}
static size_t
-find(const char *target, size_t target_len)
+try_find(const char *target, size_t target_len)
{
const uint8_t *pos = (const uint8_t *) memmem (data, n, target, target_len);
+ return pos ? pos - data : 0;
+}
+
+static size_t
+try_find_tail(const char *target, size_t target_len)
+{
+ size_t pos = try_find(target, target_len);
+ return pos ? pos + target_len : 0;
+}
+
+static size_t
+find(const char *target, size_t target_len)
+{
+ size_t pos = try_find(target, target_len);
+ if (!pos)
+ {
+ fprintf (stderr, "not found\n");
+ exit(1);
+ }
+ return pos;
+}
+
+static size_t
+find_tail(const char *target, size_t target_len)
+{
+ size_t pos = try_find_tail(target, target_len);
if (!pos)
{
fprintf (stderr, "not found\n");
exit(1);
}
- return pos - data;
+ return pos;
}
size_t pos;
static bool
match_byte(uint8_t b)
{
- if (data[pos] == b)
+ if (pos < n && data[pos] == b)
{
pos++;
return true;
#define match_byte_assert(b) match_byte_assert(b, WHERE)
static char *
-get_string(void)
+get_string(const char *where)
{
- if (data[pos + 1] == 0 && data[pos + 2] == 0 && data[pos + 3] == 0
- && all_ascii(&data[pos + 4], data[pos]))
+ if (1
+ /*data[pos + 1] == 0 && data[pos + 2] == 0 && data[pos + 3] == 0*/
+ /*&& all_ascii(&data[pos + 4], data[pos])*/)
{
- int len = data[pos];
+ int len = data[pos] + data[pos + 1] * 256;
char *s = malloc(len + 1);
memcpy(s, &data[pos + 4], len);
s[len] = 0;
- pos += 4 + data[pos];
+ pos += 4 + len;
return s;
}
else
{
- fprintf(stderr, "0x%x: expected string\n", pos);
+ fprintf(stderr, "%s: 0x%x: expected string\n", where, pos);
exit(1);
}
}
+#define get_string() get_string(WHERE)
static void
-dump_category(int level)
+dump_value_31(void)
+{
+ if (match_byte (0x31))
+ {
+ if (match_u32 (0))
+ {
+ if (match_u32 (1))
+ get_string();
+ else
+ match_u32_assert (0);
+ int subn = get_u32 ();
+ printf ("nested %d bytes", subn);
+ pos += subn;
+ }
+ else if (match_u32 (1))
+ {
+ printf("(footnote %d) ", get_u32());
+ match_byte_assert (0);
+ match_byte_assert (0);
+ int subn = get_u32 ();
+ printf ("nested %d bytes", subn);
+ pos += subn;
+ }
+ else if (match_u32 (2))
+ {
+ printf("(special 2)");
+ match_byte_assert(0);
+ match_byte_assert(0);
+ if (!match_u32 (2))
+ match_u32_assert(1);
+ match_byte_assert(0);
+ match_byte_assert(0);
+ int subn = get_u32 ();
+ printf ("nested %d bytes", subn);
+ pos += subn;
+ }
+ else
+ {
+ match_u32_assert(3);
+ printf("(special 3)");
+ match_byte_assert(0);
+ match_byte_assert(0);
+ match_byte_assert(1);
+ match_byte_assert(0);
+ int subn = get_u32 ();
+ printf ("nested %d bytes, ", subn);
+ pos += subn;
+ subn = get_u32 ();
+ printf ("nested %d bytes, ", subn);
+ pos += subn;
+ }
+ }
+ else
+ match_byte_assert (0x58);
+}
+
+static void
+dump_value(int level)
{
for (int i = 0; i <= level; i++)
printf (" ");
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
match_byte (0);
if (match_byte (3))
{
- get_string();
- match_byte_assert (0x58);
- get_string();
- printf("string \"%s\"", get_string());
- match_byte (0);
- match_byte_assert (1);
- match_byte (0);
- match_byte (0);
+ char *s1 = get_string();
+ dump_value_31();
+ char *s2 = get_string();
+ char *s3 = get_string();
+ if (strcmp(s1, s3))
+ printf("strings \"%s\", \"%s\" and \"%s\"", s1, s2, s3);
+ else
+ printf("string \"%s\" and \"%s\"", s1, s2);
match_byte (0);
match_byte (1);
+ match_byte (1);
}
else if (match_byte (5))
{
- match_byte_assert (0x58);
+ dump_value_31();
printf ("variable \"%s\"", get_string());
get_string();
- if (!match_byte (3))
- match_byte_assert (2);
- match_byte (0);
- match_byte (0);
- match_byte (0);
+ if (!match_byte(1) && !match_byte(2))
+ match_byte_assert(3);
}
else if (match_byte (2))
{
vallab = get_string ();
printf ("value %g format %d(%d.%d) var \"%s\" vallab \"%s\"",
value, format >> 16, (format >> 8) & 0xff, format & 0xff, var, vallab);
- if (!match_u32 (3))
- match_u32_assert (2);
+ if (!match_byte (1) && !match_byte(2))
+ match_byte_assert (3);
}
- else
+ else if (match_byte (4))
{
unsigned int format;
- double value;
+ char *var, *vallab, *value;
- match_byte_assert (1);
match_byte_assert (0x58);
format = get_u32 ();
+ vallab = get_string ();
+ var = get_string ();
+ if (!match_byte(1) && !match_byte(2))
+ match_byte_assert (3);
+ value = get_string ();
+ printf ("value \"%s\" format %d(%d.%d) var \"%s\" vallab \"%s\"",
+ value, format >> 16, (format >> 8) & 0xff, format & 0xff, var, vallab);
+ }
+ else if (match_byte (1))
+ {
+ unsigned int format;
+ double value;
+
+ dump_value_31();
+ format = get_u32 ();
value = get_double ();
printf ("value %g format %d(%d.%d)", value, format >> 16, (format >> 8) & 0xff, format & 0xff);
match_byte (1);
- match_byte (0);
- match_byte (0);
+ }
+ else
+ {
+ dump_value_31();
+ char *base = get_string();
+
+ int x = get_u32();
+ printf ("\"%s\" with %d variables:\n", base, x);
+ if (match_u32(0))
+ {
+ for (int i = 0; i < x; i++)
+ {
+ dump_value (level+1);
+ putchar('\n');
+ }
+ }
+ else
+ {
+ for (int i = 0; i < x; i++)
+ {
+ int y = get_u32();
+ match_u32_assert(0);
+ for (int j = 0; j <= level; j++)
+ printf (" ");
+ printf("variable %d has %d values:\n", i, y);
+ for (int j = 0; j < y; j++)
+ {
+ match_byte(0);
+ if (match_byte(3))
+ {
+ char *a = get_string();
+ match_byte_assert(0x58);
+ char *b = get_string();
+ char *c = get_string();
+ for (int k = 0; k <= level + 1; k++)
+ printf (" ");
+ printf ("\"%s\", \"%s\", \"%s\"", a, b, c);
+ }
+ else
+ dump_value (level+1);
+
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ putchar('\n');
+ }
+ }
+ }
+ }
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+}
+
+static void
+dump_dim_value(int level)
+{
+ for (int i = 0; i <= level; i++)
+ printf (" ");
+
+ if (match_byte (3))
+ {
+ get_string();
+ dump_value_31();
+ get_string();
+ printf("string \"%s\"", get_string());
match_byte (0);
match_byte (1);
}
+ else if (match_byte (5))
+ {
+ match_byte_assert (0x58);
+ printf ("variable \"%s\"", get_string());
+ get_string();
+ if (!match_byte (1) && !match_byte (2))
+ match_byte_assert(3);
+ }
+ else
+ dump_value(level);
+}
+
+static void
+dump_category(int level)
+{
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ dump_value (level);
if (match_u32 (2))
get_u32 ();
match_byte (0);
get_u32 ();
}
+ else if (match_byte (1))
+ {
+ match_byte (0);
+ if (!match_u32 (2))
+ match_u32_assert (1);
+ match_byte (0);
+ get_u32();
+ }
else
{
match_u32_assert (0);
get_u32 ();
}
+
int n_categories = get_u32();
if (n_categories > 0)
printf (", %d subcategories:", n_categories);
dump_dim(void)
{
int n_categories;
- if (match_byte(3))
- {
- get_string();
- match_byte_assert(0x58);
- get_string();
- printf("string \"%s\": ", get_string());
- match_byte_assert(1);
- }
- else if (match_byte(5))
- {
- match_byte_assert(0x58);
- printf("variable \"%s\": ", get_string());
- get_string();
- if (!match_byte(2))
- match_byte_assert(3);
- }
- else
- {
- fprintf(stderr, "%08x: unexpected byte\n", pos);
- exit(1);
- }
+ printf("next dim\n");
+ match_byte(0);
+ dump_dim_value(0);
+
+ /* This byte is usually 0x02 but 0x00 and 0x75 (!) have also been spotted. */
+ pos++;
- match_byte_assert(0);
if (!match_byte(0) && !match_byte(1))
match_byte_assert(2);
- match_u32_assert(2);
+ if (!match_u32(0))
+ match_u32_assert(2);
if (!match_byte(0))
match_byte_assert(1);
match_byte(0);
dump_category (0);
}
+int n_dims;
static void
dump_dims(void)
{
- int n_dims = get_u32();
-
+ n_dims = get_u32();
printf ("%u dimensions\n", n_dims);
for (int i = 0; i < n_dims; i++)
{
}
}
+static void
+dump_data_value(void)
+{
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ if (match_byte (1))
+ {
+ unsigned int format;
+ double value;
+
+ dump_value_31();
+ format = get_u32 ();
+ value = get_double ();
+ printf (" value %g format %d(%d.%d)", value, format >> 16, (format >> 8) & 0xff, format & 0xff);
+ }
+ else if (match_byte (3))
+ {
+ get_string();
+ dump_value_31();
+ get_string();
+ printf("string \"%s\"", get_string());
+ match_byte (0);
+ }
+ else if (match_byte (2))
+ {
+ unsigned int format;
+ char *var, *vallab;
+ double value;
+
+ match_byte_assert (0x58);
+ format = get_u32 ();
+ value = get_double ();
+ var = get_string ();
+ vallab = get_string ();
+ printf ("value %g format %d(%d.%d) var \"%s\" vallab \"%s\"",
+ value, format >> 16, (format >> 8) & 0xff, format & 0xff, var, vallab);
+ if (!match_byte (1) && !match_byte(2))
+ match_byte_assert (3);
+ }
+ else if (match_byte (4))
+ {
+ unsigned int format;
+ char *var, *vallab, *value;
+
+ match_byte_assert (0x58);
+ format = get_u32 ();
+ vallab = get_string ();
+ var = get_string ();
+ if (!match_byte(1) && !match_byte(2))
+ match_byte_assert (3);
+ value = get_string ();
+ printf ("value \"%s\" format %d(%d.%d) var \"%s\" vallab \"%s\"",
+ value, format >> 16, (format >> 8) & 0xff, format & 0xff, var, vallab);
+ }
+ else if (data[pos] == 5)
+ dump_value (0);
+ else
+ {
+ dump_value_31();
+ char *base = get_string();
+ int x = get_u32();
+ printf ("\"%s\"; %d variables:\n", base, x);
+ for (int i = 0; i < x; i++)
+ {
+ int y = get_u32();
+ if (!y)
+ y = 1;
+ else
+ match_u32_assert(0);
+ for (int j = 0; j <= 0; j++)
+ printf (" ");
+ printf("variable %d has %d values:\n", i, y);
+ for (int j = 0; j < y; j++)
+ dump_data_value();
+ }
+ }
+}
+
+static void
+dump_data(void)
+{
+#if 1
+ int a[16];
+ for (int i = 0; i < 3 + n_dims; i++)
+ a[i] = get_u32();
+ printf ("data intro:");
+ for (int i = 0; i < 3 + n_dims; i++)
+ printf(" %d", a[i]);
+ printf("\n");
+#else
+ fprintf (stderr,"data intro (%d dims):", n_dims);
+ for (int i = 0; i < 3+n_dims; i++)
+ fprintf (stderr," %d", get_u32());
+ fprintf(stderr,"\n");
+#endif
+ int x = get_u32();
+ printf ("%d data values, starting at %08x\n", x, pos);
+ for (int i = 0; i < x; i++)
+ {
+ printf("%08x, index %d:\n", pos, get_u32());
+ match_u32_assert(0);
+ dump_data_value();
+ putchar('\n');
+ }
+}
+
+static void
+dump_title_value(int level)
+{
+ for (int i = 0; i <= level; i++)
+ printf (" ");
+
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ if (data[pos] == 3 || data[pos] == 2 || data[pos] == 4 || data[pos] == 1)
+ dump_value(level);
+ else if (match_byte (5))
+ {
+ dump_value_31();
+ printf ("variable \"%s\"", get_string());
+ get_string();
+ if (!match_byte(1) && !match_byte(2))
+ match_byte_assert(3);
+ }
+ else
+ {
+ dump_value_31();
+
+ char *base = get_string();
+ int x = get_u32();
+ printf ("\"%s\" with %d variables:\n", base, x);
+ for (int i = 0; i < x; i++)
+ {
+ int y = get_u32();
+ if (!y)
+ y = 1;
+ else
+ match_u32_assert(0);
+ for (int j = 0; j <= level; j++)
+ printf (" ");
+ printf("variable %d has %d values:\n", i, y);
+ for (int j = 0; j < y; j++)
+ {
+ match_byte(0);
+ if (match_byte(3))
+ {
+ char *a = get_string();
+ match_byte_assert(0x58);
+ char *b = get_string();
+ char *c = get_string();
+ for (int k = 0; k <= level + 1; k++)
+ printf (" ");
+ printf ("\"%s\", \"%s\", \"%s\"", a, b, c);
+ }
+ else
+ dump_title_value (level+1);
+ putchar('\n');
+ }
+ }
+ }
+}
+
+static void
+dump_footnote_value(int level)
+{
+ for (int i = 0; i <= level; i++)
+ printf (" ");
+
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ match_byte (0);
+ if (data[pos] == 2 || data[pos] == 4)
+ dump_value(level);
+ else if (match_byte (3))
+ {
+ get_string();
+ dump_value_31();
+ get_string();
+ printf("string \"%s\"", get_string());
+ if (!match_byte (0))
+ match_byte_assert (1);
+ }
+ else if (match_byte (5))
+ {
+ match_byte_assert (0x58);
+ printf ("variable \"%s\"", get_string());
+ get_string();
+ if (!match_byte(1) && !match_byte(2))
+ match_byte_assert(3);
+ }
+ else if (match_byte (1))
+ {
+ unsigned int format;
+ double value;
+
+ dump_value_31();
+ format = get_u32 ();
+ value = get_double ();
+ printf ("value %g format %d(%d.%d)", value, format >> 16, (format >> 8) & 0xff, format & 0xff);
+ }
+ else
+ {
+ dump_value_31();
+ char *base = get_string();
+ int x = get_u32();
+ printf ("\"%s\"; %d variables:\n", base, x);
+ for (int i = 0; i < x; i++)
+ {
+ int y = get_u32();
+ if (!y)
+ y = 1;
+ else
+ match_u32_assert(0);
+ for (int j = 0; j <= level; j++)
+ printf (" ");
+ printf("variable %d has %d values:\n", i, y);
+ for (int j = 0; j < y; j++)
+ {
+ dump_footnote_value (level+1);
+ putchar('\n');
+ }
+ }
+ }
+}
+
+static void
+dump_title(void)
+{
+ pos = 0x27;
+ dump_title_value(0); putchar('\n');
+ dump_title_value(0); putchar('\n');
+ match_byte_assert(0x31);
+ dump_title_value(0); putchar('\n');
+ match_byte(0);
+ match_byte_assert(0x58);
+ if (match_byte(0x31))
+ {
+ dump_footnote_value(0); putchar('\n');
+ }
+ else
+ match_byte_assert(0x58);
+
+
+ int n_footnotes = get_u32();
+ if (n_footnotes >= 20)
+ {
+ fprintf(stderr, "%08x: %d footnotes\n", pos - 4, n_footnotes);
+ exit(1);
+ }
+
+ printf("------\n%d footnotes\n", n_footnotes);
+ if (n_footnotes < 20)
+ {
+ for (int i = 0; i < n_footnotes; i++)
+ {
+ printf("footnote %d:\n", i);
+ dump_footnote_value(0);
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ match_byte(0);
+ if (match_byte (0x31))
+ {
+ /* Custom footnote marker string. */
+ match_byte_assert(3);
+ get_string();
+ match_byte_assert(0x58);
+ match_u32_assert(0);
+ get_string();
+ }
+ else
+ match_byte_assert (0x58);
+ printf("(%d)\n", get_u32());
+ }
+ }
+}
+
+static int
+find_dimensions(void)
+{
+ {
+ const char dimensions[] = "-,,,.\0";
+ int x = try_find_tail(dimensions, sizeof dimensions - 1);
+ if (x)
+ return x;
+ }
+
+ const char dimensions[] = "-,,, .\0";
+ return find_tail(dimensions, sizeof dimensions - 1);
+}
+
+static void
+dump_fonts(void)
+{
+ printf("fonts: offset=%08x\n", pos);
+ match_byte(0);
+ for (int i = 1; i <= 8; i++)
+ {
+ printf("%08x: font %d, ", pos, i);
+ match_byte_assert(i);
+ match_byte_assert(0x31);
+ printf("%s, ", get_string());
+ match_byte_assert(0);
+ match_byte_assert(0);
+ if (!match_byte(0x40) && !match_byte(0x20) && !match_byte(0x80) && !match_byte(0x10))
+ match_byte_assert(0x50);
+ if (!match_byte(0x41))
+ match_byte_assert(0x51);
+ pos += 13;
+ printf ("%s, ", get_string());
+ printf ("%s, ", get_string());
+ match_u32_assert(0);
+ match_u32_assert(0);
+ pos++;
+ get_u32();
+ get_u32();
+ get_u32();
+ get_u32();
+ putchar('\n');
+ }
+
+ match_u32_assert(240);
+ pos += 240;
+
+ match_u32_assert(18);
+ pos += 18;
+
+ if (match_u32(117))
+ pos += 117;
+ else
+ {
+ match_u32_assert(142);
+ pos += 142;
+ }
+
+ int count = get_u32();
+ pos += 4 * count;
+
+ char *encoding = get_string();
+ printf("encoding=%s\n", encoding);
+
+ if (!match_u32(0))
+ match_u32_assert(UINT32_MAX);
+ if (!match_byte(0))
+ match_byte_assert(1);
+ match_byte_assert(0);
+ if (!match_byte(0))
+ match_byte_assert(1);
+ if (!match_byte(0x99) && !match_byte(0x98))
+ match_byte_assert(0x97);
+ match_byte_assert(7);
+ match_byte_assert(0);
+ match_byte_assert(0);
+ if (match_byte('.'))
+ match_byte_assert(',');
+ else
+ {
+ match_byte_assert(',');
+ if (!match_byte('.'))
+ match_byte_assert(' ');
+ }
+ match_u32_assert(5);
+ for (int i = 0; i < 5; i++)
+ get_string();
+ pos += get_u32();
+ if (pos != find_dimensions())
+ fprintf (stderr, "%08x / %08x\n", pos, find_dimensions());
+}
+
int
main(int argc, char *argv[])
{
if (argc > 1)
{
- if (!strcmp(argv[1], "title"))
+ if (!strcmp(argv[1], "title0"))
+ {
+ pos = 0x27;
+ if (match_byte (0x03)
+ || (match_byte (0x05) && match_byte (0x58)))
+ printf ("%s\n", get_string());
+ else
+ printf ("<unknown>\n");
+ return 0;
+ }
+ else if (!strcmp(argv[1], "title"))
+ {
+ dump_title();
+ exit(0);
+ }
+ else if (!strcmp(argv[1], "titleraw"))
{
const char fonts[] = "\x01\x31\x09\0\0\0SansSerif";
start = 0x27;
start = find(styles, sizeof styles - 1);
n = find(dimensions, sizeof dimensions - 1) + sizeof dimensions - 1;
}
- else if (!strcmp(argv[1], "dimensions"))
+ else if (!strcmp(argv[1], "dimensions") || !strcmp(argv[1], "all"))
{
- const char dimensions[] = "-,,,.\0";
- start = find(dimensions, sizeof dimensions - 1) + sizeof dimensions - 1;
- pos = start;
+ pos = 0;
+ match_byte_assert(1);
+ match_byte_assert(0);
+ match_u32_assert(3);
+ match_byte_assert(1);
+ if (!match_byte(0))
+ match_byte_assert(1);
+ match_byte_assert(0);
+ match_byte_assert(0);
+ if (!match_byte(0))
+ match_byte_assert(1);
+ pos++;
+ match_byte_assert(0);
+ match_byte_assert(0);
+ match_byte_assert(0);
+ dump_title ();
+ dump_fonts();
dump_dims ();
- return 0;
+ printf("\n\ndata:\n");
+ dump_data ();
+ if (pos == n - 1)
+ match_byte_assert (1);
+ if (pos != n)
+ {
+ fprintf (stderr, "%x / %x\n", pos, n);
+ exit(1);
+ }
+ exit(0);
}
else
{
{
if (i + 5 <= n
&& data[i]
- && !data[i + 1]
+ //&& !data[i + 1]
&& !data[i + 2]
&& !data[i + 3]
- && i + 4 + data[i] <= n
- && all_ascii(&data[i + 4], data[i]))
+ && i + 4 + data[i] + data[i + 1] * 256 <= n
+ && all_ascii(&data[i + 4], data[i] + data[i + 1] * 256))
{
fputs("\n\"", stdout);
- fwrite(&data[i + 4], 1, data[i], stdout);
+ fwrite(&data[i + 4], 1, data[i] + data[i + 1] * 256, stdout);
fputs("\" ", stdout);
- i += 4 + data[i];
+ i += 4 + data[i] + data[i + 1] * 256;
}
else if (i + 12 <= n
&& data[i + 1] == 40