/**
* This helper function groups code to avoid duplication. It is not a member function of Image because
* there are problems with ImageNetworkHeader, anyhow the function is state-less and uses only parameters.
*/
inline bool readFromConnection(Image &dest, ImageNetworkHeader &header, ConnectionReader& connection)
{
dest.resize(header.width, header.height);
unsigned char *mem = dest.getRawImage();
int allocatedBytes = dest.getRawImageSize();
yAssert(mem != NULL);
//this check is redundant with assertion, I would remove it
if (dest.getRawImageSize() != header.imgSize) {
printf("There is a problem reading an image\n");
printf("incoming: width %d, height %d, code %d, quantum %d, size %d\n",
(int)header.width, (int)header.height,
(int)header.id,
(int)header.quantum, (int)header.imgSize);
printf("my space: width %d, height %d, code %d, quantum %d, size %d\n",
dest.width(), dest.height(), dest.getPixelCode(), dest.getQuantum(), allocatedBytes);
}
yAssert(allocatedBytes == header.imgSize);
bool ok = connection.expectBlock((char *)mem, allocatedBytes);
return (!connection.isError() && ok);
}
bool StoreDouble::readRaw(ConnectionReader& reader) {
NetFloat64 flt = 0;
reader.expectBlock((const char*)&flt,sizeof(flt));
x = flt;
return true;
}
bool BottleImpl::read(ConnectionReader& reader) {
bool result = false;
if (reader.isTextMode()) {
String str = reader.expectText().c_str();
if (reader.isError()) return false;
bool done = (str.length()<=0);
while (!done) {
if (str[str.length()-1]=='\\') {
str = str.substr(0,str.length()-1);
str += reader.expectText().c_str();
if (reader.isError()) return false;
} else {
if (isComplete(str.c_str())) {
done = true;
} else {
str += "\n";
str += reader.expectText().c_str();
if (reader.isError()) return false;
}
}
}
fromString(str);
result = true;
} else {
#if USE_YARP1_PREFIX
if (!nested) {
int len = reader.expectInt();
if (reader.isError()) return false;
//String name = reader.expectString(len);
String buf(YARP_STRINIT(len));
reader.expectBlock((const char *)buf.c_str(),len);
if (reader.isError()) return false;
String name = buf.c_str();
}
#endif
if (!nested) {
// no byte length any more to facilitate nesting
//reader.expectInt(); // the bottle byte ct; ignored
clear();
specialize(0);
int code = reader.expectInt();
if (reader.isError()) return false;
YMSG(("READ got top level code %d\n", code));
code = code & UNIT_MASK;
if (code!=0) {
specialize(code);
}
}
result = true;
clear();
dirty = true; // for clarity
int len = 0;
int i = 0;
len = reader.expectInt();
if (reader.isError()) return false;
YMSG(("READ got length %d\n", len));
for (i=0; i<len; i++) {
bool ok = fromBytes(reader);
if (!ok) return false;
}
}
return result;
}
