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., 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ 02110-1301, USA. */
#include <config.h>
-#include <assert.h>
+#include "error.h"
#include <ctype.h>
#include <errno.h>
#include <limits.h>
FSTY_COUNT = 6 /* Number of font styles. */
};
+/* A line of text. */
+struct line
+ {
+ unsigned short *chars; /* Characters and attributes. */
+ int char_cnt; /* Length. */
+ int char_cap; /* Allocated bytes. */
+ };
+
/* ASCII output driver extension record. */
struct ascii_driver_ext
{
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 len_string ops[OPS_COUNT]; /* Basic output strings. */
- struct len_string box[LNS_COUNT]; /* Line & box drawing characters. */
- struct len_string fonts[FSTY_COUNT]; /* Font styles; NULL=overstrike. */
+ 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. */
/* Internal state. */
struct file_ext file; /* Output file. */
int page_number; /* Current page number. */
- unsigned short *page; /* Page content. */
- int page_size; /* Number of bytes allocated for page, attr. */
- int *line_len; /* Length of each line in page, attr. */
- int line_len_size; /* Number of ints allocated for line_len. */
+ struct line *lines; /* Page content. */
+ int lines_cap; /* Number of lines allocated. */
int w, l; /* Actual width & length w/o margins, etc. */
- int n_output; /* Number of lines output so far. */
int cur_font; /* Current font by OUTP_F_*. */
#if GLOBAL_DEBUGGING
int debug; /* Set by som_text_draw(). */
#endif
};
-static struct pool *ascii_pool;
-
static int postopen (struct file_ext *);
static int preclose (struct file_ext *);
+static struct outp_option_info *option_info;
+
static int
-ascii_open_global (struct outp_class *this unused)
+ascii_open_global (struct outp_class *this UNUSED)
{
- ascii_pool = pool_create ();
+ option_info = xmalloc ( sizeof (struct outp_option_info ) ) ;
+ option_info->initial = 0;
+ option_info->options = 0;
return 1;
}
+
+static unsigned char *s=0;
static int
-ascii_close_global (struct outp_class *this unused)
+ascii_close_global (struct outp_class *this UNUSED)
{
- pool_destroy (ascii_pool);
+ free(option_info->initial);
+ free(option_info->options);
+ free(option_info);
+ free(s);
return 1;
}
static int *
-ascii_font_sizes (struct outp_class *this unused, int *n_valid_sizes)
+ascii_font_sizes (struct outp_class *this UNUSED, int *n_valid_sizes)
{
static int valid_sizes[] = {12, 12, 0, 0};
x->file.postopen = postopen;
x->file.preclose = preclose;
x->page_number = 0;
- x->page = NULL;
- x->page_size = 0;
- x->line_len = NULL;
- x->line_len_size = 0;
- x->n_output = 0;
+ x->lines = NULL;
+ x->lines_cap = 0;
x->cur_font = OUTP_F_R;
#if GLOBAL_DEBUGGING
x->debug = 0;
this->length = x->l * this->vert;
if (ls_null_p (&x->ops[OPS_FORMFEED]))
- ls_create (ascii_pool, &x->ops[OPS_FORMFEED], "\f");
+ ls_create (&x->ops[OPS_FORMFEED], "\f");
if (ls_null_p (&x->ops[OPS_NEWLINE])
- || !strcmp (ls_value (&x->ops[OPS_NEWLINE]), "default"))
+ || !strcmp (ls_c_str (&x->ops[OPS_NEWLINE]), "default"))
{
- ls_create (ascii_pool, &x->ops[OPS_NEWLINE], "\n");
+ ls_create (&x->ops[OPS_NEWLINE], "\n");
x->file.mode = "wt";
}
c[0] = '+';
break;
}
- ls_create (ascii_pool, &x->box[i], c);
+ ls_create (&x->box[i], c);
}
}
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;
- free (x->page);
- free (x->line_len);
+ 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);
{"squeeze", boolean_arg, 2},
{"", 0, 0},
};
-static struct outp_option_info option_info;
static void
ascii_option (struct outp_driver *this, const char *key,
int cat, subcat;
const char *value;
- value = ds_value (val);
+ value = ds_c_str (val);
if (!strncmp (key, "box[", 4))
{
char *tail;
}
if (!ls_null_p (&x->box[indx]))
msg (SW, _("Duplicate value for key `%s'."), key);
- ls_create (ascii_pool, &x->box[indx], value);
+ ls_create (&x->box[indx], value);
return;
}
- cat = outp_match_keyword (key, option_tab, &option_info, &subcat);
+ cat = outp_match_keyword (key, option_tab, option_info, &subcat);
switch (cat)
{
case 0:
break;
case string_arg:
{
- struct len_string *s;
+ struct fixed_string *s;
switch (subcat)
{
case 0:
break;
default:
assert (0);
+ abort ();
}
- ls_create (ascii_pool, s, value);
+ ls_create (s, value);
}
break;
case font_string_arg:
{
if (!strcmp (value, "overstrike"))
{
- ls_destroy (ascii_pool, &x->fonts[subcat]);
+ ls_destroy (&x->fonts[subcat]);
return;
}
- ls_create (ascii_pool, &x->fonts[subcat], value);
+ ls_create (&x->fonts[subcat], value);
}
break;
case boolean_arg:
postopen (struct file_ext *f)
{
struct ascii_driver_ext *x = f->param;
- struct len_string *s = &x->ops[OPS_INIT];
+ struct fixed_string *s = &x->ops[OPS_INIT];
- if (!ls_empty_p (s) && fwrite (ls_value (s), ls_length (s), 1, f->file) < 1)
+ 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));
preclose (struct file_ext *f)
{
struct ascii_driver_ext *x = f->param;
- struct len_string *d = &x->ops[OPS_DONE];
+ struct fixed_string *d = &x->ops[OPS_DONE];
- if (!ls_empty_p (d) && fwrite (ls_value (d), ls_length (d), 1, f->file) < 1)
+ if (!ls_empty_p (d) && fwrite (ls_c_str (d), ls_length (d), 1, f->file) < 1)
{
msg (ME, _("ASCII output driver: %s: %s"),
f->filename, strerror (errno));
ascii_open_page (struct outp_driver *this)
{
struct ascii_driver_ext *x = this->ext;
- int req_page_size;
+ int i;
assert (this->driver_open && !this->page_open);
x->page_number++;
return 0;
}
- req_page_size = x->w * x->l;
- if (req_page_size > x->page_size || req_page_size / 2 < x->page_size)
- {
- x->page_size = req_page_size;
- x->page = xrealloc (x->page, sizeof *x->page * req_page_size);
- }
-
- if (x->l > x->line_len_size)
+ if (x->l > x->lines_cap)
{
- x->line_len_size = x->l;
- x->line_len = xrealloc (x->line_len,
- sizeof *x->line_len * x->line_len_size);
+ x->lines = xrealloc (x->lines, sizeof *x->lines * x->l);
+ for (i = x->lines_cap; i < x->l; i++)
+ {
+ struct line *line = &x->lines[i];
+ line->chars = NULL;
+ line->char_cap = 0;
+ }
+ x->lines_cap = x->l;
}
- memset (x->line_len, 0, sizeof *x->line_len * x->l);
+ for (i = 0; i < x->l; i++)
+ x->lines[i].char_cnt = 0;
this->page_open = 1;
return 1;
static inline void
expand_line (struct ascii_driver_ext *x, int i, int l)
{
- int limit = i * x->w + l;
+ struct line *line;
int j;
- for (j = i * x->w + x->line_len[i]; j < limit; j++)
- x->page[j] = ' ';
- x->line_len[i] = l;
+ assert (i < x->lines_cap);
+ line = &x->lines[i];
+ if (l > line->char_cap)
+ {
+ line->char_cap = l * 2;
+ line->chars = xrealloc (line->chars,
+ line->char_cap * sizeof *line->chars);
+ }
+ for (j = line->char_cnt; j < l; j++)
+ line->chars[j] = ' ';
+ line->char_cnt = l;
}
/* 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->page[ext->w * (K) + (H)] = (L) | 0x800
+ ext->lines[K].chars[H] = (L) | 0x800
/* Line styles for each position. */
#define T(STYLE) (STYLE<<LNS_TOP)
static void
ascii_line_horz (struct outp_driver *this, const struct rect *r,
- const struct color *c unused, int style)
+ const struct color *c UNUSED, int style)
{
struct ascii_driver_ext *ext = this->ext;
int x1 = r->x1 / this->horiz;
}
#endif
- if (ext->line_len[y1] < x2)
+ if (ext->lines[y1].char_cnt < x2)
expand_line (ext, y1, x2);
for (x = x1; x < x2; x++)
static void
ascii_line_vert (struct outp_driver *this, const struct rect *r,
- const struct color *c unused, int style)
+ const struct color *c UNUSED, int style)
{
struct ascii_driver_ext *ext = this->ext;
int x1 = r->x1 / this->horiz;
#endif
for (y = y1; y < y2; y++)
- if (ext->line_len[y] <= x1)
+ if (ext->lines[y].char_cnt <= x1)
expand_line (ext, y, x1 + 1);
for (y = y1; y < y2; y++)
static void
ascii_line_intersection (struct outp_driver *this, const struct rect *r,
- const struct color *c unused,
+ const struct color *c UNUSED,
const struct outp_styles *style)
{
struct ascii_driver_ext *ext = this->ext;
l = ((style->l << LNS_LEFT) | (style->r << LNS_RIGHT)
| (style->t << LNS_TOP) | (style->b << LNS_BOTTOM));
- if (ext->line_len[y] <= x)
+ if (ext->lines[y].char_cnt <= x)
expand_line (ext, y, x + 1);
draw_line (x, y, l);
}
/* 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_box (struct outp_driver *this UNUSED, const struct rect *r UNUSED,
+ const struct color *bord UNUSED, const struct color *fill UNUSED)
{
assert (this->driver_open && this->page_open);
}
/* Polylines not supported. */
static void
-ascii_polyline_begin (struct outp_driver *this unused, const struct color *c unused)
+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)
+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)
+ascii_polyline_end (struct outp_driver *this UNUSED)
{
assert (this->driver_open && this->page_open);
}
}
static void
-ascii_text_set_font_by_family (struct outp_driver *this unused, const char *s unused)
+ascii_text_set_font_by_family (struct outp_driver *this UNUSED, const char *s UNUSED)
{
assert (this->driver_open && this->page_open);
}
}
static const char *
-ascii_text_get_font_family (struct outp_driver *this unused)
+ascii_text_get_font_family (struct outp_driver *this UNUSED)
{
assert (this->driver_open && this->page_open);
return "";
int max_y;
/* Current position in string, character following end of string. */
- const char *s = ls_value (&t->s);
+ 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. */
unsigned attr = ext->cur_font << 8;
int x = t->x;
- int y = t->y * ext->w;
+ int y = t->y;
- char *s = ls_value (&t->s);
+ char *s = ls_c_str (&t->s);
/* Expand the line with the assumption that S takes up LEN character
spaces (sometimes it takes up less). */
if (!(t->y < ext->l && x < ext->w))
return;
min_len = min (x + ls_length (&t->s), ext->w);
- if (ext->line_len[t->y] < min_len)
+ if (ext->lines[t->y].char_cnt < min_len)
expand_line (ext, t->y, min_len);
{
if (len + x > ext->w)
len = ext->w - x;
while (len--)
- ext->page[y + x++] = *s++ | attr;
+ ext->lines[y].chars[x++] = *s++ | attr;
}
}
\f
{
if (*bp & 0x800)
{
- struct len_string *box = &ext->box[*bp & 0xff];
+ struct fixed_string *box = &ext->box[*bp & 0xff];
size_t len = ls_length (box);
if (remaining >= len)
{
- memcpy (line_p, ls_value (box), len);
+ memcpy (line_p, ls_c_str (box), len);
line_p += len;
remaining -= len;
}
{
if (!commit_line_buf (this))
return 0;
- output_string (this, ls_value (box), ls_end (box));
+ output_string (this, ls_c_str (box), ls_end (box));
remaining = LINE_BUF_SIZE - (line_p - line_buf);
}
}
else if (*bp & 0x0300)
{
- struct len_string *on;
+ struct fixed_string *on;
char buf[5];
int len;
break;
default:
assert (0);
+ abort ();
}
if (!on)
{
break;
default:
assert (0);
+ abort ();
}
else
{
break;
default:
assert (0);
+ abort ();
}
}
struct ascii_driver_ext *ext = this->ext;
int line_num;
- struct len_string *newline = &ext->ops[OPS_NEWLINE];
+ struct fixed_string *newline = &ext->ops[OPS_NEWLINE];
int n_chars;
int n_passes;
/* Iterate over all the lines to be output. */
for (line_num = first; line_num < first + count; line_num++)
{
- unsigned short *p = &ext->page[ext->w * line_num];
- unsigned short *end_p = p + ext->line_len[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;
requested. */
if (ext->squeeze_blank_lines
&& line_num > first
- && ext->line_len[line_num] == 0
- && ext->line_len[line_num - 1] == 0)
+ && 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
/* Turn off old font. */
if (attr != (OUTP_F_R << 8))
{
- struct len_string *off;
+ struct fixed_string *off;
switch (attr)
{
break;
default:
assert (0);
+ abort ();
}
if (off)
- output_string (this, ls_value (off), ls_end (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 len_string *on;
+ struct fixed_string *on;
switch (attr)
{
break;
default:
assert (0);
+ abort ();
}
if (on)
- output_string (this, ls_value (on), ls_end (on));
+ output_string (this, ls_c_str (on), ls_end (on));
}
ep = bp + 1;
ch = *ep;
n_passes = 3;
break;
+ default:
+ assert (0);
+ abort ();
}
output_char (this, 1, ch);
n_chars += ep - bp + 1;
}
}
- output_string (this, ls_value (newline), ls_end (newline));
+ output_string (this, ls_c_str (newline), ls_end (newline));
}
}
+
static int
ascii_close_page (struct outp_driver *this)
{
- static unsigned char *s;
static int s_len;
struct ascii_driver_ext *x = this->ext;
}
for (cp = s, i = 0; i < x->top_margin; i++)
{
- memcpy (cp, ls_value (&x->ops[OPS_NEWLINE]), nl_len);
+ memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
cp += nl_len;
}
output_string (this, s, &s[total_len]);
len = min ((int) strlen (outp_title), x->w);
memcpy (s, outp_title, len);
}
- memcpy (&s[x->w], ls_value (&x->ops[OPS_NEWLINE]), nl_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 = min ((int) strlen (string), x->w);
memcpy (s, string, len);
}
- memcpy (&s[x->w], ls_value (&x->ops[OPS_NEWLINE]), nl_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, x->n_output, x->l - x->n_output);
+ output_lines (this, 0, x->l);
ff_len = ls_length (&x->ops[OPS_FORMFEED]);
total_len = x->bottom_margin * nl_len + ff_len;
s = xrealloc (s, total_len);
for (cp = s, i = 0; i < x->bottom_margin; i++)
{
- memcpy (cp, ls_value (&x->ops[OPS_NEWLINE]), nl_len);
+ memcpy (cp, ls_c_str (&x->ops[OPS_NEWLINE]), nl_len);
cp += nl_len;
}
- memcpy (cp, ls_value (&x->ops[OPS_FORMFEED]), ff_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))
+ {
+ free(s);
+ s=0;
return 0;
+ }
- x->n_output = 0;
-
this->page_open = 0;
return 1;
}
+
+
+static void
+ascii_chart_initialise(struct outp_driver *d UNUSED, struct chart *ch )
+{
+ msg(MW, _("Charts are unsupported with ascii drivers."));
+ ch->lp = 0;
+}
+
+static void
+ascii_chart_finalise(struct outp_driver *d UNUSED, struct chart *ch UNUSED)
+{
+
+}
+
struct outp_class ascii_class =
{
"ascii",
ascii_text_get_size,
ascii_text_metrics,
ascii_text_draw,
+
+ ascii_chart_initialise,
+ ascii_chart_finalise
};