1 files changed, 67 insertions, 0 deletions
diff --git a/ACEXML/common/FileCharStream.h b/ACEXML/common/FileCharStream.h
new file mode 100644
index 00000000000..0be3a14217c
--- /dev/null
+++ b/ACEXML/common/FileCharStream.h
@@ -0,0 +1,67 @@
+// -*- C++ -*-  $Id$
+
+#ifndef _ACEXML_FILECHARSTREAM_H_
+#define _ACEXML_FILECHARSTREAM_H_
+
+#include "Common/CharStream.h"
+#include "ace/streams.h"
+
+/**
+ * An implementation of ACEXML_CharStream for reading
+ * input from a file.
+ * defines the basic opertion the parser
+ * could use to retrieve XML charater sequence.  The sequence
+ * can be read from a file or a character buffer.
+ */
+class ACEXML_Export ACEXML_FileCharStream : public ACEXML_CharStream
+{
+public:
+  /// Default constructor.
+  ACEXML_FileCharStream (void);
+
+  /// Construct and opening a file.
+  ACEXML_FileCharStream (const ACEXML_Char *name);
+
+  /// Destructor
+  virtual ~ACEXML_FileCharStream (void);
+
+  /// Open a file.
+  int open (const ACEXML_Char *name);
+
+  /**
+   * Returns the available ACEXML_Char in the buffer.  -1
+   * if the object is not initialized properly.
+   */
+  virtual int available (void);
+
+  /**
+   * Close this stream and release all resources used by it.
+   */
+  virtual int close (void);
+
+  /**
+   * Read the next ACEXML_Char.  Return -1 if we are not able to
+   * return an ACEXML_Char, 0 if EOS is reached, or 1 if succeed.
+   */
+  virtual int get (ACEXML_Char& ch);
+
+  /**
+   * Read the next batch of ACEXML_Char strings
+   */
+  virtual int read (ACEXML_Char *str,
+                    size_t len);
+
+  /**
+   * Peek the next ACEXML_Char in the CharStream.  Return the
+   * character if succeess, -1 if EOS is reached.
+   */
+  virtual int peek (void);
+
+private:
+  ACEXML_Char *filename_;
+
+  ifstream istream_;
+
+};
+
+#endif /* _ACEXML_FILECHARSTREAM_H_ */