Adding BigEndian reads.

2 files changed, 36 insertions, 3 deletions

diff --git a/includes/Handle.h b/includes/Handle.h
index 941748e..29cdb08 100644
--- a/includes/Handle.h
+++ b/includes/Handle.h
@@ -72,7 +72,15 @@ class Handle {
     Future<int16_t>  readI16();
     Future<int32_t>  readI32();
     Future<int64_t>  readI64();
-    Future<void>     writeU8 (uint8_t);
+	Future<uint8_t>  readBEU8();
+	Future<uint16_t> readBEU16();
+	Future<uint32_t> readBEU32();
+	Future<uint64_t> readBEU64();
+	Future<int8_t>   readBEI8();
+	Future<int16_t>  readBEI16();
+	Future<int32_t>  readBEI32();
+	Future<int64_t>  readBEI64();
+	Future<void>     writeU8(uint8_t);
     Future<void>     writeU16(uint16_t);
     Future<void>     writeU32(uint32_t);
     Future<void>     writeU64(uint64_t);
diff --git a/src/Handle.cc b/src/Handle.cc
index 3b40c84..e6c0777 100644
--- a/src/Handle.cc
+++ b/src/Handle.cc
@@ -106,14 +106,30 @@ Balau::Future<T> genericRead(Balau::IO<Balau::Handle> t) {
     int c = 0;
     return Balau::Future<T>([t, b, c]() mutable {
         do {
-            int r = t->read(((uint8_t *) b.get()) + c, sizeof(T));
+            int r = t->read(((uint8_t *) b.get()) + c, sizeof(T) - c);
             c += r;
         } while (c < sizeof(T));
         return *b;
     });
 }
 
-Balau::Future<uint8_t>  Balau::Handle::readU8 () { return genericRead<uint8_t >(this); }
+template<class T>
+Balau::Future<T> genericReadBE(Balau::IO<Balau::Handle> t) {
+	std::shared_ptr<T> b(new T);
+	int c = 0;
+	*b.get() = 0;
+	return Balau::Future<T>([t, b, c]() mutable {
+		do {
+			uint8_t v = t->readU8().get();
+			*b.get() <<= 8;
+			*b.get() += v;
+			c++;
+		} while (c < sizeof(T));
+		return *b;
+	});
+}
+
+Balau::Future<uint8_t>  Balau::Handle::readU8()  { return genericRead<uint8_t> (this); }
 Balau::Future<uint16_t> Balau::Handle::readU16() { return genericRead<uint16_t>(this); }
 Balau::Future<uint32_t> Balau::Handle::readU32() { return genericRead<uint32_t>(this); }
 Balau::Future<uint64_t> Balau::Handle::readU64() { return genericRead<uint64_t>(this); }
@@ -122,6 +138,15 @@ Balau::Future<int16_t>  Balau::Handle::readI16() { return genericRead<int16_t> (
 Balau::Future<int32_t>  Balau::Handle::readI32() { return genericRead<int32_t> (this); }
 Balau::Future<int64_t>  Balau::Handle::readI64() { return genericRead<int64_t> (this); }
 
+Balau::Future<uint8_t>  Balau::Handle::readBEU8()  { return genericReadBE<uint8_t> (this); }
+Balau::Future<uint16_t> Balau::Handle::readBEU16() { return genericReadBE<uint16_t>(this); }
+Balau::Future<uint32_t> Balau::Handle::readBEU32() { return genericReadBE<uint32_t>(this); }
+Balau::Future<uint64_t> Balau::Handle::readBEU64() { return genericReadBE<uint64_t>(this); }
+Balau::Future<int8_t>   Balau::Handle::readBEI8()  { return genericReadBE<int8_t>  (this); }
+Balau::Future<int16_t>  Balau::Handle::readBEI16() { return genericReadBE<int16_t> (this); }
+Balau::Future<int32_t>  Balau::Handle::readBEI32() { return genericReadBE<int32_t> (this); }
+Balau::Future<int64_t>  Balau::Handle::readBEI64() { return genericReadBE<int64_t> (this); }
+
 template<class T>
 Balau::Future<void> genericWrite(Balau::IO<Balau::Handle> t, T val) {
     std::shared_ptr<T> b(new T(val));