sync/syncable/syncable_enum_conversions.cc

   1 // Copyright (c) 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 // Keep this file in sync with entry_kernel.h.
   6
   7 #include "sync/syncable/syncable_enum_conversions.h"
   8
   9 #include "base/basictypes.h"
  10 #include "base/logging.h"
  11
  12 namespace syncer {
  13 namespace syncable {
  14
  15 // We can't tokenize expected_min/expected_max since it can be a
  16 // general expression.
  17 #define ASSERT_ENUM_BOUNDS(enum_min, enum_max, expected_min, expected_max) \
  18   static_assert(static_cast<int>(enum_min) ==                              \
  19                 static_cast<int>(expected_min),                            \
  20                 #enum_min " not " #expected_min);                          \
  21   static_assert(static_cast<int>(enum_max) ==                              \
  22                 static_cast<int>(expected_max),                            \
  23                 #enum_max " not " #expected_max);
  24
  25 #define ENUM_CASE(enum_value) case enum_value: return #enum_value
  26
  27 const char* GetMetahandleFieldString(MetahandleField metahandle_field) {
  28   ASSERT_ENUM_BOUNDS(META_HANDLE, META_HANDLE,
  29                      INT64_FIELDS_BEGIN, BASE_VERSION - 1);
  30   switch (metahandle_field) {
  31     ENUM_CASE(META_HANDLE);
  32   }
  33   NOTREACHED();
  34   return "";
  35 }
  36
  37 const char* GetBaseVersionString(BaseVersion base_version) {
  38   ASSERT_ENUM_BOUNDS(BASE_VERSION, BASE_VERSION,
  39                      META_HANDLE + 1, SERVER_VERSION - 1);
  40   switch (base_version) {
  41     ENUM_CASE(BASE_VERSION);
  42   }
  43   NOTREACHED();
  44   return "";
  45 }
  46
  47 const char* GetInt64FieldString(Int64Field int64_field) {
  48   ASSERT_ENUM_BOUNDS(SERVER_VERSION, TRANSACTION_VERSION,
  49                      BASE_VERSION + 1, INT64_FIELDS_END - 1);
  50   switch (int64_field) {
  51     ENUM_CASE(SERVER_VERSION);
  52     ENUM_CASE(LOCAL_EXTERNAL_ID);
  53     ENUM_CASE(TRANSACTION_VERSION);
  54     case INT64_FIELDS_END: break;
  55   }
  56   NOTREACHED();
  57   return "";
  58 }
  59
  60 const char* GetTimeFieldString(TimeField time_field) {
  61   ASSERT_ENUM_BOUNDS(MTIME, SERVER_CTIME,
  62                      TIME_FIELDS_BEGIN, TIME_FIELDS_END - 1);
  63   switch (time_field) {
  64     ENUM_CASE(MTIME);
  65     ENUM_CASE(SERVER_MTIME);
  66     ENUM_CASE(CTIME);
  67     ENUM_CASE(SERVER_CTIME);
  68     case TIME_FIELDS_END: break;
  69   }
  70   NOTREACHED();
  71   return "";
  72 }
  73
  74 const char* GetIdFieldString(IdField id_field) {
  75   ASSERT_ENUM_BOUNDS(ID, SERVER_PARENT_ID,
  76                      ID_FIELDS_BEGIN, ID_FIELDS_END - 1);
  77   switch (id_field) {
  78     ENUM_CASE(ID);
  79     ENUM_CASE(PARENT_ID);
  80     ENUM_CASE(SERVER_PARENT_ID);
  81     case ID_FIELDS_END: break;
  82   }
  83   NOTREACHED();
  84   return "";
  85 }
  86
  87 const char* GetIndexedBitFieldString(IndexedBitField indexed_bit_field) {
  88   ASSERT_ENUM_BOUNDS(IS_UNSYNCED, IS_UNAPPLIED_UPDATE,
  89                      BIT_FIELDS_BEGIN, INDEXED_BIT_FIELDS_END - 1);
  90   switch (indexed_bit_field) {
  91     ENUM_CASE(IS_UNSYNCED);
  92     ENUM_CASE(IS_UNAPPLIED_UPDATE);
  93     case INDEXED_BIT_FIELDS_END: break;
  94   }
  95   NOTREACHED();
  96   return "";
  97 }
  98
  99 const char* GetIsDelFieldString(IsDelField is_del_field) {
 100   ASSERT_ENUM_BOUNDS(IS_DEL, IS_DEL,
 101                      INDEXED_BIT_FIELDS_END, IS_DIR - 1);
 102   switch (is_del_field) {
 103     ENUM_CASE(IS_DEL);
 104   }
 105   NOTREACHED();
 106   return "";
 107 }
 108
 109 const char* GetBitFieldString(BitField bit_field) {
 110   ASSERT_ENUM_BOUNDS(IS_DIR, SERVER_IS_DEL,
 111                      IS_DEL + 1, BIT_FIELDS_END - 1);
 112   switch (bit_field) {
 113     ENUM_CASE(IS_DIR);
 114     ENUM_CASE(SERVER_IS_DIR);
 115     ENUM_CASE(SERVER_IS_DEL);
 116     case BIT_FIELDS_END: break;
 117   }
 118   NOTREACHED();
 119   return "";
 120 }
 121
 122 const char* GetStringFieldString(StringField string_field) {
 123   ASSERT_ENUM_BOUNDS(NON_UNIQUE_NAME, UNIQUE_BOOKMARK_TAG,
 124                      STRING_FIELDS_BEGIN, STRING_FIELDS_END - 1);
 125   switch (string_field) {
 126     ENUM_CASE(NON_UNIQUE_NAME);
 127     ENUM_CASE(SERVER_NON_UNIQUE_NAME);
 128     ENUM_CASE(UNIQUE_SERVER_TAG);
 129     ENUM_CASE(UNIQUE_CLIENT_TAG);
 130     ENUM_CASE(UNIQUE_BOOKMARK_TAG);
 131     case STRING_FIELDS_END: break;
 132   }
 133   NOTREACHED();
 134   return "";
 135 }
 136
 137 const char* GetProtoFieldString(ProtoField proto_field) {
 138   ASSERT_ENUM_BOUNDS(SPECIFICS, BASE_SERVER_SPECIFICS,
 139                      PROTO_FIELDS_BEGIN, PROTO_FIELDS_END - 1);
 140   switch (proto_field) {
 141     ENUM_CASE(SPECIFICS);
 142     ENUM_CASE(SERVER_SPECIFICS);
 143     ENUM_CASE(BASE_SERVER_SPECIFICS);
 144     case PROTO_FIELDS_END: break;
 145   }
 146   NOTREACHED();
 147   return "";
 148 }
 149
 150 const char* GetUniquePositionFieldString(UniquePositionField position_field) {
 151   ASSERT_ENUM_BOUNDS(SERVER_UNIQUE_POSITION, UNIQUE_POSITION,
 152                      UNIQUE_POSITION_FIELDS_BEGIN,
 153                      UNIQUE_POSITION_FIELDS_END - 1);
 154   switch(position_field) {
 155     ENUM_CASE(SERVER_UNIQUE_POSITION);
 156     ENUM_CASE(UNIQUE_POSITION);
 157     case UNIQUE_POSITION_FIELDS_END: break;
 158   }
 159   NOTREACHED();
 160   return "";
 161 }
 162
 163 const char* GetAttachmentMetadataFieldString(
 164     AttachmentMetadataField attachment_metadata_field) {
 165   ASSERT_ENUM_BOUNDS(ATTACHMENT_METADATA,
 166                      SERVER_ATTACHMENT_METADATA,
 167                      ATTACHMENT_METADATA_FIELDS_BEGIN,
 168                      ATTACHMENT_METADATA_FIELDS_END - 1);
 169   switch(attachment_metadata_field) {
 170     ENUM_CASE(ATTACHMENT_METADATA);
 171     ENUM_CASE(SERVER_ATTACHMENT_METADATA);
 172     case ATTACHMENT_METADATA_FIELDS_END: break;
 173   }
 174   NOTREACHED();
 175   return "";
 176 }
 177
 178 const char* GetBitTempString(BitTemp bit_temp) {
 179   ASSERT_ENUM_BOUNDS(SYNCING, DIRTY_SYNC,
 180                      BIT_TEMPS_BEGIN, BIT_TEMPS_END - 1);
 181   switch (bit_temp) {
 182     ENUM_CASE(SYNCING);
 183     ENUM_CASE(DIRTY_SYNC);
 184     case BIT_TEMPS_END: break;
 185   }
 186   NOTREACHED();
 187   return "";
 188 }
 189
 190 #undef ENUM_CASE
 191 #undef ASSERT_ENUM_BOUNDS
 192
 193 }  // namespace syncable
 194 }  // namespace syncer