Keep only base/extractor.[cc|h].

statsreport/persistent_iterator-win32.cc

Index: statsreport/persistent_iterator-win32.cc
diff --git a/statsreport/persistent_iterator-win32.cc b/statsreport/persistent_iterator-win32.cc
deleted file mode 100644
index 5b527e14be6d513a7a717d45407695a5c1f1b6b7..0000000000000000000000000000000000000000
--- a/statsreport/persistent_iterator-win32.cc
+++ /dev/null
@@ -1,139 +0,0 @@
-// Copyright 2006-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// Iterator over persisted metrics
-#include "persistent_iterator-win32.h"
-
-namespace stats_report {
-
-void PersistentMetricsIteratorWin32::Next() {
-  current_value_.reset();
-
-  // Try to open the top-level key if we didn't already.
-  if (NULL == key_.m_hKey) {
-    HKEY parent_key = is_machine_ ? HKEY_LOCAL_MACHINE : HKEY_CURRENT_USER;
-    LONG err = key_.Open(parent_key, key_name_, KEY_READ);
-    if (err != ERROR_SUCCESS)
-      return;
-  }
-
-  // Loop until we find a value
-  while (state_ != kFinished) {
-    if (NULL == sub_key_.m_hKey) {
-      const wchar_t *subkey_name = NULL;
-      switch (state_) {
-       case kUninitialized:
-        state_ = kCounts;
-        subkey_name = kCountsKeyName;
-        break;
-       case kCounts:
-        state_ = kTimings;
-        subkey_name = kTimingsKeyName;
-        break;
-       case kTimings:
-        state_ = kIntegers;
-        subkey_name = kIntegersKeyName;
-        break;
-       case kIntegers:
-        state_ = kBooleans;
-        subkey_name = kBooleansKeyName;
-        break;
-       case kBooleans:
-        state_ = kFinished;
-        break;
-       case kFinished:
-        break;
-      }
-
-      if (NULL != subkey_name) {
-        LONG err = sub_key_.Open(key_, subkey_name, KEY_READ);
-        // go around the loop on error to try the next key type
-        if (ERROR_SUCCESS != err)
-          continue;
-      }
-
-      // reset value enumeration
-      value_index_ = 0;
-    }
-
-    if (state_ != kFinished) {
-      DCHECK(NULL != sub_key_.m_hKey);
-      CString wide_value_name;
-      DWORD value_name_len = 255;
-      DWORD value_type = 0;
-      BYTE buf[sizeof(TimingMetric::TimingData)];
-      DWORD value_len = sizeof(buf);
-
-      // Get the next key and value
-      LONG err = ::RegEnumValue(sub_key_, value_index_,
-                     CStrBuf(wide_value_name, static_cast<int>(value_name_len)),
-                     &value_name_len,
-                     0, &value_type,
-                     buf, &value_len);
-
-      ++value_index_;
-
-      if (ERROR_NO_MORE_ITEMS == err) {
-        // done with this subkey, go around again
-        sub_key_.Close();
-        continue;
-      } else if (ERROR_SUCCESS != err) {
-        // some other error, broken into a separate case for ease of debugging
-        DCHECK(false && "Unexpected error during reg value enumeration");
-      } else {
-        DCHECK(ERROR_SUCCESS == err);
-
-        // convert value to ASCII
-        current_value_name_ = wide_value_name;
-
-        switch (state_) {
-         case kCounts:
-          if (value_len != sizeof(int64))
-            continue;
-          current_value_.reset(new CountMetric(current_value_name_ .GetString(),
-                                          *reinterpret_cast<int64*>(&buf[0])));
-          break;
-         case kTimings:
-          if (value_len != sizeof(TimingMetric::TimingData))
-            continue;
-          current_value_.reset(new TimingMetric(current_value_name_.GetString(),
-                        *reinterpret_cast<TimingMetric::TimingData*>(&buf[0])));
-          break;
-         case kIntegers:
-          if (value_len != sizeof(int64))
-            continue;
-          current_value_.reset(new IntegerMetric(
-                                      current_value_name_.GetString(),
-                                      *reinterpret_cast<int64*>(&buf[0])));
-          break;
-         case kBooleans:
-          if (value_len != sizeof(uint32))
-            continue;
-          current_value_.reset(new BoolMetric(current_value_name_.GetString(),
-                                          *reinterpret_cast<uint32*>(&buf[0])));
-          break;
-         default:
-          DCHECK(false && "Impossible state during reg value enumeration");
-          break;
-        }
-
-        if (current_value_.get())
-          return;
-      }
-    }
-  }
-}
-
-} // namespace stats_report