static const FcCharSet *
scan (FILE *f, char *file, FcCharSetFreezer *freezer)
{
FcCharSet *c = 0;
const FcCharSet *n;
int start, end, ucs4;
char line[1024];
int lineno = 0;
while (get_line (f, line, &lineno))
{
if (!strncmp (line, "include", 7))
{
file = strchr (line, ' ');
if (!file)
fatal (line, lineno,
"invalid syntax, expected: include filename");
while (isspace(*file))
file++;
f = scanopen (file);
if (!f)
fatal (file, 0, "can't open");
n = scan (f, file, freezer);
fclose (f);
return n;
}
if (strchr (line, '-'))
{
if (sscanf (line, "%x-%x", &start, &end) != 2)
fatal (file, lineno, "parse error");
}
else
{
if (sscanf (line, "%x", &start) != 1)
fatal (file, lineno, "parse error");
end = start;
}
if (!c)
c = FcCharSetCreate ();
for (ucs4 = start; ucs4 <= end; ucs4++)
{
if (!FcCharSetAddChar (c, ucs4))
fatal (file, lineno, "out of memory");
}
}
n = FcCharSetFreeze (freezer, c);
FcCharSetDestroy (c);
return n;
}
static FcCharSet *
scan (FILE *f, char *file)
{
FcCharSet *c = 0;
FcCharSet *n;
int start, end, ucs4;
char line[1024];
int lineno = 0;
while (get_line (f, line, &lineno))
{
if (!strncmp (line, "include", 7))
{
file = strchr (line, ' ');
while (*file == ' ')
file++;
end = strlen (file);
if (file[end-1] == '\n')
file[end-1] = '\0';
f = fopen (file, "r");
if (!f)
fatal (file, 0, "can't open");
c = scan (f, file);
fclose (f);
return c;
}
if (strchr (line, '-'))
{
if (sscanf (line, "%x-%x", &start, &end) != 2)
fatal (file, lineno, "parse error");
}
else
{
if (sscanf (line, "%x", &start) != 1)
fatal (file, lineno, "parse error");
end = start;
}
if (!c)
c = FcCharSetCreate ();
for (ucs4 = start; ucs4 <= end; ucs4++)
{
if (!FcCharSetAddChar (c, ucs4))
fatal (file, lineno, "out of memory");
}
}
n = FcCharSetFreeze (c);
FcCharSetDestroy (c);
return n;
}
static FcCharSet *
scan (FILE *f, char *file, FcCharSetFreezer *freezer)
{
FcCharSet *c = 0;
FcCharSet *n;
FcBool del;
int start, end, ucs4;
char buf[1024];
char *line;
int lineno = 0;
while ((line = get_line (f, buf, &lineno)))
{
if (!strncmp (line, "include", 7))
{
FILE *included_f;
char *included_file;
included_file = strchr (line, ' ');
if (!included_file)
fatal (file, lineno,
"invalid syntax, expected: include filename");
while (isspace(*included_file))
included_file++;
included_f = scanopen (included_file);
if (!included_f)
fatal (included_file, 0, "can't open");
n = scan (included_f, included_file, freezer);
fclose (included_f);
if (!c)
c = FcCharSetCreate ();
if (!FcCharSetMerge (c, n, NULL))
fatal (file, lineno, "out of memory");
FcCharSetDestroy (n);
continue;
}
del = FcFalse;
if (line[0] == '-')
{
del = FcTrue;
line++;
}
if (strchr (line, '-'))
{
if (sscanf (line, "%x-%x", &start, &end) != 2)
fatal (file, lineno, "parse error");
}
else
{
if (sscanf (line, "%x", &start) != 1)
fatal (file, lineno, "parse error");
end = start;
}
if (!c)
c = FcCharSetCreate ();
for (ucs4 = start; ucs4 <= end; ucs4++)
{
if (!((del ? FcCharSetDelChar : FcCharSetAddChar) (c, ucs4)))
fatal (file, lineno, "out of memory");
}
}
n = (FcCharSet *) FcCharSetFreeze (freezer, c);
FcCharSetDestroy (c);
return n;
}
