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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/fxfa/parser/xfa_script_resolveprocessor.h" | |
| 8 | |
| 9 #include "core/fxcrt/include/fx_ext.h" | |
| 10 #include "xfa/fxfa/parser/xfa_doclayout.h" | |
| 11 #include "xfa/fxfa/parser/xfa_document.h" | |
| 12 #include "xfa/fxfa/parser/xfa_localemgr.h" | |
| 13 #include "xfa/fxfa/parser/xfa_object.h" | |
| 14 #include "xfa/fxfa/parser/xfa_script.h" | |
| 15 #include "xfa/fxfa/parser/xfa_script_imp.h" | |
| 16 #include "xfa/fxfa/parser/xfa_script_nodehelper.h" | |
| 17 #include "xfa/fxfa/parser/xfa_utils.h" | |
| 18 | |
| 19 CXFA_ResolveProcessor::CXFA_ResolveProcessor() | |
| 20 : m_iCurStart(0), m_pNodeHelper(new CXFA_NodeHelper) {} | |
| 21 | |
| 22 CXFA_ResolveProcessor::~CXFA_ResolveProcessor() { | |
| 23 delete m_pNodeHelper; | |
| 24 } | |
| 25 | |
| 26 int32_t CXFA_ResolveProcessor::Resolve(CXFA_ResolveNodesData& rnd) { | |
| 27 if (!rnd.m_CurNode) { | |
| 28 return -1; | |
| 29 } | |
| 30 if (!rnd.m_CurNode->IsNode()) { | |
| 31 if (rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) { | |
| 32 return ResolveForAttributeRs(rnd.m_CurNode, rnd, | |
| 33 rnd.m_wsName.AsStringC()); | |
| 34 } | |
| 35 return 0; | |
| 36 } | |
| 37 if (rnd.m_dwStyles & XFA_RESOLVENODE_AnyChild) { | |
| 38 return ResolveAnyChild(rnd); | |
| 39 } | |
| 40 FX_WCHAR wch = rnd.m_wsName.GetAt(0); | |
| 41 switch (wch) { | |
| 42 case '$': | |
| 43 return ResolveDollar(rnd); | |
| 44 case '!': | |
| 45 return ResolveExcalmatory(rnd); | |
| 46 case '#': | |
| 47 return ResolveNumberSign(rnd); | |
| 48 case '*': | |
| 49 return ResolveAsterisk(rnd); | |
| 50 // TODO(dsinclair): We could probably remove this. | |
| 51 case '.': | |
| 52 return ResolveAnyChild(rnd); | |
| 53 default: | |
| 54 break; | |
| 55 } | |
| 56 if (rnd.m_uHashName == XFA_HASHCODE_This && rnd.m_nLevel == 0) { | |
| 57 rnd.m_Nodes.Add(rnd.m_pSC->GetThisObject()); | |
| 58 return 1; | |
| 59 } else if (rnd.m_CurNode->GetElementType() == XFA_Element::Xfa) { | |
| 60 CXFA_Object* pObjNode = | |
| 61 rnd.m_pSC->GetDocument()->GetXFAObject(rnd.m_uHashName); | |
| 62 if (pObjNode) { | |
| 63 rnd.m_Nodes.Add(pObjNode); | |
| 64 } else if (rnd.m_uHashName == XFA_HASHCODE_Xfa) { | |
| 65 rnd.m_Nodes.Add(rnd.m_CurNode); | |
| 66 } else if ((rnd.m_dwStyles & XFA_RESOLVENODE_Attributes) && | |
| 67 ResolveForAttributeRs(rnd.m_CurNode, rnd, | |
| 68 rnd.m_wsName.AsStringC())) { | |
| 69 return 1; | |
| 70 } | |
| 71 if (rnd.m_Nodes.GetSize() > 0) { | |
| 72 FilterCondition(rnd, rnd.m_wsCondition); | |
| 73 } | |
| 74 return rnd.m_Nodes.GetSize(); | |
| 75 } | |
| 76 int32_t nRet = ResolveNormal(rnd); | |
| 77 if (nRet < 1 && rnd.m_uHashName == XFA_HASHCODE_Xfa) { | |
| 78 rnd.m_Nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); | |
| 79 } | |
| 80 return rnd.m_Nodes.GetSize(); | |
| 81 } | |
| 82 int32_t CXFA_ResolveProcessor::ResolveAnyChild(CXFA_ResolveNodesData& rnd) { | |
| 83 CFX_WideString wsName = rnd.m_wsName; | |
| 84 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 85 CXFA_Node* findNode = nullptr; | |
| 86 CXFA_NodeArray siblings; | |
| 87 FX_BOOL bClassName = FALSE; | |
| 88 if (wsName.GetAt(0) == '#') { | |
| 89 bClassName = TRUE; | |
| 90 wsName = wsName.Right(wsName.GetLength() - 1); | |
| 91 } | |
| 92 findNode = m_pNodeHelper->ResolveNodes_GetOneChild( | |
| 93 ToNode(rnd.m_CurNode), wsName.c_str(), bClassName); | |
| 94 if (!findNode) { | |
| 95 return 0; | |
| 96 } | |
| 97 if (wsCondition.IsEmpty()) { | |
| 98 rnd.m_Nodes.Add(findNode); | |
| 99 return rnd.m_Nodes.GetSize(); | |
| 100 } | |
| 101 m_pNodeHelper->CountSiblings(findNode, XFA_LOGIC_Transparent, | |
| 102 (CXFA_NodeArray*)&rnd.m_Nodes, bClassName); | |
| 103 FilterCondition(rnd, wsCondition); | |
| 104 return rnd.m_Nodes.GetSize(); | |
| 105 } | |
| 106 int32_t CXFA_ResolveProcessor::ResolveDollar(CXFA_ResolveNodesData& rnd) { | |
| 107 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 108 CFX_WideString wsName = rnd.m_wsName; | |
| 109 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 110 int32_t iNameLen = wsName.GetLength(); | |
| 111 if (iNameLen == 1) { | |
| 112 nodes.Add(rnd.m_CurNode); | |
| 113 return 1; | |
| 114 } | |
| 115 if (rnd.m_nLevel > 0) { | |
| 116 return -1; | |
| 117 } | |
| 118 XFA_HashCode dwNameHash = static_cast<XFA_HashCode>(FX_HashCode_GetW( | |
| 119 CFX_WideStringC(wsName.c_str() + 1, iNameLen - 1), false)); | |
| 120 if (dwNameHash == XFA_HASHCODE_Xfa) { | |
| 121 nodes.Add(rnd.m_pSC->GetDocument()->GetRoot()); | |
| 122 } else { | |
| 123 CXFA_Object* pObjNode = rnd.m_pSC->GetDocument()->GetXFAObject(dwNameHash); | |
| 124 if (pObjNode) { | |
| 125 rnd.m_Nodes.Add(pObjNode); | |
| 126 } | |
| 127 } | |
| 128 if (rnd.m_Nodes.GetSize() > 0) { | |
| 129 FilterCondition(rnd, wsCondition); | |
| 130 } | |
| 131 return rnd.m_Nodes.GetSize(); | |
| 132 } | |
| 133 int32_t CXFA_ResolveProcessor::ResolveExcalmatory(CXFA_ResolveNodesData& rnd) { | |
| 134 if (rnd.m_nLevel > 0) { | |
| 135 return 0; | |
| 136 } | |
| 137 CXFA_Node* datasets = | |
| 138 ToNode(rnd.m_pSC->GetDocument()->GetXFAObject(XFA_HASHCODE_Datasets)); | |
| 139 if (!datasets) { | |
| 140 return 0; | |
| 141 } | |
| 142 CXFA_ResolveNodesData rndFind; | |
| 143 rndFind.m_pSC = rnd.m_pSC; | |
| 144 rndFind.m_CurNode = datasets; | |
| 145 rndFind.m_wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); | |
| 146 rndFind.m_uHashName = static_cast<XFA_HashCode>( | |
| 147 FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false)); | |
| 148 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 149 rndFind.m_dwStyles = XFA_RESOLVENODE_Children; | |
| 150 rndFind.m_wsCondition = rnd.m_wsCondition; | |
| 151 Resolve(rndFind); | |
| 152 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 153 rnd.m_Nodes.Append(rndFind.m_Nodes); | |
| 154 rndFind.m_Nodes.RemoveAll(); | |
| 155 } | |
| 156 return rnd.m_Nodes.GetSize(); | |
| 157 } | |
| 158 int32_t CXFA_ResolveProcessor::ResolveNumberSign(CXFA_ResolveNodesData& rnd) { | |
| 159 CFX_WideString wsName = rnd.m_wsName.Right(rnd.m_wsName.GetLength() - 1); | |
| 160 CFX_WideString wsCondition = rnd.m_wsCondition; | |
| 161 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 162 if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) { | |
| 163 return 1; | |
| 164 } | |
| 165 CXFA_ResolveNodesData rndFind; | |
| 166 rndFind.m_pSC = rnd.m_pSC; | |
| 167 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 168 rndFind.m_dwStyles = rnd.m_dwStyles; | |
| 169 rndFind.m_dwStyles |= XFA_RESOLVENODE_TagName; | |
| 170 rndFind.m_dwStyles &= ~XFA_RESOLVENODE_Attributes; | |
| 171 rndFind.m_wsName = wsName; | |
| 172 rndFind.m_uHashName = static_cast<XFA_HashCode>( | |
| 173 FX_HashCode_GetW(rndFind.m_wsName.AsStringC(), false)); | |
| 174 rndFind.m_wsCondition = wsCondition; | |
| 175 rndFind.m_CurNode = curNode; | |
| 176 ResolveNormal(rndFind); | |
| 177 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 178 if (wsCondition.GetLength() == 0 && rndFind.m_Nodes.Find(curNode) >= 0) { | |
| 179 rnd.m_Nodes.Add(curNode); | |
| 180 } else { | |
| 181 rnd.m_Nodes.Append(rndFind.m_Nodes); | |
| 182 rndFind.m_Nodes.RemoveAll(); | |
| 183 } | |
| 184 } | |
| 185 return rnd.m_Nodes.GetSize(); | |
| 186 } | |
| 187 int32_t CXFA_ResolveProcessor::ResolveForAttributeRs( | |
| 188 CXFA_Object* curNode, | |
| 189 CXFA_ResolveNodesData& rnd, | |
| 190 const CFX_WideStringC& strAttr) { | |
| 191 const XFA_SCRIPTATTRIBUTEINFO* lpScriptAttribute = | |
| 192 XFA_GetScriptAttributeByName(curNode->GetElementType(), strAttr); | |
| 193 if (lpScriptAttribute) { | |
| 194 rnd.m_pScriptAttribute = lpScriptAttribute; | |
| 195 rnd.m_Nodes.Add(curNode); | |
| 196 rnd.m_dwFlag = XFA_RESOVENODE_RSTYPE_Attribute; | |
| 197 return 1; | |
| 198 } | |
| 199 return 0; | |
| 200 } | |
| 201 int32_t CXFA_ResolveProcessor::ResolveNormal(CXFA_ResolveNodesData& rnd) { | |
| 202 if (rnd.m_nLevel > 32) { | |
| 203 return 0; | |
| 204 } | |
| 205 if (!rnd.m_CurNode->IsNode()) { | |
| 206 return 0; | |
| 207 } | |
| 208 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 209 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 210 int32_t nNum = nodes.GetSize(); | |
| 211 uint32_t dwStyles = rnd.m_dwStyles; | |
| 212 CFX_WideString& wsName = rnd.m_wsName; | |
| 213 XFA_HashCode uNameHash = rnd.m_uHashName; | |
| 214 CFX_WideString& wsCondition = rnd.m_wsCondition; | |
| 215 CXFA_ResolveNodesData rndFind; | |
| 216 rndFind.m_wsName = rnd.m_wsName; | |
| 217 rndFind.m_wsCondition = rnd.m_wsCondition; | |
| 218 rndFind.m_pSC = rnd.m_pSC; | |
| 219 rndFind.m_nLevel = rnd.m_nLevel + 1; | |
| 220 rndFind.m_uHashName = uNameHash; | |
| 221 CXFA_NodeArray children; | |
| 222 CXFA_NodeArray properties; | |
| 223 CXFA_Node* pVariablesNode = nullptr; | |
| 224 CXFA_Node* pPageSetNode = nullptr; | |
| 225 CXFA_Node* pChild = curNode->GetNodeItem(XFA_NODEITEM_FirstChild); | |
| 226 while (pChild) { | |
| 227 if (pChild->GetElementType() == XFA_Element::Variables) { | |
| 228 pVariablesNode = pChild; | |
| 229 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 230 continue; | |
| 231 } else if (pChild->GetElementType() == XFA_Element::PageSet) { | |
| 232 pPageSetNode = pChild; | |
| 233 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 234 continue; | |
| 235 } else { | |
| 236 const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( | |
| 237 curNode->GetElementType(), pChild->GetElementType(), | |
| 238 XFA_XDPPACKET_UNKNOWN); | |
| 239 if (pPropert) { | |
| 240 properties.Add(pChild); | |
| 241 } else { | |
| 242 children.Add(pChild); | |
| 243 } | |
| 244 } | |
| 245 pChild = pChild->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 246 } | |
| 247 if ((dwStyles & XFA_RESOLVENODE_Properties) && pVariablesNode) { | |
| 248 uint32_t uPropHash = pVariablesNode->GetClassHashCode(); | |
| 249 if (uPropHash == uNameHash) { | |
| 250 nodes.Add(pVariablesNode); | |
| 251 } else { | |
| 252 rndFind.m_CurNode = pVariablesNode; | |
| 253 SetStylesForChild(dwStyles, rndFind); | |
| 254 CFX_WideString wsSaveCondition = rndFind.m_wsCondition; | |
| 255 rndFind.m_wsCondition.clear(); | |
| 256 ResolveNormal(rndFind); | |
| 257 rndFind.m_wsCondition = wsSaveCondition; | |
| 258 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 259 nodes.Append(rndFind.m_Nodes); | |
| 260 rndFind.m_Nodes.RemoveAll(); | |
| 261 } | |
| 262 } | |
| 263 if (nodes.GetSize() > nNum) { | |
| 264 FilterCondition(rnd, wsCondition); | |
| 265 if (nodes.GetSize() > 0) { | |
| 266 return 1; | |
| 267 } | |
| 268 return 0; | |
| 269 } | |
| 270 } | |
| 271 if (dwStyles & XFA_RESOLVENODE_Children) { | |
| 272 FX_BOOL bSetFlag = FALSE; | |
| 273 if (pPageSetNode && (dwStyles & XFA_RESOLVENODE_Properties)) { | |
| 274 children.Add(pPageSetNode); | |
| 275 } | |
| 276 for (int32_t i = 0; i < children.GetSize(); i++) { | |
| 277 CXFA_Node* child = children[i]; | |
| 278 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 279 if (child->GetClassHashCode() == uNameHash) { | |
| 280 nodes.Add(child); | |
| 281 } | |
| 282 } else if (child->GetNameHash() == uNameHash) { | |
| 283 nodes.Add(child); | |
| 284 } | |
| 285 if (m_pNodeHelper->NodeIsTransparent(child) && | |
| 286 child->GetElementType() != XFA_Element::PageSet) { | |
| 287 if (!bSetFlag) { | |
| 288 SetStylesForChild(dwStyles, rndFind); | |
| 289 bSetFlag = TRUE; | |
| 290 } | |
| 291 rndFind.m_CurNode = child; | |
| 292 CFX_WideString wsSaveCondition = rndFind.m_wsCondition; | |
| 293 rndFind.m_wsCondition.clear(); | |
| 294 ResolveNormal(rndFind); | |
| 295 rndFind.m_wsCondition = wsSaveCondition; | |
| 296 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 297 nodes.Append(rndFind.m_Nodes); | |
| 298 rndFind.m_Nodes.RemoveAll(); | |
| 299 } | |
| 300 } | |
| 301 } | |
| 302 if (nodes.GetSize() > nNum) { | |
| 303 if (!(dwStyles & XFA_RESOLVENODE_ALL)) { | |
| 304 CXFA_NodeArray upArrayNodes; | |
| 305 if (m_pNodeHelper->NodeIsTransparent(ToNode(curNode))) { | |
| 306 m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent, | |
| 307 &upArrayNodes, | |
| 308 !!(dwStyles & XFA_RESOLVENODE_TagName)); | |
| 309 } | |
| 310 if (upArrayNodes.GetSize() > nodes.GetSize()) { | |
| 311 upArrayNodes[0] = ToNode(nodes[0]); | |
| 312 nodes.RemoveAll(); | |
| 313 nodes.Append((CXFA_ObjArray&)upArrayNodes); | |
| 314 upArrayNodes.RemoveAll(); | |
| 315 } | |
| 316 } | |
| 317 FilterCondition(rnd, wsCondition); | |
| 318 if (nodes.GetSize() > 0) { | |
| 319 return 1; | |
| 320 } | |
| 321 return 0; | |
| 322 } | |
| 323 } | |
| 324 if (dwStyles & XFA_RESOLVENODE_Attributes) { | |
| 325 if (ResolveForAttributeRs(curNode, rnd, wsName.AsStringC())) { | |
| 326 return 1; | |
| 327 } | |
| 328 } | |
| 329 if (dwStyles & XFA_RESOLVENODE_Properties) { | |
| 330 for (int32_t i = 0; i < properties.GetSize(); i++) { | |
| 331 CXFA_Node* childProperty = properties[i]; | |
| 332 if (childProperty->IsUnnamed()) { | |
| 333 uint32_t uPropHash = childProperty->GetClassHashCode(); | |
| 334 if (uPropHash == uNameHash) { | |
| 335 nodes.Add(childProperty); | |
| 336 } | |
| 337 } else if (childProperty->GetNameHash() == uNameHash && | |
| 338 childProperty->GetElementType() != XFA_Element::Extras && | |
| 339 childProperty->GetElementType() != XFA_Element::Items) { | |
| 340 nodes.Add(childProperty); | |
| 341 } | |
| 342 } | |
| 343 if (nodes.GetSize() > nNum) { | |
| 344 FilterCondition(rnd, wsCondition); | |
| 345 if (nodes.GetSize() > 0) { | |
| 346 return 1; | |
| 347 } | |
| 348 return 0; | |
| 349 } | |
| 350 CXFA_Node* pProp = nullptr; | |
| 351 if (XFA_Element::Subform == curNode->GetElementType() && | |
| 352 XFA_HASHCODE_Occur == uNameHash) { | |
| 353 CXFA_Node* pInstanceManager = | |
| 354 curNode->AsNode()->GetInstanceMgrOfSubform(); | |
| 355 if (pInstanceManager) { | |
| 356 pProp = pInstanceManager->GetProperty(0, XFA_Element::Occur, TRUE); | |
| 357 } | |
| 358 } else { | |
| 359 XFA_Element eType = XFA_GetElementTypeForName(wsName.AsStringC()); | |
| 360 if (eType != XFA_Element::Unknown) { | |
| 361 pProp = curNode->AsNode()->GetProperty(0, eType, | |
| 362 eType != XFA_Element::PageSet); | |
| 363 } | |
| 364 } | |
| 365 if (pProp) { | |
| 366 nodes.Add(pProp); | |
| 367 return nodes.GetSize(); | |
| 368 } | |
| 369 } | |
| 370 CXFA_Node* parentNode = m_pNodeHelper->ResolveNodes_GetParent( | |
| 371 curNode->AsNode(), XFA_LOGIC_NoTransparent); | |
| 372 uint32_t uCurClassHash = curNode->GetClassHashCode(); | |
| 373 if (!parentNode) { | |
| 374 if (uCurClassHash == uNameHash) { | |
| 375 nodes.Add(curNode->AsNode()); | |
| 376 FilterCondition(rnd, wsCondition); | |
| 377 if (nodes.GetSize() > 0) { | |
| 378 return 1; | |
| 379 } | |
| 380 } | |
| 381 return 0; | |
| 382 } | |
| 383 if (dwStyles & XFA_RESOLVENODE_Siblings) { | |
| 384 CXFA_Node* child = parentNode->GetNodeItem(XFA_NODEITEM_FirstChild); | |
| 385 uint32_t dwSubStyles = | |
| 386 XFA_RESOLVENODE_Children | XFA_RESOLVENODE_Properties; | |
| 387 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 388 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 389 } | |
| 390 if (dwStyles & XFA_RESOLVENODE_ALL) { | |
| 391 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 392 } | |
| 393 rndFind.m_dwStyles = dwSubStyles; | |
| 394 while (child) { | |
| 395 if (child == curNode) { | |
| 396 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 397 if (uCurClassHash == uNameHash) { | |
| 398 nodes.Add(curNode); | |
| 399 } | |
| 400 } else { | |
| 401 if (child->GetNameHash() == uNameHash) { | |
| 402 nodes.Add(curNode); | |
| 403 if (rnd.m_nLevel == 0 && wsCondition.GetLength() == 0) { | |
| 404 nodes.RemoveAll(); | |
| 405 nodes.Add(curNode); | |
| 406 return 1; | |
| 407 } | |
| 408 } | |
| 409 } | |
| 410 child = child->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 411 continue; | |
| 412 } | |
| 413 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 414 if (child->GetClassHashCode() == uNameHash) { | |
| 415 nodes.Add(child); | |
| 416 } | |
| 417 } else if (child->GetNameHash() == uNameHash) { | |
| 418 nodes.Add(child); | |
| 419 } | |
| 420 const XFA_PROPERTY* pPropert = XFA_GetPropertyOfElement( | |
| 421 parentNode->GetElementType(), child->GetElementType(), | |
| 422 XFA_XDPPACKET_UNKNOWN); | |
| 423 FX_BOOL bInnerSearch = FALSE; | |
| 424 if (pPropert) { | |
| 425 if ((child->GetElementType() == XFA_Element::Variables || | |
| 426 child->GetElementType() == XFA_Element::PageSet)) { | |
| 427 bInnerSearch = TRUE; | |
| 428 } | |
| 429 } else { | |
| 430 if (m_pNodeHelper->NodeIsTransparent(child)) { | |
| 431 bInnerSearch = TRUE; | |
| 432 } | |
| 433 } | |
| 434 if (bInnerSearch) { | |
| 435 rndFind.m_CurNode = child; | |
| 436 CFX_WideString wsOriginCondition = rndFind.m_wsCondition; | |
| 437 rndFind.m_wsCondition.clear(); | |
| 438 uint32_t dwOriginStyle = rndFind.m_dwStyles; | |
| 439 rndFind.m_dwStyles = dwOriginStyle | XFA_RESOLVENODE_ALL; | |
| 440 ResolveNormal(rndFind); | |
| 441 rndFind.m_dwStyles = dwOriginStyle; | |
| 442 rndFind.m_wsCondition = wsOriginCondition; | |
| 443 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 444 nodes.Append(rndFind.m_Nodes); | |
| 445 rndFind.m_Nodes.RemoveAll(); | |
| 446 } | |
| 447 } | |
| 448 child = child->GetNodeItem(XFA_NODEITEM_NextSibling); | |
| 449 } | |
| 450 if (nodes.GetSize() > nNum) { | |
| 451 if (m_pNodeHelper->NodeIsTransparent(parentNode)) { | |
| 452 CXFA_NodeArray upArrayNodes; | |
| 453 m_pNodeHelper->CountSiblings(ToNode(nodes[0]), XFA_LOGIC_Transparent, | |
| 454 &upArrayNodes, | |
| 455 !!(dwStyles & XFA_RESOLVENODE_TagName)); | |
| 456 if (upArrayNodes.GetSize() > nodes.GetSize()) { | |
| 457 upArrayNodes[0] = ToNode(nodes[0]); | |
| 458 nodes.RemoveAll(); | |
| 459 nodes.Append((CXFA_ObjArray&)upArrayNodes); | |
| 460 upArrayNodes.RemoveAll(); | |
| 461 } | |
| 462 } | |
| 463 FilterCondition(rnd, wsCondition); | |
| 464 if (nodes.GetSize() > 0) { | |
| 465 return 1; | |
| 466 } | |
| 467 return 0; | |
| 468 } | |
| 469 } | |
| 470 if (dwStyles & XFA_RESOLVENODE_Parent) { | |
| 471 uint32_t dwSubStyles = XFA_RESOLVENODE_Siblings | XFA_RESOLVENODE_Parent | | |
| 472 XFA_RESOLVENODE_Properties; | |
| 473 if (dwStyles & XFA_RESOLVENODE_TagName) { | |
| 474 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 475 } | |
| 476 if (dwStyles & XFA_RESOLVENODE_ALL) { | |
| 477 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 478 } | |
| 479 rndFind.m_dwStyles = dwSubStyles; | |
| 480 rndFind.m_CurNode = parentNode; | |
| 481 CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); | |
| 482 array.Add(parentNode); | |
| 483 ResolveNormal(rndFind); | |
| 484 if (rndFind.m_Nodes.GetSize() > 0) { | |
| 485 nodes.Append(rndFind.m_Nodes); | |
| 486 rndFind.m_Nodes.RemoveAll(); | |
| 487 } | |
| 488 if (nodes.GetSize() > nNum) { | |
| 489 return 1; | |
| 490 } | |
| 491 } | |
| 492 return 0; | |
| 493 } | |
| 494 int32_t CXFA_ResolveProcessor::ResolveAsterisk(CXFA_ResolveNodesData& rnd) { | |
| 495 CXFA_Node* curNode = ToNode(rnd.m_CurNode); | |
| 496 CXFA_ObjArray& nodes = rnd.m_Nodes; | |
| 497 CXFA_NodeArray array; | |
| 498 curNode->GetNodeList(array, | |
| 499 XFA_NODEFILTER_Children | XFA_NODEFILTER_Properties); | |
| 500 nodes.Append((CXFA_ObjArray&)array); | |
| 501 return nodes.GetSize(); | |
| 502 } | |
| 503 int32_t CXFA_ResolveProcessor::ResolvePopStack(CFX_Int32Array& stack) { | |
| 504 int32_t nType = -1; | |
| 505 int32_t iSize = stack.GetSize() - 1; | |
| 506 if (iSize > -1) { | |
| 507 nType = stack[iSize]; | |
| 508 stack.RemoveAt(iSize, 1); | |
| 509 } | |
| 510 return nType; | |
| 511 } | |
| 512 int32_t CXFA_ResolveProcessor::GetFilter(const CFX_WideStringC& wsExpression, | |
| 513 int32_t nStart, | |
| 514 CXFA_ResolveNodesData& rnd) { | |
| 515 ASSERT(nStart > -1); | |
| 516 int32_t iLength = wsExpression.GetLength(); | |
| 517 if (nStart >= iLength) { | |
| 518 return 0; | |
| 519 } | |
| 520 CFX_WideString& wsName = rnd.m_wsName; | |
| 521 CFX_WideString& wsCondition = rnd.m_wsCondition; | |
| 522 FX_WCHAR* pNameBuf = wsName.GetBuffer(iLength - nStart); | |
| 523 FX_WCHAR* pConditionBuf = wsCondition.GetBuffer(iLength - nStart); | |
| 524 int32_t nNameCount = 0; | |
| 525 int32_t nConditionCount = 0; | |
| 526 CFX_Int32Array stack; | |
| 527 int32_t nType = -1; | |
| 528 const FX_WCHAR* pSrc = wsExpression.c_str(); | |
| 529 FX_WCHAR wPrev = 0, wCur; | |
| 530 FX_BOOL bIsCondition = FALSE; | |
| 531 while (nStart < iLength) { | |
| 532 wCur = pSrc[nStart++]; | |
| 533 if (wCur == '.') { | |
| 534 if (wPrev == '\\') { | |
| 535 pNameBuf[nNameCount - 1] = wPrev = '.'; | |
| 536 continue; | |
| 537 } | |
| 538 if (nNameCount == 0) { | |
| 539 rnd.m_dwStyles |= XFA_RESOLVENODE_AnyChild; | |
| 540 continue; | |
| 541 } | |
| 542 FX_WCHAR wLookahead = nStart < iLength ? pSrc[nStart] : 0; | |
| 543 if (wLookahead != '[' && wLookahead != '(') { | |
| 544 if (nType < 0) { | |
| 545 break; | |
| 546 } | |
| 547 } | |
| 548 } | |
| 549 if (wCur == '[' || wCur == '(') { | |
| 550 bIsCondition = TRUE; | |
| 551 } else if (wCur == '.' && nStart < iLength && | |
| 552 (pSrc[nStart] == '[' || pSrc[nStart] == '(')) { | |
| 553 bIsCondition = TRUE; | |
| 554 } | |
| 555 if (bIsCondition) { | |
| 556 pConditionBuf[nConditionCount++] = wCur; | |
| 557 } else { | |
| 558 pNameBuf[nNameCount++] = wCur; | |
| 559 } | |
| 560 FX_BOOL bRecursive = TRUE; | |
| 561 switch (nType) { | |
| 562 case 0: | |
| 563 if (wCur == ']') { | |
| 564 nType = ResolvePopStack(stack); | |
| 565 bRecursive = FALSE; | |
| 566 } | |
| 567 break; | |
| 568 case 1: | |
| 569 if (wCur == ')') { | |
| 570 nType = ResolvePopStack(stack); | |
| 571 bRecursive = FALSE; | |
| 572 } | |
| 573 break; | |
| 574 case 2: | |
| 575 if (wCur == '"') { | |
| 576 nType = ResolvePopStack(stack); | |
| 577 bRecursive = FALSE; | |
| 578 } | |
| 579 break; | |
| 580 } | |
| 581 if (bRecursive) { | |
| 582 switch (wCur) { | |
| 583 case '[': | |
| 584 stack.Add(nType); | |
| 585 nType = 0; | |
| 586 break; | |
| 587 case '(': | |
| 588 stack.Add(nType); | |
| 589 nType = 1; | |
| 590 break; | |
| 591 case '"': | |
| 592 stack.Add(nType); | |
| 593 nType = 2; | |
| 594 break; | |
| 595 } | |
| 596 } | |
| 597 wPrev = wCur; | |
| 598 } | |
| 599 if (stack.GetSize() > 0) { | |
| 600 return -1; | |
| 601 } | |
| 602 wsName.ReleaseBuffer(nNameCount); | |
| 603 wsName.TrimLeft(); | |
| 604 wsName.TrimRight(); | |
| 605 wsCondition.ReleaseBuffer(nConditionCount); | |
| 606 wsCondition.TrimLeft(); | |
| 607 wsCondition.TrimRight(); | |
| 608 rnd.m_uHashName = | |
| 609 static_cast<XFA_HashCode>(FX_HashCode_GetW(wsName.AsStringC(), false)); | |
| 610 return nStart; | |
| 611 } | |
| 612 void CXFA_ResolveProcessor::ConditionArray(int32_t iCurIndex, | |
| 613 CFX_WideString wsCondition, | |
| 614 int32_t iFoundCount, | |
| 615 CXFA_ResolveNodesData& rnd) { | |
| 616 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 617 int32_t iLen = wsCondition.GetLength(); | |
| 618 FX_BOOL bRelative = FALSE; | |
| 619 FX_BOOL bAll = FALSE; | |
| 620 int32_t i = 1; | |
| 621 for (; i < iLen; ++i) { | |
| 622 FX_WCHAR ch = wsCondition[i]; | |
| 623 if (ch == ' ') { | |
| 624 continue; | |
| 625 } | |
| 626 if (ch == '+' || ch == '-') { | |
| 627 bRelative = TRUE; | |
| 628 break; | |
| 629 } else if (ch == '*') { | |
| 630 bAll = TRUE; | |
| 631 break; | |
| 632 } else { | |
| 633 break; | |
| 634 } | |
| 635 } | |
| 636 if (bAll) { | |
| 637 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 638 if (rnd.m_dwStyles & XFA_RESOLVENODE_Bind) { | |
| 639 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 640 m_pNodeHelper->m_iCreateCount = 1; | |
| 641 findNodes.RemoveAll(); | |
| 642 m_pNodeHelper->m_iCurAllStart = -1; | |
| 643 m_pNodeHelper->m_pAllStartParent = nullptr; | |
| 644 } else { | |
| 645 if (m_pNodeHelper->m_iCurAllStart == -1) { | |
| 646 m_pNodeHelper->m_iCurAllStart = m_iCurStart; | |
| 647 m_pNodeHelper->m_pAllStartParent = ToNode(rnd.m_CurNode); | |
| 648 } | |
| 649 } | |
| 650 } else if (rnd.m_dwStyles & XFA_RESOLVENODE_BindNew) { | |
| 651 if (m_pNodeHelper->m_iCurAllStart == -1) { | |
| 652 m_pNodeHelper->m_iCurAllStart = m_iCurStart; | |
| 653 } | |
| 654 } | |
| 655 return; | |
| 656 } | |
| 657 if (iFoundCount == 1 && !iLen) { | |
| 658 return; | |
| 659 } | |
| 660 CFX_WideString wsIndex; | |
| 661 wsIndex = wsCondition.Mid(i, iLen - 1 - i); | |
| 662 int32_t iIndex = wsIndex.GetInteger(); | |
| 663 if (bRelative) { | |
| 664 iIndex += iCurIndex; | |
| 665 } | |
| 666 if (iFoundCount <= iIndex || iIndex < 0) { | |
| 667 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 668 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 669 m_pNodeHelper->m_iCreateCount = iIndex - iFoundCount + 1; | |
| 670 } | |
| 671 findNodes.RemoveAll(); | |
| 672 } else { | |
| 673 CXFA_Node* ret = findNodes[iIndex]; | |
| 674 findNodes.RemoveAll(); | |
| 675 findNodes.Add(ret); | |
| 676 } | |
| 677 } | |
| 678 void CXFA_ResolveProcessor::DoPredicateFilter(int32_t iCurIndex, | |
| 679 CFX_WideString wsCondition, | |
| 680 int32_t iFoundCount, | |
| 681 CXFA_ResolveNodesData& rnd) { | |
| 682 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 683 ASSERT(iFoundCount == findNodes.GetSize()); | |
| 684 CFX_WideString wsExpression; | |
| 685 XFA_SCRIPTLANGTYPE eLangType = XFA_SCRIPTLANGTYPE_Unkown; | |
| 686 if (wsCondition.Left(2) == FX_WSTRC(L".[") && | |
| 687 wsCondition.Right(1) == FX_WSTRC(L"]")) { | |
| 688 eLangType = XFA_SCRIPTLANGTYPE_Formcalc; | |
| 689 } else if (wsCondition.Left(2) == FX_WSTRC(L".(") && | |
| 690 wsCondition.Right(1) == FX_WSTRC(L")")) { | |
| 691 eLangType = XFA_SCRIPTLANGTYPE_Javascript; | |
| 692 } else { | |
| 693 return; | |
| 694 } | |
| 695 | |
| 696 CXFA_ScriptContext* pContext = rnd.m_pSC; | |
| 697 wsExpression = wsCondition.Mid(2, wsCondition.GetLength() - 3); | |
| 698 for (int32_t i = iFoundCount - 1; i >= 0; i--) { | |
| 699 CXFA_Object* node = findNodes[i]; | |
| 700 FX_BOOL bRet = FALSE; | |
| 701 std::unique_ptr<CFXJSE_Value> pRetValue( | |
| 702 new CFXJSE_Value(rnd.m_pSC->GetRuntime())); | |
| 703 bRet = pContext->RunScript(eLangType, wsExpression.AsStringC(), | |
| 704 pRetValue.get(), node); | |
| 705 if (!bRet || !pRetValue->ToBoolean()) | |
| 706 findNodes.RemoveAt(i); | |
| 707 } | |
| 708 } | |
| 709 | |
| 710 void CXFA_ResolveProcessor::FilterCondition(CXFA_ResolveNodesData& rnd, | |
| 711 CFX_WideString wsCondition) { | |
| 712 CXFA_NodeArray& findNodes = (CXFA_NodeArray&)rnd.m_Nodes; | |
| 713 int32_t iCurrIndex = 0; | |
| 714 const CXFA_NodeArray& array = rnd.m_pSC->GetUpObjectArray(); | |
| 715 int32_t iSize = array.GetSize(); | |
| 716 if (iSize) { | |
| 717 CXFA_Node* curNode = array[iSize - 1]; | |
| 718 FX_BOOL bIsProperty = m_pNodeHelper->NodeIsProperty(curNode); | |
| 719 if (curNode->IsUnnamed() || | |
| 720 (bIsProperty && curNode->GetElementType() != XFA_Element::PageSet)) { | |
| 721 iCurrIndex = m_pNodeHelper->GetIndex(curNode, XFA_LOGIC_Transparent, | |
| 722 bIsProperty, TRUE); | |
| 723 } else { | |
| 724 iCurrIndex = m_pNodeHelper->GetIndex(curNode, XFA_LOGIC_Transparent, | |
| 725 bIsProperty, FALSE); | |
| 726 } | |
| 727 } | |
| 728 int32_t iFoundCount = findNodes.GetSize(); | |
| 729 wsCondition.TrimLeft(); | |
| 730 wsCondition.TrimRight(); | |
| 731 int32_t iLen = wsCondition.GetLength(); | |
| 732 if (!iLen) { | |
| 733 if (rnd.m_dwStyles & XFA_RESOLVENODE_ALL) { | |
| 734 return; | |
| 735 } | |
| 736 if (iFoundCount == 1) { | |
| 737 return; | |
| 738 } | |
| 739 if (iFoundCount <= iCurrIndex) { | |
| 740 if (rnd.m_dwStyles & XFA_RESOLVENODE_CreateNode) { | |
| 741 m_pNodeHelper->m_pCreateParent = ToNode(rnd.m_CurNode); | |
| 742 m_pNodeHelper->m_iCreateCount = iCurrIndex - iFoundCount + 1; | |
| 743 } | |
| 744 findNodes.RemoveAll(); | |
| 745 return; | |
| 746 } else { | |
| 747 CXFA_Node* ret = findNodes[iCurrIndex]; | |
| 748 findNodes.RemoveAll(); | |
| 749 findNodes.Add(ret); | |
| 750 return; | |
| 751 } | |
| 752 } | |
| 753 FX_WCHAR wTypeChar = wsCondition[0]; | |
| 754 switch (wTypeChar) { | |
| 755 case '[': | |
| 756 ConditionArray(iCurrIndex, wsCondition, iFoundCount, rnd); | |
| 757 return; | |
| 758 case '(': | |
| 759 return; | |
| 760 case '"': | |
| 761 return; | |
| 762 case '.': | |
| 763 if (iLen > 1 && (wsCondition[1] == '[' || wsCondition[1] == '(')) { | |
| 764 DoPredicateFilter(iCurrIndex, wsCondition, iFoundCount, rnd); | |
| 765 } | |
| 766 default: | |
| 767 return; | |
| 768 } | |
| 769 } | |
| 770 void CXFA_ResolveProcessor::SetStylesForChild(uint32_t dwParentStyles, | |
| 771 CXFA_ResolveNodesData& rnd) { | |
| 772 uint32_t dwSubStyles = XFA_RESOLVENODE_Children; | |
| 773 if (dwParentStyles & XFA_RESOLVENODE_TagName) { | |
| 774 dwSubStyles |= XFA_RESOLVENODE_TagName; | |
| 775 } | |
| 776 dwSubStyles &= ~XFA_RESOLVENODE_Parent; | |
| 777 dwSubStyles &= ~XFA_RESOLVENODE_Siblings; | |
| 778 dwSubStyles &= ~XFA_RESOLVENODE_Properties; | |
| 779 dwSubStyles |= XFA_RESOLVENODE_ALL; | |
| 780 rnd.m_dwStyles = dwSubStyles; | |
| 781 } | |
| 782 int32_t CXFA_ResolveProcessor::SetResultCreateNode( | |
| 783 XFA_RESOLVENODE_RS& resolveNodeRS, | |
| 784 CFX_WideString& wsLastCondition) { | |
| 785 if (m_pNodeHelper->m_pCreateParent) { | |
| 786 resolveNodeRS.nodes.Add(m_pNodeHelper->m_pCreateParent); | |
| 787 } else { | |
| 788 m_pNodeHelper->CreateNode_ForCondition(wsLastCondition); | |
| 789 } | |
| 790 resolveNodeRS.dwFlags = m_pNodeHelper->m_iCreateFlag; | |
| 791 if (resolveNodeRS.dwFlags == XFA_RESOLVENODE_RSTYPE_CreateNodeOne) { | |
| 792 if (m_pNodeHelper->m_iCurAllStart != -1) { | |
| 793 resolveNodeRS.dwFlags = XFA_RESOLVENODE_RSTYPE_CreateNodeMidAll; | |
| 794 } | |
| 795 } | |
| 796 return resolveNodeRS.nodes.GetSize(); | |
| 797 } | |
| 798 void CXFA_ResolveProcessor::SetIndexDataBind(CFX_WideString& wsNextCondition, | |
| 799 int32_t& iIndex, | |
| 800 int32_t iCount) { | |
| 801 if (m_pNodeHelper->CreateNode_ForCondition(wsNextCondition)) { | |
| 802 if (m_pNodeHelper->m_eLastCreateType == XFA_Element::DataGroup) { | |
| 803 iIndex = 0; | |
| 804 } else { | |
| 805 iIndex = iCount - 1; | |
| 806 } | |
| 807 } else { | |
| 808 iIndex = iCount - 1; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 CXFA_ResolveNodesData::CXFA_ResolveNodesData(CXFA_ScriptContext* pSC) | |
| 813 : m_pSC(pSC), | |
| 814 m_CurNode(nullptr), | |
| 815 m_wsName(), | |
| 816 m_uHashName(XFA_HASHCODE_None), | |
| 817 m_wsCondition(), | |
| 818 m_nLevel(0), | |
| 819 m_Nodes(), | |
| 820 m_dwStyles(XFA_RESOLVENODE_Children), | |
| 821 m_pScriptAttribute(nullptr), | |
| 822 m_dwFlag(XFA_RESOVENODE_RSTYPE_Nodes) {} | |
| 823 | |
| 824 CXFA_ResolveNodesData::~CXFA_ResolveNodesData() { | |
| 825 m_Nodes.RemoveAll(); | |
| 826 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2160343002:
Rename remaining xfa_script_* files. (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@rename_cscript