| 202 | } |
| 203 | |
| 204 | TiXmlNode* TiXmlNode::InsertBeforeChild(TiXmlNode* beforeThis, const TiXmlNode& addThis) |
| 205 | { |
| 206 | if (!beforeThis || beforeThis->parent != this) |
| 207 | { |
| 208 | return 0; |
| 209 | } |
| 210 | if (addThis.Type() == TiXmlNode::DOCUMENT) |
| 211 | { |
| 212 | if (GetDocument()) |
| 213 | GetDocument()->SetError(TIXML_ERROR_DOCUMENT_TOP_ONLY, 0, 0, TIXML_ENCODING_UNKNOWN); |
| 214 | return 0; |
| 215 | } |
| 216 | |
| 217 | TiXmlNode* node = addThis.Clone(); |
| 218 | if (!node) |
| 219 | return 0; |
| 220 | node->parent = this; |
| 221 | |
| 222 | node->next = beforeThis; |
| 223 | node->prev = beforeThis->prev; |
| 224 | if (beforeThis->prev) |
| 225 | { |
| 226 | beforeThis->prev->next = node; |
| 227 | } |
| 228 | else |
| 229 | { |
| 230 | assert(firstChild == beforeThis); |
| 231 | firstChild = node; |
| 232 | } |
| 233 | beforeThis->prev = node; |
| 234 | return node; |
| 235 | } |
| 236 | |
| 237 | TiXmlNode* TiXmlNode::InsertAfterChild(TiXmlNode* afterThis, const TiXmlNode& addThis) |
| 238 | { |