libdeng2|Reader: Added a method to read a specific number of bytes

Added a method that is more convenient to use than reading a FixedByteArray.
skyjake · Mar 27, 2014 · 2768a93 · 2768a93
1 parent c8fb356
commit 2768a93
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/doomsday/libdeng2/include/de/data/reader.h b/doomsday/libdeng2/include/de/data/reader.h
@@ -157,6 +157,17 @@ class DENG2_PUBLIC Reader
      */
     Reader &operator >> (FixedByteArray &fixedByteArray);
 
+    /**
+     * Reads a specific number of bytes and puts it to a destination
+     * byte array.
+     *
+     * @param count        Number of bytes to read.
+     * @param destination  Destination array.
+     *
+     * @return Reference to the Reader.
+     */
+    Reader &readBytes(dsize count, IByteArray &destination);
+
     /// Reads a Block from the source buffer.
     Reader &operator >> (Block &block);
 

diff --git a/doomsday/libdeng2/src/data/reader.cpp b/doomsday/libdeng2/src/data/reader.cpp
@@ -347,6 +347,12 @@ Reader &Reader::operator >> (FixedByteArray &fixedByteArray)
     return *this;
 }
 
+Reader &Reader::readBytes(dsize count, IByteArray &destination)
+{
+    FixedByteArray dest(destination, 0, count);
+    return *this >> dest;
+}
+
 Reader &Reader::operator >> (Block &block)
 {
     duint size = 0;