-/* PSPP - computes sample statistics.
- Copyright (C) 1997-9, 2000 Free Software Foundation, Inc.
- Written by Ben Pfaff <blp@gnu.org>.
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 1997-9, 2000, 2007, 2009, 2010 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 the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
+ 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
-#include <libpspp/message.h>
+
#include <ctype.h>
#include <errno.h>
#include <limits.h>
+#include <stdint.h>
#include <stdlib.h>
-#include <libpspp/alloc.h>
-#include <libpspp/message.h>
-#include "chart.h"
+
+#include <data/file-name.h>
+#include <data/settings.h>
+#include <libpspp/assertion.h>
#include <libpspp/compiler.h>
-#include <data/filename.h>
-#include <libpspp/misc.h>
-#include "output.h"
-#include <libpspp/pool.h>
+#include <libpspp/message.h>
#include <libpspp/start-date.h>
+#include <libpspp/string-map.h>
#include <libpspp/version.h>
+#include <output/cairo.h>
+#include <output/chart-item-provider.h>
+#include <output/message-item.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 "xalloc.h"
#include "gettext.h"
#define _(msgid) gettext (msgid)
-/* ASCII driver options: (defaults listed first)
-
- output-file="pspp.list"
- char-set=ascii|latin1
- form-feed-string="\f" Written as a formfeed.
- newline-string=default|"\r\n"|"\n"
- Written as a newline.
- paginate=on|off Formfeeds are desired?
- tab-width=8 Width of a tab; 0 to not use tabs.
- init="" Written at beginning of output.
- done="" Written at end of output.
-
- headers=on|off Put headers at top of page?
- length=66
- width=130
- lpi=6 Only used to determine font size.
- cpi=10
- squeeze=off|on Squeeze multiple newlines into exactly one.
-
- left-margin=0
- right-margin=0
- top-margin=2
- bottom-margin=2
-
- box[x]="strng" Sets box character X (X in base 4: 0-3333).
- italic-on=overstrike|"strng" Turns on italic (underline).
- italic-off=""|"strng" Turns off italic; ignored for overstrike.
- bold-on=overstrike|"strng" Turns on bold.
- bold-off=""|"strng" Turns off bold; ignored for overstrike.
- bold-italic-on=overstrike|"strng" Turns on bold-italic.
- bold-italic-off=""|"strng" Turns off bold-italic; ignored for overstrike.
- overstrike-style=single|line Can we print a whole line then BS over it, or
- must we go char by char, as on a terminal?
- carriage-return-style=bs|cr Must we return the carriage with a sequence of
- BSes, or will a single CR do it?
- */
-
-/* Disable messages by failed range checks. */
-/*#define SUPPRESS_WARNINGS 1 */
-
-/* Character set. */
-enum
- {
- CHS_ASCII, /* 7-bit ASCII */
- CHS_LATIN1 /* Latin 1; not really supported at the moment */
- };
-
-/* Overstrike style. */
-enum
- {
- OVS_SINGLE, /* Overstrike each character: "a\b_b\b_c\b_" */
- OVS_LINE /* Overstrike lines: "abc\b\b\b___" (or if
- newline is "\r\n", then "abc\r___"). Easier
- on the printer, doesn't work on a tty. */
- };
-
-/* Basic output strings. */
-enum
- {
- OPS_INIT, /* Document initialization string. */
- OPS_DONE, /* Document uninit string. */
- OPS_FORMFEED, /* Formfeed string. */
- OPS_NEWLINE, /* Newline string. */
-
- OPS_COUNT /* Number of output strings. */
- };
+/* 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
};
-/* Carriage return style. */
-enum
- {
- CRS_BS, /* Multiple backspaces. */
- CRS_CR /* Single carriage return. */
- };
-
-/* Assembles a byte from four taystes. */
-#define TAYSTE2BYTE(T, L, B, R) \
- (((T) << LNS_TOP) \
- | ((L) << LNS_LEFT) \
- | ((B) << LNS_BOTTOM) \
- | ((R) << LNS_RIGHT))
+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));
+}
-/* Extract tayste with shift value S from byte B. */
-#define BYTE2TAYSTE(B, S) \
- (((B) >> (S)) & 3)
+/* Character attributes. */
+#define ATTR_EMPHASIS 0x100 /* Bold-face. */
+#define ATTR_BOX 0x200 /* Line drawing character. */
-/* Font style; take one of the first group |'d with one of the second group. */
-enum
+/* A line of text. */
+struct ascii_line
{
- FSTY_ON = 000, /* Turn font on. */
- FSTY_OFF = 001, /* Turn font off. */
-
- FSTY_ITALIC = 0, /* Italic font. */
- FSTY_BOLD = 2, /* Bold font. */
- FSTY_BOLD_ITALIC = 4, /* Bold-italic font. */
-
- FSTY_COUNT = 6 /* Number of font styles. */
+ unsigned short *chars; /* Characters and attributes. */
+ int n_chars; /* Length. */
+ int allocated_chars; /* Allocated "chars" elements. */
};
-/* A line of text. */
-struct line
+/* How to emphasize text. */
+enum emphasis_style
{
- unsigned short *chars; /* Characters and attributes. */
- int char_cnt; /* Length. */
- int char_cap; /* Allocated bytes. */
+ EMPH_BOLD, /* Overstrike for bold. */
+ EMPH_UNDERLINE, /* Overstrike for underlining. */
+ EMPH_NONE /* No emphasis. */
};
-/* ASCII output driver extension record. */
-struct ascii_driver_ext
+/* ASCII output driver. */
+struct ascii_driver
{
+ struct output_driver driver;
+
/* User parameters. */
- int char_set; /* CHS_ASCII/CHS_LATIN1; no-op right now. */
- int headers; /* 1=print headers at top of page. */
- int page_length; /* Page length in lines. */
- int page_width; /* Page width in characters. */
- int lpi; /* Lines per inch. */
- int cpi; /* Characters per inch. */
- int left_margin; /* Left margin in characters. */
- int right_margin; /* Right margin in characters. */
+ 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. */
+ 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 top_margin; /* Top margin in lines. */
int bottom_margin; /* Bottom margin in lines. */
- int paginate; /* 1=insert formfeeds. */
- int tab_width; /* Width of a tab; 0 not to use tabs. */
- struct fixed_string ops[OPS_COUNT]; /* Basic output strings. */
- struct fixed_string box[LNS_COUNT]; /* Line & box drawing characters. */
- struct fixed_string fonts[FSTY_COUNT]; /* Font styles; NULL=overstrike. */
- int overstrike_style; /* OVS_SINGLE or OVS_LINE. */
- int carriage_return_style; /* Carriage return style. */
- int squeeze_blank_lines; /* 1=squeeze multiple blank lines into one. */
+
+ char *box[LNS_COUNT]; /* Line & box drawing characters. */
+ char *init; /* Device initialization string. */
/* Internal state. */
- struct file_ext file; /* Output file. */
+ 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 lines_cap; /* Number of lines allocated. */
- int w, l; /* Actual width & length w/o margins, etc. */
- int cur_font; /* Current font by OUTP_F_*. */
-#if DEBUGGING
- int debug; /* Set by som_text_draw(). */
-#endif
+ struct ascii_line *lines; /* Page content. */
+ int allocated_lines; /* Number of lines allocated. */
+ int chart_cnt; /* Number of charts so far. */
+ int y;
};
-static int postopen (struct file_ext *);
-static int preclose (struct file_ext *);
+static const struct output_driver_class ascii_driver_class;
+
+static void ascii_submit (struct output_driver *, const struct output_item *);
+
+static int vertical_margins (const struct ascii_driver *);
-static struct outp_option_info *option_info;
+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 int
-ascii_open_global (struct outp_class *this UNUSED)
-{
- option_info = xmalloc (sizeof *option_info);
- option_info->initial = 0;
- option_info->options = 0;
- return 1;
-}
+static void ascii_close_page (struct ascii_driver *);
+static bool 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 char *s;
-static int
-ascii_close_global (struct outp_class *this UNUSED)
+static struct ascii_driver *
+ascii_driver_cast (struct output_driver *driver)
{
- free(option_info->initial);
- free(option_info->options);
- free(option_info);
- free(s);
- return 1;
+ assert (driver->class == &ascii_driver_class);
+ return UP_CAST (driver, struct ascii_driver, driver);
}
-static int *
-ascii_font_sizes (struct outp_class *this UNUSED, int *n_valid_sizes)
+static struct driver_option *
+opt (struct output_driver *d, struct string_map *options, const char *key,
+ const char *default_value)
{
- static int valid_sizes[] = {12, 12, 0, 0};
-
- assert (n_valid_sizes);
- *n_valid_sizes = 1;
- return valid_sizes;
+ return driver_option_get (d, options, key, default_value);
}
-static int
-ascii_preopen_driver (struct outp_driver *this)
+static struct output_driver *
+ascii_create (const char *file_name, enum settings_output_devices device_type,
+ struct string_map *o)
{
- struct ascii_driver_ext *x;
- int i;
-
- assert (this->driver_open == 0);
- msg (VM (1), _("ASCII driver initializing as `%s'..."), this->name);
- this->ext = x = xmalloc (sizeof *x);
- x->char_set = CHS_ASCII;
- x->headers = 1;
- x->page_length = 66;
- x->page_width = 79;
- x->lpi = 6;
- x->cpi = 10;
- x->left_margin = 0;
- x->right_margin = 0;
- x->top_margin = 2;
- x->bottom_margin = 2;
- x->paginate = 1;
- x->tab_width = 8;
- for (i = 0; i < OPS_COUNT; i++)
- ls_null (&x->ops[i]);
- for (i = 0; i < LNS_COUNT; i++)
- ls_null (&x->box[i]);
- for (i = 0; i < FSTY_COUNT; i++)
- ls_null (&x->fonts[i]);
- x->overstrike_style = OVS_SINGLE;
- x->carriage_return_style = CRS_BS;
- x->squeeze_blank_lines = 0;
- x->file.filename = NULL;
- x->file.mode = "wb";
- x->file.file = NULL;
- x->file.sequence_no = &x->page_number;
- x->file.param = x;
- x->file.postopen = postopen;
- x->file.preclose = preclose;
- x->page_number = 0;
- x->lines = NULL;
- x->lines_cap = 0;
- x->cur_font = OUTP_F_R;
-#if DEBUGGING
- x->debug = 0;
-#endif
- return 1;
-}
+ struct output_driver *d;
+ struct ascii_driver *a;
+ int paper_length;
+ int right, bottom, left, top;
-static int
-ascii_postopen_driver (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
-
- assert (this->driver_open == 0);
-
- if (NULL == x->file.filename)
- x->file.filename = xstrdup ("pspp.list");
-
- x->w = x->page_width - x->left_margin - x->right_margin;
- x->l = (x->page_length - (x->headers ? 3 : 0) - x->top_margin
- - x->bottom_margin - 1);
- if (x->w < 59 || x->l < 15)
- {
- msg (SE, _("ascii driver: Area of page excluding margins and headers "
- "must be at least 59 characters wide by 15 lines long. Page as "
- "configured is only %d characters by %d lines."), x->w, x->l);
- return 0;
- }
-
- this->res = x->lpi * x->cpi;
- this->horiz = x->lpi;
- this->vert = x->cpi;
- this->width = x->w * this->horiz;
- this->length = x->l * this->vert;
-
- if (ls_null_p (&x->ops[OPS_FORMFEED]))
- ls_create (&x->ops[OPS_FORMFEED], "\f");
- if (ls_null_p (&x->ops[OPS_NEWLINE])
- || !strcmp (ls_c_str (&x->ops[OPS_NEWLINE]), "default"))
- {
- ls_create (&x->ops[OPS_NEWLINE], "\n");
- x->file.mode = "wt";
- }
-
- {
- int i;
-
- for (i = 0; i < LNS_COUNT; i++)
- {
- char c[2];
- c[1] = 0;
- if (!ls_null_p (&x->box[i]))
- continue;
- switch (i)
- {
- case TAYSTE2BYTE (0, 0, 0, 0):
- c[0] = ' ';
- break;
-
- case TAYSTE2BYTE (0, 1, 0, 0):
- case TAYSTE2BYTE (0, 1, 0, 1):
- case TAYSTE2BYTE (0, 0, 0, 1):
- c[0] = '-';
- break;
-
- case TAYSTE2BYTE (1, 0, 0, 0):
- case TAYSTE2BYTE (1, 0, 1, 0):
- case TAYSTE2BYTE (0, 0, 1, 0):
- c[0] = '|';
- break;
-
- case TAYSTE2BYTE (0, 3, 0, 0):
- case TAYSTE2BYTE (0, 3, 0, 3):
- case TAYSTE2BYTE (0, 0, 0, 3):
- case TAYSTE2BYTE (0, 2, 0, 0):
- case TAYSTE2BYTE (0, 2, 0, 2):
- case TAYSTE2BYTE (0, 0, 0, 2):
- c[0] = '=';
- break;
-
- case TAYSTE2BYTE (3, 0, 0, 0):
- case TAYSTE2BYTE (3, 0, 3, 0):
- case TAYSTE2BYTE (0, 0, 3, 0):
- case TAYSTE2BYTE (2, 0, 0, 0):
- case TAYSTE2BYTE (2, 0, 2, 0):
- case TAYSTE2BYTE (0, 0, 2, 0):
- c[0] = '#';
- break;
-
- default:
- if (BYTE2TAYSTE (i, LNS_LEFT) > 1
- || BYTE2TAYSTE (i, LNS_TOP) > 1
- || BYTE2TAYSTE (i, LNS_RIGHT) > 1
- || BYTE2TAYSTE (i, LNS_BOTTOM) > 1)
- c[0] = '#';
- else
- c[0] = '+';
- break;
- }
- ls_create (&x->box[i], c);
- }
- }
-
- {
- int i;
-
- this->cp_x = this->cp_y = 0;
- this->font_height = this->vert;
- this->prop_em_width = this->horiz;
- this->fixed_width = this->horiz;
-
- this->horiz_line_width[0] = 0;
- this->vert_line_width[0] = 0;
-
- for (i = 1; i < OUTP_L_COUNT; i++)
- {
- this->horiz_line_width[i] = this->vert;
- this->vert_line_width[i] = this->horiz;
- }
-
- for (i = 0; i < (1 << OUTP_L_COUNT); i++)
- {
- this->horiz_line_spacing[i] = (i & ~1) ? this->vert : 0;
- this->vert_line_spacing[i] = (i & ~1) ? this->horiz : 0;
- }
- }
-
- this->driver_open = 1;
- msg (VM (2), _("%s: Initialization complete."), this->name);
-
- return 1;
-}
+ 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);
-static int
-ascii_close_driver (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
- int i;
-
- assert (this->driver_open == 1);
- msg (VM (2), _("%s: Beginning closing..."), this->name);
-
- x = this->ext;
- for (i = 0; i < OPS_COUNT; i++)
- ls_destroy (&x->ops[i]);
- for (i = 0; i < LNS_COUNT; i++)
- ls_destroy (&x->box[i]);
- for (i = 0; i < FSTY_COUNT; i++)
- ls_destroy (&x->fonts[i]);
- if (x->lines != NULL)
- {
- int line;
-
- for (line = 0; line < x->lines_cap; line++)
- free (x->lines[line].chars);
- free (x->lines);
- }
- fn_close_ext (&x->file);
- free (x->file.filename);
- free (x);
-
- this->driver_open = 0;
- msg (VM (3), _("%s: Finished closing."), this->name);
-
- return 1;
-}
+ a->chart_file_name = parse_chart_file_name (opt (d, o, "charts", file_name));
-/* Generic option types. */
-enum
- {
- pos_int_arg = -10,
- nonneg_int_arg,
- string_arg,
- font_string_arg,
- boolean_arg
- };
+ 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);
-static struct outp_option option_tab[] =
- {
- {"headers", boolean_arg, 0},
- {"output-file", 1, 0},
- {"char-set", 2, 0},
- {"length", pos_int_arg, 0},
- {"width", pos_int_arg, 1},
- {"lpi", pos_int_arg, 2},
- {"cpi", pos_int_arg, 3},
- {"init", string_arg, 0},
- {"done", string_arg, 1},
- {"left-margin", nonneg_int_arg, 0},
- {"right-margin", nonneg_int_arg, 1},
- {"top-margin", nonneg_int_arg, 2},
- {"bottom-margin", nonneg_int_arg, 3},
- {"paginate", boolean_arg, 1},
- {"form-feed-string", string_arg, 2},
- {"newline-string", string_arg, 3},
- {"italic-on", font_string_arg, 0},
- {"italic-off", font_string_arg, 1},
- {"bold-on", font_string_arg, 2},
- {"bold-off", font_string_arg, 3},
- {"bold-italic-on", font_string_arg, 4},
- {"bold-italic-off", font_string_arg, 5},
- {"overstrike-style", 3, 0},
- {"tab-width", nonneg_int_arg, 4},
- {"carriage-return-style", 4, 0},
- {"squeeze", boolean_arg, 2},
- {"", 0, 0},
- };
+ 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);
-static void
-ascii_option (struct outp_driver *this, const char *key,
- const struct string *val)
-{
- struct ascii_driver_ext *x = this->ext;
- int cat, subcat;
- const char *value;
+ 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];
- value = ds_c_str (val);
- if (!strncmp (key, "box[", 4))
- {
- char *tail;
- int indx = strtol (&key[4], &tail, 4);
- if (*tail != ']' || indx < 0 || indx > LNS_COUNT)
- {
- msg (SE, _("Bad index value for `box' key: syntax is box[INDEX], "
- "0 <= INDEX < %d decimal, with INDEX expressed in base 4."),
- LNS_COUNT);
- return;
- }
- if (!ls_null_p (&x->box[indx]))
- msg (SW, _("Duplicate value for key `%s'."), key);
- ls_create (&x->box[indx], value);
- return;
- }
+ 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", ""));
- cat = outp_match_keyword (key, option_tab, option_info, &subcat);
- switch (cat)
- {
- case 0:
- msg (SE, _("Unknown configuration parameter `%s' for ascii device driver."),
- key);
- break;
- case 1:
- free (x->file.filename);
- x->file.filename = xstrdup (value);
- break;
- case 2:
- if (!strcmp (value, "ascii"))
- x->char_set = CHS_ASCII;
- else if (!strcmp (value, "latin1"))
- x->char_set = CHS_LATIN1;
- else
- msg (SE, _("Unknown character set `%s'. Valid character sets are "
- "`ascii' and `latin1'."), value);
- break;
- case 3:
- if (!strcmp (value, "single"))
- x->overstrike_style = OVS_SINGLE;
- else if (!strcmp (value, "line"))
- x->overstrike_style = OVS_LINE;
- else
- msg (SE, _("Unknown overstrike style `%s'. Valid overstrike styles "
- "are `single' and `line'."), value);
- break;
- case 4:
- if (!strcmp (value, "bs"))
- x->carriage_return_style = CRS_BS;
- else if (!strcmp (value, "cr"))
- x->carriage_return_style = CRS_CR;
- else
- msg (SE, _("Unknown carriage return style `%s'. Valid carriage "
- "return styles are `cr' and `bs'."), value);
- break;
- case pos_int_arg:
- {
- char *tail;
- int arg;
-
- errno = 0;
- arg = strtol (value, &tail, 0);
- if (arg < 1 || errno == ERANGE || *tail)
- {
- msg (SE, _("Positive integer required as value for `%s'."), key);
- break;
- }
- switch (subcat)
- {
- case 0:
- x->page_length = arg;
- break;
- case 1:
- x->page_width = arg;
- break;
- case 2:
- x->lpi = arg;
- break;
- case 3:
- x->cpi = arg;
- break;
- default:
- assert (0);
- }
- }
- break;
- case nonneg_int_arg:
- {
- char *tail;
- int arg;
-
- errno = 0;
- arg = strtol (value, &tail, 0);
- if (arg < 0 || errno == ERANGE || *tail)
- {
- msg (SE, _("Zero or positive integer required as value for `%s'."),
- key);
- break;
- }
- switch (subcat)
- {
- case 0:
- x->left_margin = arg;
- break;
- case 1:
- x->right_margin = arg;
- break;
- case 2:
- x->top_margin = arg;
- break;
- case 3:
- x->bottom_margin = arg;
- break;
- case 4:
- x->tab_width = arg;
- break;
- default:
- assert (0);
- }
- }
- break;
- case string_arg:
- {
- struct fixed_string *s;
- switch (subcat)
- {
- case 0:
- s = &x->ops[OPS_INIT];
- break;
- case 1:
- s = &x->ops[OPS_DONE];
- break;
- case 2:
- s = &x->ops[OPS_FORMFEED];
- break;
- case 3:
- s = &x->ops[OPS_NEWLINE];
- break;
- default:
- assert (0);
- abort ();
- }
- ls_create (s, value);
- }
- break;
- case font_string_arg:
- {
- if (!strcmp (value, "overstrike"))
- {
- ls_destroy (&x->fonts[subcat]);
- return;
- }
- ls_create (&x->fonts[subcat], value);
- }
- break;
- case boolean_arg:
- {
- int setting;
- if (!strcmp (value, "on") || !strcmp (value, "true")
- || !strcmp (value, "yes") || atoi (value))
- setting = 1;
- else if (!strcmp (value, "off") || !strcmp (value, "false")
- || !strcmp (value, "no") || !strcmp (value, "0"))
- setting = 0;
- else
- {
- msg (SE, _("Boolean value expected for %s."), key);
- return;
- }
- switch (subcat)
- {
- case 0:
- x->headers = setting;
- break;
- case 1:
- x->paginate = setting;
- break;
- case 2:
- x->squeeze_blank_lines = setting;
- break;
- default:
- assert (0);
- }
- }
- break;
- default:
- assert (0);
- }
-}
+ 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;
-int
-postopen (struct file_ext *f)
-{
- struct ascii_driver_ext *x = f->param;
- struct fixed_string *s = &x->ops[OPS_INIT];
+ if (!update_page_size (a, true))
+ goto error;
- if (!ls_empty_p (s) && fwrite (ls_c_str (s), ls_length (s), 1, f->file) < 1)
- {
- msg (ME, _("ASCII output driver: %s: %s"),
- f->filename, strerror (errno));
- return 0;
- }
- return 1;
+ return d;
+
+error:
+ output_driver_destroy (d);
+ return NULL;
}
-int
-preclose (struct file_ext *f)
+static const char *
+get_default_box (int right, int bottom, int left, int top)
{
- struct ascii_driver_ext *x = f->param;
- struct fixed_string *d = &x->ops[OPS_DONE];
-
- if (!ls_empty_p (d) && fwrite (ls_c_str (d), ls_length (d), 1, f->file) < 1)
+ switch ((top << 12) | (left << 8) | (bottom << 4) | (right << 0))
{
- msg (ME, _("ASCII output driver: %s: %s"),
- f->filename, strerror (errno));
- return 0;
+ case 0x0000:
+ return " ";
+
+ case 0x0100: case 0x0101: case 0x0001:
+ return "-";
+
+ case 0x1000: case 0x1010: case 0x0010:
+ return "|";
+
+ case 0x0300: case 0x0303: case 0x0003:
+ case 0x0200: case 0x0202: case 0x0002:
+ return "=";
+
+ default:
+ return left > 1 || top > 1 || right > 1 || bottom > 1 ? "#" : "+";
}
- return 1;
}
static int
-ascii_open_page (struct outp_driver *this)
+parse_page_size (struct driver_option *option)
{
- struct ascii_driver_ext *x = this->ext;
- int i;
-
- assert (this->driver_open && !this->page_open);
- x->page_number++;
- if (!fn_open_ext (&x->file))
- {
- msg (ME, _("ASCII output driver: %s: %s"), x->file.filename,
- strerror (errno));
- return 0;
- }
+ int dim = atol (option->default_value);
- if (x->l > x->lines_cap)
+ if (option->value != NULL)
{
- x->lines = xnrealloc (x->lines, x->l, sizeof *x->lines);
- for (i = x->lines_cap; i < x->l; i++)
+ if (!strcmp (option->value, "auto"))
+ dim = -1;
+ else
{
- struct line *line = &x->lines[i];
- line->chars = NULL;
- line->char_cap = 0;
+ 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);
}
- x->lines_cap = x->l;
}
- for (i = 0; i < x->l; i++)
- x->lines[i].char_cnt = 0;
+ driver_option_destroy (option);
- this->page_open = 1;
- return 1;
+ return dim;
}
-/* Ensures that at least the first L characters of line I in the
- driver identified by struct ascii_driver_ext *X have been cleared out. */
-static inline void
-expand_line (struct ascii_driver_ext *x, int i, int l)
+static int
+vertical_margins (const struct ascii_driver *a)
{
- struct line *line;
- int j;
-
- assert (i < x->lines_cap);
- line = &x->lines[i];
- if (l > line->char_cap)
- {
- line->char_cap = l * 2;
- line->chars = xnrealloc (line->chars,
- line->char_cap, sizeof *line->chars);
- }
- for (j = line->char_cnt; j < l; j++)
- line->chars[j] = ' ';
- line->char_cnt = l;
+ return a->top_margin + a->bottom_margin + (a->headers ? 3 : 0);
}
-/* Puts line L at (H,K) in the current output page. Assumes
- struct ascii_driver_ext named `ext'. */
-#define draw_line(H, K, L) \
- ext->lines[K].chars[H] = (L) | 0x800
-
-/* Line styles for each position. */
-#define T(STYLE) (STYLE<<LNS_TOP)
-#define L(STYLE) (STYLE<<LNS_LEFT)
-#define B(STYLE) (STYLE<<LNS_BOTTOM)
-#define R(STYLE) (STYLE<<LNS_RIGHT)
-
-static void
-ascii_line_horz (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED, int style)
+/* 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 ascii_driver *a, bool issue_error)
{
- struct ascii_driver_ext *ext = this->ext;
- int x1 = r->x1 / this->horiz;
- int x2 = r->x2 / this->horiz;
- int y1 = r->y1 / this->vert;
- int x;
+ enum { MIN_WIDTH = 6, MIN_LENGTH = 6 };
- assert (this->driver_open && this->page_open);
- if (x1 == x2)
- return;
-#if DEBUGGING
- if (x1 > x2
- || x1 < 0 || x1 >= ext->w
- || x2 <= 0 || x2 > ext->w
- || y1 < 0 || y1 >= ext->l)
+ if (a->auto_width)
+ a->width = settings_get_viewwidth ();
+ if (a->auto_length)
+ a->length = settings_get_viewlength () - vertical_margins (a);
+
+ if (a->width < MIN_WIDTH || a->length < MIN_LENGTH)
{
-#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_horz: bad hline (%d,%d),%d out of (%d,%d)\n"),
- x1, x2, y1, ext->w, ext->l);
-#endif
- return;
+ if (issue_error)
+ error (0, 0,
+ _("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;
}
-#endif
- if (ext->lines[y1].char_cnt < x2)
- expand_line (ext, y1, x2);
-
- for (x = x1; x < x2; x++)
- draw_line (x, y1, (style << LNS_LEFT) | (style << LNS_RIGHT));
+ return true;
}
static void
-ascii_line_vert (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED, int style)
+ascii_destroy (struct output_driver *driver)
{
- struct ascii_driver_ext *ext = this->ext;
- int x1 = r->x1 / this->horiz;
- int y1 = r->y1 / this->vert;
- int y2 = r->y2 / this->vert;
- int y;
-
- assert (this->driver_open && this->page_open);
- if (y1 == y2)
- return;
-#if DEBUGGING
- if (y1 > y2
- || x1 < 0 || x1 >= ext->w
- || y1 < 0 || y1 >= ext->l
- || y2 < 0 || y2 > ext->l)
- {
-#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_vert: bad vline %d,(%d,%d) out of (%d,%d)\n"),
- x1, y1, y2, ext->w, ext->l);
-#endif
- return;
- }
-#endif
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ int i;
- for (y = y1; y < y2; y++)
- if (ext->lines[y].char_cnt <= x1)
- expand_line (ext, y, x1 + 1);
+ if (a->y > 0)
+ ascii_close_page (a);
- for (y = y1; y < y2; y++)
- draw_line (x1, y, (style << LNS_TOP) | (style << LNS_BOTTOM));
+ 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 < LNS_COUNT; i++)
+ free (a->box[i]);
+ free (a->init);
+ for (i = 0; i < a->allocated_lines; i++)
+ free (a->lines[i].chars);
+ free (a->lines);
+ free (a);
}
static void
-ascii_line_intersection (struct outp_driver *this, const struct rect *r,
- const struct color *c UNUSED,
- const struct outp_styles *style)
+ascii_flush (struct output_driver *driver)
{
- struct ascii_driver_ext *ext = this->ext;
- int x = r->x1 / this->horiz;
- int y = r->y1 / this->vert;
- int l;
-
- assert (this->driver_open && this->page_open);
-#if DEBUGGING
- if (x < 0 || x >= ext->w || y < 0 || y >= ext->l)
+ struct ascii_driver *a = ascii_driver_cast (driver);
+ if (a->y > 0)
{
-#if !SUPPRESS_WARNINGS
- printf (_("ascii_line_intersection: bad intsct (%d,%d) out of (%d,%d)\n"),
- x, y, ext->w, ext->l);
-#endif
- return;
- }
-#endif
-
- l = ((style->l << LNS_LEFT) | (style->r << LNS_RIGHT)
- | (style->t << LNS_TOP) | (style->b << LNS_BOTTOM));
+ ascii_close_page (a);
- if (ext->lines[y].char_cnt <= x)
- expand_line (ext, y, x + 1);
- draw_line (x, y, l);
+ if (fn_close (a->file_name, a->file) != 0)
+ error (0, errno, _("ascii: closing output file `%s'"),
+ a->file_name);
+ a->file = NULL;
+ }
}
-/* FIXME: Later we could set this up so that for certain devices it
- performs shading? */
static void
-ascii_box (struct outp_driver *this UNUSED, const struct rect *r UNUSED,
- const struct color *bord UNUSED, const struct color *fill UNUSED)
+ascii_init_caption_cell (const char *caption, struct table_cell *cell)
{
- assert (this->driver_open && this->page_open);
+ cell->contents = caption;
+ cell->options = TAB_LEFT;
+ cell->destructor = NULL;
}
-/* Polylines not supported. */
-static void
-ascii_polyline_begin (struct outp_driver *this UNUSED, const struct color *c UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
-static void
-ascii_polyline_point (struct outp_driver *this UNUSED, int x UNUSED, int y UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
static void
-ascii_polyline_end (struct outp_driver *this UNUSED)
-{
- assert (this->driver_open && this->page_open);
-}
+ascii_output_table_item (struct ascii_driver *a,
+ const struct table_item *table_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;
-static void
-ascii_text_set_font_by_name (struct outp_driver * this, const char *s)
-{
- struct ascii_driver_ext *x = this->ext;
- int len = strlen (s);
+ update_page_size (a, false);
+
+ 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;
- assert (this->driver_open && this->page_open);
- x->cur_font = OUTP_F_R;
- if (len == 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;
+ }
+
+ if (a->file == NULL && !ascii_open_page (a))
return;
- if (s[len - 1] == 'I')
+
+ 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); )
{
- if (len > 1 && s[len - 2] == 'B')
- x->cur_font = OUTP_F_BI;
- else
- x->cur_font = OUTP_F_I;
+ struct render_page *x_slice;
+ struct render_break y_break;
+
+ 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);
+ if (!ascii_open_page (a))
+ return;
+ 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);
}
- else if (s[len - 1] == 'B')
- x->cur_font = OUTP_F_B;
+ render_break_destroy (&x_break);
}
static void
-ascii_text_set_font_by_position (struct outp_driver *this, int pos)
+ascii_output_text (struct ascii_driver *a, const char *text)
{
- struct ascii_driver_ext *x = this->ext;
- assert (this->driver_open && this->page_open);
- x->cur_font = pos >= 0 && pos < 4 ? pos : 0;
+ 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_text_set_font_by_family (struct outp_driver *this UNUSED, const char *s UNUSED)
+ascii_submit (struct output_driver *driver,
+ const struct output_item *output_item)
{
- assert (this->driver_open && this->page_open);
-}
+ struct ascii_driver *a = ascii_driver_cast (driver);
-static const char *
-ascii_text_get_font_name (struct outp_driver *this)
-{
- struct ascii_driver_ext *x = this->ext;
+ output_driver_track_current_command (output_item, &a->command_name);
+
+ if (a->error)
+ return;
- assert (this->driver_open && this->page_open);
- switch (x->cur_font)
+ 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)
{
- case OUTP_F_R:
- return "R";
- case OUTP_F_I:
- return "I";
- case OUTP_F_B:
- return "B";
- case OUTP_F_BI:
- return "BI";
- default:
- assert (0);
- }
- abort ();
-}
+ struct chart_item *chart_item = to_chart_item (output_item);
+ char *file_name;
-static const char *
-ascii_text_get_font_family (struct outp_driver *this UNUSED)
-{
- assert (this->driver_open && this->page_open);
- return "";
-}
+ file_name = xr_draw_png_chart (chart_item, a->chart_file_name,
+ a->chart_cnt++);
+ if (file_name != NULL)
+ {
+ struct text_item *text_item;
-static int
-ascii_text_set_size (struct outp_driver *this, int size)
-{
- assert (this->driver_open && this->page_open);
- return size == this->vert;
-}
+ text_item = text_item_create_format (
+ TEXT_ITEM_PARAGRAPH, _("See %s for a chart."), file_name);
-static int
-ascii_text_get_size (struct outp_driver *this, int *em_width)
-{
- assert (this->driver_open && this->page_open);
- if (em_width)
- *em_width = this->horiz;
- return this->vert;
+ 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))
+ {
+ 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)
+ {
+ 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_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;
+ }
+ }
+ 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);
+ }
}
-static void text_draw (struct outp_driver *this, struct outp_text *t);
+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
+enum wrap_mode
+ {
+ WRAP_WORD,
+ WRAP_CHAR,
+ WRAP_WORD_CHAR
+ };
-/* Divides the text T->S into lines of width T->H. Sets T->V to the
- number of lines necessary. Actually draws the text if DRAW is
- nonzero.
+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);
- You probably don't want to look at this code. */
static void
-delineate (struct outp_driver *this, struct outp_text *t, int draw)
+ascii_draw_line (void *a_, int bb[TABLE_N_AXES][2],
+ enum render_line_style styles[TABLE_N_AXES][2])
{
- /* Width we're fitting everything into. */
- int width = t->h / this->horiz;
+ struct ascii_driver *a = a_;
+ unsigned short int value;
+ int x1, y1;
+ int x, y;
- /* Maximum `y' position we can write to. */
- int max_y;
-
- /* Current position in string, character following end of string. */
- const char *s = ls_c_str (&t->s);
- const char *end = ls_end (&t->s);
-
- /* Temporary struct outp_text to pass to low-level function. */
- struct outp_text temp;
+ /* 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 DEBUGGING && 0
- if (!ext->debug)
+ /* 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++)
{
- ext->debug = 1;
- printf (_("%s: horiz=%d, vert=%d\n"), this->name, this->horiz, this->vert);
+ ascii_expand_line (a, y, x1);
+ for (x = bb[H][0]; x < x1; x++)
+ a->lines[y].chars[x] = value;
}
-#endif
+}
- if (!width)
- {
- t->h = t->v = 0;
- return;
- }
+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 (draw)
+ if (strchr (cell->contents, ' '))
{
- temp.options = t->options;
- ls_shallow_copy (&temp.s, &t->s);
- temp.h = t->h / this->horiz;
- temp.x = t->x / this->horiz;
+ bb[H][1] = 1;
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, min_width, &h);
}
else
- t->y = 0;
- temp.y = t->y / this->vert;
-
- if (t->options & OUTP_T_VERT)
- max_y = (t->v / this->vert) + temp.y - 1;
- else
- max_y = INT_MAX;
-
- while (end - s > width)
- {
- const char *beg = s;
- const char *space;
-
- /* Find first space before &s[width]. */
- space = &s[width];
- for (;;)
- {
- if (space > s)
- {
- if (!isspace ((unsigned char) space[-1]))
- {
- space--;
- continue;
- }
- else
- s = space;
- }
- else
- s = space = &s[width];
- break;
- }
+ *min_width = *max_width;
+}
- /* Draw text. */
- if (draw)
- {
- ls_init (&temp.s, beg, space - beg);
- temp.w = space - beg;
- text_draw (this, &temp);
- }
- if (++temp.y > max_y)
- return;
-
- /* Find first nonspace after space. */
- while (s < end && isspace ((unsigned char) *s))
- s++;
- }
- if (s < end)
- {
- if (draw)
- {
- ls_init (&temp.s, s, end - s);
- temp.w = end - s;
- text_draw (this, &temp);
- }
- temp.y++;
- }
+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;
- t->v = (temp.y * this->vert) - t->y;
+ 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_text_metrics (struct outp_driver *this, struct outp_text *t)
+ascii_draw_cell (void *a_, const struct table_cell *cell,
+ int bb[TABLE_N_AXES][2], int clip[TABLE_N_AXES][2])
{
- assert (this->driver_open && this->page_open);
- if (!(t->options & OUTP_T_HORZ))
- {
- t->v = this->vert;
- t->h = ls_length (&t->s) * this->horiz;
- }
- else
- delineate (this, t, 0);
+ struct ascii_driver *a = a_;
+ int w, h;
+
+ ascii_layout_cell (a, cell, bb, clip, WRAP_WORD, &w, &h);
}
+/* Ensures that at least the first LENGTH characters of line Y in
+ ascii driver A have been cleared out. */
static void
-ascii_text_draw (struct outp_driver *this, struct outp_text *t)
+ascii_expand_line (struct ascii_driver *a, int y, int length)
{
- /* FIXME: orientations not supported. */
- assert (this->driver_open && this->page_open);
- if (!(t->options & OUTP_T_HORZ))
+ struct ascii_line *line = &a->lines[y];
+ if (line->n_chars < length)
{
- struct outp_text temp;
-
- temp.options = t->options;
- temp.s = t->s;
- temp.h = temp.v = 0;
- temp.x = t->x / this->horiz;
- temp.y = t->y / this->vert;
- text_draw (this, &temp);
- ascii_text_metrics (this, t);
-
- return;
+ int x;
+ 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;
}
- delineate (this, t, 1);
}
static void
-text_draw (struct outp_driver *this, struct outp_text *t)
-{
- struct ascii_driver_ext *ext = this->ext;
- unsigned attr = ext->cur_font << 8;
-
- int x = t->x;
- int y = t->y;
-
- char *s = ls_c_str (&t->s);
+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)
+{
+ 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;
- /* Expand the line with the assumption that S takes up LEN character
- spaces (sometimes it takes up less). */
- int min_len;
+ y += a->y;
+ if (y < y0 || y >= y1)
+ return;
- assert (this->driver_open && this->page_open);
- switch (t->options & OUTP_T_JUST_MASK)
+ switch (cell->options & TAB_ALIGNMENT)
{
- case OUTP_T_JUST_LEFT:
+ case TAB_LEFT:
+ x = bb[H][0];
+ break;
+ case TAB_CENTER:
+ x = (bb[H][0] + bb[H][1] - n + 1) / 2;
break;
- case OUTP_T_JUST_CENTER:
- x -= (t->h - t->w) / 2; /* fall through */
- case OUTP_T_JUST_RIGHT:
- x += (t->h - t->w);
+ case TAB_RIGHT:
+ x = bb[H][1] - n;
break;
default:
- assert (0);
+ NOT_REACHED ();
}
- if (!(t->y < ext->l && x < ext->w))
- return;
- min_len = min (x + ls_length (&t->s), ext->w);
- if (ext->lines[t->y].char_cnt < min_len)
- expand_line (ext, t->y, min_len);
+ if (x0 > x)
+ {
+ n -= x0 - x;
+ if (n <= 0)
+ return;
+ string += x0 - x;
+ x = x0;
+ }
+ if (x + n >= x1)
+ n = x1 - x;
- {
- int len = ls_length (&t->s);
+ if (n > 0)
+ {
+ int attr = cell->options & TAB_EMPH ? ATTR_EMPHASIS : 0;
+ size_t i;
- if (len + x > ext->w)
- len = ext->w - x;
- while (len--)
- ext->lines[y].chars[x++] = *s++ | attr;
- }
+ ascii_expand_line (a, y, x + n);
+ for (i = 0; i < n; i++)
+ a->lines[y].chars[x + i] = string[i] | attr;
+ }
}
-\f
-/* ascii_close_page () and support routines. */
-
-#define LINE_BUF_SIZE 1024
-static char *line_buf;
-static char *line_p;
-static inline int
-commit_line_buf (struct outp_driver *this)
+static void
+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)
{
- struct ascii_driver_ext *x = this->ext;
-
- if ((int) fwrite (line_buf, 1, line_p - line_buf, x->file.file)
- < line_p - line_buf)
+ size_t length = strlen (cell->contents);
+ int y, pos;
+
+ *width = 0;
+ pos = 0;
+ for (y = bb[V][0]; y < bb[V][1] && pos < length; y++)
{
- msg (ME, _("Writing `%s': %s"), x->file.filename, strerror (errno));
- return 0;
- }
+ const char *line = &cell->contents[pos];
+ const char *new_line;
+ size_t line_len;
- line_p = line_buf;
- return 1;
-}
+ /* 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;
-/* Writes everything from BP to EP exclusive into line_buf, or to
- THIS->output if line_buf overflows. */
-static inline void
-output_string (struct outp_driver *this, const char *bp, const char *ep)
-{
- if (LINE_BUF_SIZE - (line_p - line_buf) >= ep - bp)
- {
- memcpy (line_p, bp, ep - bp);
- line_p += ep - bp;
+ /* Word wrap. */
+ if (pos + line_len < length && wrap != WRAP_CHAR)
+ {
+ size_t space_len = line_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. */
+ text_draw (a, cell, bb, clip, y, line, line_len);
+
+ /* Next line. */
+ pos += line_len;
+ if (pos < length && isspace ((unsigned char) cell->contents[pos]))
+ pos++;
}
- else
- while (bp < ep)
- {
- if (LINE_BUF_SIZE - (line_p - line_buf) <= 1 && !commit_line_buf (this))
- return;
- *line_p++ = *bp++;
- }
+ *height = y - bb[V][0];
}
+\f
+/* ascii_close_page () and support routines. */
-/* Writes everything from BP to EP exclusive into line_buf, or to
- THIS->output if line_buf overflows. Returns 1 if additional passes
- over the line are required. FIXME: probably could do a lot of
- optimization here. */
-static inline int
-output_shorts (struct outp_driver *this,
- const unsigned short *bp, const unsigned short *ep)
+static bool
+ascii_open_page (struct ascii_driver *a)
{
- struct ascii_driver_ext *ext = this->ext;
- size_t remaining = LINE_BUF_SIZE - (line_p - line_buf);
- int result = 0;
+ int i;
+
+ if (a->error)
+ return false;
- for (; bp < ep; bp++)
+ if (a->file == NULL)
{
- if (*bp & 0x800)
- {
- struct fixed_string *box = &ext->box[*bp & 0xff];
- size_t len = ls_length (box);
-
- if (remaining >= len)
- {
- memcpy (line_p, ls_c_str (box), len);
- line_p += len;
- remaining -= len;
- }
- else
- {
- if (!commit_line_buf (this))
- return 0;
- output_string (this, ls_c_str (box), ls_end (box));
- remaining = LINE_BUF_SIZE - (line_p - line_buf);
- }
- }
- else if (*bp & 0x0300)
- {
- struct fixed_string *on;
- char buf[5];
- int len;
-
- switch (*bp & 0x0300)
- {
- case OUTP_F_I << 8:
- on = &ext->fonts[FSTY_ON | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (!on)
- {
- if (ext->overstrike_style == OVS_SINGLE)
- switch (*bp & 0x0300)
- {
- case OUTP_F_I << 8:
- buf[0] = '_';
- buf[1] = '\b';
- buf[2] = *bp;
- len = 3;
- break;
- case OUTP_F_B << 8:
- buf[0] = *bp;
- buf[1] = '\b';
- buf[2] = *bp;
- len = 3;
- break;
- case OUTP_F_BI << 8:
- buf[0] = '_';
- buf[1] = '\b';
- buf[2] = *bp;
- buf[3] = '\b';
- buf[4] = *bp;
- len = 5;
- break;
- default:
- assert (0);
- abort ();
- }
- else
- {
- buf[0] = *bp;
- result = len = 1;
- }
- }
- else
- {
- buf[0] = *bp;
- len = 1;
- }
- output_string (this, buf, &buf[len]);
- }
- else if (remaining)
- {
- *line_p++ = *bp;
- remaining--;
- }
+ 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
- {
- if (!commit_line_buf (this))
- return 0;
- remaining = LINE_BUF_SIZE - (line_p - line_buf);
- *line_p++ = *bp;
- }
+ {
+ error (0, errno, _("ascii: opening output file `%s'"),
+ a->file_name);
+ a->error = true;
+ return false;
+ }
}
- return result;
-}
+ a->page_number++;
-/* Writes CH into line_buf N times, or to THIS->output if line_buf
- overflows. */
-static inline void
-output_char (struct outp_driver *this, int n, char ch)
-{
- if (LINE_BUF_SIZE - (line_p - line_buf) >= n)
+ if (a->length > a->allocated_lines)
{
- memset (line_p, ch, n);
- line_p += n;
+ 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;
}
- else
- while (n--)
- {
- if (LINE_BUF_SIZE - (line_p - line_buf) <= 1 && !commit_line_buf (this))
- return;
- *line_p++ = ch;
- }
+
+ for (i = 0; i < a->length; i++)
+ a->lines[i].n_chars = 0;
+
+ return true;
}
-/* Advance the carriage from column 0 to the left margin. */
+/* Writes LINE to A's output file. */
static void
-advance_to_left_margin (struct outp_driver *this)
+output_line (struct ascii_driver *a, const struct ascii_line *line)
{
- struct ascii_driver_ext *ext = this->ext;
- int margin;
+ size_t length;
+ size_t i;
- margin = ext->left_margin;
- if (margin == 0)
- return;
- if (ext->tab_width && margin >= ext->tab_width)
+ length = line->n_chars;
+ while (length > 0 && line->chars[length - 1] == ' ')
+ length--;
+
+ for (i = 0; i < length; i++)
{
- output_char (this, margin / ext->tab_width, '\t');
- margin %= ext->tab_width;
+ 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;
+ }
}
- if (margin)
- output_char (this, margin, ' ');
+
+ putc ('\n', a->file);
}
-/* Move the output file carriage N_CHARS left, to the left margin. */
static void
-return_carriage (struct outp_driver *this, int n_chars)
+output_title_line (FILE *out, int width, const char *left, const char *right)
{
- struct ascii_driver_ext *ext = this->ext;
-
- switch (ext->carriage_return_style)
+ struct string s = DS_EMPTY_INITIALIZER;
+ ds_put_char_multiple (&s, ' ', width);
+ if (left != NULL)
{
- case CRS_BS:
- output_char (this, n_chars, '\b');
- break;
- case CRS_CR:
- output_char (this, 1, '\r');
- advance_to_left_margin (this);
- break;
- default:
- assert (0);
- abort ();
+ 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_char (&s, '\n');
+ fputs (ds_cstr (&s), out);
+ ds_destroy (&s);
}
-/* Writes COUNT lines from the line buffer in THIS, starting at line
- number FIRST. */
static void
-output_lines (struct outp_driver *this, int first, int count)
+ascii_close_page (struct ascii_driver *a)
{
- struct ascii_driver_ext *ext = this->ext;
- int line_num;
-
- struct fixed_string *newline = &ext->ops[OPS_NEWLINE];
+ bool any_blank;
+ int i, y;
- int n_chars;
- int n_passes;
-
- if (NULL == ext->file.file)
+ a->y = 0;
+ if (a->file == NULL)
return;
- /* Iterate over all the lines to be output. */
- for (line_num = first; line_num < first + count; line_num++)
- {
- struct line *line = &ext->lines[line_num];
- unsigned short *p = line->chars;
- unsigned short *end_p = p + line->char_cnt;
- unsigned short *bp, *ep;
- unsigned short attr = 0;
-
- assert (end_p >= p);
-
- /* Squeeze multiple blank lines into a single blank line if
- requested. */
- if (ext->squeeze_blank_lines
- && line_num > first
- && ext->lines[line_num].char_cnt == 0
- && ext->lines[line_num - 1].char_cnt == 0)
- continue;
-
- /* Output every character in the line in the appropriate
- manner. */
- n_passes = 1;
- bp = ep = p;
- n_chars = 0;
- advance_to_left_margin (this);
- for (;;)
- {
- while (ep < end_p && attr == (*ep & 0x0300))
- ep++;
- if (output_shorts (this, bp, ep))
- n_passes = 2;
- n_chars += ep - bp;
- bp = ep;
-
- if (bp >= end_p)
- break;
-
- /* Turn off old font. */
- if (attr != (OUTP_F_R << 8))
- {
- struct fixed_string *off;
-
- switch (attr)
- {
- case OUTP_F_I << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- off = &ext->fonts[FSTY_OFF | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (off)
- output_string (this, ls_c_str (off), ls_end (off));
- }
-
- /* Turn on new font. */
- attr = (*bp & 0x0300);
- if (attr != (OUTP_F_R << 8))
- {
- struct fixed_string *on;
-
- switch (attr)
- {
- case OUTP_F_I << 8:
- on = &ext->fonts[FSTY_ON | FSTY_ITALIC];
- break;
- case OUTP_F_B << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD];
- break;
- case OUTP_F_BI << 8:
- on = &ext->fonts[FSTY_ON | FSTY_BOLD_ITALIC];
- break;
- default:
- assert (0);
- abort ();
- }
- if (on)
- output_string (this, ls_c_str (on), ls_end (on));
- }
-
- ep = bp + 1;
- }
- if (n_passes > 1)
- {
- char ch;
-
- return_carriage (this, n_chars);
- n_chars = 0;
- bp = ep = p;
- for (;;)
- {
- while (ep < end_p && (*ep & 0x0300) == (OUTP_F_R << 8))
- ep++;
- if (ep >= end_p)
- break;
- output_char (this, ep - bp, ' ');
-
- switch (*ep & 0x0300)
- {
- case OUTP_F_I << 8:
- ch = '_';
- break;
- case OUTP_F_B << 8:
- ch = *ep;
- break;
- case OUTP_F_BI << 8:
- ch = *ep;
- n_passes = 3;
- break;
- default:
- assert (0);
- abort ();
- }
- output_char (this, 1, ch);
- n_chars += ep - bp + 1;
- bp = ep + 1;
- ep = bp;
- }
- }
- if (n_passes > 2)
- {
- return_carriage (this, n_chars);
- bp = ep = p;
- for (;;)
- {
- while (ep < end_p && (*ep & 0x0300) != (OUTP_F_BI << 8))
- ep++;
- if (ep >= end_p)
- break;
- output_char (this, ep - bp, ' ');
- output_char (this, 1, '_');
- bp = ep + 1;
- ep = bp;
- }
- }
-
- output_string (this, ls_c_str (newline), ls_end (newline));
- }
-}
-
+ if (!a->top_margin && !a->bottom_margin && a->squeeze_blank_lines
+ && !a->paginate && a->page_number > 1)
+ putc ('\n', a->file);
-static int
-ascii_close_page (struct outp_driver *this)
-{
- static int s_len;
+ for (i = 0; i < a->top_margin; i++)
+ putc ('\n', a->file);
+ if (a->headers)
+ {
+ char *r1, *r2;
- struct ascii_driver_ext *x = this->ext;
- int nl_len, ff_len, total_len;
- char *cp;
- int i;
+ r1 = xasprintf (_("%s - Page %d"), get_start_date (), a->page_number);
+ r2 = xasprintf ("%s - %s" , version, host_system);
- assert (this->driver_open && this->page_open);
-
- if (!line_buf)
- line_buf = xmalloc (LINE_BUF_SIZE);
- line_p = line_buf;
+ output_title_line (a->file, a->width, a->title, r1);
+ output_title_line (a->file, a->width, a->subtitle, r2);
+ putc ('\n', a->file);
- nl_len = ls_length (&x->ops[OPS_NEWLINE]);
- if (x->top_margin)
- {
- total_len = x->top_margin * nl_len;
- if (s_len < total_len)
- {
- s_len = total_len;
- s = xrealloc (s, s_len);
- }
- for (cp = s, i = 0; i < x->top_margin; i++)
- {
- memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- cp += nl_len;
- }
- output_string (this, s, &s[total_len]);
+ free (r1);
+ free (r2);
}
- if (x->headers)
- {
- int len;
-
- total_len = nl_len + x->w;
- if (s_len < total_len + 1)
- {
- s_len = total_len + 1;
- s = xrealloc (s, s_len);
- }
-
- memset (s, ' ', x->w);
-
- {
- char temp[40];
-
- snprintf (temp, 80, _("%s - Page %d"), get_start_date (),
- x->page_number);
- memcpy (&s[x->w - strlen (temp)], temp, strlen (temp));
- }
-
- if (outp_title && outp_subtitle)
- {
- len = min ((int) strlen (outp_title), x->w);
- memcpy (s, outp_title, len);
- }
- memcpy (&s[x->w], ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- output_string (this, s, &s[total_len]);
-
- memset (s, ' ', x->w);
- len = strlen (version) + 3 + strlen (host_system);
- if (len < x->w)
- sprintf (&s[x->w - len], "%s - %s" , version, host_system);
- if (outp_subtitle || outp_title)
- {
- char *string = outp_subtitle ? outp_subtitle : outp_title;
- len = min ((int) strlen (string), x->w);
- memcpy (s, string, len);
- }
- memcpy (&s[x->w], ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- output_string (this, s, &s[total_len]);
- output_string (this, &s[x->w], &s[total_len]);
- }
- if (line_p != line_buf && !commit_line_buf (this))
- return 0;
-
- output_lines (this, 0, x->l);
- ff_len = ls_length (&x->ops[OPS_FORMFEED]);
- total_len = x->bottom_margin * nl_len + ff_len;
- if (s_len < total_len)
- s = xrealloc (s, total_len);
- for (cp = s, i = 0; i < x->bottom_margin; i++)
+ any_blank = false;
+ for (y = 0; y < a->allocated_lines; y++)
{
- memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
- cp += nl_len;
- }
- memcpy (cp, ls_c_str (&x->ops[OPS_FORMFEED]), ff_len);
- if ( x->paginate )
- output_string (this, s, &s[total_len]);
-
- if (line_p != line_buf && !commit_line_buf (this))
- return 0;
-
- this->page_open = 0;
- return 1;
-}
-
+ struct ascii_line *line = &a->lines[y];
+ if (a->squeeze_blank_lines && y > 0 && line->n_chars == 0)
+ any_blank = true;
+ else
+ {
+ if (any_blank)
+ {
+ putc ('\n', a->file);
+ any_blank = false;
+ }
-static void
-ascii_chart_initialise(struct outp_driver *d UNUSED, struct chart *ch )
-{
- msg(MW, _("Charts are unsupported with ascii drivers."));
- ch->lp = 0;
-}
+ output_line (a, line);
+ }
+ }
+ if (!a->squeeze_blank_lines)
+ for (y = a->allocated_lines; y < a->length; y++)
+ putc ('\n', a->file);
-static void
-ascii_chart_finalise(struct outp_driver *d UNUSED, struct chart *ch UNUSED)
-{
-
+ for (i = 0; i < a->bottom_margin; i++)
+ putc ('\n', a->file);
+ if (a->paginate)
+ putc ('\f', a->file);
}
-
-struct outp_class ascii_class =
-{
- "ascii",
- 0,
- 0,
-
- ascii_open_global,
- ascii_close_global,
- ascii_font_sizes,
-
- ascii_preopen_driver,
- ascii_option,
- ascii_postopen_driver,
- ascii_close_driver,
-
- ascii_open_page,
- ascii_close_page,
-
- NULL,
-
- ascii_line_horz,
- ascii_line_vert,
- ascii_line_intersection,
-
- ascii_box,
- ascii_polyline_begin,
- ascii_polyline_point,
- ascii_polyline_end,
-
- ascii_text_set_font_by_name,
- ascii_text_set_font_by_position,
- ascii_text_set_font_by_family,
- ascii_text_get_font_name,
- ascii_text_get_font_family,
- ascii_text_set_size,
- ascii_text_get_size,
- ascii_text_metrics,
- ascii_text_draw,
-
- ascii_chart_initialise,
- ascii_chart_finalise
-};
projects / pspp / blobdiff