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| 1 // Copyright 2014 PDFium 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 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #include "xfa/src/fxfa/parser/xfa_script_resolveprocessor.h" | |
| 8 | |
| 9 #include "core/include/fxcrt/fx_ext.h" | |
| 10 #include "xfa/src/fxfa/fm2js/xfa_fm2jsapi.h" | |
| 11 #include "xfa/src/fxfa/parser/xfa_docdata.h" | |
| 12 #include "xfa/src/fxfa/parser/xfa_doclayout.h" | |
| 13 #include "xfa/src/fxfa/parser/xfa_document.h" | |
| 14 #include "xfa/src/fxfa/parser/xfa_localemgr.h" | |
| 15 #include "xfa/src/fxfa/parser/xfa_script_imp.h" | |
| 16 #include "xfa/src/fxfa/parser/xfa_script_nodehelper.h" | |
| 17 #include "xfa/src/fxfa/parser/xfa_object.h" | |
| 18 #include "xfa/src/fxfa/parser/xfa_parser.h" | |
| 19 #include "xfa/src/fxfa/parser/xfa_script.h" | |
| 20 #include "xfa/src/fxfa/parser/xfa_utils.h" | |
| 21 | |
| 22 CXFA_ResolveProcessor::CXFA_ResolveProcessor(void) | |
| 23 : m_pNodeHelper(NULL), m_iCurStart(0) { | |
| 24 m_pNodeHelper = new CXFA_NodeHelper; | |
| 25 } | |
| 26 CXFA_ResolveProcessor::~CXFA_ResolveProcessor(void) { | |
| 27 if (m_pNodeHelper) { | |
| 28 delete m_pNodeHelper; | |
| 29 m_pNodeHelper = NULL; | |
| 30 } | |
| 31 } | |
| 32 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes(CXFA_ResolveNodesData& rnd) { | |
| 33 if (rnd.m_CurNode == NULL) { | |
| 34 return -1; | |
| 35 } | |
| 36 if (!rnd.m_CurNode->IsNode()) { | |
| 37 if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) { | |
| 38 return XFA_ResolveNodes_ForAttributeRs(rnd.m_CurNode, rnd, rnd.m_wsName); | |
| 39 } | |
| 40 return 0; | |
| 41 } | |
| 42 if (rnd.m_dwStyles & XFA_RESOLVENODE_AnyChild) { | |
| 43 return XFA_ResolveNodes_AnyChild(rnd); | |
| 44 } | |
| 45 FX_WCHAR wch = rnd.m_wsName.GetAt(0); | |
| 46 switch (wch) { | |
| 47 case '$': | |
| 48 return XFA_ResolveNodes_Dollar(rnd); | |
| 49 case '!': | |
| 50 return XFA_ResolveNodes_Excalmatory(rnd); | |
| 51 case '#': | |
| 52 return XFA_ResolveNodes_NumberSign(rnd); | |
| 53 case '*': | |
| 54 return XFA_ResolveNodes_Asterisk(rnd); | |
| 55 case '.': | |
| 56 return XFA_ResolveNodes_AnyChild(rnd); | |
| 57 default: | |
| 58 break; | |
| 59 } | |
| 60 if (rnd.m_uHashName == XFA_HASHCODE_This && rnd.m_nLevel == 0) { | |
| 61 rnd.m_Nodes.Add(rnd.m_pSC->GetThisObject()); | |
| 62 return 1; | |
| 63 } else if (rnd.m_CurNode->GetClassID() == XFA_ELEMENT_Xfa) { | |
| 64 CXFA_Object* pObjNode = | |
| 65 rnd.m_pSC->GetDocument()->GetXFAObject(rnd.m_uHashName); | |
| 66 if (pObjNode) { | |
| 67 rnd.m_Nodes.Add(pObjNode); | |
| 68 } else if (rnd.m_uHashName == XFA_HASHCODE_Xfa) { | |
| 69 rnd.m_Nodes.Add(rnd.m_CurNode); | |
| 70 } else if ((rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) && | |
| 71 XFA_ResolveNodes_ForAttributeRs(rnd.m_CurNode, rnd, | |
| 72 rnd.m_wsName)) { | |
| 73 return 1; | |
| 74 } | |
| 75 if (rnd.m_Nodes.GetSize() > 0) { | |
| 76 XFA_ResolveNode_FilterCondition(rnd, rnd.m_wsCondition); | |
| 77 } | |
| 78 return rnd.m_Nodes.GetSize(); | |
| 79 } | |
| 80 int32_t nRet = XFA_ResolveNodes_Normal(rnd); | |
| 81 if (nRet < 1 && rnd.m_uHashName == XFA_HASHCODE_Xfa) { | |
| 82 rnd.m_Nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); | |
| 83 } | |
| 84 return rnd.m_Nodes.GetSize(); | |
| 85 } | |
| 86 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_AnyChild( | |
| 87 CXFA_ResolveNodesData& rnd) { | |
| 88 CFX_WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); | |
| 89 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 90 CXFA_Node* findNode = NULL; | |
| 91 CXFA_NodeArray siblings; | |
| 92 FX_BOOL bClassName = FALSE; | |
| 93 if (wsName.GetAt(0) == '#') { | |
| 94 bClassName = TRUE; | |
| 95 wsName = wsName.Right(wsName.GetLength() - 1); | |
| 96 } | |
| 97 findNode = m_pNodeHelper->XFA_ResolveNodes_GetOneChild(ToNode(rnd.m_CurNode), | |
| 98 wsName, bClassName); | |
| 99 if (findNode == NULL) { | |
| 100 return 0; | |
| 101 } | |
| 102 if (wsCondition.IsEmpty()) { | |
| 103 rnd.m_Nodes.Add(findNode); | |
| 104 return rnd.m_Nodes.GetSize(); | |
| 105 } | |
| 106 m_pNodeHelper->XFA_CountSiblings(findNode, XFA_LOGIC_Transparent, | |
| 107 (CXFA_NodeArray*)&rnd.m_Nodes, bClassName); | |
| 108 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 109 return rnd.m_Nodes.GetSize(); | |
| 110 } | |
| 111 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Dollar( | |
| 112 CXFA_ResolveNodesData& rnd) { | |
| 113 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 114 CFX_WideString wsName = rnd.m_wsName; | |
| 115 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 116 int32_t iNameLen = wsName.GetLength(); | |
| 117 if (iNameLen == 1) { | |
| 118 nodes.Add(rnd.m_CurNode); | |
| 119 return 1; | |
| 120 } | |
| 121 if (rnd.m_nLevel > 0) { | |
| 122 return -1; | |
| 123 } | |
| 124 FX_DWORD dwNameHash = | |
| 125 FX_HashCode_String_GetW((const FX_WCHAR*)wsName + 1, iNameLen - 1); | |
| 126 if (dwNameHash == XFA_HASHCODE_Xfa) { | |
| 127 nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); | |
| 128 } else { | |
| 129 CXFA_Object* pObjNode = rnd.m_pSC->GetDocument()->GetXFAObject(dwNameHash); | |
| 130 if (pObjNode) { | |
| 131 rnd.m_Nodes.Add(pObjNode); | |
| 132 } | |
| 133 } | |
| 134 if (rnd.m_Nodes.GetSize() > 0) { | |
| 135 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 136 } | |
| 137 return rnd.m_Nodes.GetSize(); | |
| 138 } | |
| 139 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Excalmatory( | |
| 140 CXFA_ResolveNodesData& rnd) { | |
| 141 if (rnd.m_nLevel > 0) { | |
| 142 return 0; | |
| 143 } | |
| 144 CXFA_Node* datasets = | |
| 145 ToNode(rnd.m_pSC->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets)); | |
| 146 if (!datasets) { | |
| 147 return 0; | |
| 148 } | |
| 149 CXFA_ResolveNodesData rndFind; | |
| 150 rndFind.m_pSC = rnd.m_pSC; | |
| 151 rndFind.m_CurNode = datasets; | |
| 152 rndFind.m_wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); | |
| 153 rndFind.m_uHashName = | |
| 154 FX_HashCode_String_GetW(rndFind.m_wsName, rndFind.m_wsName.GetLength()); | |
| 155 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 156 rndFind.m_dwStyles = XFA_RESOLVENODE_Children; | |
| 157 rndFind.m_wsCondition = rnd.m_wsCondition; | |
| 158 XFA_ResolveNodes(rndFind); | |
| 159 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 160 rnd.m_Nodes.Append(rndFind.m_Nodes); | |
| 161 rndFind.m_Nodes.RemoveAll(); | |
| 162 } | |
| 163 return rnd.m_Nodes.GetSize(); | |
| 164 } | |
| 165 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_NumberSign( | |
| 166 CXFA_ResolveNodesData& rnd) { | |
| 167 CFX_WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); | |
| 168 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 169 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 170 if (XFA_ResolveNodes_ForAttributeRs(curNode, rnd, wsName)) { | |
| 171 return 1; | |
| 172 } | |
| 173 CXFA_ResolveNodesData rndFind; | |
| 174 rndFind.m_pSC = rnd.m_pSC; | |
| 175 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 176 rndFind.m_dwStyles = rnd.m_dwStyles; | |
| 177 rndFind.m_dwStyles |= XFA_RESOLVENODE_TagName; | |
| 178 rndFind.m_dwStyles &= ~XFA_RESOLVENODE_Attributes; | |
| 179 rndFind.m_wsName = wsName; | |
| 180 rndFind.m_uHashName = | |
| 181 FX_HashCode_String_GetW(rndFind.m_wsName, rndFind.m_wsName.GetLength()); | |
| 182 rndFind.m_wsCondition = wsCondition; | |
| 183 rndFind.m_CurNode = curNode; | |
| 184 XFA_ResolveNodes_Normal(rndFind); | |
| 185 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 186 if (wsCondition.GetLength() == 0 && rndFind.m_Nodes.Find(curNode) >= 0) { | |
| 187 rnd.m_Nodes.Add(curNode); | |
| 188 } else { | |
| 189 rnd.m_Nodes.Append(rndFind.m_Nodes); | |
| 190 rndFind.m_Nodes.RemoveAll(); | |
| 191 } | |
| 192 } | |
| 193 return rnd.m_Nodes.GetSize(); | |
| 194 } | |
| 195 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_ForAttributeRs( | |
| 196 CXFA_Object* curNode, | |
| 197 CXFA_ResolveNodesData& rnd, | |
| 198 const CFX_WideStringC& strAttr) { | |
| 199 const XFA_SCRIPTATTRIBUTEINFO* lpScriptAttribute = | |
| 200 XFA_GetScriptAttributeByName(curNode->GetClassID(), strAttr); | |
| 201 if (lpScriptAttribute) { | |
| 202 rnd.m_pScriptAttribute = lpScriptAttribute; | |
| 203 rnd.m_Nodes.Add(curNode); | |
| 204 rnd.m_dwFlag = XFA_RESOVENODE_RSTYPE_Attribute; | |
| 205 return 1; | |
| 206 } | |
| 207 return 0; | |
| 208 } | |
| 209 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Normal( | |
| 210 CXFA_ResolveNodesData& rnd) { | |
| 211 if (rnd.m_nLevel > 32) { | |
| 212 return 0; | |
| 213 } | |
| 214 if (!rnd.m_CurNode->IsNode()) { | |
| 215 return 0; | |
| 216 } | |
| 217 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 218 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 219 int32_t nNum = nodes.GetSize(); | |
| 220 FX_DWORD dwStyles = rnd.m_dwStyles; | |
| 221 CFX_WideString& wsName = rnd.m_wsName; | |
| 222 uint32_t uNameHash = rnd.m_uHashName; | |
| 223 CFX_WideString& wsCondition = rnd.m_wsCondition; | |
| 224 CXFA_ResolveNodesData rndFind; | |
| 225 rndFind.m_wsName = rnd.m_wsName; | |
| 226 rndFind.m_wsCondition = rnd.m_wsCondition; | |
| 227 rndFind.m_pSC = rnd.m_pSC; | |
| 228 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 229 rndFind.m_uHashName = uNameHash; | |
| 230 CXFA_NodeArray children; | |
| 231 CXFA_NodeArray properties; | |
| 232 CXFA_Node* pVariablesNode = NULL; | |
| 233 CXFA_Node* pPageSetNode = NULL; | |
| 234 CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild); | |
| 235 while (pChild) { | |
| 236 if (pChild->GetClassID() == XFA_ELEMENT_Variables) { | |
| 237 pVariablesNode = pChild; | |
| 238 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 239 continue; | |
| 240 } else if (pChild->GetClassID() == XFA_ELEMENT_PageSet) { | |
| 241 pPageSetNode = pChild; | |
| 242 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 243 continue; | |
| 244 } else { | |
| 245 const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( | |
| 246 curNode->GetClassID(), pChild->GetClassID(), XFA_XDPPACKET_UNKNOWN); | |
| 247 if (pPropert) { | |
| 248 properties.Add(pChild); | |
| 249 } else { | |
| 250 children.Add(pChild); | |
| 251 } | |
| 252 } | |
| 253 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 254 } | |
| 255 if ((dwStyles & XFA_RESOLVENODE_Properties) && pVariablesNode) { | |
| 256 uint32_t uPropHash = pVariablesNode->GetClassHashCode(); | |
| 257 if (uPropHash == uNameHash) { | |
| 258 nodes.Add(pVariablesNode); | |
| 259 } else { | |
| 260 rndFind.m_CurNode = pVariablesNode; | |
| 261 XFA_ResolveNodes_SetStylesForChild(dwStyles, rndFind); | |
| 262 CFX_WideString wsSaveCondition = rndFind.m_wsCondition; | |
| 263 rndFind.m_wsCondition.Empty(); | |
| 264 XFA_ResolveNodes_Normal(rndFind); | |
| 265 rndFind.m_wsCondition = wsSaveCondition; | |
| 266 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 267 nodes.Append(rndFind.m_Nodes); | |
| 268 rndFind.m_Nodes.RemoveAll(); | |
| 269 } | |
| 270 } | |
| 271 if (nodes.GetSize() > nNum) { | |
| 272 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 273 if (nodes.GetSize() > 0) { | |
| 274 return 1; | |
| 275 } | |
| 276 return 0; | |
| 277 } | |
| 278 } | |
| 279 if (dwStyles & XFA_RESOLVENODE_Children) { | |
| 280 FX_BOOL bSetFlag = FALSE; | |
| 281 if (pPageSetNode && (dwStyles & XFA_RESOLVENODE_Properties)) { | |
| 282 children.Add(pPageSetNode); | |
| 283 } | |
| 284 for (int32_t i = 0; i < children.GetSize(); i++) { | |
| 285 CXFA_Node* child = children[i]; | |
| 286 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 287 if (child->GetClassHashCode() == uNameHash) { | |
| 288 nodes.Add(child); | |
| 289 } | |
| 290 } else if (child->GetNameHash() == uNameHash) { | |
| 291 nodes.Add(child); | |
| 292 } | |
| 293 if (m_pNodeHelper->XFA_NodeIsTransparent(child) && | |
| 294 child->GetClassID() != XFA_ELEMENT_PageSet) { | |
| 295 if (!bSetFlag) { | |
| 296 XFA_ResolveNodes_SetStylesForChild(dwStyles, rndFind); | |
| 297 bSetFlag = TRUE; | |
| 298 } | |
| 299 rndFind.m_CurNode = child; | |
| 300 CFX_WideString wsSaveCondition = rndFind.m_wsCondition; | |
| 301 rndFind.m_wsCondition.Empty(); | |
| 302 XFA_ResolveNodes_Normal(rndFind); | |
| 303 rndFind.m_wsCondition = wsSaveCondition; | |
| 304 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 305 nodes.Append(rndFind.m_Nodes); | |
| 306 rndFind.m_Nodes.RemoveAll(); | |
| 307 } | |
| 308 } | |
| 309 } | |
| 310 if (nodes.GetSize() > nNum) { | |
| 311 if (!(dwStyles & XFA_RESOLVENODE_ALL)) { | |
| 312 CXFA_NodeArray upArrayNodes; | |
| 313 if (m_pNodeHelper->XFA_NodeIsTransparent(ToNode(curNode))) { | |
| 314 m_pNodeHelper->XFA_CountSiblings( | |
| 315 ToNode(nodes[0]), XFA_LOGIC_Transparent, &upArrayNodes, | |
| 316 !!(dwStyles & XFA_RESOLVENODE_TagName)); | |
| 317 } | |
| 318 if (upArrayNodes.GetSize() > nodes.GetSize()) { | |
| 319 upArrayNodes[0] = ToNode(nodes[0]); | |
| 320 nodes.RemoveAll(); | |
| 321 nodes.Append((CXFA_ObjArray&)upArrayNodes); | |
| 322 upArrayNodes.RemoveAll(); | |
| 323 } | |
| 324 } | |
| 325 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 326 if (nodes.GetSize() > 0) { | |
| 327 return 1; | |
| 328 } | |
| 329 return 0; | |
| 330 } | |
| 331 } | |
| 332 if (dwStyles & XFA_RESOLVENODE_Attributes) { | |
| 333 if (XFA_ResolveNodes_ForAttributeRs(curNode, rnd, wsName)) { | |
| 334 return 1; | |
| 335 } | |
| 336 } | |
| 337 if (dwStyles & XFA_RESOLVENODE_Properties) { | |
| 338 for (int32_t i = 0; i < properties.GetSize(); i++) { | |
| 339 CXFA_Node* childProperty = properties[i]; | |
| 340 if (childProperty->IsUnnamed()) { | |
| 341 uint32_t uPropHash = childProperty->GetClassHashCode(); | |
| 342 if (uPropHash == uNameHash) { | |
| 343 nodes.Add(childProperty); | |
| 344 } | |
| 345 } else if (childProperty->GetNameHash() == uNameHash && | |
| 346 childProperty->GetClassID() != XFA_ELEMENT_Extras && | |
| 347 childProperty->GetClassID() != XFA_ELEMENT_Items) { | |
| 348 nodes.Add(childProperty); | |
| 349 } | |
| 350 } | |
| 351 if (nodes.GetSize() > nNum) { | |
| 352 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 353 if (nodes.GetSize() > 0) { | |
| 354 return 1; | |
| 355 } | |
| 356 return 0; | |
| 357 } | |
| 358 CXFA_Node* pProp = NULL; | |
| 359 if (XFA_ELEMENT_Subform == curNode->GetClassID() && | |
| 360 XFA_HASHCODE_Occur == uNameHash) { | |
| 361 CXFA_Node* pInstanceManager = | |
| 362 curNode->AsNode()->GetInstanceMgrOfSubform(); | |
| 363 if (pInstanceManager) { | |
| 364 pProp = pInstanceManager->GetProperty(0, XFA_ELEMENT_Occur, TRUE); | |
| 365 } | |
| 366 } else { | |
| 367 const XFA_ELEMENTINFO* pElement = XFA_GetElementByName(wsName); | |
| 368 if (pElement) { | |
| 369 pProp = curNode->AsNode()->GetProperty( | |
| 370 0, pElement->eName, pElement->eName != XFA_ELEMENT_PageSet); | |
| 371 } | |
| 372 } | |
| 373 if (pProp) { | |
| 374 nodes.Add(pProp); | |
| 375 return nodes.GetSize(); | |
| 376 } | |
| 377 } | |
| 378 CXFA_Node* parentNode = m_pNodeHelper->XFA_ResolveNodes_GetParent( | |
| 379 curNode->AsNode(), XFA_LOGIC_NoTransparent); | |
| 380 uint32_t uCurClassHash = curNode->GetClassHashCode(); | |
| 381 if (!parentNode) { | |
| 382 if (uCurClassHash == uNameHash) { | |
| 383 nodes.Add(curNode->AsNode()); | |
| 384 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 385 if (nodes.GetSize() > 0) { | |
| 386 return 1; | |
| 387 } | |
| 388 } | |
| 389 return 0; | |
| 390 } | |
| 391 if (dwStyles & XFA_RESOLVENODE_Siblings) { | |
| 392 CXFA_Node* child = parentNode->GetNodeItem(XFA_NODEITEM_FirstChild); | |
| 393 FX_DWORD dwSubStyles = | |
| 394 XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties; | |
| 395 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 396 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 397 } | |
| 398 if (dwStyles & XFA_RESOLVENODE_ALL) { | |
| 399 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 400 } | |
| 401 rndFind.m_dwStyles = dwSubStyles; | |
| 402 while (child) { | |
| 403 if (child == curNode) { | |
| 404 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 405 if (uCurClassHash == uNameHash) { | |
| 406 nodes.Add(curNode); | |
| 407 } | |
| 408 } else { | |
| 409 if (child->GetNameHash() == uNameHash) { | |
| 410 nodes.Add(curNode); | |
| 411 if (rnd.m_nLevel == 0 && wsCondition.GetLength() == 0) { | |
| 412 nodes.RemoveAll(); | |
| 413 nodes.Add(curNode); | |
| 414 return 1; | |
| 415 } | |
| 416 } | |
| 417 } | |
| 418 child = child->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 419 continue; | |
| 420 } | |
| 421 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 422 if (child->GetClassHashCode() == uNameHash) { | |
| 423 nodes.Add(child); | |
| 424 } | |
| 425 } else if (child->GetNameHash() == uNameHash) { | |
| 426 nodes.Add(child); | |
| 427 } | |
| 428 const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( | |
| 429 parentNode->GetClassID(), child->GetClassID(), XFA_XDPPACKET_UNKNOWN); | |
| 430 FX_BOOL bInnerSearch = FALSE; | |
| 431 if (pPropert) { | |
| 432 if ((child->GetClassID() == XFA_ELEMENT_Variables || | |
| 433 child->GetClassID() == XFA_ELEMENT_PageSet)) { | |
| 434 bInnerSearch = TRUE; | |
| 435 } | |
| 436 } else { | |
| 437 if (m_pNodeHelper->XFA_NodeIsTransparent(child)) { | |
| 438 bInnerSearch = TRUE; | |
| 439 } | |
| 440 } | |
| 441 if (bInnerSearch) { | |
| 442 rndFind.m_CurNode = child; | |
| 443 CFX_WideString wsOriginCondition = rndFind.m_wsCondition; | |
| 444 rndFind.m_wsCondition.Empty(); | |
| 445 FX_DWORD dwOriginStyle = rndFind.m_dwStyles; | |
| 446 rndFind.m_dwStyles = dwOriginStyle | XFA_RESOLVENODE_ALL; | |
| 447 XFA_ResolveNodes_Normal(rndFind); | |
| 448 rndFind.m_dwStyles = dwOriginStyle; | |
| 449 rndFind.m_wsCondition = wsOriginCondition; | |
| 450 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 451 nodes.Append(rndFind.m_Nodes); | |
| 452 rndFind.m_Nodes.RemoveAll(); | |
| 453 } | |
| 454 } | |
| 455 child = child->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 456 } | |
| 457 if (nodes.GetSize() > nNum) { | |
| 458 if (m_pNodeHelper->XFA_NodeIsTransparent(parentNode)) { | |
| 459 CXFA_NodeArray upArrayNodes; | |
| 460 m_pNodeHelper->XFA_CountSiblings( | |
| 461 ToNode(nodes[0]), XFA_LOGIC_Transparent, &upArrayNodes, | |
| 462 !!(dwStyles & XFA_RESOLVENODE_TagName)); | |
| 463 if (upArrayNodes.GetSize() > nodes.GetSize()) { | |
| 464 upArrayNodes[0] = ToNode(nodes[0]); | |
| 465 nodes.RemoveAll(); | |
| 466 nodes.Append((CXFA_ObjArray&)upArrayNodes); | |
| 467 upArrayNodes.RemoveAll(); | |
| 468 } | |
| 469 } | |
| 470 XFA_ResolveNode_FilterCondition(rnd, wsCondition); | |
| 471 if (nodes.GetSize() > 0) { | |
| 472 return 1; | |
| 473 } | |
| 474 return 0; | |
| 475 } | |
| 476 } | |
| 477 if (dwStyles & XFA_RESOLVENODE_Parent) { | |
| 478 FX_DWORD dwSubStyles = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent | | |
| 479 XFA_RESOLVENODE_Properties; | |
| 480 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 481 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 482 } | |
| 483 if (dwStyles & XFA_RESOLVENODE_ALL) { | |
| 484 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 485 } | |
| 486 rndFind.m_dwStyles = dwSubStyles; | |
| 487 rndFind.m_CurNode = parentNode; | |
| 488 CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); | |
| 489 array.Add(parentNode); | |
| 490 XFA_ResolveNodes_Normal(rndFind); | |
| 491 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 492 nodes.Append(rndFind.m_Nodes); | |
| 493 rndFind.m_Nodes.RemoveAll(); | |
| 494 } | |
| 495 if (nodes.GetSize() > nNum) { | |
| 496 return 1; | |
| 497 } | |
| 498 } | |
| 499 return 0; | |
| 500 } | |
| 501 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_Asterisk( | |
| 502 CXFA_ResolveNodesData& rnd) { | |
| 503 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 504 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 505 CXFA_NodeArray array; | |
| 506 curNode->GetNodeList(array, | |
| 507 XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties); | |
| 508 nodes.Append((CXFA_ObjArray&)array); | |
| 509 return nodes.GetSize(); | |
| 510 } | |
| 511 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_PopStack( | |
| 512 CFX_Int32Array& stack) { | |
| 513 int32_t nType = -1; | |
| 514 int32_t iSize = stack.GetSize() - 1; | |
| 515 if (iSize > -1) { | |
| 516 nType = stack[iSize]; | |
| 517 stack.RemoveAt(iSize, 1); | |
| 518 } | |
| 519 return nType; | |
| 520 } | |
| 521 int32_t CXFA_ResolveProcessor::XFA_ResolveNodes_GetFilter( | |
| 522 const CFX_WideStringC& wsExpression, | |
| 523 int32_t nStart, | |
| 524 CXFA_ResolveNodesData& rnd) { | |
| 525 FXSYS_assert(nStart > -1); | |
| 526 int32_t iLength = wsExpression.GetLength(); | |
| 527 if (nStart >= iLength) { | |
| 528 return 0; | |
| 529 } | |
| 530 CFX_WideString& wsName = rnd.m_wsName; | |
| 531 CFX_WideString& wsCondition = rnd.m_wsCondition; | |
| 532 FX_WCHAR* pNameBuf = wsName.GetBuffer(iLength - nStart); | |
| 533 FX_WCHAR* pConditionBuf = wsCondition.GetBuffer(iLength - nStart); | |
| 534 int32_t nNameCount = 0; | |
| 535 int32_t nConditionCount = 0; | |
| 536 CFX_Int32Array stack; | |
| 537 int32_t nType = -1; | |
| 538 const FX_WCHAR* pSrc = wsExpression.GetPtr(); | |
| 539 FX_WCHAR wPrev = 0, wCur; | |
| 540 FX_BOOL bIsCondition = FALSE; | |
| 541 while (nStart < iLength) { | |
| 542 wCur = pSrc[nStart++]; | |
| 543 if (wCur == '.') { | |
| 544 if (wPrev == '\\') { | |
| 545 pNameBuf[nNameCount - 1] = wPrev = '.'; | |
| 546 continue; | |
| 547 } | |
| 548 if (nNameCount == 0) { | |
| 549 pNameBuf[nNameCount++] = wCur; | |
| 550 continue; | |
| 551 } | |
| 552 FX_WCHAR wLookahead = nStart < iLength ? pSrc[nStart] : 0; | |
| 553 if (wLookahead != '[' && wLookahead != '(') { | |
| 554 if (nType < 0) { | |
| 555 break; | |
| 556 } | |
| 557 } | |
| 558 } | |
| 559 if (wCur == '[' || wCur == '(') { | |
| 560 bIsCondition = TRUE; | |
| 561 } else if (wCur == '.' && nStart < iLength && | |
| 562 (pSrc[nStart] == '[' || pSrc[nStart] == '(')) { | |
| 563 bIsCondition = TRUE; | |
| 564 } | |
| 565 if (bIsCondition) { | |
| 566 pConditionBuf[nConditionCount++] = wCur; | |
| 567 } else { | |
| 568 pNameBuf[nNameCount++] = wCur; | |
| 569 } | |
| 570 FX_BOOL bRecursive = TRUE; | |
| 571 switch (nType) { | |
| 572 case 0: | |
| 573 if (wCur == ']') { | |
| 574 nType = XFA_ResolveNodes_PopStack(stack); | |
| 575 bRecursive = FALSE; | |
| 576 } | |
| 577 break; | |
| 578 case 1: | |
| 579 if (wCur == ')') { | |
| 580 nType = XFA_ResolveNodes_PopStack(stack); | |
| 581 bRecursive = FALSE; | |
| 582 } | |
| 583 break; | |
| 584 case 2: | |
| 585 if (wCur == '"') { | |
| 586 nType = XFA_ResolveNodes_PopStack(stack); | |
| 587 bRecursive = FALSE; | |
| 588 } | |
| 589 break; | |
| 590 } | |
| 591 if (bRecursive) { | |
| 592 switch (wCur) { | |
| 593 case '[': | |
| 594 stack.Add(nType); | |
| 595 nType = 0; | |
| 596 break; | |
| 597 case '(': | |
| 598 stack.Add(nType); | |
| 599 nType = 1; | |
| 600 break; | |
| 601 case '"': | |
| 602 stack.Add(nType); | |
| 603 nType = 2; | |
| 604 break; | |
| 605 } | |
| 606 } | |
| 607 wPrev = wCur; | |
| 608 } | |
| 609 if (stack.GetSize() > 0) { | |
| 610 return -1; | |
| 611 } | |
| 612 wsName.ReleaseBuffer(nNameCount); | |
| 613 wsName.TrimLeft(); | |
| 614 wsName.TrimRight(); | |
| 615 wsCondition.ReleaseBuffer(nConditionCount); | |
| 616 wsCondition.TrimLeft(); | |
| 617 wsCondition.TrimRight(); | |
| 618 rnd.m_uHashName = FX_HashCode_String_GetW(wsName, wsName.GetLength()); | |
| 619 return nStart; | |
| 620 } | |
| 621 void CXFA_ResolveProcessor::XFA_ResolveNode_ConditionArray( | |
| 622 int32_t iCurIndex, | |
| 623 CFX_WideString wsCondition, | |
| 624 int32_t iFoundCount, | |
| 625 CXFA_ResolveNodesData& rnd) { | |
| 626 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 627 int32_t iLen = wsCondition.GetLength(); | |
| 628 FX_BOOL bRelative = FALSE; | |
| 629 FX_BOOL bAll = FALSE; | |
| 630 int32_t i = 1; | |
| 631 for (; i < iLen; ++i) { | |
| 632 FX_WCHAR ch = wsCondition[i]; | |
| 633 if (ch == ' ') { | |
| 634 continue; | |
| 635 } | |
| 636 if (ch == '+' || ch == '-') { | |
| 637 bRelative = TRUE; | |
| 638 break; | |
| 639 } else if (ch == '*') { | |
| 640 bAll = TRUE; | |
| 641 break; | |
| 642 } else { | |
| 643 break; | |
| 644 } | |
| 645 } | |
| 646 if (bAll) { | |
| 647 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 648 if (rnd.m_dwStyles & XFA_RESOLVENODE_Bind) { | |
| 649 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 650 m_pNodeHelper->m_iCreateCount = 1; | |
| 651 findNodes.RemoveAll(); | |
| 652 m_pNodeHelper->m_iCurAllStart = -1; | |
| 653 m_pNodeHelper->m_pAllStartParent = NULL; | |
| 654 } else { | |
| 655 if (m_pNodeHelper->m_iCurAllStart == -1) { | |
| 656 m_pNodeHelper->m_iCurAllStart = m_iCurStart; | |
| 657 m_pNodeHelper->m_pAllStartParent = ToNode(rnd.m_CurNode); | |
| 658 } | |
| 659 } | |
| 660 } else if (rnd.m_dwStyles & XFA_RESOLVENODE_BindNew) { | |
| 661 if (m_pNodeHelper->m_iCurAllStart == -1) { | |
| 662 m_pNodeHelper->m_iCurAllStart = m_iCurStart; | |
| 663 } | |
| 664 } | |
| 665 return; | |
| 666 } | |
| 667 if (iFoundCount == 1 && !iLen) { | |
| 668 return; | |
| 669 } | |
| 670 CFX_WideString wsIndex; | |
| 671 wsIndex = wsCondition.Mid(i, iLen - 1 - i); | |
| 672 int32_t iIndex = wsIndex.GetInteger(); | |
| 673 if (bRelative) { | |
| 674 iIndex += iCurIndex; | |
| 675 } | |
| 676 if (iFoundCount <= iIndex || iIndex < 0) { | |
| 677 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 678 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 679 m_pNodeHelper->m_iCreateCount = iIndex - iFoundCount + 1; | |
| 680 } | |
| 681 findNodes.RemoveAll(); | |
| 682 } else { | |
| 683 CXFA_Node* ret = findNodes[iIndex]; | |
| 684 findNodes.RemoveAll(); | |
| 685 findNodes.Add(ret); | |
| 686 } | |
| 687 } | |
| 688 void CXFA_ResolveProcessor::XFA_ResolveNode_DoPredicateFilter( | |
| 689 int32_t iCurIndex, | |
| 690 CFX_WideString wsCondition, | |
| 691 int32_t iFoundCount, | |
| 692 CXFA_ResolveNodesData& rnd) { | |
| 693 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 694 FXSYS_assert(iFoundCount == findNodes.GetSize()); | |
| 695 CFX_WideString wsExpression; | |
| 696 IXFA_ScriptContext* pContext = NULL; | |
| 697 XFA_SCRIPTLANGTYPE eLangType = XFA_SCRIPTLANGTYPE_Unkown; | |
| 698 if (wsCondition.Left(2) == FX_WSTRC(L".[") && | |
| 699 wsCondition.Right(1) == FX_WSTRC(L"]")) { | |
| 700 eLangType = XFA_SCRIPTLANGTYPE_Formcalc; | |
| 701 } else if (wsCondition.Left(2) == FX_WSTRC(L".(") && | |
| 702 wsCondition.Right(1) == FX_WSTRC(L")")) { | |
| 703 eLangType = XFA_SCRIPTLANGTYPE_Javascript; | |
| 704 } else { | |
| 705 return; | |
| 706 } | |
| 707 pContext = rnd.m_pSC; | |
| 708 wsExpression = wsCondition.Mid(2, wsCondition.GetLength() - 3); | |
| 709 for (int32_t i = iFoundCount - 1; i >= 0; i--) { | |
| 710 CXFA_Object* node = findNodes[i]; | |
| 711 FX_BOOL bRet = FALSE; | |
| 712 FXJSE_HVALUE pRetValue = FXJSE_Value_Create(rnd.m_pSC->GetRuntime()); | |
| 713 bRet = pContext->RunScript(eLangType, wsExpression, pRetValue, node); | |
| 714 if (!bRet || !FXJSE_Value_ToBoolean(pRetValue)) { | |
| 715 findNodes.RemoveAt(i); | |
| 716 } | |
| 717 FXJSE_Value_Release(pRetValue); | |
| 718 } | |
| 719 } | |
| 720 | |
| 721 void CXFA_ResolveProcessor::XFA_ResolveNode_FilterCondition( | |
| 722 CXFA_ResolveNodesData& rnd, | |
| 723 CFX_WideString wsCondition) { | |
| 724 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 725 int32_t iCurrIndex = 0; | |
| 726 const CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); | |
| 727 int32_t iSize = array.GetSize(); | |
| 728 if (iSize) { | |
| 729 CXFA_Node* curNode = array[iSize - 1]; | |
| 730 FX_BOOL bIsProperty = m_pNodeHelper->XFA_NodeIsProperty(curNode); | |
| 731 if (curNode->IsUnnamed() || | |
| 732 (bIsProperty && curNode->GetClassID() != XFA_ELEMENT_PageSet)) { | |
| 733 iCurrIndex = m_pNodeHelper->XFA_GetIndex(curNode, XFA_LOGIC_Transparent, | |
| 734 bIsProperty, TRUE); | |
| 735 } else { | |
| 736 iCurrIndex = m_pNodeHelper->XFA_GetIndex(curNode, XFA_LOGIC_Transparent, | |
| 737 bIsProperty, FALSE); | |
| 738 } | |
| 739 } | |
| 740 int32_t iFoundCount = findNodes.GetSize(); | |
| 741 wsCondition.TrimLeft(); | |
| 742 wsCondition.TrimRight(); | |
| 743 int32_t iLen = wsCondition.GetLength(); | |
| 744 if (!iLen) { | |
| 745 if (rnd.m_dwStyles & XFA_RESOLVENODE_ALL) { | |
| 746 return; | |
| 747 } | |
| 748 if (iFoundCount == 1) { | |
| 749 return; | |
| 750 } | |
| 751 if (iFoundCount <= iCurrIndex) { | |
| 752 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 753 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 754 m_pNodeHelper->m_iCreateCount = iCurrIndex - iFoundCount + 1; | |
| 755 } | |
| 756 findNodes.RemoveAll(); | |
| 757 return; | |
| 758 } else { | |
| 759 CXFA_Node* ret = findNodes[iCurrIndex]; | |
| 760 findNodes.RemoveAll(); | |
| 761 findNodes.Add(ret); | |
| 762 return; | |
| 763 } | |
| 764 } | |
| 765 FX_WCHAR wTypeChar = wsCondition[0]; | |
| 766 switch (wTypeChar) { | |
| 767 case '[': | |
| 768 XFA_ResolveNode_ConditionArray(iCurrIndex, wsCondition, iFoundCount, rnd); | |
| 769 return; | |
| 770 case '(': | |
| 771 return; | |
| 772 case '"': | |
| 773 return; | |
| 774 case '.': | |
| 775 if (iLen > 1 && (wsCondition[1] == '[' || wsCondition[1] == '(')) { | |
| 776 XFA_ResolveNode_DoPredicateFilter(iCurrIndex, wsCondition, iFoundCount, | |
| 777 rnd); | |
| 778 } | |
| 779 default: | |
| 780 return; | |
| 781 } | |
| 782 } | |
| 783 void CXFA_ResolveProcessor::XFA_ResolveNodes_SetStylesForChild( | |
| 784 FX_DWORD dwParentStyles, | |
| 785 CXFA_ResolveNodesData& rnd) { | |
| 786 FX_DWORD dwSubStyles = XFA_RESOLVENODE_Children; | |
| 787 if (dwParentStyles & XFA_RESOLVENODE_TagName) { | |
| 788 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 789 } | |
| 790 dwSubStyles &= ~XFA_RESOLVENODE_Parent; | |
| 791 dwSubStyles &= ~XFA_RESOLVENODE_Siblings; | |
| 792 dwSubStyles &= ~XFA_RESOLVENODE_Properties; | |
| 793 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 794 rnd.m_dwStyles = dwSubStyles; | |
| 795 } | |
| 796 int32_t CXFA_ResolveProcessor::XFA_ResolveNode_SetResultCreateNode( | |
| 797 XFA_RESOLVENODE_RS& resolveNodeRS, | |
| 798 CFX_WideString& wsLastCondition) { | |
| 799 if (m_pNodeHelper->m_pCreateParent) { | |
| 800 resolveNodeRS.nodes.Add(m_pNodeHelper->m_pCreateParent); | |
| 801 } else { | |
| 802 m_pNodeHelper->XFA_CreateNode_ForCondition(wsLastCondition); | |
| 803 } | |
| 804 resolveNodeRS.dwFlags = m_pNodeHelper->m_iCreateFlag; | |
| 805 if (resolveNodeRS.dwFlags == XFA_RESOLVENODE_RSTYPE_CreateNodeOne) { | |
| 806 if (m_pNodeHelper->m_iCurAllStart != -1) { | |
| 807 resolveNodeRS.dwFlags = XFA_RESOLVENODE_RSTYPE_CreateNodeMidAll; | |
| 808 } | |
| 809 } | |
| 810 return resolveNodeRS.nodes.GetSize(); | |
| 811 } | |
| 812 void CXFA_ResolveProcessor::XFA_ResolveNode_SetIndexDataBind( | |
| 813 CFX_WideString& wsNextCondition, | |
| 814 int32_t& iIndex, | |
| 815 int32_t iCount) { | |
| 816 if (m_pNodeHelper->XFA_CreateNode_ForCondition(wsNextCondition)) { | |
| 817 if (m_pNodeHelper->m_eLastCreateType == XFA_ELEMENT_DataGroup) { | |
| 818 iIndex = 0; | |
| 819 } else { | |
| 820 iIndex = iCount - 1; | |
| 821 } | |
| 822 } else { | |
| 823 iIndex = iCount - 1; | |
| 824 } | |
| 825 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1803723002:
Move xfa/src up to xfa/. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master