1 files changed, 140 insertions, 0 deletions
diff --git a/ACE/ACEXML/common/HttpCharStream.h b/ACE/ACEXML/common/HttpCharStream.h
new file mode 100644
index 00000000000..ba29e756e5b
--- /dev/null
+++ b/ACE/ACEXML/common/HttpCharStream.h
@@ -0,0 +1,140 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    HttpCharStream.h
+ *
+ *  $Id$
+ *
+ *  @author Krishnakumar B <kitty@cs.wustl.edu>
+ */
+//=============================================================================
+
+#ifndef _ACEXML_HTTPCHARSTREAM_H_
+#define _ACEXML_HTTPCHARSTREAM_H_
+
+#include /**/ "ace/pre.h"
+#include "ACEXML/common/ACEXML_Export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+#pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ACEXML/common/CharStream.h"
+#include "ACEXML/common/URL_Addr.h"
+#include "ACEXML/common/Mem_Map_Stream.h"
+
+/**
+ * @class ACEXML_HttpCharStream HttpCharStream.h "ACEXML/common/HttpCharStream.h"
+ *
+ * An implementation of ACEXML_CharStream for reading input from a URL.
+ */
+class ACEXML_Export ACEXML_HttpCharStream : public ACEXML_CharStream
+{
+public:
+  /// Default constructor.
+  ACEXML_HttpCharStream (void);
+
+  /// Destructor
+  virtual ~ACEXML_HttpCharStream (void);
+
+  /// Open an URL.
+  int open (const ACEXML_Char *url);
+
+  /**
+   *  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);
+
+  /**
+   *  Resets the file pointer to the beginning of the stream.
+   */
+  virtual void rewind (void);
+
+  /**
+   *  Determine the encoding of the file.
+   */
+  virtual int determine_encoding (void);
+
+  /**
+   * Get the encoding of the file
+   */
+  virtual const ACEXML_Char* getEncoding (void);
+
+  /*
+   * Get the systemId for the underlying CharStream
+   */
+  virtual const ACEXML_Char* getSystemId (void);
+
+
+private:
+
+#if defined (ACE_USES_WCHAR)
+  /**
+   *  Read the next character from the stream taking into account the
+   *  encoding of the file.
+   */
+  int get_i (ACEXML_Char& ch);
+
+  /**
+   *  Read the next character from the stream taking into account the
+   *  encoding of the file. Subsequent call to get() returns this
+   *  character.
+   */
+  int peek_i (void);
+
+#endif /* ACE_USES_WCHAR */
+
+  /**
+   *  Send a HTTP/1.1 request to fetch the contents of the URL.
+   */
+  int send_request (void);
+
+  /**
+   *  Fetch the URL and save it in backing store.
+   */
+  int get_url (size_t& len);
+
+  ACEXML_Char *url_;
+
+  ACEXML_URL_Addr* url_addr_;
+
+  ACEXML_Mem_Map_Stream* stream_;
+
+  Connector* connector_;
+
+  off_t size_;
+
+  off_t data_offset_;
+
+  ACEXML_Char* encoding_;
+
+};
+
+
+#include /**/ "ace/post.h"
+
+#endif /* _ACEXML_HTTPCHARSTREAM_H_ */