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#ifndef DEF_FILE_CLASS_H
#define DEF_FILE_CLASS_H
#include <File.iface.h>
#include <Binding/FSNode.class.h>
#include <Syscall/RessourceCaller.class.h>
#include <Binding/VirtualTerminal.class.h>
#include <ByteArray.class.h>
class File : public RessourceCaller {
public:
File(String name, u8int mode, FSNode start = FSNode(0)) :
RessourceCaller(sCall(FLIF_OBJTYPE, FLIF_SOPEN, (u32int)&name, mode, start.resId()), FLIF_OBJTYPE) {
}
File(u32int id) : RessourceCaller(id, FLIF_OBJTYPE) {}
void close() {
doCall(FLIF_CLOSE);
}
bool validOpened() {
return (doCall(FLIF_VALID) != 0);
}
u32int read(u32int max_length, u8int *ptr) {
return (doCall(FLIF_READ, max_length, (u32int)ptr));
}
bool write(u32int length, u8int* ptr) {
return (doCall(FLIF_WRITE, length, (u32int)ptr) != 0);
}
u32int read(ByteArray &data) {
if (!valid()) {
data.clear();
return 0;
}
u32int l = read(data.size(), (u8int*)data);
if (l != data.size()) data.resize(l);
return l;
}
bool write(ByteArray &data) {
if (!valid()) return false;
return write(data.size(), (u8int*)data);
}
template <typename T> bool read(T* elem) {
return (read(sizeof(T), (u8int*)elem) == sizeof(T));
}
template <typename T> bool write(T* elem) {
return write(sizeof(T), (u8int*)elem);
}
bool seek(u64int count, u8int mode) {
union {
u64int x;
u32int a[2];
} wat = {count};
return (doCall(FLIF_SEEK, wat.a[0], wat.a[1], mode) != 0);
}
u64int position() {
return *((u64int*)doCall(FLIF_POSITION));
}
u64int length() {
return *((u64int*)doCall(FLIF_LENGTH));
}
bool eof() {
return (doCall(FLIF_EOF) != 0);
}
};
#endif
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