1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "sync/syncable/entry.h" 6 7 #include <iomanip> 8 9 #include "base/json/string_escape.h" 10 #include "base/strings/string_util.h" 11 #include "sync/syncable/blob.h" 12 #include "sync/syncable/directory.h" 13 #include "sync/syncable/syncable_base_transaction.h" 14 #include "sync/syncable/syncable_columns.h" 15 16 using std::string; 17 18 namespace syncer { 19 namespace syncable { 20 21 Entry::Entry(BaseTransaction* trans, GetById, const Id& id) 22 : basetrans_(trans) { 23 kernel_ = trans->directory()->GetEntryById(id); 24 } 25 26 Entry::Entry(BaseTransaction* trans, GetByClientTag, const string& tag) 27 : basetrans_(trans) { 28 kernel_ = trans->directory()->GetEntryByClientTag(tag); 29 } 30 31 Entry::Entry(BaseTransaction* trans, GetByServerTag, const string& tag) 32 : basetrans_(trans) { 33 kernel_ = trans->directory()->GetEntryByServerTag(tag); 34 } 35 36 Entry::Entry(BaseTransaction* trans, GetByHandle, int64 metahandle) 37 : basetrans_(trans) { 38 kernel_ = trans->directory()->GetEntryByHandle(metahandle); 39 } 40 41 Directory* Entry::dir() const { 42 return basetrans_->directory(); 43 } 44 45 base::DictionaryValue* Entry::ToValue(Cryptographer* cryptographer) const { 46 base::DictionaryValue* entry_info = new base::DictionaryValue(); 47 entry_info->SetBoolean("good", good()); 48 if (good()) { 49 entry_info->Set("kernel", kernel_->ToValue(cryptographer)); 50 entry_info->Set("modelType", 51 ModelTypeToValue(GetModelType())); 52 entry_info->SetBoolean("existsOnClientBecauseNameIsNonEmpty", 53 ExistsOnClientBecauseNameIsNonEmpty()); 54 entry_info->SetBoolean("isRoot", IsRoot()); 55 } 56 return entry_info; 57 } 58 59 ModelType Entry::GetServerModelType() const { 60 ModelType specifics_type = kernel_->GetServerModelType(); 61 if (specifics_type != UNSPECIFIED) 62 return specifics_type; 63 64 // Otherwise, we don't have a server type yet. That should only happen 65 // if the item is an uncommitted locally created item. 66 // It's possible we'll need to relax these checks in the future; they're 67 // just here for now as a safety measure. 68 DCHECK(GetIsUnsynced()); 69 DCHECK_EQ(GetServerVersion(), 0); 70 DCHECK(GetServerIsDel()); 71 // Note: can't enforce !GetId().ServerKnows() here because that could 72 // actually happen if we hit AttemptReuniteLostCommitResponses. 73 return UNSPECIFIED; 74 } 75 76 ModelType Entry::GetModelType() const { 77 ModelType specifics_type = GetModelTypeFromSpecifics(GetSpecifics()); 78 if (specifics_type != UNSPECIFIED) 79 return specifics_type; 80 if (IsRoot()) 81 return TOP_LEVEL_FOLDER; 82 // Loose check for server-created top-level folders that aren't 83 // bound to a particular model type. 84 if (!GetUniqueServerTag().empty() && GetIsDir()) 85 return TOP_LEVEL_FOLDER; 86 87 return UNSPECIFIED; 88 } 89 90 Id Entry::GetPredecessorId() const { 91 return dir()->GetPredecessorId(kernel_); 92 } 93 94 Id Entry::GetSuccessorId() const { 95 return dir()->GetSuccessorId(kernel_); 96 } 97 98 Id Entry::GetFirstChildId() const { 99 return dir()->GetFirstChildId(basetrans_, kernel_); 100 } 101 102 void Entry::GetChildHandles(std::vector<int64>* result) const { 103 dir()->GetChildHandlesById(basetrans_, GetId(), result); 104 } 105 106 int Entry::GetTotalNodeCount() const { 107 return dir()->GetTotalNodeCount(basetrans_, kernel_); 108 } 109 110 int Entry::GetPositionIndex() const { 111 return dir()->GetPositionIndex(basetrans_, kernel_); 112 } 113 114 bool Entry::ShouldMaintainPosition() const { 115 return kernel_->ShouldMaintainPosition(); 116 } 117 118 std::ostream& operator<<(std::ostream& s, const Blob& blob) { 119 for (Blob::const_iterator i = blob.begin(); i != blob.end(); ++i) 120 s << std::hex << std::setw(2) 121 << std::setfill('0') << static_cast<unsigned int>(*i); 122 return s << std::dec; 123 } 124 125 std::ostream& operator<<(std::ostream& os, const Entry& entry) { 126 int i; 127 EntryKernel* const kernel = entry.kernel_; 128 for (i = BEGIN_FIELDS; i < INT64_FIELDS_END; ++i) { 129 os << g_metas_columns[i].name << ": " 130 << kernel->ref(static_cast<Int64Field>(i)) << ", "; 131 } 132 for ( ; i < TIME_FIELDS_END; ++i) { 133 os << g_metas_columns[i].name << ": " 134 << GetTimeDebugString(kernel->ref(static_cast<TimeField>(i))) << ", "; 135 } 136 for ( ; i < ID_FIELDS_END; ++i) { 137 os << g_metas_columns[i].name << ": " 138 << kernel->ref(static_cast<IdField>(i)) << ", "; 139 } 140 os << "Flags: "; 141 for ( ; i < BIT_FIELDS_END; ++i) { 142 if (kernel->ref(static_cast<BitField>(i))) 143 os << g_metas_columns[i].name << ", "; 144 } 145 for ( ; i < STRING_FIELDS_END; ++i) { 146 const std::string& field = kernel->ref(static_cast<StringField>(i)); 147 os << g_metas_columns[i].name << ": " << field << ", "; 148 } 149 for ( ; i < PROTO_FIELDS_END; ++i) { 150 std::string escaped_str = base::EscapeBytesAsInvalidJSONString( 151 kernel->ref(static_cast<ProtoField>(i)).SerializeAsString(), 152 false); 153 os << g_metas_columns[i].name << ": " << escaped_str << ", "; 154 } 155 for ( ; i < UNIQUE_POSITION_FIELDS_END; ++i) { 156 os << g_metas_columns[i].name << ": " 157 << kernel->ref(static_cast<UniquePositionField>(i)).ToDebugString() 158 << ", "; 159 } 160 os << "TempFlags: "; 161 for ( ; i < BIT_TEMPS_END; ++i) { 162 if (kernel->ref(static_cast<BitTemp>(i))) 163 os << "#" << i - BIT_TEMPS_BEGIN << ", "; 164 } 165 return os; 166 } 167 168 } // namespace syncable 169 } // namespace syncer 170
