ChangeLogTag: Wed May 2 15:10:28 2001 Balachandran Natarajan <bala@cs.wustl.edu>

5 files changed, 58 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 5bb68a2113b..e04529ffeff 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+Wed May  2 15:10:28 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
+
+	* ace/CDR_Stream.h (ACE_InputCDR): 
+	* ace/CDR_Stream.cpp: Added a new constructor for ACE_inputCDR
+	  class. This constructor would take the data block with a
+	  pre-determined read and write pointer positions. This is helpful
+	  when an application would like to create a CDR stream with a
+	  smei-processed data block. 
+
 Wed May  2 11:10:59 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
 
 	* bin/auto_run_tests.lst: Added a colon to seperate the
diff --git a/ChangeLogs/ChangeLog-02a b/ChangeLogs/ChangeLog-02a
index 5bb68a2113b..e04529ffeff 100644
--- a/ChangeLogs/ChangeLog-02a
+++ b/ChangeLogs/ChangeLog-02a
@@ -1,3 +1,12 @@
+Wed May  2 15:10:28 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
+
+	* ace/CDR_Stream.h (ACE_InputCDR): 
+	* ace/CDR_Stream.cpp: Added a new constructor for ACE_inputCDR
+	  class. This constructor would take the data block with a
+	  pre-determined read and write pointer positions. This is helpful
+	  when an application would like to create a CDR stream with a
+	  smei-processed data block. 
+
 Wed May  2 11:10:59 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
 
 	* bin/auto_run_tests.lst: Added a colon to seperate the
diff --git a/ChangeLogs/ChangeLog-03a b/ChangeLogs/ChangeLog-03a
index 5bb68a2113b..e04529ffeff 100644
--- a/ChangeLogs/ChangeLog-03a
+++ b/ChangeLogs/ChangeLog-03a
@@ -1,3 +1,12 @@
+Wed May  2 15:10:28 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
+
+	* ace/CDR_Stream.h (ACE_InputCDR): 
+	* ace/CDR_Stream.cpp: Added a new constructor for ACE_inputCDR
+	  class. This constructor would take the data block with a
+	  pre-determined read and write pointer positions. This is helpful
+	  when an application would like to create a CDR stream with a
+	  smei-processed data block. 
+
 Wed May  2 11:10:59 2001  Balachandran Natarajan  <bala@cs.wustl.edu>
 
 	* bin/auto_run_tests.lst: Added a colon to seperate the
diff --git a/ace/CDR_Stream.cpp b/ace/CDR_Stream.cpp
index 87e70360bf3..0f64ff0d66d 100644
--- a/ace/CDR_Stream.cpp
+++ b/ace/CDR_Stream.cpp
@@ -525,6 +525,28 @@ ACE_InputCDR::ACE_InputCDR (ACE_Data_Block *data,
 {
 }
 
+ACE_InputCDR::ACE_InputCDR (ACE_Data_Block *data,
+                            size_t rd_pos,
+                            size_t wr_pos,
+                            int byte_order)
+  : start_ (data),
+    do_byte_swap_ (byte_order != ACE_CDR_BYTE_ORDER),
+    good_bit_ (1),
+    char_translator_ (0),
+    wchar_translator_ (0)
+{
+  // Set the read pointer
+  this->start_.rd_ptr (rd_pos);
+
+  // Set the write pointer after doing a sanity check.
+  char* wrpos = this->start_.rd_ptr () + wr_pos;
+  if (this->start_.end () >= wrpos)
+    {
+      this->start_.wr_ptr (wr_pos);
+    }
+}
+
+
 ACE_InputCDR::ACE_InputCDR (const ACE_InputCDR& rhs,
                             size_t size,
                             ACE_CDR::Long offset)
diff --git a/ace/CDR_Stream.h b/ace/CDR_Stream.h
index ad8f7f9cd6d..f2dea99ee00 100644
--- a/ace/CDR_Stream.h
+++ b/ace/CDR_Stream.h
@@ -452,6 +452,15 @@ public:
   ACE_InputCDR (ACE_Data_Block *data,
                 int byte_order = ACE_CDR_BYTE_ORDER);
 
+  /// Create an input stream from an ACE_Data_Block. It also sets the
+  /// read and write pointers at the desired positions. This would be
+  /// helpful if the applications desires to create a new CDR stream
+  /// from a semi-processed datablock.
+  ACE_InputCDR (ACE_Data_Block *data,
+                size_t read_pointer_position,
+                size_t write_pointer_position,
+                int byte_order = ACE_CDR_BYTE_ORDER);
+
   /**
    * These make a copy of the current stream state, but do not copy
    * the internal buffer, so the same stream can be read multiple