/*
* skip whitespace and compute the following unsigned int,
* returns 1 if one is found and 0 if not
*/
int
xpmNextUI(xpmData *mdata, unsigned int *ui_return)
{
char buf[BUFSIZ];
int l;
l = xpmNextWord(mdata, buf, BUFSIZ);
return atoui(buf, l, ui_return);
}
/*
* parse xpm header
*/
int
xpmParseHeader(xpmData *data)
{
char buf[BUFSIZ+1] = {0};
int l, n = 0;
if (data->type) {
data->Bos = '\0';
data->Eos = '\n';
data->Bcmt = data->Ecmt = NULL;
l = xpmNextWord(data, buf, BUFSIZ);
if (l == 7 && !strncmp("#define", buf, 7)) {
/* this maybe an XPM 1 file */
char *ptr;
l = xpmNextWord(data, buf, BUFSIZ);
if (!l)
return (XpmFileInvalid);
buf[l] = '\0';
ptr = strrchr(buf, '_');
if (!ptr || strncmp("_format", ptr, l - (ptr - buf)))
return XpmFileInvalid;
/* this is definitely an XPM 1 file */
data->format = 1;
n = 1; /* handle XPM1 as mainly XPM2 C */
} else {
/*
* skip the first word, get the second one, and see if this is
* XPM 2 or 3
*/
l = xpmNextWord(data, buf, BUFSIZ);
if ((l == 3 && !strncmp("XPM", buf, 3)) ||
(l == 4 && !strncmp("XPM2", buf, 4))) {
if (l == 3)
n = 1; /* handle XPM as XPM2 C */
else {
/* get the type key word */
l = xpmNextWord(data, buf, BUFSIZ);
/*
* get infos about this type
*/
while (xpmDataTypes[n].type
&& strncmp(xpmDataTypes[n].type, buf, l))
n++;
}
data->format = 0;
} else
/* nope this is not an XPM file */
return XpmFileInvalid;
}
if (xpmDataTypes[n].type) {
if (n == 0) { /* natural type */
data->Bcmt = xpmDataTypes[n].Bcmt;
data->Ecmt = xpmDataTypes[n].Ecmt;
xpmNextString(data); /* skip the end of the headerline */
data->Bos = xpmDataTypes[n].Bos;
data->Eos = xpmDataTypes[n].Eos;
} else {
data->Bcmt = xpmDataTypes[n].Bcmt;
data->Ecmt = xpmDataTypes[n].Ecmt;
if (!data->format) { /* XPM 2 or 3 */
data->Bos = xpmDataTypes[n].Bos;
data->Eos = '\0';
/* get to the beginning of the first string */
xpmNextString(data);
data->Eos = xpmDataTypes[n].Eos;
} else /* XPM 1 skip end of line */
xpmNextString(data);
}
} else
/* we don't know about that type of XPM file... */
return XpmFileInvalid;
}
return XpmSuccess;
}
