/* Open a den archive; load the header as well in read mode. */
AG_Den *
AG_DenOpen(const char *path, enum ag_den_open_mode mode)
{
AG_Den *den;
den = Malloc(sizeof(AG_Den));
den->buf = AG_OpenFile(path, (mode == AG_DEN_READ) ? "rb" : "wb");
if (den->buf == NULL) {
Free(den);
return (NULL);
}
switch (mode) {
case AG_DEN_READ:
if (AG_ReadVersion(den->buf, agDenMagic, &agDenVer, NULL)==-1 ||
ReadDenHeader(den) == -1) {
goto fail;
}
break;
case AG_DEN_WRITE:
AG_WriteVersion(den->buf, agDenMagic, &agDenVer);
break;
}
return (den);
fail:
AG_CloseFile(den->buf);
Free(den);
return (NULL);
}
/* Load a surface from a given bmp file. */
AG_Surface *
AG_SurfaceFromBMP(const char *path)
{
AG_DataSource *ds;
AG_Surface *s;
if ((ds = AG_OpenFile(path, "rb")) == NULL) {
return (NULL);
}
if ((s = AG_ReadSurfaceFromBMP(ds)) == NULL) {
AG_SetError("%s: %s", path, AG_GetError());
AG_CloseFile(ds);
return (NULL);
}
AG_CloseFile(ds);
return (s);
}
void
AG_DenClose(AG_Den *den)
{
AG_CloseFile(den->buf);
Free(den->author);
Free(den->copyright);
Free(den->descr);
Free(den->keywords);
Free(den->members);
Free(den);
}
int
main(int argc, char *argv[])
{
char *file, *s;
extern char *optarg;
extern int optind;
int i, c;
AG_DataSource *ds = NULL;
AG_ObjectHeader oh;
Uint32 pos, sLen;
size_t len;
Uint8 *buf, *p;
int asis = 0;
if (AG_InitCore("agar-disasm", 0) == -1) {
return (0);
}
while ((c = getopt(argc, argv, "?")) != -1) {
switch (c) {
case '?':
default:
printusage();
return (1);
}
}
if (argc < 2) {
printusage();
return (1);
}
file = argv[1];
if ((ds = AG_OpenFile(file, "r")) == NULL) {
goto fail;
}
if (AG_ObjectReadHeader(ds, &oh) == -1) {
goto fail;
}
printf("Class:\t\t%s\n", oh.cs.hier);
if (oh.cs.libs[0] != '\0') {
printf("Modules:\t%s\n", oh.cs.libs);
}
printf("Dataset at:\t%lx\n", (unsigned long)oh.dataOffs);
printf("Version:\t%u.%u\n", oh.ver.major, oh.ver.minor);
printf("Flags:\t\t0x%x\n", oh.flags);
printf("\n");
if (AG_Seek(ds, 0, AG_SEEK_END) == -1) {
goto fail;
}
len = AG_Tell(ds) - oh.dataOffs;
if (AG_Seek(ds, (off_t)oh.dataOffs, AG_SEEK_SET) == -1) {
goto fail;
}
pos = 0;
if ((buf = malloc(len)) == NULL) {
AG_SetError("Out of memory for dataset (%lu)",
(unsigned long)len);
goto fail;
}
if (AG_Read(ds, buf, len) == -1)
goto fail;
for (p = buf; ;) {
for (i = 0; i < nTypes; i++) {
if (AG_SwapBE32(*(Uint32 *)p) == types[i].type) {
if (asis) {
printf("\n");
}
asis = 0;
break;
}
}
if (i == nTypes) {
if (!asis) {
printf("[%8s] ", "???");
asis = 1;
}
if (isprint(*(Uint8 *)p)) {
fputc(*(Uint8 *)p, stdout);
} else {
printf("\\%x", *(Uint8 *)p);
}
FORWARD(1);
continue;
}
FORWARD(4);
printf("[%8s] ", types[i].name);
switch (types[i].type) {
case AG_SOURCE_UINT8:
printf("%u\n", *(Uint8 *)p);
FORWARD(1);
break;
case AG_SOURCE_UINT16:
{
Uint16 v = AG_SwapBE16(*(Uint16 *)p);
printf("%u\n", (unsigned)v);
FORWARD(2);
}
break;
case AG_SOURCE_UINT32:
{
Uint32 v = AG_SwapBE32(*(Uint32 *)p);
printf("%lu\n", (unsigned long)v);
FORWARD(4);
}
break;
#ifdef HAVE_64BIT
case AG_SOURCE_UINT64:
{
Uint64 v = AG_SwapBE64(*(Uint64 *)p);
printf("%llu\n", (unsigned long long)v);
FORWARD(8);
}
break;
#endif
case AG_SOURCE_FLOAT:
{
float f = AG_SwapBEFLT(*(float *)p);
printf("%f\n", f);
FORWARD(4);
}
break;
case AG_SOURCE_DOUBLE:
{
double f = AG_SwapBEDBL(*(double *)p);
printf("%f\n", f);
FORWARD(8);
}
break;
#ifdef HAVE_LONG_DOUBLE
case AG_SOURCE_LONG_DOUBLE:
{
long double f=AG_SwapBELDBL(*(long double *)p);
printf("%Lf\n", f);
FORWARD(16);
}
break;
#endif
case AG_SOURCE_STRING:
if (AG_SwapBE32(*(Uint32 *)p) != AG_SOURCE_UINT32) {
printf("Bad string length!\n");
break;
}
FORWARD(4);
sLen = AG_SwapBE32(*(Uint32 *)p);
FORWARD(4);
if ((s = malloc(sLen+1)) == NULL) {
printf("Out of memory for string!\n");
break;
}
memcpy(s, p, sLen);
s[sLen] = '\0';
printf("\"%s\"\n", s);
free(s);
FORWARD(sLen);
break;
default:
printf("(skipping)\n");
break;
}
}
out:
AG_CloseFile(ds);
return (0);
fail:
fprintf(stderr, "%s\n", AG_GetError());
if (ds != NULL) { AG_CloseFile(ds); }
AG_Destroy();
return (1);
}
