Add rsp::GetOffsets command + reply

debugger/rsp/rsp_info_packets.cc

 // Copyright (c) 2011 The Native Client Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 #include "debugger/rsp/rsp_info_packets.h"
 
 namespace rsp {
 void QuerySupportedCommand::AddFeature(const std::string& name,
                                        const std::string& value) {
   features_.push_back(std::pair<std::string, std::string>(name, value));
 }
@@ skipping 109 matching lines @@
     return false;
 
   eom_ = ('l' == cmd);
   body_ = message->ToString();
   return true;
 }
 
 void QXferReply::ToBlob(debug::Blob* message) const {
   Format(message, (eom_ ? "l%s" : "m%s"), body_.c_str());
 }
+
+bool GetOffsetsReply::FromBlob(const std::string& type, debug::Blob* message) {

[mmortensen, 2011/07/21 17:36:44]

Optional: these functions don't have comments that describe them...but neither
do the rest in the file.
Would be nice to fix, but it's potentially beyond the scope of the review.

[garianov1, 2011/07/21 17:50:36]

Will fix in the separate CL.

+  // Example: Text=c00000000;Data=c00000000
+  std::deque<debug::Blob> statements;
+  message->Split(debug::Blob().FromString(";"), &statements);
+  for (size_t i = 0; i < statements.size(); i++) {
+    std::deque<debug::Blob> tokens;
+    statements[i].Split(debug::Blob().FromString("="), &tokens);
+    if (tokens.size() >= 2) {
+      if ("Text" == tokens[0].ToString())
+        rsp::PopIntFromFront(&tokens[1], &text_offset_);
+      else if ("Data" == tokens[0].ToString())
+        rsp::PopIntFromFront(&tokens[1], &data_offset_);
+    }
+  }
+  return true;
+}
+
+void GetOffsetsReply::ToBlob(debug::Blob* message) const {
+  message->Append(debug::Blob().FromString("Text="));
+  rsp::PushIntToBack(text_offset_, message);
+  message->Append(debug::Blob().FromString(";Data="));
+  rsp::PushIntToBack(data_offset_, message);
+}
+
 }  // namespace rsp