/* PSPP - computes sample statistics.
Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
- Written by Ben Pfaff <blp@gnu.org>.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
#include <unistd.h>
#include <libpspp/alloc.h>
+#include <libpspp/assertion.h>
#include <libpspp/bit-vector.h>
#include <libpspp/compiler.h>
#include <libpspp/freaderror.h>
struct font *fonts[OUTP_FONT_CNT];
int last_font; /* Index of last font set with setfont. */
- }
-ps_driver_ext;
+ };
/* Transform logical y-ordinate Y into a page ordinate. */
#define YT(Y) (this->length - (Y))
/* Driver initialization. */
static bool
-ps_open_driver (struct outp_driver *this, const struct string *options)
+ps_open_driver (struct outp_driver *this, struct substring options)
{
struct ps_driver_ext *x;
size_t i;
};
/* All the options that the PostScript driver supports. */
-static struct outp_option option_tab[] =
+static const struct outp_option option_tab[] =
{
{"output-file", output_file_arg,0},
{"paper-size", paper_size_arg, 0},
{
struct ps_driver_ext *x = this->ext;
int subcat;
- char *value = ds_c_str (val);
+ char *value = ds_cstr (val);
switch (outp_match_keyword (key, option_tab, &subcat))
{
this->font_height = arg;
break;
default:
- abort ();
+ NOT_REACHED ();
}
}
break;
x->line_width = dimension;
break;
default:
- abort ();
+ NOT_REACHED ();
}
}
break;
}
break;
default:
- abort ();
+ NOT_REACHED ();
}
return true;
}
/* Looks for a PostScript font file or config file in all the
- appropriate places. Returns the filename on success, NULL on
+ appropriate places. Returns the file name on success, NULL on
failure. */
static char *
find_ps_file (const char *name)
else
{
char *base_name = xasprintf ("psfonts/%s", name);
- char *file_name = fn_search_path (base_name, config_path, NULL);
+ char *file_name = fn_search_path (base_name, config_path);
free (base_name);
return file_name;
}
if (!isalpha (c) && strchr ("^_|!$&:;.,-+", c) == NULL
&& (cp == string || !isdigit (c)))
{
- struct string out = DS_INITIALIZER;
- ds_putc (&out, '<');
+ struct string out = DS_EMPTY_INITIALIZER;
+ ds_put_char (&out, '<');
for (cp = string; *cp != '\0'; cp++)
{
c = *cp;
- ds_printf (&out, "%02x", c);
+ ds_put_format (&out, "%02x", c);
}
- ds_puts (&out, ">cvn");
- return ds_c_str (&out);
+ ds_put_cstr (&out, ">cvn");
+ return ds_cstr (&out);
}
}
return xasprintf ("/%s", string);
case SOM_CHART:
break;
default:
- abort ();
- break;
+ NOT_REACHED ();
}
}
\f
enum outp_line_style top, enum outp_line_style left,
enum outp_line_style bottom, enum outp_line_style right)
{
-/* The algorithm here is somewhat subtle, to allow it to handle
- all the kinds of intersections that we need.
-
- Three additional ordinates are assigned along the x axis. The
- first is xc, midway between x0 and x3. The others are x1 and
- x2; for a single vertical line these are equal to xc, and for
- a double vertical line they are the ordinates of the left and
- right half of the double line.
-
- yc, y1, and y2 are assigned similarly along the y axis.
-
- The following diagram shows the coordinate system and output
- for double top and bottom lines, single left line, and no
- right line:
-
- x0 x1 xc x2 x3
- y0 ________________________
- | # # |
- | # # |
- | # # |
- | # # |
- | # # |
- y1 = y2 = yc |######### # |
- | # # |
- | # # |
- | # # |
- | # # |
- y3 |________#_____#_______|
-*/
+ /* The algorithm here is somewhat subtle, to allow it to handle
+ all the kinds of intersections that we need.
+
+ Three additional ordinates are assigned along the x axis. The
+ first is xc, midway between x0 and x3. The others are x1 and
+ x2; for a single vertical line these are equal to xc, and for
+ a double vertical line they are the ordinates of the left and
+ right half of the double line.
+
+ yc, y1, and y2 are assigned similarly along the y axis.
+
+ The following diagram shows the coordinate system and output
+ for double top and bottom lines, single left line, and no
+ right line:
+
+ x0 x1 xc x2 x3
+ y0 ________________________
+ | # # |
+ | # # |
+ | # # |
+ | # # |
+ | # # |
+ y1 = y2 = yc |######### # |
+ | # # |
+ | # # |
+ | # # |
+ | # # |
+ y3 |________#_____#_______|
+ */
struct ps_driver_ext *ext = this->ext;
/* Offset from center of each line in a pair of double lines. */
text.font = OUTP_PROPORTIONAL;
text.justification = justification;
- ls_init (&text.string, (char *) string, strlen (string));
+ text.string = ss_cstr (string);
text.h = max_width;
text.v = this->font_height;
text.x = x;
fprintf (ext->file, "F%d setfont\n", font);
}
- ds_init (&out, 0);
+ ds_init_empty (&out);
for (i = 0; i < char_cnt; i = j)
{
for (j = i + 1; j < char_cnt; j++)
size_t encoded = afm_encode_string (afm, chars + i, j - i, &out);
if (encoded > 0)
{
- fprintf (ext->file, "%sS\n", ds_c_str (&out));
+ fprintf (ext->file, "%sS\n", ds_cstr (&out));
ds_clear (&out);
i += encoded;
}
s.max_width = 0;
- cp = ls_c_str (&s.text->string);
- while (s.height_left >= this->font_height && cp < ls_end (&s.text->string))
+ cp = ss_data (s.text->string);
+ while (s.height_left >= this->font_height && cp < ss_end (s.text->string))
{
const struct afm_character *cur;
int char_width;
/* Get character and resolve ligatures. */
cur = afm_get_character (afm, *cp);
- while (++cp < ls_end (&s.text->string))
+ while (++cp < ss_end (s.text->string))
{
const struct afm_character *next = afm_get_character (afm, *cp);
const struct afm_character *ligature = afm_get_ligature (cur, next);
kern_adjust = 0;
/* Record the current status if this is a space character. */
- if (cur->code == ' ' && cp > ls_c_str (&s.text->string))
+ if (cur->code == ' ' && cp > ss_data (s.text->string))
{
s.space_char = cp;
s.space_glyph_cnt = s.glyph_cnt;
continue;
fclose (ch->file);
- fputs ("%%%%EndDocument\n"
+ fputs ("%%EndDocument\n"
"end\n"
"sp restore\n",
x->file);
line_number = 0;
- ds_init (&line, 0);
- while (ds_get_config_line (file, &line, &line_number))
+ ds_init_empty (&line);
+ while (ds_read_config_line (&line, &line_number, file))
{
char *pschar, *code;
char *save_ptr, *tail;
if (ds_is_empty (&line) == 0)
continue;
- pschar = strtok_r (ds_c_str (&line), " \t\r\n", &save_ptr);
+ pschar = strtok_r (ds_cstr (&line), " \t\r\n", &save_ptr);
code = strtok_r (NULL, " \t\r\n", &save_ptr);
if (pschar == NULL || code == NULL)
continue;
}
/* PostScript driver class. */
-struct outp_class postscript_class =
+const struct outp_class postscript_class =
{
"postscript",
0,
projects / pspp-builds.git / blobdiff