move to new cspot

components/spotify/cspot/bell/main/io/BinaryReader.cpp

@@ -0,0 +1,72 @@
+#include "BinaryReader.h"
+#include <stdlib.h>
+
+bell::BinaryReader::BinaryReader(std::shared_ptr<ByteStream> stream) {
+    this->stream = stream;
+}
+
+size_t bell::BinaryReader::position() {
+    return stream->position();
+}
+
+size_t bell::BinaryReader::size() {
+    return stream->size();
+}
+
+void bell::BinaryReader::close() {
+    stream->close();
+}
+
+void bell::BinaryReader::skip(size_t pos) {
+    std::vector<uint8_t> b(pos);
+    stream->read(&b[0], pos);
+}
+
+int32_t bell::BinaryReader::readInt() {
+    uint8_t b[4];
+    if (stream->read((uint8_t *) b,4) != 4)
+		return 0;
+    
+    return static_cast<int32_t>(
+        (b[3])      |
+        (b[2] << 8) |
+        (b[1] << 16)|
+        (b[0] << 24) );
+}
+
+int16_t bell::BinaryReader::readShort() {
+    uint8_t b[2];
+    if (stream->read((uint8_t *) b,2) != 2)
+		return 0;
+    
+    return static_cast<int16_t>(
+        (b[1])      |
+        (b[0] << 8));
+}
+
+
+uint32_t bell::BinaryReader::readUInt() {
+    return readInt() & 0xffffffffL;
+}
+
+uint8_t bell::BinaryReader::readByte() {
+    uint8_t b[1];
+    if (stream->read((uint8_t *) b,1) != 1)
+		return 0;
+    return b[0];
+}
+
+std::vector<uint8_t> bell::BinaryReader::readBytes(size_t size) {
+    std::vector<uint8_t> data(size);
+    stream->read(&data[0], size);
+    return data;
+}
+
+long long bell::BinaryReader::readLong() {
+    long high = readInt();
+    long low = readInt();
+
+    return static_cast<long long>(
+        ((long long) high << 32) | low );
+}
+