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1 /* | 1 /* |
2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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162 // or AtomicStrings as appropriate, using multiple typecast operators. | 162 // or AtomicStrings as appropriate, using multiple typecast operators. |
163 enum V8StringResourceMode { | 163 enum V8StringResourceMode { |
164 DefaultMode, | 164 DefaultMode, |
165 WithNullCheck, | 165 WithNullCheck, |
166 WithUndefinedOrNullCheck | 166 WithUndefinedOrNullCheck |
167 }; | 167 }; |
168 | 168 |
169 template <V8StringResourceMode Mode = DefaultMode> | 169 template <V8StringResourceMode Mode = DefaultMode> |
170 class V8StringResource { | 170 class V8StringResource { |
171 public: | 171 public: |
| 172 V8StringResource() |
| 173 : m_mode(Externalize) |
| 174 { |
| 175 } |
| 176 |
172 V8StringResource(v8::Handle<v8::Value> object) | 177 V8StringResource(v8::Handle<v8::Value> object) |
173 : m_v8Object(object) | 178 : m_v8Object(object) |
174 , m_mode(Externalize) | 179 , m_mode(Externalize) |
175 , m_string() | |
176 { | 180 { |
177 } | 181 } |
178 | 182 |
| 183 void operator=(v8::Handle<v8::Value> object) |
| 184 { |
| 185 m_v8Object = object; |
| 186 } |
| 187 |
179 bool prepare() | 188 bool prepare() |
180 { | 189 { |
181 if (m_v8Object.IsEmpty()) | 190 if (m_v8Object.IsEmpty()) |
182 return true; | 191 return true; |
183 | 192 |
184 if (!isValid()) { | 193 if (!isValid()) { |
185 setString(String()); | 194 setString(String()); |
186 return true; | 195 return true; |
187 } | 196 } |
188 | 197 |
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241 } | 250 } |
242 | 251 |
243 template<> inline bool V8StringResource<WithUndefinedOrNullCheck>::isValid() con
st | 252 template<> inline bool V8StringResource<WithUndefinedOrNullCheck>::isValid() con
st |
244 { | 253 { |
245 return !m_v8Object->IsNull() && !m_v8Object->IsUndefined(); | 254 return !m_v8Object->IsNull() && !m_v8Object->IsUndefined(); |
246 } | 255 } |
247 | 256 |
248 } // namespace WebCore | 257 } // namespace WebCore |
249 | 258 |
250 #endif // V8StringResource_h | 259 #endif // V8StringResource_h |
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