1 files changed, 60 insertions, 0 deletions
diff --git a/common/streambuf.cpp b/common/streambuf.cpp
new file mode 100644
index 0000000..2d87f9a
--- /dev/null
+++ b/common/streambuf.cpp
@@ -0,0 +1,60 @@
+/**
+ *  StreamBuf.cpp
+ *
+ *  Implementation file for the StreamBuf class
+ *
+ *  @see http://www.mr-edd.co.uk/blog/beginners_guide_streambuf
+ * 
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2014 Copernica BV
+ */
+#include "includes.h"
+
+/**
+ *  Set up namespace
+ */
+namespace Php {
+
+/**
+ *  Constructor
+ *  @param  error
+ */
+StreamBuf::StreamBuf(int error) : _error(error)
+{
+    // we reserve one byte, so that when overflow is called, we still have one
+    // byte extra in the buffer to put the overflowed byte int
+    setp(_buffer, _buffer+1024-1);
+}
+    
+
+/**
+ *  Method that is called when the internal buffer overflows
+ *  @param  c
+ *  @return int
+ */
+int StreamBuf::overflow(int c)
+{
+    // for error buffers, overflow is simply discarded
+    if (_error) return c;
+    
+    // end-of-file has not output, we call EOF directly, and by using the
+    // comma operator we ensure that EOF is returned
+    if (c == EOF) return sync(), EOF;
+    
+    // because we lied the underlying buffer about the size of the buffer
+    // by one byte, there is no real overflow, and we can still add the byte
+    // to the end of the buffer
+    *pptr() = c;
+    
+    // increment buffer size
+    pbump(1);
+    
+    // and now we're going to syn the buffer
+    return sync() == -1 ? EOF : c;
+}
+
+/**
+ *  End namespace
+ */
+}
+ 
+\ No newline at end of file