diff options
Diffstat (limited to 'base/prefs/pref_value_map.cc')
-rw-r--r-- | base/prefs/pref_value_map.cc | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/base/prefs/pref_value_map.cc b/base/prefs/pref_value_map.cc deleted file mode 100644 index 5f2dc506b6..0000000000 --- a/base/prefs/pref_value_map.cc +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright (c) 2011 The Chromium 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 "base/prefs/pref_value_map.h" - -#include <map> - -#include "base/logging.h" -#include "base/memory/scoped_ptr.h" -#include "base/stl_util.h" -#include "base/values.h" - -PrefValueMap::PrefValueMap() {} - -PrefValueMap::~PrefValueMap() { - Clear(); -} - -bool PrefValueMap::GetValue(const std::string& key, - const base::Value** value) const { - const Map::const_iterator entry = prefs_.find(key); - if (entry == prefs_.end()) - return false; - - if (value) - *value = entry->second; - return true; -} - -bool PrefValueMap::GetValue(const std::string& key, base::Value** value) { - const Map::const_iterator entry = prefs_.find(key); - if (entry == prefs_.end()) - return false; - - if (value) - *value = entry->second; - return true; -} - -bool PrefValueMap::SetValue(const std::string& key, base::Value* value) { - DCHECK(value); - auto result = prefs_.insert(std::make_pair(key, value)); - if (result.second) - return true; - - scoped_ptr<base::Value> value_ptr(value); - const Map::iterator& entry = result.first; - if (base::Value::Equals(entry->second, value)) - return false; - - delete entry->second; - entry->second = value_ptr.release(); - - return true; -} - -bool PrefValueMap::RemoveValue(const std::string& key) { - const Map::iterator entry = prefs_.find(key); - if (entry == prefs_.end()) - return false; - - delete entry->second; - prefs_.erase(entry); - return true; -} - -void PrefValueMap::Clear() { - STLDeleteValues(&prefs_); -} - -void PrefValueMap::Swap(PrefValueMap* other) { - prefs_.swap(other->prefs_); -} - -PrefValueMap::iterator PrefValueMap::begin() { - return prefs_.begin(); -} - -PrefValueMap::iterator PrefValueMap::end() { - return prefs_.end(); -} - -PrefValueMap::const_iterator PrefValueMap::begin() const { - return prefs_.begin(); -} - -PrefValueMap::const_iterator PrefValueMap::end() const { - return prefs_.end(); -} - -bool PrefValueMap::GetBoolean(const std::string& key, - bool* value) const { - const base::Value* stored_value = nullptr; - return GetValue(key, &stored_value) && stored_value->GetAsBoolean(value); -} - -void PrefValueMap::SetBoolean(const std::string& key, bool value) { - SetValue(key, new base::FundamentalValue(value)); -} - -bool PrefValueMap::GetString(const std::string& key, - std::string* value) const { - const base::Value* stored_value = nullptr; - return GetValue(key, &stored_value) && stored_value->GetAsString(value); -} - -void PrefValueMap::SetString(const std::string& key, - const std::string& value) { - SetValue(key, new base::StringValue(value)); -} - -bool PrefValueMap::GetInteger(const std::string& key, int* value) const { - const base::Value* stored_value = nullptr; - return GetValue(key, &stored_value) && stored_value->GetAsInteger(value); -} - -void PrefValueMap::SetInteger(const std::string& key, const int value) { - SetValue(key, new base::FundamentalValue(value)); -} - -void PrefValueMap::SetDouble(const std::string& key, const double value) { - SetValue(key, new base::FundamentalValue(value)); -} - -void PrefValueMap::GetDifferingKeys( - const PrefValueMap* other, - std::vector<std::string>* differing_keys) const { - differing_keys->clear(); - - // Put everything into ordered maps. - std::map<std::string, base::Value*> this_prefs(prefs_.begin(), prefs_.end()); - std::map<std::string, base::Value*> other_prefs(other->prefs_.begin(), - other->prefs_.end()); - - // Walk over the maps in lockstep, adding everything that is different. - auto this_pref(this_prefs.begin()); - auto other_pref(other_prefs.begin()); - while (this_pref != this_prefs.end() && other_pref != other_prefs.end()) { - const int diff = this_pref->first.compare(other_pref->first); - if (diff == 0) { - if (!this_pref->second->Equals(other_pref->second)) - differing_keys->push_back(this_pref->first); - ++this_pref; - ++other_pref; - } else if (diff < 0) { - differing_keys->push_back(this_pref->first); - ++this_pref; - } else if (diff > 0) { - differing_keys->push_back(other_pref->first); - ++other_pref; - } - } - - // Add the remaining entries. - for ( ; this_pref != this_prefs.end(); ++this_pref) - differing_keys->push_back(this_pref->first); - for ( ; other_pref != other_prefs.end(); ++other_pref) - differing_keys->push_back(other_pref->first); -} |