to_table_item (output_item));
+#ifdef HAVE_CAIRO
+ else if (is_chart_item (output_item) && a->chart_file_name != NULL)
{
- x->file = fn_open (x->file_name, "w");
- if (x->file == NULL)
+ struct chart_item *chart_item = to_chart_item (output_item);
+ char *file_name;
+
+ file_name = xr_draw_png_chart (chart_item, a->chart_file_name,
+ a->chart_cnt++,
+ &a->fg,
+ &a->bg);
+ if (file_name != NULL)
{
- error (0, errno, _("ascii: opening output file \"%s\""),
- x->file_name);
- return;
- }
- pool_attach_file (x->pool, x->file);
+ struct text_item *text_item;
- if (x->init != NULL)
- fputs (x->init, x->file);
- }
-
- x->page_number++;
+ text_item = text_item_create_format (
+ TEXT_ITEM_PARAGRAPH, _("See %s for a chart."), file_name);
- if (this->length > x->line_cap)
+ ascii_submit (driver, &text_item->output_item);
+ text_item_unref (text_item);
+ free (file_name);
+ }
+ }
+#endif /* HAVE_CAIRO */
+ else if (is_text_item (output_item))
{
- x->lines = pool_nrealloc (x->pool,
- x->lines, this->length, sizeof *x->lines);
- for (i = x->line_cap; i < this->length; i++)
+ 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);
+
+ switch (type)
{
- struct line *line = &x->lines[i];
- line->chars = NULL;
- line->char_cap = 0;
+ case TEXT_ITEM_TITLE:
+ free (a->title);
+ a->title = xstrdup (text);
+ break;
+
+ case TEXT_ITEM_SUBTITLE:
+ free (a->subtitle);
+ a->subtitle = xstrdup (text);
+ break;
+
+ case TEXT_ITEM_COMMAND_OPEN:
+ case TEXT_ITEM_COMMAND_CLOSE:
+ break;
+
+ case TEXT_ITEM_BLANK_LINE:
+ if (a->y > 0)
+ a->y++;
+ break;
+
+ case TEXT_ITEM_EJECT_PAGE:
+ if (a->y > 0)
+ ascii_close_page (a);
+ break;
+
+ default:
+ ascii_output_text (a, text);
+ break;
}
- x->line_cap = this->length;
}
-
- for (i = 0; i < this->length; i++)
- x->lines[i].char_cnt = 0;
+ else if (is_message_item (output_item))
+ {
+ const struct message_item *message_item = to_message_item (output_item);
+ const struct msg *msg = message_item_get_msg (message_item);
+ char *s = msg_to_string (msg, a->command_name);
+ ascii_output_text (a, s);
+ free (s);
+ }
}
-/* 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)
+const struct output_driver_factory txt_driver_factory =
+ { "txt", "-", ascii_create };
+const struct output_driver_factory list_driver_factory =
+ { "list", "-", ascii_create };
+
+static const struct output_driver_class ascii_driver_class =
+ {
+ "text",
+ ascii_destroy,
+ ascii_submit,
+ ascii_flush,
+ };
+\f
+static char *ascii_reserve (struct ascii_driver *, int y, int x0, int x1,
+ int n);
+static void ascii_layout_cell (struct ascii_driver *,
+ const struct table_cell *,
+ int bb[TABLE_N_AXES][2],
+ int clip[TABLE_N_AXES][2],
+ int *width, int *height);
+
+static void
+ascii_draw_line (void *a_, int bb[TABLE_N_AXES][2],
+ enum render_line_style styles[TABLE_N_AXES][2])
{
- struct ascii_driver_ext *ext = this->ext;
- struct line *line = &ext->lines[y];
- if (line->char_cnt < length)
+ struct ascii_driver *a = a_;
+ char mbchar[6];
+ int x0, y0, x1, y1;
+ ucs4_t uc;
+ int mblen;
+ int x, y;
+
+ /* Clip to the page. */
+ x0 = MAX (bb[H][0] + a->x, 0);
+ y0 = MAX (bb[V][0] + a->y, 0);
+ x1 = MIN (bb[H][1] + a->x, a->width);
+ y1 = MIN (bb[V][1] + a->y, a->length);
+ if (x1 <= 0 || y1 <= 0 || x0 >= a->width || y0 >= a->length)
+ return;
+
+ /* Draw. */
+ uc = a->box[make_box_index (styles[V][0], styles[V][1],
+ styles[H][0], styles[H][1])];
+ mblen = u8_uctomb (CHAR_CAST (uint8_t *, mbchar), uc, 6);
+ for (y = y0; y < y1; y++)
{
- int x;
- if (line->char_cap < length)
+ char *p = ascii_reserve (a, y, x0, x1, mblen * (x1 - x0));
+ for (x = x0; x < x1; x++)
{
- line->char_cap = MIN (length * 2, this->width);
- line->chars = pool_nrealloc (ext->pool,
- line->chars,
- line->char_cap, sizeof *line->chars);
+ memcpy (p, mbchar, mblen);
+ p += mblen;
}
- for (x = line->char_cnt; x < length; x++)
- line->chars[x] = ' ';
- line->char_cnt = length;
}
}
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_measure_cell_width (void *a_, const struct table_cell *cell,
+ int *min_width, int *max_width)
{
- struct ascii_driver_ext *ext = this->ext;
- int y;
- unsigned short value;
-
- assert (this->page_open);
-#if DEBUGGING
- if (x0 < 0 || x1 > this->width || y0 < 0 || y1 > this->length)
+ 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, max_width, &h);
+
+ if (cell->n_contents != 1
+ || cell->contents[0].table
+ || strchr (cell->contents[0].text, ' '))
{
-#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;
+ bb[H][1] = 1;
+ ascii_layout_cell (a, cell, bb, clip, min_width, &h);
}
-#endif
-
- value = ((left << LNS_LEFT) | (right << LNS_RIGHT)
- | (top << LNS_TOP) | (bottom << LNS_BOTTOM) | ATTR_BOX);
- for (y = y0; y < y1; y++)
- {
- int x;
+ else
+ *min_width = *max_width;
+}
- expand_line (this, y, x1);
- for (x = x0; x < x1; x++)
- ext->lines[y].chars[x] = value;
- }
+static int
+ascii_measure_cell_height (void *a_, const struct table_cell *cell, int width)
+{
+ 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, &w, &h);
+ return h;
}
static void
-ascii_submit (struct outp_driver *this UNUSED, struct som_entity *s)
+ascii_draw_cell (void *a_, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
{
- extern struct som_table_class tab_table_class;
+ struct ascii_driver *a = a_;
+ int w, h;
- assert (s->class == &tab_table_class);
- assert (s->type == SOM_CHART);
+ ascii_layout_cell (a, cell, bb, clip, &w, &h);
}
-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)
+static char *
+ascii_reserve (struct ascii_driver *a, int y, int x0, int x1, int n)
{
- struct ascii_driver_ext *ext = this->ext;
- unsigned short attr = font == OUTP_EMPHASIS ? ATTR_EMPHASIS : 0;
+ assert (y < a->allocated_lines);
+ return u8_line_reserve (&a->lines[y], x0, x1, n);
+}
- int line_len;
+static void
+text_draw (struct ascii_driver *a, unsigned int options,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int y, const uint8_t *string, int n, size_t width)
+{
+ int x0 = MAX (0, clip[H][0] + a->x);
+ int y0 = MAX (0, clip[V][0] + a->y);
+ int x1 = MIN (a->width, clip[H][1] + a->x);
+ int y1 = MIN (a->length, clip[V][1] + a->y);
+ int x;
+
+ y += a->y;
+ if (y < y0 || y >= y1)
+ return;
- switch (justification)
+ switch (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] - width + 1) / 2;
break;
- case OUTP_RIGHT:
- x += width - length;
+ case TAB_RIGHT:
+ x = bb[H][1] - width;
break;
default:
NOT_REACHED ();
}
+ x += a->x;
+ if (x >= x1)
+ return;
+
+ while (x < x0)
+ {
+ ucs4_t uc;
+ int mblen;
+ int w;
- if (y >= this->length || x >= this->width)
+ if (n == 0)
+ return;
+ mblen = u8_mbtouc (&uc, string, n);
+
+ string += mblen;
+ n -= mblen;
+
+ w = uc_width (uc, "UTF-8");
+ if (w > 0)
+ {
+ x += w;
+ width -= w;
+ }
+ }
+ if (n == 0)
return;
- if (x + length > this->width)
- length = this->width - x;
+ if (x + width > x1)
+ {
+ int ofs;
+
+ ofs = width = 0;
+ for (ofs = 0; ofs < n; )
+ {
+ ucs4_t uc;
+ int mblen;
+ int w;
+
+ mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
+
+ w = uc_width (uc, "UTF-8");
+ if (w > 0)
+ {
+ if (width + w > x1 - x)
+ break;
+ width += w;
+ }
+ ofs += mblen;
+ }
+ n = ofs;
+ if (n == 0)
+ return;
+ }
+
+ if (!(options & TAB_EMPH) || a->emphasis == EMPH_NONE)
+ memcpy (ascii_reserve (a, y, x, x + width, n), string, n);
+ else
+ {
+ size_t n_out;
+ size_t ofs;
+ char *out;
+ int mblen;
+
+ /* First figure out how many bytes need to be inserted. */
+ n_out = n;
+ for (ofs = 0; ofs < n; ofs += mblen)
+ {
+ ucs4_t uc;
+ int w;
+
+ mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
+ w = uc_width (uc, "UTF-8");
- line_len = x + length;
+ if (w > 0)
+ n_out += a->emphasis == EMPH_UNDERLINE ? 2 : 1 + mblen;
+ }
- expand_line (this, y, line_len);
- while (length-- > 0)
- ext->lines[y].chars[x++] = *string++ | attr;
+ /* Then insert them. */
+ out = ascii_reserve (a, y, x, x + width, n_out);
+ for (ofs = 0; ofs < n; ofs += mblen)
+ {
+ ucs4_t uc;
+ int w;
+
+ mblen = u8_mbtouc (&uc, string + ofs, n - ofs);
+ w = uc_width (uc, "UTF-8");
+
+ if (w > 0)
+ {
+ if (a->emphasis == EMPH_UNDERLINE)
+ *out++ = '_';
+ else
+ out = mempcpy (out, string + ofs, mblen);
+ *out++ = '\b';
+ }
+ out = mempcpy (out, string + ofs, mblen);
+ }
+ }
}
-/* 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)
+static int
+ascii_layout_cell_text (struct ascii_driver *a,
+ const struct cell_contents *contents,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int *widthp)
{
- int max_width;
- int height_left;
+ size_t length = strlen (contents->text);
+ char *breaks;
+ int bb_width;
+ size_t pos;
+ int y;
- const char *cp = ss_data (text->string);
+ y = bb[V][0];
+ if (length == 0)
+ return y;
- max_width = 0;
- height_left = text->v;
+ breaks = xmalloc (length + 1);
+ u8_possible_linebreaks (CHAR_CAST (const uint8_t *, contents->text), length,
+ "UTF-8", breaks);
+ breaks[length] = (breaks[length - 1] == UC_BREAK_MANDATORY
+ ? UC_BREAK_PROHIBITED : UC_BREAK_POSSIBLE);
- while (height_left > 0)
+ pos = 0;
+ bb_width = bb[H][1] - bb[H][0];
+ for (y = bb[V][0]; y < bb[V][1] && pos < length; y++)
{
- size_t chars_left;
- 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);
-
- /* 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))
+ const uint8_t *line = CHAR_CAST (const uint8_t *, contents->text + pos);
+ const char *b = breaks + pos;
+ size_t n = length - pos;
+
+ size_t last_break_ofs = 0;
+ int last_break_width = 0;
+ int width = 0;
+ size_t graph_ofs;
+ size_t ofs;
+
+ for (ofs = 0; ofs < n; )
{
- size_t space_len = line_len;
- while (space_len > 0 && !isspace ((unsigned char) cp[space_len]))
- space_len--;
- if (space_len > 0)
- line_len = space_len;
+ ucs4_t uc;
+ int mblen;
+ int w;
+
+ mblen = u8_mbtouc (&uc, line + ofs, n - ofs);
+ if (b[ofs] == UC_BREAK_MANDATORY)
+ break;
+ else if (b[ofs] == UC_BREAK_POSSIBLE)
+ {
+ last_break_ofs = ofs;
+ last_break_width = width;
+ }
+
+ w = uc_width (uc, "UTF-8");
+ if (w > 0)
+ {
+ if (width + w > bb_width)
+ {
+ if (isspace (line[ofs]))
+ break;
+ else if (last_break_ofs != 0)
+ {
+ ofs = last_break_ofs;
+ width = last_break_width;
+ break;
+ }
+ }
+ width += w;
+ }
+ ofs += mblen;
}
+ /* Trim any trailing spaces off the end of the text to be drawn. */
+ for (graph_ofs = ofs; graph_ofs > 0; graph_ofs--)
+ if (!isspace (line[graph_ofs - 1]))
+ break;
+ width -= ofs - graph_ofs;
+
/* 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;
-
- /* Next line. */
- cp += line_len;
- if (cp < ss_end (text->string) && isspace ((unsigned char) *cp))
- cp++;
+ text_draw (a, contents->options, bb, clip, y, line, graph_ofs, width);
+
+ /* If a new-line ended the line, just skip the new-line. Otherwise, skip
+ past any spaces past the end of the line (but not past a new-line). */
+ if (b[ofs] == UC_BREAK_MANDATORY)
+ ofs++;
+ else
+ while (ofs < n && isspace (line[ofs]) && b[ofs] != UC_BREAK_MANDATORY)
+ ofs++;
+
+ if (width > *widthp)
+ *widthp = width;
+ pos += ofs;
}
- if (width != NULL)
- *width = max_width;
- if (height != NULL)
- *height = text->v - height_left;
-}
+ free (breaks);
-static void
-ascii_text_metrics (struct outp_driver *this, const struct outp_text *t,
- int *width, int *height)
-{
- delineate (this, t, false, width, height);
+ return y;
}
-static void
-ascii_text_draw (struct outp_driver *this, const struct outp_text *t)
+static int
+ascii_layout_subtable (struct ascii_driver *a,
+ const struct cell_contents *contents,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2] UNUSED,
+ int *widthp)
{
- assert (this->page_open);
- delineate (this, t, true, NULL, NULL);
-}
-\f
-/* ascii_close_page () and support routines. */
+ const struct table *table = contents->table;
+ struct render_params params;
+ struct render_pager *p;
+ int r[TABLE_N_AXES][2];
+ int width, height;
+ int i;
-/* Writes the LENGTH characters in S to OUT. */
-static void
-output_line (struct outp_driver *this, const struct line *line,
- struct string *out)
-{
- struct ascii_driver_ext *ext = this->ext;
- const unsigned short *s = line->chars;
- size_t length;
-
- 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);
- }
-}
+ params.draw_line = ascii_draw_line;
+ params.measure_cell_width = ascii_measure_cell_width;
+ params.measure_cell_height = ascii_measure_cell_height;
+ params.adjust_break = NULL;
+ params.draw_cell = ascii_draw_cell,
+ params.aux = a;
+ params.size[H] = bb[TABLE_HORZ][1] - bb[TABLE_HORZ][0];
+ params.size[V] = bb[TABLE_VERT][1] - bb[TABLE_VERT][0];
+ 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;
+ }
-static void
-append_lr_justified (struct string *out, int width,
- const char *left, const char *right)
-{
- ds_put_char_multiple (out, ' ', width);
- if (left != NULL)
+ p = render_pager_create (render_page_create (¶ms, table));
+ width = render_pager_get_size (p, TABLE_HORZ);
+ height = render_pager_get_size (p, TABLE_VERT);
+
+ /* r = intersect(bb, clip) - bb. */
+ for (i = 0; i < TABLE_N_AXES; i++)
{
- size_t length = MIN (strlen (left), width);
- memcpy (ds_end (out) - width, left, length);
+ r[i][0] = MAX (bb[i][0], clip[i][0]) - bb[i][0];
+ r[i][1] = MIN (bb[i][1], clip[i][1]) - bb[i][0];
}
- if (right != NULL)
+
+ if (r[H][0] < r[H][1] && r[V][0] < r[V][1])
{
- size_t length = MIN (strlen (right), width);
- memcpy (ds_end (out) - length, right, length);
+ unsigned int alignment = contents->options & TAB_ALIGNMENT;
+ int save_x = a->x;
+
+ a->x += bb[TABLE_HORZ][0];
+ if (alignment == TAB_RIGHT)
+ a->x += params.size[H] - width;
+ else if (alignment == TAB_CENTER)
+ a->x += (params.size[H] - width) / 2;
+ a->y += bb[TABLE_VERT][0];
+ render_pager_draw (p);
+ a->y -= bb[TABLE_VERT][0];
+ a->x = save_x;
}
- ds_put_char (out, '\n');
-}
+ render_pager_destroy (p);
-static void
-dump_output (struct outp_driver *this, struct string *out)
-{
- struct ascii_driver_ext *x = this->ext;
- fwrite (ds_data (out), ds_length (out), 1, x->file);
- ds_clear (out);
+ if (width > *widthp)
+ *widthp = width;
+ return bb[V][0] + height;
}
static void
-ascii_close_page (struct outp_driver *this)
+ascii_layout_cell (struct ascii_driver *a, const struct table_cell *cell,
+ int bb_[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2],
+ int *widthp, int *heightp)
{
- struct ascii_driver_ext *x = this->ext;
- struct string out;
- int line_num;
-
- if (x->file == NULL)
- return;
+ int bb[TABLE_N_AXES][2];
+ size_t i;
- ds_init_empty (&out);
+ *widthp = 0;
+ *heightp = 0;
- ds_put_char_multiple (&out, '\n', x->top_margin);
- if (x->headers)
- {
- char *r1, *r2;
-
- r1 = xasprintf (_("%s - Page %d"), get_start_date (), x->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');
-
- free (r1);
- free (r2);
- }
- dump_output (this, &out);
-
- for (line_num = 0; line_num < this->length; line_num++)
+ memcpy (bb, bb_, sizeof bb);
+ for (i = 0; i < cell->n_contents && bb[V][0] < bb[V][1]; i++)
{
+ const struct cell_contents *contents = &cell->contents[i];
- /* Squeeze multiple blank lines into a single blank line if
- requested. */
- if (x->squeeze_blank_lines)
+ /* Put a blank line between contents. */
+ if (i > 0)
{
- if (line_num >= x->line_cap)
+ bb[V][0]++;
+ if (bb[V][0] >= bb[V][1])
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);
+ if (contents->text)
+ bb[V][0] = ascii_layout_cell_text (a, contents, bb, clip, widthp);
+ else
+ bb[V][0] = ascii_layout_subtable (a, contents, bb, clip, widthp);
}
+ *heightp = bb[V][0] - bb_[V][0];
+}
+
+void
+ascii_test_write (struct output_driver *driver,
+ const char *s, int x, int y, unsigned int options)
+{
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ struct cell_contents contents;
+ struct table_cell cell;
+ int bb[TABLE_N_AXES][2];
+ int width, height;
+
+ if (a->file == NULL && !ascii_open_page (a))
+ return;
+ a->y = 0;
+
+ contents.options = options | TAB_LEFT;
+ contents.text = CONST_CAST (char *, s);
+ contents.table = NULL;
- ds_put_char_multiple (&out, '\n', x->bottom_margin);
- if (x->paginate)
- ds_put_char (&out, '\f');
+ memset (&cell, 0, sizeof cell);
+ cell.contents = &contents;
+ cell.n_contents = 1;
- dump_output (this, &out);
- ds_destroy (&out);
+ bb[TABLE_HORZ][0] = x;
+ bb[TABLE_HORZ][1] = a->width;
+ bb[TABLE_VERT][0] = y;
+ bb[TABLE_VERT][1] = a->length;
+
+ ascii_layout_cell (a, &cell, bb, bb, &width, &height);
+
+ a->y = 1;
}
-/* 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)
+void
+ascii_test_set_length (struct output_driver *driver, int y, int length)
{
- struct ascii_driver_ext *x = this->ext;
+ struct ascii_driver *a = ascii_driver_cast (driver);
- 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 (a->file == NULL && !ascii_open_page (a))
+ return;
+
+ if (y < 0 || y >= a->length)
+ return;
+ u8_line_set_length (&a->lines[y], length);
}
+\f
+/* ascii_close_page () and support routines. */
+
+#if HAVE_DECL_SIGWINCH
+static struct ascii_driver *the_driver;
static void
-ascii_chart_initialise (struct outp_driver *this, struct chart *ch)
+winch_handler (int signum UNUSED)
{
- struct ascii_driver_ext *x = this->ext;
- struct outp_text t;
- char *text;
+ update_page_size (the_driver, false);
+}
+#endif
- if (x->chart_type == NULL)
- return;
+static bool
+ascii_open_page (struct ascii_driver *a)
+{
+ int i;
- /* Initialize chart. */
- chart_init_separate (ch, x->chart_type, x->chart_file_name, ++x->chart_cnt);
- if (ch->file_name == NULL)
- return;
+ if (a->error)
+ return false;
- /* Mention chart in output.
- First advance current position. */
- if (!this->page_open)
- outp_open_page (this);
- else
+ if (a->file == NULL)
{
- this->cp_y++;
- if (this->cp_y >= this->length)
+ a->file = fn_open (a->file_name, a->append ? "a" : "w");
+ if (a->file != NULL)
+ {
+ if ( isatty (fileno (a->file)))
+ {
+#if HAVE_DECL_SIGWINCH
+ struct sigaction action;
+ sigemptyset (&action.sa_mask);
+ action.sa_flags = 0;
+ action.sa_handler = winch_handler;
+ the_driver = a;
+ sigaction (SIGWINCH, &action, NULL);
+#endif
+ a->auto_width = true;
+ a->auto_length = true;
+ }
+ }
+ else
{
- outp_close_page (this);
- outp_open_page (this);
+ msg_error (errno, _("ascii: opening output file `%s'"),
+ a->file_name);
+ a->error = true;
+ return false;
}
}
- /* Then write the text. */
- text = xasprintf ("See %s for a chart.", ch->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 (text);
+ a->page_number++;
+
+ reallocate_lines (a);
+
+ for (i = 0; i < a->length; i++)
+ u8_line_clear (&a->lines[i]);
+
+ return true;
}
static void
-ascii_chart_finalise (struct outp_driver *this, struct chart *ch)
+output_title_line (FILE *out, int width, const char *left, const char *right)
{
- struct ascii_driver_ext *x = this->ext;
- if (x->chart_type != NULL)
- chart_finalise_separate (ch);
+ struct string s = DS_EMPTY_INITIALIZER;
+ ds_put_byte_multiple (&s, ' ', width);
+ if (left != NULL)
+ {
+ size_t length = MIN (strlen (left), width);
+ memcpy (ds_end (&s) - width, left, length);
+ }
+ if (right != NULL)
+ {
+ size_t length = MIN (strlen (right), width);
+ memcpy (ds_end (&s) - length, right, length);
+ }
+ ds_put_byte (&s, '\n');
+ fputs (ds_cstr (&s), out);
+ ds_destroy (&s);
}
-const struct outp_class ascii_class =
+static void
+ascii_close_page (struct ascii_driver *a)
{
- "ascii",
- 0,
+ bool any_blank;
+ int i, y;
- ascii_open_driver,
- ascii_close_driver,
+ a->y = 0;
+ if (a->file == NULL)
+ return;
+
+ if (!a->top_margin && !a->bottom_margin && a->squeeze_blank_lines
+ && !a->paginate && a->page_number > 1)
+ putc ('\n', a->file);
+
+ for (i = 0; i < a->top_margin; i++)
+ putc ('\n', a->file);
+ if (a->headers)
+ {
+ char *r1, *r2;
- ascii_open_page,
- ascii_close_page,
- ascii_flush,
+ r1 = xasprintf (_("%s - Page %d"), get_start_date (), a->page_number);
+ r2 = xasprintf ("%s - %s" , version, host_system);
+
+ 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);
+ }
- ascii_submit,
+ any_blank = false;
+ for (y = 0; y < a->allocated_lines; y++)
+ {
+ struct u8_line *line = &a->lines[y];
- ascii_line,
- ascii_text_metrics,
- ascii_text_draw,
+ if (a->squeeze_blank_lines && y > 0 && line->width == 0)
+ any_blank = true;
+ else
+ {
+ if (any_blank)
+ {
+ putc ('\n', a->file);
+ any_blank = false;
+ }
- ascii_chart_initialise,
- ascii_chart_finalise
-};
+ while (ds_chomp_byte (&line->s, ' '))
+ continue;
+ fwrite (ds_data (&line->s), 1, ds_length (&line->s), a->file);
+ putc ('\n', a->file);
+ }
+ }
+ 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);
+}
projects / pspp / blobdiff