1 files changed, 62 insertions, 0 deletions

diff --git a/noncore/apps/opie-reader/CSource.h b/noncore/apps/opie-reader/CSource.h
new file mode 100644
index 0000000..2885f72
--- a/dev/null
+++ b/noncore/apps/opie-reader/CSource.h
@@ -0,0 +1,62 @@
+#ifndef __CSOURCE_H
+#define __CSOURCE_H
+
+class CInfo
+{
+ public:
+  virtual unsigned long size() = 0;
+};
+
+class CSource : public CInfo
+{
+ public:
+  virtual int get() = 0;
+};
+
+class CSink : public CInfo
+{
+ public:
+  virtual void put(unsigned char c) = 0;
+};
+
+class CMemSource : public CSource
+{
+  unsigned long m_total_size;
+  unsigned long m_current;
+  unsigned char* m_buffer;
+ public:
+  CMemSource(unsigned char* _buffer, unsigned long _size)
+    :
+    m_total_size(_size),
+    m_current(0),
+    m_buffer(_buffer)
+    {}
+  unsigned long size() { return m_current; }
+  int get()
+    {
+      return ((m_current < m_total_size) ? m_buffer[m_current++] : -1);
+    }
+};
+
+class CMemSink : public CSink
+{
+  unsigned long m_total_size;
+  unsigned long m_current;
+  unsigned char* m_buffer;
+ public:
+  CMemSink(unsigned char* _buffer, unsigned long _size)
+    :
+    m_total_size(_size),
+    m_current(0),
+    m_buffer(_buffer)
+    {}
+  unsigned long size() { return m_current; }
+  void put(unsigned char c)
+    {
+      if (m_current < m_total_size)
+        {
+          m_buffer[m_current++] = c;
+        } 
+    }
+};
+#endif