follow comments.

paddle/gserver/evaluators/CTCErrorEvaluator.cpp

@@ -14,6 +14,7 @@ limitations under the License. */
 
 #include "Evaluator.h"
 #include "paddle/gserver/gradientmachines/NeuralNetwork.h"
+#include "paddle/utils/StringUtil.h"
 
 namespace paddle {
 
@@ -259,7 +260,7 @@ public:
 
   virtual void printStats(std::ostream& os) const {
     storeLocalValues();
-    os << config_.name() << "=" << evalResults_["error"];
+    os << config_.name() << " error = " << evalResults_["error"];
     os << " deletions error = " << evalResults_["deletion_error"];
     os << " insertions error = " << evalResults_["insertion_error"];
     os << " substitution error = " << evalResults_["substitution_error"];
@@ -293,12 +294,10 @@ public:
   real getValue(const std::string& name, Error* err) const {
     storeLocalValues();
 
-    const std::string delimiter(".");
-    std::string::size_type foundPos = name.find(delimiter, 0);
-    CHECK(foundPos != std::string::npos);
+    std::vector<std::string> buffers;
+    paddle::str::split(name, '.', &buffers);
+    auto it = evalResults_.find(buffers[buffers.size() - 1]);
 
-    auto it = evalResults_.find(
-        name.substr(foundPos + delimiter.size(), name.length()));
     if (it == evalResults_.end()) {
       *err = Error("Evaluator does not have the key %s", name.c_str());
       return 0.0f;
@@ -307,7 +306,11 @@ public:
     return it->second;
   }
 
-  std::string getTypeImpl() const { return "ctc_edit_distance"; }
+  std::string getType(const std::string& name, Error* err) const {
+    getValue(name, err);
+    if (!err->isOK()) return "";
+    return "ctc_edit_distance";
+  }
 };
 
 REGISTER_EVALUATOR(ctc_edit_distance, CTCErrorEvaluator);